US5982760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for power adaptation control in closed-loop communications
Assignee: Qualcomm Inc
•
Filing: 1997-06-20
•
Granted: 1999-11-09
•
Expires: 2017-06-20
Abstract
Abstract The present invention provides a method and apparatus for providing improved power control in a closed-loop communication system. A base station monitors a quality of a feedback link between it and a mobile station under a variety of methods. When a quality of the feedback link becomes unacceptable, the base station and the mobile station enter into an alternative mode of operation, adjusting from a fast power control feedback mode (with a high bandwidth feedback channel and low power control delay), to a slow power control feedback mode (with a low bandwidth feedback channel or a long power control delay). The mobile station adjusts a rate or content of power control messages it feeds back to the base station under a variety of methods. Under this alternative mode, the mobile station increases a power of its feedback signals. Additionally, if the mobile station is in a soft handoff condition, it similarly increases a power of its feedback signals. If the base station determines that the received power control messages are unacceptable, the base station employs power control messages it receives from a base station controller.
Inventors
- 👤 Tao Chen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:17
CPC Classifications
H; H04; H04W; H04W52/00; H04W52/04; H04W52/06; H04W52/08; H04W52/18; H04W52/22; H04W52/228; H04B; H04B7/00; H04B7/005; H04W52/225
Claims Analysis
Total Claims: 148
Claim 1
Independent Claim
173 words
In a communication system having at least one base station and at least one user station, wherein a user of said user station transmits signals to and receives communication signals from said base station, a method for controlling transmission signal power in said communication system, the method comprising the steps of: at said user station, determining a quality of a current communication signal received from said base station; at said user station, transmitting power control messages to said base station over a feedback channel based on said step of determining a quality of a current communication signal; determining that a quality of said feedback channel is unacceptable; at said base station, transmitting a new communication signal at an adjusted power level based on said step of determining that a quality of said feedback channel is unacceptable; at said base station, transmitting a feedback control message to said user station; and at said user station, adjusting said transmission of said power control messages to said base station in response to said feedback control message.
Claim 2
Dependent Claim
173 words
In a communication system having at least one base station and at least one user station, wherein a user of said user station transmits signals to and receives communication signals from said base station, a method for controlling transmission signal power in said communication system, the method comprising the steps of: at said user station, determining a quality of a current communication signal received from said base station; at said user station, transmitting power control messages to said base station over a feedback channel based on said step of determining a quality of a current communication signal; determining that a quality of said feedback channel is unacceptable; at said base station, transmitting a new communication signal at an adjusted power level based on said step of determining that a quality of said feedback channel is unacceptable; at said base station, transmitting a feedback control message to said user station; and at said user station, adjusting said transmission of said power control messages to said base station in response to said feedback control message.
Claim 3
Dependent Claim
36 words
The method of claim 1 wherein the step of determining that a quality of said feedback channel is unacceptable includes the step of monitoring a quality of said power control messages transmitted by said user station.
Claim 4
Dependent Claim
71 words
The method of claim 1 wherein the step of transmitting power control messages to said base station includes the step of transmitting error detection bits with each of said power control messages, and wherein the step of determining that a quality of said feedback channel is unacceptable includes the steps of analyzing error detection bits of a current power control message, and determining that said current power control message is erroneous.
Claim 5
Dependent Claim
77 words
The method of claim 1 wherein the step of transmitting power control messages to said base station includes the step of transmitting error correction bits with each of said power control messages, and wherein the step of determining that a quality of said feedback channel is unacceptable includes the steps of: analyzing error correction bits of a current power control message, determining that said current power control message is erroneous, and correcting said current power control message.
Claim 6
Dependent Claim
118 words
The method of claim 1 wherein said communication system includes at least one base station controller coupled to said base station and to another base station, wherein the step of transmitting power control messages to said base station includes the step of transmitting said power control messages to said another base station, and wherein the step of determining that a quality of said feedback channel is unacceptable includes the steps of: receiving a previous power control message from said base station controller; comparing said previous power control message from said base station controller to a previous power control message received from said user station; and determining that said feedback channel is unacceptable based on said step of comparing.
Claim 7
Dependent Claim
37 words
The method of claim 1 wherein the step of transmitting a new communication signal at an adjusted power level includes the step of increasing a transmission power level of said new communication signal by a predetermined amount.
Claim 8
Dependent Claim
56 words
The method of claim 1 wherein the step of transmitting power control messages to said base station includes the step of transmitting said power control messages at a fast rate, and wherein the step of adjusting said transmission of said power control messages includes the step of transmitting said power control messages at a slow rate.
Claim 9
Dependent Claim
31 words
The method of claim 1 wherein the step of adjusting said transmission of said power control messages includes the step of repeating transmission of at least one previous power control message.
Claim 10
Dependent Claim
31 words
The method of claim 1 wherein the step of adjusting said transmission of said power control messages includes the step of transmitting said power control messages over an alternate feedback channel.
Claim 11
Dependent Claim
137 words
The method of claim 1 wherein said communication signal includes multiple frames, wherein the step of determining a quality of a current communication signal includes the step of determining a power level of a first number of windows of each frame; wherein the step of transmitting power control messages to said base station includes the step of transmitting power control messages corresponding to said power level of each of said first number of windows of each frame; and wherein the step of adjusting said transmission of said power control messages includes the steps of: determining a power level of a second number of windows of each frame, said second number being less than said first number, and transmitting power control messages corresponding to said power level of each of said second number of windows of each frame.
Claim 12
Dependent Claim
139 words
The method of claim 1 wherein said communication signal includes multiple frames, wherein the step of determining a quality of a current communication signal includes the step of determining a power level of a first set of windows of each frame; wherein the step of transmitting power control messages to said base station includes the step of transmitting power control messages corresponding to said power level of each of said first set of windows of each frame; and wherein the step of adjusting said transmission of said power control messages includes the steps of: determining a power level of a second set of windows of each frame, said second set having a greater duration than said first set, and transmitting power control messages corresponding to said power level of each of said second set of windows of each frame.
Claim 13
Dependent Claim
105 words
The method of claim 1 wherein said communication signal includes multiple frames, wherein the step of determining a quality of a current communication signal includes the steps of receiving multiple windows of each frame of said current communication signal and determining a power level of each window; wherein the step of transmitting power control messages to said base station includes the step of transmitting power control messages corresponding to said power level of each window; and wherein the step of adjusting said transmission of said power control messages includes the step of transmitting only a power control message corresponding a last window in each frame.
Claim 14
Dependent Claim
108 words
The method of claim 1 wherein said communication signal includes multiple frames, wherein the step of determining a quality of a current communication signal includes the steps of receiving multiple windows of each frame of said current communication signal and determining a power level of each window; wherein the step of transmitting power control messages to said base station includes the step of transmitting power control messages corresponding to said power level of each window; and wherein the step of adjusting said transmission of said power control messages includes the step of transmitting only an average power control message corresponding to an average power level of each frame.
Claim 15
Dependent Claim
110 words
The method of claim 1 wherein said communication signal includes multiple frames, wherein the step of determining a quality of a current communication signal includes the steps of receiving multiple windows of each frame of said current communication signal and determining a power level of each window; wherein the step of transmitting power control messages to said base station includes the step of transmitting power control messages corresponding to said power level of each window; and wherein the step of adjusting said transmission of said power control messages includes the step of transmitting only a weighted average power control message corresponding to a weighted average power level of each frame.
Claim 16
Dependent Claim
127 words
The method of claim 1 wherein said communication signal includes multiple frames, wherein the step of determining a quality of a current communication signal includes the steps of receiving multiple windows of each frame of said current communication signal and determining a power level of each window; wherein the step of transmitting power control messages to said base station includes the step of transmitting power control messages corresponding to said power level of each window; and wherein the step of adjusting said transmission of said power control messages includes the step of transmitting only an average power control message corresponding to an average power level of a selected number of said windows, said selected number be greater or less than a number of windows of each frame.
Claim 17
Dependent Claim
125 words
The method of claim 1 wherein said communication signal includes multiple frames, wherein the step of determining a quality of a current communication signal includes the steps of receiving multiple windows of each frame of said current communication signal and determining power level signals which include said windows; wherein the step of transmitting power control messages to said base station includes the step of transmitting power control messages corresponding to said power level signals; and wherein the step of adjusting said transmission of said power control messages includes the step of transmitting weighted average power control messages corresponding to weighted average power level of groups of windows, each of said groups of windows including at least one window from a corresponding previous group of windows.
Claim 18
Dependent Claim
56 words
The method of claim 1 wherein said communication signal includes multiple frames, and wherein the step of adjusting said transmission of said power control messages includes the steps of determining a symbol error rate for each frame received by said user station, and transmitting to said base station said determined symbol error rate for each frame.
Claim 19
Dependent Claim
58 words
The method of claim 1 wherein said communication signal includes multiple frames, and wherein the step of adjusting said transmission of said power control messages includes the steps of determining whether each frame received by said user station contains errors, and transmitting an error indicator message to said base station based on each frame determined to contain errors.
Claim 20
Dependent Claim
93 words
The method of claim 1 wherein said communication signal includes multiple frames, wherein the step of determining a quality of a current communication signal includes receiving multiple windows of each frame of said current communication signal and determining a power level of each window; wherein the step of transmitting power control messages to said base station includes transmitting power control messages corresponding to said power level of each window; and wherein the step of adjusting said transmission of said power control messages includes transmitting only one power control message corresponding to each frame.
Claim 21
Dependent Claim
62 words
The method of claim 1 wherein the step of transmitting power control messages to said base station includes the step of transmitting power control messages each having greater than one bit; and wherein the step of adjusting said transmission of said power control messages to said base station includes the step of transmitting new power control messages each having only one bit.
Claim 22
Dependent Claim
55 words
The method of claim 1 wherein the step of adjusting said transmission of said power control messages includes the steps of: comparing current power levels of said communication signal within several windows to a threshold value; producing a net result value based on said comparison; and transmitting said net result value to said base station.
Claim 23
Dependent Claim
36 words
The method of claim 1 wherein the step of adjusting said transmission of said power control messages includes the step of inserting power control messages within a channel carrying voice signals transmitted to said base station.
Claim 24
Dependent Claim
48 words
The method of claim 1 wherein the step of adjusting said transmission of said power control messages includes the steps of transmitting said power control messages over said feedback channel to said base station, and transmitting alternative power control messages over an alternative channel to said base station.
Claim 25
Dependent Claim
52 words
The method of claim 1 wherein the step of adjusting said transmission of said power control messages includes the steps of comparing a current power level of said communication signal to a threshold power level, and transmitting power control messages having both a magnitude and polarity of difference based on said comparison.
Claim 26
Dependent Claim
55 words
The method of claim 1, further comprising the steps of: analyzing a plurality of previous power control messages with respect to plurality of previous, corresponding power levels as compared to a power level threshold; determining an error value based on said step of analyzing; and adjusting said power level threshold based on said error value.
Claim 27
Dependent Claim
50 words
The method of claim 1 wherein the step of adjusting said transmission of said power control messages includes the step of selecting one of a plurality of power measurement and feedback methods, each of said power measurement and feedback methods being ranked based on a quality of said feedback channel.
Claim 28
Dependent Claim
32 words
The method of claim 1 wherein the step of adjusting said transmission of said power control messages includes the step of selecting one of a plurality of power measurement and feedback methods.
Claim 29
Dependent Claim
40 words
The method of claim 1 wherein the step of adjusting said transmission of said power control messages includes the step of selecting one of a plurality of power measurement and feedback methods based on data within said feedback control message.
Claim 30
Dependent Claim
114 words
The method of claim 1 wherein said communication system includes at least one base station controller coupled to said base station and to another base station, wherein the step of transmitting power control messages to said base station includes the step of transmitting said power control messages to said another base station, and wherein the method further comprises the steps of: determining that several of said power control messages received from said user station are erroneous; ignoring subsequent power control messages received from said user station after determining that several of said power control messages received from said user station are erroneous; and receiving and employing power control messages from said base station controller.
Claim 31
Dependent Claim
117 words
The method of claim 1 wherein said communication system includes at least one base station controller coupled to said base station and to another base station, wherein the step of transmitting power control messages to said base station includes the step of transmitting said power control messages to said another base station over another feedback channel, and wherein the method further comprises the steps of: comparing said quality of said feedback channel to a quality of said another feedback channel; determining a best feedback channel based on said step of comparing; employing either said power control messages from said feedback channel or said power control messages from said another feedback channel based on said best feedback channel.
Claim 32
Dependent Claim
165 words
The method of claim 1 wherein said communication system includes at least one base station controller coupled to said base station and another base station, wherein the step of transmitting power control messages to said base station includes the step of transmitting said power control messages to said another base station, and wherein the step of determining that a quality of said feedback channel is unacceptable includes the steps of: interpreting said power control messages at said base station and said another base station to produce first and second interpreted messages, respectively; forwarding said first and second interpreted messages to said base station controller; deriving a best power control message based on said first and second interpreted messages; and providing said best power control message to said base station, and wherein the step of transmitting a new communication signal at an adjusted power level includes the step of transmitting a new communication signal at an adjusted power level based on said best power control message.
Claim 33
Dependent Claim
141 words
The method of claim 1 wherein said communication system includes at least one base station controller coupled to said base station and to another base station, wherein the step of transmitting power control messages to said base station includes the step of transmitting said power control messages to said another base station, and wherein the method further comprises the steps of: determining that several of said power control messages received from said user station are erroneous; ignoring subsequent power control messages received from said user station after determining that several of said power control messages received from said user station are erroneous; receiving batches of alternate power control messages from said base station controller; and adjusting a transmission power level of subsequent communication signals based on a last power control message in each of said batches of alternate power control messages.
Claim 34
Dependent Claim
143 words
The method of claim 1 wherein said communication system includes at least one base station controller coupled to said base station and to another base station, wherein the step of transmitting power control messages to said base station includes the step of transmitting said power control messages to said another base station, and wherein the method further comprises the steps of: determining that several of said power control messages received from said user station are erroneous; ignoring subsequent power control messages received from said user station after determining that several of said power control messages received from said user station are erroneous; receiving batches of alternate power control messages from said base station controller; producing average power control messages from said batches of alternate power control messages; and adjusting transmission power levels of subsequent communication signals based on said average power control messages.
Claim 35
Dependent Claim
91 words
The method of claim 1 wherein said communication system includes at least one base station controller coupled to said base station and to another base station, and wherein the method further comprises the steps of: determining from said base station controller that transmission of communication signals to said mobile station is being handed-off from said base station to said another base station; and at said base station, increasing a transmission power level of subsequent communication signals by a predetermined amount until said hand-off of said transmission of communication signals is complete.
Claim 36
Dependent Claim
32 words
The method of claim 1 wherein the step of determining a quality of a current communication signal includes the step of receiving a code division multiple access (CDMA) spread spectrum communication signal.
Claim 37
Dependent Claim
111 words
In a communication system having at least one base station and at least one user station, said base station and said user station transmitting signals to each other, a method for controlling transmission signals in said communication system, the method comprising the steps of: determining a quality of a currently received communication signal; transmitting control messages over a feedback channel based on said quality of said currently received communication signal; determining that a quality of said feedback channel is unacceptable; transmitting a feedback control message after determining that said quality of said feedback channel is unacceptable; and adjusting said transmission of said control messages in response to said feedback control message.
Claim 38
Dependent Claim
111 words
In a communication system having at least one base station and at least one user station, said base station and said user station transmitting signals to each other, a method for controlling transmission signals in said communication system, the method comprising the steps of: determining a quality of a currently received communication signal; transmitting control messages over a feedback channel based on said quality of said currently received communication signal; determining that a quality of said feedback channel is unacceptable; transmitting a feedback control message after determining that said quality of said feedback channel is unacceptable; and adjusting said transmission of said control messages in response to said feedback control message.
Claim 39
Dependent Claim
31 words
The method of claim 36 wherein the step of determining a quality of a currently received communication signal includes the step of measuring a power of said currently received communication signal.
Claim 40
Dependent Claim
35 words
The method of claim 36, further comprising the step of transmitting a new communication signal at an adjusted power level based on said step of determining that a quality of said feedback channel is unacceptable.
Claim 41
Dependent Claim
51 words
The method of claim 36, further comprising the step of performing said steps of determining a quality of a currently received communication signal, transmitting control messages, determining that a quality of said feedback channel, transmitting a feedback control message and adjusting said transmission of said control messages at said user station.
Claim 42
Dependent Claim
51 words
The method of claim 36, further comprising the step of performing said steps of determining a quality of a currently received communication signal, transmitting control messages, determining that a quality of said feedback channel, transmitting a feedback control message and adjusting said transmission of said control messages at said base station.
Claim 43
Dependent Claim
30 words
The method of claim 36 wherein the step of determining that a quality of said feedback channel is unacceptable includes the step of monitoring a quality of said control messages.
Claim 44
Dependent Claim
63 words
The method of claim 36 wherein the step of transmitting control messages includes the step of transmitting error detection bits with each of said control messages, and wherein the step of determining that a quality of said feedback channel is unacceptable includes the steps of analyzing error detection bits of a first control message, and determining that said first control message is erroneous.
Claim 45
Dependent Claim
68 words
The method of claim 36 wherein the step of transmitting control messages includes the step of transmitting error correction bits with each of said control messages, and wherein the step of determining that a quality of said feedback channel is unacceptable includes the steps of: analyzing error correction bits of a first control message, determining that said first control message is erroneous, and correcting said first control message.
Claim 46
Dependent Claim
107 words
The method of claim 36 wherein said communication system includes at least one base station controller coupled to said base station and to another base station, wherein the step of transmitting control messages includes the step of transmitting said control messages to said another base station, and wherein the step of determining that a quality of said feedback channel is unacceptable includes the steps of: receiving another control message from said base station controller; comparing said another control message from said base station controller to another control message received from said user station; and determining that said feedback channel is unacceptable based on said step of comparing.
Claim 47
Dependent Claim
24 words
The method of claim 36, further comprising the step of increasing a transmission power level of said new communication signal by a predetermined amount.
Claim 48
Dependent Claim
54 words
The method of claim 36 wherein the step of transmitting control messages includes the step of transmitting said control messages at a first rate, and wherein the step of adjusting said transmission of said control messages includes the step of transmitting said control messages at a second rate, the first and second rates differing.
Claim 49
Dependent Claim
26 words
The method of claim 36 wherein the step of adjusting said transmission of said control messages includes the step of repeating transmission of selected control messages.
Claim 50
Dependent Claim
29 words
The method of claim 36 wherein the step of adjusting said transmission of said control messages includes the step of transmitting said control messages over an alternate feedback channel.
Claim 51
Dependent Claim
126 words
The method of claim 36 wherein said communication signal includes multiple frames, wherein the step of determining a quality of a currently received communication signal includes the step of determining a level of a first number of windows of each frame; wherein the step of transmitting control messages includes the step of transmitting control messages corresponding to said level of each of said first number of windows of each frame; and wherein the step of adjusting said transmission of said control messages includes the steps of: determining a level of a second number of windows of each frame, said second number being different than said first number, and transmitting control messages corresponding to said level of each of said second number of windows of each frame.
Claim 52
Dependent Claim
128 words
The method of claim 36 wherein said communication signal includes multiple frames, wherein the step of determining a quality of a currently received communication signal includes the step of determining a level of a first set of windows of each frame; wherein the step of transmitting control messages includes the step of transmitting control messages corresponding to said level of each of said first set of windows of each frame; and wherein the step of adjusting said transmission of said control messages includes the steps of: determining a level of a second set of windows of each frame, said second set having a duration differing from said first set, and transmitting control messages corresponding to said level of each of said second set of windows of each frame.
Claim 53
Dependent Claim
96 words
The method of claim 36 wherein said communication signal includes multiple frames, wherein the step of determining a quality of a currently received communication signal includes the steps of receiving multiple windows of each frame of said current communication signal and determining a level of each window; wherein the step of transmitting control messages includes the step of transmitting control messages corresponding to said level of each window; and wherein the step of adjusting said transmission of said control messages includes the step of transmitting only a control message corresponding a last window in each frame.
Claim 54
Dependent Claim
98 words
The method of claim 36 wherein said communication signal includes multiple frames, wherein the step of determining a quality of a currently received communication signal includes the steps of receiving multiple windows of each frame of said current communication signal and determining a level of each window; wherein the step of transmitting control messages includes the step of transmitting control messages corresponding to said level of each window; and wherein the step of adjusting said transmission of said control messages includes the step of transmitting only an average control message corresponding to an average level of each frame.
Claim 55
Dependent Claim
100 words
The method of claim 36 wherein said communication signal includes multiple frames, wherein the step of determining a quality of a currently received communication signal includes the steps of receiving multiple windows of each frame of said current communication signal, and determining a level of each window; wherein the step of transmitting control messages includes the step of transmitting control messages corresponding to said level of each window; and wherein the step of adjusting said transmission of said control messages includes the step of transmitting only a weighted average control message corresponding to a weighted average level of each frame.
Claim 56
Dependent Claim
117 words
The method of claim 36 wherein said communication signal includes multiple frames, wherein the step of determining a quality of a currently received communication signal includes the steps of receiving multiple windows of each frame of said current communication signal and determining a level of each window; wherein the step of transmitting control messages includes the step of transmitting control messages corresponding to said level of each window; and wherein the step of adjusting said transmission of said control messages includes the step of transmitting only an average control message corresponding to an average level of a selected number of said windows, said selected number be greater or less than a number of windows of each frame.
Claim 57
Dependent Claim
115 words
The method of claim 36 wherein said communication signal includes multiple frames, wherein the step of determining a quality of a currently received communication signal includes the steps of receiving multiple windows of each frame of said current communication signal and determining level signals which include said windows; wherein the step of transmitting control messages includes the step of transmitting control messages corresponding to said level signals; and wherein the step of adjusting said transmission of said control messages includes the step of transmitting weighted average control messages corresponding to weighted average level of groups of windows, each of said groups of windows including at least one window from a corresponding previous group of windows.
Claim 58
Dependent Claim
51 words
The method of claim 36 wherein said communication signal includes multiple frames, and wherein the step of adjusting said transmission of said control messages includes the steps of determining a symbol error rate for each frame received by said user station, and transmitting said determined symbol error rate for each frame.
Claim 59
Dependent Claim
48 words
The method of claim 36 wherein said communication signal includes multiple frames, and wherein the step of adjusting said transmission of said control messages includes the steps of determining whether each frame contains errors, and transmitting an error indicator message based on each frame determined to contain errors.
Claim 60
Dependent Claim
89 words
The method of claim 36 wherein said communication signal includes multiple frames, wherein the step of determining a quality of a current communication signal includes receiving multiple windows of each frame of said current communication signal and determining a level of each window; wherein the step of transmitting control messages includes the steps of transmitting control messages corresponding to said level of each window; and wherein the step of adjusting said transmission of said control messages includes the steps of transmitting only one control message corresponding to each frame.
Claim 61
Dependent Claim
50 words
The method of claim 36 wherein the step of transmitting control messages includes the step of transmitting control messages each having greater than one bit; and wherein the step of adjusting said transmission of said control messages includes the step of transmitting new control messages each having only one bit.
Claim 62
Dependent Claim
49 words
The method of claim 36 wherein the step of adjusting said transmission of said control messages includes the steps of: comparing current levels of said communication signal within several windows to a threshold value; producing a net result value based on said comparison; and transmitting said net result value.
Claim 63
Dependent Claim
29 words
The method of claim 36 wherein the step of adjusting said transmission of said control messages includes the step of inserting control messages within a channel carrying voice signals.
Claim 64
Dependent Claim
37 words
The method of claim 36 wherein the step of adjusting said transmission of said control messages includes the steps of transmitting said control messages over said feedback channel, and transmitting alternative control messages over an alternative channel.
Claim 65
Dependent Claim
47 words
The method of claim 36 wherein the step of adjusting said transmission of said control messages includes the steps of comparing a level of said communication signal to a threshold level, and transmitting control messages having both a magnitude and polarity of difference based on said comparison.
Claim 66
Dependent Claim
45 words
The method of claim 36, further comprising the steps of: analyzing a plurality of control messages with respect to a plurality of corresponding levels; determining an error value based on said step of analyzing; and transmitting an adjusted control message based on said error value.
Claim 67
Dependent Claim
47 words
The method of claim 36 wherein the step of adjusting said transmission of said control messages includes the step of selecting one of a plurality of measurement and feedback methods, each of said measurement and feedback methods being ranked based on a quality of said feedback channel.
Claim 68
Dependent Claim
30 words
The method of claim 36 wherein the step of adjusting said transmission of said control messages includes the step of selecting one of a plurality of measurement and feedback methods.
Claim 69
Dependent Claim
38 words
The method of claim 36 wherein the step of adjusting said transmission of said control messages includes the step of selecting one of a plurality of measurement and feedback methods based on data within said feedback control message.
Claim 70
Dependent Claim
64 words
The method of claim 36 wherein said communication system includes at least one base station controller coupled to said base station, and wherein the method further comprises the steps of: determining that several of said control messages are erroneous; ignoring subsequent control messages after determining that several of said control messages are erroneous; and receiving and employing control messages from said base station controller.
Claim 71
Dependent Claim
109 words
The method of claim 36 wherein said communication system includes at least one base station controller coupled to said base station and to another base station, wherein the step of transmitting control messages includes the step of transmitting said control messages to said another base station over another feedback channel, and wherein the method further comprises the steps of: comparing said quality of said feedback channel to a quality of said another feedback channel; determining a best feedback channel based on said step of comparing; employing either said control messages from said feedback channel or said control messages from said another feedback channel based on said best feedback channel.
Claim 72
Dependent Claim
120 words
The method of claim 36 wherein said communication system includes at least one base station controller coupled to said base station, and wherein the step of determining that a quality of said feedback channel is unacceptable includes the steps of: interpreting said control messages to produce first and second interpreted messages, respectively; forwarding said first and second interpreted messages to said base station controller; deriving a best control message based on said first and second interpreted messages; and providing said best control message to said base station, and wherein the step of transmitting a new communication signal at an adjusted level includes the step of transmitting a new communication signal at an adjusted level based on said best control message.
Claim 73
Dependent Claim
88 words
The method of claim 36 wherein said communication system includes at least one base station controller coupled to said base station, and wherein the method further comprises the steps of: determining that several of said control messages are erroneous; ignoring subsequent control messages after determining that several of said control messages are erroneous; receiving batches of alternate control messages from said base station controller; and adjusting a transmission level of subsequent communication signals based on a last control message in each of said batches of alternate control messages.
Claim 74
Dependent Claim
90 words
The method of claim 36 wherein said communication system includes at least one base station controller coupled to said base station, and wherein the method further comprises the steps of: determining that several of said control messages are erroneous; ignoring subsequent power control messages after determining that several of said control messages are erroneous; receiving batches of alternate control messages from said base station controller; producing average control messages from said batches of alternate control messages; and adjusting transmission levels of subsequent communication signals based on said average control messages.
Claim 75
Dependent Claim
60 words
The method of claim 36 wherein said communication system includes at least one base station controller coupled to said base station, and wherein the method further comprises the steps of: determining that transmission of communication signals to said mobile station is being handed-off from said base station; and increasing a transmission level of subsequent communication signals by a predetermined amount.
Claim 76
Dependent Claim
33 words
The method of claim 36 wherein the step of determining a quality of a currently received communication signal includes the step of receiving a code division multiple access (CDMA) spread spectrum communication signal.
Claim 77
Dependent Claim
126 words
In a communication system having at least one base station and at least one user station, said base station and said user station transmitting signals to each other, a system comprising: means for analyzing a quality of a currently received communication signals; means, coupled to said means for analyzing, for transmitting control messages over a feedback channel based on said quality of said currently received communication signal; means for determining that a quality of said feedback channel is unacceptable; means, coupled to said means for determining, for transmitting a feedback control message after determining that said quality of said feedback channel is unacceptable; and means, coupled to said means for analyzing, for adjusting said transmission of said control messages in response to said feedback control message.
Claim 78
Dependent Claim
126 words
In a communication system having at least one base station and at least one user station, said base station and said user station transmitting signals to each other, a system comprising: means for analyzing a quality of a currently received communication signals; means, coupled to said means for analyzing, for transmitting control messages over a feedback channel based on said quality of said currently received communication signal; means for determining that a quality of said feedback channel is unacceptable; means, coupled to said means for determining, for transmitting a feedback control message after determining that said quality of said feedback channel is unacceptable; and means, coupled to said means for analyzing, for adjusting said transmission of said control messages in response to said feedback control message.
Claim 79
Dependent Claim
30 words
The system of claim 75 wherein said means for analyzing a quality of a currently received communication signal includes means for measuring a power of said currently received communication signal.
Claim 80
Dependent Claim
32 words
The system of claim 75, further comprising means for transmitting a new communication signal at an adjusted power level based on said determining that a quality of said feedback channel is unacceptable.
Claim 81
Dependent Claim
61 words
The system of claim 75 wherein said means for transmitting control messages includes means for transmitting error detection bits with each of said control messages, and wherein said means for determining that a quality of said feedback channel is unacceptable includes means for analyzing error detection bits of a first control message, and determining that said current control message is erroneous.
Claim 82
Dependent Claim
102 words
The system of claim 75 wherein said communication system includes at least one base station controller coupled to said base station, wherein said means for transmitting control messages includes means for transmitting said control messages to said another base station, and wherein said means for determining that a quality of said feedback channel is unacceptable includes means for receiving another control message from said base station controller, means for comparing said another control message from said base station controller to another control message received from said user station, and means for determining that said feedback channel is unacceptable based on said comparing.
Claim 83
Dependent Claim
46 words
The system of claim 75 wherein said means for transmitting control messages includes means for transmitting said control messages at a fast rate, and wherein said means for adjusting said transmission of said control messages includes means for transmitting said control messages at a slow rate.
Claim 84
Dependent Claim
25 words
The system of claim 75 wherein said means for adjusting said transmission of said control messages includes means for repeating transmission of selected control messages.
Claim 85
Dependent Claim
28 words
The system of claim 75 wherein said means for adjusting said transmission of said control messages includes means for transmitting said control messages over an alternate feedback channel.
Claim 86
Dependent Claim
125 words
The system of claim 75 wherein said communication signal includes multiple frames, wherein said means for analyzing a quality of a currently received communication signal includes means for determining a level of a first number of windows of each frame; wherein said means for transmitting control messages includes means for transmitting control messages corresponding to said level of each of said first number of windows of each frame; and wherein said means for adjusting said transmission of said control messages includes means for determining a level of a second number of windows of each frame, said second number being different than said first number, and means for transmitting control messages corresponding to said level of each of said second number of windows of each frame.
Claim 87
Dependent Claim
127 words
The system of claim 75 wherein said communication signal includes multiple frames, wherein said means for analyzing a quality of a currently received communication signal includes means for determining a level of a first set of windows of each frame; wherein said means for transmitting control messages includes means for transmitting control messages corresponding to said level of each of said first set of windows of each frame; and wherein said means for adjusting said transmission of said control messages includes means for determining a level of a second set of windows of each frame, said second set having a duration different from said first set, and means for transmitting control messages corresponding to said level of each of said second set of windows of each frame.
Claim 88
Dependent Claim
97 words
The system of claim 75 wherein said communication signal includes multiple frames, wherein said means for analyzing a quality of a currently received communication signal includes means for receiving multiple windows of each frame of said current communication signal and means for determining a level of each window; wherein said means for transmitting control messages includes means for transmitting control messages corresponding to said level of each window; and wherein said means for adjusting said transmission of said control messages includes means for transmitting only an average control message corresponding to an average level of each frame.
Claim 89
Dependent Claim
115 words
The system of claim 75 wherein said communication signal includes multiple frames, wherein said means for analyzing a quality of a current communication signal includes means for receiving multiple windows of each frame of said current communication signal and means for determining a level of each window; wherein said means for transmitting control messages includes means for transmitting control messages corresponding to said level of each window; and wherein said means for adjusting said transmission of said control messages includes means for transmitting only an average control message corresponding to an average level of a selected number of said windows, said selected number be greater or less than a number of windows of each frame.
Claim 90
Dependent Claim
115 words
The system of claim 75 wherein said communication signal includes multiple frames, wherein said means for analyzing a quality of a currently received communication signal includes means for receiving multiple windows of each frame of said current communication signal and means for determining level signals which include said windows; wherein said means for transmitting control messages includes means for transmitting control messages corresponding to said level signals; and wherein said means for adjusting said transmission of said control messages includes means for transmitting weighted average control messages corresponding to a weighted average level of groups of windows, each of said groups of windows including at least one window from a corresponding previous group of windows.
Claim 91
Dependent Claim
47 words
The system of claim 75 wherein said communication signal includes multiple frames, and wherein said means for adjusting said transmission of said control messages includes means for determining a symbol error rate for each frame, and means for transmitting said determined symbol error rate for each frame.
Claim 92
Dependent Claim
49 words
The system of claim 75 wherein said communication signal includes multiple frames, and wherein said means for adjusting said transmission of said control messages includes means for determining whether each frame contains errors, and means for transmitting an error indicator message based on each frame determined to contain errors.
Claim 93
Dependent Claim
52 words
The system of claim 75 wherein said means for adjusting said transmission of said control messages includes means for comparing current levels of said communication signal within several windows to a threshold value, means for producing a net result value based on said comparison, and means for transmitting said net result value.
Claim 94
Dependent Claim
28 words
The system of claim 75 wherein said means for adjusting said transmission of said control messages includes means for inserting control messages within a channel carrying voice signals.
Claim 95
Dependent Claim
38 words
The system of claim 75 wherein said means for adjusting said transmission of said control messages includes means for transmitting said control messages over said feedback channel, and means for transmitting alternative control messages over an alternative channel.
Claim 96
Dependent Claim
29 words
The system of claim 75 wherein said means for adjusting said transmission of said control messages includes means for selecting one of a plurality of measurement and feedback modes.
Claim 97
Dependent Claim
37 words
The system of claim 75 wherein said means for adjusting said transmission of said control messages includes means for selecting one of a plurality of measurement and feedback modes based on data within said feedback control message.
Claim 98
Dependent Claim
67 words
The system of claim 75 wherein said communication system includes at least one base station controller coupled to said base station, and wherein the system further comprises: means for determining that several of said control messages are erroneous; means for ignoring subsequent control messages after determining that several of said control messages are erroneous; and means for receiving and employing control messages from said base station controller.
Claim 99
Dependent Claim
122 words
The system of claim 75 wherein said communication system includes at least one base station controller coupled to said base station and to another base station, wherein said means for transmitting control messages includes means for transmitting said control messages to said another base station over another feedback channel, and wherein the system further comprises: means for comparing said quality of said feedback channel to a quality of said another feedback channel; means for determining a best feedback channel based on said comparing; means, coupled to said means for comparing, and means for determining a best channel, for employing either said control messages from said feedback channel or said control messages from said another feedback channel based on said best feedback channel.
Claim 100
Dependent Claim
144 words
The system of claim 75 wherein said communication system includes at least one base station controller coupled to said base station and to another base station, wherein said means for transmitting control messages includes means for transmitting said control messages to said another base station, and wherein said means for determining that a quality of said feedback channel is unacceptable includes means for interpreting said control messages to produce first and second interpreted messages, respectively, means for forwarding said first and second interpreted messages to said base station controller, means for deriving a best control message based on said first and second interpreted messages, and means for providing said best control message, and wherein said means for transmitting a new communication signal at an adjusted level includes means for transmitting a new communication signal at an adjusted level based on said best control message.
Claim 101
Dependent Claim
114 words
The system of claim 75 wherein said communication system includes at least one base station controller coupled to said base station, and wherein the system further comprises: means for determining that several of said control messages are erroneous; means for ignoring subsequent control messages received based on said determining that several of said control messages are erroneous; means for receiving batches of alternate control messages from said base station controller; and means, coupled to said means for determining that several messages are erroneous, means for ignoring and means for receiving, for adjusting a transmission level of subsequent communication signals based on a last control message in each of said batches of alternate control messages.
Claim 102
Dependent Claim
117 words
The system of claim 75 wherein said communication system includes at least one base station controller coupled to said base station, and wherein the system further comprises: means for determining that several of said control messages are erroneous; means for ignoring subsequent control messages after determining that several of said control messages are erroneous; means for receiving batches of alternate control messages from said base station controller; means for producing average control messages from said batches of alternate control messages; and means, coupled to said means for determining that several messages and erroneous means for ignoring, means for receiving and means for producing, for adjusting transmission levels of subsequent communication signals based on said average control messages.
Claim 103
Dependent Claim
61 words
The system of claim 75 wherein said communication system includes at least one base station controller coupled to said base station, and wherein the system further comprises: means for determining that transmission of communication signals to said mobile station is being handed-off from said base station; and means for increasing a transmission level of subsequent communication signals by a predetermined amount.
Claim 104
Dependent Claim
99 words
In a communication system comprising: at least one user station configured to determine a quality of a currently received communication signal and transmit control messages over a feedback channel based on said quality of said currently received communication signal; a base station configured to determine that a quality of said feedback channel is unacceptable and transmit a feedback control message after determining that said quality of said feedback channel is unacceptable, and wherein said user station is further configured to adjust power control messages transmitted to said base station by said transmitter in response to said feedback control message.
Claim 105
Dependent Claim
99 words
In a communication system comprising: at least one user station configured to determine a quality of a currently received communication signal and transmit control messages over a feedback channel based on said quality of said currently received communication signal; a base station configured to determine that a quality of said feedback channel is unacceptable and transmit a feedback control message after determining that said quality of said feedback channel is unacceptable, and wherein said user station is further configured to adjust power control messages transmitted to said base station by said transmitter in response to said feedback control message.
Claim 106
Dependent Claim
22 words
The system of claim 101 wherein said user station is further configured for measuring a power of said currently received communication signal.
Claim 107
Dependent Claim
30 words
The system of claim 101 wherein said base station is further configured for transmitting a new communication signal at an adjusted power level when said feedback channel is determined unacceptable.
Claim 108
Dependent Claim
20 words
The system of claim 101 wherein said base station is further configured for monitoring a quality of said control messages.
Claim 109
Dependent Claim
50 words
The system of claim 101 wherein said user station is further configured for transmitting error detection bits with each of said control messages, and wherein said base station is further configured for analyzing error detection bits of a first control message, and determining that said first control message is erroneous.
Claim 110
Dependent Claim
55 words
The system of claim 101 wherein said user station is further configured for transmitting error correction bits with each of said control messages, and wherein said base station is further configured for analyzing error correction bits of a first control message, determining that said first control message is erroneous, and correcting said first control message.
Claim 111
Dependent Claim
92 words
The system of claim 101 wherein said communication system includes at least one base station controller coupled to said base station and to another base station, wherein said user station is further configured for transmitting said control messages to said another base station, and wherein said base station is further configured for: receiving another control message from said base station controller; comparing said another control message from said base station controller to another control message received from said user station; and determining that said feedback channel is unacceptable based on said comparing.
Claim 112
Dependent Claim
27 words
The system of claim 101 wherein said base station is further configured for increasing a transmission power level of said new communication signal by a predetermined amount.
Claim 113
Dependent Claim
51 words
The system of claim 101 wherein said user station is further configured for transmitting said control messages at a first rate, and wherein said user station is further configured for transmitting said control messages at a second rate in response to said feedback control message, the first and second rates differing.
Claim 114
Dependent Claim
26 words
The system of claim 101 wherein said user station is further configured for repeating transmission of selected control messages in response to said feedback control message.
Claim 115
Dependent Claim
29 words
The system of claim 101 wherein said user station is further configured for transmitting said control messages over an alternate feedback channel in response to said feedback control message.
Claim 116
Dependent Claim
106 words
The system of claim 101 wherein said communication signal includes multiple frames, wherein said user station is configures for determining a level of a first number of windows of each frame, and transmitting control messages corresponding to said level of each of said first number of windows of each frame; and wherein said user station is further configured for determining a level of a second number of windows of each frame, said second number being different than said first number, and transmitting control messages corresponding to said level of each of said second number of windows of each frame in response to said feedback control message.
Claim 117
Dependent Claim
108 words
The system of claim 101 wherein said communication signal includes multiple frames, wherein said user station is configured for determining a level of a first set of windows of each frame, and transmitting control messages corresponding to said level of each of said first set of windows of each frame; and wherein said user station is further configured for determining a level of a second set of windows of each frame, said second set having a duration differing from said first set, and transmitting control messages corresponding to said level of each of said second set of windows of each frame in response to said feedback control message.
Claim 118
Dependent Claim
75 words
The system of claim 101 wherein said communication signal includes multiple frames, wherein said user station is configured for receiving multiple windows of each frame of said current communication signal, determining a level of each window, and transmitting control messages corresponding to said level of each window; wherein said user station is further configured for, and transmitting only a control message corresponding a last window in each frame in response to said feedback control message.
Claim 119
Dependent Claim
77 words
The system of claim 101 wherein said communication signal includes multiple frames, wherein said user station is configure for receiving multiple windows of each frame of said current communication signal, determining a level of each window, and transmitting control messages corresponding to said level of each window, and wherein said user station is further configures for transmitting only an average control message corresponding to an average level of each frame in response to said feedback control message.
Claim 120
Dependent Claim
79 words
The system of claim 101 wherein said communication signal includes multiple frames, wherein said user station is configured for receiving multiple windows of each frame of said current communication signal, determining a level of each window, and transmitting control messages corresponding to said level of each window, and wherein said user station is further configured for transmitting only a weighted average control message corresponding to a weighted average level of each frame in response to said feedback control message.
Claim 121
Dependent Claim
97 words
The system of claim 101 wherein said communication signal includes multiple frames, wherein said user station is configured for receiving multiple windows of each frame of said current communication signal and determining a level of each window; and wherein said user station is further configured for transmitting control messages corresponding to said level of each window, and transmitting only an average control message corresponding to an average level of a selected number of said windows in response to said feedback control message, said selected number be greater or less than a number of windows of each frame.
Claim 122
Dependent Claim
95 words
The system of claim 101 wherein said communication signal includes multiple frames, wherein said user station is configured for receiving multiple windows of each frame of said current communication signal and determining level signals which include said windows; and wherein said user station is further configured for transmitting control messages corresponding to said level signals, and transmitting weighted average control messages corresponding to weighted average level of groups of windows in response to said feedback control message, each of said groups of windows including at least one window from a corresponding previous group of windows.
Claim 123
Dependent Claim
51 words
The system of claim 101 wherein said communication signal includes multiple frames, and wherein said user station is further configured for determining a symbol error rate for each frame received by said user station, and transmitting said determined symbol error rate for each frame in response to said feedback control message.
Claim 124
Dependent Claim
48 words
The system of claim 101 wherein said communication signal includes multiple frames, and wherein said user station is further configured for determining whether each frame contains errors, and transmitting an error indicator message based on each frame determined to contain errors in response to said feedback control message.
Claim 125
Dependent Claim
72 words
The system of claim 101 wherein said communication signal includes multiple frames, wherein said user station is configured for receiving multiple windows of each frame of said current communication signal and determining a level of each window; and wherein said user station is configured for transmitting control messages corresponding to said level of each window, and transmitting only one control message corresponding to each frame in response to said feedback control message.
Claim 126
Dependent Claim
46 words
The system of claim 101 wherein said user station is configured for transmitting control messages each having greater than one bit; and wherein said user station is further configured for transmitting new control messages each having only one bit in response to said feedback control message.
Claim 127
Dependent Claim
49 words
The system of claim 101 wherein said user station is further configured for comparing current levels of said communication signal within several windows to a threshold value, producing a net result value based on said comparison, and transmitting said net result value in response to said feedback control message.
Claim 128
Dependent Claim
29 words
The system of claim 101 wherein said user station is further configured for inserting control messages within a channel carrying voice signals in response to said feedback control message.
Claim 129
Dependent Claim
37 words
The system of claim 101 wherein said user station is further configured for transmitting said control messages over said feedback channel, and transmitting alternative control messages over an alternative channel in response to said feedback control message.
Claim 130
Dependent Claim
40 words
The system of claim 101 wherein said user station is further configured for comparing a level of said communication signal to a threshold level, and transmitting control messages having both a magnitude and polarity of difference based on said comparison.
Claim 131
Dependent Claim
52 words
The system of claim 101 wherein said user station is configured for analyzing a plurality of control messages with respect to a plurality of corresponding levels, determining an error value based on said analyzing, and transmitting an adjusted control message based on said error value in response to said feedback control message.
Claim 132
Dependent Claim
47 words
The system of claim 101 wherein said user station is further configured for selecting one of a plurality of measurement and feedback modes in response to said feedback control message, each of said measurement and feedback modes being ranked based on a quality of said feedback channel.
Claim 133
Dependent Claim
30 words
The system of claim 101 wherein said user station is further configured for selecting one of a plurality of measurement and feedback modes in response to said feedback control message.
Claim 134
Dependent Claim
31 words
The system of claim 101 wherein said user station is further configured for selecting one of a plurality of measurement and feedback modes based on data within said feedback control message.
Claim 135
Dependent Claim
64 words
The system of claim 101 wherein said communication system includes at least one base station controller coupled to said base station, and wherein said base station is further configured for determining that several of said control messages are erroneous, ignoring subsequent control messages after determining that several of said control messages are erroneous, and receiving and employing control messages from said base station controller.
Claim 136
Dependent Claim
105 words
The system of claim 101 wherein said communication system includes at least one base station controller coupled to said base station and to another base station, wherein said user station is further configured for transmitting said control messages to said another base station over another feedback channel, and wherein said base station is further configured for comparing said quality of said feedback channel to a quality of said another feedback channel, determining a best feedback channel based on said comparing, and employing either said control messages from said feedback channel or said control messages from said another feedback channel based on said best feedback channel.
Claim 137
Dependent Claim
109 words
The system of claim 101 wherein said communication system includes at least one base station controller coupled to said base station, and wherein said base stations are configured for interpreting said control messages to produce first and second interpreted messages, respectively, and forwarding said first and second interpreted messages to said base station controller; wherein said base station controller is configured for deriving a best control message based on said first and second interpreted messages, and providing said best control message to said base station, and wherein said base station is further configured for transmitting a new communication signal at an adjusted level based on said best control message.
Claim 138
Dependent Claim
88 words
The system of claim 101 wherein said communication system includes at least one base station controller coupled to said base station, and wherein said base station is further configured for determining that several of said control messages are erroneous, ignoring subsequent control messages after determining that several of said control messages are erroneous, receiving batches of alternate control messages from said base station controller, and adjusting a transmission level of subsequent communication signals based on a last control message in each of said batches of alternate control messages.
Claim 139
Dependent Claim
90 words
The system of claim 101 wherein said communication system includes at least one base station controller coupled to said base station, and wherein said base station is further configured for determining that several of said control messages are erroneous, ignoring subsequent power control messages after determining that several of said control messages are erroneous, receiving batches of alternate control messages from said base station controller, producing average control messages from said batches of alternate control messages, and adjusting transmission levels of subsequent communication signals based on said average control messages.
Claim 140
Dependent Claim
60 words
The system of claim 101 wherein said communication system includes at least one base station controller coupled to said base station, and wherein said base station is further configured for determining that transmission of communication signals to said mobile station is being handed-off from said base station, and increasing a transmission level of subsequent communication signals by a predetermined amount.
Claim 141
Dependent Claim
23 words
The system of claim 101 wherein said processor is further configured for receiving a code division multiple access (CDMA) spread spectrum communication signal.
Claim 142
Dependent Claim
116 words
In a communication system having a base station, a user station exchanging signals with said base station, said user station comprising: a receiver that receives a current signal and a feedback control message from said base station; a measurement circuit coupled to receive said current signal and configured to determine a level of said current signal; a transmitter that transmits a current control message to said base station, said current control message corresponding to said level of said current signal; and a processor coupled to said receiver, said transmitter and said measurement circuit, said processor being configured to adjust control messages transmitted to said base station by said transmitter in response to said feedback control message.
Claim 143
Dependent Claim
116 words
In a communication system having a base station, a user station exchanging signals with said base station, said user station comprising: a receiver that receives a current signal and a feedback control message from said base station; a measurement circuit coupled to receive said current signal and configured to determine a level of said current signal; a transmitter that transmits a current control message to said base station, said current control message corresponding to said level of said current signal; and a processor coupled to said receiver, said transmitter and said measurement circuit, said processor being configured to adjust control messages transmitted to said base station by said transmitter in response to said feedback control message.
Claim 144
Dependent Claim
16 words
The user station of claim 138 wherein said measurement circuit and said processor are a microprocessor.
Claim 145
Dependent Claim
109 words
In a communication system having a base station and a user station, an apparatus comprising: a receiver circuit that receives a current signal and a feedback control message from a first station, said first station being one of said base station and said user station; a transmitter that transmits a current control message to a second station corresponding to a level of said current signal; and a processor coupled to said receiver circuit and said transmitter, said processor being configured to determine said level of said current signal and to adjust power control messages transmitted to said first station by said transmitter in response to said feedback control message.
Claim 146
Dependent Claim
109 words
In a communication system having a base station and a user station, an apparatus comprising: a receiver circuit that receives a current signal and a feedback control message from a first station, said first station being one of said base station and said user station; a transmitter that transmits a current control message to a second station corresponding to a level of said current signal; and a processor coupled to said receiver circuit and said transmitter, said processor being configured to determine said level of said current signal and to adjust power control messages transmitted to said first station by said transmitter in response to said feedback control message.
Claim 147
Dependent Claim
35 words
The apparatus of claim 140 wherein said user station includes said receiver circuit and said processor, and wherein said receiver circuit includes a measurement circuit configured to determine a power level of said current signal.
Claim 148
Dependent Claim
21 words
The apparatus of claim 140 wherein said processor is further configured for measuring a power of said currently received communication signal.
References Cited (Backward Citations)
US4123718A
Cited
US4112257A
Cited
US4868795A
Cited
US4777653A
Cited
US4765753A
Cited
US4811421A
Cited
US4901307A
Cited
US4870698A
Cited
US5485486A
Cited
US5101501A
Cited
US5056109A
Cited
US5257283A
Cited
US5265119A
Cited
US5267262A
Cited
US5128965A
Cited
US5878329A
Cited
US5103459A
Cited
US5103459B1
Cited
US5390338A
Cited
US5093840A
Cited
US5204876A
Cited
US5107487A
Cited
US5220678A
Cited
US5245629A
Cited
US5267261A
Cited
US5305468A
Cited
US5450616A
Cited
US5465399A
Cited
WO1994006218A1
Cited
WO1994019876A1
Cited
US5566206A
Cited
US5487180A
Cited
US5461639A
Cited
US5383219A
Cited
WO1995021494A1
Cited
US5590409A
Cited
US5621723A
Cited
WO1997003403A1
Cited
US5842113A
Cited
US5903554A
Cited
USPTO Annuity & Maintenance Windows
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| 3.5 Years (Year 4) | 2002-11-08 | 2003-05-10 | 2003-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-11-08 | 2007-05-10 | 2007-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-11-08 | 2011-05-10 | 2011-11-09 | $7700.00 | Window Closed / Lapsed |