US6487405B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Communication system with multicarrier telephony transport for controlling a plurality of service units
Assignee: HTC Corp
•
Filing: 1999-09-15
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Granted: 2002-11-26
•
Expires: 2019-09-15
Abstract
Abstract A method for controlling a plurality of service units in a telecommunications system with a multi-carrier transmission scheme is provided. Specifically, in one embodiment, the method includes broadcasting control signals for the service units over a plurality of control channels distributed in a number of subbands of a frequency bandwidth. The method further includes identifying the service unit to use the control signal with an identifier.
Inventors
- 👤 Mark J. Dapper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:09
CPC Classifications
H; H04; H04L; H04L27/00; H04L27/26; H04L27/2601; H04L27/2647; H04L27/2649; H04L27/26534; H04L27/2654; G; G06; G06F; G06F17/00; G06F17/10; G06F17/14; G06F17/141; G06F17/142; H03; H03M; H03M13/00; H03M13/35; H03M13/356; H04B; H04B10/00; H04B10/27; H04B10/272; H04H; H04H20/00; H04H20/65; H04H20/69; H04H20/76; H04H20/77; H04H20/78; H04H20/79; H04H20/80; H04H60/00; H04H60/09; H04H60/11; H04H60/76; H04H60/81; H04H60/82; H04H60/86; H04H60/93; H04H60/96; H04H60/97; H04J; H04J14/00; H04J14/02; H04J14/0298; H04J3/00; H04J3/02; H04J3/14; H04K; H04K1/00; H04K3/00; H04K3/20; H04K3/22; H04K3/224; H04K3/226; H04K3/25; H04K3/255; H04L1/00; H04L1/004; H04L1/0045; H04L1/0056; H04L1/0057; H04L1/24; H04L12/00; H04L12/02; H04L12/10; H04L12/12; H04L12/28; H04L12/2801; H04L12/44; H04L25/00; H04L25/02; H04L25/03; H04L25/03828; H04L25/03866; H04L27/2614; H04L27/2626; H04L27/2627; H04L27/2628; H04L27/2631; H04L27/265; H04L27/2652; H04L27/2655; H04L27/2657; H04L27/32; H04L27/34; H04L41/00; H04L41/08; H04L41/0896; H04L43/00; H04L43/02; H04L43/022; H04L43/08; H04L43/0823; H04L43/0829; H04L5/00; H04L5/003; H04L5/0037; H04L5/0044; H04L5/02; H04L5/023; H04L5/14; H04L5/143; H04L5/1469; H04L5/1484; H04M; H04M7/00; H04M7/006; H04N; H04N21/00; H04N21/20; H04N21/21; H04N21/222; H04N21/2221; H04N21/23; H04N21/238; H04N21/2383; H04N21/2385; H04N21/24; H04N21/2402; H04N21/40; H04N21/43; H04N21/438; H04N21/4382; H04N21/60; H04N21/61; H04N21/6106; H04N21/6118; H04N21/6137; H04N21/6156; H04N21/6168; H04N7/00; H04N7/16; H04N7/173; H04N7/17309; H04N7/22; H04W; H04W24/00; H04W24/08; H03M13/03; H03M13/05; H03M13/13; H03M13/15; H03M13/151; H03M13/1515; H04L1/0071; H04L2001/0092; H04L2001/0093; H04L27/0014; H04L2027/0024; H04L2027/0026; H04L2027/0036; H04L2027/0044; H04L2027/0053; H04L2027/0057; H04L2027/0063; H04L2027/0067; H04L27/2634; H04L27/26524; H04L27/2662; H04L41/02; H04L41/0213; H04L41/06; H04L41/0631; H04L41/064; H04L43/06; H04L43/067; H04L43/0805; H04L43/0811; H04L43/0817; H04L43/0847; H04L43/0852; H04L43/0858; H04L43/0864; H04L43/0876; H04L43/0882; H04L43/16; H04L5/0001; H04L5/0003; H04L5/0005; H04L5/0007; H04M9/00; H04M9/02; H04M9/022; H04M9/027; Y; Y02; Y02D; Y02D30/00; Y02D30/50
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
88 words
A method for controlling a plurality of service units in a telecommunication system with a multi-carrier transmission scheme, comprising the steps of: assigning an identifier to each service unit; assigning each service unit to a subband of a transmission channel of a narrow band transmission scheme, wherein each subband includes a control channel for receiving and transmitting control signals; broadcasting control signals for the service units over the control channels in a number of subbands; and identifying the service unit to use the control signal with the identifier.
Claim 2
Independent Claim
88 words
A method for controlling a plurality of service units in a telecommunication system with a multi-carrier transmission scheme, comprising the steps of: assigning an identifier to each service unit; assigning each service unit to a subband of a transmission channel of a narrow band transmission scheme, wherein each subband includes a control channel for receiving and transmitting control signals; broadcasting control signals for the service units over the control channels in a number of subbands; and identifying the service unit to use the control signal with the identifier.
Claim 3
Dependent Claim
24 words
The method of claim 1 , wherein the step of broadcasting control signals comprises broadcasting the control signals over a hybrid fiber/coax telecommunications system.
Claim 4
Dependent Claim
106 words
A service unit for use with a communication system that transmits signals with a multi-carrier transmission scheme wherein a transmission channel is divided into a number of subbands each subband including a number of payload channels and a control channel, the service unit comprising: a modem that is tunable to receive telephony and control signals on a subband of a transmission channel; a controller circuit coupled to the modem to receive control signals over the control channel and to determine which control signals to use to control the operation of the modem; and interface circuits coupled to the controller for providing signals to a channel unit.
Claim 5
Dependent Claim
106 words
A service unit for use with a communication system that transmits signals with a multi-carrier transmission scheme wherein a transmission channel is divided into a number of subbands each subband including a number of payload channels and a control channel, the service unit comprising: a modem that is tunable to receive telephony and control signals on a subband of a transmission channel; a controller circuit coupled to the modem to receive control signals over the control channel and to determine which control signals to use to control the operation of the modem; and interface circuits coupled to the controller for providing signals to a channel unit.
Claim 6
Dependent Claim
22 words
The method of claim 1 , wherein assigning an identifier comprises assigning a personal identification number (PIN) code to the service unit.
Claim 7
Dependent Claim
42 words
The method of claim 1 , wherein assigning each service unit to a subband comprises assigning each service unit to a subband such that the service units of the telecommunications system are substantially evenly distributed over the number subbands of the system.
Claim 8
Dependent Claim
25 words
The method of claim 1 , and further comprising: detecting a collision on a control channel; and instructing the service units to re-transmit upstream signals.
Claim 9
Dependent Claim
23 words
The method of claim 1 , wherein broadcasting control signals comprises broadcasting the same control signals on the control channel in each subband.
Claim 10
Dependent Claim
24 words
The method of claim 7 , wherein broadcasting control signals comprises broadcasting the same control signals simultaneously on the control channel in each subband.
Claim 11
Dependent Claim
24 words
The method of claim 1 , wherein assigning an identifier to a service unit comprises assigning an identifier during initialization of the service unit.
Claim 12
Independent Claim
57 words
A method for controlling a plurality of service units in a telecommunications system with a multi-carrier transmission scheme, the method comprising: broadcasting control signals for the service units over a plurality of control channels distributed in a number of subbands of a frequency bandwidth; and identifying the service unit to use the control signal with an identifier.
Claim 13
Independent Claim
57 words
A method for controlling a plurality of service units in a telecommunications system with a multi-carrier transmission scheme, the method comprising: broadcasting control signals for the service units over a plurality of control channels distributed in a number of subbands of a frequency bandwidth; and identifying the service unit to use the control signal with an identifier.
Claim 14
Dependent Claim
24 words
The method of claim 10 , wherein broadcasting control signals comprises broadcasting the same control signals simultaneously on the control channel in each subband.
Claim 15
Dependent Claim
33 words
The method of claim 10 , wherein identifying the service unit to use the control signal with an identifier comprises identifying the service unit with a personal identification number (PIN) assigned during activation.
Claim 16
Dependent Claim
20 words
The method of claim 10 , wherein broadcasting control signals comprises broadcasting the control signals over a hybrid fiber/coax network.
Claim 17
Dependent Claim
28 words
The service unit of claim 3 , wherein the controller circuit determines which control signals to use based on a personal identification number associated with the service unit.
Claim 18
Dependent Claim
17 words
The service unit of claim 3 , wherein the modem is tunable to a plurality of subbands.
Claim 19
Dependent Claim
24 words
The service unit of claim 3 , wherein the controller circuit further generates signals for transmission upstream over the control channel by the modem.
Claim 20
Dependent Claim
37 words
The service unit of claim 3 , wherein the controller circuit is operable to wait a selectable period of time for retransmission of upstream control signals on the control channel after receiving an indication of a collision.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2005-11-25 | 2006-05-27 | 2006-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2009-11-25 | 2010-05-27 | 2010-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2013-11-25 | 2014-05-27 | 2014-11-26 | $7700.00 | Window Closed / Lapsed |