EP1043902A2
Expired / Lapsed
EP
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A method of queue length based burst management in wireless communication systems
Assignee: Nokia of America Corp
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Filing: 2000-03-28
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Granted: —
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Expires: 2020-03-28
Abstract
Abstract A method to dynamically assign data rates, for digital data transmission in wireless communication systems, which are just sufficient to meet the needs of the use is presented. The method monitors the data traffic and anticipates when the assigned data rate is inadequate to support the data traffic resulting in a loss of data or when the assigned data rate is more than necessary to support the data traffic and results in inefficient usage of system resources.
Inventors
- 👤 Joseph E. Cloutier
- 👤 Tejaskumar Patel
- 👤 Wen-Yi Kuo
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-30 23:47
CPC Classifications
H; H04; H04W; H04W28/00; H04W28/16; H04W28/18; H04W28/22; H04L; H04L1/00; H04L1/0001; H04L1/0002; H04W76/00; H04W76/10; H04W28/02; H04W28/10; H04W28/14
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
122 words
In a wireless communication system having a base station and at least
one mobile station, said base station operative to establish a communications link with
at least one mobile station, said communication link having a plurality of channels and a
plurality of data rate modes, a method for the selection of a data rate mode in said
communications link for a given user comprising the steps of: a. gauging a rate of data transmission over said communications link for
said given user based on a measure of data in a data buffer; b. for said given user, selecting said data rate from said plurality of data
rate modes, said selected data rate being sufficient to support said gauged
communications link data rate.
Claim 2
Dependent Claim
40 words
The method as recited in Claim 1, wherein steps a and b are
iteratively repeated for said given user to dynamically adjust said at least one channel
and said selected data rate based on changes in aid data buffer measure.
Claim 3
Dependent Claim
25 words
The method as recited in Claim 1, wherein steps a and b are
iteratively repeated among substantially all of said mobile stations within said system.
Claim 4
Dependent Claim
38 words
The method as recited in Claim 1, wherein said communications link
includes a forward link, said forward link having a control channel and a traffic channel,
said control channel being operative to transmit control commands and traffic data.
Claim 5
Dependent Claim
24 words
The method as recited in Claim 4, wherein said forward link channel
is chosen to have capacity sufficient to support said selected data rate.
Claim 6
Dependent Claim
38 words
The method as recited in Claim 1, wherein said communications link
includes a reverse link, said reverse link having a control channel and a traffic channel,
said control channel being operative to transmit control commands and traffic data.
Claim 7
Dependent Claim
23 words
The method as recited in Claim 1 wherein the communication links
are established in respect to a code division multiple access CDMA) system.
Claim 8
Independent Claim
131 words
A method of adaptively allocating channel capacity in a wireless
communication system, said wireless communication system being characterized by at
least one base station and at least one mobile station, said mobile station being in
communication with said base station through a communications link, the method
comprising the steps of: a. initiating a data communications stream between said at least one base
station and one of said at least one mobile stations on a low-speed channel of said
communications link; b. measuring a rate of data being received in a data buffer from a source
of said data communications stream; c. selecting a data rate sufficient to support said measured rate of data
from a plurality of data rates; and d. allocating said selected data rate to said data communications stream.
Claim 9
Dependent Claim
41 words
The method as recited in Claim 8, wherein steps a through d are
iteratively repeated for said one of said at least one mobile stations, said selected data
rate being thereby dynamically adjusted based on changes in said data buffer measure.
Claim 10
Dependent Claim
28 words
The method as recited in Claim 8, wherein steps a through d are
iteratively repeated among substantially all of said at least one mobile stations in said
system.
Claim 11
Dependent Claim
44 words
The method as recited in Claim 8, wherein said communications link
includes a forward link, said forward link having a control channel and a traffic channel,
said control channel being disposed as said low-speed channel and operative to transmit
control commands and traffic data.
Claim 12
Dependent Claim
24 words
The method as recited in Claim 11, wherein said forward link
channel is chosen to have capacity sufficient to support said selected data rate.
Claim 13
Dependent Claim
44 words
The method as recited in Claim 8, wherein said communications link
includes a reverse link, said reverse link having a control channel and a traffic channel,
said control channel being disposed as said low-speed channel and operative to transmit
control commands and traffic data.
Claim 14
Dependent Claim
27 words
The method as recited in Claim 6 or Claim 13, wherein said reverse
link channel is chosen to have capacity sufficient to support said selected data rate.
Claim 15
Dependent Claim
25 words
The method as recited in Claim 1 or Claim 8, wherein said data
buffer includes an input data buffer receiving data over said communication link.
Claim 16
Dependent Claim
25 words
The method as recited in Claim 15, wherein said measure of data in
said input data buffer is determined in respect to known threshold limits.
Claim 17
Dependent Claim
26 words
The method as recited in Claim 16, wherein said threshold limits
include a plurality of known threshold values commensurate with said plurality of data
rate modes.
Claim 18
Dependent Claim
25 words
The method as recited in Claim 1 or Claim 8, wherein said data
buffer includes an output data buffer receiving data over said communication link.
Claim 19
Dependent Claim
25 words
The method as recited in Claim 18, wherein said measure of data in
said output data buffer is determined in respect to known threshold limits.
Claim 20
Dependent Claim
26 words
The method as recited in Claim 19, wherein said threshold limits
include a plurality of known threshold values commensurate with said plurality of data
rate modes.
References Cited (Backward Citations)
No citation records indexed.
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