CA2399729A1 - Method and apparatus for reducing radio link supervision time in a high data rate system - Google Patents

Method and apparatus for reducing radio link supervision time in a high data rate system Download PDF

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Publication number
CA2399729A1
CA2399729A1 CA002399729A CA2399729A CA2399729A1 CA 2399729 A1 CA2399729 A1 CA 2399729A1 CA 002399729 A CA002399729 A CA 002399729A CA 2399729 A CA2399729 A CA 2399729A CA 2399729 A1 CA2399729 A1 CA 2399729A1
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Canada
Prior art keywords
predetermined
communication channel
control processor
supervision time
configuration
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002399729A
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French (fr)
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CA2399729C (en
Inventor
Greg M. Hoagland
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Qualcomm Inc
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Qualcomm Incorporated
Greg M. Hoagland
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Filing date
Publication date
Application filed by Qualcomm Incorporated, Greg M. Hoagland filed Critical Qualcomm Incorporated
Publication of CA2399729A1 publication Critical patent/CA2399729A1/en
Application granted granted Critical
Publication of CA2399729C publication Critical patent/CA2399729C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • H04W76/34—Selective release of ongoing connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Abstract

A method of supervising on the forward link in a high data rate system is disclosed, wherein a base station transmits to an access terminal on a forward traffic channel only when the base station has data to send to the access terminal. The base station minimizes the worst-case period necessary to reclaim traffic channel resources following a release by periodically transmitting a configuration packet to its access terminals. The configuration packet indicates the allocation status of the traffic channels belonging to the base station. If an access terminal receives a configuration packet indicating the deallocation of one or all of its traffic channels, the access terminal immediately ceases its use of those traffic channels. If an access terminal fails to successfully decode a configuration packet for a predetermined supervision time, the access terminal releases its connection with all base stations and associated traffic channels.

Claims (42)

1. In a wireless communication system, a method for terminating the use of a communication channel comprising the steps of:
decoding a received signal; and terminating the use of the communication channel based on failure to successfully decode a configuration packet from said received signal within a predetermined supervision time.
2. The method of claim 1 further comprising the steps of:
successfully decoding said configuration packet from said received signal within said predetermined supervision time;
extracting channel allocation information from said configuration packet;
and terminating the use of the communication channel based on said channel allocation information.
3. The method of claim 2 wherein said configuration packet is positioned within said received signal at time intervals having a predetermined duration.
4. The method of claim 3 wherein said predetermined duration is approximately four hundred milliseconds.
5. The method of claim 3 wherein said supervision time is a predetermined multiple of said predetermined duration.
6. The method of claim 5 wherein said predetermined multiple is twelve.
7. The method of claim 2 wherein said supervision time is approximately 4.8 milliseconds.
8. The method of claim 2 wherein said step of extracting further comprises extracting an allocation indicator corresponding to one of a plurality of communication channels from said channel allocation information.
9. The method of claim 2 wherein said step or extracting further comprises extracting one bit from a predetermined number of bits in a bit mask, wherein each bit of said bit mask corresponds to one of said predetermined number of communication channels, and wherein said one bit corresponds to the communication channel.
10. The method of claim 9 wherein said predetermined number of bits is twenty-eight.
11. The method of claim 9 wherein said predetermined number of bits is twenty-nine.
12. The method of claim 2 further comprising the steps of:
successfully decoding a release initiate message from said received signal within said predetermined supervision time; and terminating the use of the communication channel based on said release initiate message.
13. The method of claim 12 further comprising the step of sending a release message in response to said release initiate message.
14. In a wireless communication system, a method for terminating the use of the communication channel comprising the steps of:
transmitting a plurality of configuration packets, wherein each of said plurality of configuration packets comprises channel allocation information corresponding to the communication channel; and terminating the use of the communication channel based on the expiration of a predetermined supervision time.
15. The method of claim 14 further comprising the step of transmitting a release initiate message indicating the release of the communication channel prior to the beginning of said predetermined supervision time.
16. The method of claim 15 further comprising the steps of:
decoding a release message corresponding to the communication channel; and immediately releasing the communication channel.
17. The method of claim 16 wherein said plurality of configuration packets are transmitted at time intervals having a predetermined duration.
18. The method of claim 17 wherein said predetermined duration is approximately four hundred milliseconds.
19. The method of claim 17 wherein said supervision time is a predetermined multiple of said predetermined duration.
20. The method of claim 19 wherein said predetermined multiple is twelve.
21. The method of claim 16 wherein said supervision time is approximately 4.8 milliseconds.
22. The method of claim 16 wherein said step of extracting further comprises extracting an allocation indicator corresponding to at least one of a plurality of communication channels from said channel allocation information.
23. The method of claim 16 wherein said channel allocation information comprises a bit mask having a predetermined number of bits, wherein each bit of said bit mask corresponds to one of said predetermined number of communication channels.
24. The method of claim 23 wherein said predetermined number of bits . is twenty-eight.
25. The method of claim 23 wherein said predetermined number of bits is twenty-nine.
26. A wireless access terminal apparatus comprising:
a decoder for decoding a received demodulated signal; and a control processor for terminating the use of a communication channel based on failure of said decoder to successfully decode a configuration packet from the received demodulated signal within a predetermined supervision time.
27. The apparatus of claim 26 wherein said control processor is further configured to terminate the use of the communication channel based on channel allocation information extracted from a configuration packet successfully decoded by said decoder.
28 28. The apparatus of claim 27 wherein said control processor is further configured to receive configuration packets from said decoder at time intervals having a predetermined duration.
29. The apparatus of claim 27 wherein said control processor is configured to receive configuration packets from said decoder at constant time intervals having a duration of approximately four hundred milliseconds.
30. The apparatus of claim 27 wherein said control processor is configured to use a predetermined supervision time of approximately 4.8 seconds.
31. The apparatus of claim 27 wherein said control processor is further configured to extract a bit mask having a predetermined number of bits from each configuration packet successfully decoded by said decoder, and to extract one bit from the bit mask, wherein the one bit corresponds to one of said predetermined number of communication channels.
32. The apparatus of claim 27 wherein said control processor is further configured to terminate the use of the communication channel based on the successful decoding of a release message by said decoder within the predetermined supervision time.
33. A wireless network apparatus comprising:
a transceiver for transmitting a forward link signal to one or more access terminals, and for receiving one or more reverse link signals from the one or more access terminals; and a control processor configured to generate a plurality of configuration packets, wherein each configuration packet comprises channel allocation information corresponding to a plurality of communication channels, and wherein said plurality of configuration packets are transmitted through said transceiver, and wherein said control processor is further configured to terminate the use of a first communication channel of said plurality of communication channels based on the expiration of a predetermined supervision time after the transmitting of a first of the plurality of configuration packets.
34. The apparatus of claim 33 wherein said control processor is further configured to generate a release initiate message indicating the release of the first communication channel.
35. The apparatus of claim 34 wherein said control processor is further configured to immediately terminate the use of the first communication channel based on receipt through said transceiver of a release message corresponding to the transmitted release initiate message.
36. The apparatus of claim 34 wherein said control processor is further configured to generate each of said plurality of configuration packets at constant time intervals, and wherein said transceiver transmits the information in the configuration packets at the constant time intervals.
37. The apparatus of claim 36 said control processor is further configured to generate each of said plurality of configuration packets at constant time intervals of approximately four hundred milliseconds, and wherein said transceiver transmits the information in the configuration packets at the constant time intervals.
38. The apparatus of claim 34 wherein said control processor is further configured to use a supervision time of approximately 4.8 milliseconds.
39. A wireless access terminal apparatus comprising:
means for decoding a received signal; and means for terminating the use of a communication channel based on failure to successfully decode a configuration packet from said received signal within a predetermined supervision time.
40. The apparatus of claim 0 further comprising:
means for successfully decoding said configuration packet from said received signal within said predetermined supervision time; and means for extracting channel allocation information from said configuration packet; wherein said means for terminating is further configured to terminate the use of the communication channel based on said channel allocation information.
41. A wireless network apparatus comprising:
means for transmitting a plurality of configuration packets, wherein each of said plurality of configuration packets comprises channel allocation information corresponding to the communication channel; and means for terminating the use of the communication channel based on the expiration of a predetermined supervision time.
42. The apparatus of claim 41 further comprising means for transmitting a release initiate message indicating the release of the communication channel.
CA2399729A 2000-02-07 2001-02-07 Method and apparatus for reducing radio link supervision time in a high data rate system Expired - Lifetime CA2399729C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/499,129 US6564060B1 (en) 2000-02-07 2000-02-07 Method and apparatus for reducing radio link supervision time in a high data rate system
US09/499,129 2000-02-07
PCT/US2001/003980 WO2001058045A2 (en) 2000-02-07 2001-02-07 Reducing radio link supervision time in a high data rate system

Publications (2)

Publication Number Publication Date
CA2399729A1 true CA2399729A1 (en) 2001-08-09
CA2399729C CA2399729C (en) 2012-01-31

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CA2399729A Expired - Lifetime CA2399729C (en) 2000-02-07 2001-02-07 Method and apparatus for reducing radio link supervision time in a high data rate system

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US (1) US6564060B1 (en)
EP (1) EP1273185B1 (en)
JP (1) JP4689924B2 (en)
KR (1) KR100717465B1 (en)
CN (1) CN1331366C (en)
AT (1) ATE357820T1 (en)
AU (2) AU2001234911B2 (en)
BR (1) BRPI0108122B1 (en)
CA (1) CA2399729C (en)
DE (1) DE60127393T2 (en)
HK (1) HK1054833B (en)
IL (2) IL150973A0 (en)
MX (1) MXPA02007599A (en)
NO (1) NO326631B1 (en)
RU (1) RU2262801C2 (en)
TW (1) TW538607B (en)
UA (1) UA73159C2 (en)
WO (1) WO2001058045A2 (en)

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Publication number Publication date
KR100717465B1 (en) 2007-05-14
ATE357820T1 (en) 2007-04-15
RU2262801C2 (en) 2005-10-20
NO326631B1 (en) 2009-01-19
MXPA02007599A (en) 2003-01-28
KR20020073535A (en) 2002-09-26
JP2003524965A (en) 2003-08-19
IL150973A0 (en) 2003-02-12
RU2002123879A (en) 2004-03-10
BR0108122A (en) 2004-02-10
EP1273185A2 (en) 2003-01-08
DE60127393T2 (en) 2007-11-29
HK1054833B (en) 2008-01-25
BRPI0108122B1 (en) 2016-12-27
US6564060B1 (en) 2003-05-13
WO2001058045A3 (en) 2002-02-07
CN1426663A (en) 2003-06-25
JP4689924B2 (en) 2011-06-01
NO20023701L (en) 2002-10-03
DE60127393D1 (en) 2007-05-03
NO20023701D0 (en) 2002-08-06
CN1331366C (en) 2007-08-08
AU3491101A (en) 2001-08-14
UA73159C2 (en) 2005-06-15
TW538607B (en) 2003-06-21
HK1054833A1 (en) 2003-12-12
AU2001234911B2 (en) 2005-06-09
IL150973A (en) 2008-08-07
WO2001058045A2 (en) 2001-08-09
CA2399729C (en) 2012-01-31
EP1273185B1 (en) 2007-03-21

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