WO2003039054A3 - Wireless lans and neighborhood capture - Google Patents

Wireless lans and neighborhood capture Download PDF

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Publication number
WO2003039054A3
WO2003039054A3 PCT/US2002/036425 US0236425W WO03039054A3 WO 2003039054 A3 WO2003039054 A3 WO 2003039054A3 US 0236425 W US0236425 W US 0236425W WO 03039054 A3 WO03039054 A3 WO 03039054A3
Authority
WO
WIPO (PCT)
Prior art keywords
global channel
medium
periodic
channel release
cells
Prior art date
Application number
PCT/US2002/036425
Other languages
French (fr)
Other versions
WO2003039054A2 (en
Inventor
Mathilde Benveniste
Original Assignee
At & T Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US09/985,257 external-priority patent/US7095754B2/en
Priority claimed from US10/187,132 external-priority patent/US7277413B2/en
Priority claimed from US10/256,299 external-priority patent/US7248600B2/en
Priority claimed from US10/256,305 external-priority patent/US7245604B2/en
Priority claimed from US10/256,309 external-priority patent/US7245605B2/en
Priority claimed from US10/256,516 external-priority patent/US7180905B2/en
Priority claimed from US10/256,384 external-priority patent/US7280517B2/en
Priority claimed from US10/256,471 external-priority patent/US7277415B2/en
Application filed by At & T Corp filed Critical At & T Corp
Priority to AU2002346389A priority Critical patent/AU2002346389A1/en
Publication of WO2003039054A2 publication Critical patent/WO2003039054A2/en
Publication of WO2003039054A3 publication Critical patent/WO2003039054A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0808—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA
    • H04W74/0816—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA carrier sensing with collision avoidance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H04L47/2416—Real-time traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

Abstract

Overlapped wireless LAN cells in a medium have an equal chance at establishing a session on the medium. A first member station in the first cell transmits a timing packet containing a timestamp value, which is received at a second member station in the second cell. This synchronizes member stations in the first and second ells to interrupt transmissions at a global channel release instant corresponding to the timestamp value. The member stations in the first and second cells then have the opportunity to content for accessf to the medium following the global channel release instant, using a slotted CSMA/CA access method. Each of the member station in the first and second cells has a superframe clock that is synchronized based on the timestamp value, thereby establishing a periodic global channel relase instant during each of a plurality of periodic superframes. The member stations can then periodically interrupt transmissions at the periodic global channel release instant to content for the medium. The periodic global channel release instant occurs at intervals that are sufficiently close to meet delay and jitter restrictions for time-critical voice and video applications.
PCT/US2002/036425 2001-11-02 2002-10-28 Wireless lans and neighborhood capture WO2003039054A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002346389A AU2002346389A1 (en) 2001-11-02 2002-10-28 Wireless lans and neighborhood capture

Applications Claiming Priority (24)

Application Number Priority Date Filing Date Title
US33093001P 2001-11-02 2001-11-02
US09/985,257 US7095754B2 (en) 2000-11-03 2001-11-02 Tiered contention multiple access (TCMA): a method for priority-based shared channel access
US60/330,930 2001-11-02
US09/985,257 2001-11-02
US33103001P 2001-11-07 2001-11-07
US60/331,030 2001-11-07
US33121101P 2001-11-13 2001-11-13
US60/331,211 2001-11-13
US34234301P 2001-12-21 2001-12-21
US60/342,343 2001-12-21
US10/187,132 2002-06-28
US10/187,132 US7277413B2 (en) 2001-07-05 2002-06-28 Hybrid coordination function (HCF) access through tiered contention and overlapped wireless cell mitigation
US10/256,299 2002-09-27
US10/256,299 US7248600B2 (en) 2001-11-02 2002-09-27 ‘Shield’: protecting high priority channel access attempts in overlapped wireless cells
US10/256,309 2002-09-27
US10/256,305 US7245604B2 (en) 2001-11-02 2002-09-27 Fixed deterministic post-backoff for cyclic prioritized multiple access (CPMA) contention-free sessions
US10/256,309 US7245605B2 (en) 2001-11-02 2002-09-27 Preemptive packet for maintaining contiguity in cyclic prioritized multiple access (CPMA) contention-free sessions
US10/256,516 US7180905B2 (en) 2001-11-02 2002-09-27 Access method for periodic contention-free sessions
US10/256,384 US7280517B2 (en) 2001-11-02 2002-09-27 Wireless LANs and neighborhood capture
US10/256,516 2002-09-27
US10/256,384 2002-09-27
US10/256,471 2002-09-27
US10/256,305 2002-09-27
US10/256,471 US7277415B2 (en) 2001-11-02 2002-09-27 Staggered startup for cyclic prioritized multiple access (CPMA) contention-free sessions

Publications (2)

Publication Number Publication Date
WO2003039054A2 WO2003039054A2 (en) 2003-05-08
WO2003039054A3 true WO2003039054A3 (en) 2004-02-26

Family

ID=27583788

Family Applications (6)

Application Number Title Priority Date Filing Date
PCT/US2002/036425 WO2003039054A2 (en) 2001-11-02 2002-10-28 Wireless lans and neighborhood capture
PCT/US2002/034406 WO2003041346A1 (en) 2001-11-02 2002-10-29 Preemptive packet for maintaining contiguity in cyclic prioritized multiple access (cpma) contention-free sessions
PCT/US2002/034430 WO2003041428A1 (en) 2001-11-02 2002-10-29 Staggered startup for cyclic prioritized multiple acess (cpma) contention-free sessions
PCT/US2002/034585 WO2003043357A1 (en) 2001-11-02 2002-10-29 Access method for periodic contention-free sessions
PCT/US2002/034433 WO2003041427A1 (en) 2001-11-02 2002-10-29 'shield': protecting high priority channel access attempts in overlapped wireless cells
PCT/US2002/034434 WO2003041343A2 (en) 2001-11-02 2002-10-29 Fixed deterministic post-backoff for cyclic prioritized multiple access (cpma) contention-free sessions

Family Applications After (5)

Application Number Title Priority Date Filing Date
PCT/US2002/034406 WO2003041346A1 (en) 2001-11-02 2002-10-29 Preemptive packet for maintaining contiguity in cyclic prioritized multiple access (cpma) contention-free sessions
PCT/US2002/034430 WO2003041428A1 (en) 2001-11-02 2002-10-29 Staggered startup for cyclic prioritized multiple acess (cpma) contention-free sessions
PCT/US2002/034585 WO2003043357A1 (en) 2001-11-02 2002-10-29 Access method for periodic contention-free sessions
PCT/US2002/034433 WO2003041427A1 (en) 2001-11-02 2002-10-29 'shield': protecting high priority channel access attempts in overlapped wireless cells
PCT/US2002/034434 WO2003041343A2 (en) 2001-11-02 2002-10-29 Fixed deterministic post-backoff for cyclic prioritized multiple access (cpma) contention-free sessions

Country Status (2)

Country Link
AU (1) AU2002346389A1 (en)
WO (6) WO2003039054A2 (en)

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US8879519B2 (en) 2006-01-11 2014-11-04 Qualcomm Incorporated Wireless communication methods and apparatus supporting peer to peer communications
US9270606B2 (en) 2000-11-03 2016-02-23 At&T Intellectual Property Ii, L.P. Tiered contention multiple access (TCMA): a method for priority-based shared channel access
US9319906B2 (en) 2001-11-02 2016-04-19 At&T Intellectual Property Ii, L.P. Preemptive packet for maintaining contiguity in cyclic prioritized multiple access (CPMA) contention-free sessions
CN105103584B (en) * 2014-01-26 2019-11-29 华为技术有限公司 The channel competition method, apparatus and system of unlicensed band

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US7277413B2 (en) 2001-07-05 2007-10-02 At & T Corp. Hybrid coordination function (HCF) access through tiered contention and overlapped wireless cell mitigation
US7136361B2 (en) 2001-07-05 2006-11-14 At&T Corp. Hybrid coordination function (HCF) access through tiered contention and overlapped wireless cell mitigation
US7180905B2 (en) 2001-11-02 2007-02-20 At & T Corp. Access method for periodic contention-free sessions
US7280517B2 (en) 2001-11-02 2007-10-09 At&T Corp. Wireless LANs and neighborhood capture
US7248600B2 (en) 2001-11-02 2007-07-24 At&T Corp. ‘Shield’: protecting high priority channel access attempts in overlapped wireless cells
US7277415B2 (en) 2001-11-02 2007-10-02 At&T Corp. Staggered startup for cyclic prioritized multiple access (CPMA) contention-free sessions
US7245604B2 (en) 2001-11-02 2007-07-17 At&T Corp. Fixed deterministic post-backoff for cyclic prioritized multiple access (CPMA) contention-free sessions
US20040053624A1 (en) * 2002-09-17 2004-03-18 Frank Ed H. Method and system for optimal load balancing in a hybrid wired/wireless network
KR20040110302A (en) * 2003-06-18 2004-12-31 삼성전자주식회사 Method of wireless network communication using access point
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US8472473B2 (en) 2003-10-15 2013-06-25 Qualcomm Incorporated Wireless LAN protocol stack
US8483105B2 (en) 2003-10-15 2013-07-09 Qualcomm Incorporated High speed media access control
US8233462B2 (en) 2003-10-15 2012-07-31 Qualcomm Incorporated High speed media access control and direct link protocol
US8462817B2 (en) 2003-10-15 2013-06-11 Qualcomm Incorporated Method, apparatus, and system for multiplexing protocol data units
US9226308B2 (en) 2003-10-15 2015-12-29 Qualcomm Incorporated Method, apparatus, and system for medium access control
US7352772B2 (en) 2003-12-19 2008-04-01 Lenovo Singapore Pte. Ltd. Minimization of performance impact in overlying 802.11b and 802.11g networks
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US8903440B2 (en) 2004-01-29 2014-12-02 Qualcomm Incorporated Distributed hierarchical scheduling in an ad hoc network
US7564814B2 (en) 2004-05-07 2009-07-21 Qualcomm, Incorporated Transmission mode and rate selection for a wireless communication system
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US8401018B2 (en) 2004-06-02 2013-03-19 Qualcomm Incorporated Method and apparatus for scheduling in a wireless network
US7953053B2 (en) * 2004-06-16 2011-05-31 Koninklijke Philips Electronics N.V. Distributed resource reservation in a wireless adhoc network
US7961828B2 (en) * 2004-10-06 2011-06-14 Motorola Mobility, Inc. Sync bursts frequency offset compensation
US8600336B2 (en) 2005-09-12 2013-12-03 Qualcomm Incorporated Scheduling with reverse direction grant in wireless communication systems
US8811369B2 (en) 2006-01-11 2014-08-19 Qualcomm Incorporated Methods and apparatus for supporting multiple communications modes of operation
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US9319906B2 (en) 2001-11-02 2016-04-19 At&T Intellectual Property Ii, L.P. Preemptive packet for maintaining contiguity in cyclic prioritized multiple access (CPMA) contention-free sessions
US8879519B2 (en) 2006-01-11 2014-11-04 Qualcomm Incorporated Wireless communication methods and apparatus supporting peer to peer communications
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CN105103584B (en) * 2014-01-26 2019-11-29 华为技术有限公司 The channel competition method, apparatus and system of unlicensed band

Also Published As

Publication number Publication date
WO2003039054A2 (en) 2003-05-08
WO2003041427A1 (en) 2003-05-15
WO2003043357A1 (en) 2003-05-22
AU2002346389A1 (en) 2003-05-12
WO2003041343A3 (en) 2003-07-10
WO2003041343A2 (en) 2003-05-15
WO2003041428A1 (en) 2003-05-15
WO2003041346A1 (en) 2003-05-15

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