WO2006083565A3 - Congestion control in wireless 802.11e environnement - Google Patents

Congestion control in wireless 802.11e environnement Download PDF

Info

Publication number
WO2006083565A3
WO2006083565A3 PCT/US2006/001837 US2006001837W WO2006083565A3 WO 2006083565 A3 WO2006083565 A3 WO 2006083565A3 US 2006001837 W US2006001837 W US 2006001837W WO 2006083565 A3 WO2006083565 A3 WO 2006083565A3
Authority
WO
WIPO (PCT)
Prior art keywords
wtrus
low priority
priority traffic
traffic streams
wireless
Prior art date
Application number
PCT/US2006/001837
Other languages
French (fr)
Other versions
WO2006083565A2 (en
Inventor
Angelo A Cuffaro
Ahmed Ali
Original Assignee
Interdigital Tech Corp
Angelo A Cuffaro
Ahmed Ali
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
Application filed by Interdigital Tech Corp, Angelo A Cuffaro, Ahmed Ali filed Critical Interdigital Tech Corp
Priority to MX2007009325A priority Critical patent/MX2007009325A/en
Priority to JP2007554114A priority patent/JP4435235B2/en
Priority to CA002596330A priority patent/CA2596330A1/en
Priority to EP06718845A priority patent/EP1854233A4/en
Publication of WO2006083565A2 publication Critical patent/WO2006083565A2/en
Priority to NO20074242A priority patent/NO20074242L/en
Publication of WO2006083565A3 publication Critical patent/WO2006083565A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/02—Access restriction performed under specific conditions
    • H04W48/06—Access restriction performed under specific conditions based on traffic conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0289—Congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/04—Error control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/08—Load balancing or load distribution
    • H04W28/09—Management thereof
    • H04W28/0958—Management thereof based on metrics or performance parameters
    • 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • 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]
    • 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
    • H04W88/08—Access point devices

Abstract

A method and apparatus for alleviating congestion of a wireless medium used by an access point (AP) and a plurality of wireless transmit/receive units (WTRUs) is disclosed. If congestion is determined to exist on the wireless medium (305), a determination is then made as to whether there are any low priority traffic streams established between the AP and at least one of the WTRUs (310). If there are no low priority traffic streams established between the AP and at least one of the WTRUs (320), selected ones of the dissociated WTRUs are disassociated with the AP based on the amount of time spent by the WTRUs trying to transmit and retransmit unacknowledged packets or on a specific traffic stream access category. If low priority traffic streams have been established, the packet transmission delay associated with the low priority traffic streams is increased when congestion exists (335). Otherwise, the packet transmission delay is decreased.
PCT/US2006/001837 2005-02-02 2006-01-19 Congestion control in wireless 802.11e environnement WO2006083565A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
MX2007009325A MX2007009325A (en) 2005-02-02 2006-01-19 Method and apparatus for controlling wireless medium congestion by adjusting contention window size and disassociating selected mobile stations.
JP2007554114A JP4435235B2 (en) 2005-02-02 2006-01-19 Method and apparatus for controlling wireless medium congestion by adjusting contention window size and separating selected mobile stations
CA002596330A CA2596330A1 (en) 2005-02-02 2006-01-19 Method and apparatus for controlling wireless medium congestion by adjusting contention window size and disassociating selected mobile stations
EP06718845A EP1854233A4 (en) 2005-02-02 2006-01-19 Method and apparatus for controlling wireless medium congestion by adjusting contention window size and disassociating selected mobile stations
NO20074242A NO20074242L (en) 2005-02-02 2007-08-20 Method and Device for Controlling Tralos Medium Overload by Adjusting Video Size and Separating Selected Mobile Stations

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US64945405P 2005-02-02 2005-02-02
US60/649,454 2005-02-02
US11/263,291 2005-10-31
US11/263,291 US7787366B2 (en) 2005-02-02 2005-10-31 Method and apparatus for controlling wireless medium congestion by adjusting contention window size and disassociating selected mobile stations

Publications (2)

Publication Number Publication Date
WO2006083565A2 WO2006083565A2 (en) 2006-08-10
WO2006083565A3 true WO2006083565A3 (en) 2008-10-23

Family

ID=36777740

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/001837 WO2006083565A2 (en) 2005-02-02 2006-01-19 Congestion control in wireless 802.11e environnement

Country Status (8)

Country Link
US (1) US7787366B2 (en)
EP (1) EP1854233A4 (en)
JP (1) JP4435235B2 (en)
KR (2) KR100914940B1 (en)
CA (1) CA2596330A1 (en)
MX (1) MX2007009325A (en)
TW (2) TWI334709B (en)
WO (1) WO2006083565A2 (en)

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Also Published As

Publication number Publication date
KR20070102583A (en) 2007-10-18
US7787366B2 (en) 2010-08-31
CA2596330A1 (en) 2006-08-10
MX2007009325A (en) 2007-09-21
JP2008532350A (en) 2008-08-14
KR20070094842A (en) 2007-09-21
US20060187840A1 (en) 2006-08-24
EP1854233A2 (en) 2007-11-14
EP1854233A4 (en) 2009-07-08
TW200723903A (en) 2007-06-16
WO2006083565A2 (en) 2006-08-10
JP4435235B2 (en) 2010-03-17
KR100914940B1 (en) 2009-08-31
TW200633552A (en) 2006-09-16
TWI334709B (en) 2010-12-11

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