WO2003039035A3 - Optimally serving stations on wlans using contention/reservation protocol 802.11e - Google Patents

Optimally serving stations on wlans using contention/reservation protocol 802.11e Download PDF

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Publication number
WO2003039035A3
WO2003039035A3 PCT/US2002/036424 US0236424W WO03039035A3 WO 2003039035 A3 WO2003039035 A3 WO 2003039035A3 US 0236424 W US0236424 W US 0236424W WO 03039035 A3 WO03039035 A3 WO 03039035A3
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WO
WIPO (PCT)
Prior art keywords
contention
controlled
reservation protocol
cci
bss
Prior art date
Application number
PCT/US2002/036424
Other languages
French (fr)
Other versions
WO2003039035A2 (en
Inventor
Matthew J Sherman
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
Application filed by At & T Corp filed Critical At & T Corp
Priority to KR1020047006631A priority Critical patent/KR100802974B1/en
Priority to CA2464046A priority patent/CA2464046C/en
Priority to AU2002352674A priority patent/AU2002352674A1/en
Priority to JP2003541171A priority patent/JP4022200B2/en
Priority to EP02789622A priority patent/EP1451947A4/en
Publication of WO2003039035A2 publication Critical patent/WO2003039035A2/en
Publication of WO2003039035A3 publication Critical patent/WO2003039035A3/en

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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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/02—Hybrid access techniques
    • 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
    • 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]
    • 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
    • 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]
    • H04W28/26—Resource reservation
    • 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]
    • H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
    • 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

The Wireless LAN includes multiple stations (STAs) (101-103), mobile or Stationary, airlinked (104) to an access point (105) as a Basic Service Set (BSS). A Hybrid Coordinator (HC) (117) is collocated with the access point (105) for allocating the bandwidth for the BSS to using a Controlled Contention/Resource Reservation Protocol defined in the IEEE Standard 802.11(e). The HC (117) transmits Contention Control (CC) frames and initiates Controlled Contention Intervals (CCI) having a selected number of slotted intervals. HC (117) receives Resource Reservations (RR) detailing band width needs from STA contenders during a specified time interval called the Controlled Contention Interval (CCI).Several parameters are installed in each CC for contention control purpose. The several parameters are controlled to optimize efficient use of the wireless medium (104) and reduce access delays for RR frames contending for the wireless medium (104).
PCT/US2002/036424 2001-10-31 2002-10-28 Optimally serving stations on wlans using contention/reservation protocol 802.11e WO2003039035A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020047006631A KR100802974B1 (en) 2001-10-31 2002-10-28 Optimally serving stations on wlans using contention/resource reservation protocol ieee 802.11e
CA2464046A CA2464046C (en) 2001-10-31 2002-10-28 Optimally serving stations on wlans using contention/reservation protocol 802.11e
AU2002352674A AU2002352674A1 (en) 2001-10-31 2002-10-28 Optimally serving stations on wlans using contention/reservation protocol 802.11e
JP2003541171A JP4022200B2 (en) 2001-10-31 2002-10-28 Method and system for optimally serving stations on a wireless LAN using the IEEE 802.11E standard controlled contention / resource reservation protocol
EP02789622A EP1451947A4 (en) 2001-10-31 2002-10-28 Method and system for optimally serving stations on wireless lans using a controlled contention/resource reservation protocol of the ieee 802.11e standard

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US33550401P 2001-10-31 2001-10-31
US60/335,504 2001-10-31
US10/230,116 US7289529B2 (en) 2001-10-31 2002-08-29 Method and system for optimally serving stations on wireless LANs using a controlled contention/resource reservation protocol of the IEEE 802.11e standard
US10/230,116 2002-08-29

Publications (2)

Publication Number Publication Date
WO2003039035A2 WO2003039035A2 (en) 2003-05-08
WO2003039035A3 true WO2003039035A3 (en) 2004-02-26

Family

ID=26923933

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/036424 WO2003039035A2 (en) 2001-10-31 2002-10-28 Optimally serving stations on wlans using contention/reservation protocol 802.11e

Country Status (7)

Country Link
US (2) US7289529B2 (en)
EP (1) EP1451947A4 (en)
JP (1) JP4022200B2 (en)
KR (1) KR100802974B1 (en)
AU (1) AU2002352674A1 (en)
CA (1) CA2464046C (en)
WO (1) WO2003039035A2 (en)

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Also Published As

Publication number Publication date
JP4022200B2 (en) 2007-12-12
AU2002352674A1 (en) 2003-05-12
EP1451947A4 (en) 2009-01-21
USRE43705E1 (en) 2012-10-02
CA2464046C (en) 2010-12-21
WO2003039035A2 (en) 2003-05-08
CA2464046A1 (en) 2003-05-08
KR100802974B1 (en) 2008-02-14
KR20040060964A (en) 2004-07-06
JP2005508119A (en) 2005-03-24
EP1451947A2 (en) 2004-09-01
US7289529B2 (en) 2007-10-30
US20030161340A1 (en) 2003-08-28

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