WO2004077225A3 - Quality of service differentiation in wireless networks - Google Patents

Quality of service differentiation in wireless networks Download PDF

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Publication number
WO2004077225A3
WO2004077225A3 PCT/US2004/002513 US2004002513W WO2004077225A3 WO 2004077225 A3 WO2004077225 A3 WO 2004077225A3 US 2004002513 W US2004002513 W US 2004002513W WO 2004077225 A3 WO2004077225 A3 WO 2004077225A3
Authority
WO
WIPO (PCT)
Prior art keywords
network
determining
contention window
target value
window according
Prior art date
Application number
PCT/US2004/002513
Other languages
French (fr)
Other versions
WO2004077225A2 (en
Inventor
Zihua Guo
Wenwu Zhu
Qian Zhang
Jun Zhao
Original Assignee
Microsoft Corp
Zihua Guo
Wenwu Zhu
Qian Zhang
Jun Zhao
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 Microsoft Corp, Zihua Guo, Wenwu Zhu, Qian Zhang, Jun Zhao filed Critical Microsoft Corp
Priority to EP04706514.9A priority Critical patent/EP1590978B1/en
Priority to JP2006503143A priority patent/JP4495721B2/en
Publication of WO2004077225A2 publication Critical patent/WO2004077225A2/en
Publication of WO2004077225A3 publication Critical patent/WO2004077225A3/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
    • 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]
    • H04W28/24—Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/002—Transmission of channel access control information
    • H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
    • 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
    • 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

Abstract

A method provides differentiated quality of service (QoS) by providing adaptive updates to media access control (MAC) layer parameters on a distributed basis. The method includes calculating a failure probability for a transmission over the network, determining a target value for determining a contention window according to a mapped function of the failure probability, and altering the contention window according to a scaling function of the target value. The mapped function and the scaling can provide QoS differentiation. A wireless device ensures fairness in a wireless time slotted network and includes a network interface card (NIC), a network driver interface, a network monitor, a statistics engine, and an adaptive parameter engine for determining a target value for determining a contention window according to a mapped function of the one or more probabilities to enable an alteration of the contention window and provide new parameters for the MAC layer.
PCT/US2004/002513 2003-02-27 2004-01-29 Quality of service differentiation in wireless networks WO2004077225A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP04706514.9A EP1590978B1 (en) 2003-02-27 2004-01-29 Quality of service differentiation in wireless networks
JP2006503143A JP4495721B2 (en) 2003-02-27 2004-01-29 Differentiating service quality in wireless networks

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/377,451 US6937591B2 (en) 2003-02-27 2003-02-27 Quality of service differentiation in wireless networks
US10/377,451 2003-02-27

Publications (2)

Publication Number Publication Date
WO2004077225A2 WO2004077225A2 (en) 2004-09-10
WO2004077225A3 true WO2004077225A3 (en) 2005-04-21

Family

ID=32908146

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/002513 WO2004077225A2 (en) 2003-02-27 2004-01-29 Quality of service differentiation in wireless networks

Country Status (7)

Country Link
US (3) US6937591B2 (en)
EP (1) EP1590978B1 (en)
JP (1) JP4495721B2 (en)
KR (1) KR100995189B1 (en)
CN (1) CN100411458C (en)
TW (1) TWI332330B (en)
WO (1) WO2004077225A2 (en)

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Also Published As

Publication number Publication date
KR100995189B1 (en) 2010-11-17
WO2004077225A2 (en) 2004-09-10
US20040170150A1 (en) 2004-09-02
US7593423B2 (en) 2009-09-22
KR20050115253A (en) 2005-12-07
TW200423617A (en) 2004-11-01
JP2006520140A (en) 2006-08-31
US20050122902A1 (en) 2005-06-09
US20050100040A1 (en) 2005-05-12
CN1771746A (en) 2006-05-10
CN100411458C (en) 2008-08-13
EP1590978B1 (en) 2013-10-16
EP1590978A2 (en) 2005-11-02
JP4495721B2 (en) 2010-07-07
US6937591B2 (en) 2005-08-30
TWI332330B (en) 2010-10-21
EP1590978A4 (en) 2011-01-12
US7602707B2 (en) 2009-10-13

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