Control Parameter Setting of IEEE 802.11e for Proportional Throughput Differentiation

Lee, Seungjun; Ahn, Chunsoo; Shin, Jitae

doi:10.1007/11919568_13

Cited by 1 publication

(2 citation statements)

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“…1 of ref. [5], the backoff stage increases until the maximum retry limit, i.e., L. At the maximum retry limit, if the packet collision occurs with the backoff stage, and it is the same as the value of maximum retry limit, the packet will be dropped. The packet-loss-rate is defined by the following equation.…”

Section: Mathematical Model Of Packet Loss Ratementioning

confidence: 99%

“…In the case of [4],this includes two cases that are not considered in [2]. In this paper, based on [4] and [5], we will find out which control parameters such as the CW min /CW max , retry limit, AIFS, and so on., in IEEE 802.11e EDCF mechanism have the most effect on loss rate. In addition, in order to obtain a proportional and differentiated performance between adjacent priority classes, a method of setting the most dominant parameter in QoS, is proposed.…”

Section: Introductionmentioning

confidence: 99%

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Control Parameter Setting of IEEE 802.11e for Proportional Loss Rate Differentiation

Lee

Ahn

Shin

2006

Computational Science – ICCS 2006

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Abstract. The IEEE 802.11 DCF mechanism does not present performance differentiation, because Best-effort-Service is used for the degree of importance of packets. The Enhanced Distributed Coordination Function (EDCF) mechanism of IEEE 802.11e supports QoS. According to the degree of importance of packets, packets are assigned priority and control parameters are assigned difference values. Through differentiation of theses parameters, differentiated services can be provided to various priority packets (classes) in terms of throughput, packet loss rate, and delay. In this paper, parameters of the IEEE 802.11e EDCF mechanism for Proportional Loss Rate Differentiation Service(PLDS) between adjacent priority classes are investigated through mathematical analysis and network simulation.

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Section: Mathematical Model Of Packet Loss Ratementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%