2005
DOI: 10.1007/s11277-005-8725-y
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Delay Performance Analysis and Evaluation of IEEE 802.11e EDCA in Finite Load Conditions

Abstract: The paper presents an analytical model for the performance evaluation of IEEE 802.11e EDCA scheme under finite load conditions on the basis of various instances of delay metric (i.e., media access delay, queuing delay and total delay). The simulation results show that the analytical estimated instances of the delay metric are almost accurate. The paper exhibits that concerning the delay of serving classes, EDCA compared to the conventional DCF, favors high priority classes against low priority ones, while almo… Show more

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Cited by 24 publications
(8 citation statements)
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References 17 publications
(18 reference statements)
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“…This dimension controls the maximum allowed time and the dropping decision will be taken depending on these values. The resulting model is in non-saturation mode, and is similar to the models obtained in [2], [5], [6], [13], [11], and [14]. This model is designed to consider the intentional dropping, which is achieved through the inclusion of service differentiation parameters.…”
Section: A Transition Diagrammentioning
confidence: 97%
See 1 more Smart Citation
“…This dimension controls the maximum allowed time and the dropping decision will be taken depending on these values. The resulting model is in non-saturation mode, and is similar to the models obtained in [2], [5], [6], [13], [11], and [14]. This model is designed to consider the intentional dropping, which is achieved through the inclusion of service differentiation parameters.…”
Section: A Transition Diagrammentioning
confidence: 97%
“…It is simply, the complement of the probability that all stations do not transmit except one. It is defined in terms of the transmission probability t i and the number of station N i from the same class, and t j and N j from all other L classes [2] [11]. It is given by:…”
Section: F Collision Probabilitymentioning
confidence: 99%
“…Upon transmission failure, a source attempts retransmission of a packet until it successfully reaches the destination. Since in the system under consideration, the probability of successful transmission during a time slot depends only on channel characteristics, the number of retransmission attempts is independent of collision probability and follows a geometric distribution [71,72]. Let random variables M and M coop represent the packet transmission delay of ADHOC MAC and CAH-MAC respectively.…”
Section: Packet Transmission Delaymentioning
confidence: 99%
“…Many on-going research efforts are focusing on the evaluation of the IEEE 802.11e standard [6][7][8]. Many studies have revealed that the poor performance exhibited by the standard is mainly due to the high collision rates encountered when a large number of stations attempt to access the channel.…”
Section: Qos Enhancements To the Ieee 80211ementioning
confidence: 99%