Title :
IEEE 802.11 packet delay-a finite retry limit analysis
Author :
Chatzimisios, P. ; Boucouvalas, A.C. ; Vitsas, V.
Author_Institution :
Multimedia Commun. Res. Group, Bournemouth Univ., UK
Abstract :
The contribution of this paper is on the study of packet delays for the IEEE 802.11 wireless local area network DCF MAC protocol. A method is presented capable of taking into account retransmission delays with or without retry limits. We present an analytical model based on a Markov chain which allows us to derive closed form expressions for the packet delays, the probability of a packet being discarded when it reaches the maximum retransmission limit and the average time to drop such a packet for the basic and RTS/CTS access mechanisms. The results presented are for standard protocol parameters versus the number of contention stations. Finally, the accuracy of the analytical model is verified by simulations.
Keywords :
Markov processes; access protocols; delays; packet radio networks; packet switching; wireless LAN; DCF MAC protocol; IEEE 802.11; Markov chain; RTS-CTS access mechanisms; finite retry limit analysis; maximum retransmission limit; packet delay; wireless local area network; Access protocols; Analytical models; Delay effects; Media Access Protocol; Multimedia communication; Performance analysis; Physical layer; Standards development; Throughput; Wireless LAN;
Conference_Titel :
Global Telecommunications Conference, 2003. GLOBECOM '03. IEEE
Print_ISBN :
0-7803-7974-8
DOI :
10.1109/GLOCOM.2003.1258379
