Title :
A study of selfadaptive transmission for integrated voice and data services over an IEEE 802.11 WLAN
Author :
Li, Changle ; Li, Jiandong ; Cai, Xuelian
Author_Institution :
State Key Lab. of ISN, Xidian Univ., Xi´´an, China
Abstract :
The IEEE 802.11 standard MAC is a hybrid protocol of random access and polling when both DCF (distributed coordination function) and PCF (point coordination function) are used. On the base of the performance analysis of the MAC protocol for integrated data and voice transmission by simulation, this paper puts forward a selfadaptive transmission scheme to support multiservice over the IEEE 802.11 WLAN. The simulation results show that, on the premise of satisfying the maximum allowable delay of packet voice, the self-adaptive transmission scheme can improve the data traffic performance and increase the WLAN capacity through dynamic and appropriate adjustment of the protocol parameters. Especially, the scheme is easy to be realized for no change in the MAC protocol is needed.
Keywords :
IEEE standards; access protocols; integrated voice/data communication; wireless LAN; DCF; IEEE 802.11 standard; MAC protocol; PCF; WLAN; distributed coordination function; integrated data-voice transmission; point coordination function; selfadaptive transmission scheme; wireless local area networks; Access protocols; Analytical models; Broadband communication; Data communication; Delay; Information science; Media Access Protocol; Telecommunication traffic; Traffic control; Wireless LAN;
Conference_Titel :
Personal, Indoor and Mobile Radio Communications, 2004. PIMRC 2004. 15th IEEE International Symposium on
Print_ISBN :
0-7803-8523-3
DOI :
10.1109/PIMRC.2004.1368333
