Comparative Call Capacity Analysis of VOIP in IEEE802.11b WLAN Environment

In recent years, Voice over Internet Protocol (VoIP) is growing very fast and is providing a cost effective alternative for voice communication. VoIP over WLAN is poised to become an important Internet application. Since numbers of VoIP client over WLAN is increasing at a fast pace, the number of simultaneous VoIP streams supported by IEEE WLAN standard is an important area of study. With each VoIP stream typically requiring less than 10kbps, an IEEE802.11b WLAN operated at 11Mbps could in principle support 550 VoIP sessions, but in practice it provides very few VoIP sessions, typically 8 to 10. IEEE 802.11b standard operates in two modes i.e. Distributed Co-ordination Function (DCF) and Point Co-ordination Function (PCF).

Provided by: International Journal of Innovative Research in Electrical, Electronics, Instrumentation and Control Engineering (IJIREEICE) Topic: Networking Date Added: Dec 2013 Format: PDF

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