TS-TBCR: an access protocol for wireless LANs

The authors propose a time split channel access with token based contention resolution (TS-TBCR) protocol for integrated voice and data applications on wireless LANs. This protocol provides perfect scheduling by reserving a small bandwidth for contention resolution. This guarantees contention resolution before the start of an information slot thus preventing collisions and conserving bandwidth. For contention resolution a token based scheme requiring little centralized control from the base station is suggested. This protocol provides statistical multiplexing of voice and data traffic. Performance of the protocol for voice traffic was evaluated using a computer simulation. The results show that a large number of information sources can be multiplexed on the wireless channel keeping the voice packet loss probability within acceptable limits. The protocol can thus be utilized for provision of integrated services.<
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