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Virtual transmission based MAC protocol for wireless access

Virtual transmission based MAC protocol for wireless access

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The recently emerging possibility of ubiquitous wireless connectivity has increased the importance of the effective radio bandwidth usage. In the case of distributed multiple access MAC algorithms are needed that lower the probability of collisions. The authors focus on a new wireless medium access procedure that aims to increase the efficiency of the radio bandwidth usage. The presented VTBM (virtual transmission based MAC) procedure is based on the dynamic p-persistent algorithm and uses a virtual transmission mechanism. Simulation results presented demonstrate that the proposed algorithm outperforms the exponential backoff algorithm used in 802.11 DCF MAC regarding throughput and collision rate.

Inspec keywords: radio access networks; access protocols; multi-access systems

Other keywords: wireless medium access; MAC protocol; effective radio bandwidth usage; exponential backoff algorithm; virtual transmission; collision probability; ubiquitous wireless connectivity; distributed multiple access

Subjects: Protocols; Multiple access communication; Radio access systems

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