2014•Unpublished venueRequires access

Throughput Characteristics Evaluation of Media Access Control Method Based on Synchronization Phenomena of Coupled Oscillators over WLAN Coexisting of CSMA/CA Terminals

Hiroyasu Obata, Ryo Hamamoto, Chisa Takano, Kenji Ishida

Abstract

Wireless local area networks, based on the distributed coordination function of the IEEE802.11 standard, usually use carrier sense multiple access with collision avoidance (CSMA/CA) for media access control. In the CSMA/CA method, if the number of wireless terminals increases, data frame collision often occurs among wireless terminals, which results in a decrease in the total throughput. Therefore, to improve the total throughput, a media access control method based on the synchronization phenomena of coupled oscillators, which we refer to as SP-MAC, is proposed. However, the performance of terminals based on SP-MAC, which coexist with CSMA/CA terminals, has not been sufficiently evaluated. Therefore, in this study, we evaluate the throughput performance in detail when terminals based on SP-MAC coexist with those based on CSMA/CA.

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Key concepts: Carrier sense multiple access with collision avoidance, Throughput, Distributed coordination function, Computer network, Computer science, Hidden node problem, Access control, Synchronization (alternating current)