Delay Reduced MAC Protocol for Bio Signal Monitoring in the WBSN Environment

Due to the recent development of medical and wireless communication technology, the application range of the WBSN is gradually increased. We measure various biometric data signals directly from the body surface and then to transmit them to the various monitoring devices according to the deifferent application environment. In this paper, we examine TDMA based MAC Protocol in a conventional CSMA/CA networks . The proposed MAC protocol applies the maximum delay restriction in addition to the priority based transmission in order to avoid the occurence of many invaild data due to the long packet delay. Simulation resuts show that proposed scheme provide the reduction of average delay of packet transmission over conventional Bio-MAC protocol. for several biometric signal transmission.

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