An effect of delay reduced MAC protocol for WBAN based medical signal monitoring

Abstract

Due to the recent development of medical and wireless communication technology, the WBSN application is gradually increased to personal healthcare monitoring. WBSN is a network e where various kinds of bio signals of the body are measured and then are processed and transmitted to neighboring monitoring and personal portable devices. WBAN is a kind of network standard for supporting various connection around human body within 2 ~ 3 m which consists of medical and non-medical devices. The MAC Protocol proposed in this paper applies the delay limitation to MAC Protocol in medical signal monitoring to reduce the time delay and packet loss in TDMA based CSMA/CA environment. The proposed MAC protocol consider the priorities of several bio signals with different characteristics and sets up minimum packet delay time in order to guarantee the data effectiveness. Simulation results show that the proposed MAC protocol attains the reduced time delay and less packet loss over conventional Bio MAC protocol in WBAN based some medical signal monitoring network environment.