Vol. 176, Issue 8, August 2014, pp. 120-124

Abstract: A well-performing medical wireless network can greatly improve the efficiency of medical units and save manpower and resources. And the performance of a wireless network depends on routing algorithm. An optimal routing algorithm means less transmission delay, high packet arrival rate and proper network congestion control. As the soul in Ad hoc network, it can greatly restrict network size and node data transmission. This study focused on research of several typical routing algorithms in wireless ad hoc networks. Then it proposed an ad hoc-based routing algorithm for wireless body sensor networks according to the characteristics of medical networks - HAODV (Hospital Ad-hoc on-demand Distance Vector) on its basis. Furthermore, NS2 was used for simulation, and simulation data of different network scenes was analyzed for the comparison of two routing algorithms. Based on the simulation results, the feasibility of the algorithm was verified to guide the construction of medical Ad hoc networks.

Keywords: Medical wireless networks, Wireless Ad hoc networks, Routing algorithm, NS2, OLSR, HAODV.

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