An energy-aware broadcast scheme for directed diffusion in wireless sensor network
نویسندگان
چکیده
Broadcast is a common communication means in mobile ad hoc network or wireless sensor network. In directed diffusion protocol, broadcast is used to disseminate interest, discover routing path and repair the routing path. However, straightforward broadcast scheme (such as flooding) may result in serious broadcast storm problem, especially with respect to large densely deployed wireless sensor network. This paper compares the performances of several broadcast schemes combining with directed diffusion and proposes an energy-aware broadcast scheme adapting to directed diffusion. This scheme combines the advantages of distance-based and counter-based broadcast schemes and considers the remainder energy of sensor node. Simulation results show that the proposed scheme has the following advantages: (1) simple, efficient and scalable; (2) more energy-balancing than other schemes; (3) longer network lifetime than other schemes.
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