For energy‐constrained wireless sensor networks, we present an Energy‐aware Multipath Geographic Routing (EMGR) protocol. EMGR utilizes geographic information, the characteristics of energy consumption and the metric of advanced energy cost to select the next forwarding node, and uses a dynamic anchor list to shift routing path for load balance. Simulation results show that EMGR is superior to other protocols in terms of energy efficiency, network lifetime, end‐to‐end delay, and packet delivery ratio.
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Huang et al. (2011) studied this question.
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