Abstract
As Bit errors fluctuate wildly in di_erent environments and they fluctuate steadily for a given pair of sensor nodes, we propose an error-aware routing protocol (EARP). Compared to other estimators, bit errors can directly reflect the wireless channel state and can be used in complex regions. In this paper, we use parameter VerValue to choose appropriate correction codes and translate error degree to ER Dis(error distance). We propose local Dijkstra algorithm (LDA) in ER Dis graph, witch is a distributed routing protocol algorithm and can be easily implemented in WSNs, to choose a short ER Dis path for very sensor node. Simulation shows that compared to di_erent routing protocol schemes, LDA can choose an e_cient path to the base station and EARP scheme can indeed greatly reduce transmission energy and prolong WSNs lifetime.
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