Cooperative communication in wireless sensor network using low density parity check codes

Energy efficient data transmission is one of the key factors for energy constraint wireless sensor network (WSN). Cooperative communication explores the energy efficient wireless communication schemes between multiple sensors and data gathering node (DGN). In this paper, an energy efficient cooperative technique is proposed considering low density parity check (LDPC) codes. The result shows that the proposed cooperative communication outperforms SISO transmission when the error correction code is considered. Bit error rate (BER) analysis is also performed. In this work, it shows that the lower encoding rate offers better error characteristics for same signal to noise ratio (SNR)

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