Abstract
The neighbourhood area network (NAN) in smart grid (SG) is responsible for data exchange from smart meters (SMs) to the control center and vice versa. Efficient and reliable communication from a control center to individual SMs is an essential part of enabling a green power supply system. Different packet loss at SMs causes information delay. Network coding (NC) is a promising technique to improve throughput and reduce this delay by recovering lost packets in a broadcast scenario. In this paper, to recover lost packets, a codebook is designed for SG NAN downlink (DL) communication without feedback information. The codebook is designed for a small number of retransmissions under the assumption of an optimal decoder/receiver. The key performance metrics include decoded packets and packet loss ratio. Simulation results show the proposed codebook outperforms existing codebooks in terms of throughput for similar performance metrics.
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