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In this paper, the authors study the reliable broadcast transmission in energy harvesting networks. In addition to employ the erasure-based coding scheme to cope with the packet loss, they deal with the main challenge posed to a reliable transmission in energy harvesting networks: energy deficiency. It refers that the energy harvesting node cannot work when its battery is exhausted. Hence, they take both transmission error and energy deficiency into account and propose a theoretical analysis and a system design for reliable broadcast transmissions. They also investigate the performance trade-off between reliability and throughput. For different requirements, they propose the reliability-first policy and the throughput-first policy to determine the system parameters.
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