In this paper, a cooperative communication network based on energy-harvesting (EH) decode-and-forward (DF) relays is proposed. For relay nodes, there is harvest-storage-use (HSU) structure in this system. And energy can be obtained from the surrounding environment through energy buffering. In order to improve the performance of the communication system, the opportunistic routing algorithm and the generalized selection combining (GSC) algorithm are adopted in this communication system. In addition, from discrete-time continuous-state space Markov chain model (DCSMC), a theoretical expression of the energy limiting distribution stored in infinite buffers is derived. Through using the probability distribution and state transition matrix, the theoretical expressions of system outage probability, throughput and time cost of per packet are obtained. Through the simulation verification, the theoretical results are in good agreement with the simulation results.

翻译：本文提出了一种基于能量采集（EH）译码转发（DF）中继的协作通信网络。该系统中继节点采用采集-存储-使用（HSU）结构，并可通过能量缓冲从周围环境获取能量。为提升通信系统性能，该系统采用了机会路由算法与广义选择合并（GSC）算法。此外，基于离散时间连续状态空间马尔可夫链模型（DCSMC），推导出无限缓冲器中存储能量的极限分布理论表达式。利用概率分布与状态转移矩阵，获得了系统中断概率、吞吐量及每数据包时间成本的理论表达式。仿真验证表明，理论结果与仿真结果高度吻合。