Adaptive Transmission Policy for Energy Harvesting Relaying systems
Adaptive Transmission Policy for Energy Harvesting Relaying systems
复制标题
能量收集中继系统的自适应传输策略
DOI：
10.1109/iwcmc.2018.8450273
复制
发表时间：
2018
期刊：
影响因子：
--
通讯作者：
Salem A
中科院分区：
文献类型：
--
作者：
Salem A
在本文中，我们考虑了一个能量收集（EH）为基础的中继系统，EH源节点配备了一个可充电电池来存储从环境中收集的能量，与目的地的中继节点的帮助下进行通信。中继站和目的地都有无限的电力供应，而源只依赖于收集的能量。本文假设了一种延迟受限的传输模式，如果源数据在延迟截止时间内不能传输，则源数据将丢失。基于该模型，提出了一种有效的自适应源传输策略。马尔可夫链分析被认为是在源节点和系统性能的传输和成功概率方面进行评估的存储能量的水平建模。结果表明，所提出的传输策略在延迟受限的应用中的好处是高度依赖于系统设计参数和每包收获的能量的正确选择。
In this paper, we consider an energy harvesting (EH)-based relaying system where an EH-source node equipped with a rechargeable battery to store the energy harvested from the environment, communicates with a destination with the help of a relay node. The relay and destination both have an unlimited power supply, while the source relies solely on the harvested energy. A delay-limited transmission mode is assumed in this paper, in which if the source data cannot be transmitted within a delay deadline, it will be lost. Based on this model, an efficient adaptive source transmission policy is proposed. Markov chain analysis is considered to model the levels of the stored energy at the source node and the system performance is evaluated in terms of the transmission and success probabilities. The results reveal that the benefit of the proposed transmission strategy in delay-limited applications is highly dependent on the proper choice of the system design parameters and the harvested energy per packet.