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Cooperative Relay Scheduling under Partial State Information in Energy Harvesting Sensor Networks

机译:能量收集传感器网络中部分状态信息下的协作中继调度

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Sensors equipped with energy harvesting and cooperative communication capabilities are a viable solution to the power limitations of Wireless Sensor Networks (WSNs) associated with current battery technology. However, the optimal scheduling of transmissions in such networks is challenging due to the requirement of complete state information of the relay nodes. This paper addresses the problem of transmission scheduling in such networks when only {em partial} state information about the relays is available at the source. We formulate the scheduling problem as a Partially Observable Markov Decision Process (POMDP), and show that it can be decomposed into an equivalent Markov Decision Process (MDP) problem. Simulation results are used to show the performance of the scheduler.
机译:配备能量收集和协作通信功能的传感器是解决与当前电池技术相关的无线传感器网络(WSN)功率限制的可行解决方案。然而,由于需要中继节点的完整状态信息,因此在这样的网络中的传输的最佳调度是有挑战性的。当源中只有关于中继的{em部分}状态信息可用时,本文解决了此类网络中的传输调度问题。我们将调度问题表述为部分可观察的马尔可夫决策过程(POMDP),并表明可以将其分解为等效的马尔可夫决策过程(MDP)问题。仿真结果用于显示调度程序的性能。

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