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Capacity and fairness of the multiple access channel in energy harvesting wireless networks

机译:能量收集无线网络中多路访问信道的容量和公平性

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摘要

In this paper, we obtain the capacity region for the AWGN Multiple Access Channel (MAC) with transmitters equipped with energy harvesters. We then develop low delay, adaptive transmission strategies that surprisingly achieve near optimal performance under finite battery resource constrained settings for the flat fading MAC. We describe the rate-fairness tradeoff inherent to the MAC and adapt the well known proportionally fair (PF) rate allocation to energy harvesting nodes. We develop new adaptive transmission strategies based on the PF rate allocation that achieves points above the rate-fairness boundary of the convex hull of the PF rate allocation.
机译:在本文中,我们使用配备了能量收集器的发射器来获得AWGN多路访问信道(MAC)的容量区域。然后,我们开发出低延迟的自适应传输策略,该策略令人惊讶地在平坦电池衰落MAC的有限电池资源受限设置下实现了接近最佳性能。我们描述了MAC固有的费率-公平权衡,并使众所周知的比例公平(PF)费率分配适用于能量收集节点。我们基于PF速率分配开发了新的自适应传输策略,该策略达到了PF速率分配的凸包的速率-公平边界上方的点。

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