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Optimum number of hops in linear multihop wireless networks

机译:线性多跳无线网络中的最佳跳数

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In this paper, we study the capacity of a multihop relay network with decode-and-forward strategy at each of the relay nodes. We consider both transmission power and processing power consumption at each link and a total network power constraint. We characterize the optimal number of hops that achieves maximum end-to-end throughput. In one special case, we derive an analytical expression for this optimal number of hops and show that it depends inversely on the computational power at each link. Both full-duplex (FD) and half-duplex (HD) operation of the nodes are considered and we also characterize situations in which HD operation provides higher throughput than FD operation. The effect of interference cancellation at the relay nodes is considered and the improvement in throughput is quantified.
机译:在本文中,我们研究了在每个中继节点上采用解码和转发策略的多跳中继网络的容量。我们考虑了每个链路的传输功率和处理功耗,以及总的网络功率约束。我们描述了实现最大端到端吞吐量的最佳跳数。在一种特殊情况下,我们导出了此最佳跳数的解析表达式,并表明它与每个链路的计算能力成反比。节点的全双工(FD)和半双工(HD)操作都被考虑在内,并且我们还描述了HD操作提供比FD操作更高的吞吐量的情况。考虑了中继节点处的干扰消除的效果,并且量化了吞吐量的提高。

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