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Factorization for Advanced Physical Layer Techniques in Network-Coded Wireless Communication Networks

机译:网络编码无线通信网络中的高级物理层技术的因子

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We consider the utility maximization problem in wireless multi-hop networks with unicast and multicast communication and jointly optimize routing or network coding together with the physical layer. Since for any communication demands the performance is predominately determined by the region of achievable rates on edges between nodes, we provide a framework for including advanced physical layer methods in wireless networks by means of factorizing the achievable rate region into a set of advanced elementary rate regions. Various advanced physical layer operations such as broadcast and multiple access channels are included. Additionally, the wireless multicast advantage is efficiently modeled for degraded channels, namely broadcast and multicast, to improve performance of multicast sessions. Numerical examples show the impact of the physical layer onto the optimal routing or network coding solution and the benefits of advanced physical layer operations.
机译:我们考虑使用单播和多播通信的无线多跳网络中的实用最大化问题,并共同优化与物理层一起编码的路由或网络。由于对于任何通信所需,所需性能主要由节点之间的边缘的可实现速率区域确定,因此我们提供了一种框架,用于通过将可实现的速率区域分解成一组高级基本速率区域来包括无线网络中的高级物理层方法。 。包括各种高级物理层操作,例如广播和多个接入信道。此外,无线多播优势是有效地建模用于降级信道,即广播和多播,以提高组播会话的性能。数值示例示出了物理层对最佳路由或网络编码解决方案的影响以及高级物理层操作的益处。

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