协同OFDM系统中分组中继和按音中继的组合选择

Yixin Li, Wenjin Wang, F. Zheng
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引用次数: 18

摘要

本文提出了一种分布式协同解码转发OFDM系统的批量和按音联合传输方案。首先从N个可用中继节点中选择一个子集L,然后在该子集内执行按音调选择。给出了该方案的停电概率的近似表达式。蒙特卡洛仿真验证了我们的分析,并与现有方案进行了比较。该方案优于基于批量的中继选择方案,与基于每音的中继选择方案相比,复杂性较小。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Combined bulk and per-tone relay selection in cooperative OFDM systems
In this paper, we propose a combined bulk and per-tone transmission scheme for distributed cooperative decode-and-forward OFDM system. A subset L out of N available relay nodes is first chosen and then per-tone selection is performed within the subset. An approximated expression for the outage probability of proposed scheme is given. Monte Carlo simulations validate our analysis and show the performance compared with existing schemes. The proposed scheme outperforms the bulk based relay selection scheme, with a modicum of complexity compared with per-tone based relay selection scheme.
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