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首页> 外文会议>IEEE International symposium on Personal, Indoor, and Mobile Radio Communications >Multi-hopping loss in MIMO decode-and-forward cooperative relaying
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Multi-hopping loss in MIMO decode-and-forward cooperative relaying

机译：MIMO解码转发协作中继中的多跳损耗

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摘要

It is well-known that relaying can extend the communication range. However, the performance of the relaying network is inferior compared to a single-hop system where the destination is placed hypothetically at the relay. The gap between the single-hop and relay network, dubbed the multi-hopping or relaying loss, is studied in this paper. In particular, we investigate the increase in outage probability and the degradation in ergodic capacity incurred due to the multi-hopping loss in a dualhop multiple-input multiple-output decode-and-forward relaying network operating in the single-source single-relay single-user topology. Moreover, we show that a cooperative relaying scheme, called the best relay scheme, in the single-source K-relays single-user topology can recover a significant portion of the multi-hopping loss. In both topologies, we derive closed-form approximations for the outage probability and ergodic capacity using the well-known Gaussian approximation.
机译：众所周知，中继可以扩展通信范围。但是，与将目标假设地放置在中继站的单跳系统相比，中继网的性能较差。本文研究了单跳和中继网络之间的间隙，称为多跳或中继损耗。特别是，我们研究了在单源单中继单系统中运行的双跳多输入多输出解码转发中继网络中，由于多跳损耗而导致的断电概率增加和遍历容量降低-用户拓扑。此外，我们表明，在单源K中继单用户拓扑中，一种称为最佳中继方案的协作中继方案可以弥补很大一部分多跳损耗。在这两种拓扑中，我们使用众所周知的高斯近似来推导停机概率和遍历容量的闭式近似。

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