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首页> 外文会议>Annual Allerton Conference on Communication, Control, and Computing; 20040929-1001; Monticello,IL(US) >Wireless Networks with Multiuser Diversity and Correlated Fading
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Wireless Networks with Multiuser Diversity and Correlated Fading

机译：具有多用户多样性和相关衰落的无线网络

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摘要

In this paper we study the capacity of a wireless network including a multiple-antenna bases-tation with correlated fading and single-antenna users with mutually independent time-varying channels to the basestation. Multi-antenna techniques like the diversity schemes and the multiplexing schemes can improve the performance of the network, and by allowing users with good links to the basestation to transmit, multiuser diversity can further increase the network capacity. By using asymptotic results from order statistics, we find that with a large number of users and multiuser diversity, the capacity of the network increases with correlations in the diversity schemes and the low signal-to-noise ratio regime of multiplexing schemes, but decreases with correlations in the high signal-to-noise ratio regime of multiplexing.
机译：在本文中，我们研究了无线网络的容量，该无线网络包括具有相关衰落的多天线基站和到基站具有相互独立的时变信道的单天线用户。诸如分集方案和多路复用方案之类的多天线技术可以改善网络性能，并且通过允许与基站具有良好链接的用户进行传输，多用户分集可以进一步增加网络容量。通过使用阶跃统计的渐近结果，我们发现，随着用户数量的增加和多用户分集的出现，网络的容量随着分集方案和低信噪比方案中的相关性而增加，但随着多路复用的高信噪比方案中的相关性。

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