消除下一代蜂窝网络中的信道反馈

GetMobile Mob. Comput. Commun. Pub Date : 2017-11-14 DOI:10.1145/3161587.3161595

Deepak Vasisht, Swarun Kumar, Hariharan Rahul, D. Katabi

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引用次数: 91

摘要

蜂窝频谱的高成本促使网络提供商寻求先进的MIMO技术来提高频谱效率[2,1]。然而，在目前的网络中，只有点对点MIMO复用才能有效地进行[3]。更先进的MIMO解决方案，如大规模MIMO、协调多点、分布式MIMO和多用户MIMO，都要求基站在传输前知道下行信道。在没有这些信息的情况下，基站无法将其信号发送给用户

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Eliminating Channel Feedback in Next-Generation Cellular Networks

The high cost of cellular spectrum has motivated network providers to seek advanced MIMO techniques to improve spectral efficiency [2, 1]. Yet, only point-to-point MIMO multiplexing can be performed efficiently in current networks [3]. More advanced MIMO solutions, such as massive MIMO, coordinated multi-point, distributed MIMO, and multi-user MIMO, all require the base station to know the downlink channels prior to transmission. In the absence of this information, the base station cannot beamform its signal to its users

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GetMobile Mob. Comput. Commun.

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