Compressive Channel Estimation and User Activity Detection in Distributed-Input Distributed-Output Systems.

Qi He,Zhi Chen,Tony Q. S. Quek,Jinho Choi,Shaoqian Li

IEEE Communications Letters（2018）

引用 6|浏览46

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摘要

We address the cloud radio access network with wireless fronthaul links for massive machine-type communication as a distributed-input distributed-output (DIDO) system for simplicity. In this letter, the channel estimation and user activity detection problems in the DIDO system are studied. We notice that there are two types of sparsity in DIDO systems: The first is the sparsity of user equipment (...

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关键词

Channel estimation,Wireless sensor networks,Wireless communication,Acceleration,Quantization (signal),Antennas,Estimation

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