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Specular component-based beamforming for broadband massive MIMO systems with doubly-ended correlation

Beamforming (BF) transmission for broadband massive MIMO systems in frequency-selective Ricean fading environments is investigated. By treating the scattered component as interference in order to reduce the heavy overhead for estimating channel state information, a transmit/receive BF scheme only ba...

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Published in:Electronics letters 2016-06, Vol.52 (12), p.1082-1084
Main Author: Yue, Dian-Wu
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Language:English
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cited_by cdi_FETCH-LOGICAL-c3433-8c01a671551604cb3d8b1da0dc88da979a26074d71482a00f3fc79b3b28a91bb3
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description Beamforming (BF) transmission for broadband massive MIMO systems in frequency-selective Ricean fading environments is investigated. By treating the scattered component as interference in order to reduce the heavy overhead for estimating channel state information, a transmit/receive BF scheme only based on the specular component is presented. It is shown by analytical results that the ergodic achievable rate for the scenario with doublyended spatial correlation can be asymptotically equal to that of the one without correlation when the transmit power is scaled down by the multiplication of the two numbers of antennas at the transmitter and the receiver. It is also shown by simulation results that different from the traditional point of view, spatial correlation can improve the rate performance of the proposed BF scheme.
doi_str_mv 10.1049/el.2015.4039
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subjects antenna arrays
array signal processing
broadband massive MIMO systems
channel estimation
channel state information estimation
correlation methods
doubly‐ended spatial correlation
ergodic achievable rate
frequency‐selective Ricean fading environments
MIMO communication
radio receivers
radio transmitters
radiofrequency interference
radiowave propagation
receive BF scheme
Rician channels
specular component‐based beamforming transmission
transmit BF scheme
Wireless communications
title Specular component-based beamforming for broadband massive MIMO systems with doubly-ended correlation
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