A Beam Selection Algorithm for Millimeter-Wave Multi-User MIMO Systems

Rahul Pal

doi:10.1109/LCOMM.2018.2803805

2018-04-01

PRE

Rahul Pal *

K. V. Srinivas

A. Krishna Chaitanya

DOI：10.1109/LCOMM.2018.2803805

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摘要

En 中文

Millimeter wave (mmWave) frequencies offer huge transmission bandwidths and allow packing a large number of antennas within a given aperture area, enabling high-dimensional MIMO communications. A major bottleneck in realizing such systems is the requirement of a large number of RF chains. Working in the beamspace domain provides an attractive solution through beam selection. We propose a novel beam selection algorithm for downlink mmWave multi-user MIMO systems that selects K beams for K users. The proposed method attempts to maximize the sum-rate and nulls-out the multi-user interference. We show, through simulations, that the proposed method outperforms the existing ones.

Keyword:

Beamspace

beam selection

high dimensional MIMO

mmWave communications

multiuser precoder

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期刊

IEEE Communications Letters

IF:

4.4

论文数:

1.3W

被引数:

2.2W

机构

indian institute of technology system (iit system)

学者数:

9.5W

论文数: 9.9W

被引数: 93

banaras hindu university (bhu)

学者数:

9.5K

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