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Interference Analysis of Massive MIMO Downlink with MRT Precoding and Applications in Performance Analysis Open Access


Other title
Massive MIMO
Wireless communications
Type of item
Degree grantor
University of Alberta
Author or creator
Feng, Chi
Supervisor and department
Jing, Yindi (Electrical and Computer Engineering)
Examining committee member and department
Liang, Hao (Electrical and Computer Engineering)
Ardakani, Masoud (Electrical and Computer Engineering)
Department of Electrical and Computer Engineering
Date accepted
Graduation date
2016-06:Fall 2016
Master of Science
Degree level
Recently, massive MIMO (multiple-input-multiple-output) systems, where the base station (BS) is equipped with hundreds of small, low-cost, and low-power antennas, have been proposed as one of the promising technologies for the next generation cellular systems. The thesis works on the performance analysis of single-cell multi-user massive MIMO downlink. Perfect channel state information (CSI) is assumed at the BS and maximum ratio transmission (MRT) precoding scheme is adopted. We first investigate the distribution of the interference power and derive its probability density function (pdf) by central limit theory. After that, analytical results on the outage probability and the sum-rate are derived. Different to existing work using the law of large numbers to derive the asymptotic deterministic signal-to-interference-plus-noise-ratio (SINR), the randomness of the interference in the SINR is kept intact in our work, which allows the derivation of the outage probability. We further extend to networks with per-antenna power constraint. A modified MRT precoding scheme is proposed and the performance of the modified scheme is analyzed. Our work show that the modified MRT precoding can achieve lower outage probability and higher sum-rate than MRT precoding, even with more strict power constraint.
This thesis is made available by the University of Alberta Libraries with permission of the copyright owner solely for the purpose of private, scholarly or scientific research. This thesis, or any portion thereof, may not otherwise be copied or reproduced without the written consent of the copyright owner, except to the extent permitted by Canadian copyright law.
Citation for previous publication
C. Feng, Y. Jing, S. Jin, “Interference and outage probability analysis for massive MIMO downlink with MF precoding,” IEEE Signal Process. Lett., vol. 23, pp. 366-370, Mar. 2016.C. Feng and Y. Jing, "Modified MRT and outage probability analysis for massive MIMO downlink under per-antenna power constraint," 2016 IEEE 17th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Edinburgh, pp. 1-6, 2016.

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