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Published in: Wireless Personal Communications 4/2017

25-05-2017

Design and Performance Analysis of Soft Decision-Based Network-Assisted Interference Cancellation and Suppression Scheme

Authors: Sangmi Moon, Hun Choe, Myeonghun Chu, Cheolwoo You, Huaping Liu, Jeong-Ho Kim, Jihyung Kim, Dae Jin Kim, Intae Hwang

Published in: Wireless Personal Communications | Issue 4/2017

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Abstract

Recently, 3rd Generation Partnership Project (3GPP) has developed a network-assisted interference cancellation and suppression scheme to reduce the effect of interference. In this paper, we propose an advanced receiver based on soft decision to reduce the interference from the neighbor cells. The proposed receiver can suppress and cancel the interference by calculating the unbiased estimation value of the interference signal using the minimum mean square error or the interference rejection combining receiver. The interference signal is updated using soft information expressed by the log-likelihood ratio. We perform the system-level simulation based on 20 MHz bandwidth of a 3GPP LTE-Advanced sidelink system. The simulation results show that the proposed receiver can improve the signal-to-noise-plus-interference ratio, throughput, and spectral efficiency of a conventional system.

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Metadata
Title
Design and Performance Analysis of Soft Decision-Based Network-Assisted Interference Cancellation and Suppression Scheme
Authors
Sangmi Moon
Hun Choe
Myeonghun Chu
Cheolwoo You
Huaping Liu
Jeong-Ho Kim
Jihyung Kim
Dae Jin Kim
Intae Hwang
Publication date
25-05-2017
Publisher
Springer US
Published in
Wireless Personal Communications / Issue 4/2017
Print ISSN: 0929-6212
Electronic ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-017-4450-6

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