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

Title
Design and Performance Analysis of Soft Decision-Based Network-Assisted Interference Cancellation and Suppression Scheme
Authors
Moon S.Choe H.Chu M.You C.Liu H.Kim J.-H.Kim J.Kim D.J.Hwang I.
Ewha Authors
김정호
SCOPUS Author ID
김정호scopus
Issue Date
2017
Journal Title
Wireless Personal Communications
ISSN
0929-6212JCR Link
Citation
vol. 96, no. 4, pp. 5849 - 5863
Keywords
Advanced receiverLLRNAICSSidelink systemSoft decision
Publisher
Springer New York LLC
Indexed
SCIE; SCOPUS WOS scopus
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. © 2017, Springer Science+Business Media New York.
DOI
10.1007/s11277-017-4450-6
Appears in Collections:
엘텍공과대학 > 전자공학과 > Journal papers
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