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

Sangmi Moon; Hun Choe; Myeonghun Chu; Cheolwoo You; Huaping Liu; Jeong Ho Kim; Jihyung Kim; Dae Jin Kim; Intae Hwang

doi:10.1007/s11277-017-4450-6

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

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

Electronic and Electrical Engineering

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

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.

Original language	English
Pages (from-to)	5849-5863
Number of pages	15
Journal	Wireless Personal Communications
Volume	96
Issue number	4
DOIs	https://doi.org/10.1007/s11277-017-4450-6
State	Published - 1 Oct 2017

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Publisher Copyright:
© 2017, Springer Science+Business Media New York.

Keywords

Advanced receiver
LLR
NAICS
Sidelink system
Soft decision

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10.1007/s11277-017-4450-6

Cite this

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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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AU - Moon, Sangmi

AU - Choe, Hun

AU - Chu, Myeonghun

AU - You, Cheolwoo

AU - Liu, Huaping

AU - Kim, Jeong Ho

AU - Kim, Jihyung

AU - Kim, Dae Jin

AU - Hwang, Intae

PY - 2017/10/1

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N2 - 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.

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

Abstract

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Keywords

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