Relay selection scheme for orthogonal amplify-and-forward relay-enhanced cellular system in a multi-cell environment

Hyun S. Ryu; Jun S. Lee; Chung G. Kang

doi:10.1109/VETECS.2010.5493859

Relay selection scheme for orthogonal amplify-and-forward relay-enhanced cellular system in a multi-cell environment

Hyun S. Ryu, Jun S. Lee, Chung G. Kang

School of Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

10 Citations (Scopus)

Abstract

In this paper, we consider the relay station (RS) selection schemes for an orthogonal amplify-and-forward relaying system with half-duplexing in a multi-cell environment. The selection schemes are to to maximize the instantaneous received SINR either when the channel gains for the other cells are fully known or not. We propose a sub-optimal RS selection scheme, which is given by the harmonic mean of the ratios of the SNRs (signal-to-noise ratios) and INRs (interference-tonoise ratios) among the adjacent cells. Furthermore, we analyze its outage performance. Our analysis presents the performance comparison between the optimal and sub-optimal RS selection policies, including the existing selection schemes. The proposed sub-optimal scheme provides a simple yet useful performance metric to improve the outage performance without resorting to the full channel knowledge in the multi-cell environment.

Original language	English
Title of host publication	2010 IEEE 71st Vehicular Technology
DOIs	https://doi.org/10.1109/VETECS.2010.5493859
Publication status	Published - 2010
Event	2010 IEEE 71st Vehicular Technology Conference, VTC 2010-Spring - Taipei, Taiwan, Province of China Duration: 2010 May 16 → 2010 May 19

Publication series

Name	IEEE Vehicular Technology Conference
ISSN (Print)	1550-2252

Other

Other	2010 IEEE 71st Vehicular Technology Conference, VTC 2010-Spring
Country	Taiwan, Province of China
City	Taipei
Period	10/5/16 → 10/5/19

ASJC Scopus subject areas

Computer Science Applications
Electrical and Electronic Engineering
Applied Mathematics

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Cite this

Ryu, H. S., Lee, J. S., & Kang, C. G. (2010). Relay selection scheme for orthogonal amplify-and-forward relay-enhanced cellular system in a multi-cell environment. In 2010 IEEE 71st Vehicular Technology [5493859] (IEEE Vehicular Technology Conference). https://doi.org/10.1109/VETECS.2010.5493859

Ryu, HS, Lee, JS & Kang, CG 2010, Relay selection scheme for orthogonal amplify-and-forward relay-enhanced cellular system in a multi-cell environment. in 2010 IEEE 71st Vehicular Technology., 5493859, IEEE Vehicular Technology Conference, 2010 IEEE 71st Vehicular Technology Conference, VTC 2010-Spring, Taipei, Taiwan, Province of China, 10/5/16. https://doi.org/10.1109/VETECS.2010.5493859

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abstract = "In this paper, we consider the relay station (RS) selection schemes for an orthogonal amplify-and-forward relaying system with half-duplexing in a multi-cell environment. The selection schemes are to to maximize the instantaneous received SINR either when the channel gains for the other cells are fully known or not. We propose a sub-optimal RS selection scheme, which is given by the harmonic mean of the ratios of the SNRs (signal-to-noise ratios) and INRs (interference-tonoise ratios) among the adjacent cells. Furthermore, we analyze its outage performance. Our analysis presents the performance comparison between the optimal and sub-optimal RS selection policies, including the existing selection schemes. The proposed sub-optimal scheme provides a simple yet useful performance metric to improve the outage performance without resorting to the full channel knowledge in the multi-cell environment.",

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