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Please use this identifier to cite or link to this item: http://hdl.handle.net/10119/14287

Title: Joint Optimization of Power Allocation and Relay Position for Lossy-Forwarding Relaying
Authors: Qian, Shen
Juntti, Markku
Matsumoto, Tad
Issue Date: 2016
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Magazine name: 2016 IEEE Wireless Communications and Networking Conference
Start page: 1
End page: 6
DOI: 10.1109/WCNC.2016.7565045
Abstract: Joint optimization of power allocation (PA) and relay position (RP) is investigated for a lossy-forwarding relaying in order to minimize the outage probability. We investigate adaptive PA with fixed relay position, adaptive RP with fixed PA ratio, and joint optimization of the PA and RP under total transmit power constraint. A closed-form expression of the outage probability is derived at the high signal-to-noise ratio regime. It is shown that the closed-form expression is sufficiently accurate compared to numerical calculation results. Then, the optimum PA and the optimum RP can be formulated as a convex optimization problem. It is found that the system performance with the adaptive optimum PA outperforms that with equal power allocation. The outage performance with the adaptive optimum RP outperforms that with midpoint RP. However, the joint optimization of the PA and RP is superior to the semi-adaptive optimization algorithms.
Rights: This is the author's version of the work. Copyright (C) 2016 IEEE. 2016 IEEE Wireless Communications and Networking Conference, 2016, DOI:10.1109/WCNC.2016.7565045. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
URI: http://hdl.handle.net/10119/14287
Material Type: author
Appears in Collections:b11-1. 会議発表論文・発表資料 (Conference Papers)

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