Power allocation for F/TDMA multiuser two-way relay networks

Min Chen; Aylin Yener

doi:10.1109/TWC.2010.02.090336

Power allocation for F/TDMA multiuser two-way relay networks

Min Chen
, Aylin Yener

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

94 Scopus citations

Abstract

We consider a multiuser two-way relay network where multiple pairs of users exchange information with the assistance of a relay node, using orthogonal channels per pair. For a variety of two-way relaying mechanisms, such as decodeand- forward (DF), amplify-and-forward (AF) and compress-andforward (CF), we investigate the problem of optimally allocating relay's power among the user pairs it assists such that an arbitrary weighted sum rate of all users is maximized, and solve the problem as one or a set of convex problems for each relaying scheme. Numerical results are presented to demonstrate the performance of the optimum relay power allocation as well as the comparison among different two-way relaying schemes.

Original language	English (US)
Article number	5403533
Pages (from-to)	546-551
Number of pages	6
Journal	IEEE Transactions on Wireless Communications
Volume	9
Issue number	2
DOIs	https://doi.org/10.1109/TWC.2010.02.090336
State	Published - Feb 2010

All Science Journal Classification (ASJC) codes

Computer Science Applications
Electrical and Electronic Engineering
Applied Mathematics

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10.1109/TWC.2010.02.090336

Cite this

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abstract = "We consider a multiuser two-way relay network where multiple pairs of users exchange information with the assistance of a relay node, using orthogonal channels per pair. For a variety of two-way relaying mechanisms, such as decodeand- forward (DF), amplify-and-forward (AF) and compress-andforward (CF), we investigate the problem of optimally allocating relay's power among the user pairs it assists such that an arbitrary weighted sum rate of all users is maximized, and solve the problem as one or a set of convex problems for each relaying scheme. Numerical results are presented to demonstrate the performance of the optimum relay power allocation as well as the comparison among different two-way relaying schemes.",

author = "Min Chen and Aylin Yener",

note = "Funding Information: This work was supported by the National Science Foundation under grants CCF 0237727, CNS 0626905 and CNS 0716325, and DARPA ITMANET Program under Grant W911NF-07-1-0028. This work was presented in part at the IEEE International Conference on Communications (ICC) 2009, Dresden, Germany, June 2009. Digital Object Identifier 10.1109/TWC.2010.02.090336",

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N2 - We consider a multiuser two-way relay network where multiple pairs of users exchange information with the assistance of a relay node, using orthogonal channels per pair. For a variety of two-way relaying mechanisms, such as decodeand- forward (DF), amplify-and-forward (AF) and compress-andforward (CF), we investigate the problem of optimally allocating relay's power among the user pairs it assists such that an arbitrary weighted sum rate of all users is maximized, and solve the problem as one or a set of convex problems for each relaying scheme. Numerical results are presented to demonstrate the performance of the optimum relay power allocation as well as the comparison among different two-way relaying schemes.

AB - We consider a multiuser two-way relay network where multiple pairs of users exchange information with the assistance of a relay node, using orthogonal channels per pair. For a variety of two-way relaying mechanisms, such as decodeand- forward (DF), amplify-and-forward (AF) and compress-andforward (CF), we investigate the problem of optimally allocating relay's power among the user pairs it assists such that an arbitrary weighted sum rate of all users is maximized, and solve the problem as one or a set of convex problems for each relaying scheme. Numerical results are presented to demonstrate the performance of the optimum relay power allocation as well as the comparison among different two-way relaying schemes.

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Power allocation for F/TDMA multiuser two-way relay networks

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