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Title of Journal: Wireless Pers Commun

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Abbravation: Wireless Personal Communications

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Springer US

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DOI

10.1007/bf01710066

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1572-834X

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Antenna Power Cutback Manipulation to Optimize Rel

Authors: Mojgan Moradi Abolfazl Falahati
Publish Date: 2013/06/25
Volume: 73, Issue: 3, Pages: 1215-1225
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Abstract

Power allocation between relays and data streams is an important aspect of MIMO relay systems Different methods are designed to consider weight matrices within relay channels Commonly employed methods are based on linearly distributed multi antenna relay beamforming with match filter zero forcing and MMSE techniques This article proposes a cutback relay power allocation technique to design a suboptimal beamforming weight matrix by ZF–ZF method to decrease BER considerably at high SNRs This method allocates the unused relay antenna power to others through the associated relay This allows maximum workable power to increase consequently the system performance is improved

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