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Progressive Linear Precoder Optimization for MIMO Packet Retransmissions

Sun, Hong; Manton, Jonathan; Ding, Zhi


This paper investigates the optimal linear precoder design for packet retransmissions in multi-input-multi-output (MIMO) systems. To fully utilize the time diversity provided by automatic repeat request (ARQ), we derive a sequence of successive optimal linear ARQ precoders for flat fading MIMO channels, which minimize the mean-square error between the transmitted data and the joint receiver output. The optimization is subject to an overall transmit power constraint. This progressive linear ARQ...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
Source: IEEE Journal on Selected Areas in Communications
DOI: 10.1109/JSAC.2005.862384


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