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Optimizing Training-based Transmission for Correlated MIMO Systems with Hybrid Feedback

Lamahewa, Tharaka; Sadeghi, Parastoo; Zhou, Xiangyun; Durrani, Salman


In this paper, we consider multiple-input multipleoutput (MIMO) communication systems with combined channel covariance feedback (CCF) and channel gain feedback (CGF), hereafter called hybrid CCF-CGF systems. Using an ergodic capacity lower bound as the figure of merit, we investigate the optimal training and data transmission strategies as well as the optimal transmit resource allocation. We prove that the optimal structure for data transmission follows a water-filling solution according to the...[Show more]

CollectionsANU Research Publications
Type: Conference paper
Source: Proceedings of IEEE Global Communications Conference, Exhibition & Industry Forum (GLOBECOM 2009)
DOI: 10.1109/GLOCOM.2009.5425264


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