IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Online ISSN : 1745-1337
Print ISSN : 0916-8508
Regular Section
Double-Scale Channel Prediction for Precoded TDD-MIMO Systems
De-Chun SUNZu-Jun LIUKe-Chu YI
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2013 Volume E96.A Issue 3 Pages 745-746

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Abstract

In precoded TDD MIMO systems, precoding is done based on the downlink CSI, which can be predicted according to the outdated uplink CSI. This letter proposes a double-scale channel prediction scheme where frame-scale Kalman filters and pilot-symbol-scale AR predictors jointly predict the needed downlink CSI.

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© 2013 The Institute of Electronics, Information and Communication Engineers
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