Quantized beamforming with channel prediction - transactions letters
Pengcheng Zhu
Lan Tang
Yan Wang
Xiaohu You
Nat. Mobile Commun. Res. Lab., Southeast Univ., Nanjing, China;
This paper appears in: Wireless Communications, IEEE Transactions on
Publication Date: November 2009
Volume: 8,
Issue: 11
On page(s): 5377-5382
ISSN: 1536-1276
INSPEC Accession Number: 10985641
Digital Object Identifier: 10.1109/TWC.2009.080276
Current Version Published: 2009-11-20
Abstract
This paper investigates a quantized beamforming system with feedback delay. A linear channel predictor is used to cope with the feedback delay. We derive an upper bound on the symbol error rate (SER) of phase shift keying (PSK) signal. Based on the bound, we design a predictor that provides good error performance. We also demonstrate that the beamformer design methods developed in a delay-free scenario are applicable to the system with feedback delay.
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