@inproceedings{b42d996e619946bf91f33fa46ac539dd,
title = "Robust relay beamforming for MIMO multi-relay networks with imperfect channel estimation",
abstract = "In this paper, we consider a dual-hop Multiple Input Multiple Output (MIMO) wireless multi-relay network, in which a source-destination pair both equipped with multiple antennas communicates through multiple half-duplex amplify-and-forward (AF) relay terminals which are also with multiple antennas. Imperfect channel estimations for all nodes are considered. We propose a novel robust linear beamforming at the relays, based on the QR decomposition filter at the destination node which performs successive interference cancellation (SIC). Using Law of Large Number, we obtain the asymptotic rate, upon which the proposed relay beamforming is optimized. Simulation results show that the asymptotic rate matches with the ergodic rate well. Analysis and simulation results demonstrate that the proposed beamforming outperforms the conventional beamforming schemes.",
keywords = "MIMO relay, channel estimation, rate, relay beamforming, successive interference cancellation (SIC) detection",
author = "Zijian Wang and Wen Chen and Benoit Geller and Olivier Rioul",
year = "2013",
month = jan,
day = "1",
doi = "10.1109/GLOCOM.2013.6831574",
language = "English",
isbn = "9781479913534",
series = "Proceedings - IEEE Global Communications Conference, GLOBECOM",
pages = "3259--3264",
booktitle = "2013 IEEE Global Communications Conference, GLOBECOM 2013",
note = "2013 IEEE Global Communications Conference, GLOBECOM 2013 ; Conference date: 09-12-2013 Through 13-12-2013",
}