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A maximum approach for robust MIMO design: combining OSTBC and beamforming with minimum transmission power requirements

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10.1109/ICASSP.2004.1326179
 
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Pascual Iserte, AntonioMés informacióMés informacióMés informació
Pérez Neira, Ana IsabelMés informacióMés informacióMés informació
Lagunas Hernandez, Miguel A.Més informacióMés informació
Document typeConference report
Defense date2004
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
In this paper we address the problem of the design of a transmitter in a Multi-Input-Multi-Output (MIMO) space diversity system. We consider a design which is robust to errors in the channel estimate available at the transmitter. The design is based on the minimization of the necessary transmit power while guaranteeing a minimum and specified Quality of Service (QoS) in terms of Signal to Noise Ratio (SNR) with a certain probability. According to this objective, the transmitter exploits all the eigenmodes of the MIMO channel estimate, distributing the transmit power in a robust way among the channel modes by using orthonormal temporal signatures. In order to guarantee a full rate transmission, the orthonormal temporal signatures designed for real constellations in Orthogonal Space Time Block Codes (OSTBC) are used, leading to a system structure based on the combination of OSTBC and orthogonal weighted beamforming.
CitationPascual-Iserte, A.; Pérez, A.; Lagunas, M. A maximum approach for robust MIMO design: combining OSTBC and beamforming with minimum transmission power requirements. A: IEEE International Conference on Acoustics, Speech, and Signal Processing( ICASSP 2004). "IEEE International Conference on Acoustics, Speech, and Signal Processing ( ICASSP 2004)". Montreal: 2004, p. 1-4. 
URIhttp://hdl.handle.net/2117/8896
DOI10.1109/ICASSP.2004.1326179
ISBN0-7803-8485-7
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