"Asterism decoding for Turbo coded MIMO systems" by Phillip Conder and Tadeusz Wysocki

Electrical & Computer Engineering, Department of

 

Date of this Version

2005

Comments

Published in IEEE 61st Vehicular Technology Conference, 2005. VTC 2005-Spring. 2005 Volume 2, 30 May-1 June 2005; pages 901-904, Vol. 2; doi 10.1109/VETECS.2005.1543436 (c) 2005 IEEE. Used by permission.

Abstract

The area of Multiple Input Multiple Output (MIMO) communications systems has received enormous attention recently as they can provide a roughly linear increase in data rate by using multiple transmit and receive antennas. MIMO combined with an Turbo coding has been shown as a promising way to achieve near capacity for wireless channels.
Where previously described decoders provide linear decoding where the number of receive antennas is at least equal to the number of transmit antennas, are computationally burdensome when nt > nr. Asterism decoding is a scheme that achieved ML performance for MIMO systems for any number of receive antennas. By applying Asterism decoding to Turbo coded MIMO systems we show that good performance can be achieved for nt > nr without the need of additional feedback into the MIMO decoding stage.

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