Title :
Joint linear transceiver design in amplify-and-forward mimo relay system using an MMSE criterion
Author :
Zhang, Bin ; He, Zhiqiang ; Niu, Kai ; Zhang, Li ; Wang, Xuzhen
Author_Institution :
Key Lab. of Universal Wireless Commun., Beijing Univ. of Posts & Telecommun., Beijing, China
Abstract :
This paper address the problem of designing jointly the linear transmitters and receiver in a non-regenerative MIMO relay system, where linear processing is applied at the source, relay and destination node, using minimum mean square error (MMSE) criterion. Under the average power constraints at both the source and relay node, the iterative optimization method is presented and a low-complexity block optimization method is proposed. Simulation results show that the proposed methods perform better than other existing relaying schemes, and the performance gain is very significant when the signal-to-noise ratio (SNR) is high.
Keywords :
MIMO communication; iterative methods; least mean squares methods; optimisation; relays; transceivers; MMSE criterion; SNR; amplify-and-forward MIMO relay system; block optimization method; iterative optimization method; joint linear transceiver design; minimum mean square error criterion; power constraints; relay node; signal-to-noise ratio; source node; Iterative methods; MIMO; Mean square error methods; Optimization methods; Performance gain; Power system relaying; Relays; Signal to noise ratio; Transceivers; Transmitters; Amplify-and-forward; MIMO relay; MMSE; transceiver design;
Conference_Titel :
Network Infrastructure and Digital Content, 2009. IC-NIDC 2009. IEEE International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-4898-2
Electronic_ISBN :
978-1-4244-4900-6
DOI :
10.1109/ICNIDC.2009.5360891
