Title :
Multiuser detector based on constant modulus arrays applicable to MIMO systems
Author_Institution :
Wireless Solution Lab, DoCoMo Commun. Labs. Eur. GmbH, Munich, Germany
Abstract :
This paper proposes a novel blind multiuser detection scheme which can be applied for MIMO systems. Even though all algorithms employed are basically blind, the proposed scheme can not only separate each user´s signal but also achieve high transmission performance for each user without a priori information of a channel and transmit sequence. Especially, a correlation-based algorithm is proposed in order to avoid ill-convergence which sometimes happens in blind systems. Finally, performance of the proposed scheme is verified by computer simulation.
Keywords :
MIMO systems; antenna arrays; array signal processing; blind source separation; correlation methods; mobile radio; multiuser detection; radio receivers; MIMO systems; blind multiuser detection scheme; blind system; channel information; constant modulus arrays; correlation-based algorithm; transmit sequence; Data communication; Detectors; Frequency; Interference cancellation; Laboratories; MIMO; Multiaccess communication; Receiving antennas; Sensor arrays; Transmitting antennas;
Conference_Titel :
Wireless Communications and Networking, 2003. WCNC 2003. 2003 IEEE
Conference_Location :
New Orleans, LA, USA
Print_ISBN :
0-7803-7700-1
DOI :
10.1109/WCNC.2003.1200377