Title :
Design of linear pre-coders and equalizers for the uplink in multiuser distributed antenna system
Author :
Qian Li ; Xiangyang Wang ; Xiang Feng
Author_Institution :
Nat. Mobile Commun. Res. Lab., Southeast Univ., Nanjing, China
Abstract :
In this paper a joint design of linear pre-coders and equalizers is investigated for the uplink in multiuser distributed antenna system (DAS) over uncorrelated channels with perfect channel state information (CSI) at both the transmitters and receivers. By minimizing the sum mean square error (MSE) of all users, under a total power constraint, the linear transceiver design is modeled as an optimization problem. Based on the research on centralized multiple input multiple output (MIMO) antenna system (CAS), the optimal solution of the problem is found. Through the simulation of the average SER, it is concluded that optimal design of pre-coders and equalizers in DAS outperforms that in CAS.
Keywords :
antenna arrays; equalisers; linear codes; mean square error methods; optimisation; precoding; CSI; MSE minimization; centralized multiple-input multiple-output antenna system; equalizers; linear pre-coders; linear transceiver design; multiuser DAS; multiuser distributed antenna system; optimization problem; perfect channel state information; receivers; sum mean square error minimization; total power constraint; transmitters; uncorrelated channels; Antennas; Equalizers; Fading; Joints; MIMO; Signal to noise ratio; Uplink; Distributed antenna system; equalizers; multiuser; pre-coders; uplink;
Conference_Titel :
Broadband Multimedia Systems and Broadcasting (BMSB), 2013 IEEE International Symposium on
Conference_Location :
London
DOI :
10.1109/BMSB.2013.6621775
