Title :
Investigations on multi-user MIMO system based on THP under frequency selective scenario
Author :
Taniguchi, Takafumi ; Ramli, Nordin ; Karasawa, Yoshio
Author_Institution :
Dept. of Commun. Eng. & Inf., Univ. of Electro-Commun., Tokyo, Japan
Abstract :
In this paper, several aspects of multi-user multiple input multiple output (MU-MIMO) communication system based on Tomlinson Harashima precoding (THP) are investigated under frequency selective scenario. First, two types of broadband-extended versions of THP MU-MIMO based on single carrier time-domain processing are described, namely, the simple adaptation of conventional THP MU-MIMO to frequency selective environment, and the method with transmitter and receiver beamforming assuming perfect channel state information (CSI) in both sides. Then theoretical discussions and computer simulations are carried out, and some features of THP under frequency selective fading are shown together with its problems.
Keywords :
MIMO communication; array signal processing; broadband networks; frequency selective surfaces; precoding; radio receivers; radio transmitters; CSI; MU-MIMO communication system; THP MU-MIMO; Tomlinson Harashima precoding; beamforming; broadband-extended versions; channel state information; frequency selective environment; frequency selective fading; frequency selective scenario; multiuser MIMO system; multiuser multiple input multiple output; receiver; single carrier time-domain processing; transmitter; Array signal processing; MIMO; Receiving antennas; Signal to noise ratio; Transmitting antennas; Multiuser; Tomlinson Harashima precoding (THP); frequency selective; multiple input multiple output (MIMO); nonlinear; tapped delay line (TDL);
Conference_Titel :
Communications (MICC), 2013 IEEE Malaysia International Conference on
Conference_Location :
Kuala Lumpur
DOI :
10.1109/MICC.2013.6805830
