Title :
A low-complexity scheduling scheme for multiuser MIMO system based on Tomlinson-Harashima Precoding
Author :
Liu, Heng ; Hao, Li ; Fan, Pingzhi
Author_Institution :
Key Lab. of Inf. Coding & Transm., Southwest Jiaotong Univ., Chengdu, China
Abstract :
This paper addresses the scheduling problem for multiuser multi-input multi-output (MU-MIMO) system based on Tomlinson-Harashima Precoding (THP). By considering the channel gain and channel correlation jointly, a low-complexity multiuser scheduling approach is proposed. Compared with the existing scheduling schemes, the proposed scheme can avoid complicated searching process, and thus reduce the scheduling burden at the MAC layer significantly. Simulation results show the sum rate performance of the proposed scheme is nearly optimal although its complexity is very low.
Keywords :
MIMO communication; multi-access systems; precoding; scheduling; MAC layer; Tomlinson-Harashima precoding; channel correlation; channel gain; low-complexity scheduling; multiuser MIMO system; sum rate performance; Complexity theory; Correlation; MIMO; Matrix decomposition; Mobile communication; Optimal scheduling; Transmitters; Multiuser MIMO; Schedudling; Tomlinson-Harashima Precoding;
Conference_Titel :
Information Theory and Information Security (ICITIS), 2010 IEEE International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-6942-0
DOI :
10.1109/ICITIS.2010.5689662
