Title :
Performance analysis for blind multi-user detection based on subspace method in TH-UWB systems
Author :
Hui-Qi Wang ; Hong Ma
Author_Institution :
Dept. of Math., Sichuan Univ., Chengdu
Abstract :
In this paper, the TH-PAM UWB system model is refined to account more completely for the structure of the blind multi-user detection (MUD) based on subspace tracking in CDMA system firstly. Then, a blind MMSE MUD algorithm is proposed. And the factors affecting the detector performance are analyzed in details by the theory analysis and computer simulations. Finally, the results demonstrate that the detector performs better than the conventional DMI detector. It can be proposed as a viable solution for high-speed indoor short range wireless communication systems.
Keywords :
code division multiple access; least mean squares methods; multiuser detection; ultra wideband communication; CDMA system; TH-UWB systems; blind MMSE MUD algorithm; blind multiuser detection; high-speed indoor short range wireless communication systems; subspace method; subspace tracking; ultra-wideband communication systems; Additive white noise; Autocorrelation; Chromium; Detectors; Gaussian noise; Mathematics; Multiuser detection; Performance analysis; Ultra wideband technology; Wireless communication; DMI-detector; MUD; SUB-detector; UWB;
Conference_Titel :
Communication Technology, 2008. ICCT 2008. 11th IEEE International Conference on
Conference_Location :
Hangzhou
Print_ISBN :
978-1-4244-2250-0
Electronic_ISBN :
978-1-4244-2251-7
DOI :
10.1109/ICCT.2008.4716211
