Title :
Energy efficiency of multiuser detection
Author :
Luo, Wei ; Ephremides, Anthony
Author_Institution :
Dept. of Electr. & Comput. Eng., Maryland Univ., College Park, MD, USA
Abstract :
We study the power consumption of several multiuser detectors in the power controlled DS-CDMA system. The matched-filter detector, linear MMSE detector, successive interference cancellation (SIC), and LMMSE-SIC are considered. Closed form analysis and numerical results show that by using a multiuser detector, system power consumption can significantly be reduced and the network capacity be increased
Keywords :
code division multiple access; energy conservation; filtering theory; interference suppression; least mean squares methods; matched filters; multiuser channels; power control; radiofrequency interference; signal detection; spread spectrum communication; telecommunication control; LMMSE-SIC; closed form analysis; energy efficiency; linear MMSE detector; matched-filter detector; multiple access channel; multiple access interference; multiuser detection; multiuser detectors; network capacity; power consumption; power controlled DS-CDMA system; successive interference cancellation; system power consumption; wireless CDMA system; Control systems; Detectors; Energy consumption; Energy efficiency; Interference cancellation; Matched filters; Multiaccess communication; Multiuser detection; Quality of service; Silicon carbide;
Conference_Titel :
Wireless Communications and Networking Conference, 1999. WCNC. 1999 IEEE
Conference_Location :
New Orleans, LA
Print_ISBN :
0-7803-5668-3
DOI :
10.1109/WCNC.1999.796792
