Title :
A low-complexity 3-stage parallel interference cancellation receiver (LCPIC) for DS-CDMA cellular systems
Author :
Huang, Chao-Wang ; Wen, Kuei-Ann
Author_Institution :
Wireless Commun. Lab., Nat. Chiao Tung Univ., Hsinchu, Taiwan
fDate :
6/23/1905 12:00:00 AM
Abstract :
A low complexity 3-stage parallel interference cancellation (LCPIC) receiver for DS-CDMA cellular systems is proposed and analyzed. Based on numerical analyses, the power efficiency of the LCPIC receiver is close to that of the 3-stage PIC receiver and better than that of the 2-stage PIC receiver in AWGN with either perfect power control or log-normal power control error. In addition, the near-far resistance of the LCPIC, 2-stage, 3-stage PIC, and SIC receivers are analogous since their performances are undistinguishable in near-far channels. Still more, the computational complexity, which is in terms of the needs of flops per bit decision, of the LCPIC receiver is much less than that of the 3-stage PIC receiver and only a little more than that of the 2-stage PIC receiver
Keywords :
AWGN channels; cellular radio; code division multiple access; interference suppression; log normal distribution; power control; radio receivers; spread spectrum communication; telecommunication control; AWGN; DS-CDMA; LCPIC receiver; cellular systems; computational complexity; log-normal power control; low complexity 3-stage parallel interference cancellation; near-far channels; near-far resistance; numerical analyses; perfect power control; performance; power efficiency; spread spectrum technique; AWGN; Chaotic communication; Computational complexity; Error correction; Interference cancellation; Multiaccess communication; Multiple access interference; Multiuser detection; Power control; Wireless communication;
Conference_Titel :
Vehicular Technology Conference, 2001. VTC 2001 Fall. IEEE VTS 54th
Conference_Location :
Atlantic City, NJ
Print_ISBN :
0-7803-7005-8
DOI :
10.1109/VTC.2001.956893
