Title :
A computationally efficient hybrid of joint detection and successive interference cancellation
Author :
Misra, Raj M. ; Pan, Jung-Lin ; Zeira, Ariela
Author_Institution :
InterDigital Commun. Corp, Melville, NY, USA
Abstract :
We propose a multiuser detection (MUD) receiver that adaptively combines varying degrees of joint detection (JD) and successive interference cancellation (SIC). allowing a trade-off between complexity and performance. It arranges users of roughly similar power into groups and performs a group-wise JD to mitigate intersymbol interference (ISI) and multiple access interference (MAI) within each group. It removes MAI between groups via SIC. Analysis indicates that a complexity which is 60% to 30% that of JD is achievable while the performance is comparable to that of JD. Key applications include burst mode wideband-CDMA systems such as the 3rd generation time division duplex system
Keywords :
cellular radio; code division multiple access; computational complexity; interference suppression; intersymbol interference; radio receivers; signal detection; 3rd generation time division duplex system; ISI mitigation; W-CDMA; burst mode wideband-CDMA systems; complexity; intersymbol interference; joint detection; multiple access interference; multiuser detection; successive interference cancellation; Degradation; Delay; Fading; Interference cancellation; Intersymbol interference; Multiaccess communication; Multiple access interference; Multiuser detection; RAKE receivers; Silicon carbide;
Conference_Titel :
Vehicular Technology Conference, 2001. VTC 2001 Spring. IEEE VTS 53rd
Conference_Location :
Rhodes
Print_ISBN :
0-7803-6728-6
DOI :
10.1109/VETECS.2001.945001
