Title :
Asymptotic spectral efficiency of LMMSE multi-user multi-signature MC-CDMA in frequency-selective Rayleigh fading
Author :
Peacock, Matthew J M ; Collings, Iain B. ; Honig, Michael L.
Author_Institution :
Sch. of Electr. & Inf. Eng., Sydney Univ., NSW, Australia
Abstract :
We present an asymptotic analysis of a multi-signature multi-carrier CDMA communications system. Such a system is suited to scalable data rate services with decentralized control. Specifically, we derive the asymptotic SINR at the output of a multi-user linear minimum mean squared error (LMMSE) receiver and the asymptotic sum spectral efficiency of both the LMMSE and optimal receivers. Simulation studies demonstrate that the asymptotic results closely predict the performance of practical finite systems.
Keywords :
Rayleigh channels; broadband networks; code division multiple access; least mean squares methods; multiuser detection; radio receivers; asymptotic SINR; broadband wireless networks; linear MMSE; multi-signature MC-CDMA; multi-user MC-CDMA; multiuser receiver; spectral efficiency; Fading; Frequency; H infinity control; Information analysis; Multiaccess communication; Multicarrier code division multiple access; OFDM; Predictive models; Rayleigh channels; Signal to noise ratio;
Conference_Titel :
Global Telecommunications Conference, 2003. GLOBECOM '03. IEEE
Print_ISBN :
0-7803-7974-8
DOI :
10.1109/GLOCOM.2003.1258565
