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Successive parallel interference canceller for asynchronous multirate DS-CDMA systems

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2 Author(s)
Abrao, T. ; Dept. of Electr. Eng., Londrina State Univ., Brazil ; Jeszensky, P.J.E.

The multi-code (MC) multirate DS-CDMA (direct sequence-code division multiple access) transmission system's performance is analyzed, associated to a multistage parallel interference cancellation (MPIC) structure, MC-MPIC, with hyperbolic tangent decision device in the intermediate stages. Extensive Monte Carlo simulations (MCS) considering total and partial cancellation in additive white Gaussian noise (AWGN) and flat Rayleigh channels indicated great performance gain of the MC-MPIC structure when compared to the conventional MC detection. The results show the feasibility of the proposed structure for future third generation (3G) systems.

Published in:

Personal, Indoor and Mobile Radio Communications, 2002. The 13th IEEE International Symposium on  (Volume:5 )

Date of Conference:

15-18 Sept. 2002