A unified analysis for coded DS-CDMA with equal-gain chip combining in the downlink of OFDM systems
Artikel i vetenskaplig tidskrift, 2005

This paper presents a novel unified analysis for the bit-error rate in the downlink of convolutionally coded and single-user detected multicarrier code-division multiple access (CDMA), multicarrier direct-sequence CDMA, time and frequency-domain spreading CDMA, and orthogonal frequency-division multiple access. Performance is analyzed under the assumption of Hadamard spreading codes, equal-gain chip combining, and a highly correlated frequency-selective Rayleigh-fading channel. Closed-form expressions are presented for the cumulative distribution function, probability distribution function, and moment-generating function for the signal-to-noise plus interference ratio after despreading. The presented results assume error-free channel estimates, a perfectly synchronized receiver, and are found to reasonably well agree with simulation results. © 2005 IEEE.

ofdm

cdma

Författare

Anders Persson

Chalmers, Signaler och system, Kommunikations- och antennsystem, Kommunikationssystem

Tony Ottosson Gadd

Chalmers, Signaler och system, Kommunikations- och antennsystem, Kommunikationssystem

Erik Ström

Chalmers, Signaler och system, Kommunikations- och antennsystem, Kommunikationssystem

IEEE Transactions on Communications

0090-6778 (ISSN)

Vol. 53 2 289-298

Ämneskategorier

Data- och informationsvetenskap

DOI

10.1109/TCOMM.2004.841987

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Skapat

2017-10-07