Closed-form BER results for multiple-chip-rate CDMA systems based on the simplified improved Gaussian approximation

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We consider very general code-division-multiple-access (CDMA) systems, namely multiple-chip-rate CDMA systems, where signals can be transmitted at different chip rates, carrier frequencies, processing gains, and transmitted powers to satisfy the given quality of service (QoS) requirements. Also, non-zero and possibly different carrier frequency offsets are assumed for different users. For these systems, a closed-form bit error rate (BER) expression is derived based on the simplified improved Gaussian approximation. Numerical result demonstrates that the proposed method provides much more accurate BER values compared to the standard Gaussian approximation.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2008
Language
English
Article Type
Article; Proceedings Paper
Keywords

ERROR PROBABILITIES; PERFORMANCE EVALUATION; ACCURATE METHOD; COMMUNICATION

Citation

IEEE TRANSACTIONS ON COMMUNICATIONS, v.56, no.1, pp.14 - 20

ISSN
0090-6778
DOI
10.1109/TCOMM.2008.050565
URI
http://hdl.handle.net/10203/5435
Appears in Collection
EE-Journal Papers(저널논문)
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