CDMA Systems Engineering Handbook
CDMA Systems Engineering Handbook
Chaotic Electronics in Telecommunications
Chaotic Electronics in Telecommunications
Performance of a Multiple Access Orthogonal Wavelet Division Multiplexing System
ICITA '05 Proceedings of the Third International Conference on Information Technology and Applications (ICITA'05) Volume 2 - Volume 02
ICITA '05 Proceedings of the Third International Conference on Information Technology and Applications (ICITA'05) Volume 2 - Volume 02
Fading mitigation in an interleaved noise-based DS-CDMA system for secure communications
SPPRA '08 Proceedings of the Fifth IASTED International Conference on Signal Processing, Pattern Recognition and Applications
IEEE Transactions on Wireless Communications
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This paper presents a theoretical model of a reverse CDMA link that uses noise-like spreading sequences in the case when AWGN and flat fading are present in the channel. It is known fact that the fading can be mitigated by the use of a block interleaver/deinterleaver structure. However, how to mitigate fading in a CDMA link that uses noise-like spreading sequences is not investigated and reported yet. For the proposed model, the expressions for the probability of error are derived and compared with the previously derived expression for the system that uses binary and non-binary chaotic sequences. It was shown that the degradation in the BER performances of the CDMA system in the presence of fading can be reduced applying interleaver/deinterleaver blocks to be close to the level of AWGN influence.