Modulatable orthogonal sequences and their application to SSMA systems
IEEE Transactions on Information Theory
On Schemes for Multriate Support in DS-CDMA Systems
Wireless Personal Communications: An International Journal
Decorrelating Detectors for a Dual Rate Synchronous DS/CDMA System
Wireless Personal Communications: An International Journal
Modern Wireless Communication
International Journal of Communication Systems
Performance of quasisynchronous scale time code division multiple access for AWGN channel
Computers and Electrical Engineering
Wireless Personal Communications: An International Journal
Performance of multi-processing gain QS-CDMA over AWGN and Rayleigh fading channels
Digital Signal Processing
Multiple-access interference reduction for QS-CDMA systems with a novel class of polyphase sequences
IEEE Transactions on Information Theory
IEEE Communications Magazine
IEEE Journal on Selected Areas in Communications
Multicarrier orthogonal CDMA signals for quasi-synchronous communication systems
IEEE Journal on Selected Areas in Communications
Performance of multi-processing gain QS-CDMA over AWGN and Rayleigh fading channels
Digital Signal Processing
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In this paper, we analyze the bit error rate performance of multi-processing gain quasi-synchronous (QS) code division multiple access (CDMA). Analysis is carried out for deterministic spreading sequences over additive white Gaussian noise (AWGN) and frequency selective slowly Rayleigh fading channels. We also find the bit error rate performance of multi-processing gain QS-CDMA for random spreading sequences and compare to that of deterministic spreading sequences. Results show that deterministic Gold codes outperform random codes considerably and perform differently for different rates while random codes give almost the same performance for all rates.