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- W2143612324 abstract "We consider Code-division multiple- access (CDMA) systems with continuous phase mod- ulation (CPM). In particular, two multiuser detec- tion algorithms with linear computational complexity are proposed for a synchronous system. We demon- strate that the choice of an appropriate set of deci- sion statistics is crucial for detection and we derive an efficient representation. The analysis is performed .for two signal formats which exhibit different spec- tral and error rate characteristics. We determine the code design that maximizes the minimum Euclidean distance and show that the resulting CPM/CDMA signals cae achieve significant performance improve- ments oa JP' conventional CDMA signals. I. SIGNAL MODEL CPM/CDMA signals are an attractive choice for communica- tions over predominantly bandwidth and power limited chan- nels since they combine the merits of both techniques. In particular, CDMA offers a series of desirable properties that include increased capacity, inherent diversity against multi- path fading and the ability to coexist with narrowband inter- ference. CPM provides signals with compact spectral char- acteristics that maintain a constant envelope and hence are immune to nonlinear distortions and easily amplified (l). We consider a CPMICDMA system with K active users. The kth transmitted signal is given as" @default.
- W2143612324 created "2016-06-24" @default.
- W2143612324 creator A5051939521 @default.
- W2143612324 creator A5061405587 @default.
- W2143612324 date "2005-08-24" @default.
- W2143612324 modified "2023-09-26" @default.
- W2143612324 title "Linear Multiuser Detectors for Synchronous Code-Division Multiple-Access Systems with Continuous Phase Modulation" @default.
- W2143612324 cites W1498655039 @default.
- W2143612324 cites W969910093 @default.
- W2143612324 doi "https://doi.org/10.1109/isit.1995.550303" @default.
- W2143612324 hasPublicationYear "2005" @default.
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