Identification of active users in synchronous CDMA multiuser detection.

The level of multiple access interference (MAI) in code division multiple access (CDMA) communication systems is a time-varying parameter related to the number of active users. Almost all existing multiuser detection schemes were designed based on a priori information of the active users. In many si...

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গ্রন্থ-পঞ্জীর বিবরন
প্রকাশিত:	IEEE Journal on selected areas in communications 16, 9 (1998).
প্রধান লেখক:	Wei-Chiang Wu
বিন্যাস:	প্রবন্ধ
ভাষা:	English
বিষয়গুলি:	DS-CDMA communication systems. Gaussian noise. MUSIC algorithm. Active users identification. Asymptotically near-far resistant preprocessor. Code division multiple access. Decorrelating detector. Higher order statistics. Imperfect identification. Multiple access interference. Multiple signal classification. Multiuser receiver. Near-far environment. Observation interval. Performance. Postprocessing. Preprocessing. Signature sequences. Subspace concept. Synchronous CDMA multiuser detection. Time-varying parameter. Two-stage detection structure.