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Multi-user detection for DS-CDMA communications
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DOI：10.1109/35.544334.png)
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摘要
En 中文
Direct-sequence code-division multiple access (DS-CDMA) is a popular wireless technology. in DS-CDMA communications, all of the users' signals overlap in time and frequency and cause mutual interference. The conventional DS-CDMA detector follows a single-user detection strategy in which each user is detected separately without regard for the other users. A better strategy is multi-user detection, where information about multiple users is used to improve detection of each individual user. This article describes a number of important multi-user DS-CDMA detectors that have been proposed.
Keyword:
SPREAD-SPECTRUM
ACCESS CHANNELS
FADING CHANNELS
INTERFERENCE CANCELLATION
COCHANNEL INTERFERENCE
PARAMETER-ESTIMATION
OPTIMUM DETECTION
SIGNAL-DETECTION
CELLULAR CDMA
SYSTEM
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