Power control requirements in linear decorrelating detectors for CDMA
Zheng, F.-C. and Faulkner, M. (1997) Power control requirements in linear decorrelating detectors for CDMA. In: IEEE 47th vehicular technology conference. IEEE Press, pp. 213-217. ISBN 0780336593
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To link to this article DOI: 10.1109/VETEC.1997.596350
This paper addresses the effects of synchronisation errors (time delay, carrier phase, and carrier frequency) on the performance of linear decorrelating detectors (LDDs). A major effect is that all LDDs require certain degree of power control in the presence of synchronisation errors. The multi-shot sliding window algorithm (SLWA) and hard decision method (HDM) are analysed and their power control requirements are examined. Also, a more efficient one-shot detection scheme, called “hard-decision based coupling cancellation”, is proposed and analysed. These schemes are then compared with the isolation bit insertion (IBI) approach in terms of power control requirements.
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