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Sixth IEEE Symposium on Computers and Communications (ISCC'01)
Perturbation Methods for Canceling Multi-user Interference
Hammamet, Tunisia
July 03-July 05
ISBN: 0-7695-1177-5
Chun Chian Lu, Computer and Communication Research Laboratory, ITRI
Abstract: Based on perturbation theory, formulas for multi-user detection in CDMA systems are derived. Starting from the single user detection and applying iterative perturbations to correct for interference, we obtain better linear combination amplitudes for codes of the multi-user waveform and hence lower bit error rate (BER). The computation complexity is reduced to the minimum by calculating the interference in frames and sliding 3-symbol-window for all users.
Citation:
Chun Chian Lu, "Perturbation Methods for Canceling Multi-user Interference," iscc, pp.0204, Sixth IEEE Symposium on Computers and Communications (ISCC'01), 2001
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