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 Frequency shift based multiple access interference canceller for DS-CDMA systems
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/5417

title: Frequency shift based multiple access interference canceller for DS-CDMA systems
authors: Gonçalves, Luís
Silva, Adão
Gameiro, Atílio
keywords: Cyclostationary
Frequency shift
Code division multiple access
Frequency shift keying
Interference suppression
Least squares approximations
Spurious signal noise
Frequency domain canceller
Frequency shift canceller
Minimum mean squared error criterium
Multiple access interference canceller
Parallel interference canceller
Universal mobile telecommunication systems
Direct sequence systems
issue date: 2001
publisher: IEEE
abstract: The cyclostationary properties of Direct Sequence Spread Spectrum signals are well known. These cyclostationary properties imply a redundancy between frequency components separated by multiples of the symbol rate. In this paper we present a Multiple Access Interference Canceller that explores this property and applies to UMTS-TDD. This frequency domain Canceller acts in the spreaded signal in such way that minimizes the interference and noise at its output (Minimum Mean Squared Error Criterium). The performance is evaluated in two detector configurations: one including the Frequency Shift Canceller (FSC) and the other plus a Parallel Interference Canceller (PIC). The results are benchmarked against the performance of the conventional RAKE detector and the conventional PIC detector.
URI: http://hdl.handle.net/10773/5417
ISBN: 0-7803-7005-8
publisher version/DOI: http://dx.doi.org/10.1109/VTC.2001.957195
source: VTC 2001 Fall: IEEE 54th Vehicular Technology Conference Vehicular Technology Conference
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