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 Frequency domain equalizer for multirate UMTS-TDD systems
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/8307

title: Frequency domain equalizer for multirate UMTS-TDD systems
authors: Gonçalves, L.
Gameiro, A.
keywords: cyclostationary
frequency shift
issue date: 2003
publisher: IEEE
abstract: Direct-sequence spread spectrum (DS-SS) signals exhibit cyclostationary properties which 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 linear frequency domain canceller operates in the spreaded signal in such a way that the interference and noise at its output is minimized (minimum mean squared error criterium). The performance is evaluated in two configurations: one including the frequency shift canceller (FSC) and the other concatenated with 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/10773/8307
ISBN: 0-7803-7802-4
publisher version/DOI: http://dx.doi.org/10.1109/ICC.2003.1204036
source: ICC '03: IEEE International Conference on Communications
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