Please use this identifier to cite or link to this item: http://hdl.handle.net/10773/8157
Title: Frequency shift based multiple access interference canceller for multirate UMTS-TDD systems
Author: Gonçalves, L.
Gameiro, A.
Keywords: cyclostationary
redundant
frequency shift
PIC
DS-CDMA
Issue Date: 2002
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 frequency domain canceller operates in the spreaded signal in such way that the interference and noise at its output is minimized (Minimum Mean Squared Error Criterium). The performance is evaluated in two con gurations: 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.
Peer review: yes
URI: http://hdl.handle.net/10773/8157
DOI: 10.1109/PIMRC.2002.1046517
ISBN: 0-7803-7589-0
Publisher Version: http://www.scopus.com/inward/record.url?eid=2-s2.0-27744514500&partnerID=40&md5=2b338f47b20b79c05692cb1b859640e5
Appears in Collections:DETI - Comunicações

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