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Title: Comparison of single and multi-user pre-filtering techniques using different chip mapping for DL MC-CDMA systems
Author: Silva, Adão
Gameiro, Atílio
Keywords: Antenna accessories
Antenna arrays
Code division multiple access
Mobile antennas
Multicarrier modulation
Programming theory
Receiving antennas
Signal processing
Base stations
Joint space
Mapping strategies
MC-CDMA systems
Mobile terminal
Multi users
Single antenna
Turbo coding
UMTS specifications
Wireless communications
Conformal mapping
Issue Date: 2007
Publisher: IEEE
Abstract: In this paper we compare the performance of the joint space-frequency single and multi-user pre-filtering techniques that have been proposed recently for DL MC-CDMA systems. We consider the use of antenna arrays at the base station and a single antenna at the mobile terminal (MT). We investigate how the chip mapping strategy impacts on the performance of the pre-filtering approaches. Thus, practical combinations of prefiltering and chip mapping are discussed. The performance is evaluated for different chip mapping strategies, considering typical indoor and pedestrian scenarios and both uncoded data and channel turbo coding based on UMTS specifications. © 2007 IEEE.
Peer review: yes
DOI: 10.1109/SPAWC.2007.4401304
ISBN: 978-1-4244-0955-6
Appears in Collections:DETI - Comunicações

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