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 Multi-user frequency pre-filtering technique for MIMO SFBC MC-CDMA systems
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/5404

title: Multi-user frequency pre-filtering technique for MIMO SFBC MC-CDMA systems
authors: Silva, Adão
Silva, Elídio
Gameiro, Atílio
keywords: Antenna array
MC-CDMA
SFBC and pre-filtering
Antenna arrays
Antennas
Block codes
Code division multiple access
Computational complexity
MIM devices
Mobile telecommunication systems
Multicarrier modulation
Multiplexing
Port terminals
Programming theory
Radio interference
Semiconductor counters
Wireless telecommunication systems
Channel distortions
Down links
Filtering techniques
Frequency block codes
MC-CDMA
SFBC and pre-filtering
Spatial diversities
Transmitted signals
Umts specifications
UNCODED
User terminals
Very low complexities
Multiple access interference
issue date: 2008
publisher: IEEE
abstract: This paper deals with downlink space-frequency block coding (SFBC) with a multi-user pre-filtering technique for MIMO MC-CDMA systems. We consider the use of an antenna array at both the base station (BS) and the user terminal (UT). The space-frequency block codes allow that the spatial diversity be efficiently exploited and the linear multi-user frequency pre-filtering technique modulates the transmitted signal to eliminate the effects of multiple access interference (MAI) and channel distortions at the user terminals. The aim of this technique is to transfer the most computational complexity from UT to the BS, keeping the first one at very low complexity. The performance of the proposed scheme is evaluated, considering typical pedestrian scenario and both uncoded data and channel turbo coding based on UMTS specifications. © 2008 IEEE.
URI: http://hdl.handle.net/10773/5404
ISBN: 978-0-7695-3371-1
publisher version/DOI: http://dx.doi.org/10.1109/ICSNC.2008.52
source: ICSNC '08: 3rd Int. Conf. Systems and Networks Communications
appears in collectionsDETI - Comunicações

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