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 MIMO-OFDM channel estimation: a pilot sequence design for time-domain processing
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/8180

title: MIMO-OFDM channel estimation: a pilot sequence design for time-domain processing
authors: Ribeiro, C.
Gameiro, A.
keywords: OFDM
MIMO
pilot-aided channel estimation
pilot sequence design
time-domain processing
issue date: 2008
abstract: A pilot sequence design for MIMO-OFDM systems is investigated where all transmit antennas share the same sub-carriers to convey pilot symbols. The pilot sequences are endowed with phase-shifting properties, granting the receiver the possibility of extracting the impulse responses for all channels directly from the antennas’ time-domain received signals, without co-channel interference. A linear processing of the timedomain samples is all that is needed to get the channel impulse responses, resulting in an algorithm with very low computational load. The feasibility of the investigated method is substantiated by system simulation using indoor and outdoor broadband wireless channel models.
URI: http://hdl.handle.net/10773/8180
publisher version/DOI: http://www.winsys.icete.org/WINSYS2008/
source: WINSYS 2008: International Conference on Wireless Information Networks and Systems
appears in collectionsDETI - Comunicações

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