DocumentCode :
428003
Title :
Low-rank pilot-symbol-aided channel estimation for MIMO-OFDM systems [mobile radio]
Author :
Lee, Chang Dong ; Kwak, Jin Sam ; Lee, Jae Hong
Author_Institution :
Sch. of Electr. Eng. & Comput. Sci., Seoul Nat. Univ., South Korea
Volume :
1
fYear :
2004
fDate :
26-29 Sept. 2004
Firstpage :
469
Abstract :
In this paper, we propose a low-rank pilot-symbol-aided (PSA) channel estimator for multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems. Group-wise pilot patterns are also proposed for the low-rank channel estimator. We evaluate the performance of the proposed low-rank channel estimator for various mobile channel environments by computer simulation. It is shown than the proposed channel estimator has better performance than the conventional 2D PSA channel estimator without increase of computational complexity and pilot overhead.
Keywords :
MIMO systems; OFDM modulation; channel estimation; least mean squares methods; mobile radio; MIMO; MIMO-OFDM systems; MMSE estimation; OFDM; PSA channel estimator; group-wise pilot patterns; low-rank pilot-symbol-aided channel estimation; mobile channel environments; Channel estimation; Computational complexity; Computer science; Fading; Frequency estimation; Frequency response; MIMO; OFDM; Receiving antennas; Transmitting antennas;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Vehicular Technology Conference, 2004. VTC2004-Fall. 2004 IEEE 60th
ISSN :
1090-3038
Print_ISBN :
0-7803-8521-7
Type :
conf
DOI :
10.1109/VETECF.2004.1400050
Filename :
1400050
Link To Document :
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