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Algorithms 2017, 10(1), 3; doi:10.3390/a10010003

A Pilot-Pattern Based Algorithm for MIMO-OFDM Channel Estimation

1
School of Communication and Information Engineering, Xi’an University of Science and Technology, No. 58 Yanta Middle Road, Xi’an 710054, China
2
National Key Lab for Radar Signal Processing, Xidian University, No. 266 Xifeng Road, Xi’an 710071, China
*
Author to whom correspondence should be addressed.
Academic Editor: Hsiung-Cheng Lin
Received: 12 September 2016 / Revised: 7 December 2016 / Accepted: 13 December 2016 / Published: 28 December 2016
View Full-Text   |   Download PDF [1103 KB, uploaded 28 December 2016]   |  

Abstract

An improved pilot pattern algorithm for facilitating the channel estimation in multiple input multiple output-orthogonal frequency division multiplexing (MIMO-OFDM) systems is proposed in this paper. The presented algorithm reconfigures the parameter in the least square (LS) algorithm, which belongs to the space-time block-coded (STBC) category for channel estimation in pilot-based MIMO-OFDM system. Simulation results show that the algorithm has better performance in contrast to the classical single symbol scheme. In contrast to the double symbols scheme, the proposed algorithm can achieve nearly the same performance with only half of the complexity of the double symbols scheme. View Full-Text
Keywords: MIMO; OFDM; channel estimation; least square; pilot MIMO; OFDM; channel estimation; least square; pilot
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Li, G.; Liao, G. A Pilot-Pattern Based Algorithm for MIMO-OFDM Channel Estimation. Algorithms 2017, 10, 3.

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