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Paper Abstract and Keywords
Presentation 2016-06-23 09:40
On the Initial Interpolation Vector Setting for Iterative Time-Domain Compression Method of MIMO Channel State Information
Masato Ozeki, Kenichi Higuchi (Tokyo Univ. of Science) RCS2016-58
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we investigate the setting for initial interpolation vector in our previously reported iterative time-domain compression method of multiple-input multiple-output (MIMO) channel state information (CSI). The iterative MIMO-CSI compression method is based on the time-domain CSI compression with frequency-domain CSI bundling and interpolation for all combinations of transmitter and receiver antennas. How accurately the CSI compression is achieved is largely dependent on the initial setting for the interpolation between CSI of different antenna combinations. In our original work, simple linear interpolation is assumed although it is iteratively updated so that the resultant CSI error due to compression is reduced. In the paper, we propose new generation method of the initial interpolation vector, which reuse the actual frequency-domain CSI variation, in order to take into account the periodical channel variation in frequency domain. The numerical results show that the proposed method can further improve the accuracy of the compressed CSI or enhance the CSI compression capability of the original method.
Keyword (in Japanese) (See Japanese page) 
(in English) MIMO / beamforming / precoding / channel state information / CSI / compression / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 110, RCS2016-58, pp. 69-74, June 2016.
Paper # RCS2016-58 
Date of Issue 2016-06-15 (RCS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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Conference Information
Committee RCS  
Conference Date 2016-06-22 - 2016-06-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Univ. of the Ryukyus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) First Presentation in IEICE Technical Committee, Railroad Communications, Inter-Vehicle Communications, Road to Vehicle Communications, Resource Control, Scheduling, Wireless Communication Systems, etc. 
Paper Information
Registration To RCS 
Conference Code 2016-06-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) On the Initial Interpolation Vector Setting for Iterative Time-Domain Compression Method of MIMO Channel State Information 
Sub Title (in English)  
Keyword(1) MIMO  
Keyword(2) beamforming  
Keyword(3) precoding  
Keyword(4) channel state information  
Keyword(5) CSI  
Keyword(6) compression  
Keyword(7)  
Keyword(8)  
1st Author's Name Masato Ozeki  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
2nd Author's Name Kenichi Higuchi  
2nd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Speaker Author-1 
Date Time 2016-06-23 09:40:00 
Presentation Time 10 minutes 
Registration for RCS 
Paper # RCS2016-58 
Volume (vol) vol.116 
Number (no) no.110 
Page pp.69-74 
#Pages
Date of Issue 2016-06-15 (RCS) 


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