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Paper Abstract and Keywords
Presentation 2004-07-16 16:10
A study on Interference suppression using Adaptive Multipath Control Technique
Masaaki Yamanaka (Hiroshima International Univ.), Seiichi Sampei (Osaka Univ.), Norihiko Morinaga (Hiroshima International Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes an adaptive multipath control technique using window size controlled wide null creation technique (WNCT) for the adaptive array antenna (AAA) systems in rich scattering channel conditioned broadband wireless communication systems. In the proposed scheme, deep null creation technique (DNCT) and WNCT are employed to create antenna directivity for transmission so that unwanted radiation to the adjacent sectors or cells can be suppressed. Moreover, to efficiently utilize small number of degree of freedom of the AAA under rich scattering channel conditions, we will introduce an window size control technique in the WNCT by which we can create wider null to a direction of interference cluster with strong and large angle spread. Computer simulation confirms that WNCT with the proposed window controlling technique can achieve higher carrier to interference plus noise power ratio (CINR) than the original WNCT in the uplink.
Keyword (in Japanese) (See Japanese page) 
(in English) interference suppression / adaptive array antenna / adaptive multipath controlling / degree of freedom / angle spread / / /  
Reference Info. IEICE Tech. Rep., vol. 104, no. 186, RCS2004-119, pp. 71-76, July 2004.
Paper # RCS2004-119 
Date of Issue 2004-07-09 (RCS, NS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Conference Information
Committee RCS NS  
Conference Date 2004-07-15 - 2004-07-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Hiroshima International Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2004-07-RCS-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on Interference suppression using Adaptive Multipath Control Technique 
Sub Title (in English)  
Keyword(1) interference suppression  
Keyword(2) adaptive array antenna  
Keyword(3) adaptive multipath controlling  
Keyword(4) degree of freedom  
Keyword(5) angle spread  
1st Author's Name Masaaki Yamanaka  
1st Author's Affiliation Hiroshima International University (Hiroshima International Univ.)
2nd Author's Name Seiichi Sampei  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Norihiko Morinaga  
3rd Author's Affiliation Hiroshima International University (Hiroshima International Univ.)
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Date Time 2004-07-16 16:10:00 
Presentation Time 20 
Registration for RCS 
Paper # IEICE-RCS2004-119,IEICE-NS2004-83 
Volume (vol) IEICE-104 
Number (no) no.186(RCS), no.184(NS) 
Page pp.71-76 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2004-07-09,IEICE-NS-2004-07-09 

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