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Paper Abstract and Keywords
Presentation 2014-04-17 11:10
Cell Search Time Performance Using Local Cell-Specific Synchronization Signal Assignments for Heterogeneous Networks
Naoki Noguchi (Tokyo City Univ.), Satoshi Nagata (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) RCS2014-2
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes local cell cluster-specific primary synchronization signal (PSS) sequence assignment and local cell-specific secondary synchronization signal (SSS) sequence assignment schemes for orthogonal frequency division multiple access (OFDMA) heterogeneous networks. The proposed synchronization signal (SS) sequences are based on those of the Long-Term Evolution (LTE) radio interface. We investigate the effects of the proposed SS sequence assignments from the viewpoint of the initial cell search time for various inter-cell site synchronization modes based on system-level simulations. We show that the local cell cluster-specific PSS sequence assignment achieves fast cell search time performance that is almost the identical level to that assuming the cell arrangement with a macrocell only. We show, moreover, that the = 84 local cell-specific SSS sequence assignment shortens the cell search time at the cumulative distribution of greater than 95 % slightly compared to that of the conventional 168 SSS sequence assignment for both macro and local cells when the local cell cluster contains 5 – 7 picocells.
Keyword (in Japanese) (See Japanese page) 
(in English) cell search / LTE / synchronization signal / heterogeneous network / overlaid cell structure / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 8, RCS2014-2, pp. 7-12, April 2014.
Paper # RCS2014-2 
Date of Issue 2014-04-10 (RCS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF RCS2014-2

Conference Information
Committee RCS  
Conference Date 2014-04-17 - 2014-04-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Radio Access Technologies, etc. 
Paper Information
Registration To RCS 
Conference Code 2014-04-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Cell Search Time Performance Using Local Cell-Specific Synchronization Signal Assignments for Heterogeneous Networks 
Sub Title (in English)  
Keyword(1) cell search  
Keyword(2) LTE  
Keyword(3) synchronization signal  
Keyword(4) heterogeneous network  
Keyword(5) overlaid cell structure  
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Keyword(7)  
Keyword(8)  
1st Author's Name Naoki Noguchi  
1st Author's Affiliation Tokyo City University (Tokyo City Univ.)
2nd Author's Name Satoshi Nagata  
2nd Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
3rd Author's Name Mamoru Sawahashi  
3rd Author's Affiliation Tokyo City University (Tokyo City Univ.)
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Speaker Author-1 
Date Time 2014-04-17 11:10:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2014-2 
Volume (vol) vol.114 
Number (no) no.8 
Page pp.7-12 
#Pages 6 
Date of Issue 2014-04-10 (RCS) 

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