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Paper Abstract and Keywords
Presentation 2014-11-13 13:50
A Study on the Baseband Signal Compression and Transmission Technologies for Enhancing Transfer Efficiency in C-RAN Fronthaul Link
Akira Agata, Shinobu Nanba, Masayuki Oishi, Keiji Tanaka (KDDI R&D Labs.), Akihiro Maruta, Ken-ichi Kitayama (Osaka Univ.) OCS2014-86
Abstract (in Japanese) (See Japanese page) 
(in English) Centralized Radio Access Network (C-RAN) architecture has been considered as a promising solution to enhance the LTE signal quality. In this architecture, each antenna sites are connected to a central office by optical fibers which convey the digital I/Q data. This paper proposes a novel IQ data compression scheme which can achieve 50 % compression without severely degrading the LTE signal quality. The proposed compression scheme can be easily implemented by using both downsampling and nonlinear quantization techniques. In addition, the impact of the proposed scheme is investigated in C-RAN requiring 20-Gbit/s transmission rate. We confirmed that the proposed scheme was found to be indispensable for achieving 20-km transmissions with keeping the required LTE quality.
Keyword (in Japanese) (See Japanese page) 
(in English) C-RAN / Fronthaul / Fata compression / Optical access / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 300, OCS2014-86, pp. 19-24, Nov. 2014.
Paper # OCS2014-86 
Date of Issue 2014-11-06 (OCS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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)
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Conference Information
Committee ITE-BCT OCS OFT IEE-CMN  
Conference Date 2014-11-13 - 2014-11-14 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OCS 
Conference Code 2014-11-BCT-OCS-OFT-CMN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on the Baseband Signal Compression and Transmission Technologies for Enhancing Transfer Efficiency in C-RAN Fronthaul Link 
Sub Title (in English)  
Keyword(1) C-RAN  
Keyword(2) Fronthaul  
Keyword(3) Fata compression  
Keyword(4) Optical access  
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1st Author's Name Akira Agata  
1st Author's Affiliation KDDI R&D Laboratories Inc. (KDDI R&D Labs.)
2nd Author's Name Shinobu Nanba  
2nd Author's Affiliation KDDI R&D Laboratories Inc. (KDDI R&D Labs.)
3rd Author's Name Masayuki Oishi  
3rd Author's Affiliation KDDI R&D Laboratories Inc. (KDDI R&D Labs.)
4th Author's Name Keiji Tanaka  
4th Author's Affiliation KDDI R&D Laboratories Inc. (KDDI R&D Labs.)
5th Author's Name Akihiro Maruta  
5th Author's Affiliation Osaka University (Osaka Univ.)
6th Author's Name Ken-ichi Kitayama  
6th Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2014-11-13 13:50:00 
Presentation Time 25 minutes 
Registration for OCS 
Paper # OCS2014-86 
Volume (vol) vol.114 
Number (no) no.300 
Page pp.19-24 
#Pages
Date of Issue 2014-11-06 (OCS) 


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