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Paper Abstract and Keywords
Presentation 2017-04-24 11:20
Efficient Radio Access for Massive Machine-Type Communication -- Studies of Successive Interference Cancellation and Parallel Interference Cancellation --
Masafumi Moriyama, Kenichi Takizawa, Hayato Tezuka, Masayuki Oodo, Changwoo Pyo, Homare Murakami, Kentaro Ishidu, Fumihide Kojima (NICT) RCS2017-5
Abstract (in Japanese) (See Japanese page) 
(in English) A rapid increase of uplink traffic is predicted with the spread of IoT (Internet of Things) devices. The 5G (5th generation mobile communications systems) requires that base stations effectively receive small-size packets but massive uplink signals transmitted by the IoT devices. To solve this problem, we have researched and developed techniques to increase number of devices that one base station can accumulate and to decrease delay time. In this paper, we propose an identification technique, a channel estimation method and ISCTs (Interference Suppuration and Cancellation Techniques) to realize massive connection and low latency communication. The ISCTs in this paper consist of SIC (Successive Interference Cancellation) and PIC (Parallel Interference Cancellation). These performances between the SIC and the PIC are compared by computer simulation. As the results of the simulation, we found that signal separation performance of the PIC is superior to that of the SIC since PIC can separate received signals in low SIR (Signal to Interference Ratio), which means difference between received power of each device.
Keyword (in Japanese) (See Japanese page) 
(in English) IoT / Massive Devices / LTE / Random Access / Contention Based Communication / Low Latency / Grant Free / Interference Cancellation  
Reference Info. IEICE Tech. Rep., vol. 117, no. 11, RCS2017-5, pp. 23-28, April 2017.
Paper # RCS2017-5 
Date of Issue 2017-04-17 (RCS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 RCS  
Conference Date 2017-04-24 - 2017-04-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Kotohira Onsen Kotosankaku 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Radio Access Technologies, etc. 
Paper Information
Registration To RCS 
Conference Code 2017-04-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Efficient Radio Access for Massive Machine-Type Communication 
Sub Title (in English) Studies of Successive Interference Cancellation and Parallel Interference Cancellation 
Keyword(1) IoT  
Keyword(2) Massive Devices  
Keyword(3) LTE  
Keyword(4) Random Access  
Keyword(5) Contention Based Communication  
Keyword(6) Low Latency  
Keyword(7) Grant Free  
Keyword(8) Interference Cancellation  
1st Author's Name Masafumi Moriyama  
1st Author's Affiliation National Institute of Information and Communication Technology (NICT)
2nd Author's Name Kenichi Takizawa  
2nd Author's Affiliation National Institute of Information and Communication Technology (NICT)
3rd Author's Name Hayato Tezuka  
3rd Author's Affiliation National Institute of Information and Communication Technology (NICT)
4th Author's Name Masayuki Oodo  
4th Author's Affiliation National Institute of Information and Communication Technology (NICT)
5th Author's Name Changwoo Pyo  
5th Author's Affiliation National Institute of Information and Communication Technology (NICT)
6th Author's Name Homare Murakami  
6th Author's Affiliation National Institute of Information and Communication Technology (NICT)
7th Author's Name Kentaro Ishidu  
7th Author's Affiliation National Institute of Information and Communication Technology (NICT)
8th Author's Name Fumihide Kojima  
8th Author's Affiliation National Institute of Information and Communication Technology (NICT)
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Speaker Author-1 
Date Time 2017-04-24 11:20:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2017-5 
Volume (vol) vol.117 
Number (no) no.11 
Page pp.23-28 
#Pages
Date of Issue 2017-04-17 (RCS) 


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