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| Presentation | 2016-05-19 13:30 Study on Coverage Enhancement of Uplink Data Channel for 3GPP Narrowband IoT Tetsuya Yamamoto (Panasonic), Ryoko Kawauchi (PSNRD), Hidetoshi Suzuki (Panasonic)  IN2016-5 RCS2016-27 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In 3rd Generation Partnership Project (3GPP), Narrowband Internet of Things (NB-IoT) has been discussed in order to efficiently support the use cases of massive machine type communication such as smart metering. The objectives of NB-IoT are ultra low device cost, low device power consumption, support for massive number of devices, and improved indoor coverage. In NB-IoT, repetition over multiple subframes is one of necessary solutions to improve coverage. In addition, the multiple subframe channel estimation technique, which combines demodulation reference signals (DMRSs) over multiple subframes in order to improve received signal-to-noise power ratio, can be applied assuming NB-IoT devices are operated in quasi-static fading channel environment. However, it is expected that to combine larger number of DMRSs could face the issue on frequency error. In this paper, we show the impact of frequency error on multiple subframe channel estimation for NB-IoT uplink data transmission. We also study the repetition methods which can suppress the impact of frequency error. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | NB-IoT / uplink / channel estimation / repetition / frequency offset / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 46, RCS2016-27, pp. 19-24, May 2016. | |
| Paper # | RCS2016-27 | |
| Date of Issue | 2016-05-12 (IN, 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 | IN2016-5 RCS2016-27 |
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| Conference Information | |
| Committee | IN RCS |
| Conference Date | 2016-05-19 - 2016-05-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2016-05-IN-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study on Coverage Enhancement of Uplink Data Channel for 3GPP Narrowband IoT |
| Sub Title (in English) | |
| Keyword(1) | NB-IoT |
| Keyword(2) | uplink |
| Keyword(3) | channel estimation |
| Keyword(4) | repetition |
| Keyword(5) | frequency offset |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Tetsuya Yamamoto |
| 1st Author's Affiliation | Panasonic Corporation (Panasonic) |
| 2nd Author's Name | Ryoko Kawauchi |
| 2nd Author's Affiliation | Panasonic System Networks R&D Lab. Co. Ltd. (PSNRD) |
| 3rd Author's Name | Hidetoshi Suzuki |
| 3rd Author's Affiliation | Panasonic Corporation (Panasonic) |
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| Speaker | Author-1 |
| Date Time | 2016-05-19 13:30:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | IN2016-5, RCS2016-27 |
| Volume (vol) | vol.116 |
| Number (no) | no.45(IN), no.46(RCS) |
| Page | pp.25-30(IN), pp.19-24(RCS) |
| #Pages | 6 |
| Date of Issue | 2016-05-12 (IN, RCS) |
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