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| Presentation | 2015-03-04 10:15 Fast Cell Search Method Based on Frequency Offset Estimation for Heterogeneous Networks Using Separate Frequency Spectrum Naoki Noguchi (Tokyo City Univ.), Satoshi Nagata, Yoshihisa Kishiyama (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.)  RCS2014-304 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper proposes a fast cell search method based on frequency offset estimation for Long Term Evolution (LTE) heterogeneous networks using separate frequency spectrum between a macrocell and a small cell. In the proposed cell search method, we first measure the frequency error of a temperature compensated crystal oscillator (TCXO) of a user equipment (UE) and then the frequency offset for the high carrier frequency of a small cell employing the primary synchronization signal (PSS) with the 2-GHz carrier frequency of a macrocell. Based on the estimated frequency offset for the high carrier frequency, we estimate the correct PSS received timing after compensating the frequency offset for the received PSS for a small cell. System-level simulation results show that by using the proposed cell search method, the initial cell search time to achieve the cell ID detection probability of 96 % is within approximately 100 ms even for the high carrier frequency up to 6 GHz assuming the frequency error of 3 ppm for a TCXO of a UE. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Cell search / LTE / synchronization signal / heterogeneous networks / frequency offset / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 490, RCS2014-304, pp. 17-22, March 2015. | |
| Paper # | RCS2014-304 | |
| Date of Issue | 2015-02-25 (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 | RCS2014-304 |
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| Conference Information | |
| Committee | RCS SR SRW |
| Conference Date | 2015-03-04 - 2015-03-06 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tokyo Institute of Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Communication Workshop |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2015-03-RCS-SR-SRW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Fast Cell Search Method Based on Frequency Offset Estimation for Heterogeneous Networks Using Separate Frequency Spectrum |
| Sub Title (in English) | |
| Keyword(1) | Cell search |
| Keyword(2) | LTE |
| Keyword(3) | synchronization signal |
| Keyword(4) | heterogeneous networks |
| Keyword(5) | frequency offset |
| Keyword(6) | |
| 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 | Yoshihisa Kishiyama |
| 3rd Author's Affiliation | NTT DOCOMO, INC. (NTT DOCOMO) |
| 4th Author's Name | Mamoru Sawahashi |
| 4th Author's Affiliation | Tokyo City University (Tokyo City Univ.) |
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| Speaker | Author-1 |
| Date Time | 2015-03-04 10:15:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2014-304 |
| Volume (vol) | vol.114 |
| Number (no) | no.490 |
| Page | pp.17-22 |
| #Pages | 6 |
| Date of Issue | 2015-02-25 (RCS) |
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