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| Presentation | 2015-05-22 09:30 Low frequency and small communications in dense small cells Takahiko Yamada, Toshikazu Nishimura (Ritsumeikan Univ.)  RCS2015-33 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper discusses tiny communications in a campus net, in which small-cells are densely laid. The radius of those cells is about 10m, and they use beamforming millimeter radio. The main target of the campus net is an integration of telephone and computer net with cellular network. Dense small-cells allow ubiquitous tiny communications by low power simple terminals like sensor nodes in the campus area. Supposing use of 3GLTE protocol, small-cells need no synchronization process before communications even after long sleep since the turn around delay between the base station and any terminals in a cell is far smaller than CP (Cyclic Prefix) for the symbol terms. For upward communications, slotted alpha access means are given to tiny communications. The slot means radio resource in PDSCH which is defined by an ID (RNTI in 3GLTE protocol) given to a group not to terminals. Any terminal can put data to a slot at its will. The network can be very flexible since appearing frequency and size of slots can be modified depending on traffic. In base stations, bit-based processing to each frame is executed with no regard to specific terminal. Typical one is ACK processing for success of data transfer. In addition to the LTE functions, TCE (Tiny Communication Entity) is provided, where processing is done with regard to specific terminal. For down ward communications, data are once stored in TCE, and terminals try to read them, since terminals of those tiny communications are usually in power off. Terminals can restart communications at any cell when they move to other cell, though handover is not included since terminal dependent processing is not conducted in eNodeB. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | LAN / Cellular network / Small cell / Millimeter wave, / Tiny communications, / 3GLTE / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 43, RCS2015-33, pp. 49-54, May 2015. | |
| Paper # | RCS2015-33 | |
| Date of Issue | 2015-05-14 (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 | RCS2015-33 |
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| Conference Information | |
| Committee | RCS IN |
| Conference Date | 2015-05-21 - 2015-05-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wireless Internet, Multi-hop network, Mesh network, Network coding, Cross layer technique, Wireless communication, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2015-05-RCS-IN |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Low frequency and small communications in dense small cells |
| Sub Title (in English) | |
| Keyword(1) | LAN |
| Keyword(2) | Cellular network |
| Keyword(3) | Small cell |
| Keyword(4) | Millimeter wave, |
| Keyword(5) | Tiny communications, |
| Keyword(6) | 3GLTE |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Takahiko Yamada |
| 1st Author's Affiliation | Ritsumeikan University (Ritsumeikan Univ.) |
| 2nd Author's Name | Toshikazu Nishimura |
| 2nd Author's Affiliation | Ritsumeikan University (Ritsumeikan Univ.) |
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| Speaker | Author-1 |
| Date Time | 2015-05-22 09:30:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2015-33 |
| Volume (vol) | vol.115 |
| Number (no) | no.43 |
| Page | pp.49-54 |
| #Pages | 6 |
| Date of Issue | 2015-05-14 (RCS) |
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