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| Presentation | 2011-03-03 09:40 Study on Influence of Channel Mismatch to Realize Cellular System with Dynamic Cell Forming Technology Kenzaburo Fujishima, Hitoshi Ishida, Yunjian Jia, Katsuhiko Tsunehara (Hitachi Ltd.,)  RCS2010-267 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Improving cell edge throughput has become important as well as peak data rate toward IMT- Advanced. Authors proposed dynamic cell forming technology which base station antennas are chosen optimally in aspects of propagation loss. The proposed technology can achieve that geographical Shannon capacity distribution is more flat and the cell edge throughput is 150% greater than conventional cellular systems. In this technical report, authors study a scheme of realization of proposed technology under the LTE specifications. The issue to be solved is that LTE specifications prevent arbitrary antennas selection across multiple cells for each mobile terminal. Authors assume system operation with single cell ID in order to solve the antennas selection issue. When the system is operated by single cell ID, the same pilot signal for downlink is transmitted by multiple antennas which provide different data signals. As a result, channel estimation error occurs due to channel mismatch between data signal and pilot signal. In this technical report, authors estimate the amount of throughput degradation due to channel mismatch. Authors estimate that mobile terminals can achieve 70% to 84% throughput against the condition of channel matching ideally. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Throughput / Channel mismatch / Distributed antenna system / Dynamic cell forming / Cellular system / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 433, RCS2010-267, pp. 115-120, March 2011. | |
| Paper # | RCS2010-267 | |
| Date of Issue | 2011-02-23 (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 | RCS2010-267 |
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| Conference Information | |
| Committee | RCS MoNA SR |
| Conference Date | 2011-03-02 - 2011-03-04 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | YRP |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Communication Workshop |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2011-03-RCS-MoMuC-SR |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study on Influence of Channel Mismatch to Realize Cellular System with Dynamic Cell Forming Technology |
| Sub Title (in English) | |
| Keyword(1) | Throughput |
| Keyword(2) | Channel mismatch |
| Keyword(3) | Distributed antenna system |
| Keyword(4) | Dynamic cell forming |
| Keyword(5) | Cellular system |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kenzaburo Fujishima |
| 1st Author's Affiliation | Central Research Laboratories, Hitachi, Ltd. (Hitachi Ltd.,) |
| 2nd Author's Name | Hitoshi Ishida |
| 2nd Author's Affiliation | Central Research Laboratories, Hitachi, Ltd. (Hitachi Ltd.,) |
| 3rd Author's Name | Yunjian Jia |
| 3rd Author's Affiliation | Central Research Laboratories, Hitachi, Ltd. (Hitachi Ltd.,) |
| 4th Author's Name | Katsuhiko Tsunehara |
| 4th Author's Affiliation | Central Research Laboratories, Hitachi, Ltd. (Hitachi Ltd.,) |
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| Speaker | Author-1 |
| Date Time | 2011-03-03 09:40:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2010-267 |
| Volume (vol) | vol.110 |
| Number (no) | no.433 |
| Page | pp.115-120 |
| #Pages | 6 |
| Date of Issue | 2011-02-23 (RCS) |
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