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| Presentation | 2012-05-17 09:25 Investigation on Transmission Power Control Suitable for Heterogeneous Network Employing Cell Range Expansion in LTE-Advanced Uplink Akihito Morimoto, Nobuhiko Miki (NTT DOCOMO), Hiroyuki Ishii (DOCOMO Innovations, Inc), Daisuke Nishikawa, Yukihiko Okumura (NTT DOCOMO)  RCS2012-22 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In Long-Term Evolution (LTE)-Advanced, heterogeneous networks where femtocells and picocells are overlaid onto macrocells are extensively discussed in addition to traditional well-planned macrocell deployments to improve further the system throughput. In heterogeneous networks, cell range expansion (CRE), which is a technique for expanding the cell radius of picocells by biasing the handover criteria, is applied so that the UEs will more frequently select the picocells. This paper investigates the transmission power control (TPC) method in the uplink heterogeneous networks that employ CRE and evaluates the cell-edge user throughput and cell throughput performance. Simulation results (4 picocells and 25 UEs are located within 1 macrocell and the difference in transmission power between the macrocell and picocells is 16 dB) show that almost the same cell-edge user throughput is obtained by setting the appropriate target received signal power for the macrocell and picocells according to the CRE offset value, which is mainly decided based on the offload effect and the downlink throughput performance. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | LTE-Advanced / heterogeneous network / transmission power control / cell range expansion / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 29, RCS2012-22, pp. 1-6, May 2012. | |
| Paper # | RCS2012-22 | |
| Date of Issue | 2012-05-10 (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 | RCS2012-22 |
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| Conference Information | |
| Committee | IN RCS |
| Conference Date | 2012-05-17 - 2012-05-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kuramae-Kaikan, Tokyo Institute of Technology |
| 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 | 2012-05-IN-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Investigation on Transmission Power Control Suitable for Heterogeneous Network Employing Cell Range Expansion in LTE-Advanced Uplink |
| Sub Title (in English) | |
| Keyword(1) | LTE-Advanced |
| Keyword(2) | heterogeneous network |
| Keyword(3) | transmission power control |
| Keyword(4) | cell range expansion |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Akihito Morimoto |
| 1st Author's Affiliation | NTT DOCOMO, Inc. (NTT DOCOMO) |
| 2nd Author's Name | Nobuhiko Miki |
| 2nd Author's Affiliation | NTT DOCOMO, Inc. (NTT DOCOMO) |
| 3rd Author's Name | Hiroyuki Ishii |
| 3rd Author's Affiliation | DOCOMO Innovations, Inc (DOCOMO Innovations, Inc) |
| 4th Author's Name | Daisuke Nishikawa |
| 4th Author's Affiliation | NTT DOCOMO, Inc. (NTT DOCOMO) |
| 5th Author's Name | Yukihiko Okumura |
| 5th Author's Affiliation | NTT DOCOMO, Inc. (NTT DOCOMO) |
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| Speaker | Author-1 |
| Date Time | 2012-05-17 09:25:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2012-22 |
| Volume (vol) | vol.112 |
| Number (no) | no.29 |
| Page | pp.1-6 |
| #Pages | 6 |
| Date of Issue | 2012-05-10 (RCS) |
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