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| Presentation | 2013-03-01 09:40 A Study on the effect of introducing small cells Masashi Fushiki, Yosuke Akimoto, Satoshi Konishi (KDDI Labs.)  RCS2012-338 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Utilizing the higher frequency band, such as SHF (Super High Frequency), in cellular system has been studied for accommodating huge mobile data traffic. However, this frequency band has the characteristic that it has the strong straightforwardness and then radio signals do not reach long distance. Therefore, it has the drawback that the coverage of this frequency band is smaller than that of the lower frequency band, such as UHF (Ultra High Frequency) band, which is utilized in current cellular system. In order to overcome this issue, 3GPP (3rd Generation Partnership Project) has started the discussion about the architecture and optimization of the layered network which applies the lower frequency band to at least macro base stations (BSs) whereas the higher frequency band to at least small BSs. Since deployment of many small BSs in an area, where a lot of traffic is concentrated, is effective for the layered network, it is required that the small BS size is as small as possible for ease deployment. In order to satisfy this demand, suppressing the maximum transmission power of small BS is very effective. However, it has not been clarified how the maximum transmission power of small BS affects user throughput in the downlink of a layered network. In this paper, the effect is investigated using computer simulations. From the numerical results, it was revealed that the effect depends on the deployment scenario of macro BSs and small BSs. The user throughput decreases when the maximum transmission power of small BS is low regardless of the number of small BSs in the co-channel scenario, where the frequency bands of both macro BS and small BS are the same. Meanwhile, the user throughput decreases when the maximum transmission power of small BS is low when the number of small BSs is small whereas the contribution of lower maximum transmission power of small BSs to the user throughput is little in the dedicated channel scenario, where the frequency band of macro BSs is different from that of small BSs. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | LTE-Advanced / Small Cell / Layered Network / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 443, RCS2012-338, pp. 321-326, Feb. 2013. | |
| Paper # | RCS2012-338 | |
| Date of Issue | 2013-02-20 (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 | RCS2012-338 |
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| Conference Information | |
| Committee | RCS SR SRW |
| Conference Date | 2013-02-27 - 2013-03-01 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Waseda Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Communication Workshop |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2013-02-RCS-SR-SRW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on the effect of introducing small cells |
| Sub Title (in English) | |
| Keyword(1) | LTE-Advanced |
| Keyword(2) | Small Cell |
| Keyword(3) | Layered Network |
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| 1st Author's Name | Masashi Fushiki |
| 1st Author's Affiliation | KDDI R&D Laboratories (KDDI Labs.) |
| 2nd Author's Name | Yosuke Akimoto |
| 2nd Author's Affiliation | KDDI R&D Laboratories (KDDI Labs.) |
| 3rd Author's Name | Satoshi Konishi |
| 3rd Author's Affiliation | KDDI R&D Laboratories (KDDI Labs.) |
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| Speaker | Author-1 |
| Date Time | 2013-03-01 09:40:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2012-338 |
| Volume (vol) | vol.112 |
| Number (no) | no.443 |
| Page | pp.321-326 |
| #Pages | 6 |
| Date of Issue | 2013-02-20 (RCS) |
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