| Presentation | 2013-04-18 Self-optimization of Transmit Power in LTE Heterogeneous Network Takamichi Inoue, Kosei Kobayashi, Hiroto Sugahara, Yasuhiko Matsunaga, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | To cope with rapid increase of mobile traffic, network capacity is required to be expanded urgently and cost-effectively. In this situation, SON (Self Organizing Network) technologies are promising. SON is a set of functions for automatic configuration and optimization of mobile networks, aiming to reduce their capital and operational expenditures and to provide higher communication qualities. In this paper, we propose a transmit power optimization technologies for small cells in LTE heterogeneous network. The proposed method predicts user throughput for each candidate transmit power and determine the optimal power so as to maximize the throughput performance. Resource block usage for neighboring cells is required in the user throughput prediction and two collection methods are considered. One is to collect resource block usage via X2 interface, the other is to estimate resource block usage using the measurement reports by the users. It was confirmed that the proposed technologies improved cell edge user throughput by up to 50% without degrading the average user throughput. Almost the same performance was obtained even without coordination between macro cell and small cell base stations. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | LTE / Heterogeneous Network / SON / CCO / Transmit Power Optimization |
| Paper # | RCS2013-9 |
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| Conference Information | |
| Committee | RCS |
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| Conference Date | 2013/4/11(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Radio Communication Systems (RCS) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Self-optimization of Transmit Power in LTE Heterogeneous Network |
| Sub Title (in English) | |
| Keyword(1) | LTE |
| Keyword(2) | Heterogeneous Network |
| Keyword(3) | SON |
| Keyword(4) | CCO |
| Keyword(5) | Transmit Power Optimization |
| 1st Author's Name | Takamichi Inoue |
| 1st Author's Affiliation | Green Platform Research Laboratories, NEC Corporation() |
| 2nd Author's Name | Kosei Kobayashi |
| 2nd Author's Affiliation | Green Platform Research Laboratories, NEC Corporation |
| 3rd Author's Name | Hiroto Sugahara |
| 3rd Author's Affiliation | Green Platform Research Laboratories, NEC Corporation |
| 4th Author's Name | Yasuhiko Matsunaga |
| 4th Author's Affiliation | Mobile Radio Access Network Division, NEC Corporation |
| Date | 2013-04-18 |
| Paper # | RCS2013-9 |
| Volume (vol) | vol.113 |
| Number (no) | 8 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |