| Presentation | 2008-03-06 Base Station Cooperation Null-Beamforing for Spectrum Sharing between Next Generation Cellular and Fixed Satellite Systems Ian Dexter Garcia, David Chanin, Kei Sakaguchi, Kiyomichi Araki, Tomohiro Sugawara, Takayuki Sotoyama, Takashi Fukagawa, |
|---|---|
| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Base station cooperation (BSC) transmission (i.e. multicell transmission, cooperative transmission) has been shown to significantly increase average and cell-edge throughputs compared to conventional single-cell transmission. In this paper, we extend BSC techniques to cooperatively force full or partial nulls at victim receiver antennas (e.g. Fixed Service Satellite Earth Station or ES) while providing cooperative stream transmission to intended receivers (e.g. Next Generation Cellular user terminals). First, we express null-beamforming (NB) spectrum sharing as a constrained optimization problem where the objective is to maximize capacity or coverage of the intended system and the constraints are the BS transmit powers and intersystem interference levels. We then introduce single-cell null-beamforming (SC-NB), linear BSC-NB, and non-linear BSC-NB algorithms. Finally, we test these algorithms on a 2x2 MIMO, 2-cell, IMT-Advanced physical layer model and show their significant increases in capacity and coverage over a power-control scheme and single-cell null-beamforming schemes. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Spectrum Sharing / Base Station Cooperation / Null-Beamforming / Next Generation Cellular / Fixed Satellite Service |
| Paper # | SR2007-90 |
| Date of Issue |
| Conference Information | |
| Committee | SR |
|---|---|
| Conference Date | 2008/2/28(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | |
| Vice Chair | |
| Secretary | |
| Assistant | |
| Paper Information | |
| Registration To | Software Radio(SR) |
|---|---|
| Language | ENG |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Base Station Cooperation Null-Beamforing for Spectrum Sharing between Next Generation Cellular and Fixed Satellite Systems |
| Sub Title (in English) | |
| Keyword(1) | Spectrum Sharing |
| Keyword(2) | Base Station Cooperation |
| Keyword(3) | Null-Beamforming |
| Keyword(4) | Next Generation Cellular |
| Keyword(5) | Fixed Satellite Service |
| 1st Author's Name | Ian Dexter Garcia |
| 1st Author's Affiliation | Tokyo Institute of Technology() |
| 2nd Author's Name | David Chanin |
| 2nd Author's Affiliation | Tokyo Institute of Technology |
| 3rd Author's Name | Kei Sakaguchi |
| 3rd Author's Affiliation | Tokyo Institute of Technology |
| 4th Author's Name | Kiyomichi Araki |
| 4th Author's Affiliation | Tokyo Institute of Technology |
| 5th Author's Name | Tomohiro Sugawara |
| 5th Author's Affiliation | Panasonic Mobile Communications R & D Lab. Co., Ltd. |
| 6th Author's Name | Takayuki Sotoyama |
| 6th Author's Affiliation | Communication System Department Center, Panasonic Mobile Communications Co. Ltd. |
| 7th Author's Name | Takashi Fukagawa |
| 7th Author's Affiliation | Network Department Center of Matsushita Electric Industrial Co. Ltd. |
| Date | 2008-03-06 |
| Paper # | SR2007-90 |
| Volume (vol) | vol.107 |
| Number (no) | 519 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |