Presentation | 2021-11-12 A Study on Intelligent Reflecting Surface (IRS) Aided Cell-Free Network Takahiro Ohyama, Yuichi Kawamoto, Nei Kato, |
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PDF Download Page | PDF download Page Link |
Abstract(in Japanese) | (See Japanese page) |
Abstract(in English) | The IRS (Intelligent Reflecting Surface), which enables control of propagation characteristics, is attracting attention as a technology that greatly improves energy utilization efficiency in 6th generation mobile communication systems. In addition, cell-free networks are being actively researched as a new network architecture that solves the problem of inter-cell interference in conventional cellular networks. In this report, we consider a cell-free network that includes the IRS. We propose a QUBO formulation to optimize IRS reflection coefficients by quantum computing when performing SDMA with one IRS and multiple users in a shadowing environment. The simulation results show the effectiveness of the proposed QUBO formulation and clarify that SDMA can achieve more efficient communication than OFDMA and TDMA. |
Keyword(in Japanese) | (See Japanese page) |
Keyword(in English) | Intelligent Reflecting Surface (IRS) / Cell-Free Network / Reflection Coefficients Optimization / Quantum Computing |
Paper # | RCS2021-170 |
Date of Issue | 2021-11-03 (RCS) |
Conference Information | |
Committee | AP / RCS |
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Conference Date | 2021/11/10(3days) |
Place (in Japanese) | (See Japanese page) |
Place (in English) | NBC-Bekkan (Nagasaki) |
Topics (in Japanese) | (See Japanese page) |
Topics (in English) | Adaptive Antenna, Equalization, Interference Canceler, MIMO, Wireless Communications, etc. |
Chair | Hiroshi Yamada(Niigata Univ.) / Eiji Okamoto(Nagoya Inst. of Tech.) |
Vice Chair | Mitoshi Fujimoto(Fukui Univ) / Toshihiko Nishimura(Hokkaido Univ.) / Tomoya Tandai(Toshiba) / Fumihide Kojima(NICT) |
Secretary | Mitoshi Fujimoto(NTT DOCOMO) / Toshihiko Nishimura(National Defense Academy) / Tomoya Tandai(NEC) / Fumihide Kojima(Panasonic) |
Assistant | Dr. Kim(Niigata Univ.) / Koichi Adachi(Univ. of Electro-Comm.) / Osamu Nakamura(Sharp) / Manabu Sakai(Mitsubishi Electric) / Masashi Iwabuchi(NTT) / Tatsuki Okuyama(NTT DOCOMO) |
Paper Information | |
Registration To | Technical Committee on Antennas and Propagation / Technical Committee on Radio Communication Systems |
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Language | JPN |
Title (in Japanese) | (See Japanese page) |
Sub Title (in Japanese) | (See Japanese page) |
Title (in English) | A Study on Intelligent Reflecting Surface (IRS) Aided Cell-Free Network |
Sub Title (in English) | IRS Reflection Coefficients Optimization by Quantum Computing for SDMA |
Keyword(1) | Intelligent Reflecting Surface (IRS) |
Keyword(2) | Cell-Free Network |
Keyword(3) | Reflection Coefficients Optimization |
Keyword(4) | Quantum Computing |
1st Author's Name | Takahiro Ohyama |
1st Author's Affiliation | Panasonic System Networks R&D Lab.(PSNRD) |
2nd Author's Name | Yuichi Kawamoto |
2nd Author's Affiliation | Tohoku University(Tohoku Univ.) |
3rd Author's Name | Nei Kato |
3rd Author's Affiliation | Tohoku University(Tohoku Univ.) |
Date | 2021-11-12 |
Paper # | RCS2021-170 |
Volume (vol) | vol.121 |
Number (no) | RCS-234 |
Page | pp.pp.142-147(RCS), |
#Pages | 6 |
Date of Issue | 2021-11-03 (RCS) |