JPWO2021106043A1 - - Google Patents
Info
- Publication number
- JPWO2021106043A1 JPWO2021106043A1 JP2021560777A JP2021560777A JPWO2021106043A1 JP WO2021106043 A1 JPWO2021106043 A1 JP WO2021106043A1 JP 2021560777 A JP2021560777 A JP 2021560777A JP 2021560777 A JP2021560777 A JP 2021560777A JP WO2021106043 A1 JPWO2021106043 A1 JP WO2021106043A1
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
- H04B10/25752—Optical arrangements for wireless networks
- H04B10/25753—Distribution optical network, e.g. between a base station and a plurality of remote units
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
- H04B10/25752—Optical arrangements for wireless networks
- H04B10/25758—Optical arrangements for wireless networks between a central unit and a single remote unit by means of an optical fibre
- H04B10/25759—Details of the reception of RF signal or the optical conversion before the optical fibre
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/506—Multiwavelength transmitters
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2019/046001 WO2021106043A1 (ja) | 2019-11-25 | 2019-11-25 | 無線送信システム、無線受信システム、基地局装置、及び無線通信システム、並びに無線送信方法、及び無線受信方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2021106043A1 true JPWO2021106043A1 (ja) | 2021-06-03 |
JP7328578B2 JP7328578B2 (ja) | 2023-08-17 |
Family
ID=76128774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021560777A Active JP7328578B2 (ja) | 2019-11-25 | 2019-11-25 | 無線送信システム、無線受信システム、基地局装置、及び無線通信システム、並びに無線送信方法、及び無線受信方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US12009862B2 (ja) |
JP (1) | JP7328578B2 (ja) |
WO (1) | WO2021106043A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7223228B2 (ja) * | 2019-02-15 | 2023-02-16 | 日本電信電話株式会社 | 導出方法、通信システム及び収容局装置 |
JP7223229B2 (ja) | 2019-02-15 | 2023-02-16 | 日本電信電話株式会社 | 導出方法、通信システム及び収容局装置 |
JP7250843B2 (ja) * | 2021-04-19 | 2023-04-03 | ソフトバンク株式会社 | 無線中継システム |
WO2022244057A1 (ja) * | 2021-05-17 | 2022-11-24 | 日本電信電話株式会社 | 無線通信方法及び無線通信システム |
US20220397596A1 (en) * | 2021-06-15 | 2022-12-15 | Nucrypt, LLC | System and method for multiplexing and demultiplexing rf signals using a plurality of rf-to-optical antennas |
JPWO2022269792A1 (ja) * | 2021-06-23 | 2022-12-29 | ||
WO2023181118A1 (ja) * | 2022-03-22 | 2023-09-28 | 日本電気株式会社 | 電波制御システム、制御装置、電波制御方法、及び非一時的なコンピュータ可読媒体 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10145286A (ja) * | 1996-11-13 | 1998-05-29 | Sumitomo Electric Ind Ltd | 移動体無線通信システム |
JP2001094491A (ja) * | 1999-09-24 | 2001-04-06 | Toshiba Corp | 無線通信システム |
JP2008067048A (ja) * | 2006-09-07 | 2008-03-21 | National Institute Of Information & Communication Technology | 波長変換型波長分割多重伝送装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4506265A (en) * | 1983-05-19 | 1985-03-19 | Rockwell International Corporation | Nuclear blast resistant parabolic antenna feed means |
US5955992A (en) * | 1998-02-12 | 1999-09-21 | Shattil; Steve J. | Frequency-shifted feedback cavity used as a phased array antenna controller and carrier interference multiple access spread-spectrum transmitter |
JP3816672B2 (ja) * | 1998-06-30 | 2006-08-30 | 株式会社東芝 | 通信システム |
KR100376298B1 (ko) * | 1999-09-13 | 2003-03-17 | 가부시끼가이샤 도시바 | 무선통신시스템 |
EP1202475B1 (en) * | 2000-10-25 | 2007-04-11 | NTT DoCoMo, Inc. | Communication system having radio units connected to optical fibers |
KR100352852B1 (ko) * | 2000-12-22 | 2002-09-16 | 엘지전자 주식회사 | 광기지국용 수신신호 전송장치 |
US6865390B2 (en) * | 2001-06-25 | 2005-03-08 | Lucent Technologies Inc. | Cellular communications system featuring a central radio pool/traffic router |
JP4246724B2 (ja) | 2005-08-31 | 2009-04-02 | 日本電信電話株式会社 | ビームフォーミング型rofシステム |
US10367558B2 (en) * | 2012-02-07 | 2019-07-30 | Motorola Mobility Llc | Method and apparatus for optimizing antenna precoder selection with coupled antennas |
WO2014091221A1 (en) * | 2012-12-11 | 2014-06-19 | Bae Systems Plc | Time modulated antenna array with optical switches |
CN103941235B (zh) * | 2014-02-26 | 2016-07-06 | 上海交通大学 | 全光控相控阵雷达发射机 |
US9838125B2 (en) * | 2014-08-26 | 2017-12-05 | The Trustees Of Princeton University | Multibeam radio frequency photonic beamformer using a multi-signal slow light time delay unit |
WO2016165281A1 (zh) * | 2015-04-16 | 2016-10-20 | 深圳大学 | 一种雷达通信方法与系统 |
PL3611850T3 (pl) * | 2015-12-31 | 2021-10-25 | Viasat Inc. | System szerokopasmowej komunikacji satelitarnej wykorzystujący optyczne łącza dosyłowe |
US10439282B2 (en) * | 2016-01-19 | 2019-10-08 | Phase Sensitive Innovations, Inc. | Beam steering antenna transmitter, multi-user antenna MIMO transmitter and related methods of communication |
US11152700B2 (en) * | 2018-04-16 | 2021-10-19 | Phase Sensitive Innovations, Inc. | Beam steering antenna transmitter, multi-user antenna MIMO transmitter and related methods of communication |
-
2019
- 2019-11-25 US US17/775,745 patent/US12009862B2/en active Active
- 2019-11-25 JP JP2021560777A patent/JP7328578B2/ja active Active
- 2019-11-25 WO PCT/JP2019/046001 patent/WO2021106043A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10145286A (ja) * | 1996-11-13 | 1998-05-29 | Sumitomo Electric Ind Ltd | 移動体無線通信システム |
JP2001094491A (ja) * | 1999-09-24 | 2001-04-06 | Toshiba Corp | 無線通信システム |
JP2008067048A (ja) * | 2006-09-07 | 2008-03-21 | National Institute Of Information & Communication Technology | 波長変換型波長分割多重伝送装置 |
Non-Patent Citations (2)
Title |
---|
池上 富大 他: "バラクタダイオードを用いた2次元ビーム走査 多層トランスミットフェーズドアレーの行列計算による設計", 信学技報, vol. 118, no. 310, JPN6020022742, 13 November 2018 (2018-11-13), JP, pages 161 - 166, ISSN: 0004989648 * |
蓑口 恭 他: "Radio-over-Fiber伝送技術と波長分散効果を利用した60GHz帯アレーアンテナビーム制御", 電子情報通信学会論文誌C, vol. 99, no. 9, JPN6020022741, 9 August 2016 (2016-08-09), JP, pages 425 - 433, ISSN: 0004989647 * |
Also Published As
Publication number | Publication date |
---|---|
WO2021106043A1 (ja) | 2021-06-03 |
US12009862B2 (en) | 2024-06-11 |
JP7328578B2 (ja) | 2023-08-17 |
US20220393764A1 (en) | 2022-12-08 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20220225 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230214 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230410 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230704 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230717 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7328578 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |