JPWO2020028042A5 - - Google Patents
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- Publication number
- JPWO2020028042A5 JPWO2020028042A5 JP2021504815A JP2021504815A JPWO2020028042A5 JP WO2020028042 A5 JPWO2020028042 A5 JP WO2020028042A5 JP 2021504815 A JP2021504815 A JP 2021504815A JP 2021504815 A JP2021504815 A JP 2021504815A JP WO2020028042 A5 JPWO2020028042 A5 JP WO2020028042A5
- Authority
- JP
- Japan
- Prior art keywords
- vswr
- power amplifier
- antenna
- identifying
- signal
- Prior art date
- 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.)
- Pending
Links
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16/050,984 | 2018-07-31 | ||
| US16/050,984 US20200044612A1 (en) | 2018-07-31 | 2018-07-31 | Transmitter dynamic rf power control via vswr detection for wireless radios |
| PCT/US2019/042184 WO2020028042A1 (en) | 2018-07-31 | 2019-07-17 | Transmitter dynamic rf power control via vswr detection for wireless radios |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021532674A JP2021532674A (ja) | 2021-11-25 |
| JP2021532674A5 JP2021532674A5 (https=) | 2022-06-24 |
| JPWO2020028042A5 true JPWO2020028042A5 (https=) | 2022-06-24 |
Family
ID=69229362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021504815A Pending JP2021532674A (ja) | 2018-07-31 | 2019-07-17 | 無線通信機に対するvswr検出を介した送信機の動的rf電力制御 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20200044612A1 (https=) |
| EP (1) | EP3830964A4 (https=) |
| JP (1) | JP2021532674A (https=) |
| KR (1) | KR20210027438A (https=) |
| CN (1) | CN112534725A (https=) |
| WO (1) | WO2020028042A1 (https=) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11784674B2 (en) * | 2020-03-24 | 2023-10-10 | Qualcomm Incorporated | Calibration of open space for an antenna array module |
| KR102857561B1 (ko) * | 2020-07-01 | 2025-09-09 | 삼성전자주식회사 | 객체의 근접 여부를 감지하는 방법 및 이를 지원하는 전자 장치 |
| US11782151B2 (en) * | 2021-05-27 | 2023-10-10 | Apple Inc. | Electronic devices with non-static object detection |
| US12463675B2 (en) | 2021-08-05 | 2025-11-04 | Samsung Electronics Co., Ltd. | Radio frequency exposure estimation with radar for mobile devices |
| CN115987315A (zh) * | 2021-10-12 | 2023-04-18 | 中兴通讯股份有限公司 | 射频电路、终端设备的控制方法、终端设备及存储介质 |
| US12537555B2 (en) | 2021-10-28 | 2026-01-27 | Apple Inc. | Systems and methods for configuring transmission power level based on body proximity |
| US12418325B2 (en) * | 2021-12-23 | 2025-09-16 | Intel Corporation | Apparatus, system and method of body proximity sensing |
| US20230223972A1 (en) * | 2022-01-10 | 2023-07-13 | Mediatek Inc. | Communication system and method for sar reduction |
| EP4465540A4 (en) | 2022-03-07 | 2025-06-25 | Samsung Electronics Co., Ltd | ELECTRONIC WIRELESS TRANSMISSION CONTROL DEVICE AND OPERATING METHOD THEREOF |
| CN116846418A (zh) * | 2022-03-24 | 2023-10-03 | Oppo广东移动通信有限公司 | 比吸收率调节电路、方法和通信设备 |
| CN114710827A (zh) * | 2022-03-30 | 2022-07-05 | Oppo广东移动通信有限公司 | 功率调整方法、装置、终端、存储介质和计算机程序产品 |
| EP4340235A4 (en) * | 2022-07-05 | 2024-10-16 | Samsung Electronics Co., Ltd. | Electronic device and method for detecting object |
| CN115085755B (zh) * | 2022-08-23 | 2023-01-24 | 荣耀终端有限公司 | 终端天线的控制方法和装置 |
| CN115664453B (zh) * | 2022-10-26 | 2025-09-23 | 维沃移动通信有限公司 | 射频电路、控制方法及装置、电子设备和可读存储介质 |
| EP4394436A1 (en) * | 2022-12-30 | 2024-07-03 | Nxp B.V. | Radar power calibration with mismatch compensation |
| US20250030446A1 (en) * | 2023-07-19 | 2025-01-23 | Mediatek Inc. | Method and electronic device for time-averaged specific absorption rate (ta-sar) optimization |
Family Cites Families (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5564086A (en) * | 1993-11-29 | 1996-10-08 | Motorola, Inc. | Method and apparatus for enhancing an operating characteristic of a radio transmitter |
| JP2555564B2 (ja) * | 1994-06-23 | 1996-11-20 | 日本電気株式会社 | 並列合成方式の中波送信機 |
| US6233438B1 (en) * | 1998-03-26 | 2001-05-15 | Ericsson Inc. | Wide-range power control systems and methods for radio frequency transmitters and mobile radiotelephones |
| GB2346292B (en) * | 1999-01-30 | 2003-06-11 | Motorola Ltd | Voltage standing-wave ratio measurement apparatus and use in a cellular communications system |
| US6310579B1 (en) * | 2000-05-12 | 2001-10-30 | Radio Frequency Systems, Inc. | Method and apparatus for calibrating antenna apparatus and testing an antenna connected thereto |
| US8744384B2 (en) * | 2000-07-20 | 2014-06-03 | Blackberry Limited | Tunable microwave devices with auto-adjusting matching circuit |
| US6960956B2 (en) * | 2001-01-12 | 2005-11-01 | Telefonatiebolaget L.M. Ericsson Telefonplan | Apparatus and methods for monitoring and controlling power amplifier linearity using detected fundamental and harmonic components |
| US6845126B2 (en) * | 2001-01-26 | 2005-01-18 | Telefonaktiebolaget L.M. Ericsson (Publ) | System and method for adaptive antenna impedance matching |
| US6710651B2 (en) * | 2001-10-22 | 2004-03-23 | Kyocera Wireless Corp. | Systems and methods for controlling output power in a communication device |
| US7071776B2 (en) * | 2001-10-22 | 2006-07-04 | Kyocera Wireless Corp. | Systems and methods for controlling output power in a communication device |
| US6657595B1 (en) * | 2002-05-09 | 2003-12-02 | Motorola, Inc. | Sensor-driven adaptive counterpoise antenna system |
| FI114057B (fi) * | 2002-10-18 | 2004-07-30 | Nokia Corp | Menetelmä ja järjestely kuorman epäsovituksen havaitsemiseksi, sekä sellaista käyttävä radiolaite |
| EP1696558A1 (en) * | 2005-02-25 | 2006-08-30 | STMicroelectronics S.r.l. | Protection of output stage transistor of an RF power amplifier |
| US7590395B2 (en) * | 2006-07-27 | 2009-09-15 | Harris Corporation | Power management scheme for software-defined radios |
| WO2008050440A1 (en) * | 2006-10-26 | 2008-05-02 | Panasonic Corporation | Power amplifier |
| JP2008147934A (ja) * | 2006-12-08 | 2008-06-26 | Hitachi Kokusai Electric Inc | Tdd方式の無線送受信装置 |
| US8442456B2 (en) * | 2007-08-09 | 2013-05-14 | Freescale Semiconductor, Inc. | Wireless communication unit, integrated circuit and method of power control therein |
| US9136914B2 (en) * | 2009-01-22 | 2015-09-15 | Qualcomm Incorporated | Impedance change detection in wireless power transmission |
| JP2010206357A (ja) * | 2009-03-02 | 2010-09-16 | Fujitsu Ltd | 無線送受信装置 |
| US8963611B2 (en) * | 2009-06-19 | 2015-02-24 | Qualcomm Incorporated | Power and impedance measurement circuits for a wireless communication device |
| US8644778B2 (en) * | 2011-01-21 | 2014-02-04 | Nokia Corporation | Usage of measurement antenna transmitting communication signal for power adjustment in wireless device |
| WO2012177939A2 (en) * | 2011-06-21 | 2012-12-27 | Google Inc. | Controlling mtd antenna vswr and coupling for sar control |
| US9144051B2 (en) * | 2012-02-15 | 2015-09-22 | Microchip Technology Incorporated | Proximity detection using an antenna and directional coupler switch |
| WO2014063736A1 (en) * | 2012-10-25 | 2014-05-01 | Nokia Solutions And Networks Oy | Distance to vswr fault measurement |
| US9325355B2 (en) * | 2013-02-14 | 2016-04-26 | Blackberry Limited | Methods and apparatus for performing impedance matching |
| CN105765482B (zh) * | 2013-11-26 | 2018-10-19 | 惠普发展公司,有限责任合伙企业 | 调节信号源的发射功率 |
| US9461755B2 (en) * | 2014-01-17 | 2016-10-04 | Viasat, Inc. | Enhanced voltage standing wave ratio measurement |
| US9769769B2 (en) * | 2014-06-30 | 2017-09-19 | Microsoft Technology Licensing, Llc | Detecting proximity using antenna feedback |
| KR20160027415A (ko) * | 2014-08-29 | 2016-03-10 | 주식회사 케이엠더블유 | 기지국 안테나의 정재파비 제어 방법 |
| DE102014119259A1 (de) * | 2014-12-19 | 2016-06-23 | Intel Corporation | Eine Vorrichtung zum Bereitstellen eines Steuersignals für eine variable Impedanzanpassungsschaltung und ein Verfahren dafür |
| US9935378B2 (en) * | 2015-10-30 | 2018-04-03 | Te Connectivity Corporation | Antenna apparatus configured to reduce radio-frequency exposure |
-
2018
- 2018-07-31 US US16/050,984 patent/US20200044612A1/en not_active Abandoned
-
2019
- 2019-07-17 CN CN201980050044.6A patent/CN112534725A/zh active Pending
- 2019-07-17 JP JP2021504815A patent/JP2021532674A/ja active Pending
- 2019-07-17 KR KR1020217003119A patent/KR20210027438A/ko not_active Ceased
- 2019-07-17 EP EP19845416.7A patent/EP3830964A4/en not_active Withdrawn
- 2019-07-17 WO PCT/US2019/042184 patent/WO2020028042A1/en not_active Ceased
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