JP2017538377A5 - - Google Patents

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Publication number
JP2017538377A5
JP2017538377A5 JP2017543710A JP2017543710A JP2017538377A5 JP 2017538377 A5 JP2017538377 A5 JP 2017538377A5 JP 2017543710 A JP2017543710 A JP 2017543710A JP 2017543710 A JP2017543710 A JP 2017543710A JP 2017538377 A5 JP2017538377 A5 JP 2017538377A5
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JP
Japan
Prior art keywords
impedance
antenna circuit
carrier frequency
configuration
loopback 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
Application number
JP2017543710A
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English (en)
Japanese (ja)
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JP2017538377A (ja
Filing date
Publication date
Priority claimed from US14/863,131 external-priority patent/US9515750B2/en
Application filed filed Critical
Publication of JP2017538377A publication Critical patent/JP2017538377A/ja
Publication of JP2017538377A5 publication Critical patent/JP2017538377A5/ja
Pending legal-status Critical Current

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JP2017543710A 2014-11-07 2015-09-24 ワイヤレス通信のための自己較正のための方法および装置 Pending JP2017538377A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201462077070P 2014-11-07 2014-11-07
US62/077,070 2014-11-07
US14/863,131 2015-09-23
US14/863,131 US9515750B2 (en) 2014-11-07 2015-09-23 Systems and methods for self-calibration for wireless communication
PCT/US2015/052000 WO2016073076A1 (en) 2014-11-07 2015-09-24 Systems and methods for self-calibration for wireless communication

Publications (2)

Publication Number Publication Date
JP2017538377A JP2017538377A (ja) 2017-12-21
JP2017538377A5 true JP2017538377A5 (enExample) 2018-10-11

Family

ID=54291637

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017543710A Pending JP2017538377A (ja) 2014-11-07 2015-09-24 ワイヤレス通信のための自己較正のための方法および装置

Country Status (6)

Country Link
US (1) US9515750B2 (enExample)
EP (1) EP3216132A1 (enExample)
JP (1) JP2017538377A (enExample)
CN (1) CN107078763A (enExample)
TW (1) TWI609573B (enExample)
WO (1) WO2016073076A1 (enExample)

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Publication number Priority date Publication date Assignee Title
WO2014155862A1 (ja) * 2013-03-29 2014-10-02 株式会社村田製作所 可変容量素子および通信装置
US9749775B2 (en) * 2015-04-30 2017-08-29 Qualcomm Incorporated Systems and methods for wireless communication test automation
US9882613B2 (en) * 2015-06-01 2018-01-30 Corning Optical Communications Wireless Ltd Determining actual loop gain in a distributed antenna system (DAS)
US10756881B2 (en) 2016-08-01 2020-08-25 Nxp B.V. Method and system for operating a communications device that communicates via inductive coupling
CN107026696B (zh) * 2017-03-17 2020-09-22 深圳市信维通信股份有限公司 具有双天线模式的nfc天线的认证测试方法
US10050677B1 (en) * 2017-05-23 2018-08-14 Nxp B.V. Antenna coil tuning mechanism for magnetic communication
US11429831B2 (en) * 2017-08-16 2022-08-30 Rf Ideas, Inc. RFID reader with automatic tuning
US10567092B2 (en) * 2017-09-01 2020-02-18 Nxp B.V. System to calibrate phase using system information
US10382098B2 (en) * 2017-09-25 2019-08-13 Nxp B.V. Method and system for operating a communications device that communicates via inductive coupling
US10511347B2 (en) * 2017-11-14 2019-12-17 Nxp B.V. Device detection in contactless communication systems
US10644756B2 (en) 2018-07-30 2020-05-05 Nxp B.V. Transmitter calibration for NFC (near field communication) device
CN109361337B (zh) 2018-12-13 2024-01-12 上海艾为电子技术股份有限公司 线性谐振装置的驱动电压波形的频率校准方法及相关装置
KR102644945B1 (ko) 2018-12-14 2024-03-08 삼성전자주식회사 클럭 주파수 공급 장치 및 방법
JP7227813B2 (ja) 2019-03-26 2023-02-22 ラピスセミコンダクタ株式会社 無線通信装置
FR3095912B1 (fr) * 2019-05-06 2022-05-13 St Microelectronics Rousset Procédé de compensation d’un déphasage entre le signal émis par un objet et celui reçu d’un lecteur équipé d’un détecteur d’enveloppe et objet correspondant
US11037435B2 (en) * 2019-11-18 2021-06-15 Nxp B.V. Radio frequency communication device
US11140633B2 (en) * 2020-02-10 2021-10-05 Samsung Electronics Co., Ltd. Method and apparatus for loopback gain step calibration on RF chain with phase shifter
CN111106882A (zh) * 2020-02-18 2020-05-05 四川安迪科技实业有限公司 一种通信设备中频单板自校准装置、方法及通信设备
CN111614408B (zh) * 2020-06-03 2022-04-08 福达新创通讯科技(厦门)有限公司 一种Zigbee模块的RF测试方法
CN111682909B (zh) * 2020-06-16 2022-07-12 易兆微电子(杭州)股份有限公司 一种用于nfc读卡器发射调制指数自校准的系统
CN111770484B (zh) * 2020-07-01 2023-04-11 Oppo广东移动通信有限公司 模拟卡切换方法及装置、计算机可读介质和移动终端
CN113964485B (zh) * 2021-10-27 2025-07-22 维沃移动通信有限公司 天线调整电路、谐振频率调整方法和电子设备

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US6317027B1 (en) 1999-01-12 2001-11-13 Randy Watkins Auto-tunning scanning proximity reader
EP1973055B1 (de) 2007-03-19 2009-06-24 SimonsVoss Technologies AG Lese-Einheit und Verfahren zur energiearmen Detektion eines Transponders
US20100137024A1 (en) * 2007-04-13 2010-06-03 Thingmagic, Inc. Multi-Mode Radio Frequency Communications
US8855554B2 (en) 2008-03-05 2014-10-07 Qualcomm Incorporated Packaging and details of a wireless power device
US8606193B2 (en) 2008-11-13 2013-12-10 Qualcomm Incorporated RF transceiver IC having internal loopback conductor for IP2 self test
TWI418155B (zh) 2011-03-23 2013-12-01 笙科電子股份有限公司 自動校正天線共振頻率的電路及其方法
WO2013061985A1 (ja) * 2011-10-26 2013-05-02 株式会社村田製作所 可変容量素子および高周波デバイス
US8934836B2 (en) * 2012-06-28 2015-01-13 Broadcom Corporation NFC device with PLL controlled active load modulation
FR2993730B1 (fr) 2012-07-23 2014-08-22 St Microelectronics Rousset Procede de controle de l'adaptation d'une antenne connectee a un composant nfc et composant nfc correspondant
US20140065982A1 (en) 2012-09-05 2014-03-06 Seong-Youp Suh Plug-and-play time-variant antenna module for wireless communication devices
EP2709287A1 (en) * 2012-09-17 2014-03-19 ST-Ericsson SA On-chip stimulus generation for test and calibration of nfc reader receivers
US20140080409A1 (en) 2012-09-17 2014-03-20 Qualcomm Incorporated Static tuning of wireless transmitters
US8977197B2 (en) 2012-10-11 2015-03-10 Qualcomm Incorporated Circuit tuning for device detection in near-field communications
US9124302B2 (en) 2012-10-11 2015-09-01 Qualcomm Incorporated Carrier frequency variation for device detection in near-field communications
US9368975B2 (en) * 2012-11-30 2016-06-14 Qualcomm Incorporated High power RF field effect transistor switching using DC biases
KR20140110335A (ko) 2013-03-07 2014-09-17 삼성전자주식회사 근거리 무선 통신 장치의 공진 주파수 제어 방법, 근거리 무선 통신 장치 및 전자 시스템
KR102076586B1 (ko) 2013-03-07 2020-02-13 삼성전자주식회사 근거리 무선 통신 장치 및 이를 포함하는 전자 시스템

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