CN107005281B - 用于电感耦合通信的系统和方法 - Google Patents

用于电感耦合通信的系统和方法 Download PDF

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Publication number
CN107005281B
CN107005281B CN201580061896.7A CN201580061896A CN107005281B CN 107005281 B CN107005281 B CN 107005281B CN 201580061896 A CN201580061896 A CN 201580061896A CN 107005281 B CN107005281 B CN 107005281B
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China
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signal
received signal
amplitude
carrier
suppressed carrier
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English (en)
Chinese (zh)
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CN107005281A (zh
Inventor
R·盖斯克
M·M·加拉玛尼
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Qualcomm Inc
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Qualcomm Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/72—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for local intradevice communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling
    • H04B5/26—Inductive coupling using coils
    • H04B5/266—One coil at each side, e.g. with primary and secondary coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H04L27/148—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using filters, including PLL-type filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling
    • H04B5/26—Inductive coupling using coils
    • H04B5/263—Multiple coils at either side
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
    • H04B5/45—Transponders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/77—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Near-Field Transmission Systems (AREA)
CN201580061896.7A 2014-11-19 2015-10-20 用于电感耦合通信的系统和方法 Active CN107005281B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/547,837 US9577718B2 (en) 2014-11-19 2014-11-19 Systems and methods for inductively coupled communications
US14/547,837 2014-11-19
PCT/US2015/056450 WO2016081131A1 (en) 2014-11-19 2015-10-20 Systems and methods for inductively coupled communications

Publications (2)

Publication Number Publication Date
CN107005281A CN107005281A (zh) 2017-08-01
CN107005281B true CN107005281B (zh) 2020-10-16

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Family Applications (1)

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CN201580061896.7A Active CN107005281B (zh) 2014-11-19 2015-10-20 用于电感耦合通信的系统和方法

Country Status (5)

Country Link
US (1) US9577718B2 (enExample)
EP (1) EP3221974B1 (enExample)
JP (1) JP6682530B2 (enExample)
CN (1) CN107005281B (enExample)
WO (1) WO2016081131A1 (enExample)

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US10566845B2 (en) * 2015-06-30 2020-02-18 Ossia Inc. Techniques for clock synchronization and control in wireless power delivery environments
US9929779B2 (en) * 2015-12-01 2018-03-27 Maxim Integrated Products, Inc. Power adaptive dual mode card emulation system for NFC and RFID application
US10396975B2 (en) * 2016-06-29 2019-08-27 Maxim Integrated Products, Inc. Clock recovery system and method for near field communication with active load modulation
FR3054760A1 (fr) * 2016-07-27 2018-02-02 Stmicroelectronics Sa Procede de communication sans contact entre un objet, par exemple un telephone mobile emule en mode carte, et un lecteur par modulation active de charge
US9806771B1 (en) * 2016-08-01 2017-10-31 Nxp B.V. Method and system for high resolution tuning of the phase for active load modulation in a NFC system
US10756881B2 (en) * 2016-08-01 2020-08-25 Nxp B.V. Method and system for operating a communications device that communicates via inductive coupling
SG10201608437WA (en) * 2016-10-07 2018-05-30 Huawei Int Pte Ltd Active load modulation technique in near field communication
US10491437B2 (en) 2017-01-11 2019-11-26 Mediatek Singapore Pte. Ltd. Circuits for amplitude demodulation and related methods
US10374848B2 (en) 2017-01-11 2019-08-06 Mediatek Singapore Pte. Ltd. Amplitude demodulators and related methods
US10447350B2 (en) 2017-01-11 2019-10-15 Mediatek Singapore Pte. Ltd. High-speed circuits for active load modulation and related methods
TWI681659B (zh) * 2017-05-23 2020-01-01 新加坡商聯發科技（新加坡）私人有限公司 用於有源負載調製的方法及通信裝置
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
EP3512107B1 (en) * 2018-01-11 2020-07-15 Nxp B.V. Active load modulation transceiver
FR3076972A1 (fr) * 2018-01-15 2019-07-19 Stmicroelectronics (Grenoble 2) Sas Procede de synchronisation de signaux au sein d'un dispositif sans contact communiquant avec un lecteur par une modulation active de charge, et dispositif correspondant
FR3086476B1 (fr) * 2018-09-25 2020-09-11 St Microelectronics Sa Synchronisation rapide entre un objet et un lecteur communiquant sans contact par une modulation active de charge
EP4340237A4 (en) * 2021-06-09 2024-11-06 Huawei Technologies Co., Ltd. NEAR FIELD COMMUNICATION CHIP, PHASE SYNCHRONIZATION METHOD AND ELECTRONIC DEVICE

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JPH1188290A (ja) * 1997-07-15 1999-03-30 Ricoh Co Ltd スペクトル拡散通信方式
US7532822B2 (en) 2005-02-28 2009-05-12 Nortel Networks Limited Clock recovery from an optical signal with polarization impairments
US7724843B2 (en) 2006-04-18 2010-05-25 Sigmatel, Inc. Clock adjustment for a handheld audio system
US7683851B2 (en) 2007-03-19 2010-03-23 Broadcom Corporation Method and system for using a single transformer for FM transmit and FM receive functions
US7982683B2 (en) * 2007-09-26 2011-07-19 Ibiquity Digital Corporation Antenna design for FM radio receivers
JP2011022923A (ja) * 2009-07-17 2011-02-03 Toshiba Corp 非接触ｉｃカード及び無線システム
DE102010028991B4 (de) * 2009-12-03 2014-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Passiver Transponder für ein RFID-System und Verfahren zum Übertragen von Daten von/zu einer Datenquelle eines solchen passiven Transponders
US8313028B2 (en) * 2010-02-17 2012-11-20 On Track Innovations Ltd. Multiple antenna reading system suitable for use with contactless transaction devices
JP2011215865A (ja) * 2010-03-31 2011-10-27 Sony Corp 信号処理装置及び信号処理方法
EP2429101A1 (en) 2010-09-08 2012-03-14 University College Cork-National University of Ireland, Cork Multi-carrier system and method for use in an optical network
FR2965082B1 (fr) * 2010-09-21 2012-09-28 Inside Contactless Procede et dispositif de modulation de charge active par couplage inductif
TW201246816A (en) 2010-12-08 2012-11-16 Broadcom Corp RF module control interface
US9002264B2 (en) * 2011-05-06 2015-04-07 Microsoft Technology Licensing, Llc Antenna structure for a near-field communication device
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US9450646B2 (en) 2013-03-15 2016-09-20 Qualcomm Incorporated Direct power transmission load modulation in near field communication devices

Also Published As

Publication number Publication date
CN107005281A (zh) 2017-08-01
US9577718B2 (en) 2017-02-21
JP2017539156A (ja) 2017-12-28
WO2016081131A1 (en) 2016-05-26
EP3221974B1 (en) 2018-03-14
EP3221974A1 (en) 2017-09-27
JP6682530B2 (ja) 2020-04-15
US20160142113A1 (en) 2016-05-19

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