SG10201608437WA - Active load modulation technique in near field communication - Google Patents

Active load modulation technique in near field communication

Info

Publication number
SG10201608437WA
SG10201608437WA SG10201608437WA SG10201608437WA SG10201608437WA SG 10201608437W A SG10201608437W A SG 10201608437WA SG 10201608437W A SG10201608437W A SG 10201608437WA SG 10201608437W A SG10201608437W A SG 10201608437WA SG 10201608437W A SG10201608437W A SG 10201608437WA
Authority
SG
Singapore
Prior art keywords
near field
field communication
modulation technique
active load
load modulation
Prior art date
Application number
SG10201608437WA
Other languages
English (en)
Inventor
Rui Yu
Xuesong Chen
Theng Tee Yeo
Lee Guek Doreen YEO
Original Assignee
Huawei Int Pte Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huawei Int Pte Ltd filed Critical Huawei Int Pte Ltd
Priority to SG10201608437WA priority Critical patent/SG10201608437WA/en
Priority to CN201710854460.4A priority patent/CN107707278B/zh
Priority to EP17193703.0A priority patent/EP3337049B1/en
Priority to US15/726,011 priority patent/US10264540B2/en
Publication of SG10201608437WA publication Critical patent/SG10201608437WA/en

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10297—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves arrangements for handling protocols designed for non-contact record carriers such as RFIDs NFCs, e.g. ISO/IEC 14443 and 18092
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • 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
    • 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
    • H04B5/70—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • H04L7/0337—Selecting between two or more discretely delayed clocks or selecting between two or more discretely delayed received code signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
SG10201608437WA 2016-10-07 2016-10-07 Active load modulation technique in near field communication SG10201608437WA (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SG10201608437WA SG10201608437WA (en) 2016-10-07 2016-10-07 Active load modulation technique in near field communication
CN201710854460.4A CN107707278B (zh) 2016-10-07 2017-09-20 为有源负载调制传输准备载波信号的nfc设备和方法
EP17193703.0A EP3337049B1 (en) 2016-10-07 2017-09-28 Active load modulation technique in near field communication
US15/726,011 US10264540B2 (en) 2016-10-07 2017-10-05 Active load modulation technique in near field communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SG10201608437WA SG10201608437WA (en) 2016-10-07 2016-10-07 Active load modulation technique in near field communication

Publications (1)

Publication Number Publication Date
SG10201608437WA true SG10201608437WA (en) 2018-05-30

Family

ID=61173199

Family Applications (1)

Application Number Title Priority Date Filing Date
SG10201608437WA SG10201608437WA (en) 2016-10-07 2016-10-07 Active load modulation technique in near field communication

Country Status (4)

Country Link
US (1) US10264540B2 (zh)
EP (1) EP3337049B1 (zh)
CN (1) CN107707278B (zh)
SG (1) SG10201608437WA (zh)

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US10305495B2 (en) * 2016-10-06 2019-05-28 Analog Devices, Inc. Phase control of clock signal based on feedback
US10447350B2 (en) * 2017-01-11 2019-10-15 Mediatek Singapore Pte. Ltd. High-speed circuits for active load modulation and related methods
US10374848B2 (en) 2017-01-11 2019-08-06 Mediatek Singapore Pte. Ltd. Amplitude demodulators and related methods
US10491437B2 (en) 2017-01-11 2019-11-26 Mediatek Singapore Pte. Ltd. Circuits for amplitude demodulation and related methods
EP3429087B1 (en) * 2017-07-12 2021-08-25 STMicroelectronics razvoj polprevodnikov d.o.o. Method for synchronizing an active load modulation clock within a transponder, and corresponding transponder
WO2019125300A1 (en) * 2017-12-19 2019-06-27 Huawei International Pte. Ltd. Digital-to-time converter (dtc) assisted all digital phase locked loop (adpll) circuit
FR3077174B1 (fr) * 2018-01-19 2021-04-09 St Microelectronics Sa Synchronisation entre un lecteur et un objet communiquant sans contact avec le lecteur par modulation active de charge
CN110351066B (zh) * 2018-04-02 2022-03-08 华为技术有限公司 时钟相位恢复装置、方法和芯片
US10698441B2 (en) * 2018-05-21 2020-06-30 Bae Systems Information And Electronic Systems Integration Inc. High-frequency clock distribution and alignment system
CN110658715B (zh) * 2018-06-29 2021-05-04 南京理工大学 一种基于抽头动态可调进位链细时间内插延时线的tdc电路
CN109004931B (zh) * 2018-08-02 2019-12-10 深圳市太赫兹科技创新研究院 相位调整装置以及太赫兹信号的提取系统
US10965442B2 (en) * 2018-10-02 2021-03-30 Qualcomm Incorporated Low-power, low-latency time-to-digital-converter-based serial link
CN110521127B (zh) * 2018-12-12 2021-07-27 深圳市汇顶科技股份有限公司 用于射频收发器中峰值自适应采样解调的系统和方法
US10742222B2 (en) * 2018-12-12 2020-08-11 Shenzhen GOODIX Technology Co., Ltd. Peak-adaptive sampling demodulation for radiofrequency transceivers
KR20200082252A (ko) * 2018-12-28 2020-07-08 삼성전자주식회사 Nfc 보조 장치 및 방법
WO2020206372A1 (en) 2019-04-03 2020-10-08 Pb Inc. Temperature sensor patch wirelessly connected to a smart device
FR3102625B1 (fr) * 2019-10-28 2021-11-12 St Microelectronics Sa Dispositif NFC émulé en mode carte comprenant une boucle à verrouillage de phase numérique, et procédé de communication correspondant.
CN114667684B (zh) * 2019-12-16 2023-06-27 华为技术有限公司 反射通信的方法和通信装置
CN110808762A (zh) * 2020-01-07 2020-02-18 易兆微电子（杭州）有限公司 一种用于nfc芯片免晶体的方法
US11159186B2 (en) * 2020-01-09 2021-10-26 Shenzhen GOODIX Technology Co., Ltd. Transmitter with compensation of VCO pulling
CN112290941B (zh) * 2020-10-11 2021-06-08 山西天枢空管科技有限公司 用于民航导航设备的调制信号产生方法、产生器及发射机
EP4020811B1 (en) * 2020-12-23 2023-06-07 Panthronics AG Power-on communication between a host ic and a client ic
EP4099577A1 (en) 2021-06-02 2022-12-07 Nxp B.V. System and method of clock recovery with low phase-error for card emulation clock-less nfc transceivers
EP4340237A1 (en) * 2021-06-09 2024-03-20 Huawei Technologies Co., Ltd. Near field communication chip, phase synchronization method, and electronic device
WO2023000345A1 (zh) * 2021-07-23 2023-01-26 华为技术有限公司 近场通信nfc装置及开环控制方法
US20230179256A1 (en) * 2021-12-03 2023-06-08 Samsung Electronics Co., Ltd. Near field communication device, terminal device having the same, and operation method of the near field communication device
CN115242368B (zh) * 2022-09-21 2022-12-20 北京紫光青藤微系统有限公司 用于调整相位的方法、装置、近场通信设备及存储介质
FR3141304A1 (fr) * 2022-10-21 2024-04-26 Stmicroelectronics Sa Procédé de communication sans contact entre un objet et un lecteur utilisant une modulation active de charge

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FR2965082B1 (fr) * 2010-09-21 2012-09-28 Inside Contactless Procede et dispositif de modulation de charge active par couplage inductif
US9331378B2 (en) 2012-05-29 2016-05-03 Nxp B.V. Active load modulation antenna
US8934836B2 (en) * 2012-06-28 2015-01-13 Broadcom Corporation NFC device with PLL controlled active load modulation
CN103269220A (zh) * 2013-05-30 2013-08-28 上海坤锐电子科技有限公司 基于数字琐相环的nfc有源负载调制的时钟恢复电路
US9014323B2 (en) * 2013-08-30 2015-04-21 Nxp B.V. Clock synchronizer for aligning remote devices
US9577718B2 (en) * 2014-11-19 2017-02-21 Qualcomm Incorporated Systems and methods for inductively coupled communications
US9712317B2 (en) * 2015-02-17 2017-07-18 Avago Technologies General Ip (Singapore) Pte. Ltd. Carrier synchronization appropriate for ALM NFC data transmission
SG10201509972YA (en) * 2015-12-04 2016-09-29 Huawei Internat Pte Ltd Asynchronous transmission for nfc card emulation mode

Also Published As

Publication number Publication date
EP3337049B1 (en) 2019-11-06
US20180110018A1 (en) 2018-04-19
US10264540B2 (en) 2019-04-16
EP3337049A1 (en) 2018-06-20
CN107707278B (zh) 2021-05-14
CN107707278A (zh) 2018-02-16

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