JP6388867B2 - Ｎｆｃイニシエータ送信波形を生成するためのパルス整形 - Google Patents

Ｎｆｃイニシエータ送信波形を生成するためのパルス整形 Download PDF

Info

Publication number
JP6388867B2
JP6388867B2 JP2015534594A JP2015534594A JP6388867B2 JP 6388867 B2 JP6388867 B2 JP 6388867B2 JP 2015534594 A JP2015534594 A JP 2015534594A JP 2015534594 A JP2015534594 A JP 2015534594A JP 6388867 B2 JP6388867 B2 JP 6388867B2
Authority
JP
Japan
Prior art keywords
signal
phase
bit
bit patterns
bit pattern
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.)
Expired - Fee Related
Application number
JP2015534594A
Other languages
English (en)
Japanese (ja)
Other versions
JP2016500216A (ja
JP2016500216A5 (enExample
Inventor
アカーバン、コーロシュ
ゲスケ、ライナー
サボーリ、ファラマーズ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of JP2016500216A publication Critical patent/JP2016500216A/ja
Publication of JP2016500216A5 publication Critical patent/JP2016500216A5/ja
Application granted granted Critical
Publication of JP6388867B2 publication Critical patent/JP6388867B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0033—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03834—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using pulse shaping
    • H04L25/03853—Shaping by digital methods other than look up tables or up/down converters
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Near-Field Transmission Systems (AREA)
  • Manipulation Of Pulses (AREA)
JP2015534594A 2012-09-27 2013-09-24 Ｎｆｃイニシエータ送信波形を生成するためのパルス整形 Expired - Fee Related JP6388867B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261706581P 2012-09-27 2012-09-27
US61/706,581 2012-09-27
US13/800,065 2013-03-13
US13/800,065 US8902965B2 (en) 2012-09-27 2013-03-13 Pulse shaping for generating NFC initiator transmit waveform
PCT/US2013/061351 WO2014052291A1 (en) 2012-09-27 2013-09-24 Pulse shaping for generating nfc initiator transmit waveform

Publications (3)

Publication Number Publication Date
JP2016500216A JP2016500216A (ja) 2016-01-07
JP2016500216A5 JP2016500216A5 (enExample) 2016-10-13
JP6388867B2 true JP6388867B2 (ja) 2018-09-12

Family

ID=50338833

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015534594A Expired - Fee Related JP6388867B2 (ja) 2012-09-27 2013-09-24 Ｎｆｃイニシエータ送信波形を生成するためのパルス整形

Country Status (6)

Country Link
US (1) US8902965B2 (enExample)
EP (1) EP2901565A1 (enExample)
JP (1) JP6388867B2 (enExample)
KR (1) KR20150063436A (enExample)
CN (1) CN104662808B (enExample)
WO (1) WO2014052291A1 (enExample)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9852419B2 (en) * 2012-09-17 2017-12-26 Capital One Financial Corporation Systems and methods for providing near field communications
US8903313B2 (en) * 2012-09-19 2014-12-02 Qualcomm Incorporated Adaptive slicer for a discrete level amplitude modulation receiver
US9773241B2 (en) * 2012-11-06 2017-09-26 Intel Corporation Dynamic boost of near field communications (NFC) performance/coverage in devices
US9071283B2 (en) * 2013-04-29 2015-06-30 Mediatek Singapore Pte. Ltd. Method for controlling a modulation index of a near field communication device with aid of dynamic calibration, and associated apparatus
US9461716B2 (en) * 2015-03-02 2016-10-04 Intel IP Corporation Near field communications (NFC) modulation feedback apparatus for tuned antenna configurations
SK288677B6 (sk) 2015-06-02 2019-06-04 Logomotion, S.R.O. Spôsob spracovania signálu vysielaného z NFC analógového budiča a zapojenie na jeho vykonávanie
US9742443B2 (en) * 2015-09-08 2017-08-22 Nxp B.V. Pulse shaping for radio frequency transmitters
CN106027196B (zh) * 2015-09-21 2019-07-30 天地融科技股份有限公司 一种数据传输方法及系统
CN105429614B (zh) * 2015-12-08 2018-08-03 中国航空工业集团公司西安航空计算技术研究所 一种用于提取数字脉冲信号占空比信息的电路
US10721687B2 (en) * 2015-12-17 2020-07-21 Wits Co., Ltd. Information transmitter and an apparatus including the same
KR102603180B1 (ko) * 2017-12-14 2023-11-16 삼성전자주식회사 Nfc 장치의 변조 인덱스 설정 회로, nfc 장치 및 nfc 장치의 동작 방법
FR3078424B1 (fr) 2018-02-27 2021-04-09 St Microelectronics Grenoble 2 Generation d'un signal pwm
FR3078423B1 (fr) * 2018-02-27 2020-09-04 St Microelectronics Grenoble 2 Interface de commande rfid
FR3078451A1 (fr) * 2018-02-27 2019-08-30 Stmicroelectronics (Grenoble 2) Sas Systeme de commande a variation de puissance
FR3078457A1 (fr) 2018-02-27 2019-08-30 Stmicroelectronics (Grenoble 2) Sas Systeme de commande d'un moteur
EP3570423B1 (en) * 2018-05-14 2023-04-19 Nxp B.V. Fast transient load response device for switched-mode power supply
US10211796B1 (en) * 2018-05-24 2019-02-19 Nxp B.V. Common mode voltage ramping in Class-D amplifiers minimizing AM band emissions in passive keyless entry systems
US10353384B1 (en) * 2018-07-03 2019-07-16 Stmicroelectronics, Inc. Audio playback using radio-frequency identification tag
WO2020069131A1 (en) * 2018-09-27 2020-04-02 Intel Corporation Non-linear-phase pulse-shape minimizing spurious emission at power amplifier 2nd harmonic for bpsk single-carrier modulated signal
US10992265B2 (en) 2019-03-29 2021-04-27 Eta Wireless, Inc. Multi-stage pulse shaping network
EP3761581B1 (en) 2019-07-01 2023-05-31 STMicroelectronics (ALPS) SAS Method for controlling a signal envelope shape of modulation pulses in a driver of a wireless transmitter, and corresponding integrated circuit
US11625707B1 (en) * 2020-04-27 2023-04-11 Amazon Technologies, Inc. Mitigating near-field-communication (NFC) antenna interference
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
CN111800168A (zh) * 2020-06-19 2020-10-20 易兆微电子(杭州)股份有限公司 一种用于nfc发射功率过充保护的系统及方法
EP4012935B1 (en) * 2020-12-10 2023-08-02 Panthronics AG Wave-shaping for over- and undershoot prevention
CN115102583B (zh) * 2022-08-25 2022-10-25 北京紫光青藤微系统有限公司 一种nfc通信方法、装置、可读介质及电子设备
WO2025107168A1 (en) * 2023-11-22 2025-05-30 Qualcomm Incorporated Waveforms for backscattered signals

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2589809B2 (ja) * 1989-06-12 1997-03-12 松下電器産業株式会社 Ｄ／ａ変換器
JP2816389B2 (ja) * 1992-10-05 1998-10-27 三菱電機株式会社 パルス幅変調器
US5644311A (en) * 1995-07-07 1997-07-01 Novatel Communications, Ltd. Pulse width modulation pulse shaper
US5793808A (en) * 1995-12-27 1998-08-11 Honeywell Inc. Digital processing apparatus and method to control multiple pulse width modulation drivers
US5764165A (en) * 1996-05-03 1998-06-09 Quantum Corporation Rotated counter bit pulse width modulated digital to analog converter
GB2313004A (en) * 1996-05-07 1997-11-12 Advanced Risc Mach Ltd Digital to analogue converter
JP3708292B2 (ja) * 1997-06-17 2005-10-19 三菱電機株式会社 Ｐｗｍインバータ装置の制御方法および制御装置
JP3788091B2 (ja) * 1999-03-02 2006-06-21 オムロン株式会社 データ通信装置
US6924681B2 (en) 2001-05-23 2005-08-02 Texas Instruments Incorporated Efficient pulse amplitude modulation transmit modulation
US6614323B2 (en) * 2001-11-27 2003-09-02 Motorola, Inc. Modulated RF pulse waveform generation method and device
US7308027B1 (en) * 2004-04-21 2007-12-11 Cirrus Logic, Inc. Circuits and methods for reducing distortion and noise in pulse width modulation systems utilizing full-bridge drivers
JP4563737B2 (ja) * 2004-07-02 2010-10-13 ルネサスエレクトロニクス株式会社 パルス幅変調回路
GB0416922D0 (en) 2004-07-29 2004-09-01 Innovision Res & Tech Plc Multi-tag emulator
US7502594B2 (en) 2005-04-27 2009-03-10 Codman Neuro Sciences Sárl Power regulation feedback to optimize robustness of wireless transmissions
US7649961B2 (en) 2005-06-20 2010-01-19 Freescale Semiconductor, Inc. Suppressed carrier quadrature pulse modulator
US20090011706A1 (en) 2006-05-23 2009-01-08 Innovision Research & Technology Plc Near field RF communicators and near field communications-enabled devices
US20080074183A1 (en) 2006-09-26 2008-03-27 Tai-1 Microelectronics Corp. Compensated gain control device
US8023586B2 (en) * 2007-02-15 2011-09-20 Med-El Elektromedizinische Geraete Gmbh Inductive power and data transmission system based on class D and amplitude shift keying
US9166539B2 (en) 2009-12-21 2015-10-20 Nec Corporation RF signal generation circuit and wireless transmitter
US8294465B2 (en) * 2010-03-31 2012-10-23 Natalia Gudino Switched mode pre-amplification and am feedback for on-coil switched mode amplifiers in parallel transmission MRI

Also Published As

Publication number Publication date
US8902965B2 (en) 2014-12-02
JP2016500216A (ja) 2016-01-07
EP2901565A1 (en) 2015-08-05
KR20150063436A (ko) 2015-06-09
US20140086301A1 (en) 2014-03-27
CN104662808B (zh) 2017-09-22
CN104662808A (zh) 2015-05-27
WO2014052291A1 (en) 2014-04-03

Similar Documents

Publication Publication Date Title
JP6388867B2 (ja) Ｎｆｃイニシエータ送信波形を生成するためのパルス整形
KR101627945B1 (ko) 입력 파형 정형을 위한 정류기 필터링 시스템, 방법 및 장치
US9995777B2 (en) Device detection through dynamic impedance change measurement
JP5799029B2 (ja) 無線個体識別デバイスおよび方法
US9093215B2 (en) Push-pull driver for generating a signal for wireless power transfer
KR101809292B1 (ko) 무선 전력 시스템 내의 공진 검출 및 제어
KR101897325B1 (ko) 무선 전력 수신기들에서 전압을 제한하기 위한 시스템들 및 방법들
CN105474508B (zh) 用于损耗电力检测的设备和方法
US20020077710A1 (en) Proximity-based magnetic field generator for controlling operation of RF burst-transmitting tags of geolocation system
US9496755B2 (en) Systems, methods, and apparatus for rectifier filtering for input waveform shaping
US9923584B2 (en) Rectifiers for wireless power transfer with impedance inverting filters for reduced electromagnetic interference
JP2016500216A5 (enExample)
US20130221911A1 (en) Systems and methods for sensing reverse link signaling
CN107852036A (zh) 控制无线电力发射器的场分布
KR20110009227A (ko) 무선 충전 시스템에 대한 송신 전력 제어
EP2111692A2 (en) Inductive power and data transmission system based on class d and amplitude shift keying
TW201729534A (zh) E2類放大器
CN102054057A (zh) Rfid标签电路的模拟仿真方法
JP5508599B2 (ja) モニタリング装置およびモニタリング装置における無線電力送信方法
US20180083488A1 (en) Methods and apparatus for wireless power and communication transfer
CN103036534A (zh) 近场通信（nfc）装置中的整形控制信号
JP4709899B2 (ja) エネルギ回収を利用した電子物品監視ラベルの不活性化技術
CN107368877A (zh) 非接触芯片、非接触读写系统及时钟频率调制方法
Shi et al. Co-optimization of efficiency and load modulation data rate in a wireless power transfer system
CN112803958B (zh) Nfc-sim系统、控制方法及移动终端

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20160825

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20160825

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20170530

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20170627

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20170831

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20180306

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20180413

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: 20180717

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20180815

R150 Certificate of patent or registration of utility model

Ref document number: 6388867

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees