WO2012155788A1 - Terminal de communication en champ proche possédant une fonction d'économie d'énergie - Google Patents

Terminal de communication en champ proche possédant une fonction d'économie d'énergie Download PDF

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Publication number
WO2012155788A1
WO2012155788A1 PCT/CN2012/074991 CN2012074991W WO2012155788A1 WO 2012155788 A1 WO2012155788 A1 WO 2012155788A1 CN 2012074991 W CN2012074991 W CN 2012074991W WO 2012155788 A1 WO2012155788 A1 WO 2012155788A1
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WO
WIPO (PCT)
Prior art keywords
communication terminal
short
range communication
distance sensor
distance
Prior art date
Application number
PCT/CN2012/074991
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English (en)
Chinese (zh)
Inventor
王晓君
张帆
Original Assignee
惠州Tcl移动通信有限公司
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 惠州Tcl移动通信有限公司 filed Critical 惠州Tcl移动通信有限公司
Publication of WO2012155788A1 publication Critical patent/WO2012155788A1/fr

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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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to a short-range wireless communication terminal, and more particularly to a short-range communication terminal having a power saving function.
  • NFC Near Field Communication, short-range wireless communication technology has been compatible with existing contactless smart card technology, and has the characteristics of close distance, high bandwidth and low energy consumption. NFC provides easy, secure, fast and automatic communication between various devices, and is widely used in access control, public transportation, mobile payment and other fields.
  • NFC-enabled terminals With the convenience of mobile payment, there are more and more NFC-enabled terminals.
  • the NFC terminal When the NFC terminal is in the master mode, its NFC module is always in the active transmit state, resulting in additional power consumption, which additionally consumes battery power.
  • a short-range communication terminal having a power saving function including:
  • a distance sensor for detecting whether an NFC device is in close proximity to the short-range communication terminal, and detecting that an NFC device is in proximity to the short-range communication terminal, and detecting the NFC device communicating with the short-range communication Output an interrupt signal when the distance of the terminal reaches the threshold;
  • a baseband processor for activating the NFC module in the short-range communication terminal via an SPI bus or an I2C bus in response to the interrupt signal
  • the distance sensor and the NFC module are respectively connected to the baseband processor.
  • the distance sensor is provided with:
  • An anti-shake register configured to control the distance sensor to output an effective interrupt signal to the distance sensor when the distance sensor detects that the distance between the NFC device and the short-range communication terminal is within a threshold value Baseband processor.
  • the anti-shake register continuously detects that the distance between the NFC device and the short-range communication terminal is within a threshold value depends on the anti-shake
  • the anti-shake time of the register and the sampling interval of the analog-to-digital converter inside the distance sensor is 50 milliseconds.
  • the baseband processor is provided with:
  • the baseband processor is further configured to: after the timer reaches a timing time, read a current distance between the NFC device and the short-range communication terminal, and when the current distance is within a threshold value, The NFC module of the short-range communication terminal is activated.
  • the timing time is 100 milliseconds.
  • the threshold value is 10 cm.
  • a short-range communication terminal having a power saving function including:
  • a distance sensor for detecting whether an NFC device is close to the short-range communication terminal, and outputting an interrupt signal when detecting that a distance between the NFC device and the short-range communication terminal reaches a threshold value
  • a baseband processor for activating an NFC module in the short-range communication terminal in response to the interrupt signal
  • the distance sensor and the NFC module are respectively connected to the baseband processor.
  • the distance sensor is provided with an anti-shake register for detecting the NFC device and the short-range communication terminal repeatedly for the distance sensor When the distance is within the threshold value, the distance sensor is controlled to output an effective interrupt signal to the baseband processor.
  • the anti-shake register continuously detects that the distance between the NFC device and the short-range communication terminal is within a threshold value depends on the anti-shake register
  • the anti-shake time and the sampling interval of the analog-to-digital converter inside the distance sensor, the anti-shake time is 50 milliseconds.
  • the baseband processor is provided with a timer for timing when the baseband processor receives the interrupt signal output by the distance sensor;
  • the baseband processor is further configured to: after the timer reaches a timing time, read a current distance between the NFC device and the short-range communication terminal, and when the current distance is within a threshold value, The NFC module of the short-range communication terminal is activated.
  • the timing time is 100 milliseconds.
  • the threshold value is 10 cm.
  • the short-range communication terminal having the power-saving function provided by the embodiment of the present invention detects whether there is an NFC device paired with the short-range communication terminal by the distance sensor, and when the distance between the NFC device and the short-range communication terminal reaches a threshold value, The interrupt signal is output to the baseband processor, and the baseband processor activates the NFC module in the short-range communication terminal to implement the NFC function of the terminal after receiving the interrupt signal. However, when the baseband processor does not receive the interrupt signal, the NFC module processes power saving. The state saves battery power and extends battery life.
  • the short-distance communication terminal with the power-saving function provided by the embodiment of the invention prevents the baseband processor from being triggered by the anti-shake mechanism, and further improves the power-saving effect of the short-range communication terminal.
  • FIG. 1 is a structural block diagram of a preferred embodiment of a short-range communication terminal having a power saving function according to the present invention.
  • FIG. 2 is a structural block diagram of a short-range communication terminal according to a first preferred embodiment of the present invention.
  • FIG. 3 is a structural block diagram of a short-range communication terminal according to a second preferred embodiment of the present invention.
  • the present invention provides a short-range communication terminal having a power-saving function.
  • the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
  • a short-range communication terminal having a power-saving function has an NFC module capable of implementing a mobile payment function, and includes a distance sensor and a baseband processor, and the distance sensor is connected to a baseband processor.
  • the distance sensor is configured to detect in real time whether there is an NFC device paired with the short-range communication terminal, and output an interrupt signal to the baseband processor when the distance between the NFC device and the short-range communication terminal reaches a threshold.
  • the baseband processor is configured to activate an NFC function of the short-range communication terminal to perform an NFC function in response to the interrupt signal.
  • the distance sensor and the NFC module are respectively connected to the baseband processor.
  • the NFC module is set to a power-saving state, and the NFC module is activated only when the paired NFC device is close to the NFC terminal, thereby reducing the extra power consumption of the battery and achieving the purpose of power saving.
  • the threshold value of the distance sensor can be set by software, and the size thereof depends on the transmit power of the sender and the receiving sensitivity of the receiver. According to the actual situation of the NFC terminal, the present invention sets the threshold value of the distance sensor to be 10 CM.
  • the present invention provides an interrupt anti-shake mechanism to prevent false triggering of the baseband processor.
  • FIG. 2 is a structural block diagram of a first preferred embodiment of the present invention.
  • An anti-shake register is disposed in the distance sensor, and the anti-shake register is configured to control the distance sensor to output an effective interrupt signal when the distance sensor detects that the distance between the NFC device and the short-range communication terminal is within a threshold range.
  • the FNC module is actually activated when the baseband processor receives a valid interrupt signal from the proximity sensor.
  • the present invention also provides a second preferred embodiment when there is no built-in anti-shake register in the distance sensor.
  • FIG. 3 is a structural block diagram of a second preferred embodiment of the present invention.
  • the baseband processor is provided with a timer for timing when the baseband processor receives the interrupt signal output by the distance sensor; the baseband processor is further configured to read the NFC device after the timer reaches the timing time
  • the NFC module is activated when the current distance from the short-range communication terminal is within the threshold value range.
  • the timer timing is 100ms, and the timing time only needs to be able to shield the invalid interrupt signal, and the NFC device pairing time is too long.
  • the baseband processor when the baseband processor receives the interrupt signal from the distance sensor (the interrupt is not subjected to anti-shake processing, it may be triggered by an error), the internal timer is turned on, and the timing starts. When the time is up, The baseband processor reads the current distance obtained by the distance sensor from the distance sensor through the SPI bus or the I2C bus. If the current distance is less than the threshold value, the current distance is considered to be less than the threshold value, and the baseband processor is at this time.
  • the NFC module is activated by the SPI bus or the I2C bus to implement the NFC function of the short-range communication terminal.
  • the setting of the distance sensor anti-shake time is determined by the internal ADC sampling interval INTERVAL and the software-set anti-shake number N, so no additional timer is needed.
  • the present invention is suitable for using the second preferred embodiment, and the anti-shake function is implemented by using a timer provided by the baseband processor.
  • the short-distance communication terminal with power saving function detects whether there is an NFC device paired with the short-range communication terminal by using the distance sensor, and the distance between the NFC device and the short-range communication terminal is reached.
  • the interrupt signal is output to the baseband processor, and after receiving the interrupt signal, the baseband processor activates the NFC module in the short-range communication terminal to implement the NFC function of the terminal, but when the baseband processor does not receive the interrupt signal, the NFC The modules all handle the power saving state, which saves battery power and extends battery life.
  • the short-distance communication terminal with the power-saving function provided by the embodiment of the invention prevents the baseband processor from being triggered by the anti-shake mechanism, and further improves the power-saving effect of the short-range communication terminal.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un terminal de communication en champ proche (NFC) possédant une fonction d'économie d'énergie, comprenant : un détecteur de proximité, configuré pour détecter si un équipement NFC s'approche du terminal NFC, et pour émettre un signal d'interruption lorsqu'une distance entre l'équipement NFC et le terminal NFC atteint un seuil ; et un processeur de bande de base, configuré pour répondre au signal d'interruption, et pour activer un module NFC dans le terminal NFC. La présente invention permet d'économiser l'énergie d'une batterie du module NFC dans le terminal NFC.
PCT/CN2012/074991 2011-05-19 2012-05-02 Terminal de communication en champ proche possédant une fonction d'économie d'énergie WO2012155788A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110130549.9 2011-05-19
CN201110130549.9A CN102195689B (zh) 2011-05-19 2011-05-19 具有省电功能的近距离通信终端

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WO2012155788A1 true WO2012155788A1 (fr) 2012-11-22

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CN (1) CN102195689B (fr)
WO (1) WO2012155788A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015043842A2 (fr) * 2013-09-30 2015-04-02 Huf Hülsbeck & Fürst Gmbh & Co. Kg Composant électronique pour un émetteur d'identification d'un véhicule
CN106941378A (zh) * 2017-04-17 2017-07-11 胡燕红 一种近距离数据接收装置及通讯方法

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* Cited by examiner, † Cited by third party
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CN102195689B (zh) * 2011-05-19 2014-07-30 惠州Tcl移动通信有限公司 具有省电功能的近距离通信终端
CN102591269A (zh) * 2011-12-27 2012-07-18 珠海派诺科技股份有限公司 设备识别方法及主设备模块和从设备模块
CN102752681A (zh) * 2012-06-18 2012-10-24 歌尔声学股份有限公司 基于nfc的蓝牙耳机以及基于nfc的蓝牙通信方法
CN103873101A (zh) * 2012-12-17 2014-06-18 鸿富锦精密工业（深圳）有限公司 具有省电功能的近距离通信终端及其省电方法
CN104009780A (zh) * 2013-02-26 2014-08-27 原相科技股份有限公司 通信协议系统及其可自动执行联机切换的方法
CN104469905B (zh) * 2014-11-14 2018-07-13 惠州Tcl移动通信有限公司 降低nfc芯片闲置时功耗的方法及系统
CN105825099A (zh) * 2016-03-23 2016-08-03 惠州Tcl移动通信有限公司 一种感应解锁的方法、系统及移动终端
CN105743546A (zh) * 2016-04-26 2016-07-06 席国栋 一种近程通信方法和系统
CN110190874B (zh) * 2019-05-13 2021-06-22 惠州Tcl移动通信有限公司 一种移动终端nfc检测控制方法、移动终端及存储介质
CN117749936A (zh) * 2024-02-19 2024-03-22 花瓣支付(深圳)有限公司 显示方法、电子设备及计算机存储介质

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CN102195689A (zh) * 2011-05-19 2011-09-21 惠州Tcl移动通信有限公司 具有省电功能的近距离通信终端

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CN101237256B (zh) * 2007-02-01 2012-04-11 联想移动通信科技有限公司 电子设备及其被其它电子设备通过nfc控制的方法

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JP2008242705A (ja) * 2007-03-27 2008-10-09 Matsushita Electric Works Ltd 無線マウス装置
CN101951444A (zh) * 2010-09-29 2011-01-19 中兴通讯股份有限公司 一种实现移动终端锁屏和开屏的方法及移动终端
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Publication number Priority date Publication date Assignee Title
WO2015043842A2 (fr) * 2013-09-30 2015-04-02 Huf Hülsbeck & Fürst Gmbh & Co. Kg Composant électronique pour un émetteur d'identification d'un véhicule
WO2015043842A3 (fr) * 2013-09-30 2015-05-21 Huf Hülsbeck & Fürst Gmbh & Co. Kg Composant électronique pour un émetteur d'identification d'un véhicule
CN106941378A (zh) * 2017-04-17 2017-07-11 胡燕红 一种近距离数据接收装置及通讯方法

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CN102195689B (zh) 2014-07-30

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