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A method for selecting a modulation mode, a near-field communication device, and a storage medium

A near-field communication and modulation technology, which is applied in the near-field transmission system, short-distance communication service, service based on location information, etc., can solve the problems of low efficiency of near-field communication, increase of communication time, etc., so as to reduce communication time, The effect of reducing the number of transaction switching and improving efficiency

Active Publication Date: 2021-07-16
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, NFC devices can judge whether to use ALM or PLM according to the received field strength, which will increase the communication time and lead to low efficiency of near field communication.

Method used

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  • A method for selecting a modulation mode, a near-field communication device, and a storage medium
  • A method for selecting a modulation mode, a near-field communication device, and a storage medium
  • A method for selecting a modulation mode, a near-field communication device, and a storage medium

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Experimental program
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Embodiment 1

[0027] The embodiment of this application provides a method for selecting a modulation mode, such as figure 1 As shown, the method may include:

[0028] S101. Obtain current location information of the electronic device.

[0029] A method for selecting a modulation mode provided in an embodiment of the present application is applicable to a scenario where a near field communication device installed with an NFC chip performs near field communication with a reader.

[0030] In the embodiment of the present application, the near field communication device is provided with an NFC chip. At this time, the near field communication device has a near field communication function. The near field communication device here can be any device with near field communication and storage functions. For example: tablet computer, mobile phone, e-reader, remote control, personal computer (Personal Computer, PC), notebook computer, vehicle-mounted equipment, network TV, wearable equipment and othe...

Embodiment 2

[0068] The embodiment of the present application provides a near field communication device 1, such as Figure 4 As shown, the near field communication device 1 may include:

[0069] An acquisition unit 10, configured to acquire current location information of the electronic device;

[0070] The determining unit 11 is configured to determine a near field communication type of the electronic device according to the current location information; and determine a target modulation mode of the near field communication according to the near field communication type.

[0071] Optionally, the near field communication device 1 further includes: a search unit;

[0072] The search unit is configured to search for a target NFC type corresponding to the current location information in a preset mapping relationship according to the current location information; wherein, the preset mapping relationship is used to establish the current location information Correspondence with at least one t...

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Abstract

An embodiment of the present application provides a method for selecting a modulation mode, a near-field communication device, and a storage medium. The method includes: acquiring current location information of an electronic device; determining the type of near-field communication of the electronic device according to the current location information; Communication type, which determines the target modulation method of near field communication.

Description

technical field [0001] The present application relates to the field of electronic applications, and in particular to a method for selecting a modulation mode, a near-field communication device, and a storage medium. Background technique [0002] Near Field Communication (NFC) is an emerging technology, and near field communication devices using the NFC technology can exchange data when they are close to each other. The working principle of NFC is that after receiving the field strength sent by the Reader, the NFC near-field communication device superimposes response information on the field strength to form a load modulation signal, and sends the load modulation signal back to the Reader. When the NFC near-field communication device generates a modulated signal, it may adopt an active load modulation (Active Load Modulation, ALM) or a passive load modulation (Passive Load Modulation, PLM) manner. [0003] Currently, the NFC device can judge whether to use the ALM or the PLM...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/02H04W4/80H04B5/00
CPCH04B5/0031H04W4/02H04W4/80
Inventor 贾玉虎
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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