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A data transmission method and device

A data transmission method and data technology, applied in the field of data transmission, can solve problems affecting user experience, small payment range, low flexibility, etc., to achieve the effect of improving user experience, improving flexibility, and extending payment distance

Active Publication Date: 2018-10-02
CHINA MOBILE COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, even if near-field payment is used, customers still need to be close to the POS machine at the cashier counter when paying, and the cashier needs to input the amount charged. The payment range is small and the flexibility is low. , it is inevitable that there will be crowded queues, which will affect the user experience

Method used

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  • A data transmission method and device
  • A data transmission method and device
  • A data transmission method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0173] The system structure of Embodiment 1 of the present invention is as follows Picture 8 As shown, this embodiment adds a WIFI hotspot and a commodity information server on the basis of the existing near-field payment, where the WIFI hotspot is used to provide WIFI signals and provide communication means for mobile terminals and POS machines. The commodity information server mainly stores commodity information and provides query services. Using the commodity information server can make the payment process more convenient.

[0174] In this embodiment, if the NFC chip on the mobile terminal has a P2P function, the mobile terminal enters the P2P mode, and the NFC mobile terminal issues a payment request. Picture 9 It is a schematic diagram of the flow of the payment method according to Embodiment 1 of the present invention, as Picture 9 As shown, the method includes:

[0175] Step 901: The NFC mobile terminal queries the commodity information server for designated commodity info...

Embodiment 2

[0183] For the system structure of the embodiment of the present invention, see Picture 8 In this embodiment, the NFC chip of the mobile terminal only has a card emulation function, and the mobile terminal needs to access the commodity information server through WIFI, and the commodity information server instructs the POS machine to issue a payment request.

[0184] Picture 10 It is a schematic diagram of the flow of the payment method according to Embodiment 2 of the present invention, such as Picture 10 As shown, the method includes:

[0185] Step 1001: The NFC mobile terminal queries the commodity information server for specified commodity information via WIFI;

[0186] Step 1002: The commodity information server returns the information of the designated commodity to the NFC mobile terminal.

[0187] Step 1003: The NFC mobile terminal works in the card simulation mode, and sends a request to pay for the specified commodity to the commodity information server via WIFI.

[0188] Ste...

Embodiment 3

[0195] This embodiment describes the encapsulation and decapsulation of the NFC frame.

[0196] NFC data complies with the NFC Data Exchange Format (NDEF, NFC Data Exchange Format). An NDEF message or NFC frame is composed of several records, such as Picture 11 As shown, each record format is as follows Picture 12 As shown, MB indicates that the record is the first record in the frame, ME indicates that the record is the last record in the frame, and CF is the block identification indication. SR is a short record indication. If SR=1, the payload length field is 1 byte, otherwise it is 4 bytes. IL indicates whether there is an ID length field, and TNF is the message payload type.

[0197] WIFI has three frame types: data frame, control frame and management frame. Among them, data frames are divided into data frames that carry data and data frames that do not carry data. In this embodiment, the NFC frame is encapsulated in a data frame that carries data, so the discussion of oth...

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PUM

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Abstract

An embodiment of the invention discloses a data transmission method, being applied to a data transmitting end. The method comprises steps of encapsulating near field communication (NFC) data into an NFC frame; and encapsulating the NFC frame into a WIFI frame and then sending the WIFI frame out. An embodiment of the invention also discloses a data transmission method, being applied to a data receiving end. The method comprises steps of receiving the WIFI frame; decapsulating the NFC frame from the WIFI frame; and acquiring the NFC data from the NFC frame. Correspondingly, embodiments of the invention also disclose data transmission devices and a payment system. According to the technical scheme, a mobile terminal user can finish payment without getting close to a cashier desk, so that the payment distance is expanded while the payment security is guaranteed, the payment flexibility is improved, and the user experience is improved.

Description

Technical field [0001] The invention relates to the field of data transmission, in particular to a data transmission method and device. Background technique [0002] Near Field Communication (NFC) is a short-range (2-20cm) wireless data transmission technology. In recent years, as the cost of components has fallen, relevant specifications have become mature, especially mobile smart terminals have appeared in large numbers, and it has become more and more common to integrate NFC technology in mobile terminals. [0003] The typical scenario of using NFC technology in mobile terminals is near field payment. The entire payment system is composed of mobile terminals, POS machines and payment platforms. Among them, the buyer brings the NFC-enabled mobile terminal close to the POS machine provided by the merchant. The NFC-enabled POS machine sends a payment request through electromagnetic waves in a specific frequency band. The NFC mobile terminal receives the payment request through the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B5/00H04L29/06H04W84/12
Inventor 邓小宁刘玮哲
Owner CHINA MOBILE COMM GRP CO LTD