CN113115295B - Data transmission method and system for mobile equipment - Google Patents
Data transmission method and system for mobile equipment Download PDFInfo
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- CN113115295B CN113115295B CN202110436558.4A CN202110436558A CN113115295B CN 113115295 B CN113115295 B CN 113115295B CN 202110436558 A CN202110436558 A CN 202110436558A CN 113115295 B CN113115295 B CN 113115295B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/40—Connection management for selective distribution or broadcast
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- 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
Abstract
The invention discloses a data transmission method and a system for mobile equipment, wherein the method comprises the following steps: the first mobile equipment circularly sends the stored at least one card type sequence before starting data transmission, wherein the at least one card type sequence corresponds to at least one second mobile equipment in a one-to-one mode; and after receiving a connection request sent by the second mobile device corresponding to the at least one card type sequence, the first mobile device establishes a connection with the second mobile device to perform subsequent data transmission. According to the invention, the preset NFC card types stored in the first mobile equipment and the second mobile equipment are directly matched, so that the data exchange speed between the two mobile equipment can be increased, the data transmission operation can be rapidly carried out, and the user experience is improved.
Description
Technical Field
The invention relates to the field of data transmission, in particular to a data transmission method and system for mobile equipment.
Background
NFC (Near Field Communication) technology is a wireless technology that transmits signals by radio waves and receives radio waves of a corresponding frequency band.
With the development and popularization of the NFC technology, more and more mobile devices adopt the NFC technology to realize functions of bus cards, bank cards and the like, so that users do not need to carry various cards any more, operations such as online card swiping, mobile payment and point-to-point file transmission can be completed only through the mobile devices, and the NFC mobile device has higher convenience.
Whether the processes of signal receiving and signal sending of NFC are smooth depends mainly on the performance of the NFC antenna. In order to optimize the use effect of NFC, mobile device manufacturers generally set the fingerprint antenna in the rear cover to enlarge the area of the fingerprint antenna, thereby improving the communication effect. The fingerprint antenna who covers after setting up covers metal contact and mobile device's mainboard connection after through, has increased the convenience in use and the communication sensitivity of mobile device NFC function. The NFC-based peer-to-peer (P2P) mode allows two NFC-enabled mobile devices to establish a communication link and exchange data, and may enable scenarios such as business card exchange, bluetooth pairing, social networking, data exchange between devices, and the like. However, the peer-to-peer data exchange mode based on NFC needs to go through a stage of searching for a card or a peer device, a device connection stage, and a data transmission stage, and it is often time consuming for NFC communication with less data content (for example, data with a file size less than 500K).
Disclosure of Invention
In view of the above drawbacks of the prior art, the present invention provides a data transmission method and system for a mobile device, wherein when a user uses an NFC function in the mobile device to perform data transmission operations with other mobile devices connected to the user, such as transmitting a business card, the data transmission method and system can improve data exchange speed between two mobile devices by directly sending a stored NFC card type sequence in a broadcast signaling and matching the stored NFC card type sequence with a preset NFC card type in the other mobile devices, thereby enabling data transmission operations to be performed quickly and improving user experience.
To achieve the above object, an embodiment of the present invention provides a data transmission method for a mobile device, where the method includes: the first mobile equipment circularly sends the stored at least one card type sequence before starting data transmission, wherein the at least one card type sequence corresponds to at least one second mobile equipment in a one-to-one mode; and after receiving a connection request sent by the second mobile device corresponding to the at least one card type sequence, the first mobile device establishes a connection with the second mobile device to perform subsequent data transmission.
Further, when establishing the initial connection with the second mobile device, the first mobile device assigns a specific card type sequence to the second mobile device in a preset manner, and stores the card type sequence in the first mobile device.
Further, the second mobile device matches the received at least one card type sequence with the stored specific card type sequence and issues a connection request to the first mobile device when the matching is successful.
Further, the sequence of card types is generated by a user through manual input by the first mobile device, or randomly generated by the first mobile device.
Further, the first mobile device transmits the at least one card type sequence cyclically at preset time intervals.
The embodiment of the invention also provides the first mobile equipment, which is used for circularly sending the stored at least one card type sequence corresponding to at least one second mobile equipment one by one before starting data transmission; and the second mobile equipment is used for matching the received at least one card type sequence with the stored specific card type sequence and sending a connection request to the first mobile equipment to establish connection when the matching is successful.
The first mobile device further comprises: a sequence storage unit for storing at least one card type sequence corresponding to the at least one second mobile device; a sequence sending unit, configured to send the at least one card type sequence cyclically at preset time intervals when starting data transmission; a connection confirming unit, configured to confirm the connection request sent by the second mobile device and establish a connection; and a data transmission unit for transmitting the data content to be transmitted to the second mobile device after the connection is established.
The first mobile device is further to: and when the first connection is established with the second mobile equipment, allocating a specific card type sequence to the second mobile equipment in a preset mode and storing the card type sequence.
The first mobile device is further to: when the first mobile device receives the connection request sent by the second mobile device, the first mobile device stops sending the at least one card type sequence and establishes connection with the second mobile device.
The second mobile device further comprises: a sequence search unit for searching for at least one card type sequence from the first mobile device; a sequence matching unit for matching the at least one card type sequence with a specific card type sequence stored by the second mobile device; a connection request unit, configured to send a connection request to the first mobile device to establish a connection when matching is successful; and a data receiving unit, configured to receive the data content sent from the first mobile device after the connection is established.
The method and the device have the advantages that when a user uses the NFC function in the mobile equipment to perform NFC communication with other connected mobile equipment with less data content, the stored NFC card type sequence is sent in the broadcast signaling and is directly matched with the preset NFC card types in other mobile equipment, so that the rapid data exchange between the mobile equipment can be realized, and the user experience is improved.
Drawings
The technical solution and other advantages of the present invention will become apparent from the following detailed description of specific embodiments of the present invention, which is to be read in connection with the accompanying drawings.
Fig. 1 shows a flowchart of a data transmission method for a mobile device according to a first embodiment of the present invention.
Fig. 2 is a schematic diagram of a data transmission system for a mobile device according to a second embodiment of the present invention.
Fig. 3 shows a schematic structural diagram of a first mobile device provided in accordance with a second embodiment of the present invention.
Fig. 4 shows a schematic structural diagram of a second mobile device provided according to a second embodiment of the present invention.
Fig. 5 is a flowchart illustrating a data content transmission method for a mobile device according to a third embodiment of the present invention.
Fig. 6 shows a flowchart of a data content transmission method for a mobile device according to a fourth embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
The terms "first," "second," "third," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the objects so described are interchangeable under appropriate circumstances. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover a non-exclusive inclusion. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in the form of software, or in one or more hardware circuits or integrated circuits, or in different networks and/or processor means and/or microcontroller means.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The present invention will be described in further detail with reference to the accompanying drawings and detailed description, in order to make the objects, features and advantages thereof more comprehensible.
Fig. 1 shows a flowchart of a data transmission method for a mobile device according to a first embodiment of the present invention, where the method includes the following steps:
step S10, the first mobile device sends the stored at least one card type sequence in a loop before starting data transmission, wherein the at least one card type sequence corresponds to at least one second mobile device one to one;
step S20, after receiving the connection request sent by the second mobile device corresponding to the at least one card type sequence, the first mobile device establishes a connection with the second mobile device to perform subsequent data transmission.
Specifically, in step S10, first, the first mobile device and the second mobile device start the NFC data transfer function; and then, the first mobile equipment selects data content needing to be transmitted, and triggers the operation of sending the NFC card type sequence according to a preset rule, and the second mobile equipment is in a state of searching the NFC card type sequence after the NFC function is started. The triggering according to the preset rule comprises key triggering or automatic triggering after selecting the data content to be transmitted, and the triggering is not limited herein; in addition, the first mobile device sends the stored NFC card type sequence in broadcast signaling, where the NFC card type sequence is composed of a string of NFC card types, such as "rrk", "uLS4", "light", "1234", "ooo", and further, when the NFC card type sequence is sent in a loop, the sending time interval of each NFC card type sequence is T1, and preferably, T1 is 0.02 seconds.
Further, before starting the NFC data transmission function, the first mobile device allocates a specific NFC card type sequence to the second mobile device in a preset manner as a preset card type sequence stored in the second mobile device, and stores the card type sequence in the first mobile device. The sequence of card types is generated by a user through manual input by the first mobile device or randomly generated by the first mobile device. The preset mode includes, but is not limited to, a mode that connection can be established between the first mobile device and the second mobile device and data transmission can be performed, such as bluetooth connection and WIFI connection.
In step S20, after the first mobile device receives the connection request sent by the second mobile device corresponding to the at least one NFC card type sequence, that is, after the second mobile device searches for an NFC card type sequence matching the stored preset card type sequence, the first mobile device stops sending the NFC card type sequence, and establishes a connection with the second mobile device; subsequently, the first mobile equipment transmits the NFC data content needing to be transmitted to the second mobile equipment; and after the first mobile equipment completes data transmission, disconnecting the first mobile equipment from the second mobile equipment.
In this embodiment, the first mobile device and the second mobile device include mobile devices such as a mobile phone, a digital camera, and a game machine with NFC function, and are used for performing peer-to-peer wireless intercommunication, exchanging data, or providing services. The NFC data content transmitted by the first mobile device comprises data content of which the size of files such as pictures, electronic business cards and audio is smaller than a preset threshold value.
Fig. 2 shows a schematic diagram of a data transmission system 100 for a mobile device according to a second embodiment of the present invention, where the system 100 includes: a first mobile device 10 configured to cyclically transmit at least one stored card type sequence corresponding to at least one second mobile device 20 one to one before starting data transmission; and a second mobile device 20 for matching the received at least one card type sequence with the stored specific card type sequence and issuing a connection request to the first mobile device 10 to establish a connection when the matching is successful.
Specifically, the user starts the NFC data transmission function of the first mobile device 10 and the second mobile device 20; the first mobile equipment selects NFC data content needing to be transmitted; the first mobile equipment circularly sends the NFC card types in the sequence at intervals of preset time T1 according to the stored NFC card type sequence; the second mobile device 20 searches the NFC card type sequence sent by the first mobile device 10, matches the NFC card type sequence with a preset NFC card type sequence stored in the second mobile device, and sends a connection request to the first mobile device 10 after matching is successful; the first mobile device 10 stops sending the NFC card type sequence after receiving the connection request, and establishes a connection with the second mobile device 20; the first mobile device 10 transmits the NFC data content to be transmitted to the second mobile device 20; when the first mobile device 10 completes the data transfer, the connection with the second mobile device 20 is disconnected.
Fig. 3 shows a schematic structural diagram of a first mobile device 10 provided according to a second embodiment of the present invention, specifically, the first mobile device 10 includes: a sequence storage unit 1 for storing at least one card type sequence corresponding to the at least one second mobile device 20; a sequence sending unit 2, configured to send the at least one card type sequence cyclically at preset time intervals when starting data transmission; a connection confirming unit 3, configured to confirm the connection request sent by the second mobile device and establish a connection; and a data transmission unit 4 for transmitting data content to be transmitted to the second mobile device 20 after the connection is established.
Wherein the sequence storage unit 1 stores an NFC card type sequence manually input by a user when the first mobile device 10 establishes a connection with the second mobile device 20 for the first time, or stores an NFC card type sequence randomly generated by the first mobile device 10. The NFC CARD type sequence may, for example, be composed of a plurality of NFC CARD types, denoted as NFC CARD type CARD [ N ], where N is the number of NFC CARD types. The card type sequence consisting of NFC card types may be represented as: an NFC CARD type CARD [0], an NFC CARD type CARD [1], an NFC CARD type CARD [2], … …, an NFC CARD type CARD [ N-2], and an NFC CARD type CARD [ N-1 ]. For a second mobile device 20 to which the first mobile device 10 has been connected, the first mobile device 10 will assign a string of NFC card type sequences to it, and will send the string of NFC card type sequences to the connected second mobile device 20 as a preset NFC card type sequence stored in the second mobile device 20; thus, for each second mobile device 20 to which the first mobile device 10 has been connected, the first mobile device 10 will maintain a unique specific NFC card type sequence corresponding to each second mobile device 20. When the NFC data transmission needs to be performed to a certain second mobile device 20, the sequence sending unit 2 of the first mobile device 10 sends out the stored NFC CARD type sequences corresponding to all second mobile devices 20 in a loop, where the sending time interval of each NFC CARD type sequence may be set to T1, and after sending the NFC CARD type CARD [ N-1], the stored NFC CARD type sequences are sent from the NFC CARD type CARD [0] in sequence until the matching with the corresponding second mobile device 20 is successful. If the first mobile device 10 stores a plurality of NFC card type sequences, the sequence transmitting unit 2 transmits all stored card type sequences in a circulating manner each time.
Fig. 4 shows a schematic structural diagram of a second mobile device 20 provided according to a second embodiment of the present invention, specifically, the second mobile device 20 includes: a sequence search unit 11 for searching for at least one card type sequence from the first mobile device 10; a sequence matching unit 12 for matching the at least one card type sequence with a specific card type sequence stored by the second mobile device 20; a connection request unit 13, configured to issue a connection request to the first mobile device 10 to establish a connection when the matching is successful; and a data receiving unit 14, configured to receive the data content sent from the first mobile device 10 after the connection is established.
The sequence searching unit 11 is configured to search for an NFC card type sequence matching a preset NFC card type sequence stored therein, where the preset NFC card type sequence is an NFC card type sequence that is allocated by the first mobile device 10 when the first mobile device 10 is connected for the first time and is sent to the second mobile device 20 by the first mobile device 10. The sequence matching unit 12 is configured to obtain a cyclic NFC card type, obtain a non-cyclic portion in the obtained cyclic card type, and compare the non-cyclic portion to determine whether the NFC card type sequence sent by the first mobile device 10 matches an NFC card sequence preset by the second mobile device 20.
Fig. 5 is a flowchart illustrating a data content transmission method for a mobile device according to a third embodiment of the present invention. In this embodiment, the data content may be a business card; the first mobile device and the second mobile device may be devices such as a mobile phone and a tablet computer which need to share business card data. It should be understood that the data volume of the business card is fixed, the situation that continuous transmission is needed does not exist, meanwhile, the data volume of the business card is generally composed of the contents of names, telephones and the like, and the contents of the business card are not as large as those of video files, so that the file with small data volume is rapidly transmitted, and the user experience is improved.
It should be understood that the related features of the third embodiment and the first and second embodiments can be referred to and referred to each other, and are not described in detail herein.
Specifically, the data content transmission method for a mobile device provided by the third embodiment of the present invention includes the following steps:
step S100, the user respectively starts the NFC business card transmission functions of the first mobile device and the second mobile device.
S101, selecting the NFC business card content needing to be sent to second mobile equipment by a user through first mobile equipment, and triggering the operation of sending an NFC card type sequence according to a preset rule; the triggering according to the preset rule comprises key triggering or automatic triggering after selecting the data content needing to be transmitted.
And S102, the first mobile equipment circularly sends the NFC card type sequence according to a preset rule. The NFC card type sequence is a specific NFC card type sequence which is distributed to the second mobile equipment by the first mobile equipment in a preset mode and serves as a preset card type sequence stored in the second mobile equipment, and the card type sequence is stored in the first mobile equipment and used for subsequent quick data transmission.
And S103, the second mobile equipment searches the NFC card type sequence sent by the first mobile equipment, matches the NFC card type sequence with the NFC card type sequence stored in the second mobile equipment, and sends a connection request to the first mobile equipment after the matching is successful.
Step S104, after receiving the connection request from the second mobile device, the first mobile device stops sending the NFC card type sequence, and establishes a connection with the second mobile device.
And step S105, the first mobile equipment transmits the NFC business card content needing to be transmitted to the second mobile equipment.
And S106, after the first mobile equipment completes transmission, disconnecting the first mobile equipment from the second mobile equipment.
The invention provides a business card transmission method and a business card transmission device for mobile equipment, and aims to improve the exchange speed of business card data between two mobile equipment when a user uses an NFC function in the mobile equipment to perform data transmission operation with other mobile equipment, such as business card transmission, so that the data business card transmission operation can be performed quickly and the user experience is improved.
Fig. 6 shows a flowchart of a data content transmission method for a mobile device according to a fourth embodiment of the present invention. In this embodiment, the data content may be a picture with a file size smaller than 500K; similar to the third embodiment, the first mobile device and the second mobile device may be a mobile phone, a tablet computer, or other devices that need to share business card data. In this embodiment, the first mobile device stores NFC card type sequences of a plurality of different second mobile devices.
It should be understood that the related features of the fourth embodiment and the first to third embodiments can be referred to and referred to each other, and are not repeated herein.
Specifically, the data content transmission method for a mobile device according to the fourth embodiment of the present invention may include the following steps:
step S200, the user respectively starts the NFC picture transmission function of the first mobile device and the second mobile device.
Step S201, a user selects picture contents needing to be sent to second mobile equipment through first mobile equipment, and triggers and sends a plurality of NFC card type sequences according to a preset rule; similarly, the triggering according to the preset rule comprises key triggering or automatic triggering after selecting the data content needing to be transmitted.
Step S202, the first mobile equipment circularly sends a plurality of NFC card type sequences according to a preset rule. The NFC card type sequence is a preset card type sequence stored in a plurality of second mobile devices, and the plurality of card type sequences are stored in the first mobile device for subsequent shortcut data transmission.
Step S203, after the NFC picture transmission function is started, one of the plurality of second mobile devices searches for the NFC card type sequence sent by the first mobile device and matches the NFC card type sequence stored in the second mobile device, and sends a connection request to the first mobile device after matching is successful.
Step S204, after receiving the connection request from the second mobile device, the first mobile device stops sending the NFC card type sequence, and establishes a connection with the second mobile device.
And S205, the first mobile equipment transmits the NFC business card content needing to be transmitted to the second mobile equipment.
And step S206, after the first mobile equipment completes transmission, disconnecting the first mobile equipment from the second mobile equipment.
In another embodiment, a computer-readable storage medium is provided, on which a computer program is stored which, when being executed by a processor, carries out the following steps of a data transmission method for a mobile device:
the first mobile device cyclically transmitting the stored at least one card type sequence when initiating data transmission, wherein the at least one card type sequence corresponds to at least one second mobile device; and the first mobile device receives a connection request sent by the second mobile device corresponding to the at least one card type sequence, and establishes a connection with the second mobile device to perform data transmission. Before triggering data transmission, the first mobile device allocates a specific card type sequence to the second mobile device in a preset mode, and stores the card type sequence in the first mobile device. Wherein the sequence of card types is generated by a user through manual input by the first mobile device or randomly generated by the first mobile device. Wherein the first mobile device transmits the at least one card type sequence cyclically at preset time intervals. When the first mobile device receives the connection request sent by the second mobile device, the first mobile device stops sending the at least one card type sequence and establishes connection with the second mobile device.
For specific limitations and implementation of the above steps, reference may be made to the first to fourth embodiments, which are not described herein again.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The data transmission method and system for a mobile device according to the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by applying specific examples, and the descriptions of the above embodiments are only used to help understanding the technical solutions and core ideas of the present invention; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A method of data transmission for a mobile device, the method comprising:
the first mobile device circularly sends the stored at least one card type sequence before starting data transmission, wherein the at least one card type sequence corresponds to at least one second mobile device in a one-to-one mode; and
after receiving a connection request sent by the second mobile device corresponding to the at least one card type sequence, the first mobile device establishes a connection with the second mobile device to perform subsequent data transmission.
2. The data transmission method for a mobile device of claim 1, wherein the method further comprises:
when the first connection is established with the second mobile equipment, the first mobile equipment allocates a specific card type sequence to the second mobile equipment in a preset mode, and stores the card type sequence in the first mobile equipment.
3. The data transmission method for a mobile device of claim 2, wherein the method further comprises: the second mobile device matches the received at least one card type sequence with the stored specific card type sequence and issues a connection request to the first mobile device when the matching is successful.
4. The data transmission method for a mobile device of claim 1, wherein the card type sequence is generated by a user through manual input by the first mobile device or randomly generated by the first mobile device.
5. The data transmission method for a mobile device of claim 1, wherein the method further comprises: the first mobile device transmits the at least one card type sequence cyclically at preset time intervals.
6. A data transmission system for a mobile device, the system comprising:
the first mobile equipment is used for circularly sending the stored at least one card type sequence which corresponds to at least one second mobile equipment one by one before starting data transmission; and
and the second mobile equipment is used for matching the received at least one card type sequence with the stored specific card type sequence and sending a connection request to the first mobile equipment to establish connection when the matching is successful.
7. The data transmission system for a mobile device of claim 6, wherein said first mobile device further comprises:
a sequence storage unit for storing at least one card type sequence corresponding to the at least one second mobile device;
the sequence sending unit is used for circularly sending the at least one card type sequence at preset time intervals when starting data transmission;
a connection confirming unit, configured to confirm the connection request sent by the second mobile device and establish a connection; and
and the data transmission unit is used for sending the data content to be transmitted to the second mobile equipment after the connection is established.
8. The data transmission system for a mobile device of claim 6, wherein the first mobile device is further to:
and when the first connection is established with the second mobile equipment, allocating a specific card type sequence to the second mobile equipment in a preset mode and storing the card type sequence.
9. The data transmission system for a mobile device of claim 6, wherein the first mobile device is further to: when the first mobile device receives the connection request sent by the second mobile device, the first mobile device stops sending the at least one card type sequence and establishes connection with the second mobile device.
10. The data transmission system for a mobile device of claim 6, wherein said second mobile device further comprises:
a sequence search unit for searching for at least one card type sequence from the first mobile device;
a sequence matching unit for matching the at least one card type sequence with a specific card type sequence stored by the second mobile device;
a connection request unit, configured to send a connection request to the first mobile device to establish a connection when matching is successful; and
and the data receiving unit is used for receiving the data content sent by the first mobile equipment after the connection is established.
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| CN106557716A (en) * | 2015-09-29 | 2017-04-05 | 恩智浦有限公司 | Near field communication means |
| CN110996307A (en) * | 2019-11-22 | 2020-04-10 | 华为技术有限公司 | Accessory device, host device and data transmission method |
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| JP5289460B2 (en) * | 2007-11-30 | 2013-09-11 | サムスン エレクトロニクス カンパニー リミテッド | System and method for secure communication in a near field communication network |
| US9100393B2 (en) * | 2010-11-04 | 2015-08-04 | Apple Inc. | Simulacrum of physical security device and methods |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106557716A (en) * | 2015-09-29 | 2017-04-05 | 恩智浦有限公司 | Near field communication means |
| CN110996307A (en) * | 2019-11-22 | 2020-04-10 | 华为技术有限公司 | Accessory device, host device and data transmission method |
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