WO2015172436A1 - Procédé et dispositif de découverte mutuelle de terminaux - Google Patents

Procédé et dispositif de découverte mutuelle de terminaux Download PDF

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Publication number
WO2015172436A1
WO2015172436A1 PCT/CN2014/083296 CN2014083296W WO2015172436A1 WO 2015172436 A1 WO2015172436 A1 WO 2015172436A1 CN 2014083296 W CN2014083296 W CN 2014083296W WO 2015172436 A1 WO2015172436 A1 WO 2015172436A1
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WO
WIPO (PCT)
Prior art keywords
terminal
information
mac address
contact relationship
contact
Prior art date
Application number
PCT/CN2014/083296
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English (en)
Chinese (zh)
Inventor
曾慧鹏
张百胜
Original Assignee
中兴通讯股份有限公司
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
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2015172436A1 publication Critical patent/WO2015172436A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management

Definitions

  • the invention relates to a smart terminal including an Android (Android) smart phone, a wireless fidelity (Wifi) hotspot, and a cloud server.
  • the smart terminal generally has an Internet access capability and a WiFi function, and the Wifi hotspot has a certain coverage.
  • the scope can be scanned by the intelligent terminal through the 802.11 protocol Probe Request frame, and the hotspot also broadcasts a beacon frame.
  • the cloud server is an Internet-based connection commonly used in mobile Internet.
  • a background server that provides cloud data storage and mining services. BACKGROUND OF THE INVENTION
  • Android smartphones have become very popular, and such terminals have functions such as a call, a Global Positioning System (GPS), a mobile data service, and a WiFi.
  • GPS Global Positioning System
  • WiFi Wireless Fidelity
  • Satellite positioning indoor positioning such as shopping malls, cafes, etc. cannot use satellite positioning;
  • the base station signal is required to be good, and the positioning accuracy is too poor, and the coverage is too large;
  • WiFi positioning It also needs to rely on the Internet connection.
  • the embodiments of the present invention provide a terminal mutual discovery method and device, which can better solve the terminal mutual discovery problem.
  • a terminal mutual discovery method includes:
  • the wireless hotspot obtains terminal information of the terminal within its coverage
  • At least one terminal having the contact relationship is notified, and the terminal information having the contact relationship is carried.
  • the step of the wireless hotspot acquiring the terminal information of the terminal in its coverage includes:
  • the wireless hotspot listening to the terminal broadcast frame sent by the terminal The wireless hotspot listening to the terminal broadcast frame sent by the terminal;
  • the terminal information includes a mutual discovery service identifier and a terminal MAC address
  • the wireless hotspot determines the location according to the mutual discovery service identifier.
  • the terminal is a mutual discovery service terminal, and the terminal MAC address is written into the MAC address pool.
  • the step of searching for a contact relationship between the terminals in the database according to the obtained terminal information includes:
  • the wireless hotspot sends the terminal MAC address in the MAC address pool to the server;
  • the server uses the contact relationship list between the terminals pre-stored in the database to find the terminal MAC address of the contact relationship in the received terminal MAC address, and sends the MAC address of the contact relationship to the wireless hotspot.
  • a terminal mutual discovery method includes:
  • the terminal sends a terminal broadcast frame carrying the terminal information
  • the terminal information having the contact relationship found by the wireless hotspot according to the terminal information that is heard is received.
  • the above method further includes: The terminal searches for the contact information corresponding to the terminal information in the local database, and displays the found contact information.
  • a terminal mutual discovery device applied to a wireless hotspot, includes:
  • a terminal information acquiring module configured to acquire terminal information of a terminal in a coverage area of the wireless hotspot
  • a contact relationship finding module configured to: in the database, look up whether there is a contact relationship between the terminals according to the acquired terminal information;
  • the contact relationship notification module is configured to notify the at least one terminal having the contact relationship when the contact relationship exists, and carry the terminal information having the contact relationship.
  • the terminal information acquiring module is configured to: listen to a terminal broadcast frame sent by the terminal, and parse the intercepted terminal broadcast frame to obtain terminal information of the terminal.
  • the terminal information includes a mutual discovery service identifier and a terminal MAC address
  • the terminal information acquiring module is further configured to: after acquiring terminal information of the terminal in the coverage of the wireless hotspot, according to the mutual discovery service identifier And determining that the terminal is a mutual discovery service terminal, and writing the terminal MAC address to the MAC address pool.
  • the contact relationship searching module sends the terminal MAC address in the MAC address pool to the server, and receives the terminal MAC address of the contact relationship that is found and sent by the server, where the server uses the database.
  • a terminal mutual discovery device applied to a WIFI terminal, includes:
  • a sending module configured to send a terminal broadcast frame carrying the terminal information
  • a receiving module configured to receive terminal information with a contact relationship that is found by the wireless hotspot according to the detected terminal information
  • the above apparatus further includes:
  • the query module is configured to search for contact information corresponding to the terminal information in the local database, and display the found contact information.
  • Embodiments of the present invention also provide a computer program, including program instructions, when the program instructions are When the wireless hotspot is executed, the wireless hotspot is enabled to perform the above method.
  • the embodiment of the invention further provides a computer program, comprising program instructions, when the program instruction is executed by the terminal, so that the terminal can execute the above method.
  • Embodiments of the present invention also provide a carrier carrying the above computer program.
  • the embodiments of the present invention can implement mutual discovery of terminals in a coverage area by using a wireless hotspot.
  • 1 is a first schematic block diagram of a method for mutual discovery of a terminal according to an embodiment of the present invention
  • FIG. 2 is a second schematic block diagram of a method for discovering a mutual terminal of a terminal according to an embodiment of the present invention
  • FIG. 3 is a first block diagram of a terminal mutual discovery device according to an embodiment of the present invention.
  • FIG. 4 is a second block diagram of a terminal mutual discovery device according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a wireless mutual connection-based offline mutual discovery mechanism implemented by multiple Android terminals according to an embodiment of the present invention
  • FIG. 6 is a flowchart of establishing a local (contact) database according to an embodiment of the present invention
  • FIG. 7 is a schematic diagram of a framework for implementing a mutual discovery system based on a wireless hotspot without a network according to an embodiment of the present invention
  • FIG. 8 is a flowchart of mutual discovery when there is no network connection according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of a terminal contact discovery interface according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram of a format of a probe request frame for adding a flag flag according to an embodiment of the present invention.
  • FIG. 11 is a schematic diagram of a beacon beacon frame data format extended by adding a Flag flag bit and a MAC address according to an embodiment of the present invention.
  • BEST MODE FOR CARRYING OUT THE INVENTION FIG. 1 is a first schematic block diagram of a method for mutual discovery of a terminal according to an embodiment of the present invention. As shown in FIG. 1 , the method includes:
  • Step S101 The wireless hotspot acquires terminal information of the terminal within its coverage.
  • the wireless hotspot listens to the terminal broadcast frame sent by the terminal, and parses the intercepted terminal broadcast frame to obtain the terminal information of the terminal.
  • the terminal information includes a mutual discovery service identifier and a terminal media access control (MAC) address.
  • the wireless hotspot determines that the terminal is a mutual discovery service terminal according to the mutual discovery service flag, and writes the terminal MAC address into the MAC address pool.
  • Step S102 Search for a contact relationship between the terminals in the database according to the obtained terminal information.
  • the wireless hotspot sends the terminal MAC address in the MAC address pool to the server, and the server uses the contact relationship list between the terminals pre-stored in the database to find the terminal with the contact relationship in the received terminal MAC address.
  • the MAC address and sends the MAC address of the contact relationship to the wireless hotspot.
  • Step S103 If there is a contact relationship, notify at least one terminal having a contact relationship, and carry terminal information having a contact relationship.
  • the wireless hotspot listening terminal A sends a terminal broadcast frame carrying the terminal MAC address in a broadcast form, and finds the terminal B with the contact relationship in the wireless hotspot coverage in the database according to the terminal MAC address of the terminal A.
  • the wireless hotspot broadcasts the found terminal MAC address of the terminal B and the terminal MAC address of the terminal C in the optional extension field of the hotspot broadcast frame, so that the terminal A receives and displays the corresponding contact information.
  • the wireless hotspot may also broadcast the terminal MAC address of the terminal A in an optional extension field of the hotspot broadcast frame, so that the terminal B and/or the terminal C receive and display the contact information corresponding to the terminal A.
  • FIG. 2 is a second schematic block diagram of a method for discovering a mutual terminal of a terminal according to an embodiment of the present invention. As shown in FIG. 2, the steps include:
  • Step S201 The terminal sends a terminal broadcast frame carrying the terminal information.
  • Step S202 Receive terminal information with a contact relationship that is found by the wireless hotspot according to the detected terminal information.
  • the method further includes:
  • Step S203 The terminal searches for the contact information corresponding to the terminal information in the local database, and displays the found contact information.
  • the terminal information includes a mutual discovery service flag and a terminal MAC address.
  • the terminal local database pre-stores the correspondence between the contact information and the terminal MAC address. After the terminal obtains the MAC address of the terminal with the contact relationship, the terminal sends the acquired terminal MAC address with the contact relationship to the contact application through the middle layer service.
  • the contact application finds the corresponding contact information through the correspondence between the pre-stored contact information and the terminal MAC address, and reminds the terminal user through the user interface.
  • FIG. 3 is a first block diagram of a terminal mutual discovery device according to an embodiment of the present invention. As shown in FIG. 3, the terminal information acquiring module 31, the contact relationship searching module 32, and the contact relationship notification module 33 are included. among them:
  • the terminal information acquiring module 31 acquires the terminal information of the terminal in the wireless hotspot coverage area.
  • the terminal information acquiring module 31 listens to the terminal broadcast frame sent by the terminal, and parses the intercepted terminal broadcast frame.
  • the contact relationship searching module 32 searches the database for the contact relationship between the terminals according to the obtained terminal information. Preferably, the contact relationship searching module 32 sets the terminal MAC in the MAC address pool. The address is sent to the server, and the server uses the contact relationship list between the terminals pre-stored in the database to find the terminal MAC address of the contact relationship in the received terminal MAC address, and finds the existing contact relationship. The terminal MAC address is sent to the contact relationship lookup module 32.
  • the contact relationship notification module 33 notifies the at least one terminal having the contact relationship when the contact relationship exists, and carries the terminal information having the contact relationship.
  • 4 is a second block diagram of a terminal mutual discovery device according to an embodiment of the present invention. As shown in FIG. 4, the method includes: a sending module 41, a receiving module 42, and a query module 43, where:
  • the transmitting module 41 transmits a terminal broadcast frame carrying the terminal information.
  • the receiving module 42 receives the terminal information with the contact relationship found by the wireless hotspot according to the detected terminal information.
  • the query module 43 searches the local database for contact information corresponding to the terminal information, and displays the found contact information.
  • the transmitting module 41 transmits a terminal broadcast frame carrying the mutual discovery service flag and the terminal MAC address.
  • the terminal information acquiring module 31 detects the broadcast frame of the terminal, determining, according to the mutual discovery service flag in the broadcast frame of the terminal, that the terminal has or supports the terminal mutual discovery service function, and writes the terminal MAC address.
  • MAC address pool After the terminal information acquiring module 31 detects the broadcast frame of the terminal, determining, according to the mutual discovery service flag in the broadcast frame of the terminal, that the terminal has or supports the terminal mutual discovery service function, and writes the terminal MAC address. MAC address pool.
  • the contact relationship searching module 31 sends the terminal MAC address in the MAC address pool to the server, and the server selects the contact person in the terminal MAC address sent by the wireless hotspot by using the contact relationship list between the terminals prestored in the database.
  • the terminal MAC address of the relationship, and the selected terminal MAC address with the contact relationship is sent to the wireless hotspot.
  • the contact relationship notification module 33 broadcasts the found terminal MAC address having the contact relationship to notify at least one end user having the contact relationship.
  • the query module 43 determines the corresponding contact information by querying the local database, and reminds the terminal user of the contact person located in the vicinity through the user interface.
  • the embodiment of the invention further provides a computer program, comprising program instructions, when the program instruction is executed by a wireless hotspot, so that the wireless hotspot can perform the above method.
  • the embodiment of the invention further provides a computer program, comprising program instructions, when the program instruction is executed by the terminal, so that the terminal can execute the above method.
  • Embodiments of the present invention also provide a carrier carrying the above computer program.
  • Similar technologies include WiFi positioning and base station positioning, but have the disadvantages of relying on network and poor positioning accuracy.
  • the solution to the problem in the embodiment of the present invention is complementary to the current technology, and can fill a function gap.
  • the WiFi scanning function of the terminal can be used to discover a terminal that is related to itself in a scenario where the WiFi is not connected and there is no Internet and no GPS, so as to find nearby friends (ie, the terminal offline mode realizes terminal mutual discovery), such as
  • a plurality of Android terminals shown in FIG. 5 implement a schematic diagram of an offline mutual discovery mechanism based on WiFi connectionless.
  • the program mainly includes the following contents:
  • A. Contact application Responsible for UI display, contact management, and mutual discovery service control.
  • WiFi module transformation Broadcast frames carry mutual discovery service support information.
  • A. Contact cloud server Implement contact registration query and MAC address filtering.
  • Cloud Database Stores all contact information using cloud services.
  • WiFi module modification It can identify the broadcast frame of the client supporting the mutual discovery service and record its MAC address. Support for broadcasting the filtered MAC address.
  • MAC address filtering module and the cloud server query the list of MAC addresses suitable for mutual discovery in the MAC address pool.
  • the terminal holder obtains the contact MAC address data.
  • This process can be carried out at any time during the use of the network with the support of the terminal. It is guaranteed to build a database with a contact list, mobile phone number and MAC address locally, and support offline query.
  • This process does not require a WiFi connection without the support of the Internet and location system, and only discovers other contacts within the same WiFi hotspot coverage through the 802.11 scan discovery protocol. People.
  • the terminal holder obtains the contact MAC address data.
  • Step 6 the local (contact) database is established.
  • the contact person is connected to the cloud server in the environment with the network at home, and the identity and the MAC address obtained from the WiFI driver.
  • Step 1 Initiate registration with the contact cloud server (step 24).
  • the contact cloud server records the user identity and MAC address.
  • the terminal provides the contact ID (phone number), queries the other party's MAC address, and the cloud service synchronizes their contact status. (Step 3456)
  • Step 78 The terminal receives the MAC address of the cloud contact and saves the contact's MAC address list to the local database.
  • the WiFi is turned on.
  • the terminal side carries the mutual discovery service flag and the MAC address in the scan (request) frame through the WiFi broadcast (step 1).
  • the specific implementation method of this step is as shown in FIG. 10, which is a schematic diagram of a probe request frame format for adding a flag flag, and 802.11 defines The mobile terminal uses the Probe Request frame to detect which 802.11 network is currently covered by the request frame.
  • the default Probe Request is already attached with the MAC address of the local device.
  • only the service flag needs to be added, as shown in Figure 10, in the probe Request. Adding the F flag indicates that the terminal has a mutual discovery service.
  • the wireless hotspot determines that the mutual discovery service terminal exists, and writes its MAC address into the MAC address pool (step 2).
  • the MAC address pool collects the Probe Request frame with the F flag bit received in the most recent period (such as 5 minutes). MAC address in . Because the number of MAC addresses that can be collected is high, you may not be able to carry all the data in the MAC address pool when you broadcast the beacon frame. Therefore, you must filter and filter the data in the entire MAC address pool.
  • the filtering process is implemented by the background service of the wireless hotspot, and the background service sends the detected MAC address pool to the cloud server according to a certain frequency (for example, 5 minutes) (step 3), and the latter searches the contact cloud database for the MAC list. There is a contact relationship MAC address and MAC The MAC addresses of the friends in the address pool are filtered out. The resulting MAC address will be very small and can be fed back to the wireless hotspot background service (step 4) for broadcast.
  • a certain frequency for example, 5 minutes
  • the wireless hotspot puts the filtered MAC address set into the optional extension field of the beacon frame.
  • the layout is as shown in FIG. 11 and the beaconframe data format of the extended flag and the MAC address is extended to ensure the broadcast frame is compatible. Ordinary WiFi terminal and the frame size is not too large.
  • the wireless terminal receives the hotspot broadcast frame through the WiFi chip, and collects the MAC address set in the upper frame data, and then reports the result to the contact application through the middle layer service such as wpa-supplicant and WifiService (step 8), the contact application.
  • the program can know which contacts are nearby by querying the local database (step 9), and remind the end user through the UI, as shown in FIG.
  • the embodiment of the present invention utilizes the WiFi scanning function of the intelligent terminal to discover an intelligent terminal that is related to itself in an offline scenario, thereby finding a nearby friend.
  • the embodiment of the present invention can utilize the WiFi function of the WiFi device to realize mutual discovery of the terminal and find nearby contacts.
  • the embodiments of the present invention can implement mutual discovery of terminals in a coverage area through a wireless hotspot.

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

Abstract

Selon un mode de réalisation, la présente invention concerne un procédé et un dispositif terminal de découverte mutuelle de terminaux. Selon ledit procédé : une zone d'accès WiFi acquiert les informations de terminaux de terminaux situés dans la limite de son étendue (S101) ; selon les informations de terminaux obtenues, la zone d'accès WiFi consulte une base de données pour déterminer si une relation de contact existe entre les terminaux (S102) ; si c'est le cas, la zone d'accès WiFi informe au moins un terminal ayant la relation de contact, et transporte les informations de terminaux ayant la relation de contact (S103). Par l'intermédiaire de la fonction de balayage WiFi d'un terminal, le mode de réalisation de l'invention permet à ce terminal de découvrir hors ligne des terminaux intelligents à proximité ayant des relations avec lui, et de trouver ainsi des amis à proximité.
PCT/CN2014/083296 2014-05-15 2014-07-30 Procédé et dispositif de découverte mutuelle de terminaux WO2015172436A1 (fr)

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CN201410204577.4A CN104093137B (zh) 2014-05-15 2014-05-15 一种终端互发现方法及装置
CN201410204577.4 2014-05-15

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CN106162541B (zh) * 2015-04-14 2021-04-13 Tcl科技集团股份有限公司 一种查询附近终端设备的方法及系统
CN106789415A (zh) * 2016-12-12 2017-05-31 东软集团股份有限公司 设备信息的采集方法、装置及系统
CN110475234A (zh) * 2018-05-11 2019-11-19 上海鸥新软件有限公司 一种基于wifi的ssid广播信息构建人物关系的系统及方法

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