WO2023035834A1 - Procédé et appareil de communication wi-fi direct - Google Patents

Procédé et appareil de communication wi-fi direct Download PDF

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Publication number
WO2023035834A1
WO2023035834A1 PCT/CN2022/111118 CN2022111118W WO2023035834A1 WO 2023035834 A1 WO2023035834 A1 WO 2023035834A1 CN 2022111118 W CN2022111118 W CN 2022111118W WO 2023035834 A1 WO2023035834 A1 WO 2023035834A1
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WO
WIPO (PCT)
Prior art keywords
group
terminal device
connection
merging
negotiation
Prior art date
Application number
PCT/CN2022/111118
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English (en)
Chinese (zh)
Inventor
周志伟
陶华涛
王元发
吴正
姜印清
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华为技术有限公司
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Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2023035834A1 publication Critical patent/WO2023035834A1/fr

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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks

Definitions

  • the embodiments of the present application relate to the field of communication technologies, and in particular, to a Wi-Fi Direct communication method and device.
  • Wi-Fi Direct also called “Wi-Fi P2P”
  • Wi-Fi P2P wireless-fidelity P2P
  • Wi-Fi Direct can connect terminal devices to each other without an intermediary wireless access point (access point, AP).
  • the embodiment of the present application provides a Wi-Fi direct communication method and device to solve the problem that existing Wi-Fi direct technology cannot establish Wi-Fi P2P between terminal devices that belong to different P2P groups. The problem.
  • an embodiment of the present application provides a Wi-Fi direct communication method, the method comprising: the second terminal device receives a request for establishing a Wi-Fi P2P connection initiated by the first terminal device, or the second terminal device The device initiates a Wi-Fi P2P connection establishment request to the first terminal device, the second terminal device belongs to the second point-to-point P2P group, the first terminal device belongs to the first P2P group; the second terminal device Negotiating with the first terminal device on P2P group merging, and obtaining a negotiation result, the negotiation result is used to indicate that the second P2P group and the first P2P group are merged into a third P2P group; The second terminal device establishes a Wi-Fi P2P connection with the first terminal device in the third P2P group.
  • the method further includes: the second terminal device sending the negotiation result to at least one other terminal device in the second P2P group, so that each of the other terminal devices After disconnecting the link in the second P2P group, establish a Wi-Fi P2P connection with the third GO respectively.
  • the preset merging rules include one or more of the following rules: the P2P group containing a small number of terminal devices is merged into the P2P group containing a large number of terminal devices; the service priority is low P2P groups with high service priority are merged into P2P groups with high service priority; P2P groups with small channel bandwidth are merged into P2P groups with large channel bandwidth; P2P groups with low traffic volume are merged into P2P groups with large traffic volume; The P2P group is merged into the P2P group with strong GO performance; the P2P group of the initiator of the Wi-Fi P2P connection request is merged into the P2P group of the initiated party.
  • the second terminal device if the negotiation result is the merging of the second P2P group into the first P2P group, the second terminal device, based on the service state of the second P2P group, Save the second P2P group service information; the second terminal device and the second GO perform P2P group disassembly, and the P2P group disassembly is used to disconnect the Wi-Fi connection between the second terminal device and the second GO -Fi P2P connection; the second terminal device initiates a Wi-Fi P2P connection establishment request to the third GO; and the second GO initiates a Wi-Fi P2P connection establishment request to the third GO; the second GO initiates a Wi-Fi P2P connection establishment request; The second terminal device receives a confirmation message from the third GO, the confirmation message is used to indicate that the third GO agrees that the second terminal device joins the third P2P group; and the second GO receives the confirmation message from A confirmation message of the third GO, where the confirmation message is used to
  • the embodiment of the present application provides a computer-readable storage medium.
  • the computer-readable medium stores a computer program (also referred to as code, or instruction) which, when run on a computer, causes the computer to perform the above-mentioned first A method in any one of the possible implementations of the aspect.
  • the embodiment of the present application provides a computer program product
  • the computer program product includes: a computer program (also referred to as code, or instruction), when the computer program is executed, it causes the computer to perform any of the above-mentioned first aspects.
  • a computer program also referred to as code, or instruction
  • the embodiment of the present application also provides a graphical user interface on a terminal device, the terminal device has a display screen, one or more memories, and one or more processors, and the one or more processors are used to Executing one or more computer programs stored in the one or more memories, the graphical user interface includes a graphical user interface displayed when the terminal device executes any possible implementation manner of the first aspect of the embodiments of the present application, Or a graphical user interface displayed when any possible implementation manner of the second aspect of the embodiment of the present application is executed.
  • the embodiment of the present application provides a Wi-Fi direct connection communication method.
  • two different P2P groups are combined into one
  • the design idea of a new P2P group includes one GO and multiple GCs in the new P2P group, and then realizes the Wi-Fi P2P connection between GO and each GC, and the MAC layer between GC and GC through GO Relay and Wi-Fi P2P connections on the application layer.
  • the terminal device in the embodiment of the present application may be a mobile phone, a tablet computer, a wearable device (for example, a watch, a bracelet, a helmet, a headset, etc.), a vehicle device, an augmented reality (augmented reality, AR)/virtual Reality (virtual reality, VR) devices, laptops, ultra-mobile personal computers (UMPCs), netbooks, personal digital assistants (PDAs), smart home devices (e.g., smart TVs, smart screens) , smart speakers, smart cameras, etc.), printers, etc.
  • augmented reality augmented reality, AR
  • VR virtual Reality
  • laptops ultra-mobile personal computers
  • PDAs personal digital assistants
  • smart home devices e.g., smart TVs, smart screens
  • Fig. 5 shows a schematic diagram of a hardware structure of a possible terminal device.
  • the terminal device 200 includes: a radio frequency (radio frequency, RF) circuit 210, a power supply 220, a processor 230, a memory 240, an input unit 250, a display unit 260, an audio circuit 270, a communication interface 280, and a wireless fidelity ( wireless-fidelity, Wi-Fi) module 290 and other components.
  • RF radio frequency
  • the terminal device 200 shown in FIG. 5 does not constitute a limitation on the terminal device 200, and the terminal device 200 provided in the embodiment of the present application may include more or less components than those shown in the illustration , two or more components may be combined, or may have different component configurations.
  • the various components shown in Figure 5 may be implemented in hardware, software, or a combination of hardware and software including one or more signal processing and/or application specific integrated circuits.
  • the input unit 250 can be used to receive editing operations of various types of data objects such as numbers or character information input by the user, and generate key signal input related to user settings and function control of the terminal device 200 .
  • the input unit 250 may include a touch panel 251 and other input devices 252 .
  • FIG. 6 is a block diagram of a software structure of a terminal device provided by an embodiment of the present application.
  • the software structure of the terminal device may be a layered architecture, for example, the software may be divided into several layers, and each layer has a clear role and division of labor. Layers communicate through software interfaces.
  • the operating system is divided into five layers, which are application program layer, application program framework layer (framework, FWK), runtime and system library, kernel layer, and hardware layer from top to bottom.
  • the notification manager enables the application to display notification information in the status bar, which can be used to convey notification-type messages, and can automatically disappear after a short stay without user interaction.
  • the notification manager is used to notify the download completion, message reminder, etc.
  • the notification manager can also be a notification that appears on the top status bar of the system in the form of a chart or scroll bar text, such as a notification of an application running in the background, or a notification that appears on the screen in the form of a dialog window. For example, a text message is displayed in the status bar, a prompt sound is issued, the terminal device vibrates, and the indicator light flashes, etc.
  • the media library supports playback and recording of various commonly used audio and video formats, as well as still image files, etc.
  • the media library can support a variety of audio and video encoding formats, such as: MPEG4, H.264, MP3, AAC, AMR, JPG, PNG, etc.
  • the kernel layer is the layer between hardware and software.
  • the kernel layer includes at least a display driver, a camera driver, an audio driver, and a sensor driver.
  • a plurality referred to in the embodiment of the present application means greater than or equal to two.
  • the design concept of the method provided in this application is to perform group merging on multiple different P2P groups when there is a scenario where a Wi-Fi P2P connection needs to be established between the first terminal device and the second terminal device belonging to different P2P groups , realizing building the first terminal device and the second terminal device into a new P2P group.
  • the mobile phone 1 can also directly refresh the display interface as (3) in Figure 11 according to the click operation 1.
  • the subsequent processing process is similar to the above-mentioned introduction. This will not be repeated here.
  • the first terminal device or the second terminal device when it recognizes that the data transmission status is degraded or even abnormal at the business level, it can switch to the Wi-Fi P2P-based transmission mode, thereby improving data transmission efficiency.
  • mobile phone 1 can initiate a request to mobile phone 2 to establish a Wi-Fi P2P connection through Huawei sharing.
  • both mobile phone 1 and mobile phone 2 have turned on Bluetooth, then mobile phone 1 can also initiate a request to establish a Wi-Fi P2P connection via Bluetooth to mobile phone 2.
  • the first terminal device establishes an information transmission channel with the second terminal device.
  • the first terminal device and the second terminal device may establish a trustworthy information transmission channel by means of bluetooth or wireless local area network (wireless local area network, WLAN).
  • WLAN wireless local area network
  • P2P groups with low service priority are merged into P2P groups with high service priority.
  • the business priorities in P2P group 1 belong to the normal level, and the business priorities processed in P2P group 2 include emergency level, then connect the GO and at least one GC contained in P2P group 1 to P2P group 2 as GC in order to minimize the impact on the emergency-level services in P2P group 2.
  • the first terminal device determines whether the number of terminals included in P2P group 2 and P2P group 1 is equal. If they are equal, the first terminal device executes S1502b; otherwise, executes S1502a.
  • the first terminal device determines whether the GO performances of the P2P group 2 and the P2P group 1 are equal. If they are equal, the first terminal device executes S1506b; otherwise, executes S1506a.
  • the implementation process of the second terminal device may include the following S1006a to S1010a.
  • the connection between the second terminal device and the first terminal device is through the Wi-Fi P2P connection relayed by GO in P2P group 1.
  • the second terminal device and the first terminal device are both GCs of the same GO (smart screen) at this time, and can Realize the transfer of service data packets through GO at the MAC layer and realize P2P service processing at the application layer.
  • the tablet computer and the second terminal device perform P2P assembly and disassembly.
  • the tablet computer (GO) initiates a Wi-Fi P2P disconnection request (such as a P2P disconnect command) to the second terminal device (GC), and after receiving a confirmation message from the second terminal device, the tablet computer performs P2P disconnection deal with.
  • the tablet computer receives the Wi-Fi P2P unlinking request initiated by the second terminal device, suspends the ongoing P2P business in the P2P group 2 where it is currently located, and after saving the P2P group 2 business information, for the second terminal device Wi-Fi P2P connection performs P2P disconnection processing.
  • the tablet computer restores the original service processing according to the P2P group 2 service information.
  • the tablet computer receives the P2P service request re-initiated by the second terminal device, and receives or sends the transmission data of the original P2P service according to the P2P group 2 service information.
  • Each functional unit in each embodiment of the embodiment of the present application may be integrated into one processing unit, or each unit may physically exist separately, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.

Abstract

La présente invention concerne le domaine des communications, divulgue un procédé et un appareil de communication Wi-Fi direct, et porte sur une solution technique destinée à établir Wi-Fi P2P entre des dispositifs terminaux appartenant respectivement à différents groupes P2P. Le procédé comprend les étapes suivantes : un second dispositif terminal reçoit une demande d'établissement de connexion Wi-Fi P2P qui est initiée par un premier dispositif terminal, ou le second dispositif terminal initie la demande d'établissement de connexion Wi-Fi P2P pour le premier dispositif terminal, le second dispositif terminal appartenant à un second groupe de dispositifs peer-to-peer (P2P), et le premier dispositif terminal appartenant à un premier groupe P2P ; le second dispositif terminal exécute une négociation de combinaison de groupes P2P avec le premier dispositif terminal, de façon à obtenir un résultat de négociation, le résultat de négociation étant utilisé pour ordonner à celui-ci de combiner le second groupe P2P et le premier groupe P2P dans un troisième groupe P2P ; et le second dispositif terminal établit, dans le troisième groupe P2P, une connexion Wi-Fi P2P avec le premier dispositif terminal.
PCT/CN2022/111118 2021-09-10 2022-08-09 Procédé et appareil de communication wi-fi direct WO2023035834A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111063130.6A CN115802516A (zh) 2021-09-10 2021-09-10 一种Wi-Fi直连通信方法及装置
CN202111063130.6 2021-09-10

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CN114727429B (zh) * 2022-03-22 2023-11-14 中国电信股份有限公司 通信方法、通讯组、电子设备及存储介质

Citations (5)

* Cited by examiner, † Cited by third party
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CN1889722A (zh) * 2006-07-20 2007-01-03 华为技术有限公司 一种PoC群组会话的实现方法及装置
CN104429155A (zh) * 2012-07-16 2015-03-18 三星电子株式会社 用于处理无线通信系统中的拓扑结构的方法和装置
US20150264123A1 (en) * 2014-03-14 2015-09-17 Blackberry Limited Changing topology of wireless peer-to-peer group
US20190014172A1 (en) * 2015-09-03 2019-01-10 Nec Corporation Group formation control in multi-group peer-to-peer network
WO2019196253A1 (fr) * 2018-04-12 2019-10-17 华为技术有限公司 Procédé et dispositif de mise en réseau

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1889722A (zh) * 2006-07-20 2007-01-03 华为技术有限公司 一种PoC群组会话的实现方法及装置
CN104429155A (zh) * 2012-07-16 2015-03-18 三星电子株式会社 用于处理无线通信系统中的拓扑结构的方法和装置
US20150264123A1 (en) * 2014-03-14 2015-09-17 Blackberry Limited Changing topology of wireless peer-to-peer group
US20190014172A1 (en) * 2015-09-03 2019-01-10 Nec Corporation Group formation control in multi-group peer-to-peer network
WO2019196253A1 (fr) * 2018-04-12 2019-10-17 华为技术有限公司 Procédé et dispositif de mise en réseau

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