WO2023272444A1 - Procédé de communication et appareil de communication associé - Google Patents

Procédé de communication et appareil de communication associé Download PDF

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Publication number
WO2023272444A1
WO2023272444A1 PCT/CN2021/102793 CN2021102793W WO2023272444A1 WO 2023272444 A1 WO2023272444 A1 WO 2023272444A1 CN 2021102793 W CN2021102793 W CN 2021102793W WO 2023272444 A1 WO2023272444 A1 WO 2023272444A1
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WIPO (PCT)
Prior art keywords
node
information
link
communication
connection
Prior art date
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PCT/CN2021/102793
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English (en)
Chinese (zh)
Inventor
刘航
王键
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN202180099943.2A priority Critical patent/CN117581609A/zh
Priority to PCT/CN2021/102793 priority patent/WO2023272444A1/fr
Publication of WO2023272444A1 publication Critical patent/WO2023272444A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • 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

Definitions

  • the present application relates to the field of communication, in particular to the field of short-distance communication, and in particular to a communication method and a communication device thereof.
  • Bluetooth low energy blue low energy
  • BLE Bluetooth low energy
  • BLE Bluetooth low energy
  • BLE Bluetooth low energy
  • BLE Bluetooth low energy
  • a host a host
  • an application or application
  • Device-to-device communication is implemented through the link layer and physical layer included in the controller.
  • the link layer and the physical layer are mainly responsible for broadcasting, scanning, establishing and maintaining connection functions. Before devices can communicate with each other, a connection needs to be established between devices.
  • the nodes in the communication system can be divided into a master node (Master) and a slave node (Slave) logically and functionally.
  • Master master node
  • Slave slave node
  • communication interaction is common between master nodes and slave nodes, but with the development of technology and the improvement of user needs, the communication mechanism between slave nodes needs to be improved urgently.
  • the present application provides a communication method and a communication device thereof, which solve the problem of inability to communicate between slave nodes, and can ensure the service quality of link communication between slave nodes and improve user experience through management of slave node links.
  • the scheme of this application is described by taking the first node and the second node as the communication parties of the link between the slave nodes, and taking the third node as the master node as an example.
  • a communication method may include: a third node generates first configuration information, the first configuration information is used to indicate a first link, and the first link includes information for the first node and the second The link on which the node communicates, the first configuration information includes communication parameters and/or communication resource information of the first link, the communication parameters include one or more of access address information, timeout threshold, or transmission attribute information, the communication The resource information includes one or more items of connection event information and frequency domain information for indicating a frequency hopping pattern; the third node sends the first configuration information to the first node and/or the second node.
  • the timeout threshold may be used to judge the connection state of the first link
  • the connection event information may be used to determine the time domain resource for communication between the first node and the second node.
  • the master node configures resources for the communication between the slave nodes, so that the slave nodes can communicate, which solves the problem that the slave nodes cannot communicate.
  • the configuration information can also include communication parameters, which can The communication between the slave nodes is managed to ensure the service quality of the link communication between the slave nodes, so that the data synchronization between the slave nodes is maintained, the flexibility of information transmission is improved, and the user experience is greatly improved.
  • the access address information is used to identify the first link.
  • the connection event information includes an interval between start times of adjacent connection events and/or an interval between start times of adjacent connection sub-events.
  • slave nodes as both sides of the link communication between the slave nodes can arrange their own sending and receiving of data within the interval of a connection event and/or adjacent connection sub-events, and multiple interactions can also be performed within this interval.
  • the connection event information further includes the time length of the connection event, the time length for the first node to send data in the connection event, and the time length for the second node to send data in the connection event.
  • the time length of the data, the number of connection sub-events, the time length of the connection sub-event, the time length for the first node to send data in the connection sub-event, or the time length for the second node to send data in the connection sub-event at least one.
  • the master node can indicate parameters such as the duration and number of connection events through the connection event information, and can also clearly indicate to the slave nodes the respective time lengths for sending and receiving data, so as to further improve the communication efficiency of the link between the slave nodes.
  • the frequency domain information includes channel occupancy mapping information and a frequency hopping step size.
  • the receiver that is, the slave node, can determine the frequency hopping pattern for data transmission and reception according to the channel occupancy mapping information and the frequency hopping step size.
  • the transmission attribute information is used to indicate an order in which the first node and the second node send data on the first link.
  • the master node indicates the sending and receiving order of the slave nodes, either directly in the transmission attribute information, or by indicating the node attributes of the slave nodes on the link between the slave nodes, so that the slave nodes can determine their respective sending and receiving orders.
  • the transmission attribute information may include node attribute information, when the attribute of the first node is the master node on the first link and/or when the attribute of the second node is When the slave node is on the first link, on the first link, the sending of the data of the first node is prior to the sending of the data of the second node.
  • two slave nodes can also be divided into master and slave on the link between the slave nodes.
  • the master node the data is sent before the slave node.
  • the timeout threshold is used to indicate a valid duration of the first link.
  • timeout threshold may be used by the slave node to judge the communication status of the link between the slave nodes, and to feed back to the master node in time.
  • the timeout threshold may be a certain length of time, for example, a valid duration. It may also be the number of connection events corresponding to the connection event.
  • T1 does not receive the data packet of T2 in three consecutive connection events, it can be determined that the link between the slave nodes has timed out.
  • the third node may receive second indication information, where the second indication information is used to indicate that the first link connection times out.
  • the slave node uses the timeout threshold as the judgment condition to judge the communication status of the link between the slave nodes in real time. If there is a timeout, it can report to the master node in time, and the master node can reconfigure resources to ensure the communication efficiency of the link between the slave nodes.
  • the third node may receive third indication information, where the third indication information is used to indicate that the first link is established successfully.
  • T1 When T1 receives the data packet sent by T2, or T2 receives the data packet sent by T1, it can report to the master node, indicating that the link between the slave nodes is established successfully.
  • the third node may receive first request information from the first node, where the first request information is used to request the third node to be The first node configures the first link with the second node, and the first request information includes identity information of the second node.
  • a slave node may store identity information of other slave nodes.
  • the slave node sends the request information to request configuration of communication resources with its expected communication peer, which can further improve the resource allocation efficiency of the master node and avoid possible waste of resources.
  • the communication resource of the first link and the communication resource carrying the first configuration information are orthogonal in time domain.
  • the time-domain resource for interaction between the master node and the slave node is orthogonal to the time-domain resource for link communication between the slave nodes, which can avoid interference and improve communication quality.
  • a communication method may include: the first node receives first configuration information, the first configuration information is used to indicate the first link, and the first link includes the communication between the first node and the second node Communication links, the first configuration information includes communication parameters and/or communication resource information of the first link, the communication parameters include one or more of access address information, timeout threshold, or transmission attribute information, and communication resource information It includes connection event information, or one or more items of frequency domain information used to indicate a frequency hopping pattern; the first node sends a data packet to the second node through the first link.
  • the access address is used to identify the first link.
  • the connection event information includes the interval between the start times of adjacent connection events and/or the interval between the start times of adjacent connection sub-events. interval.
  • the connection event information further includes the time length of the connection event, the time length for the first node to send data in the connection event, and the time length for the second node to send data in the connection event.
  • the time length of the data the number of connection sub-events, the time length of the connection sub-event, the time length for the first node to send data in the connection sub-event, or the time length for the second node to send data in the connection sub-event one or more.
  • the frequency domain information includes channel occupancy mapping information and a frequency hopping step size.
  • the transmission attribute information is used to indicate an order in which the first node and the second node send data on the first link.
  • the transmission attribute information includes node attribute information, and when the attribute of the first node is the master node on the first link, the first node sends the data pack.
  • the timeout threshold is used to indicate a valid duration of the first link.
  • the first node when the first node does not receive the data packet sent by the second node within the valid time period, it sends the second indication information to the third node, and the second indication information uses Indicates that the first link connection times out.
  • the first node when the first node receives the data packet sent by the second node, it sends third indication information, and the third indication information is used to indicate that the first link is established successfully .
  • the first node before receiving the first configuration information, the first node sends first request information, and the first request information is used to request configuration of the first node and the second node.
  • the first request information includes identity information of the second node.
  • the communication resource of the first link and the communication resource carrying the first configuration information are orthogonal in time domain.
  • a communication method may include: the second node receives first configuration information, the first configuration information is used to indicate the first link, and the first link includes information for the first node and the second node Links for communication, the first configuration information includes communication parameters and/or communication resource information of the first link, the communication parameters include one or more of access address information, timeout threshold, or transmission attribute information, and communication resource information
  • the information includes one or more items of connection event information and frequency domain information for indicating a frequency hopping pattern; the second node receives the data packet from the second node through the first link.
  • the access address information is used to identify the first link.
  • connection event information includes an interval between start times of adjacent connection events and/or an interval between start times of adjacent connection sub-events.
  • the connection event information also includes the time length of the connection event, the time length used for the first node to send data in the connection event, and the time length used for the second node to send data in the connection event.
  • the frequency domain information includes channel occupancy mapping information and a frequency hopping step size.
  • the transmission attribute information is used to indicate an order in which the first node and the second node send data on the first link.
  • the transmission attribute information includes node attribute information, and when the attribute of the second node is the master node on the first link, the second node sends the data pack.
  • the timeout threshold indicates a valid duration of the first link.
  • the second node when the second node does not receive the data packet sent by the first node within the first time period, it sends the second indication information, and the second indication information is used to indicate The first link connection timed out.
  • the communication resource of the first link and the communication resource carrying the first configuration information are orthogonal in the time domain.
  • a communication method is provided, which is applied to the first system, and the first system includes at least three nodes, wherein the multiple data transmission MD values corresponding to the at least three nodes include at least two MD values with different values , at least three nodes keep working.
  • a communication device may include a transceiver unit and a processing unit, wherein the processing unit is used to generate first configuration information, and the first configuration information is used to indicate a first link, and the first link includes The link used for communication between the first node and the second node, the first configuration information includes communication parameters and/or communication resource information of the first link, and the communication parameters include access address information, timeout threshold, or transmission attribute information One or more items, the communication resource information includes one or more items of connection event information, frequency domain information used to indicate the frequency hopping pattern; the transceiver unit is used to send the first node to the first node and/or the second node configuration information.
  • the access address information is used to identify the first link.
  • connection event information includes an interval between start times of adjacent connection events and/or an interval between start times of adjacent connection sub-events.
  • the connection event information further includes the time length of the connection event, the time length for the first node to send data in the connection event, and the time length for the second node to send data in the connection event.
  • the time length of the data, the number of connection sub-events, the time length of the connection sub-event, the time length for the first node to send data in the connection sub-event, or the time length for the second node to send data in the connection sub-event one or more.
  • the frequency domain information includes channel occupancy mapping information and a frequency hopping step size.
  • the transmission attribute information is used to indicate an order in which the first node and the second node send data on the first link.
  • the transmission attribute information includes node attribute information, when the attribute of the first node is the master node on the first link and/or when the attribute of the second node is the first node When a slave node on a link, on the first link, the sending of the data of the first node precedes the sending of the data of the second node.
  • the timeout threshold is used to indicate a valid duration of the first link.
  • the transceiver unit is further configured to receive second indication information, where the second indication information is used to indicate that the first link connection times out.
  • the transceiver unit is further configured to receive third indication information, where the third indication information is used to indicate that the first link is established successfully.
  • the transceiver unit before generating the first configuration information, is further configured to receive first request information from the first node, the first request information is used to request to be the first The node configures the first link with the second node, and the first request information includes identity information of the second node.
  • the communication resource of the first link and the communication resource carrying the first configuration information are orthogonal in time domain.
  • a communication device which may include a transceiver unit and a processing unit, the transceiver unit is used to receive first configuration information, the first configuration information is used to indicate a first link, and the first link includes a first node A link for communicating with the second node, the first configuration information includes communication parameters and/or communication resource information of the first link, and the communication parameters include one or more of access address information, timeout threshold, or transmission attribute information item, the communication resource information includes one or more of connection event information, or frequency domain information used to indicate a frequency hopping pattern; the transceiver unit is further configured to send a data packet to the second node through the first link.
  • the access address information is used to identify the first link.
  • connection event information includes an interval between start times of adjacent connection events and/or an interval between start times of adjacent connection sub-events.
  • the connection event information further includes the time length of the connection event, the time length for the first node to send data in the connection event, and the time length for the second node to send data in the connection event.
  • the time length of the data, the number of connection sub-events, the time length of the connection sub-event, the time length for the first node to send data in the connection sub-event, or the time length for the second node to send data in the connection sub-event one or more.
  • the frequency domain information includes channel occupancy mapping information and a frequency hopping step size.
  • the transmission attribute information is used to indicate an order in which the first node and the second node send data on the first link.
  • the transmission attribute information includes node attribute information, and when the attribute of the first node is the master node on the first link, the first node sends the data pack.
  • the timeout threshold is used to indicate the valid duration of the first link.
  • the processing unit when the transceiver unit does not receive the data packet sent by the second node within the valid time period, the processing unit is used to generate the second indication information, and the transceiver unit is used to send the second node Two indication information, the second indication information is used to indicate that the first link connection times out.
  • the transceiver unit when the transceiver unit receives the data packet sent by the second node for the first time, it sends third indication information, and the third indication information is used to indicate that the first link is established successfully .
  • the transceiver unit before receiving the first configuration information, is further configured to send first request information, and the first request information is used to request that the first node and the second node The first link is configured, and the first request information includes identity information of the second node.
  • the communication resource of the first link and the communication resource carrying the first configuration information are orthogonal in time domain.
  • a communication device may include a transceiver unit and a processing unit, the transceiver unit is used to receive first configuration information, the first configuration information is used to indicate a first link, and the first link includes a A link for communication between the first node and the second node, the first configuration information includes communication parameters and/or communication resource information of the first link, and the communication parameters include access address information, a timeout threshold, or one of transmission attribute information One or more items, the communication resource information includes one or more items of connection event information and frequency domain information used to indicate a frequency hopping pattern; the transceiver unit is further configured to receive a data packet from the first node through the first link.
  • the access address information is used to identify the first link.
  • connection event information includes an interval between start times of adjacent connection events and/or an interval between start times of adjacent connection sub-events.
  • the connection event information further includes the time length of the connection event, the time length used in the connection event for the first node to send data, and the time length used in the connection event for the second node to send data.
  • the frequency domain information includes channel occupancy mapping information and a frequency hopping step size
  • the processing unit determines a frequency hopping pattern for data transmission and reception according to the frequency domain information.
  • the transmission attribute information is used to indicate an order in which the first node and the second node send data on the first link.
  • the transmission attribute information includes node attribute information, and when the attribute of the second node is the master node on the first link, the second node sends the data pack.
  • the timeout threshold indicates a valid duration of the first link.
  • the processing unit when the data packet sent by the first node is not received within the first time period, the processing unit is configured to generate second indication information, and the second indication information is used to The first link connection timeout is indicated, and the transceiver unit is used to send the second indication information.
  • the communication resource of the first link and the communication resource carrying the first configuration information are orthogonal in time domain.
  • a terminal device in an eighth aspect, can be used to execute the method in the above first aspect or any possible implementation manner of the first aspect, or enable a communication device to execute the above second aspect or the second aspect The method in any of the possible implementation manners, or, causing the communication device to execute the third aspect or the method in any of the possible implementation manners of the third aspect, or, causing the communication device to execute the fourth aspect or the fourth aspect above A method in any of the possible implementations.
  • the terminal device may be a device in fields such as smart home, smart manufacturing, smart transportation, and smart wear. Such as vehicles, mobile phones, headsets, in-vehicle equipment, etc.
  • a communication system including the fifth, sixth, and seventh aspects and the communication device in any possible implementation manner of any one of the fifth, sixth, and seventh aspects.
  • a tenth aspect provides a communication system, the system includes the fifth, sixth, seventh, and eighth aspects and the communication device in any of the possible implementations of the fifth, sixth, seventh, and eighth aspects, at least three communication devices When the corresponding multiple data transmission MD value includes at least two MDs with different values, at least three communication devices all keep working.
  • a communication device including at least one processor.
  • the at least one processor is coupled with at least one memory, and may be used to execute instructions in the memory, so as to implement the method in the above first aspect or any possible implementation manner of the first aspect.
  • the communication device further includes at least one memory.
  • the communication device further includes a communication interface, at least one processor is coupled to the communication interface, and the communication interface is used for inputting and/or outputting information.
  • the information includes at least one of instructions and data.
  • the communication device is a receiving end, and the communication interface may be a transceiver, or an input/output interface.
  • the communication device is a chip or a chip system.
  • the communication interface may be an input/output interface, an input/output interface, an interface circuit, an output circuit, an input circuit, a pin or a related circuit on the chip or the chip system.
  • a processor may also be embodied as processing circuitry or logic circuitry.
  • the communication device is a chip or a chip system configured in the receiving end.
  • the transceiver may be a transceiver circuit.
  • the input/output interface may be an input/output circuit.
  • a communication device including at least one processor.
  • the at least one processor is coupled with the memory, and can be used to execute instructions in the memory, so as to implement the method in the above second aspect or any possible implementation manner of the second aspect.
  • the communication device further includes at least one memory.
  • the communication device further includes a communication interface, at least one processor is coupled to the communication interface, and the communication interface is used for inputting and/or outputting information.
  • the communication device is a sending end
  • the communication interface may be a transceiver, or an input/output interface.
  • the communication device is a chip or a chip system.
  • the communication interface may be an input/output interface, an interface circuit, an output circuit, an input circuit, pins or related circuits on the chip or the chip system.
  • a processor may also be embodied as processing circuitry or logic circuitry.
  • the communication device is a chip or a chip system configured in the sending end.
  • the transceiver may be a transceiver circuit.
  • the input/output interface may be an input/output circuit.
  • a communication device including at least one processor.
  • the at least one processor is coupled with the memory, and can be used to execute instructions in the memory, so as to implement the method in the above third aspect or any possible implementation manner of the third aspect.
  • the communication device further includes at least one memory.
  • the communication device further includes a communication interface, at least one processor is coupled to the communication interface, and the communication interface is used for inputting and/or outputting information.
  • the communication device is a sending end
  • the communication interface may be a transceiver, or an input/output interface.
  • the communication device is a chip or a chip system.
  • the communication interface may be an input/output interface, interface circuit, output circuit, input circuit, pin or related circuit on the chip or chip system.
  • a processor may also be embodied as processing circuitry or logic circuitry.
  • the communication device is a chip or a chip system configured in the sending end.
  • the transceiver may be a transceiver circuit.
  • the input/output interface may be an input/output circuit.
  • a chip including: at least one processor and a communication interface.
  • the communication interface is used to receive signals input into the chip or to output signals from the chip, and the processor communicates with the communication interface and executes code instructions through logic circuits to implement the above first aspect or any of the possible implementations of the first aspect method, or a method for realizing the above-mentioned second aspect or any of the possible implementations of the second aspect, or a method for realizing the above-mentioned third aspect or any of the possible implementations of the third aspect, or A method for implementing the fourth aspect or any possible implementation manner of the fourth aspect.
  • a communication device including: at least one memory for storing computer instructions; at least one processor for executing the computer instructions stored in at least one memory, so that the communication device performs the above-mentioned first aspect or The method in any possible implementation of the first aspect, or, causing the communication device to execute the method in the second aspect or any of the possible implementations of the second aspect, or, causing the communication device to execute the third aspect or The method in any possible implementation manner in the third aspect, or, causing the communication device to execute the fourth aspect or the method in any possible implementation manner in the fourth aspect.
  • a sixteenth aspect provides a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a communication device, the communication device implements the method in the first aspect or any possible implementation manner of the first aspect .
  • a seventeenth aspect provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a communication device, the communication device implements the method in the second aspect or any possible implementation of the second aspect .
  • a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a communication device, the communication device implements the third aspect or the method in any possible implementation of the third aspect .
  • a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a communication device, the communication device implements the fourth aspect or the method in any possible implementation manner of the fourth aspect .
  • a computer program product includes: a computer program (also referred to as code, or an instruction), when the computer program is executed, the computer executes the first aspect or the first aspect A method in any of the possible implementations.
  • a computer program also referred to as code, or an instruction
  • a computer program product includes: a computer program (also referred to as code, or instruction), which, when the computer program is executed, causes the computer to perform the above-mentioned second aspect or the second A method in any possible implementation of an aspect.
  • a computer program also referred to as code, or instruction
  • a computer program product includes: a computer program (also referred to as code, or an instruction), which, when the computer program is executed, causes the computer to perform the above-mentioned third aspect or the third A method in any possible implementation of an aspect.
  • a computer program also referred to as code, or an instruction
  • a computer program product includes: a computer program (also called code, or instruction), when the computer program is executed, the computer executes the above-mentioned fourth aspect or the fourth A method in any possible implementation of an aspect.
  • a computer program also called code, or instruction
  • FIG. 1 is a schematic diagram of a communication system applicable to an embodiment of the present application
  • Fig. 2 is a schematic diagram of a BLE protocol framework applicable to the embodiment of the present application
  • FIG. 3 is a schematic diagram of a communication process applicable to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a communication resource applicable to the embodiment of the present application.
  • FIG. 4 is a schematic diagram of a communication resource applicable to the embodiment of the present application.
  • FIG. 5 is a schematic diagram of another communication process applicable to the embodiment of the present application.
  • FIG. 6 is a schematic block diagram of a communication device applicable to an embodiment of the present application.
  • Fig. 7 is a schematic block diagram of a communication device applicable to the embodiment of the present application.
  • "instructions” may include direct instructions and indirect instructions, and may also include explicit instructions and implicit instructions.
  • the information indicated by a certain information (such as the information used to indicate the target time-frequency resource described below) is called the information to be indicated.
  • the information to be indicated may be directly indicated, such as the information to be indicated itself or an index of the information to be indicated.
  • the information to be indicated may also be indicated indirectly by indicating other information, where there is an association relationship between the other information and the information to be indicated. It is also possible to indicate only a part of the information to be indicated, while other parts of the information to be indicated are known or agreed in advance.
  • the indication of specific information can also be realized by means of a pre-agreed (for example, protocol-specified) arrangement order of each information, thereby reducing the indication overhead to a certain extent.
  • the first, second and various numbers are only for convenience of description, and are not used to limit the scope of the embodiment of the present application. For example, distinguishing different instruction information and the like.
  • the duration may be understood as a time resource window, an instant domain resource and/or a frequency domain resource.
  • a communication system may include multiple nodes, and a node may refer to an electronic device capable of transmitting and receiving data, may include a terminal device, and may also be a chip included in the terminal device.
  • a node can be a car cockpit domain device, or a module in a car cockpit device, such as a cockpit domain controller (CDC), camera, screen, microphone, audio, electronic key, keyless entry or start One or more of modules such as controllers.
  • CDC cockpit domain controller
  • a node can also be a data transfer device, such as a network device, router, repeater, bridge or switch; it can also be a terminal device, such as various types of user equipment (user equipment, UE) , mobile phone (mobile phone), tablet computer (pad), desktop computer, headset, audio, etc.; it can also include machine intelligence devices, such as self-driving (self-driving) equipment, transportation safety (transportation safety) equipment, virtual reality ( virtual reality (VR) terminal equipment, augmented reality (augmented reality, AR) terminal equipment, machine type communication (machine type communication, MTC) equipment, industrial control (industrial control) equipment, telemedicine (remote medical) equipment, smart grid ( Smart grid) equipment, smart city (smart city) equipment, smart home equipment, etc.; can also include wearable devices (such as smart watches, smart bracelets, pedometers, etc.) and so on. In some technical scenarios, the names of devices with similar data sending and receiving capabilities may not be called nodes.
  • the names of devices with similar data sending and receiving capabilities may
  • network equipment includes but is not limited to: evolved Node B (evolved Node B, eNB), radio network controller (Radio Network Controller, RNC), Node B (Node B, NB), base station controller (Base Station Controller , BSC), base transceiver station (Base Transceiver Station, BTS), home base station (for example, Home evolved NodeB, or Home Node B, HNB), baseband unit (BaseBand Unit, BBU), wireless fidelity (Wireless Fidelity, WIFI)
  • the access point (Access Point, AP), wireless relay node, wireless backhaul node, transmission point (transmission point, TP) or transmission and reception point (transmission and reception point, TRP) in the system can also be 5G,
  • FIG. 1 is an example of a communication system applicable to the embodiment of the present application.
  • nodes include but are not limited to base stations, notebooks, mobile phones, earphones, glasses, watches, pads, stylus pens, televisions (television, TV), keyboards, and the like.
  • some nodes may be called management nodes/master control nodes/general nodes (grant nodes, G nodes), and some nodes may be called terminal nodes (terminal nodes, T nodes).
  • G nodes may be called a master node (or a master device), and a T node may be called a slave node (or a slave device).
  • the master node and the slave node may be two types of nodes distinguished in logical functions.
  • the master node manages the slave nodes, and the master node has the function of allocating resources, and is responsible for allocating resources for the slave nodes; the slave nodes obey the scheduling of the master node, and use the resources allocated by the master node to communicate with the master node.
  • the foregoing network device may be a master node, and the foregoing terminal device may be a slave node.
  • the foregoing terminal device may be a master node, and another terminal device may be a slave node.
  • a slave node may also be a different component of a network device or a terminal device.
  • a master earphone and a slave earphone of a pair of earphones may serve as different slave nodes. This application is not limited to this.
  • one node may be in one communication system or in a plurality of communication systems.
  • the mobile phone and the headset when the mobile phone and the headset perform wireless communication, the mobile phone and the headset constitute a first communication system.
  • the mobile phone is the master node
  • the headset is the slave node
  • the headset follows the scheduling of the mobile phone.
  • the mobile phone detects the CDC and establishes a wireless connection with the CDC
  • the mobile phone and the CDC form a second communication system.
  • the CDC is the master node and the mobile phone is the slave node.
  • the mobile phone follow CDC's schedule.
  • the second communication system may also include other slave nodes, such as car speakers, microphones, and the like.
  • the master node may be a network device, and the slave node may be a terminal device.
  • both the master node and the slave node may be terminal devices.
  • the master node is a mobile phone
  • the slave nodes are vehicles, headsets, car keys, or vehicle-mounted devices.
  • the embodiment of the present application does not limit the application scenario, nor does it limit the types of the master node and the slave node.
  • Resource orthogonality the time domain resources and/or frequency domain resources used for information transmission do not overlap each other, for example, the time domain resource A (and/or frequency domain resource A) used to transmit information A, and the time domain resource A (and/or frequency domain resource A) used for transmission
  • the time-domain resources B (and/or frequency-domain resources B) of the information B do not overlap with each other.
  • Communication parameters parameters used to manage communication between nodes, such as access address information, channel state parameters, and the like.
  • connection Interval The length of time between the start time points of two consecutive connection events.
  • the connection interval can be configured or agreed upon by the protocol.
  • the connection interval includes the time length of the connection event and a preset time interval.
  • the preset time interval may be the waiting time for switching between sending and receiving.
  • the connection interval can be considered as part of the time domain resources used for communication.
  • connection event A connection established between nodes includes one or more connection events, and in each connection event, the communicating parties interact.
  • a connection event can be the process of nodes sending packets to each other during a connection interval.
  • Transmission attribute information information used to determine the interaction sequence of nodes, which can indicate the transmission sequence or the node attributes, and the nodes determine the interaction sequence according to their attributes.
  • the node attributes generally include the master node or slave node on a link .
  • Channel occupancy mapping information information used to determine which channels can be used. For example, assuming that the entire system has 4 channels, the channel occupancy mapping information may be a sequence of 4 bits (for example, 1110), which is used to indicate that the first, second, and third channels in the system are available, and the fourth channel is not available.
  • Frequency hopping step size The carrier frequency of the transmission signal transmitted by both parties is discretely changed according to a predetermined rule, and the frequency modulation step size refers to the frequency domain interval between two adjacent frequency jumps. For example, if 2 MHz is a channel width, when the frequency hopping step size is 2, it indicates that two adjacent frequency hopping intervals are 2 channels (or 4 MHz).
  • the current communication interaction is usually between the master node and the slave node.
  • the master node confirms that at least one of the two slave nodes fails to receive the data, it sends an instruction to a node that has received the data and discards the data packet to ensure the synchronous playback of the data.
  • the master node generates first configuration information, where the configuration information is used to indicate a first link for communication between slave nodes, where the configuration information includes communication parameters and/or communication resource information of the first link;
  • the master node sends the first configuration information to the slave node;
  • the slave node receives first configuration information, and performs communication using resources configured by the first configuration information.
  • the communication resource configuration indicated by the first configuration information may be a time domain resource configuration, a frequency domain resource configuration, or include both time domain resource configuration and frequency domain resource configuration.
  • the first configuration information may include resource information, and may also include communication parameters between T1 and T2.
  • the master node may send the first configuration information to the slave nodes (T1, T2 nodes) by broadcast, or by multicast or unicast, which is not limited in this application.
  • resources for the master node to send configuration information and communication resources for links between slave nodes may be orthogonal in the time domain.
  • the method basically configures the basic parameters and resources of the link communication between the slave nodes, and the communication between the slave nodes is realized.
  • the communication resource information may be used to determine communication resources between slave nodes.
  • it may include but not limited to: connection event information, frequency domain information used to indicate a frequency hopping pattern, and the like.
  • the communication parameters of the first link can be used to manage or configure communication between slave nodes. For example, it may include but not limited to: access address information, timeout threshold, or transmission attribute information.
  • the communication resources may include connection interval resources.
  • the slave node T1 can send data packets to the slave node T2 in each connection event. And after the data packet is sent, wait for a preset time interval, and start to receive the data sent from the node T2. In each connection event, the slave node T1 and the slave node T2 complete mutual data interaction.
  • the master node configures "shared" time resources for the slave node T1 and the slave node T2.
  • the slave node T1 finishes sending data, and after a preset time interval, the slave node T2 can send data.
  • the time for data transmission from node T2 in each connection event is not fixed, but depends on the size of the data packet sent from node T1.
  • the maximum data packet size for a single data transmission from node T1 and/or from node T2 may be agreed upon by the protocol or configured by the master node, and the maximum time length occupied by T1 and the maximum time length occupied by T2 may be Determined according to the size of the data packet to be sent.
  • the preset time interval is mainly used for transmitting and receiving conversion. After the node finishes sending the data, it starts to receive the receipt after the preset time interval; or, after the node finishes receiving the data, it starts to send the data after the preset time interval passes.
  • the preset time interval may be stipulated in a protocol, or may be determined through negotiation between the sending and receiving ends. This application is not limited to this.
  • the preset time interval may also be referred to as an inter frame space (inter frame space, IFS) time, or an inter packet space (inter packet space, IPS) time, or a conversion time interval (considering that it is mainly used for sending and receiving conversion) .
  • IFS inter frame space
  • IPS inter packet space
  • conversion time interval considering that it is mainly used for sending and receiving conversion
  • the node may start to receive or send data immediately after the preset time interval.
  • the node may start receiving or sending at the first integer time slot after the preset time interval, so as to ensure time alignment between the sending and receiving ends.
  • the slave node includes T1 and T2.
  • T1 sends a data packet to T2.
  • T2 needs to send another data packet to T1. It takes a certain adjustment time for T2 to switch from the receiver to the sender (preset time interval).
  • connection interval determines the interaction interval between the slave node T1 and the slave node T2.
  • the connection interval can be the time distance between the start time points of two consecutive connection events, for example, it can be an integer multiple of 1.25ms within 7.5ms ⁇ 4s value.
  • the connection interval can be configured by the master node or agreed by the protocol. This application is not limited to this.
  • the connection interval can be the time interval between the starting moments of two adjacent connection events, for example, it can be CI in Figure 4,
  • the first connection event includes from Two rounds of interaction between node T1 and slave node T2, in which slave node T1 sends data to slave node T2, and receives data sent from slave node T2 (sends data from node T2 to slave node T1) is called completing a round of data interaction , that is, the adjacent T1->T2 and T2->T1 shown in (a) in Figure 4 constitute a round of data interaction.
  • the second connection event in the figure only includes a round of data interaction between slave nodes T1 and T2.
  • the sending and receiving parties can share the configured resources, for example, a CE can be used for T1 to send data to T2, and can also be used for T2 to send data to T1.
  • a CE can be used for T1 to send data to T2, and can also be used for T2 to send data to T1.
  • T1 sends data to T2
  • the length of the time resource occupied by T2 to send data to T1 can be changed (depending on the size of the sent data packet )
  • the start time of T2 sending data to T1 is also uncertain.
  • the time resources of the first group T1->T2 may be different from the time resources occupied by the second group T1->T2.
  • connection event information may include one or more of the time length of the connection event, the time length of T1 sending data in the connection event, and the time length of T2 sending data in the connection event.
  • time resources configured by the master node for T1 to send data cannot be used for T2 to send data, and vice versa.
  • the time length of the connection event may be the time length from the start of the connection event to the end of the connection event, and may not be exactly the same as the connection interval.
  • time length of the connection event may be the maximum time length from the start of the connection event to the end of the connection event.
  • connection interval may also be called the transmission interval
  • connection event may also be called the transmission event
  • connection intervals and connection events when configuring connection intervals and connection events, the sequence of sending and receiving of T1 and T2 can be agreed at the same time.
  • the configuration information may carry transmission attribute information, which is used to indicate the order in which T1 and T2 are sent and received.
  • the transmission attribute information may be node attribute information, and the node attribute may be node attributes of T1 and T2 on the first link.
  • T1 may be the master node, and T2 may be the slave node; or, T2 may be the master node, and T1 may be the slave node.
  • T1 is a master node on the first link
  • T2 is a slave node on the first link
  • T1 may send data before T2
  • T2 may send data to T1 after receiving the data.
  • the transmission attribute information may include a transmission sequence, which directly indicates the sending and receiving sequence of T1 and T2.
  • the transmission attribute information is not limited.
  • the transmission attribute information may only include the order that T1 is the master node or T1 is prior to T2, or it may include the order that T2 is the slave node or T1 is prior to T2, or it may include both T1 is the master node, and T2 is the slave node; or, the order of T1 precedes T2.
  • connection event may also include multiple connection sub-events
  • connection event information may also include the connection sub-event interval, the number of connection sub-events, the time length of the connection sub-event, and the connection sub-event used for T1 data transmission. or the time length used for T2 data sending in the connection sub-event.
  • a single connection event can contain multiple connection sub-events.
  • the connection event in (a) in Figure 4 includes two rounds of interaction between T1 and T2, and a single connection sub-event can include A round of interaction between slave node T1 and slave node T2.
  • This round of interaction can be T1 sends data to T2 and then T2 sends data to T1, or T2 sends data to T1 and then T1 sends data to T2.
  • T1 and T2 data may be configured or agreed upon in an agreement, which is not limited in this application.
  • connection sub-event interval The interval between the start moments of two adjacent connection sub-events is called the connection sub-event interval; the start time of a single connection sub-event to the end time of the connection sub-event is called the time length of the connection sub-event.
  • the time length of T1 data transmission and the time length of T2 data transmission in a single connection sub-event can also be configured through the master node.
  • the time resource used for T1 to send data to T2 and the time resource used for T2 to send data to T1 can be pre-configured as periodically occurring resources that are fixed in time, and the time resource used for data transmission cannot Adjustment, the slave node T1 can only perform data transmission on the configured time resources in the direction of T1->T2, and the time resources allocated to the direction of T1->T2 cannot be used for data transmission in the direction of T2->T1, and vice versa.
  • the time for T2 to send data to T1 is determined, and in terms of time, it does not depend on the length of time it takes for T1 to send data to T2.
  • the protocol can configure semi-static resources in the time domain. That is, resources that appear periodically in the time domain.
  • the frequency domain resources of the semi-static resources may also be fixed, or may not be fixed, for example, frequency hopping may be used in the frequency domain.
  • Configuring semi-static resources in the time domain may be configuring fixed periodic time domain resources, for example, configuring a periodic time domain resource for T1 to send data to T2, and/or for T2 to send data to T1 Periodic time-domain resources of .
  • the resources configured for T1 to send data to T2 and the resources used for T2 to send data to T1 may be carried in two different signalings, or may be carried in one signaling. This application is not limited to this.
  • the periodic time domain resource used for T1 to send data to T2 may be the same time length as the periodic time domain resource used for T2 to send data to T1, for example, the period used for T1 to send data to T2 Periodic time domain resources, and the periodic time domain resources used for T2 to send data to T1 can be 6ms, or different, for example, the periodic time domain resources used for T1 to send data to T2 can be 2ms, use
  • the periodic time domain resource for sending data from T2 to T1 may be 1 ms.
  • frequency domain resource configuration may be implemented by configuring a frequency hopping pattern.
  • the master node needs to configure a frequency hopping pattern for T1 to send data.
  • the master node also needs to configure a frequency hopping pattern for T1 to receive data.
  • the frequency hopping pattern may be determined according to the channel occupation mapping information and the frequency hopping step size, that is, the configuration information may include the channel occupation mapping information and the frequency hopping step size.
  • the frequency hopping pattern of the T1 sent data should correspond to the frequency hopping pattern of the T2 received data, and the frequency hopping pattern of the T1 received data may correspond to the frequency hopping pattern of the T2 sent data.
  • the first configuration information sent by the master node to the T1 node and the T2 node further includes access address information for communication between T1 and T2.
  • the access address is used to identify the communication channel of a pair of data transceiver units.
  • the link through which T1 sends data to T2 and the link through which T2 sends data to T1 use the same access address, and the access address may be an identifier with a length of 8 bits. For example 00000001.
  • the link through which T1 sends data to T2 may have a different access address from the link through which T2 sends data to T1.
  • the access address information may be carried in the frame header of the data frame, so that the receiving end can relatively quickly determine whether it is the expected data packet on the first link through the access address. If the data on the first link is not expected, the data may not be received continuously, thereby saving power consumption.
  • the first configuration information sent by the master node to the T1 node and the T2 node also includes a timeout threshold.
  • the timeout threshold can be the number of timeouts M. For example, when T1 does not receive the data sent by T2 in consecutive M configured transmission resources, or in consecutive M connection intervals, T1 sends an indication to the master node Information, the indication information is used to indicate that the slave node link connection timeout.
  • T2 when T2 does not receive the data sent by T1 on M consecutive configured transmission resources, or within M consecutive connection intervals, T2 sends indication information to the master node, and the indication information is used to indicate The slave link connection timed out.
  • connection timeout may be a link establishment failure, or may be a connection timeout due to a link problem after the link establishment is successful.
  • the timeout threshold may also be a certain time range.
  • the timeout threshold may be 6ms. If T1 does not receive data from T2 after 6ms, it may be determined that the connection between T1 and T2 has timed out.
  • timeout thresholds is an example rather than limitation, and other conditions that can be used as connection timeout judgments are within the protection scope of the present application.
  • T1 may also send indication information to the master node, where the indication information is used to indicate that the communication link between T1 and T2 is established successfully. Successful establishment of the communication link may mean that the link can be used for normal communication between nodes.
  • the T1 node when the T1 node receives the data packet sent by T2 on the configured link, it can report the connection completion information to the master node, or when the T2 node receives the data packet sent by T1 on the configured link, Report the connection completion information to the master node.
  • the T1 node and the T2 node can exchange logical channel configuration related information on configured resources, so as to facilitate the transmission of rich services between T1 and T2.
  • the logical channel configuration-related information may be information such as transmission properties, reliability, or transmission quality of the logical channel.
  • a fixed logical channel number is used for link communication between slave nodes, and logical channel negotiation is not required, which can save signaling.
  • the corresponding logical channel ID is 0001
  • the logical channel number is fixed, and there is no need to negotiate through signaling interaction.
  • the frame structure used for communication between T1 and T2 may further include a first indication bit, and the first indication bit is used to indicate whether the T1 node has successfully received at least one data packet, where the data packet is The data packet sent by the master node to the T1 node.
  • T1 after T1 receives the data packet sent by the master node, it can inform T2 of the "received data packet" information through the indicator bit in the frame structure of the slave node communication, and T2 makes corresponding communication preparations after being informed.
  • the T1 node may send a slave node link resource request to the master node, and the request information may include at least one of the following information :
  • the identity information of the peer device T2 that T1 expects to communicate with is the identity information of the peer device T2 that T1 expects to communicate with
  • Service type information transmitted by T1 and T2 or quality of service (QoS) information such as transmission rate and transmission delay.
  • QoS quality of service
  • T1 may discover the identity information of the T2 node, such as media access layer address information, through a device discovery process.
  • T1 may also store the identity information of T2, that is, each slave node stores the identity information of other slave nodes.
  • the master node generates first configuration information, the configuration information is used to indicate the first link for communication between T1 and T2, the configuration information includes communication parameters and/or communication resource information of the first link, and the configuration information also includes The transmission mode of this data transmission between T1 and T2;
  • the master node sends the first configuration information to T1 and T2
  • T1 and T2 receive the first configuration information, and communicate through resources configured in the first configuration information.
  • the communication resource configuration indicated by the first configuration information is similar to the above, and will not be repeated here.
  • the transmission mode information included in the first configuration information sent by the master node to the T node is a transmission mode in which T1 and T2 transmit data packets for communication.
  • the transmission mode information may include: a transparent transmission mode, a reliable transmission mode, and the like. Different transmission modes correspond to different data frame structures.
  • the transmission mode may be the transmission mode of a certain data transmission between T1 and T2, or the transmission mode of T1 and T2 within a certain period of time, or the fixed transmission mode of T1 and T2. limited.
  • the master node may send the first configuration information to the T1 and T2 nodes by broadcasting, or by multicasting or unicasting, which is not limited in this application.
  • the T node needs to send a request message to the master node to request the master node to configure link resources for T1 and T2.
  • the request information may include the following information At least one of:
  • the identity information of the peer device T2 that the slave node T1 expects to communicate with is the identity information of the peer device T2 that the slave node T1 expects to communicate with
  • QoS information such as service type information, transmission rate, or transmission delay transmitted from node T1 to slave node T2.
  • the slave nodes in a connection event, it can be considered that all resources are shared by slave nodes. If any party has a data transmission requirement, the communication Under the condition of resource permitting (the connection event interval is not exceeded, and the configured connection event time length (if configured) is not exceeded), the slave nodes should be allowed to continue data interaction. Assume that in a connection event, the slave node T1 first To send data with the slave node T2, the MD (More Data) resource operation mechanism is shown in Table 1:
  • Table 1 is only used as an example and is not limited.
  • sending an empty packet means that the sent data packet does not include a payload. That is, the slave node has no data to send.
  • the data packet it sends may include a payload.
  • the connection event when the system configures the time length of the connection event (the time length of the connection event is less than or equal to the connection interval), when there is data to be sent from the slave node T1 or slave node T2, the connection event needs to be maintained, and both The data interaction needs to continue until the length of the connection event is reached.
  • the connection event is closed, and the slave node T1 and the slave node T2 no longer perform data interaction.
  • the communication mode and communication state between T nodes are completely managed by the master node, which can further ensure the resource utilization rate of TT link communication.
  • the network device or the terminal device may include a hardware structure and/or a software module, and realize the above-mentioned functions in the form of a hardware structure, a software module, or a hardware structure plus a software module . Whether one of the above-mentioned functions is executed in the form of a hardware structure, a software module, or a hardware structure plus a software module depends on the specific application and design constraints of the technical solution.
  • each functional module in each embodiment of the present application may be integrated into one processor, or physically exist separately, or two or more modules may be integrated into one module.
  • the above-mentioned integrated modules can be implemented in the form of hardware or in the form of software function modules.
  • the embodiment of the present application further provides an apparatus 600 for realizing the functions of the network device or the terminal device in the above method.
  • the device may be a software module or a system on a chip.
  • the system-on-a-chip may be composed of chips, or may include chips and other discrete devices.
  • the apparatus 600 may include: a processing unit 610 and a communication unit 620 .
  • the communication unit may also be referred to as a transceiver unit, and may include a sending unit and/or a receiving unit, respectively configured to perform the sending and receiving steps of the network device or the terminal device in the method embodiments above.
  • a communication unit may also be referred to as a transceiver, transceiver, transceiving device, or the like.
  • a processing unit may also be called a processor, a processing board, a processing module, a processing device, and the like.
  • the device in the communication unit 620 for realizing the receiving function can be regarded as a receiving unit
  • the device in the communication unit 620 for realizing the sending function can be regarded as a sending unit, that is, the communication unit 620 includes a receiving unit and a sending unit.
  • the communication unit may sometimes be called a transceiver, a transceiver, or an interface circuit, etc.
  • the receiving unit may sometimes be called a receiver, a receiver, or a receiving circuit, etc.
  • the sending unit may sometimes be called a transmitter, a transmitter, or a transmitting circuit, etc.
  • a processing unit configured to configure resources and generate first configuration information
  • the communication unit is used for sending and receiving information.
  • a processing unit configured to determine communication resources according to the first configuration information
  • the communication unit is used for sending and receiving information.
  • processing unit 610 and the communication unit 620 can also perform other functions.
  • processing unit 610 and the communication unit 620 can also perform other functions.
  • FIGS. 2 to 5 or related descriptions in other method embodiments, and details are not repeated here.
  • FIG. 7 shows an apparatus 700 provided in the embodiment of the present application.
  • the apparatus shown in FIG. 7 may be a hardware circuit implementation manner of the apparatus shown in FIG. 6 .
  • the communication device may be applicable to the flow chart shown above, and execute the functions of the terminal device or the network device in the above method embodiments. For ease of illustration, FIG. 7 only shows the main components of the communication device.
  • the communication device 700 includes at least one processor 710 and an interface circuit 720 . At least one processor 710 and the interface circuit 720 are coupled to each other. It can be understood that the interface circuit 720 may be a transceiver or an input-output interface.
  • the communication device 700 may further include a memory 730 for storing instructions executed by the processor 710, or storing input data required by the processor 710 to execute the instructions, or storing data generated by the processor 710 after executing the instructions.
  • the processor 710 is used to implement the functions of the above processing unit 610
  • the interface circuit 720 is used to implement the functions of the above communication unit 620 .
  • the chip of the first device may be used to realize the function of the communication device in the above-mentioned method embodiment.
  • the first device chip receives information from other modules (such as radio frequency modules or antennas) in the terminal device, and the information may be sent to the first device by a network device or sent to the first device by other terminal devices; or , the first device chip sends information to other modules (such as radio frequency modules or antennas) in the first device, the information can be sent by the first device to the network device, or sent by the first device to the terminal device .
  • the first device may be any device serving as both communication parties, may be a terminal device, or may be a network device, which is not limited in this application.
  • the processor in the embodiments of the present application can be a central processing unit (Central Processing Unit, CPU), and can also be other general-purpose processors, digital signal processors (Digital Signal Processor, DSP), application-specific integrated circuits (Application Specific Integrated Circuit, ASIC), Field Programmable Gate Array (Field Programmable Gate Array, FPGA) or other programmable logic devices, transistor logic devices, hardware components or any combination thereof.
  • a general-purpose processor can be a microprocessor, or any conventional processor.
  • the processor can be random access memory (Random Access Memory, RAM), flash memory, read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable In addition to programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM), registers, hard disk, mobile hard disk, CD-ROM or any other form of storage medium known in the art middle.
  • An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium.
  • the storage medium may also be a component of the processor.
  • the processor and storage medium can be located in the ASIC.
  • the ASIC can be located in a network device or a terminal device. Certainly, the processor and the storage medium may also exist in the network device or the terminal device as discrete components.
  • the embodiments of the present application may be provided as methods, systems, or computer program products. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, optical storage, etc.) in which computer-usable program code can be embodied.
  • computer-usable storage media including but not limited to disk storage, optical storage, etc.

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Abstract

Sont divulgués dans la présente demande un procédé de communication et un appareil de communication, qui peuvent être appliqués au domaine des terminaux intelligents, tels que des maisons intelligentes, un transport intelligent, une fabrication intelligente et une usure intelligente. Le procédé comprend les étapes suivantes : génération de premières informations de configuration, les premières informations de configuration étant utilisées pour indiquer une première liaison, la première liaison comprenant une liaison dans laquelle un premier nœud communique avec un second nœud, les premières informations de configuration comprenant des paramètres de communication et/ou des informations de ressource de communication de la première liaison, les paramètres de communication comprenant un ou plusieurs éléments parmi : une adresse d'accès, une valeur seuil de temporisation et un attribut de nœud, et les informations de ressource de communication comprenant une ou plusieurs informations parmi : des informations d'événement de connexion et des informations de domaine de fréquence ; et envoi des premières informations de configuration au premier nœud et/ou au second nœud. Au moyen du procédé, une interaction d'informations entre des nœuds esclaves est réalisée, de sorte que la synchronisation de données soit maintenue entre les nœuds esclaves, améliorant ainsi la flexibilité de transmission d'informations, et améliorant également considérablement l'expérience d'utilisateur.
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