WO2023011343A1

WO2023011343A1 - Multi-path communication method and apparatus, and terminal

Info

Publication number: WO2023011343A1
Application number: PCT/CN2022/108932
Authority: WO
Inventors: 王文; 谢振华; 柯小婉
Original assignee: 维沃移动通信有限公司
Priority date: 2021-08-05
Filing date: 2022-07-29
Publication date: 2023-02-09
Also published as: CN115915108A

Abstract

The present application belongs to the technical field of communications. Disclosed are a multi-path communication method and apparatus, and a terminal. The multi-path communication method in the embodiments of the present application comprises: a first terminal sending multi-path communication information of a first terminal, and/or the first terminal receiving multi-path communication information of a second terminal, wherein the multi-path communication information comprises at least one of the following: multi-path communication capability information, which is used for indicating that a source terminal has a multi-path communication capability; and multi-path communication demand information, which is used for indicating that the source terminal requests the establishment of multi-path communication; and when the multi-path communication information is the multi-path communication information of the first terminal, the source terminal is the first terminal, and when the multi-path communication information is the multi-path communication information of the second terminal, the source terminal is the second terminal.

Description

Multipath communication method, device and terminal

Cross References to Related Applications

This application claims priority to Chinese Patent Application No. 202110897349.X filed in China on Aug. 5, 2021, the entire contents of which are hereby incorporated by reference.

technical field

The present application belongs to the technical field of communication, and in particular relates to a multipath communication method, device and terminal.

Background technique

In the field of communication technology in the related art, terminal-to-terminal relay communication has been realized. Currently, in the relay communication scenario, only one path is selected by default between the source terminal and the target terminal to establish a communication connection, resulting in low data transmission efficiency between terminals.

Contents of the invention

Embodiments of the present application provide a multipath communication method, device, and terminal, which can solve the problem of low data transmission efficiency between terminals.

In the first aspect, a multipath communication method is provided, including:

The first terminal sends the multipath communication information of the first terminal, and/or, the first terminal receives the multipath communication information of the second terminal;

Wherein, the multipath communication information includes at least one of the following:

Multipath communication capability information, the multipath communication capability information is used to indicate that the source terminal has multipath communication capability;

multipath communication requirement information, the multipath requirement information is used to indicate that the source terminal requests to establish multipath communication;

When the multipath communication information is the multipath communication information of the first terminal, the source terminal is the first terminal, and when the multipath communication information is the multipath communication information of the second terminal In the case of communicating information, the source terminal is the second terminal.

In a second aspect, a multipath communication device is provided, including:

a radio frequency module, configured to send the multipath communication information of the device, and/or, used to receive the multipath communication information of the second terminal;

In the case where the multipath communication information is the multipath communication information of the device, the source terminal is the device, and in the case where the multipath communication information is the multipath communication information of the second terminal Next, the source terminal is the second terminal.

In a third aspect, a terminal is provided. The terminal includes a processor, a memory, and a program or instruction stored in the memory and operable on the processor. When the program or instruction is executed by the processor The steps of implementing the multi-path communication method as described in the first aspect.

In a fourth aspect, a terminal is provided, including a processor and a communication interface, wherein the communication interface is used to send multipath communication information of the first terminal, and/or to receive multipath communication information of the second terminal communication information.

In a fifth aspect, a readable storage medium is provided, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the multipath communication method as described in the first aspect are implemented.

According to a sixth aspect, there is provided a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement multiple Path communication method.

In a seventh aspect, a computer program/program product is provided, the computer program/program product is stored in a non-transitory storage medium, and the program/program product is executed by at least one processor to implement the program described in the first aspect Steps of the multipath communication method.

In an eighth aspect, there is provided a communication device configured to perform the steps of the method as described in the first aspect.

In the embodiment of the present application, the terminal can send and/or receive multipath communication information, which means it can inform other terminals that the terminal has multipath communication capability and/or needs to establish multipath communication, so that the terminal can communicate with each other. Establish a multi-path communication connection to realize multi-path communication between terminals, so that terminals can no longer only communicate through a single path, thereby expanding the communication path between terminals and improving the communication between terminals. Transmission efficiency and reliability.

Description of drawings

FIG. 1 is a block diagram of a wireless communication system to which an embodiment of the present application is applicable;

FIG. 2 is one of the flow charts of a multipath communication method provided by an embodiment of the present application;

Fig. 3a is the second flowchart of a multi-path communication method provided by the embodiment of the present application;

Fig. 3b is the third flowchart of a multi-path communication method provided by the embodiment of the present application;

FIG. 3c is the fourth flowchart of a multi-path communication method provided by the embodiment of the present application;

Fig. 3d is the fifth flowchart of a multi-path communication method provided by the embodiment of the present application;

FIG. 3e is the sixth flowchart of a multi-path communication method provided by the embodiment of the present application;

Fig. 3f is the seventh flowchart of a multi-path communication method provided by the embodiment of the present application;

FIG. 4 is a structural diagram of a multipath communication device provided by an embodiment of the present application;

FIG. 5 is a structural diagram of a communication device provided by an embodiment of the present application;

FIG. 6 is a structural diagram of a terminal provided by an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, but not all of them. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in this application belong to the protection scope of this application.

The terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein and that "first" and "second" distinguish objects. It is usually one category, and the number of objects is not limited. For example, there may be one or more first objects. In addition, "and/or" in the description and claims means at least one of the connected objects, and the character "/" generally means that the related objects are an "or" relationship.

It is worth pointing out that the technology described in the embodiment of this application is not limited to the Long Term Evolution (Long Term Evolution, LTE)/LTE-Advanced (LTE-Advanced, LTE-A) system, and can also be used in other wireless communication systems, such as code Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access, OFDMA), Single-carrier Frequency-Division Multiple Access (Single-carrier Frequency-Division Multiple Access, SC-FDMA) and other systems. The terms "system" and "network" in the embodiments of the present application are often used interchangeably, and the described technologies can be used for the above-mentioned systems and radio technologies as well as other systems and radio technologies. The following description describes the New Radio (NR) system for illustrative purposes, and uses NR terminology in most of the following descriptions, but these techniques can also be applied to applications other than NR system applications, such as the 6th generation (6 ^th Generation, 6G) communication system.

Fig. 1 shows a block diagram of a wireless communication system to which the embodiment of the present application is applicable. The wireless communication system includes a terminal 11 and a relay terminal 12 . Wherein, the terminal 11 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a palmtop computer, a netbook, a super mobile personal computer (Ultra-Mobile Personal Computer, UMPC), Mobile Internet Device (Mobile Internet Device, MID), Augmented Reality (Augmented Reality, AR)/Virtual Reality (Virtual Reality, VR) equipment, robot, wearable device (Wearable Device) , vehicle equipment (Vehicle User Equipment, VUE), pedestrian terminals (Pedestrian User Equipment, PUE), smart home (home equipment with wireless communication functions, such as refrigerators, TVs, washing machines or furniture, etc.) and other terminal-side equipment, wearable Devices include: smart watches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart bracelets, smart rings, smart necklaces, smart anklets, smart anklets, etc.), smart wristbands, smart clothing, game consoles wait. It should be noted that, the embodiment of the present application does not limit the specific type of the terminal 11 . The specific device form of the relay terminal 12 may also refer to the device form of the terminal 11 above, which will not be repeated here.

The multipath communication method, device, terminal, etc. provided by the embodiments of the present application are described in detail below through some embodiments and application scenarios with reference to the accompanying drawings.

Please refer to FIG. 2 . FIG. 2 is one of flowcharts of a multipath communication method provided by an embodiment of the present application. As shown in Figure 2, the multipath communication method includes the following steps:

Step 201, the first terminal sends the multipath communication information of the first terminal, and/or, the first terminal receives the multipath communication information of the second terminal.

For example, in some embodiments, the multipath communication information sent by the first terminal may only include multipath communication capability information, and the first terminal can notify the opposite terminal (such as the second terminal ), the first terminal has a multipath communication capability, and the peer terminal can determine whether to establish a multipath communication connection with the first terminal based on the multipath communication capability information.

Alternatively, in some embodiments, the multipath communication information sent by the first terminal may only include multipath communication requirement information, and the first terminal uses the multipath requirement information to inform the opposite terminal that the first terminal requests to establish a multipath communication, the peer terminal can establish a multi-path communication connection with the first terminal based on the multi-path communication requirement information, so as to realize multi-path communication between the first terminal and the peer terminal.

Alternatively, in some embodiments, the multipath communication information sent by the first terminal includes multipath communication capability information and multipath communication requirement information, and the first terminal notifies the peer terminal through the multipath communication capability information and multipath communication requirement information , the first terminal has multipath communication capability and needs to establish multipath communication, and the opposite terminal establishes multipath communication with the first terminal based on the above information, thereby realizing multipath communication between the first terminal and the opposite terminal.

It should be noted that the first terminal may also receive the multipath communication information of the second terminal, for example, the multipath communication information includes multipath communication capability information indicating that the second terminal has multipath communication capability; or it may also be It includes multi-path communication requirement information for instructing the second terminal to request establishment of multi-path communication; or both may be included, and details will not be repeated here.

In this embodiment of the present application, the terminal can send and/or receive multipath communication information, which means it can inform other terminals that the terminal has multipath communication capability and/or needs to establish multipath communication, so that the terminal can establish Multi-path communication connection to achieve multi-path communication between terminals, so that terminals can no longer only communicate through a single path, thereby expanding the communication path between terminals and improving the transmission between terminals efficiency and reliability.

It should be noted that the first terminal and the second terminal in the embodiment of this application are only the distinction between the names of the two terminals, and are not specific; in some scenarios, the first terminal can be used as the source terminal, and the second terminal As a target terminal; in some other scenarios, the first terminal can also be used as a target terminal, and the second terminal can be used as a source terminal, that is, the second terminal can perform the steps performed by the first terminal as an executor in the embodiment of this application process.

In some embodiments, the multipath communication capability information includes at least one of the following:

A Multi-Path Transmission Control Protocol (Multi-Path Transmission Control Protocol, MPTCP) function, used to instruct the first terminal and the second terminal to implement multi-path data transmission through the MPTCP function;

A low-layer access traffic control, switching and splitting (Access Traffic Steering, Switching and Splitting Low-Layer, ATSSS_LL) function is used to instruct the first terminal and the second terminal to implement multi-path data transmission through the ATSSS_LL function.

Wherein, the MPTCP function is used to indicate that the control, exchange or division of the data sent by the first terminal to the second terminal is realized through the MPTCP function. The ATSSS_LL function is used to indicate that the control, exchange or division of the data sent by the first terminal to the second terminal is implemented through the ATSSS_LL function. The multipath communication capability information may include at least one of the above two functions, and then the data sent from the first terminal to the second terminal can be controlled, exchanged or divided through the above at least one function.

In this embodiment of the present application, the multipath communication capability information is used to indicate that the first terminal has multipath communication capability, and the multipath communication capability includes at least one of the following:

High-level shunt function, acting above the Internet Protocol (Internet Protocol, IP) layer, including the MPTCP function acting on the PC5 interface;

Low-layer shunt function, acting below the IP layer, including the ATSSS_LL function acting on the PC5 interface.

Optionally, the multipath communication requirement information includes at least one of the following:

A multi-path communication indication, used to indicate the establishment of multi-path communication with the target terminal;

The first service descriptor is used to indicate a service that needs to send data through multiple paths;

Wherein, when the source terminal is the first terminal, the target terminal is the second terminal, and when the source terminal is the second terminal, the target terminal is the first terminal.

For example, in some embodiments, the multipath communication requirement information includes a multipath communication indication, and the first terminal may directly instruct or trigger the second terminal to establish multipath communication through the multipath communication indication. Alternatively, in some embodiments, the multipath communication requirement information includes a first service descriptor, and the first terminal uses the first service descriptor to inform the second terminal which services need to be sent through the multipath. Alternatively, in some embodiments, the multipath communication requirement information may include both the multipath communication indication and the first service descriptor.

It should be noted that the second terminal may also directly instruct or trigger the first terminal to establish multipath communication through a multipath communication instruction, and/or notify the first terminal that data needs to be sent through multipath through the first service descriptor. What kind of business.

Optionally, the multipath communication information is carried in at least one of the following messages:

found news;

Build the request message directly.

For example, taking the multipath communication message sent by the first terminal as an example, the first terminal may broadcast a discovery message, and the second terminal, relay terminal, etc. can obtain the discovery message by receiving the discovery message broadcast by the first terminal. The carried first multipath communication information means that multipath communication capability information and/or multipath communication requirement information can be acquired. It should be noted that if the relay terminal receives the discovery message broadcast by the first terminal, if the relay terminal decides to act as a UE to UE relay (UE to UE relay, U2U relay) between the first terminal and the second terminal, then the U2U relay The broadcast message carries the first multipath communication information of the first terminal, and the second terminal may also obtain the first multipath communication information of the first terminal by receiving the broadcast message of the U2U relay. Further, if the second terminal decides to establish direct communication or indirect communication through the relay terminal with the first terminal, the second terminal may initiate a process of establishing a multipath communication connection to the first terminal.

Alternatively, the first terminal may also send a direct establishment request message to the second terminal, to indicate that the first terminal requests to establish a direct communication connection with the second terminal. Further, if the second terminal decides to establish a direct communication connection with the first terminal, the second terminal may send a direct establishment acceptance message to the first terminal, the direct establishment acceptance message carrying the second multipath communication information of the second terminal, Further, the subsequent establishment of the direct communication link between the first terminal and the second terminal is performed.

It can be understood that the multipath communication information sent by the second terminal may be carried in a discovery message and/or a direct establishment request message, which will not be repeated here.

Optionally, the first terminal sending the multipath communication information of the first terminal includes:

The first terminal directly sends the multipath communication information of the first terminal to the second terminal; or,

The first terminal sends the multipath communication information of the first terminal to the second terminal through the relay terminal.

For example, the first terminal may directly send the multipath communication information to the second terminal without going through the relay terminal. In this case, the multipath communication information may be carried in the direct establishment request message sent by the first terminal, or the multipath communication message may also be carried in a discovery message broadcast by the first terminal, and the discovery The message can be directly received by the second terminal.

Alternatively, the first terminal may also send the multipath communication information to the second terminal through the relay terminal. For example, the multipath communication information is carried in the discovery message broadcast by the first terminal. After the relay terminal receives the discovery message broadcast by the first terminal, if the relay terminal decides to act as a U2U relay between the first terminal and the second terminal , the relay terminal sends the multipath communication information to the second terminal through a broadcast message, and the multipath communication information is carried in the broadcast message of the relay terminal.

Furthermore, after the second terminal obtains the multipath communication information sent by the first terminal, for example, the first terminal sends the multipath communication information to the second terminal through a direct establishment request message, the second terminal may be based on a configured policy or service requirements, etc., generate multi-path data transmission control rules, and send the multi-path data transmission control rules to the first terminal by directly establishing an accept message, and then the first terminal establishes a direct communication connection with the second terminal, that is, a direct communication path .

Wherein, the multi-path data transmission control rule is used to specify the transmission path of the matching data flow, that is, which matching business data flow, Quality of Service (Quality of Service, QoS) flow or IP data packet is transmitted on which path . The multipath data transmission control rule includes at least one of an uplink multipath data transmission control rule and a downlink multipath data transmission control rule; the uplink multipath data transmission control rule is used to control the first terminal to send to all The path on which the service data flow, QoS flow or IP data packet of the second terminal is transmitted; the downlink multipath data transmission control rule is used to control the service data flow sent by the second terminal to the first terminal , QoS flow or IP data packet is transmitted on which path.

It should be noted that the uplink multipath data transmission control rule and/or the downlink multipath data transmission control rule generated by the second terminal includes an access selection control symbol, and the access selection control symbol is used to indicate the matching data flow The transmission mode of , and/or, is used to indicate the forwarding mode of the matched data flow.

Wherein, the transmission mode of the matched data stream includes at least one of the following:

The backup activation mode is used to indicate that in the case that one path is unavailable, the matched data flow is transmitted through another available path;

The minimum delay mode is used to indicate that the matched data flow is transmitted on the minimum delay path;

The load balancing mode is used to indicate that the matching data flow determines the transmission distribution ratio according to the load percentage.

It should be noted that the above-mentioned direct communication path established between the first terminal and the second terminal is considered as the first path; further, if the first terminal decides to establish the second path with the second terminal through the relay terminal, the first terminal It may be to send a direct establishment request message to the relay terminal, and the direct establishment request message carries at least one of the following contents: the identifier of the first path, multipath communication capability information, and multipath communication requirement information. After receiving the above-mentioned direct establishment request message, the relay terminal sends the above-mentioned carried content to the second terminal through another direct establishment request message, and the second terminal and the relay terminal perform a security establishment process; the second terminal receives the said After another direct establishment request message, it is determined according to the carried content that the second path that needs to be established is another one in the multi-path communication. The second terminal can update its own PC5 context, and connect the first path with the second path. path association, the second terminal sends a direct establishment acceptance message to the relay terminal, the relay terminal performs security establishment with the first terminal, and sends the direct establishment acceptance message to the first terminal, and then the first terminal can determine the connection with the second terminal The second path established by the two terminals, and the first terminal can perform the association of the two paths. In this way, the first terminal and the second terminal can also send data streams through two paths. Of course, the first terminal and the second terminal can also establish multiple paths such as the third path and the fourth path based on the above-mentioned method, so as to realize multi-path communication between the first terminal and the second terminal, and improve communication between terminals. transmission efficiency and reliability.

It should be noted that after the second terminal associates the first path with the second path, if the multi-path data transmission control rule is updated, the updated multi-path data transmission control rule is sent to the The first terminal, the first terminal replaces the original multi-path data transmission control rule with the updated multi-path data transmission control rule, so as to ensure that the first terminal and the second terminal can communicate according to the latest multi-path data transmission control rule, ensuring The data transmission is smooth.

Optionally, the above-mentioned second path may be established through a layer 2 relay manner, or may also be established through a layer 3 relay manner.

In the embodiment of the present application, after the first terminal receives the multipath communication information of the second terminal, the method further includes:

The first terminal performs a first operation based on the multipath communication information of the second terminal, where the first operation is at least one of the following:

determining a multipath between said first terminal and a second terminal;

Generate multipath data transmission control rules;

Wherein, if the multipath between the first terminal and the second terminal is determined, sending a reply message to the second terminal through the determined multipath.

It should be noted that the embodiment of the present application provides a terminal-to-terminal multipath communication method, that is, at least two terminals are involved, the first terminal can send multipath communication information, and the second terminal can also send multipath communication information. information, and then the first terminal may also receive multipath communication information sent by the second terminal, or sent by the second terminal through the relay terminal, and perform the first operation based on the received multipath communication information.

In some embodiments, the first operation is determining a multipath between the first terminal and the second terminal. For example, after the first terminal receives the multipath communication information of the second terminal carried by the second terminal through the direct establishment request information, the first terminal determines the multipath between the first terminal and the second terminal, for example, including the first terminal and the second terminal. The multipath of direct communication directly established by the terminal, and/or the multipath of indirect communication between the first terminal and the second terminal established based on a relay terminal.

In some embodiments, when the first terminal determines the multipath between the first terminal and the second terminal, the first terminal may also send a reply message to the second terminal through the determined multipath, and then the second terminal Based on the reply message, the terminal can also know the determined multipath, so as to implement subsequent multipath communication between the first terminal and the second terminal.

Alternatively, in some embodiments, the first operation is to generate a multipath data transmission control rule. For example, after the first terminal receives the multipath communication information of the second terminal, the multipath communication information includes multipath communication requirement information, which means that the second terminal requests to establish multipath communication, and the first terminal generates The multi-path data sends the control rule and sends it to the second terminal, or sends it to the second terminal through the relay terminal. Furthermore, the first terminal and the second terminal can also perform data transmission based on the multipath data transmission control rules, such as which matching data flows, QoS flows, and which paths IP data packets are transmitted on, so as to realize the first Multi-path communication between a terminal and a second terminal improves transmission efficiency.

Alternatively, in some embodiments, after receiving the multipath communication information of the second terminal, the first terminal may also determine the multipath between the first terminal and the second terminal based on the second multipath communication information. , and send a reply message to the second terminal through the determined multipath, and the first terminal generates a multipath data transmission control rule. Certainly, the first operation may also be other specific implementation manners, which are not listed in this embodiment of the present application.

Optionally, the multipath between the first terminal and the second terminal is determined by at least one of the following:

A multipath for indirect communication between the first terminal and the second terminal established based on a relay terminal;

The multipath of the direct communication established directly between the first terminal and the second terminal.

For example, the first terminal and the second terminal may perform multi-path communication through a relay terminal, and the multi-path includes a multi-path communication between the first terminal and the second terminal established by the relay terminal. path. Alternatively, the first terminal and the second terminal may communicate directly without passing through the relay terminal, and the multipath may also include the multipath of direct communication established directly between the first terminal and the second terminal.

Optionally, the multipath data transmission control rule includes at least one of the following:

an uplink multipath data transmission control rule, used to control data transmission from the first terminal to the second terminal;

The downlink multipath data transmission control rule is used to control the data transmission from the second terminal to the first terminal.

In the embodiment of the present application, after receiving the multipath communication information of the second terminal, the first terminal can generate a multipath data transmission control rule based on the multipath communication information, and then specify the transmission path of the matching data flow, so as to The first terminal and the second terminal are made to perform data transmission according to the multipath data transmission control rule.

Optionally, the uplink multipath data transmission control rule includes at least one of the following:

The second service descriptor is used to indicate the matched data flow;

a path selection descriptor, used to indicate the transmission mode of the matched data flow;

The forwarding function descriptor is used to indicate the forwarding mode of the matched data flow.

Optionally, the downlink multipath data transmission control rule includes at least one of the following:

The second service descriptor is used to indicate a matching data flow;

The path selection descriptor is used to indicate the transmission mode of the matched data flow;

It should be noted that the content included in the uplink multipath data transmission control rule may be the same as that included in the downlink multipath data transmission control rule, for example, both include the second service descriptor and the path selection descriptor; or , the content included in the two may also be different, for example, the uplink multipath data transmission control rule only includes a path selection descriptor, and the downlink multipath data transmission control rule includes a path selection description conforming to a forwarding function descriptor. Of course, the contents included in the two may also be other implementation manners, which are not listed in this embodiment of the present application.

The minimum delay mode is used to instruct the matched data flow to be transmitted on the minimum delay path;

It can be understood that when the uplink multipath data transmission control rule and/or the downlink multipath data transmission control rule include a path selection descriptor, the first terminal and/or the second terminal can also select the path according to the path selection descriptor. To determine the transmission mode of the matched data flow, for example, it may be to transmit on the path with the smallest delay, or to determine the transmission distribution ratio on different paths according to the load percentage. In this way, the reliability of the multipath communication between the first terminal and the second terminal can also be ensured.

Optionally, the forwarding mode of the matched data flow includes at least one of the following:

Forwarding is realized through the MPTCP function acting on the PC5 interface;

Forwarding is achieved through the ATSSS_LL function acting on the PC5 interface.

Further, when the first terminal receives the multipath communication information of the second terminal, the method further includes:

The first terminal receives the first multipath association information sent by the second terminal, and performs an update of the multipath data transmission control rule based on the first multipath association information;

The first terminal sends the updated multipath data transmission control rule to the second terminal.

Wherein, the first multi-path communication association information includes one or more path identifiers, and the path identifiers are used to indicate other paths associated with the target path, the target path being the first terminal and the second terminal Any of the established multipaths. For example, a direct communication path is established between the first terminal and the second terminal, the direct communication path is the first path, and the first path executes the multi-path data transmission control rules, if the second terminal communicates with the first through the relay terminal The terminal establishes a second path for communication through the relay terminal, and the second terminal may associate the first path with the second path to obtain first multipath association information, and associate the first multipath information is sent to the first terminal, the first terminal can execute the update of the multipath data transmission control rule based on the first multipath associated information, and send the updated multipath data transmission control rule to the second terminal, In order to ensure that the first terminal and the second terminal can perform multipath communication according to the updated multipath data transmission control rule.

In this embodiment of the present application, the first terminal can send multipath communication information to the second terminal, and after receiving the multipath communication information of the first terminal, the second terminal can also generate Multipath data transmission control rules, for example, generating uplink multipath data transmission control rules and downlink multipath data transmission control rules.

Further, when the first operation is to generate a multipath data transmission control rule, after the first terminal performs the first operation based on the multipath communication information of the second terminal, the method may further include:

The first terminal receives the uplink multipath data transmission control rule generated by the second terminal;

The first terminal executes data transmission from the first terminal to the second terminal based on the uplink multipath data transmission control rule.

It can be understood that the uplink multipath data transmission control rule is used to control the data transmission from the first terminal to the second terminal, and then the first terminal can execute the first terminal to the second terminal according to the uplink multipath data transmission control rule. Data transmission by the second terminal. Further, the second terminal may also generate downlink multipath data transmission control rules, and the second terminal executes data transmission from the second terminal to the first terminal according to the downlink multipath data transmission control rules. In this way, the reliability of the multipath communication between the first terminal and the second terminal can also be ensured.

It should be noted that the uplink multipath data transmission control rule generated by the second terminal may also include at least one of the above-mentioned second service descriptor, path selection descriptor and forwarding function descriptor, and the generated by the second terminal The downlink multipath data transmission control rule may also include at least one of the above-mentioned second service descriptor, path selection descriptor and forwarding function descriptor, which will not be described in detail here.

Optionally, the first terminal receiving the uplink multipath data transmission control rule generated by the second terminal includes:

The first terminal receives a reply message, where the reply message carries the uplink multipath data transmission control rule generated by the second terminal.

That is to say, the second terminal sends a reply message to carry the generated uplink multipath data transmission control rule in the reply message to the first terminal. For example, the first terminal sends direct establishment request information to the second terminal, where the direct establishment request information carries multipath communication information of the first terminal, and the second terminal generates an uplink multipath data transmission control rule based on the multipath communication information, and carry the uplink multipath data transmission control rule in a reply message to send to the first terminal, and then the first terminal can execute the first terminal according to the uplink multipath data transmission control rule based on the received reply message. Data transmission from one terminal to a second terminal.

Optionally, the first terminal receives a reply message, including:

The first terminal receives the reply message directly sent by the second terminal; or,

The first terminal receives the reply message sent by the second terminal through the relay terminal.

That is to say, the second terminal may directly send the reply message to the first terminal; or, the second terminal sends the reply message to the relay terminal, and the relay terminal sends the reply message to the first terminal.

Further, after the first terminal sends the multipath communication information of the first terminal, the method further includes:

The first terminal sends second multipath communication associated information to the second terminal;

Wherein, the second multipath communication association information includes one or more path identifiers, the path identifiers are used to indicate other paths associated with the target path, the target path is the first terminal and the second terminal Any of the established multipaths. For example, if two communication paths are established between the first terminal and the second terminal, the first terminal may associate the first path with the second path to obtain second multipath association information, and link the second The multipath association information is sent to the second terminal, so as to ensure that the first terminal and the second terminal can communicate through the associated multipath.

In order to better understand the multipath communication method provided by the embodiment of the present application, the multipath communication method will be described below through several specific implementation manners.

Implementation Mode 1

Please refer to FIG. 3a. FIG. 3a is the second flowchart of a multipath communication method provided by an embodiment of the present application. As shown in Figure 3a, the method comprises the following steps:

Step (Step) 1. The first terminal (UE#1) broadcasts a discovery message, the discovery message carries multipath communication capability information of UE#1, and the multipath communication capability information includes high-level offload function and low-layer offload function At least one of the above; wherein, the high-level distribution function acts above the IP layer, including the MPTCP function acting on the PC5 interface, and the low-level distribution function acts below the IP layer, including the ATSSS_LL function acting on the PC5 interface;

Step2. After the relay terminal receives the discovery message, if the relay terminal decides to act as the relay (U2U relay) between the first terminal and the second terminal (UE#2), the U2U relay broadcast message carries the information of UE#1 Multipath communication capability information.

It should be noted that the above implementation is the discovery stage of the terminal, and the terminal broadcasts whether it supports multi-path communication, and which multi-path communication rule it supports. In the above embodiments, the source terminal (that is, UE#1) discovers the target terminal (such as UE#2) through the Model (Model) A discovery process; after the discovery phase is the connection establishment process, for example, if UE#2 decides After establishing a direct communication path or an indirect communication (via a relay terminal) path with UE#1, UE#2 initiates a connection establishment process to UE#1.

Implementation mode two

Please refer to FIG. 3b. FIG. 3b is a third flowchart of a multipath communication method provided by an embodiment of the present application. As shown in Figure 3b, the method includes the following steps:

Step 1. UE#1 broadcasts a discovery message, the discovery message carries multipath communication capability information of UE#1, and the multipath communication capability information includes at least one of a high-level offload function and a low-layer offload function;

Step2a. If UE#2 can directly receive the above discovery message from UE#1 and decides to establish a connection with UE#1, then UE#2 will carry the multipath communication capability information of UE#2 in the discovery reply message. The communication capability information also includes at least one of a high-level offload function and a low-level offload function;

Step2b. After receiving the discovery message from UE#1, if the relay terminal decides to serve as the U2U relay for UE#1 and UE#2, the U2U relay broadcast message carries the multipath communication capability information of UE#1;

Step3. After UE#2 receives the discovery message in the above step2b sent by U2U relay, if UE#2 decides to establish an indirect communication link with UE#1, it sends a discovery reply message to U2U relay, the discovery reply message carrying the multipath communication capability information of UE#2, the multipath communication capability information also includes at least one of the high-level offload function and the low-layer offload function;

Step4. After receiving the discovery reply message from UE#2 above, the U2U relay sends the multipath communication capability information of UE#2 to UE#1 through the discovery reply message sent by the U2U relay.

This embodiment is also the discovery phase of the terminal. The source terminal (that is, UE#1) discovers the target terminal (such as UE#2) through the Model B discovery process. Further, if UE#2 decides to establish a direct communication path or an indirect communication (via a relay terminal) path with UE#1, UE#2 initiates a connection establishment process to UE#1.

Implementation Mode Three

Please refer to FIG. 3c. FIG. 3c is a fourth flowchart of a multipath communication method provided by an embodiment of the present application. As shown in Figure 3c, the method comprises the following steps:

Step1. UE#1 sends the multipath communication information of UE#1 to UE#2 by directly establishing a request message;

Step 2. UE#2 sends the multipath communication information of UE#2 to UE#1 through a direct setup accept message carrying UE#2's multipath communication information.

In this embodiment, when UE#1 establishes a connection with UE#2, UE#1 notifies the peer terminal that UE#1 supports multi-path communication through a direct establishment request message, which is different from the first and second embodiments above that require The peer terminal is notified through the discovery phase.

After the discovery phase, the terminal can establish a multipath communication connection based on the acquired multipath communication capability. The following will introduce the specific implementation process of establishing multipath communication between terminals through several implementation modes.

Implementation Mode Four

Please refer to FIG. 3d. FIG. 3d is a fifth flowchart of a multi-path communication method provided by an embodiment of the present application. As shown in Figure 3d, the method comprises the following steps:

Step1. After the discovery phase, UE#1 can directly discover UE#2 and discover UE#2 through U2U relay#1, UE#1 decides to establish a direct path with UE#2 through the direct path first, then UE#1 sends a direct establishment request send a message to UE#2, the direct establishment request information includes at least one of multipath communication indication, multipath communication capability information and the number of required paths;

Wherein, the multipath communication indication is used to indicate that UE#1 decides to establish multipath communication with UE#2, and the direct path to be established is one of the multipath communication; the multipath communication capability information is used for Indicate the multipath transmission function supported by UE#1, including at least one of the high-level offload function and the low-layer offload function; the number of required paths is used to indicate the number of multipaths established by UE#1 and UE#2;

Step2.UE#2 and UE#1 perform the security establishment process;

Step3. After UE#2 receives the information in the above step1, it generates a multipath data transmission control rule based on the configured policy or business requirements; the multipath data transmission control rule is used to specify the transmission path of the matching data flow (that is, which matching service data flow, QoS flow or IP data packet is transmitted on which path), wherein the multipath data transmission control rule includes an uplink multipath data transmission control rule and a downlink multipath data transmission control rule, The uplink multipath data transmission control rule is used to control which path the service data flow, QoS flow or IP data packet sent by UE#1 to UE#2 is transmitted; the downlink multipath data transmission control rule is used to control UE#2 to send On which path is the service data flow, QoS flow or IP data packet for UE#1 transmitted; the uplink multipath data transmission control rule and/or the downlink multipath data transmission control rule include an access selection control symbol, and the The access selection controller is used to indicate the transmission mode of the matched data stream, and/or, used to indicate the forwarding mode of the matched data stream, and the transmission mode of the matched data stream includes standby activation mode, minimum delay mode and load balancing For at least one of the modes, the forwarding mode of the matched data flow includes forwarding through the MPTCP function acting on the PC5 interface, and/or, realizing forwarding through the ATSSS_LL function acting on the PC5 interface;

Step4.UE#2 sends the uplink multi-path control rule in the above step3 to UE#1 by directly establishing an acceptance message;

Step5. UE#1 decides to establish a second path with UE#2 through U2U relay#1, UE#1 sends a direct establishment request message to U2U relay#1, and the direct establishment request message carries at least one of the following items:

The identifier of the first path (Path#1), where the identifier of path#1 is used to identify the first path established by step1-step4, including at least one of the following manifestations: Layer 2 (L2) identity of UE#1 Identification (ID) and L2ID of UE#2, IP address of UE#1 and IP address of UE#2;

A multipath communication indication, used to indicate that UE#1 decides to establish multipath communication with UE#2, and the direct path to be established is one of the multipath communications (same as Step1);

Multipath communication capability information, used to indicate the multipath transmission function supported by UE#1 (same as Step1);

Step6. After receiving the above-mentioned direct establishment request message, U2U relay#1 sends the information carried by the above-mentioned UE#1 (refer to step5) to UE#2 through another direct establishment request message;

Step7.UE#2 and U2U relay#1 perform the security establishment process;

Step8. After receiving the direct establishment request message of U2U relay#1, UE#2 determines that the currently established path (path#2) is another one of the multipath communication between UE#2 and UE#1 according to the carried information. UE#2 updates its own PC5 context and associates path#1 with path#2; if UE#2 updates the multipath data transmission control rules, it sends the updated uplink multipath data transmission control rules to U2U relay#1 UE#1; UE#2 sends a direct establishment acceptance message to UE#1, and the direct establishment acceptance message carries the updated uplink multipath data transmission control rule;

Step9. U2U relay#1 and UE#1 perform security establishment;

Step10.U2U relay#1 sends the updated uplink multipath data transmission control rule carried by UE#2 to UE#1 through the direct establishment of the acceptance message; UE#1 executes the association of the two paths of path#1 and path#2, and The updated uplink multipath data sending control rule replaces the original uplink multipath data sending control rule.

It should be noted that the establishment of path#2 in this implementation manner may be performed by establishing a layer 3 relay.

Implementation Mode Five

Please refer to FIG. 3e. FIG. 3e is a sixth flowchart of a multipath communication method provided by an embodiment of the present application. As shown in Figure 3e, the method comprises the following steps:

Step1-Step4: refer to the description in the fourth embodiment above, and will not be repeated here;

Step5. UE#1 and UE#2 perform layer 2U2U relay establishment, then UE#1 and U2U relay#1, UE#2 and U2U relay#1 respectively establish PC5 connections;

Step6. UE#1 sends a direct establishment request message to UE#2, and the direct establishment request message includes at least one of the following: the first path (Path#1) identification, multipath communication indication and multipath traffic capability information (with reference to four Step5 of the embodiment);

Step7.UE#1 and UE#2 execute the security establishment process;

Step8. After UE#2 receives the above-mentioned direct establishment request message from UE#1, it determines that the currently established path (path#2) is the one in the multipath communication between UE#2 and UE#1 according to the information carried in the direct establishment request message. Another one, UE#2 updates its own PC5 context, and associates path#1 and path#2; if UE#2 updates the multipath data transmission control rule, it will directly establish and accept the updated uplink multipath data transmission control rule The message is sent to UE#1, and the direct establishment acceptance message carries the updated uplink multipath data transmission control rule;

Step9. UE#1 executes the association between path#1 and path#2, and replaces the original uplink multipath data transmission control rule according to the updated uplink multipath data transmission control rule.

It should be noted that the establishment of path#2 in this implementation manner may be performed by establishing a layer 2 relay.

Embodiment Six

Please refer to FIG. 3f. FIG. 3f is a seventh flowchart of a multipath communication method provided by an embodiment of the present application. As shown in Figure 3f, the method comprises the following steps:

Step0.UE#1 and UE#2 establish a direct communication path and an indirect communication path (via U2U relay#1);

Step1. According to business requirements or configuration policy information, UE#1 determines to perform multipath communication with UE#2 on a specific service, then UE#1 generates multipath data transmission control rules, including uplink multipath data transmission control rules and downlink multipath communication rules. Path data transmission control rules;

Step2: UE#1 sends at least one of the following information to UE#2 through a direct link update request:

A multipath communication indication, used to indicate that UE#1 decides to perform multipath communication with UE#2;

Uplink multipath data transmission control rules;

Step3: UE#2 replies a direct link update acceptance message to UE#1, and UE2 executes the sending of the data flow from UE2 to UE#1 based on the above-mentioned uplink multipath data transmission control rules.

The multi-path communication method provided by the embodiment of the present application makes communication between terminals no longer only through a single path, thereby expanding the communication path between terminals, and improving the transmission efficiency and communication between terminals. reliability.

It should be noted that, the multipath communication method provided in the embodiment of the present application may be executed by a multipath communication device, or a control module in the multipath communication device for executing the multipath communication method. In the embodiment of the present application, the multipath communication device provided in the embodiment of the present application is described by taking the multipath communication device executing the multipath communication method as an example.

Please refer to FIG. 4 . FIG. 4 is a structural diagram of a multipath communication device provided by an embodiment of the present application. As shown in Figure 4, the multipath communication device 400 includes:

A radio frequency module 401, configured to send multipath communication information of the device, and/or, configured to receive multipath communication information of the second terminal;

Optionally, the multipath communication capability information includes at least one of the following:

A multi-path transmission control protocol MPTCP function, used to instruct the device and the second terminal to implement multi-path data transmission through the MPTCP function;

The low-layer access flow control, switching and segmentation ATSSS_LL function is used to instruct the device and the second terminal to implement multi-path data transmission through the ATSSS_LL function.

Wherein, if the source terminal is the device, the target terminal is the second terminal, and if the source terminal is the second terminal, the target terminal is the device.

found news;

Build the request message directly.

Optionally, the radio frequency module 401 is also used for:

directly sending the multipath communication information of the device to the second terminal; or,

The multipath communication information of the device is sent to the second terminal through the relay terminal.

Optionally, the multipath communication device 400 also includes:

An executing module, configured to execute a first operation based on the multipath communication information of the second terminal, where the first operation is at least one of the following:

determining a multipath between the device and a second terminal;

Generate multipath data transmission control rules;

Wherein, if the multipath between the apparatus and the second terminal is determined, sending a reply message to the second terminal through the determined multipath.

Optionally, the multipath between the multipath communication apparatus 400 and the second terminal includes at least one of the following:

A multi-path for indirect communication between the apparatus and the second terminal established based on a relay terminal;

A multi-path for direct communication established directly between the apparatus and the second terminal.

an uplink multipath data transmission control rule, used to control data transmission from the device to the second terminal;

The downlink multipath data transmission control rule is used to control the data transmission from the second terminal to the device.

Optionally, the radio frequency module 401 is also used for:

receiving the uplink multipath data transmission control rule generated by the second terminal;

The execution module is further configured to: execute data transmission from the device to the second terminal based on the uplink multipath data transmission control rule.

Optionally, the radio frequency module 401 is also used for:

receiving a reply message, where the reply message carries the uplink multipath data transmission control rule generated by the second terminal.

Optionally, the radio frequency module 401 is also used for:

receiving a reply message directly sent by the second terminal; or,

receiving the reply message sent by the second terminal through the relay terminal.

The second service descriptor is used to indicate the matched data flow;

A forwarding function descriptor, used to indicate the forwarding mode of the matched data flow;

The downlink multipath data transmission control rule includes at least one of the following:

The second service descriptor is used to indicate a matching data flow;

Optionally, the transmission mode of the matched data stream includes at least one of the following:

Optionally, the multipath communication device 400 also includes:

An update module, configured to receive the first multipath communication associated information sent by the second terminal, and execute the update of the multipath data transmission control rule based on the first multipath communication associated information;

The radio frequency module 401 is further configured to: send the updated multipath data transmission control rule to the second terminal;

Wherein, the first multi-path communication association information includes one or more path identifiers, the path identifiers are used to indicate other paths associated with the target path, and the target path is that the apparatus and the second terminal have established Any one of the multipaths.

Optionally, the radio frequency module 401 is also used for:

sending second multipath communication associated information to the second terminal;

Wherein, the second multi-path communication association information includes one or more path identifiers, the path identifiers are used to indicate other paths associated with the target path, and the target path is that the apparatus and the second terminal have established Any one of the multipaths.

The multi-path communication device 400 provided in the embodiment of the present application enables terminals to no longer communicate only through a single path, thereby expanding the communication path between terminals and improving the transmission efficiency and reliability between terminals. sex.

The multi-path communication device 400 in the embodiment of the present application may be a device, a device with an operating system or an electronic device, and may also be a component, an integrated circuit, or a chip in a terminal. The apparatus or electronic equipment may be a mobile terminal or a non-mobile terminal. Exemplarily, the mobile terminal may include but not limited to the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (Personal Computer, PC), a television ( Television, TV), teller machines or self-service machines, etc., are not specifically limited in this embodiment of the present application.

The multi-path communication device 400 provided by the embodiment of the present application can realize each process realized by the method embodiments in FIG. 2 to FIG. 3f, and achieve the same technical effect. To avoid repetition, details are not repeated here.

Optionally, as shown in FIG. 5 , this embodiment of the present application further provides a communication device 500, including a processor 501, a memory 502, and programs or instructions stored in the memory 502 and operable on the processor 501, For example, when the communication device 500 is a terminal, when the program or instruction is executed by the processor 501, each process of the above-mentioned multi-path communication method embodiment can be achieved, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.

An embodiment of the present application further provides a terminal, including a processor and a communication interface, where the communication interface is used to send first multipath communication information. This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment, and each implementation process and implementation mode of the above-mentioned multi-path communication method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect. Specifically, FIG. 6 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.

The terminal 600 includes but is not limited to: a radio frequency unit 601, a network module 602, an audio output unit 603, an input unit 604, a sensor 605, a display unit 606, a user input unit 607, an interface unit 608, a memory 609, and a processor 610, etc. at least some of the components.

Those skilled in the art can understand that the terminal 600 may also include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 610 through the power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions. The terminal structure shown in FIG. 6 does not constitute a limitation on the terminal. The terminal may include more or fewer components than shown in the figure, or combine some components, or arrange different components, which will not be repeated here.

It should be understood that, in the embodiment of the present application, the input unit 604 may include a graphics processor (Graphics Processing Unit, GPU) 6041 and a microphone 6042, and the graphics processor 6041 is used for the image capture device ( Such as the image data of the still picture or video obtained by the camera) for processing. The display unit 606 may include a display panel 6061, and the display panel 6061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 607 includes a touch panel 6071 and other input devices 6072 . The touch panel 6071 is also called a touch screen. The touch panel 6071 may include two parts, a touch detection device and a touch controller. Other input devices 6072 may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, and joysticks, which will not be repeated here.

In the embodiment of the present application, the radio frequency unit 601 receives the downlink data from the network side device, and processes it to the processor 610; in addition, sends the uplink data to the network side device. Generally, the radio frequency unit 601 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.

The memory 609 can be used to store software programs or instructions as well as various data. The memory 609 may mainly include a program or instruction storage area and a data storage area, wherein the program or instruction storage area may store an operating system, an application program or instructions required by at least one function (such as a sound playback function, an image playback function, etc.) and the like. In addition, the memory 609 may include a high-speed random access memory, and may also include a nonvolatile memory, wherein the nonvolatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. For example at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage device.

The processor 610 may include one or more processing units; optionally, the processor 610 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface and application programs or instructions, etc., Modem processors mainly handle wireless communications, such as baseband processors. It can be understood that the foregoing modem processor may not be integrated into the processor 610 .

In this embodiment of the application, the terminal 600 is a first terminal;

Wherein, the radio frequency unit 601 is configured to send the multipath communication information of the first terminal, and/or is configured to receive the multipath communication information of the second terminal;

A multi-path transmission control protocol MPTCP function, used to instruct the first terminal and the second terminal to implement multi-path data transmission through the MPTCP function;

The low-layer access flow control, switching and dividing ATSSS_LL functions are used to instruct the first terminal and the second terminal to implement multi-path data transmission through the ATSSS_LL function.

found news;

Build the request message directly.

Optionally, the radio frequency unit 601 is also used for:

directly sending the multipath communication information of the first terminal to the second terminal; or,

Sending the multipath communication information of the first terminal to the second terminal through the relay terminal.

Optionally, the processor 610 is configured to: perform a first operation based on the multipath communication information of the second terminal, where the first operation is at least one of the following:

determining a multipath between said first terminal and a second terminal;

Generate multipath data transmission control rules;

Optionally, the multipath between the first terminal and the second terminal includes at least one of the following:

Optionally, the radio frequency unit 601 is also used for:

The processor 610 is further configured to: perform data transmission from the first terminal to the second terminal based on the uplink multipath data transmission control rule.

Optionally, the radio frequency unit 601 is also used for:

receiving a reply message directly sent by the second terminal; or,

The second service descriptor is used to indicate the matched data flow;

The second service descriptor is used to indicate a matching data flow;

Optionally, after the radio frequency unit 601 receives the multipath communication information of the second terminal, the radio frequency unit 601 is further configured to: receive first multipath communication associated information sent by the second terminal;

The processor 610 is further configured to: update the multipath data transmission control rule based on the first multipath communication association information;

The radio frequency unit 601 is further configured to: send the updated multipath data transmission control rule to the second terminal;

Wherein, the first multi-path communication association information includes one or more path identifiers, and the path identifiers are used to indicate other paths associated with the target path, the target path being the first terminal and the second terminal Any of the established multipaths.

Optionally, after the radio frequency unit 601 sends the multipath communication information of the first terminal, the radio frequency unit 601 is further configured to:

Wherein, the second multipath communication association information includes one or more path identifiers, the path identifiers are used to indicate other paths associated with the target path, the target path is the first terminal and the second terminal Any of the established multipaths.

In the embodiment of the present application, multi-path communication can be realized between terminals instead of only through a single path, which further expands the communication path between terminals and improves the transmission efficiency between terminals. and reliability.

The embodiment of the present application also provides a readable storage medium, the readable storage medium stores a program or an instruction, and when the program or instruction is executed by a processor, each process of the above multipath communication method embodiment is implemented, and can achieve The same technical effects are not repeated here to avoid repetition.

Wherein, the processor is the processor in the terminal described in the foregoing embodiments. The readable storage medium includes computer readable storage medium, such as computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.

The embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the above-mentioned embodiment of the multi-path communication method Each process, and can achieve the same technical effect, in order to avoid repetition, will not repeat them here.

It should be understood that the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.

An embodiment of the present application also provides a computer program product, the computer program product is stored in a non-transitory storage medium, and the computer program product is executed by at least one processor to implement the various processes in the above information determination method embodiments , and can achieve the same technical effect, in order to avoid repetition, it will not be repeated here.

It should be noted that, in this document, the term "comprising", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Through the description of the above embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation. Based on this understanding, the essence of the technical solution of this application or the part that contributes to related technologies can be embodied in the form of computer software products, which are stored in a storage medium (such as ROM/RAM, disk, CD) contains several instructions to enable a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in various embodiments of the present application.

The embodiments of the present application have been described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementations. The above-mentioned specific implementations are only illustrative and not restrictive. Those of ordinary skill in the art will Under the inspiration of this application, without departing from the purpose of this application and the scope of protection of the claims, many forms can also be made, all of which belong to the protection of this application.

Claims

A multipath communication method comprising:

The first terminal sends the multipath communication information of the first terminal, and/or, the first terminal receives the multipath communication information of the second terminal;

Wherein, the multipath communication information includes at least one of the following:

Multipath communication capability information, the multipath communication capability information is used to indicate that the source terminal has multipath communication capability;

multipath communication requirement information, the multipath requirement information is used to indicate that the source terminal requests to establish multipath communication;

When the multipath communication information is the multipath communication information of the first terminal, the source terminal is the first terminal, and when the multipath communication information is the multipath communication information of the second terminal In the case of communicating information, the source terminal is the second terminal.
The method according to claim 1, wherein the multipath communication capability information includes at least one of the following:

A multi-path transmission control protocol MPTCP function, used to instruct the first terminal and the second terminal to implement multi-path data transmission through the MPTCP function;

The low-layer access flow control, switching and dividing ATSSS_LL functions are used to instruct the first terminal and the second terminal to implement multi-path data transmission through the ATSSS_LL function.
The method according to claim 1, wherein the multipath communication requirement information includes at least one of the following:

A multi-path communication indication, used to indicate the establishment of multi-path communication with the target terminal;

The first service descriptor is used to indicate a service that needs to send data through multiple paths;

Wherein, when the source terminal is the first terminal, the target terminal is the second terminal, and when the source terminal is the second terminal, the target terminal is the first terminal.
The method according to claim 1, wherein the multipath communication information is carried in at least one of the following messages:

found news;

Build the request message directly.
The method according to claim 1, wherein the first terminal sending the multipath communication information of the first terminal comprises:

The first terminal directly sends the multipath communication information of the first terminal to the second terminal; or,

The first terminal sends the multipath communication information of the first terminal to the second terminal through the relay terminal.
The method according to claim 1, wherein, after the first terminal receives the multipath communication information of the second terminal, the method further comprises:

The first terminal performs a first operation based on the multipath communication information of the second terminal, where the first operation is at least one of the following:

determining a multipath between said first terminal and a second terminal;

Generate multipath data transmission control rules;

Wherein, if the multipath between the first terminal and the second terminal is determined, sending a reply message to the second terminal through the determined multipath.
The method according to claim 6, wherein the multipath between the first terminal and the second terminal includes at least one of the following:

A multipath for indirect communication between the first terminal and the second terminal established based on a relay terminal;

The multipath of the direct communication established directly between the first terminal and the second terminal.
The method according to claim 6, wherein the multipath data transmission control rules include at least one of the following:

an uplink multipath data transmission control rule, used to control data transmission from the first terminal to the second terminal;

The downlink multipath data transmission control rule is used to control the data transmission from the second terminal to the first terminal.
The method according to claim 8, wherein, in the case where the first operation is to generate a multipath data transmission control rule, after the first terminal performs the first operation based on the multipath communication information of the second terminal , the method also includes:

The first terminal receives the uplink multipath data transmission control rule generated by the second terminal;

The first terminal executes data transmission from the first terminal to the second terminal based on the uplink multipath data transmission control rule.
The method according to claim 9, wherein the first terminal receiving the uplink multipath data transmission control rule generated by the second terminal comprises:

The first terminal receives a reply message, where the reply message carries the uplink multipath data transmission control rule generated by the second terminal.
The method according to claim 10, wherein receiving the reply message by the first terminal comprises:

The first terminal receives the reply message directly sent by the second terminal; or,

The first terminal receives the reply message sent by the second terminal through the relay terminal.
The method according to claim 8, wherein the uplink multipath data transmission control rules include at least one of the following:

The second service descriptor is used to indicate the matched data flow;

a path selection descriptor, used to indicate the transmission mode of the matched data flow;

A forwarding function descriptor, used to indicate the forwarding mode of the matched data flow;

The downlink multipath data transmission control rule includes at least one of the following:

The second service descriptor is used to indicate a matching data flow;

The path selection descriptor is used to indicate the transmission mode of the matched data flow;

The forwarding function descriptor is used to indicate the forwarding mode of the matched data flow.
The method according to claim 12, wherein the transmission mode of the matched data flow comprises at least one of the following:

The backup activation mode is used to indicate that in the case that one path is unavailable, the matched data flow is transmitted through another available path;

The minimum delay mode is used to instruct the matched data flow to be transmitted on the minimum delay path;

The load balancing mode is used to indicate that the matching data flow determines the transmission distribution ratio according to the load percentage.
The method according to claim 1, wherein, after the first terminal receives the multipath communication information of the second terminal, the method further comprises:

The first terminal receives the first multipath communication associated information sent by the second terminal, and performs an update of the multipath data transmission control rule based on the first multipath communication associated information;

The first terminal sends the updated multipath data transmission control rule to the second terminal;

Wherein, the first multi-path communication association information includes one or more path identifiers, and the path identifiers are used to indicate other paths associated with the target path, the target path being the first terminal and the second terminal Any of the established multipaths.
The method according to claim 1, wherein, after the first terminal sends the multipath communication information of the first terminal, the method further comprises:

The first terminal sends second multipath communication associated information to the second terminal;

Wherein, the second multipath communication association information includes one or more path identifiers, the path identifiers are used to indicate other paths associated with the target path, the target path is the first terminal and the second terminal Any of the established multipaths.
A multipath communication device, comprising:

a radio frequency module, configured to send the multipath communication information of the device, and/or, used to receive the multipath communication information of the second terminal;

Wherein, the multipath communication information includes at least one of the following:

Multipath communication capability information, the multipath communication capability information is used to indicate that the source terminal has multipath communication capability;

multipath communication requirement information, the multipath requirement information is used to indicate that the source terminal requests to establish multipath communication;

In the case where the multipath communication information is the multipath communication information of the device, the source terminal is the device, and in the case where the multipath communication information is the multipath communication information of the second terminal Next, the source terminal is the second terminal.
The device according to claim 16, wherein the multipath communication capability information includes at least one of the following:

A multi-path transmission control protocol MPTCP function, used to instruct the device and the second terminal to implement multi-path data transmission through the MPTCP function;

The low-layer access flow control, switching and segmentation ATSSS_LL function is used to instruct the device and the second terminal to implement multi-path data transmission through the ATSSS_LL function.
The device according to claim 16, wherein the multipath communication requirement information includes at least one of the following:

A multi-path communication indication, used to indicate the establishment of multi-path communication with the target terminal;

The first service descriptor is used to indicate a service that needs to send data through multiple paths;

Wherein, if the source terminal is the device, the target terminal is the second terminal, and if the source terminal is the second terminal, the target terminal is the device.
The device according to claim 16, wherein the multipath communication information is carried in at least one of the following messages:

found news;

Build the request message directly.
The device according to claim 16, wherein the radio frequency module is further used for:

directly sending the multipath communication information of the device to the second terminal; or,

The multipath communication information of the device is sent to the second terminal through the relay terminal.
The apparatus of claim 16, further comprising:

An executing module, configured to execute a first operation based on the multipath communication information of the second terminal, where the first operation is at least one of the following:

determining a multipath between the device and a second terminal;

Generate multipath data transmission control rules;

Wherein, if the multipath between the apparatus and the second terminal is determined, sending a reply message to the second terminal through the determined multipath.
The device according to claim 21, wherein the multipath between the device and the second terminal includes at least one of the following:

A multi-path for indirect communication between the apparatus and the second terminal established based on a relay terminal;

A multi-path for direct communication established directly between the apparatus and the second terminal.
The device according to claim 21, wherein the multipath data transmission control rules include at least one of the following:

an uplink multipath data transmission control rule, used to control data transmission from the device to the second terminal;

The downlink multipath data transmission control rule is used to control the data transmission from the second terminal to the device.
The device according to claim 23, wherein the radio frequency module is further used for:

receiving the uplink multipath data transmission control rule generated by the second terminal;

The execution module is further configured to: execute data transmission from the device to the second terminal based on the uplink multipath data transmission control rule.
The device according to claim 24, wherein the radio frequency module is further used for:

receiving a reply message, where the reply message carries the uplink multipath data transmission control rule generated by the second terminal.
The device according to claim 25, wherein the radio frequency module is further used for:

receiving a reply message directly sent by the second terminal; or,

receiving the reply message sent by the second terminal through the relay terminal.
The device according to claim 23, wherein the uplink multipath data transmission control rule includes at least one of the following:

The second service descriptor is used to indicate the matched data flow;

a path selection descriptor, used to indicate the transmission mode of the matched data flow;

A forwarding function descriptor, used to indicate the forwarding mode of the matched data flow;

The downlink multipath data transmission control rule includes at least one of the following:

The second service descriptor is used to indicate a matching data flow;

The path selection descriptor is used to indicate the transmission mode of the matched data flow;

The forwarding function descriptor is used to indicate the forwarding mode of the matched data flow.
The apparatus according to claim 27, wherein the transmission mode of the matched data stream comprises at least one of the following:

The backup activation mode is used to indicate that in the case that one path is unavailable, the matched data flow is transmitted through another available path;

The minimum delay mode is used to instruct the matched data flow to be transmitted on the minimum delay path;

The load balancing mode is used to indicate that the matching data flow determines the transmission distribution ratio according to the load percentage.
The apparatus of claim 16, further comprising:

An update module, configured to receive the first multipath communication associated information sent by the second terminal, and execute the update of the multipath data transmission control rule based on the first multipath communication associated information;

The radio frequency module is further configured to: send the updated multipath data transmission control rule to the second terminal;

Wherein, the first multi-path communication association information includes one or more path identifiers, the path identifiers are used to indicate other paths associated with the target path, and the target path is that the apparatus and the second terminal have established Any one of the multipaths.
The device according to claim 16, wherein the radio frequency module is further used for:

sending second multipath communication associated information to the second terminal;

Wherein, the second multi-path communication association information includes one or more path identifiers, the path identifiers are used to indicate other paths associated with the target path, and the target path is that the apparatus and the second terminal have established Any one of the multipaths.
A terminal, including a processor, a memory, and a program or instruction stored in the memory and operable on the processor, when the program or instruction is executed by the processor, the implementation of claims 1-15 The steps of any one of the multipath communication methods.
A readable storage medium, storing programs or instructions on the readable storage medium, and implementing the steps of the multipath communication method according to any one of claims 1-15 when the programs or instructions are executed by a processor.
A chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the multi-processor according to any one of claims 1-15. The steps of the path communication method.
A computer program product, the computer program product is stored in a non-transitory storage medium, and the computer program product is executed by at least one processor to implement the multipath according to any one of claims 1-15 The steps of the communication method.
A communication device configured to execute the steps of the multi-path communication method according to any one of claims 1-15.