WO2023151546A1

WO2023151546A1 - Transmission mode determination method, and first terminal and relay terminal

Info

Publication number: WO2023151546A1
Application number: PCT/CN2023/074696
Authority: WO
Inventors: 刘进华; 郑倩
Original assignee: 维沃移动通信有限公司
Priority date: 2022-02-10
Filing date: 2023-02-07
Publication date: 2023-08-17
Also published as: CN116634522A

Abstract

The present application belongs to the technical field of communications. Disclosed are a transmission mode determination method, and a first terminal and a relay terminal. The transmission mode determination method in the embodiments of the present application comprises: a first terminal acquiring first information, wherein the first information is used for indicating a target transmission mode used for communication between the first terminal and a second terminal; and the first terminal determining the target transmission mode on the basis of the first information, wherein the target transmission mode comprises at least one of the following: a first transmission mode, which is used for indicating that the first terminal communicates with the second terminal by means of a relay terminal; a second transmission mode, which is used for indicating that the first terminal communicates with the second terminal by means of a sidelink; and a third transmission mode, which is used for indicating that the first terminal communicates with the second terminal by means of a network-side device.

Description

Transmission mode determination method, first terminal and relay terminal

Cross References to Related Applications

This application claims the priority of the Chinese patent application with the application number 202210126273.5 filed on February 10, 2022, and the title of the invention is "Method for Determining Transmission Mode, First Terminal and Relay Terminal", which is incorporated herein by reference in its entirety Apply.

technical field

The present application belongs to the technical field of communication, and specifically relates to a method for determining a transmission mode, a first terminal and a relay terminal.

Background technique

In the relay technology in the wireless communication system, one or more relay nodes are added between the base station and the terminal, and the wireless signals are forwarded by the relay nodes. In the relay transmission scenario from User Equipment (UE) to UE (UE to UE, U2U), the relay transmission network includes remote UE1, remote UE2 and relay UE. The communication information sent from the remote UE1 to the remote UE2 needs to be sent to the relay UE first, and the relay UE forwards it to the remote UE2; similarly, the communication information sent from the remote UE2 to the remote UE1 needs to be sent to the relay UE first , which is forwarded by the relay UE to the remote UE1. In addition, remote UEs can also communicate through a side link.

However, even though there are currently many transmission technologies for communication between UEs, there is still a problem of low communication efficiency.

Contents of the invention

Embodiments of the present application provide a method for determining a transmission mode, a first terminal, and a relay terminal, which can solve the problem of low communication efficiency.

In the first aspect, a method for determining a transmission mode is provided, and the method includes:

The first terminal acquires first information; where the first information is used to indicate a target transmission mode used for communication between the first terminal and the second terminal;

The first terminal determines the target transmission mode based on the first information; wherein the target transmission mode includes at least one of the following:

The first transmission mode is used to instruct the first terminal to communicate with the second terminal through a relay terminal;

The second transmission mode is used to instruct the communication between the first terminal and the second terminal via a one-hop side link;

The third transmission manner is used to instruct the communication between the first terminal and the second terminal to be performed through a network side device.

In a second aspect, a method for determining a transmission mode is provided, and the method includes:

The relay terminal acquires first information; where the first information is used to indicate a target transmission mode used for communication between the first terminal and the second terminal;

The relay terminal determines the target transmission mode based on the first information; wherein the target transmission mode includes at least one of the following:

The first transmission mode is used to instruct the first terminal to communicate with the second terminal through the relay terminal;

In a third aspect, a device for determining a transmission mode is provided, and the device includes:

A first acquiring module, configured to acquire first information; wherein, the first information is used to indicate a target transmission mode used for communication between the first terminal and the second terminal;

A first determining module, configured to determine the target transmission mode based on the first information; wherein the target transmission mode includes at least one of the following:

The first transmission method is used to indicate that the first terminal and the second terminal are connected through a relay terminal terminal to communicate;

In a fourth aspect, a device for determining a transmission mode is provided, and the device includes:

The second acquiring module is configured to acquire the first information; wherein the first information is used to indicate the target transmission mode used for communication between the first terminal and the second terminal;

A second determining module, configured to determine the target transmission mode based on the first information; wherein the target transmission mode includes at least one of the following:

In a fifth aspect, a first terminal is provided, the first terminal includes a processor and a memory, the memory stores programs or instructions that can run on the processor, and the programs or instructions are executed by the processor When realizing the steps of the method as described in the first aspect.

In a sixth aspect, a first terminal is provided, including a processor and a communication interface; wherein the processor is used for:

Acquiring first information; wherein, the first information is used to indicate a target transmission mode used for communication between the first terminal and the second terminal;

Determine the target transmission mode based on the first information; wherein the target transmission mode includes at least one of the following:

In a seventh aspect, a relay terminal is provided, the relay terminal includes a processor and a memory, the memory stores programs or instructions that can run on the processor, and the programs or instructions are executed by the processor When realizing the steps of the method as described in the second aspect.

In an eighth aspect, a relay terminal is provided, including a processor and a communication interface; wherein the processor is used for:

A ninth aspect provides a system for determining a transmission mode, including: a first terminal and a relay terminal, the first terminal can be used to perform the steps of the method described in the first aspect, and the relay terminal can be used to perform The steps of the method as described in the second aspect.

In a tenth aspect, a readable storage medium is provided, and 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 method described in the first aspect are implemented, or the steps of the method as described in the first aspect are implemented, or the The steps of the method described in the second aspect.

In an eleventh aspect, a chip is provided, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, the processor is used to run programs or instructions, and implement the first The method described in the first aspect, or implement the method described in the second aspect.

In a twelfth aspect, a computer program/program product is provided, the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement the The steps of the method, or realize the steps of the method as described in the second aspect.

In this embodiment of the present application, the first information is acquired by the first terminal, and based on the first information, the target transmission method used for communication between the first terminal and the second terminal is determined, so that the communication between the first terminal and the second terminal The preferred transmission method can be used to realize the communication between the two, better meet the quality of service requirements, and avoid the problem of low communication efficiency caused by always using a certain transmission method between the first terminal and the second terminal, which can improve communication efficiency.

Description of drawings

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

Fig. 2 is one of the schematic flowcharts of the method for determining the transmission mode provided in the embodiment of the present application;

Fig. 3 is the second schematic flow diagram of the method for determining the transmission mode provided by the embodiment of the present application;

Fig. 4 is one of the structural schematic diagrams of the device for determining the transmission mode provided by the embodiment of the present application;

Fig. 5 is the second structural schematic diagram of the device for determining the transmission mode provided by the embodiment of the present application;

FIG. 6 is a schematic structural diagram of a communication device provided by an embodiment of the present application;

FIG. 7 is a schematic 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 present application can be used in a manner other than that illustrated or described herein. It is implemented in an order other than those mentioned above, and the objects distinguished by "first" and "second" are usually of one type, 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 noting 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 technology can be used for the above-mentioned system and radio technology, and can also be used for other systems and radio technologies. The following description describes the New Radio (NR) system for example purposes, and uses NR terms in most of the following descriptions, but these techniques can also be applied to communication systems other than NR system applications, such as the 6th generation (6th generation Generation, 6G) communication system.

FIG. 1 is a schematic diagram of a wireless communication system applicable to the embodiment of the present application. The wireless communication system shown in FIG. 1 includes: a first terminal 11, a second terminal 12, and a relay terminal 13; the relay terminal 13 may be a Or two or more Relay UEs. The first terminal 11 and the second terminal 12 can communicate through the relay terminal 13, and the first terminal 11 and the second terminal 12 can also communicate directly, and the first Communication between the terminal 11 and the second terminal 12 is also performed through a network side device.

Wherein, the first terminal 11, the second terminal 12 and the relay terminal 13 can be mobile phones, tablet computers (Tablet Personal Computer), laptop computers (Laptop Computer) or be called notebook computers, personal digital assistants (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (UMPC), mobile internet device (Mobile Internet Device, MID), augmented reality (augmented reality, AR)/virtual Virtual reality (virtual reality, VR) equipment, robots, wearable devices (Wearable Device), vehicle-mounted equipment (VUE), pedestrian terminal (PUE), smart home (home equipment with wireless communication functions, such as refrigerators, TVs, washing machines or furniture, etc.), game consoles, personal computers (personal computers, PCs), teller machines or self-service machines and other terminal-side devices, 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, etc. It should be noted that, the embodiment of the present application does not limit the specific type of the terminal.

It can be understood that, in addition to the first terminal 11 , the second terminal 12 and the relay terminal 13 , the wireless communication system to which the embodiment of the present application is applicable may also include a network side device. Wherein, the network side equipment may include access network equipment or core network equipment, wherein the access network equipment may also be called radio access network equipment, radio access network (Radio Access Network, RAN), radio access network function or Wireless access network unit. The access network equipment may include a base station, a WLAN access point, or a WiFi node, etc., and the base station may be called a node B, an evolved node B (eNB), an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station , radio transceiver, Basic Service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Home Node B, Home Evolved Node B, Transmitting Receiving Point (Transmitting Receiving Point, TRP) or the Any other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to a specific technical vocabulary. Specific types of base stations are defined. The core network equipment may include but not limited to at least one of the following: core network node, core network function, mobility management entity (Mobility Management Entity, MME), access mobility management function (Access and Mobility Management Function, AMF), session management function (Session Management Function, SMF), user plane function (User Plane Function, UPF), policy control function (Policy Control Function, PCF), policy and charging rules function unit (Policy and Charging Rules Function, PCRF), edge application service Discovery function (Edge Application Server Discovery Function, EASDF), unified data management (Unified Data Management, UDM), unified data storage (Unified Data Repository, UDR), home subscriber server (Home Subscriber Server, HSS), Centralized network configuration (Centralized network configuration, CNC), network storage function (Network Repository Function, NRF), network exposure function (Network Exposure Function, NEF), local NEF (Local NEF, or L-NEF), binding support function (Binding Support Function, BSF), application function (Application Function, AF), location management function (location manage function, LMF), enhanced serving mobile location center (Enhanced Serving Mobile Location Centre, E-SMLC), network data analysis function ( network data analytics function, NWDAF), etc. It should be noted that, in the embodiment of the present application, only the core network equipment in the NR system is used as an example for introduction, and the specific type of the core network equipment is not limited.

The method for determining the transmission mode provided by the embodiment of the present application will be described in detail below through some embodiments and application scenarios with reference to the accompanying drawings.

Fig. 2 is one of the flow diagrams of the method for determining the transmission mode provided in the embodiment of the present application. As shown in Fig. 2, the method includes steps 201-202; wherein:

Step 201, the first terminal acquires first information; wherein, the first information is used to indicate the target transmission mode used for communication between the first terminal and the second terminal;

Step 202, the first terminal determines the target transmission mode based on the first information; wherein the target transmission mode includes at least one of the following:

It should be noted that the embodiments of the present application can be applied to a wireless communication system supporting a relay (Relay). The first terminal is such as Remote UE1, the second terminal is such as Remote UE2, and the relay terminal is such as Relay UE. It can be understood that the multi-hop relay communication between the first terminal and the second terminal may be performed through one or more than two relay terminals.

In practice, the first transmission mode can be called relay transmission mode, which refers to the communication between the first terminal and the second terminal Communication between two or more side links established by relay terminals. The second transmission mode may be referred to as a direct transmission mode, and refers to a mode in which the first terminal and the second terminal communicate through a one-hop side link between the two. The third transmission mode may be referred to as a network-side transmission mode, which refers to communication between the first terminal and the second terminal through two or more transmission links established by network-side equipment.

Optionally, the first information may include at least one of the following: wireless channel quality and/or wireless channel quality of a transmission path corresponding to at least one transmission mode (at least one of the first transmission mode, the second transmission mode, or the third transmission mode) Or transmission delay; the transmission delay threshold of the information to be transmitted; the data volume of the information to be transmitted.

Specifically, the first information may include at least one of the following:

1) Wireless channel quality and/or transmission delay of the first side link between the first terminal and the relay terminal.

In practice, the wireless channel quality may include sidelink discovery reference signal received power (sidelink discovery reference signal received power, SD-RSRP) and sidelink reference signal received power (sidelink reference signal received power, SL-RSRP), etc. one or more.

2) Wireless channel quality and/or transmission delay of the second side link between the second terminal and the relay terminal.

3) Wireless channel quality and/or transmission delay of the third side link between the first terminal and the second terminal.

For example, taking the wireless communication system shown in FIG. 1 as an example, the side link between the first terminal 11 and the relay terminal 13 is the first side link, and the side link between the second terminal 12 and the relay terminal 13 is The link is the second side link, and the side link between the first terminal 11 and the second terminal 12 is the third side link.

4) The transmission delay threshold of the information to be transmitted between the first terminal and the second terminal.

5) The data volume of information to be transmitted between the first terminal and the second terminal.

When there is a communication requirement between the first terminal and the second terminal, the first terminal can better meet the service quality requirement based on the target transmission mode determined by the first information.

In the method for determining the transmission method provided in the embodiment of the present application, the first information is obtained through the first terminal, and the target transmission method used for communication between the first terminal and the second terminal is determined based on the first information mode, so that the first terminal and the second terminal can use the preferred transmission mode to realize the communication between the two, better meet the quality of service requirements, and avoid always using a certain transmission mode between the first terminal and the second terminal This leads to the problem of low communication efficiency, so that the communication efficiency can be improved.

Optionally, step 201 and step 202 may be performed periodically to achieve the purpose of maintaining high communication efficiency.

Optionally, after the first terminal determines the target transmission mode based on the first information, the first terminal establishes a transmission path corresponding to the target transmission mode, and the established transmission path can better meet service quality requirements, Based on the established transmission path, the first terminal communicates with the second terminal using the target transmission mode, which can improve communication efficiency.

Here, an implementation manner in which the first terminal obtains the first information is described.

First, for the opportunity for the first terminal to acquire the first information, when the first terminal communicates with the second terminal using the current transmission mode (the first transmission mode, the second transmission mode or the third transmission mode), or when establishing The first information is acquired during the transmission path corresponding to the initial transmission mode.

Optionally, the manner in which the first terminal acquires the first information may include at least one of the following manners:

a) The first terminal measures the wireless channel quality and/or transmission delay of the first side link;

b) the first terminal receives the wireless channel quality and/or transmission delay of the first side link from the relay terminal;

c) the first terminal receives the wireless channel quality and/or transmission delay of the second side link from the relay terminal;

d) the first terminal receives the wireless channel quality and/or transmission delay of the second side link from the second terminal;

e) the first terminal measures the wireless channel quality and/or transmission delay of the third side link;

f) the first terminal receives the wireless channel quality and/or transmission delay of the third side link from the relay terminal;

g) the first terminal receives the wireless channel quality and/or transmission delay of the third side link from the second terminal;

h) The first terminal determines the transmission delay threshold of the information to be transmitted between the first terminal and the second terminal according to the communication requirement;

i) The first terminal determines the data volume of the information to be transmitted between the first terminal and the second terminal according to the communication requirement.

Referring to the wireless communication system shown in FIG. 1, the second transmission method uses the third side link between the first terminal and the second terminal, and the quality of the wireless channel corresponding to the third side link is denoted as X1, and the third side link The transmission delay corresponding to the link is recorded as D1. The relay path corresponding to the first transmission mode includes a first side link and a second side link, the first side link is a side link between the first terminal 11 and the relay terminal 13, and the second side link is the side link between the second terminal 12 and the relay terminal 13; the wireless channel quality corresponding to the first side link is denoted as X2-1, the transmission delay corresponding to the first side link is denoted as D2-1, and the first side link is denoted as D2-1. The wireless channel quality corresponding to the second side link is denoted as X2-2, and the transmission delay corresponding to the second side link is denoted as D2-2.

Here, an implementation manner in which the first terminal determines the target transmission manner based on the first information is described.

1. In the case where the first information is related to the quality of the wireless channel, the implementation of the first terminal determining the target transmission mode based on the first information may include at least one of the following methods:

Mode 1: the first terminal determines that the target transmission mode is the first transmission mode when the quality of the wireless channel of the third side link is lower than a first preset threshold.

Way 2: The first terminal determines that the target transmission mode is the second transmission mode when the wireless channel quality of the third side link is higher than or equal to a first preset threshold.

Method 3: When the quality of the wireless channel of the third side link is lower than the second preset threshold and the quality of the wireless channel of the first side link is higher than the third preset threshold, the first terminal determines The target transmission mode is the first transmission mode.

Way 4: The wireless channel quality of the first terminal on the third side link is lower than the fourth preset threshold, and the wireless channel quality of the first side link and the wireless channel quality of the second side link If both are higher than the fifth preset threshold, it is determined that the target transmission mode is the first transmission mode.

Way 5: the first terminal determines that the target transmission mode is the first side link when the radio channel quality of the first side link and the radio channel quality of the second side link are both higher than a fifth preset threshold. Describe the first transmission method.

Method 6: The wireless channel quality of the first terminal on the third side link is higher than the sixth preset threshold, and the wireless channel quality of the first side link and the wireless channel quality of the second side link When at least one of them is lower than the seventh preset threshold, it is determined that the target transmission mode is the second transmission mode.

Mode 7: the first terminal determines the target transmission when at least one of the radio channel quality of the first side link and the radio channel quality of the second side link is lower than a seventh preset threshold The mode is the second transmission mode.

Referring to the wireless communication system shown in FIG. 1, the second transmission method uses the third side link between the first terminal and the second terminal, and the quality of the wireless channel corresponding to the third side link is denoted as X1; and the first The relay path corresponding to the transmission mode includes a first side link and a second side link, the first side link is the side link between the first terminal 11 and the relay terminal 13, and the second side link is the second side link The side link between the terminal 12 and the relay terminal 13; the wireless channel quality corresponding to the first side link is denoted as X2-1, and the wireless channel quality corresponding to the second side link is denoted as X2-2.

Here, the process of determining the target transmission mode by the first terminal is described with regard to whether the first terminal cooperates with other terminals during the execution process of determining the target transmission mode.

Execution process 1. The first terminal determines the target transmission mode according to the provisioning rules:

Principle 1-1, when the wireless channel quality X1 measured by the first terminal is lower than the first preset threshold, the first terminal determines that the second transmission method is unavailable, selects an available relay terminal, and establishes a relay channel to use Communication in the first transmission mode; and when the wireless channel quality X1 measured by the first terminal is higher than or equal to the first preset threshold, the first terminal selects the second transmission mode for communication.

Principle 1-2, when the wireless channel quality X1 measured by the first terminal is lower than the second preset threshold, and the measured wireless channel quality X2 between the relay terminal and the relay terminal is higher than the third preset threshold, The first terminal chooses to use the relay terminal to establish a relay channel and use the first transmission mode for communication.

Execution process 2, the first terminal and the second terminal negotiate to determine the target transmission mode:

A situation (referred to as situation 1): when the first terminal and the second terminal use the established transmission mode (the first transmission mode, the second transmission mode or the third transmission mode) or establish the corresponding transmission mode of the initial transmission mode In the course of the channel, the measurement information is exchanged, and the second terminal sends the measured X2-2 to The remote first terminal, the first terminal determines whether to switch the transmission mode based on the X2-1 and X1 measured by itself and the received X2-2, specifically:

Switching scenario 1: In the case that the first terminal is currently using the second transmission method, if the condition (1) X1 is lower than the fourth threshold, and/or the condition (2) both X2-1 and X2-2 are high At the fifth threshold, the first terminal triggers a process of switching to the first transmission mode.

Handover scenario 2: In the case that the first terminal is currently using the first transmission method, if the condition (3) X1 is higher than the sixth threshold, and/or the condition (4) at least X2-1 and X2-2 is satisfied If one is lower than the seventh threshold, the first terminal triggers a process of switching to the second transmission mode.

Another scenario (referred to as scenario 2): the first terminal sends the measured X2-1 to the second terminal, and the second terminal determines whether to switch transmission based on its own measured X2-2 and X1 and received X2-1 Way.

Execution process 3. The relay terminal assists the first terminal or the second terminal to determine the target transmission mode:

Specifically, the execution process 3 may include any of the following methods:

Method 3-1: During the process of initiating the establishment of the relay link, the first terminal sends the request information, X1 and X2-1 for establishing a relay path corresponding to the first transmission mode with the second terminal to the relay terminal; and then , the relay terminal requests the second terminal to send X2-2 to the relay terminal during the process of establishing a sidelink connection with the second terminal based on the request information, or the relay terminal measures the wireless channel quality X2 between itself and the second terminal -2. The relay terminal determines the target transmission mode according to the obtained measurement quantities X1, X2-1, and X2-2. If the target transmission mode determined by the relay terminal is the first transmission mode, then continue the process of establishing the relay path; otherwise, the relay terminal stops the process of establishing the relay path and sends the target transmission mode to the first terminal or the second terminal. Two terminals.

Method 3-2: During the process of initiating the establishment of the relay link, the first terminal sends the request information for establishing a relay transmission path with the second terminal to the relay terminal; During the process of establishing a sidelink connection, the two terminals request the second terminal to send X2-2 to the relay terminal, or the relay terminal measures the wireless channel quality X2-2 between itself and the second terminal, and the relay terminal sends X2-2 For the first terminal (or the second terminal), the first terminal determines the target transmission mode by itself according to the principle or situation in the above-mentioned execution process 1 or 2. If the first terminal determines that the target transmission mode is the first transmission mode, then sending a response message to the relay terminal to notify the relay terminal to continue the establishment process of the relay path; If the first terminal determines that the target transmission mode is the second transmission mode, it sends a response message to the relay terminal to notify the relay terminal to stop the process of establishing the relay path.

Method 3-3: During the communication between the first terminal and the second terminal using the first transmission method, the relay terminal obtains X1 (optional) and X2-2 and sends them to the first terminal, or obtains X1 (optional) and X2 -1 is sent to the second terminal, and the second terminal or the first terminal determines the target transmission mode according to the principles or situations in the above execution process 1 or 2; if the target transmission mode determined by the first terminal or the second terminal is the first transmission mode, then continue to maintain the first transmission mode, otherwise, the first terminal or the second terminal initiates a process of switching from the first transmission mode to the second transmission mode.

Method 3-4: During the communication process between the first terminal and the second terminal using the first transmission method, the relay terminal obtains X1, X2-1 and X2-2, and the relay terminal determines the target transmission mode; as determined by the target If the transmission mode is the first transmission mode, then continue to maintain the first transmission mode; otherwise, the relay terminal sends the notification information of the transmission mode switching to the first terminal or the second terminal, and the first terminal or the second terminal initiates the notification after receiving the notification information. The process of switching from the first transmission mode to the second transmission mode.

2. In the case where the first information is related to the transmission delay, the first terminal may implement at least one of the following methods to determine the target transmission method based on the first information:

Mode 1) The first terminal determines that the target transmission mode is the first transmission mode when the transmission delay budget corresponding to the first transmission mode is less than or equal to the transmission delay threshold of the information to be transmitted;

Wherein, the transmission delay budget is obtained according to a sum of transmission delays of all side links included in the transmission path corresponding to the first transmission mode.

Mode 2) The transmission delay budget of the first terminal corresponding to the first transmission mode is greater than the transmission delay threshold of the information to be transmitted, and the transmission delay of the third side link is less than or equal to the information to be transmitted In the case of the transmission delay threshold of , determine that the target transmission mode is the second transmission mode.

Mode 3) The transmission delay budget corresponding to the first transmission mode of the first terminal and the transmission delay of the third side link are both greater than the transmission delay threshold of the information to be transmitted, and the third side link When the transmission delay of the link is less than or equal to the transmission delay budget corresponding to the first transmission mode, Determine that the target transmission mode is the second transmission mode.

Mode 4) The transmission delay budget corresponding to the first transmission mode of the first terminal and the transmission delay of the third side link are both greater than the transmission delay threshold of the information to be transmitted, and the third side link If the transmission delay of the link is greater than the transmission delay budget corresponding to the first transmission mode, determine that the target transmission mode is the first transmission mode.

Mode 5) The first terminal determines that the transmission delay budget corresponding to the first transmission mode and the transmission delay of the third side link are greater than the transmission delay threshold of the information to be transmitted. The target transmission mode is the third transmission mode. In this case, the first terminal communicates with the second terminal through a network-side device. It can be understood that the first terminal can be wirelessly connected to the first network-side device, and the second terminal It can be wirelessly connected with the second network side device, and the first network side device and the second network side device can be the same network side device, network element or function, or different network side devices, network elements or functions.

The first terminal or the second terminal evaluates the transmission delay budget D1 between the first terminal and the second terminal using the direct transmission method, and the relay terminal or the first terminal evaluates the transmission delay budget D1 between the relay terminal and the first terminal. The required transmission delay D2-1, the required transmission delay D2-2 between the relay terminal and the second terminal is estimated by the relay terminal or the second terminal, then the first terminal and the second terminal use the relay The total delay budget for data transmission in the transmission mode is (D2-1+D2-2). Assume that the delay requirement for data transmission between the first terminal and the second terminal is not more than D0; if D2-1+D2-2<=D0, it is determined that the relay transmission method can also meet the delay requirement, if D1<= D0 and D2-1+D2-2>D0, it is determined that the direct transmission mode can meet the delay requirement. If neither the direct transmission method nor the relay transmission method meets the delay requirement, a transmission method with a shorter delay can be selected, or if both the first terminal and the second terminal have base station coverage, they can choose to communicate through network-side equipment.

In the above case where the first information is related to the transmission delay, the first terminal determines the target transmission mode based on the first information may be determined by the first terminal, or may be determined by the relay terminal.

Specifically, when determined by the first terminal (that is, the terminal that initiates the communication), the relay terminal needs to send the transmission delay budget of the side link experienced by the data through the relay path to the first terminal, and then the first terminal determines transmission mode, and initiate the process of establishing a wireless transmission channel according to the determined transmission mode;

When determined by a relay terminal, the first terminal needs to send D1 and D0 to the relay terminal, then the relay terminal determines the transmission mode and sends the transmission mode to the first terminal, and then the first terminal Initiate the process of establishing a wireless transmission channel.

3. In the case where the first information is related to the data volume of the information to be transmitted, the implementation of the first terminal determining the target transmission method based on the first information may include at least one of the following methods:

Based on the first information, the first terminal determines that the target transmission mode is the second transmission mode when the target condition is satisfied; wherein the target condition includes at least one of the following:

a) The data volume of the information to be transmitted is less than the eighth preset threshold;

b) The wireless channel quality of the third side link is higher than or equal to the ninth preset threshold;

c) There is no transmission path corresponding to the first transmission mode between the first terminal and the second terminal.

Optionally, when the amount of data sent by the first terminal to the second terminal is lower than a preset threshold, there is no relay path between the first terminal and the second terminal, and the communication between the first terminal and the second terminal When the quality of the wireless channel is higher than a minimum threshold, the first terminal preferentially establishes a side link with the second terminal to perform data transmission in a direct transmission manner. The advantage of doing this is to avoid triggering the process of establishing a relay path with a large amount of signaling in order to transmit a small amount of data.

Fig. 3 is the second schematic flow diagram of the method for determining the transmission mode provided by the embodiment of the present application. As shown in Fig. 3, the method includes steps 301-302; wherein:

Step 301, the relay terminal acquires first information; wherein, the first information is used to indicate the target transmission mode used for communication between the first terminal and the second terminal;

Step 302. The relay terminal determines the target transmission mode based on the first information; wherein the target transmission mode includes at least one of the following:

The third transmission mode is used to indicate that the connection between the first terminal and the second terminal is via the network side devices to communicate.

It can be understood that the multi-hop relay communication between the first terminal and the second terminal may be performed through one or more than two relay terminals.

Optionally, in a multi-hop U2U relay network, when the transmission mode is determined by the relay terminal, a relay terminal in the relay path can be determined as the main relay terminal. The relay terminal connected between the terminal or the second terminal is used as the main relay terminal, or when there is network coverage, the network can configure a relay terminal as the main relay terminal, and other relay terminals in the relay path need to obtain The wireless channel measurement amount or the side-link delay is sent to the main relay terminal, and the main relay terminal assists the first terminal or the second terminal in determining the transmission mode.

In practice, the first transmission mode may be called a relay transmission mode, which refers to a mode in which the first terminal and the second terminal communicate through two or more side links established by the relay terminal. The second transmission mode may be referred to as a direct transmission mode, and refers to a mode in which the first terminal and the second terminal communicate through a one-hop side link between the two. The third transmission mode may be referred to as a network-side transmission mode, which refers to communication between the first terminal and the second terminal through two or more transmission links established by network-side equipment.

Specifically, the first information may include at least one of the following:

For example, taking the wireless communication system shown in FIG. 1 as an example, the side link between the first terminal 11 and the relay terminal 13 is the first side link, and the side link between the second terminal 12 and the relay terminal 13 is link is is the second side link, and the side link between the first terminal 11 and the second terminal 12 is the third side link.

Optionally, after the relay terminal determines the target transmission mode based on the first information, the relay terminal sends the target transmission mode to the first terminal and/or the second terminal; wherein, the target The transmission mode is used to instruct the first terminal or the second terminal to establish a transmission path corresponding to the target transmission mode. Furthermore, the first terminal or the second terminal establishes a transmission path corresponding to the target transmission mode.

In the method for determining the transmission mode provided in the embodiment of the present application, the first information is obtained through the relay terminal, and the target transmission mode used for communication between the first terminal and the second terminal is determined based on the first information, so that the first terminal and the second terminal The second terminal can dynamically use the preferred transmission mode to realize the communication between the two, better meet the quality of service requirements, and avoid the low communication efficiency caused by the constant use of a certain transmission mode between the first terminal and the second terminal problem, so that communication efficiency can be improved.

Optionally, an implementation manner in which the relay terminal determines the target transmission manner based on the first information may include at least one of the following:

1) The relay terminal determines that the target transmission mode is the first transmission mode when the wireless channel quality of the third side link is lower than a first preset threshold;

2) The relay terminal determines that the target transmission mode is the second transmission mode when the wireless channel quality of the third side link is higher than or equal to a first preset threshold;

3) The relay terminal, when the wireless channel quality of the third side link is lower than the second preset threshold, and the wireless channel quality of the first side link is higher than the third preset threshold, determining that the target transmission mode is the first transmission mode;

4) The quality of the wireless channel of the relay terminal on the third side link is lower than a fourth preset threshold, and the quality of the wireless channel of the first side link is the same as that of the wireless channel of the second side link When the quality is higher than the fifth preset threshold, determining that the target transmission mode is the first transmission mode;

5) The relay terminal determines that the target transmission mode is the first transmission method;

6) The quality of the wireless channel of the relay terminal on the third side link is higher than the sixth preset threshold, and the quality of the wireless channel of the first side link is the same as that of the wireless channel of the second side link When at least one of the qualities is lower than the seventh preset threshold, determining that the target transmission mode is the second transmission mode;

7) The relay terminal determines the target when at least one of the radio channel quality of the first side link and the radio channel quality of the second side link is lower than a seventh preset threshold The transmission mode is the second transmission mode.

a) The relay terminal determines that the target transmission mode is the first transmission mode when the transmission delay budget corresponding to the first transmission mode is less than or equal to the transmission delay threshold of the information to be transmitted Way;

b) The transmission delay budget of the relay terminal corresponding to the first transmission mode is greater than the transmission delay threshold of the information to be transmitted, and the transmission delay of the third side link is less than or equal to the In the case of the transmission delay threshold of the information to be transmitted, determine that the target transmission mode is the second transmission mode;

c) The transmission delay budget of the relay terminal corresponding to the first transmission mode and the transmission delay of the third side link are both greater than the transmission delay threshold of the information to be transmitted, and the When the transmission delay of the third side link is less than or equal to the transmission delay budget corresponding to the first transmission mode, determine that the target transmission mode is the second transmission mode;

d) The transmission delay budget of the relay terminal corresponding to the first transmission mode and the transmission delay of the third side link are both greater than the transmission delay threshold of the information to be transmitted, and the When the transmission delay of the third side link is greater than the transmission delay budget corresponding to the first transmission mode, determine that the target transmission mode is the first transmission mode;

e) When the relay terminal has a transmission delay budget corresponding to the first transmission mode and a transmission delay of the third side link greater than the transmission delay threshold of the information to be transmitted, determining that the target transmission mode is the third transmission mode;

Optionally, the relay terminal determining the target transmission mode based on the first information includes:

Based on the first information, the relay terminal determines that the target transmission mode is the second transmission mode when the target condition is satisfied; wherein the target condition includes at least one of the following:

1) The data volume of the information to be transmitted is less than the eighth preset threshold;

2) The wireless channel quality of the third side link is higher than or equal to the ninth preset threshold;

3) There is no transmission path corresponding to the first transmission mode between the first terminal and the second terminal.

Optionally, the implementation manner for the relay terminal to obtain the first information may include at least one of the following:

a) The relay terminal measures the wireless channel quality and/or transmission delay of the first side link;

b) the relay terminal receives the wireless channel quality and/or transmission delay of the first side link from the first terminal;

c) The relay terminal measures the wireless channel quality and/or transmission delay of the second side link;

d) The relay terminal receives the wireless channel quality and/or transmission delay of the second side link from the second terminal;

e) The relay terminal receives the wireless channel quality and/or transmission delay of the third side link from the first terminal or the second terminal;

f) The relay terminal receives from the first terminal or the second terminal the transmission delay threshold of the information to be transmitted between the first terminal and the second terminal;

g) The relay terminal receives from the first terminal or the second terminal a data amount of information to be transmitted between the first terminal and the second terminal.

The method for determining a transmission mode provided in the embodiment of the present application may be executed by an apparatus for determining a transmission mode. In the embodiment of the present application, the method for determining the transmission mode performed by the device for determining the transmission mode is taken as an example. The device for determining the transmission mode provided in the embodiment of the present application is described.

Fig. 4 is one of the schematic structural diagrams of the transmission mode determination device provided in the embodiment of the present application. As shown in Fig. 4, the transmission mode determination device 400 is applied to the first terminal and includes:

The first acquiring module 401 is configured to acquire first information; wherein, the first information is used to indicate a target transmission mode used for communication between the first terminal and the second terminal;

The first determining module 402 is configured to determine the target transmission mode based on the first information; wherein the target transmission mode includes at least one of the following:

In the device for determining the transmission mode provided in the embodiment of the present application, by acquiring the first information and determining the target transmission mode used for communication between the first terminal and the second terminal based on the first information, the first terminal and the second terminal The preferred transmission mode can be dynamically used to realize the communication between the two, better meet the quality of service requirements, and avoid the problem of low communication efficiency caused by always using a certain transmission mode between the first terminal and the second terminal, In this way, communication efficiency can be improved.

The device for determining the transmission mode in the embodiment of the present application may be a first terminal, and the first terminal may include but not limited to the types of the first terminal 11 listed above, and other devices may be servers, network attached storage (Network Attached Storage, NAS ), etc., which are not specifically limited in the embodiments of the present application.

The device for determining the transmission mode provided in the embodiment of the present application can realize each process realized by the method embodiment in FIG. 2 and achieve the same technical effect. To avoid repetition, details are not repeated here.

Optionally, the first information includes at least one of the following:

wireless channel quality and/or transmission delay of the first side link between the first terminal and the relay terminal;

wireless channel quality and/or transmission delay of the second side link between the second terminal and the relay terminal;

wireless channel quality and/or transmission delay of a third side link between the first terminal and the second terminal;

a transmission delay threshold of information to be transmitted between the first terminal and the second terminal;

A data amount of information to be transmitted between the first terminal and the second terminal.

Optionally, the first determination module 402 is specifically used for at least one of the following:

The first terminal determines that the target transmission mode is the first transmission mode when the wireless channel quality of the third side link is lower than a first preset threshold;

The first terminal determines that the target transmission mode is the second transmission mode when the wireless channel quality of the third side link is higher than or equal to a first preset threshold;

The first terminal determines that the wireless channel quality of the third side link is lower than a second preset threshold, and the wireless channel quality of the first side link is higher than a third preset threshold. The target transmission mode is the first transmission mode;

The wireless channel quality of the first terminal on the third side link is lower than a fourth preset threshold, and the wireless channel quality of the first side link and the wireless channel quality of the second side link are both If it is higher than the fifth preset threshold, determine that the target transmission mode is the first transmission mode;

The first terminal determines that the target transmission mode is the first mode of transmission;

The wireless channel quality of the third side link of the first terminal is higher than the sixth preset threshold, and the wireless channel quality of the first side link and the wireless channel quality of the second side link When at least one of the is lower than the seventh preset threshold, determine that the target transmission mode is the second transmission mode;

The first terminal determines the target transmission mode when at least one of the radio channel quality of the first side link and the radio channel quality of the second side link is lower than a seventh preset threshold is the second transmission mode.

The first terminal determines that the target transmission mode is the first transmission mode when the transmission delay budget corresponding to the first transmission mode is less than or equal to the transmission delay threshold of the information to be transmitted;

The transmission delay budget of the first terminal corresponding to the first transmission mode is greater than the transmission delay threshold of the information to be transmitted, and the transmission delay of the third side link is less than or equal to the transmission delay threshold of the information to be transmitted In the case of the information transmission delay threshold, determining that the target transmission mode is the second transmission mode;

Both the transmission delay budget of the first terminal corresponding to the first transmission mode and the transmission delay of the third side link are greater than the transmission delay threshold of the information to be transmitted, and the third When the transmission delay of the side link is less than or equal to the transmission delay budget corresponding to the first transmission mode, determine that the target transmission mode is the second transmission mode;

Both the transmission delay budget of the first terminal corresponding to the first transmission mode and the transmission delay of the third side link are greater than the transmission delay threshold of the information to be transmitted, and the third When the transmission delay of the side link is greater than the transmission delay budget corresponding to the first transmission mode, determine that the target transmission mode is the first transmission mode;

The first terminal determines that the transmission delay budget corresponding to the first transmission mode and the transmission delay of the third side link are greater than the transmission delay threshold of the information to be transmitted. The target transmission mode is the third transmission mode;

The data volume of the information to be transmitted is less than an eighth preset threshold;

The wireless channel quality of the third side link is higher than or equal to the ninth preset threshold;

There is no transmission corresponding to the first transmission mode between the first terminal and the second terminal transmission path.

Optionally, the first obtaining module 401 is specifically used for at least one of the following:

The first terminal measures the wireless channel quality and/or transmission delay of the first side link;

The first terminal receives the wireless channel quality and/or transmission delay of the first side link from the relay terminal;

The first terminal receives the wireless channel quality and/or transmission delay of the second side link from the relay terminal;

The first terminal receives the wireless channel quality and/or transmission delay of the second side link from the second terminal;

The first terminal measures the wireless channel quality and/or transmission delay of the third side link;

The first terminal receives the wireless channel quality and/or transmission delay of the third side link from the relay terminal;

The first terminal receives the wireless channel quality and/or transmission delay of the third side link from the second terminal;

The first terminal determines a transmission delay threshold of information to be transmitted between the first terminal and the second terminal according to communication requirements;

The first terminal determines the data amount of information to be transmitted between the first terminal and the second terminal according to a communication requirement.

The first terminal acquires the first information when communicating with the second terminal using the current transmission mode, or during the process of establishing a transmission path corresponding to the initial transmission mode.

Optionally, the device also includes:

An establishment module, configured to establish a transmission path corresponding to the target transmission mode;

A communication module, configured to use the target transmission mode to communicate with the second terminal based on the transmission path.

FIG. 5 is the second structural schematic diagram of the device for determining the transmission mode provided in the embodiment of the present application. As shown in FIG. 5, the device for determining the transmission mode 500 is applied to a relay terminal and includes:

The second acquiring module 501 is configured to acquire first information; wherein, the first information is used to indicate a target transmission mode used for communication between the first terminal and the second terminal;

The second determining module 502 is configured to determine the target transmission mode based on the first information; wherein the target transmission mode includes at least one of the following:

Optionally, the first information includes at least one of the following:

Optionally, the second determination module 502 is specifically used for at least one of the following:

The relay terminal determines that the target transmission mode is the first transmission mode when the wireless channel quality of the third side link is lower than a first preset threshold;

The relay terminal determines that the target transmission mode is the second transmission mode when the wireless channel quality of the third side link is higher than or equal to a first preset threshold;

The relay terminal determines that the wireless channel quality of the third side link is lower than a second preset threshold and the wireless channel quality of the first side link is higher than a third preset threshold. The target transmission mode is the first transmission mode;

The wireless channel quality of the relay terminal on the third side link is lower than a fourth preset threshold, and the wireless channel quality of the first side link and the wireless channel quality of the second side link are both If it is higher than the fifth preset threshold, determine that the target transmission mode is the first transmission mode;

The relay terminal determines that the target transmission mode is the first mode of transmission;

When the wireless channel quality of the third side link is higher than the sixth preset threshold, and the wireless channel quality of the first side link and the wireless channel quality of the second side link When at least one of the is lower than the seventh preset threshold, determine that the target transmission mode is the second transmission mode;

The relay terminal determines the target transmission mode when at least one of the radio channel quality of the first side link and the radio channel quality of the second side link is lower than a seventh preset threshold is the second transmission mode.

Optionally, the second determining module 502 is specifically used for at least one of the following:

The relay terminal determines that the target transmission mode is the first transmission mode when the transmission delay budget corresponding to the first transmission mode is less than or equal to the transmission delay threshold of the information to be transmitted;

The transmission delay budget of the relay terminal corresponding to the first transmission mode is greater than the transmission delay threshold of the information to be transmitted, and the transmission delay of the third side link is less than or equal to the transmission delay threshold of the information to be transmitted In the case of the information transmission delay threshold, determining that the target transmission mode is the second transmission mode;

In the transmission delay budget corresponding to the first transmission mode and the third transmission mode, the relay terminal The transmission delay of the side links is greater than the transmission delay threshold of the information to be transmitted, and the transmission delay of the third side link is less than or equal to the transmission delay budget corresponding to the first transmission mode Next, determine that the target transmission mode is the second transmission mode;

The transmission delay budget of the relay terminal corresponding to the first transmission mode and the transmission delay of the third side link are both greater than the transmission delay threshold of the information to be transmitted, and the third When the transmission delay of the side link is greater than the transmission delay budget corresponding to the first transmission mode, determine that the target transmission mode is the first transmission mode;

The relay terminal determines that the transmission delay budget corresponding to the first transmission mode and the transmission delay of the third side link are greater than the transmission delay threshold of the information to be transmitted. The target transmission mode is the third transmission mode;

There is no transmission path corresponding to the first transmission mode between the first terminal and the second terminal.

Optionally, the second obtaining module 501 is specifically used for at least one of the following:

The relay terminal measures the wireless channel quality and/or transmission delay of the first side link;

The relay terminal receives the wireless channel quality and/or transmission delay of the first side link from the first terminal;

The relay terminal measures the wireless channel quality and/or transmission delay of the second side link;

The relay terminal receives the wireless channel quality and/or transmission delay of the second side link from the second terminal;

The relay terminal receives the third side link from the first terminal or the second terminal wireless channel quality and/or transmission delay;

receiving, by the relay terminal, a transmission delay threshold of information to be transmitted between the first terminal and the second terminal from the first terminal or the second terminal;

The relay terminal receives a data amount of information to be transmitted between the first terminal and the second terminal from the first terminal or the second terminal.

Optionally, the device also includes:

a sending module, configured to send the target transmission mode to the first terminal and/or the second terminal; wherein, the target transmission mode is used to instruct the first terminal or the second terminal to establish a connection with the The transmission path corresponding to the above-mentioned target transmission mode.

Fig. 6 is a schematic structural diagram of a communication device provided by an embodiment of the present application. As shown in Fig. 6, the communication device 600 includes a processor 601 and a memory 602, and the memory 602 stores programs that can run on the processor 601 Or an instruction, for example, when the communication device 600 is the first terminal, when the program or instruction is executed by the processor 601, each step of the above embodiment of the method for determining the transmission mode at the first terminal side can be implemented, and the same technical effect can be achieved. When the communication device 600 is a relay terminal, when the program or instruction is executed by the processor 601, the steps of the above embodiment of the method for determining the transmission mode on the relay terminal side are implemented, and the same technical effect can be achieved. In order to avoid repetition, it is not repeated here Let me repeat.

The embodiment of the present application also provides a first terminal, including a processor and a communication interface, and the processor is used for:

The third transmission mode is used to indicate that the connection between the first terminal and the second terminal is via the network side devices to communicate. The first terminal embodiment corresponds to the above-mentioned first terminal-side method embodiment, and each implementation process and implementation mode of the above-mentioned method embodiment can be applied to the first terminal embodiment, and can achieve the same technical effect.

The embodiment of the present application also provides a relay terminal, including a processor and a communication interface; the processor is used to: acquire first information; wherein, the first information is used to instruct the communication between the first terminal and the second terminal The target transmission mode used; the target transmission mode is determined based on the first information; wherein the target transmission mode includes at least one of the following:

Fig. 7 is a schematic structural diagram of a terminal provided by an embodiment of the present application. As shown in Fig. 7, the terminal 700 includes but is not limited to: a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, and a display unit 706 , at least some components in the user input unit 707 , the interface unit 708 , the memory 709 , and the processor 710 .

The terminal 700 may be the first terminal, the second terminal and the structure of the relay terminal may refer to the structure of the terminal 700 .

Those skilled in the art can understand that the terminal 700 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 710 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. 7 does not constitute a limitation on the terminal, and 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 this embodiment of the present application, the input unit 704 may include a graphics processing unit (Graphics Processing Unit, GPU) 7041 and a microphone 7042, and the graphics processor 7041 is used in the video capture mode or the image capture mode by the image capture device ( Such as the static image obtained by the camera) The image data of pictures or videos is processed. The display unit 706 may include a display panel 7061, and the display panel 7061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 707 includes at least one of a touch panel 7071 and other input devices 7072 . The touch panel 7071 is also called a touch screen. The touch panel 7071 may include two parts, a touch detection device and a touch controller. Other input devices 7072 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 described in detail here.

In the embodiment of the present application, the radio frequency unit 701 may transmit the downlink data from the network side device to the processor 710 for processing after receiving the downlink data; in addition, the radio frequency unit 701 may send uplink data to the network side device. Generally, the radio frequency unit 701 includes, but is not limited to, an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.

The memory 709 can be used to store software programs or instructions as well as various data. The memory 709 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instructions required by at least one function (such as a sound playing function, image playback function, etc.), etc. Furthermore, memory 709 may include volatile memory or nonvolatile memory, or, memory 709 may include both volatile and nonvolatile memory. Among them, the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically programmable Erase Programmable Read-Only Memory (Electrically EPROM, EEPROM) or Flash. Volatile memory can be random access memory (Random Access Memory, RAM), static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous connection dynamic random access memory (Synch link DRAM , SLDRAM) and Direct Memory Bus Random Access Memory (Direct Rambus RAM, DRRAM). The memory 709 in the embodiment of the present application includes but is not limited to these and any other suitable types of memory.

The processor 710 may include one or more processing units; optionally, the processor 710 integrates application A processor and a modem processor, wherein the application processor mainly deals with operations related to the operating system, user interface, and application programs, and the modem processor mainly deals with wireless communication signals, such as a baseband processor. It can be understood that the foregoing modem processor may not be integrated into the processor 710 .

Wherein, the processor 710 is configured to obtain first information; where the first information is used to indicate the target transmission mode used for communication between the first terminal and the second terminal; determine based on the first information The target transmission method; wherein, the target transmission method includes at least one of the following:

The embodiment of the present application also provides a relay terminal, including a processor and a communication interface, and the processor is used for:

This embodiment of the relay terminal corresponds to the above embodiment of the method for the relay terminal, and the various implementation processes and implementation methods of the above method embodiments can be applied to the embodiment of the relay terminal, and can achieve the same technical effect.

An embodiment of the present application also provides a system for determining a transmission mode, including: a first terminal and a relay terminal, the first terminal can be used to perform the steps of the method for determining the transmission mode at the first terminal side as described above, wherein The relay terminal may be configured to execute the steps of the method for determining the transmission mode at the relay terminal side as described above.

The embodiment of the present application also provides a readable storage medium. The readable storage medium may be volatile or non-volatile. Programs or instructions are stored on the readable storage medium. The program Or, when the instruction is executed by the processor, each process of the above embodiment of the method for determining the transmission mode can be realized, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.

Wherein, the processor is the processor in the terminal described in the foregoing embodiments. The readable storage medium includes a computer-readable storage medium, such as a computer read-only memory ROM, a random access memory RAM, a magnetic disk or an optical disk, and the like.

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 embodiment of the method for determining the transmission mode 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 further provides a computer program/program product, the computer program/program product is stored in a non-transitory storage medium, and the computer program/program product is executed by at least one processor to implement the above-mentioned transmission method Each process of the method embodiment is determined, and can achieve the same technical effect, so in order to avoid repetition, details are not 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 this application The scope of the methods and apparatus in the embodiments 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 depending on the functions involved. The methods described are performed in the order described, and various steps may 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 such an understanding, the technical solution of the present application can be embodied in the form of computer software products, which are stored in a storage medium (such as ROM/RAM, magnetic disk, etc.) , CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the 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 method for determining a transmission mode, comprising:

The first terminal acquires first information; where the first information is used to indicate a target transmission mode used for communication between the first terminal and the second terminal;

The first terminal determines the target transmission mode based on the first information; wherein the target transmission mode includes at least one of the following:

The first transmission mode is used to instruct the first terminal to communicate with the second terminal through a relay terminal;

The second transmission mode is used to instruct the communication between the first terminal and the second terminal via a one-hop side link;

The third transmission manner is used to instruct the communication between the first terminal and the second terminal to be performed through a network side device.
The method for determining a transmission mode according to claim 1, wherein the first information includes at least one of the following:

wireless channel quality and/or transmission delay of the first side link between the first terminal and the relay terminal;

wireless channel quality and/or transmission delay of the second side link between the second terminal and the relay terminal;

wireless channel quality and/or transmission delay of a third side link between the first terminal and the second terminal;

a transmission delay threshold of information to be transmitted between the first terminal and the second terminal;

A data amount of information to be transmitted between the first terminal and the second terminal.
The method for determining a transmission mode according to claim 2, wherein the first terminal determines the target transmission mode based on the first information, comprising at least one of the following:

The first terminal determines that the target transmission mode is the first transmission mode when the wireless channel quality of the third side link is lower than a first preset threshold;

The first terminal determines that the target transmission mode is the second transmission mode when the wireless channel quality of the third side link is higher than or equal to a first preset threshold;

The first terminal determines that the wireless channel quality of the third side link is lower than a second preset threshold, and the wireless channel quality of the first side link is higher than a third preset threshold. The target transmission mode is the first transmission mode;

The wireless channel quality of the first terminal on the third side link is lower than a fourth preset threshold, and the wireless channel quality of the first side link and the wireless channel quality of the second side link are both If it is higher than the fifth preset threshold, determine that the target transmission mode is the first transmission mode;

The first terminal determines that the target transmission mode is the first mode of transmission;

The wireless channel quality of the third side link of the first terminal is higher than the sixth preset threshold, and the wireless channel quality of the first side link and the wireless channel quality of the second side link When at least one of the is lower than the seventh preset threshold, determine that the target transmission mode is the second transmission mode;

The first terminal determines the target transmission mode when at least one of the radio channel quality of the first side link and the radio channel quality of the second side link is lower than a seventh preset threshold is the second transmission mode.
The method for determining a transmission mode according to claim 2, wherein the first terminal determines the target transmission mode based on the first information, comprising at least one of the following:

The first terminal determines that the target transmission mode is the first transmission mode when the transmission delay budget corresponding to the first transmission mode is less than or equal to the transmission delay threshold of the information to be transmitted;

The transmission delay budget of the first terminal corresponding to the first transmission mode is greater than the transmission delay threshold of the information to be transmitted, and the transmission delay of the third side link is less than or equal to the transmission delay threshold of the information to be transmitted In the case of the information transmission delay threshold, determining that the target transmission mode is the second transmission mode;

Both the transmission delay budget of the first terminal corresponding to the first transmission mode and the transmission delay of the third side link are greater than the transmission delay threshold of the information to be transmitted, and the third When the transmission delay of the side link is less than or equal to the transmission delay budget corresponding to the first transmission mode, determine that the target transmission mode is the second transmission mode;

Both the transmission delay budget of the first terminal corresponding to the first transmission mode and the transmission delay of the third side link are greater than the transmission delay threshold of the information to be transmitted, and the third When the transmission delay of the side link is greater than the transmission delay budget corresponding to the first transmission mode, determine that the target transmission mode is the first transmission mode;

The first terminal determines that the transmission delay budget corresponding to the first transmission mode and the transmission delay of the third side link are greater than the transmission delay threshold of the information to be transmitted. The target transmission mode is the third transmission mode;

Wherein, the transmission delay budget is obtained according to a sum of transmission delays of all side links included in the transmission path corresponding to the first transmission mode.
The method for determining the transmission mode according to claim 2, wherein the first terminal determines the target transmission mode based on the first information, comprising:

Based on the first information, the first terminal determines that the target transmission mode is the second transmission mode when the target condition is satisfied; wherein the target condition includes at least one of the following:

The data volume of the information to be transmitted is less than an eighth preset threshold;

The wireless channel quality of the third side link is higher than or equal to the ninth preset threshold;

There is no transmission path corresponding to the first transmission mode between the first terminal and the second terminal.
The method for determining a transmission mode according to any one of claims 2 to 5, wherein said first terminal acquires first information, including at least one of the following:

The first terminal measures the wireless channel quality and/or transmission delay of the first side link;

The first terminal receives the wireless channel quality and/or transmission delay of the first side link from the relay terminal;

The first terminal receives the wireless channel quality of the second side link from the relay terminal and/or transmission delays;

The first terminal receives the wireless channel quality and/or transmission delay of the second side link from the second terminal;

The first terminal measures the wireless channel quality and/or transmission delay of the third side link;

The first terminal receives the wireless channel quality and/or transmission delay of the third side link from the relay terminal;

The first terminal receives the wireless channel quality and/or transmission delay of the third side link from the second terminal;

The first terminal determines a transmission delay threshold of information to be transmitted between the first terminal and the second terminal according to communication requirements;

The first terminal determines the data amount of information to be transmitted between the first terminal and the second terminal according to a communication requirement.
The method for determining a transmission mode according to any one of claims 1 to 6, wherein said first terminal acquiring first information includes:

The first terminal acquires the first information when communicating with the second terminal using the current transmission mode, or during the process of establishing a transmission path corresponding to the initial transmission mode.
The transmission mode determination method according to any one of claims 1 to 7, wherein the method further comprises:

The first terminal establishes a transmission path corresponding to the target transmission mode;

The first terminal communicates with the second terminal using the target transmission mode based on the transmission path.
A method for determining a transmission mode, comprising:

The relay terminal acquires first information; where the first information is used to indicate a target transmission mode used for communication between the first terminal and the second terminal;

The relay terminal determines the target transmission mode based on the first information; wherein the target transmission mode includes at least one of the following:

The first transmission mode is used to indicate that the first terminal and the second terminal pass through the communicate with the terminal;

The second transmission mode is used to instruct the communication between the first terminal and the second terminal via a one-hop side link;

The third transmission manner is used to instruct the communication between the first terminal and the second terminal to be performed through a network side device.
The method for determining a transmission mode according to claim 9, wherein the first information includes at least one of the following:

wireless channel quality and/or transmission delay of the first side link between the first terminal and the relay terminal;

wireless channel quality and/or transmission delay of the second side link between the second terminal and the relay terminal;

wireless channel quality and/or transmission delay of a third side link between the first terminal and the second terminal;

a transmission delay threshold of information to be transmitted between the first terminal and the second terminal;

A data amount of information to be transmitted between the first terminal and the second terminal.
The method for determining the transmission mode according to claim 10, wherein the relay terminal determines the target transmission mode based on the first information, including at least one of the following:

The relay terminal determines that the target transmission mode is the first transmission mode when the wireless channel quality of the third side link is lower than a first preset threshold;

The relay terminal determines that the target transmission mode is the second transmission mode when the wireless channel quality of the third side link is higher than or equal to a first preset threshold;

The relay terminal determines that the wireless channel quality of the third side link is lower than a second preset threshold, and the wireless channel quality of the first side link is higher than a third preset threshold. The target transmission mode is the first transmission mode;

The wireless channel quality of the relay terminal on the third side link is lower than a fourth preset threshold, and the wireless channel quality of the first side link and the wireless channel quality of the second side link are both If it is higher than the fifth preset threshold, determine that the target transmission mode is the first transmission mode;

The relay terminal determines that the target transmission mode is the first mode of transmission;

When the quality of the wireless channel of the third side link is higher than the sixth preset threshold, and the quality of the wireless channel of the first side link and the quality of the wireless channel of the second side link of the relay terminal When at least one of the is lower than the seventh preset threshold, determine that the target transmission mode is the second transmission mode;

The relay terminal determines the target transmission mode when at least one of the radio channel quality of the first side link and the radio channel quality of the second side link is lower than a seventh preset threshold is the second transmission mode.
The method for determining the transmission mode according to claim 10, wherein the relay terminal determines the target transmission mode based on the first information, including at least one of the following:

The relay terminal determines that the target transmission mode is the first transmission mode when the transmission delay budget corresponding to the first transmission mode is less than or equal to the transmission delay threshold of the information to be transmitted;

The transmission delay budget of the relay terminal corresponding to the first transmission mode is greater than the transmission delay threshold of the information to be transmitted, and the transmission delay of the third side link is less than or equal to the transmission delay threshold of the information to be transmitted In the case of the information transmission delay threshold, determining that the target transmission mode is the second transmission mode;

The transmission delay budget of the relay terminal corresponding to the first transmission mode and the transmission delay of the third side link are both greater than the transmission delay threshold of the information to be transmitted, and the third When the transmission delay of the side link is less than or equal to the transmission delay budget corresponding to the first transmission mode, determine that the target transmission mode is the second transmission mode;

The transmission delay budget of the relay terminal corresponding to the first transmission mode and the transmission delay of the third side link are both greater than the transmission delay threshold of the information to be transmitted, and the third When the transmission delay of the side link is greater than the transmission delay budget corresponding to the first transmission mode, determine that the target transmission mode is the first transmission mode;

The relay terminal determines that the transmission delay budget corresponding to the first transmission mode and the transmission delay of the third side link are greater than the transmission delay threshold of the information to be transmitted. The target transmission mode is the third transmission mode;

Wherein, the transmission delay budget is obtained according to a sum of transmission delays of all side links included in the transmission path corresponding to the first transmission mode.
The method for determining the transmission mode according to claim 10, wherein the relay terminal determines the target transmission mode based on the first information, comprising:

Based on the first information, the relay terminal determines that the target transmission mode is the second transmission mode when the target condition is satisfied; wherein the target condition includes at least one of the following:

The data volume of the information to be transmitted is less than an eighth preset threshold;

The wireless channel quality of the third side link is higher than or equal to the ninth preset threshold;

There is no transmission path corresponding to the first transmission mode between the first terminal and the second terminal.
The method for determining a transmission mode according to any one of claims 10 to 13, wherein the first information acquired by the relay terminal includes at least one of the following:

The relay terminal measures the wireless channel quality and/or transmission delay of the first side link;

The relay terminal receives the wireless channel quality and/or transmission delay of the first side link from the first terminal;

The relay terminal measures the wireless channel quality and/or transmission delay of the second side link;

The relay terminal receives the wireless channel quality and/or transmission delay of the second side link from the second terminal;

The relay terminal receives the wireless channel quality and/or transmission delay of the third side link from the first terminal or the second terminal;

receiving, by the relay terminal, a transmission delay threshold of information to be transmitted between the first terminal and the second terminal from the first terminal or the second terminal;

The relay terminal receives a data amount of information to be transmitted between the first terminal and the second terminal from the first terminal or the second terminal.
The transmission mode determination method according to any one of claims 9 to 14, wherein the method further comprises:

The relay terminal sends the target transmission mode to the first terminal and/or the second terminal; wherein the target transmission mode is used to instruct the first terminal or the second terminal to establish a connection with the The transmission path corresponding to the above-mentioned target transmission mode.
A device for determining a transmission mode, comprising:

A first acquiring module, configured to acquire first information; wherein, the first information is used to indicate a target transmission mode used for communication between the first terminal and the second terminal;

A first determining module, configured to determine the target transmission mode based on the first information; wherein the target transmission mode includes at least one of the following:

The first transmission mode is used to instruct the first terminal to communicate with the second terminal through a relay terminal;

The second transmission mode is used to instruct the first terminal to communicate with the second terminal through a one-hop side link;

The third transmission mode is used to instruct the communication between the first terminal and the second terminal via a network side device.
A device for determining a transmission mode, comprising:

The second acquiring module is configured to acquire the first information; wherein the first information is used to indicate the target transmission mode used for communication between the first terminal and the second terminal;

A second determining module, configured to determine the target transmission mode based on the first information; wherein the target transmission mode includes at least one of the following:

The first transmission mode is used to instruct the first terminal to communicate with the second terminal through a relay terminal;

The second transmission mode is used to instruct the communication between the first terminal and the second terminal via a one-hop side link;

The third transmission manner is used to instruct the communication between the first terminal and the second terminal to be performed through a network side device.
A first terminal, comprising a processor and a memory, the memory stores programs or instructions that can run on the processor, and when the programs or instructions are executed by the processor, any one of claims 1 to 8 is implemented. The steps of the method for determining the transmission method described in the item.
A relay terminal, comprising a processor and a memory, the memory stores programs or instructions that can run on the processor, and when the programs or instructions are executed by the processor, any one of claims 9 to 15 is implemented. The steps of the method for determining the transmission method described in the item.
A readable storage medium, on which a program or instruction is stored, and when the program or instruction is executed by a processor, the method for determining the transmission method according to any one of claims 1-8 is realized, or the method as described in The steps of the method for determining the transmission method according to any one of claims 9 to 15.