WO2020078232A1

WO2020078232A1 - Resource scheduling method and terminal for direct communication link and network side device

Info

Publication number: WO2020078232A1
Application number: PCT/CN2019/110071
Authority: WO
Inventors: 赵亚利
Original assignee: 电信科学技术研究院有限公司
Priority date: 2018-10-17
Filing date: 2019-10-09
Publication date: 2020-04-23
Also published as: CN111065166B; CN111065166A

Abstract

Provided by the present disclosure are a resource scheduling method and terminal for a direct communication link and a network side device. The method comprises: acquiring a data transmission mode which is indicated by a network side device and which corresponds to resources used for a direct communication link which are allocated to a terminal, wherein the data transmission mode is unicast, multicast or broadcast, or the data transmission mode is unicast or multicast, the multicast comprising multicast and broadcast.

Description

Direct communication link resource scheduling method, terminal and network side equipment

Cross-reference of related applications

This application claims the priority of Chinese Patent Application No. 201811210677.2 filed in China on October 17, 2018, the entire contents of which are hereby incorporated by reference.

Technical field

The present disclosure relates to the field of vehicle networking technology, and in particular, to a resource scheduling method for a direct communication link, a terminal, and a network-side device.

Background technique

In vehicle-to-X (Vehicle to X, V2X) technology, V represents a vehicle, and X represents a variety of entities, including, for example: vehicle-to-vehicle (V2V), vehicle-to-pedestrian (Vehicle-to-Pedestrian, V2P), vehicle-to-infrastructure (V2I) and vehicle-to-network (V2N), etc.

The Long-Term Evolution (LTE) vehicle-to-X (V2X) technology in related technologies mainly supports basic road safety services, and the communication method used is broadcast communication. However, with the further development of IoV technology, some new application scenarios will emerge, such as remote control and fleet. Some of these application scenarios require unicast communication between terminals, and for unicast communication with a direct communication interface, it is currently considered necessary to support Hybrid Automatic Repeat Request (HARQ) feedback.

In order to support HARQ feedback for unicast data, it is best to be able to separate the resources used for unicast and multicast / broadcasting during resource scheduling.

Summary of the invention

The purpose of the present disclosure is to provide a resource scheduling method for a direct communication link, a terminal, and a network-side device, which can separate unicast and multicast / broadcast resources of the direct communication link to ensure the smooth progress of HARQ feedback.

An embodiment of the present disclosure provides a resource scheduling method for a direct communication link, which is applied to a terminal. The method includes:

Obtain the data transmission mode corresponding to the resource allocated to the terminal for direct communication link indicated by the network side device;

The data transmission method is unicast, multicast or broadcast; or the data transmission method is unicast or multicast, where multicast includes multicast and broadcast.

Optionally, the resource scheduling method of the direct communication link, wherein the data transmission mode corresponding to the resource allocated to the terminal indicated by the network side device and corresponding to the terminal includes:

Obtain the data transmission mode corresponding to the resources allocated by the direct communication link indicated by the network side device when allocating resources for the direct communication link of the terminal;

Wherein, the terminal is a direct communication link sender or a direct communication link receiver.

Optionally, the resource scheduling method of the direct communication link, wherein the acquiring network side device corresponds to the resource indicated by the direct communication link when allocating resources for the direct communication link of the terminal Data transmission methods include:

When the network side device is dynamically scheduled to allocate resources for the direct communication link of the terminal, the data transmission mode corresponding to the resources allocated for the direct communication link is indicated through resource scheduling signaling.

Optionally, in the resource scheduling method of the direct communication link, the data transmission mode corresponding to the resource allocated to the direct communication link indicated by the resource scheduling signaling includes:

Indicating the data transmission mode corresponding to the resource allocated to the direct communication link through the direct communication link-wireless network temporary identifier SL-RNTI corresponding to the resource scheduling signaling; wherein, the data transmission mode indicated by different SL-RNTI different.

Optionally, the resource scheduling method of the direct communication link, wherein the method further includes:

Obtain the direct communication target terminal applied to the resource allocated for the direct communication link through the SL-RNTI in the resource scheduling signaling instruction of the network side device; where the direct communication target terminal indicated by different SL-RNTI applications is different.

Acquire at least two SL-RNTIs pre-configured by the network side device for the terminal.

The type indication information carried in the resource scheduling signaling indicates the data transmission mode corresponding to the resource allocated to the direct communication link; the different content of the type indication information carried therein is used to indicate different data transmission modes.

When the network-side device is dynamically scheduled, the type indication information carried in the physical downlink shared channel PDSCH scheduled by the SL-RNTI indicates the data transmission mode corresponding to the resource allocated for the direct communication link; the type indication information carried therein The different contents are used to indicate different data transmission methods.

Obtain the data transmission method corresponding to the direct communication link resource allocation when the network side device allocates resources for the direct communication link of the terminal; wherein, different time / frequency resources need to be pre-configured Corresponding to the data transmission mode, the terminal is a direct communication link sender or a direct communication link receiver.

Obtain the communication target indication information carried by the network side device through the resource scheduling signaling, indicating the direct communication target end to which the resources allocated for the direct communication link apply; wherein, the direct communication target end of the application indicated by the different communication target indication information different.

Obtain the communication target indication information carried in the PDSCH indicated by the network side device through resource scheduling signaling, indicating the direct communication target end to which the resource allocated for the direct communication link is applied; wherein, the direct communication application indicated by the different communication target indication information The communication target is different.

Acquire the type indication information in the semi-persistent scheduling configuration signaling carried by the network side device during semi-persistent scheduling to indicate the data transmission mode corresponding to the semi-persistent scheduling configuration resource.

Acquire the type indication information in the activation signaling of the physical downlink control channel PDCCH corresponding to the semi-persistent scheduling of the network-side device during semi-persistent scheduling, indicating the data transmission mode corresponding to the configuration resources of the semi-persistent scheduling.

Obtain the specific resource allocated in the semi-persistent scheduling configuration PDCCH activation signaling of the network-side device during semi-persistent scheduling to indicate the data transmission mode corresponding to the semi-persistent scheduling configuration resource; where different time / Correspondence between frequency resources and data transmission methods.

Obtain the communication target indication information carried in the configuration signaling of the semi-persistent scheduling by the network side device, and indicate the direct communication target end to which the semi-persistent scheduling configuration resource is applied.

Acquire the communication target indication information carried in the PDCCH activation signaling corresponding to the semi-persistent scheduling by the network side device, and indicate the direct communication target end to which the configuration resources of the semi-persistent scheduling are applied.

Obtain the communication target indication information carried by the PDSCH indicated by the network side device through the PDCCH activation signaling corresponding to the semi-persistent scheduling, and indicate the direct communication target end to which the configuration resources of the semi-persistent scheduling are applied.

Acquiring, when configuring a resource pool for data transmission for the terminal, the network-side device indicates the data transmission mode corresponding to the configured resource pool;

The terminal is a direct communication link sender or a direct communication link receiver.

An embodiment of the present disclosure also provides a resource scheduling method for a direct communication link, which is applied to a network-side device, where the method includes:

Indicates the data transmission mode corresponding to the resource allocated to the terminal for the direct communication link, wherein the data transmission mode is unicast, multicast or broadcast; or the data transmission mode is unicast or multicast, in which multicast Including multicast and broadcast.

Optionally, in the resource scheduling method of the direct communication link, the data transmission mode corresponding to the resource allocated for the direct communication link by the terminal includes:

When allocating direct communication link resources for the direct communication link of the terminal, indicate the data transmission method corresponding to allocating resources for the direct communication link;

Optionally, in the resource scheduling method of the direct communication link, wherein the data transmission method corresponding to the allocation of resources for the direct communication link includes:

In dynamic scheduling, the data scheduling mode corresponding to allocating resources for the direct communication link is indicated through resource scheduling signaling.

Optionally, the resource scheduling method of the direct communication link, wherein the data transmission mode corresponding to the allocation of resources for the direct communication link through the resource scheduling signaling includes:

The direct communication target end to which the resource allocated for the direct communication link is applied is indicated by the SL-RNTI in the resource scheduling signaling instruction; wherein, the direct communication target end to which the application indicated by different SL-RNTIs are different.

At least two SL-RNTIs are pre-configured for the terminal.

The type indication information carried in the resource scheduling signaling indicates a data transmission mode corresponding to allocating resources for the direct communication link; different contents of the type indication information carried therein are used to indicate different data transmission modes.

Optionally, in the resource scheduling method of the direct communication link, wherein the data transmission method corresponding to the resource allocation for the direct communication link includes:

During dynamic scheduling, the type indication information carried in the physical downlink shared channel PDSCH scheduled by SL-RNTI indicates the data transmission method corresponding to the allocation of resources for the direct communication link; the different content of the type indication information carried therein is used to To indicate different data transmission methods.

When allocating resources for the direct communication link of the terminal, the specific resource allocation is used to indicate the data transmission mode corresponding to allocating resources for the direct communication link; among them, it is necessary to pre-configure the correspondence between different time / frequency resources and data transmission modes relationship;

The direct communication target terminal to which the resource allocated for the direct communication link is applied is indicated by the communication target indication information carried in the resource scheduling signaling; wherein, the direct communication target terminal of the application indicated by different communication target indication information is different.

The communication target indication information carried in the PDSCH indicated by the resource scheduling signaling indicates the direct communication target end to which the resource allocated for the direct communication link is applied; wherein, the direct communication target ends indicated by different communication target indication information are different .

In semi-persistent scheduling, the type signaling information is carried in the semi-persistent scheduling configuration signaling to indicate the data transmission mode corresponding to the semi-persistent scheduling configuration resource.

In semi-persistent scheduling, the activation signaling of the physical downlink control channel PDCCH corresponding to the semi-persistent scheduling carries type indication information to indicate the data transmission mode corresponding to the configuration resources of the semi-persistent scheduling.

In semi-persistent, the specific resource allocated in the semi-persistently scheduled configuration PDCCH activation signaling indicates the data transmission mode corresponding to the semi-persistently scheduled configuration resource; different time / frequency resources and data transmission need to be pre-configured Correspondence of ways.

The direct communication target end to which the configuration resources of the semi-persistent scheduling are applied is indicated by the communication target indication information carried in the configuration signaling of the semi-persistent scheduling.

The direct communication target end to which the configuration resources of the semi-persistent scheduling are applied is indicated by the communication target indication information carried in the PDCCH activation signaling corresponding to the semi-persistent scheduling.

The communication target indication information carried in the PDSCH indicated by the PDCCH activation signaling corresponding to the semi-persistent scheduling indicates the direct communication target end to which the configuration resources of the semi-persistent scheduling are applied.

When configuring a resource pool for data transmission for the terminal, indicating the data transmission mode applied by the configured resource pool;

An embodiment of the present disclosure also provides a terminal, including: a memory, a processor, and a program stored on the memory and executable on the processor; wherein, when the processor executes the program, the following steps are implemented:

Optionally, in the terminal, wherein the processor acquires the data transmission mode corresponding to the resource allocated to the terminal for direct communication link indicated by the network-side device includes:

Optionally, the terminal, wherein the processor acquires the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:

Optionally, the terminal, wherein the processor indicates, through resource scheduling signaling, that the data transmission mode corresponding to the resource allocated to the direct communication link includes:

Optionally, in the terminal, the processor is further used to:

Optionally, in the terminal, the processor is used to:

Optionally, in the terminal, wherein the processor acquires the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:

Optionally, in the terminal, the processor is further used to:

An embodiment of the present disclosure also provides a network-side device, including: a memory, a processor, and a program stored on the memory and executable on the processor; wherein, when the processor executes the program, the following is realized step:

Optionally, in the network-side device, the data transmission mode corresponding to the resource allocated for the terminal for the direct communication link by the processor includes:

Optionally, in the network side device, wherein the processor indicates that the data transmission mode corresponding to allocating resources for the direct communication link includes:

Optionally, the network side device, wherein the processor indicates, through resource scheduling signaling, that the data transmission mode corresponding to allocating resources for the direct communication link includes:

Optionally, in the network-side device, the processor is further used to:

At least two SL-RNTIs are pre-configured for the terminal.

Optionally, the network-side device, wherein the data transmission mode corresponding to the processor instructing to allocate resources for the direct communication link includes:

Optionally, in the network-side device, the processor is further used to:

An embodiment of the present disclosure also provides a resource scheduling device for a direct communication link, which is applied to a terminal. The device includes:

An obtaining module, used to obtain the data transmission mode corresponding to the resource allocated for the terminal for direct communication link indicated by the network side device;

An embodiment of the present disclosure also provides a resource scheduling device for a direct communication link, which is applied to a network-side device, where the device includes:

An instruction module, used to indicate the data transmission mode corresponding to the resource allocated to the terminal for the direct communication link, wherein the data transmission mode is unicast, multicast or broadcast; or the data transmission mode is unicast or multiple Multicast, including multicast and broadcast.

An embodiment of the present disclosure also provides a computer-readable storage medium, wherein the computer-readable storage medium stores a program, and when the program is executed by a processor, a direct communication link as described in any one of the above is implemented The steps of the resource scheduling method.

The above technical solutions of the present disclosure have at least the following beneficial effects:

The resource scheduling method of the direct communication link described in the embodiment of the present disclosure allows the terminal to acquire the data transmission method of the resource used for the direct communication link by indicating to the terminal the data transmission method of the resource allocated for the direct communication link, Data transmission can be performed according to the indicated data transmission method, and HARQ feedback can be performed when the indicated data transmission method is unicast to ensure the smooth progress of HARQ feedback.

BRIEF DESCRIPTION

FIG. 1 shows a schematic diagram of a system architecture using a direct communication link resource scheduling method according to an embodiment of the present disclosure;

2 is a schematic flowchart of a first implementation manner of a resource scheduling method for a direct communication link according to the first embodiment of the present disclosure;

3 is a schematic flowchart of a second implementation manner of a resource scheduling method for a direct communication link according to the first embodiment of the present disclosure;

4 is a schematic flowchart of a third implementation manner of a resource scheduling method for a direct communication link according to the first embodiment of the present disclosure;

5 is a schematic flowchart of a first implementation manner of a resource scheduling method for a direct communication link according to a second embodiment of the present disclosure;

6 is a schematic flowchart of a second implementation manner of a resource scheduling method for a direct communication link according to a second embodiment of the present disclosure;

7 is a schematic flowchart of a third implementation manner of a resource scheduling method for a direct communication link according to a second embodiment of the present disclosure;

8 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure;

9 shows a schematic structural diagram of a network-side device according to an embodiment of the present disclosure;

10 shows one of the structural schematic diagrams of the resource scheduling apparatus of the direct communication link according to the embodiment of the present disclosure;

FIG. 11 is a second schematic structural diagram of a resource scheduling apparatus for a direct communication link according to an embodiment of the present disclosure.

detailed description

To make the technical problems, technical solutions, and advantages to be solved by the present disclosure clearer, the following will describe in detail with reference to the accompanying drawings and specific embodiments.

The resource scheduling method of a direct communication link provided by an embodiment of the present disclosure can be applied to the field of Internet of Vehicles. FIG. 1 is a schematic diagram of a system architecture using the resource scheduling method of the direct communication link. The system includes multiple Terminal UE10, where the terminal can be a vehicle-mounted terminal, set up devices such as Global Positioning System (GPS), Radio Frequency Identification (RFID), sensor and camera image processing, etc. The vehicle-mounted terminal can complete its own environment and status Information collection, and through wireless transmission technology, the terminal can transmit its own information to the base station 20 or another terminal 10.

Among them, terminals that are close to each other can directly communicate with each other. Usually, a link for direct communication between terminals is called a direct communication link or a bypass sidelink, and is also called a direct communication interface.

In order to support HARQ feedback of unicast data, the resource scheduling method of the direct communication link according to the embodiments of the present disclosure separates the unicast and multicast / broadcast resources of the direct communication link to ensure the smooth progress of HARQ feedback .

FIG. 2 is a schematic flowchart of a resource scheduling method for a direct communication link according to the first embodiment of the present disclosure, which is applied to a terminal. The method includes:

S210: Obtain the data transmission mode corresponding to the resource allocated to the terminal for direct communication link indicated by the network side device;

It should be noted that, in the resource scheduling method of the direct communication link according to the embodiment of the present disclosure, the data transmission method on the direct communication link can be divided into three categories: unicast, multicast, and broadcast. , The data transmission mode acquired by the terminal is unicast, multicast or broadcast; optionally, the data transmission mode on the direct communication link can also be divided into two categories, unicast and multicast, where multicast includes multicast And broadcast, when this division method is adopted, the data transmission method acquired by the terminal is unicast or multicast.

Further, in the first implementation manner of the resource scheduling method of the direct communication link according to the first embodiment of the present disclosure, as shown in FIG. 3, in step S210, the network-side device indicates that the terminal is allocated for the direct communication link. The data transmission methods corresponding to the resources of the road include:

S211. Acquire a data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal;

Based on the above method, for the resource allocation mode of network scheduling, when the network-side device allocates resources for the terminal's direct communication link, it also indicates to the terminal the data transmission method corresponding to the direct communication link for allocating resources, that is, When the direct communication link allocates resources, it indicates whether the unicast service or multicast / broadcast service targeted by the resource.

Specifically, the first embodiment of step S211 includes:

When the network side device is dynamically scheduled to allocate resources for the direct communication link of the terminal, the data transmission mode corresponding to allocating resources for the direct communication link is indicated through resource scheduling signaling.

Based on the above method, through dynamic scheduling, when the network side device allocates resources for the direct communication link, it indicates the data transmission mode of the allocated resources through resource scheduling signaling, that is, whether it is for a unicast service or a multicast / broadcast service.

The above methods can be implemented in the following two ways:

1) Direct communication link-radio network temporary identity (Sidelink, Radio Network Identity, SL-RNTI) corresponding to the resource scheduling signaling indicates the data transmission method corresponding to the allocation of resources for the direct communication link; wherein, different The data transmission method indicated by SL-RNTI is different.

Optionally, when the SL-RNTI corresponding to the resource scheduling signaling indicates the data transmission mode corresponding to allocating resources for the direct communication link, the method may further include:

That is, in the above manner, when the terminal communicates with multiple direct communication target terminals at the same time, on the basis of the data transmission mode corresponding to allocating resources for the direct communication link through the SL-RNTI corresponding to the resource scheduling signaling , The direct communication target end corresponding to the resource can also be indicated through SL-RNTI, so that the allocated resource can be used for communication with the corresponding direct communication target end.

Based on the above, optionally, the method further includes:

In the above manner, the network-side device needs to configure at least two SL-RNTIs for the same terminal, and the configuration needs to indicate to the terminal the data transmission method corresponding to each SL-RNTI, and / or to indicate each SL-RNTI Corresponding direct communication target.

In the above manner, when the terminal communicates with multiple direct communication target ends at the same time, in order to further identify the correspondence between resources and the direct communication target end, the resource scheduling signaling for the direct communication link also carries communication target indication information, It is used to indicate the direct communication target end corresponding to the allocated resources.

It can be understood that, when the terminal is the receiver of the direct communication link, the terminal can also obtain the data transmission method corresponding to the resource indicated by the network-side device for the direct communication link in the above manner, and perform data transmission accordingly , Will not be described in detail here.

2) The type indication information carried in the resource scheduling signaling indicates the data transmission mode corresponding to allocating resources for the direct communication link; the different content of the type indication information carried therein is used to indicate different data transmission modes.

Further, if the terminal communicates with multiple direct communication target terminals at the same time, in order to further identify the correspondence between the resources and the direct communication target terminal, the network side device may also carry the communication target indication information in the sent resource scheduling signaling .

In addition, the second embodiment of step S211 includes:

When the network-side device is dynamically scheduled, the type indication information carried in the Physical Downlink Shared Channel (PDSCH) scheduled by SL-RNTI indicates the data transmission method corresponding to the resource allocated for the direct communication link; The different content of the type indication information carried therein is used to indicate different data transmission methods.

Further, if the terminal communicates with multiple direct communication target terminals at the same time, in order to further identify the correspondence between the resources and the direct communication target terminal, the network side device may also carry the communication target indication information in the sent resource scheduling signaling Or, the communication target indication information carried in the PDSCH indicated by the resource scheduling signaling may indicate the direct communication target end to which the resources allocated for the direct communication link apply; wherein, the direct communication application indicated by the different communication target indication information The communication target is different.

In the embodiment of the present disclosure, the third implementation manner of step S211 includes:

Specifically, by separating the time / frequency resources that can be used by Sidelink unicast and multicast / broadcast, when the network side allocates resources for the direct communication link, the allocated specific resources indicate whether the scheduling signaling is for Sidelink unicast or Multicast / broadcast service.

Based on the above method, optionally, if the terminal communicates with multiple direct communication target ends at the same time, in order to further identify the correspondence between the resource and the direct communication target end, the network side device uses the communication target indication carried in the resource scheduling signaling Information, indicating the direct communication target end to which the resources allocated for the direct communication link apply; or, the communication target indication information carried in the PDSCH indicated by the network side device through resource scheduling signaling, indicating the resources allocated for the direct communication link The direct communication target of the application.

Therefore, optionally, the method further includes:

Alternatively, the method further includes:

In the embodiment of the present disclosure, the fourth implementation manner of step S211 includes:

In the above manner, for semi-persistent scheduling, when the network side device allocates resources for the direct communication link, it can indicate the data transmission mode corresponding to the resource through the type indication information carried in the configuration signaling, that is, whether the resource corresponds to unicast service or multicast / Broadcasting business.

Further, if the terminal communicates with multiple direct communication target terminals at the same time, in order to further identify the correspondence between the resources and the direct communication target terminal, the network-side device sends the semi-persistent scheduling configuration signaling for each half The continuous scheduling configuration may also carry communication target indication information.

Therefore, optionally, the method further includes:

In the embodiment of the present disclosure, the fifth implementation manner of the foregoing step S211 includes:

In the above manner, for semi-persistent scheduling, when the network-side device allocates resources for the direct communication link, the physical downlink control channel PDCCH activation signaling can be used to indicate the data transmission mode corresponding to the resource, that is, whether the resource corresponds to unicast service or multicast / Broadcasting service.

Further, if the terminal communicates with multiple direct communication target terminals at the same time, in order to further identify the correspondence between the resources and the direct communication target terminal, the PDSCH indicated by the PDCCH activation signaling or the PDCCH activation signaling may also carry the communication target indication information.

Therefore, optionally, the method further includes:

Or, optionally, the method further includes:

In the embodiment of the present disclosure, the sixth implementation manner of step S211 includes:

In the above manner, the network-side device separates the time / frequency resources that can be used by Sidelink unicast and multicast / broadcast, and indicates that the specific resources allocated in the semi-persistent scheduling configuration PDCCH activation signaling indicate that the semi-persistent scheduling is for Sidelink unicast or multicast / broadcast services.

Further, if the terminal communicates with multiple direct communication target terminals at the same time, in order to further identify the correspondence between the resources and the direct communication target terminal, the network side device may also carry the communication target in the PDCCH activation signaling for the direct communication link Instructions.

Therefore, optionally, the method further includes:

In the first implementation manner of the resource scheduling method of the direct communication link described in the first embodiment above, for the resource allocation mode of network scheduling, when in dynamic scheduling or semi-persistent scheduling, the network side device is the sender of the direct communication link Or when the direct communication link of the direct communication target end allocates resources, it indicates the data transmission mode corresponding to the resource, that is, the unicast service or the multicast / broadcast service to which the resource is directed.

In the embodiment of the present disclosure, the second implementation of the resource scheduling method of the direct communication link according to the first embodiment, as shown in FIG. 4, in step S210, obtain the terminal allocated by the network-side device for direct communication The data transmission methods corresponding to the link resources include:

S212: Obtain the data transmission mode corresponding to the configured resource pool when the network-side device configures the terminal with a resource pool for data transmission;

Based on the above-mentioned self-selected resource allocation mode of the terminal, when the terminal is the sender of the direct communication link, it can obtain the resource pool configured or pre-configured by the network side device, and obtain the data transmission mode corresponding to the configured resource pool, according to the indicated resource pool For the corresponding data transmission mode, the terminal may select the resource corresponding to the data transmission mode in the sending resource pool by itself.

For example, when the terminal is a direct communication link sender and adopts the terminal's self-selected resource allocation mode, the network side configures or pre-configures the sending resource pool to carry type indication information indicating whether the resource pool is targeted for Sidelink unicast Multicast / broadcast service.

Among them, this type of indication information can have the following ways:

Use 1bit identification information to distinguish between unicast and multicast / broadcast. For example, 0 means unicast; 1 means broadcast / multicast; or

Use 2bit identification information to identify unicast, multicast and broadcast respectively. For example, 00 means unicast, 01 means multicast, and 10 means broadcast.

Among them, when the terminal selects its own transmission resources from the resource pool, it selects specific transmission resources from the resource pool corresponding to unicast for unicast services, and selects specific resources from the resource pool corresponding to multicast / broadcast services for multicast / broadcast services. Send resources.

When the terminal is a direct communication receiver, the terminal can obtain the resource pool configured or pre-configured by the network-side device, and obtain the data transmission method corresponding to the configured resource pool, and adopt the corresponding data transmission method according to the data transmission method of the direct communication link Resources in the resource pool receive data.

According to the above, using the resource scheduling method of the direct communication link according to the embodiment of the present disclosure, when the terminal is the sender of the direct communication link, the resource allocation method of network scheduling can be used, and the network side device is directly communicating with the terminal When the link allocates resources, it indicates the data transmission mode corresponding to the resources allocated for the direct communication link.

For example, when the terminal is a sender of a direct communication link, and the direct communication interface of the terminal has a data transmission requirement, the specific process may be:

The terminal reports Sidelink related auxiliary information to the network side device;

After receiving the Sidelink-related auxiliary information reported by the terminal, the network-side device determines whether to use dynamic scheduling or semi-persistent scheduling; if dynamic scheduling is used, the network-side device needs to indicate that the resource is directed to Whether the broadcast service is a multicast / broadcast service, the specific indication method can be: when the network-side device allocates resources for the direct communication link, different SL-RNTIs corresponding to the resource scheduling signaling are used to distinguish the scheduling signaling for Sidelink unicast Or multicast / broadcast service;

After receiving the resource scheduling signaling, the terminal determines, according to the SL-RNTI, whether the resources scheduled by the network-side device for the direct communication link are for Sidelink unicast or multicast / broadcast services, and further can be used for direct communication The resources of the link correspond to which direct communication target end is used for, and then the data packet is organized accordingly, and the data transmission is performed.

In another embodiment, when the network-side device receives the Sidelink-related auxiliary information reported by the terminal and determines to use dynamic scheduling, the network-side device needs to indicate whether the resource is for unicast or multicast when allocating resources for the direct communication link / Broadcast service, the specific instruction method can also be:

When allocating resources for the direct communication link, the network side indicates whether the scheduling signaling is for Sidelink unicast or multicast / broadcast services by carrying indication information carried in scheduling signaling or PDSCH scheduled by SL-RNTI. Moreover, when the terminal communicates with multiple direct communication targets at the same time, in order to further identify the correspondence between resources and communication targets, the scheduling signaling or the PDSCH indicated by the scheduling signaling for the direct communication link also needs to carry communication target indication information.

Separate the time / frequency resources that can be used by Sidelink unicast and multicast / broadcast. When the network side allocates resources for direct communication links, the specific resources allocated indicate whether the scheduling signaling is for Sidelink unicast or multicast / broadcast. business. In addition, if the terminal communicates with multiple direct communication targets at the same time, in order to further identify the correspondence between the resources and the communication targets, it is necessary to carry communication target indication information in the scheduling signaling for the direct communication link or the PDSCH indicated by the scheduling signaling.

In another embodiment, when the network-side device receives the Sidelink-related auxiliary information reported by the terminal and determines to use semi-persistent scheduling, the network-side device needs to indicate whether the resource is for a unicast service or a group when allocating resources for the direct communication link For broadcast / broadcast services, the specific indication method can also be:

The network side device carries type indication information in the semi-persistent scheduling configuration signaling (RRC signaling) to indicate whether each semi-persistent scheduling configuration is for Sidelink unicast or multicast / broadcast services.

If the terminal communicates with multiple direct communication targets at the same time, in order to further identify the correspondence between resources and communication targets, the semi-persistent scheduling configuration signaling may also carry communication target indication information for each semi-persistent scheduling configuration.

The terminal receives the configuration signaling of the semi-persistent scheduling, and determines whether the resource corresponding to the semi-persistent scheduling is for Sidelink unicast or multicast / broadcast services according to the indication information carried in the configuration signaling of the semi-persistent scheduling. Which direct communication target. After that, the data packet is organized accordingly.

The network-side device carries type indication information in the PDCCH activation signaling corresponding to the semi-persistent scheduling to indicate whether each semi-persistent scheduling configuration is for Sidelink unicast or multicast / broadcast services.

If the terminal communicates with multiple direct communication targets at the same time, in order to further identify the correspondence between resources and communication targets, the PDCCH activation signaling or the PDSCH indicated by the PDCCH activation signaling also needs to carry communication target indication information.

After receiving the PDCCH activation signaling corresponding to the semi-persistent scheduling, the terminal determines whether the resource corresponding to the semi-persistent scheduling is for Sidelink unicast or multicast / broadcast services according to the indication information carried in the PDCCH activation signaling corresponding to the semi-persistent scheduling, further It is also possible to determine which direct communication target is targeted. After that, the data packet is organized accordingly.

Separate the time / frequency resources that can be used by Sidelink unicast and multicast / broadcast. The network side indicates whether the semi-persistent scheduling is for Sidelink unicast or multicast by configuring specific resources in the PDCCH activation signaling of semi-persistent scheduling configuration / Broadcasting service.

If the terminal communicates with multiple direct communication targets at the same time, in order to further identify the correspondence between resources and communication targets, the PDCCH activation signaling for the direct communication link may also carry communication target indication information.

After receiving the PDCCH activation signaling corresponding to the semi-persistent scheduling, the terminal determines whether the resource corresponding to the semi-persistent scheduling is for Sidelink unicast or multicast / broadcast services according to the specific resources allocated in the PDCCH activation signaling of the semi-persistent scheduling configuration, further It is also possible to determine which direct communication target is targeted.

Using the resource scheduling method of the direct communication link according to the embodiment of the present disclosure, when the terminal is the sender of the direct communication link, a method of directly allocating and receiving resources may be adopted by the network side device. The continuous scheduling method indicates to the terminal the data transmission method corresponding to the resource allocated to the terminal for the direct communication link; the method of using the receiving resource pool may also be used. The network side device configures or pre-configures the receiving resource pool to carry the indication information indication This resource pool is for Sidelink unicast or multicast / broadcast services. The specific implementation of each of the above methods can be referred to the detailed description above, and will not be repeated here.

Based on the above, the resource scheduling method of the direct communication link according to the embodiment of the present disclosure further includes:

The resources allocated to the terminal by the network-side device for the direct communication link adopt the corresponding data transmission method indicated by the network-side device for data transmission.

As shown in FIG. 5, it is a schematic flowchart of a resource scheduling method for a direct communication link according to a second embodiment of the present disclosure, which is applied to network-side devices and includes:

S510, indicating a data transmission mode corresponding to the resource allocated for the terminal for the direct communication link, wherein the data transmission mode is unicast, multicast, or broadcast; or the data transmission mode is unicast or multicast, where Multicast includes multicast and broadcast.

Further, in the first implementation manner of the resource scheduling method of the direct communication link according to the second embodiment of the present disclosure, as shown in FIG. 6, in step S510, the resource allocated for the direct communication link corresponding to the terminal is indicated. Data transmission methods, including:

S511, when allocating direct communication link resources for the direct communication link of the terminal, indicating the data transmission mode corresponding to allocating resources for the direct communication link;

Specifically, the first embodiment of the above step S511 is:

Based on the above method, through dynamic scheduling, the network side device indicates the data transmission method of the allocated resource through resource scheduling signaling when allocating resources for the direct communication link, that is, for unicast services or multicast / broadcast services.

The above methods can be implemented in the following two ways:

1) The direct communication link corresponding to the resource scheduling signaling-the wireless network temporary identifier SL-RNTI indicates the data transmission mode corresponding to the resource allocated to the direct communication link; wherein, the data indicated by different SL-RNTI The transmission method is different.

Based on the above, optionally, the method further includes:

At least two SL-RNTIs are pre-configured for the terminal.

In addition, the second embodiment of the above step S511 includes:

In the embodiment of the present disclosure, the third implementation manner of step S511 includes:

Based on the above, optionally, the method further includes:

Optionally, the method further includes:

In the embodiment of the present disclosure, the fourth implementation manner of the above step S511 includes:

Therefore, optionally, the method further includes:

In the embodiment of the present disclosure, the fifth implementation manner of the foregoing step S511 includes:

Therefore, optionally, the method further includes:

Or, optionally, the method further includes:

In the embodiment of the present disclosure, the sixth implementation manner of the above step S511 includes:

In semi-persistent scheduling, the specific resource allocated in the semi-persistent scheduling configuration PDCCH activation signaling indicates the data transmission mode corresponding to the semi-persistent scheduling configuration resource; different time / frequency resources and data need to be pre-configured Correspondence of transmission methods.

Therefore, optionally, the method further includes:

In the first implementation manner of the resource scheduling method of the direct communication link described in the second embodiment above, for the resource allocation mode of network scheduling, when in dynamic scheduling or semi-persistent scheduling, the network side device is the sender of the direct communication link Or when the direct communication link of the direct communication target end allocates resources, it indicates the data transmission mode corresponding to the resource, that is, the unicast service or the multicast / broadcast service to which the resource is directed.

In the embodiment of the present disclosure, the second implementation manner of the resource scheduling method of the direct communication link according to the second embodiment, as shown in FIG. 7, in step S510, indicates that the resource allocated for the terminal for the direct communication link corresponds to Data transmission methods, including:

S512, when configuring a resource pool for data transmission for the terminal, indicating the data transmission mode applied by the configured resource pool;

An embodiment of the present disclosure also provides a terminal. As shown in FIG. 8, the terminal includes: a processor 801; and a memory 803 connected to the processor 801 through a bus interface 802, and the memory 803 is used to store the The programs and data used by the processor 801 when performing operations, and the processor 801 calls and executes the programs and data stored in the memory 803.

Among them, the transceiver 804 is connected to the bus interface 802 and is used to receive and send data under the control of the processor 801. Specifically, the processor 801 is used to read the program in the memory 803 and perform the following process:

Optionally, the processor 801 acquiring the data transmission mode corresponding to the resource indicated by the network side device includes:

Optionally, the processor 801 obtains the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:

Optionally, the processor 801 indicates, through resource scheduling signaling, that the data transmission mode corresponding to the resource allocated to the direct communication link includes:

Optionally, the processor 801 is also used to:

Optionally, the processor 801 is used to:

Optionally, the processor 801 is also used to:

It should be noted that, in FIG. 8, the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 801 and various circuits of the memory represented by the memory 803 are linked together. The bus architecture can also link various other circuits such as peripheral devices, voltage regulators, and power management circuits, etc., which are well known in the art, and therefore, they will not be further described in this article. The bus interface provides an interface. The transceiver 804 may be a plurality of elements, including a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium. For different terminals, the user interface 805 may also be an interface that can be externally connected to a required device. The connected devices include but are not limited to a keypad, a display, a speaker, a microphone, a joystick, and so on. The processor 801 is responsible for managing the bus architecture and general processing, and the memory 803 may store data used by the processor 801 in performing operations.

Those skilled in the art may understand that all or part of the steps of the above-mentioned embodiments may be completed by hardware, or may be instructed by related hardware through a program, and the program includes instructions to perform some or all steps of the above method; The program may be stored in a readable storage medium, and the storage medium may be any form of storage medium.

As shown in FIG. 9, an embodiment of the present disclosure further provides a network-side device, including a transceiver 901, a memory 902, a processor 900, and a program stored on the memory 902 and executable on the processor 900; The processor 900 calls and executes the programs and data stored in the memory 902.

The transceiver 901 receives and sends data under the control of the processor 900. Specifically, the processor 900 is used to read the program in the memory 902 and perform the following processes:

Optionally, the data transmission mode corresponding to the resource allocated for the terminal for the direct communication link by the processor 900 includes:

Optionally, the data transmission mode corresponding to the processor 900 indicating to allocate resources for the direct communication link includes:

Optionally, the processor 900 indicates, through resource scheduling signaling, that the data transmission mode corresponding to allocating resources for the direct communication link includes:

Optionally, the processor 900 is also used to:

At least two SL-RNTIs are pre-configured for the terminal.

Optionally, the processor 900 is also used to:

In FIG. 9, the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 900 and various circuits of the memory represented by the memory 902 are linked together. The bus architecture can also link various other circuits such as peripheral devices, voltage regulators, and power management circuits, etc., which are well known in the art, and therefore, they will not be further described in this article. The bus interface provides an interface. The transceiver 901 may be a plurality of elements, including a transmitter and a receiver, and provides a unit for communicating with various other devices on a transmission medium. The processor 900 is responsible for managing the bus architecture and general processing, and the memory 902 may store data used by the processor 900 in performing operations.

An embodiment of the present disclosure also provides a resource scheduling device for a direct communication link, which is applied to a terminal. As shown in FIG. 10, the device includes:

The obtaining module 1001 is used to obtain the data transmission mode corresponding to the resource allocated to the terminal for direct communication link indicated by the network side device;

Optionally, the acquiring module 1001 acquires the data transmission mode corresponding to the resource indicated by the network-side device including:

Optionally, the acquiring module 1001 acquires the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:

Optionally, the acquisition module 1001 indicates, through resource scheduling signaling, that the data transmission mode corresponding to the resource allocated for the direct communication link includes:

Optionally, the obtaining module 1001 is also used to:

Optionally, the acquiring module 1001 acquiring the data transmission mode corresponding to the resource indicated by the network-side device includes:

An embodiment of the present disclosure also provides a resource scheduling device for a direct communication link, which is applied to a network-side device. As shown in FIG. 11, the device includes:

The instruction module 1101 is used to indicate the data transmission mode corresponding to the resource allocated to the terminal for the direct communication link, wherein the data transmission mode is unicast, multicast or broadcast; or the data transmission mode is unicast or Multicast, which includes multicast and broadcast.

Optionally, the indication module 1101 indicates that the data transmission mode corresponding to the resource allocated for the terminal for the direct communication link includes:

Optionally, the indication module 1101 indicates that the data transmission mode corresponding to allocating resources for the direct communication link includes:

Optionally, the instruction module 1101 indicates, through resource scheduling signaling, that the data transmission mode corresponding to allocating resources for the direct communication link includes:

Optionally, the indication module 1101 is also used to:

At least two SL-RNTIs are pre-configured for the terminal.

Optionally, the indication module 1101 is also used to:

The direct communication target end applied to the resource allocated to the direct communication link is indicated by the communication target indication information carried in the resource scheduling signaling; wherein, the direct communication target end of the application indicated by different communication target indication information is different.

Optionally, the indication module 1101 is also used to:

Embodiments of the present disclosure also provide a computer-readable storage medium that stores a computer program on the computer-readable storage medium, and when the computer program is executed by a processor, implements the resource scheduling method embodiment of the direct communication link as described above In order to avoid repetition, we will not repeat them here. Wherein, the computer-readable storage medium, such as read-only memory (Read-Only Memory, ROM for short), random access memory (Random Access Memory, RAM for short), magnetic disk or optical disk, etc.

It should be noted that in this article, the terms "include", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements It also includes other elements that are not explicitly listed, or include elements inherent to this process, method, article, or device. Without more restrictions, the element defined by the sentence "include one ..." does not exclude that there are other identical elements in the process, method, article or device that includes the element.

Through the description of the above embodiments, those skilled in the art can clearly understand that the methods in the above embodiments can be implemented by means of software plus a necessary universal hardware platform, or by hardware, but in many cases the former is better Implementation. Based on such an understanding, the technical solution of the present disclosure can be embodied in the form of a software product in essence or part that contributes to the existing technology, and the computer software product is stored in a storage medium (such as ROM / RAM, magnetic disk, The CD-ROM includes several instructions to enable a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in various embodiments of the present disclosure.

The embodiments of the present disclosure have been described above with reference to the drawings, but the present disclosure is not limited to the above-mentioned specific implementations. The above-mentioned specific implementations are only schematic and not restrictive. Under the inspiration of the present disclosure, many forms can be made without departing from the purpose of the present disclosure and the scope protected by the claims, all of which fall within the protection of the present disclosure.

The above is an optional embodiment of the present disclosure. It should be noted that those of ordinary skill in the art can make several improvements and retouching without departing from the principles described in the present disclosure. These improvements and Retouching should also be considered as the scope of protection of this disclosure.

Claims

A direct communication link resource scheduling method, applied to a terminal, includes:

Obtain the data transmission mode corresponding to the resource allocated to the terminal for direct communication link indicated by the network side device;

The data transmission method is unicast, multicast or broadcast; or the data transmission method is unicast or multicast, where multicast includes multicast and broadcast.
The resource scheduling method of a direct communication link according to claim 1, wherein the data transmission mode corresponding to the resource allocated to the terminal indicated by the network side device and corresponding to the terminal includes:

Obtain the data transmission mode corresponding to the resources allocated by the direct communication link indicated by the network side device when allocating resources for the direct communication link of the terminal;

Wherein, the terminal is a direct communication link sender or a direct communication link receiver.
The resource scheduling method of a direct communication link according to claim 2, wherein the acquisition network network device corresponds to the resource indicated by the direct communication link when allocating resources for the direct communication link of the terminal Data transmission methods include:

When the network side device is dynamically scheduled to allocate resources for the direct communication link of the terminal, the data transmission mode corresponding to the resources allocated for the direct communication link is indicated through resource scheduling signaling.
The resource scheduling method of a direct communication link according to claim 3, wherein the data transmission mode corresponding to the resources allocated to the direct communication link indicated by the resource scheduling signaling includes:

Indicating the data transmission mode corresponding to the resource allocated to the direct communication link through the direct communication link-wireless network temporary identifier SL-RNTI corresponding to the resource scheduling signaling; wherein, the data transmission mode indicated by different SL-RNTI different.
The resource scheduling method of the direct communication link according to claim 4, further comprising:

Obtain the direct communication target terminal applied to the resource allocated for the direct communication link through the SL-RNTI in the resource scheduling signaling instruction of the network side device; where the direct communication target terminal indicated by different SL-RNTI applications is different.
The resource scheduling method of a direct communication link according to claim 4 or 5, further comprising:

Acquire at least two SL-RNTIs pre-configured by the network side device for the terminal.
The resource scheduling method of a direct communication link according to claim 3, wherein the data transmission mode corresponding to the resources allocated to the direct communication link indicated by the resource scheduling signaling includes:

The type indication information carried in the resource scheduling signaling indicates the data transmission mode corresponding to the resource allocated to the direct communication link; the different content of the type indication information carried therein is used to indicate different data transmission modes.
The resource scheduling method of a direct communication link according to claim 2, wherein the acquisition network network device corresponds to the resource indicated by the direct communication link when allocating resources for the direct communication link of the terminal Data transmission methods include:

When the network-side device is dynamically scheduled, the type indication information carried in the physical downlink shared channel PDSCH scheduled by the SL-RNTI indicates the data transmission mode corresponding to the resource allocated for the direct communication link; the type indication information carried therein The different contents are used to indicate different data transmission methods.
The resource scheduling method of a direct communication link according to claim 2, wherein the acquisition network network device corresponds to the resource indicated by the direct communication link when allocating resources for the direct communication link of the terminal Data transmission methods include:

Obtain the data transmission method corresponding to the direct communication link resource allocation when the network side device allocates resources for the direct communication link of the terminal; wherein, different time / frequency resources need to be pre-configured Corresponding to the data transmission mode, the terminal is a direct communication link sender or a direct communication link receiver.
The method for resource scheduling of a direct communication link according to claim 3, 4, 7, 8 or 9, further comprising:

Obtain the communication target indication information carried by the network side device through the resource scheduling signaling, indicating the direct communication target end to which the resources allocated for the direct communication link apply; wherein, the direct communication target end of the application indicated by the different communication target indication information different.
The resource scheduling method of the direct communication link according to claim 8 or 9, further comprising:

Obtain the communication target indication information carried in the PDSCH indicated by the network side device through resource scheduling signaling, indicating the direct communication target end to which the resource allocated for the direct communication link is applied; wherein, the direct communication application indicated by the different communication target indication information The communication target is different.
The resource scheduling method of a direct communication link according to claim 2, wherein the acquisition network network device corresponds to the resource indicated by the direct communication link when allocating resources for the direct communication link of the terminal Data transmission methods include:

Acquire the type indication information in the semi-persistent scheduling configuration signaling carried by the network side device during semi-persistent scheduling to indicate the data transmission mode corresponding to the semi-persistent scheduling configuration resource.
The resource scheduling method of a direct communication link according to claim 2, wherein the acquisition network network device corresponds to the resource indicated by the direct communication link when allocating resources for the direct communication link of the terminal Data transmission methods include:

Acquire the type indication information in the activation signaling of the physical downlink control channel PDCCH corresponding to the semi-persistent scheduling of the network-side device during semi-persistent scheduling, indicating the data transmission mode corresponding to the configuration resources of the semi-persistent scheduling.
The resource scheduling method of a direct communication link according to claim 2, wherein the acquisition network network device corresponds to the resource indicated by the direct communication link when allocating resources for the direct communication link of the terminal Data transmission methods include:

Obtain the specific resource allocated in the semi-persistent scheduling configuration PDCCH activation signaling of the network-side device during semi-persistent scheduling to indicate the data transmission mode corresponding to the semi-persistent scheduling configuration resource; where different time / Correspondence between frequency resources and data transmission methods.
The resource scheduling method of the direct communication link according to claim 12, further comprising:

Obtain the communication target indication information carried in the configuration signaling of the semi-persistent scheduling by the network side device, and indicate the direct communication target end to which the semi-persistent scheduling configuration resource is applied.
The resource scheduling method of the direct communication link according to claim 13 or 14, further comprising:

Acquire the communication target indication information carried in the PDCCH activation signaling corresponding to the semi-persistent scheduling by the network side device, and indicate the direct communication target end to which the configuration resources of the semi-persistent scheduling are applied.
The resource scheduling method of the direct communication link according to claim 13, further comprising:

Obtain the communication target indication information carried by the PDSCH indicated by the network side device through the PDCCH activation signaling corresponding to the semi-persistent scheduling, and indicate the direct communication target end to which the configuration resources of the semi-persistent scheduling are applied.
The resource scheduling method of a direct communication link according to claim 1, wherein the data transmission method corresponding to the resource allocated to the terminal and indicated by the network side device for the direct communication link includes:

Acquiring, when configuring a resource pool for data transmission for the terminal, the network-side device indicates the data transmission mode corresponding to the configured resource pool;

The terminal is a direct communication link sender or a direct communication link receiver.
A resource scheduling method for direct communication links, applied to network-side devices, includes:

Indicates the data transmission mode corresponding to the resource allocated to the terminal for the direct communication link, wherein the data transmission mode is unicast, multicast or broadcast; or the data transmission mode is unicast or multicast, in which multicast Including multicast and broadcast.
The resource scheduling method for a direct communication link according to claim 19, wherein the data transmission method corresponding to the resource allocated for the direct communication link indicated by the terminal includes:

When allocating direct communication link resources for the direct communication link of the terminal, indicate the data transmission method corresponding to allocating resources for the direct communication link;

Wherein, the terminal is a direct communication link sender or a direct communication link receiver.
The resource scheduling method of the direct communication link according to claim 20, wherein the data transmission method corresponding to the resource allocation for the direct communication link comprises:

In dynamic scheduling, the data scheduling mode corresponding to allocating resources for the direct communication link is indicated through resource scheduling signaling.
The resource scheduling method of a direct communication link according to claim 21, wherein the data transmission mode corresponding to the allocation of resources for the direct communication link through the resource scheduling signaling includes:

Indicating the data transmission mode corresponding to the resource allocated to the direct communication link through the direct communication link-wireless network temporary identifier SL-RNTI corresponding to the resource scheduling signaling; wherein, the data transmission mode indicated by different SL-RNTI different.
The resource scheduling method of the direct communication link according to claim 22, further comprising:

The direct communication target end to which the resource allocated for the direct communication link is applied is indicated by the SL-RNTI in the resource scheduling signaling instruction; wherein, the direct communication target end to which the application indicated by different SL-RNTIs are different.
The resource scheduling method of a direct communication link according to claim 22 or 23, further comprising:

At least two SL-RNTIs are pre-configured for the terminal.
The resource scheduling method of a direct communication link according to claim 21, wherein the data transmission mode corresponding to the allocation of resources for the direct communication link through the resource scheduling signaling includes:

The type indication information carried in the resource scheduling signaling indicates a data transmission mode corresponding to allocating resources for the direct communication link; different contents of the type indication information carried therein are used to indicate different data transmission modes.
The resource scheduling method of the direct communication link according to claim 20, wherein the data transmission method corresponding to the resource allocation for the direct communication link comprises:

During dynamic scheduling, the type indication information carried in the physical downlink shared channel PDSCH scheduled by SL-RNTI indicates the data transmission method corresponding to the allocation of resources for the direct communication link; the different content of the type indication information carried therein is used to To indicate different data transmission methods.
The resource scheduling method for a direct communication link according to claim 19, wherein the data transmission method corresponding to the resource allocated for the direct communication link indicated by the terminal includes:

When allocating resources for the direct communication link of the terminal, the specific resource allocation is used to indicate the data transmission mode corresponding to allocating resources for the direct communication link; among them, it is necessary to pre-configure the correspondence between different time / frequency resources and data transmission modes relationship;

Wherein, the terminal is a direct communication link sender or a direct communication link receiver.
The resource scheduling method of a direct communication link according to claim 21, 22, 25, 26 or 27, further comprising:

The direct communication target terminal to which the resource allocated for the direct communication link is applied is indicated by the communication target indication information carried in the resource scheduling signaling; wherein, the direct communication target terminal of the application indicated by different communication target indication information is different.
The resource scheduling method of the direct communication link according to claim 26 or 27, further comprising:

The communication target indication information carried in the PDSCH indicated by the resource scheduling signaling indicates the direct communication target end to which the resource allocated for the direct communication link is applied; wherein, the direct communication target ends indicated by different communication target indication information are different .
The resource scheduling method of the direct communication link according to claim 20, wherein the data transmission method corresponding to the resource allocation for the direct communication link comprises:

In semi-persistent scheduling, the configuration signaling of the semi-persistent scheduling carries type indication information to indicate the data transmission mode corresponding to the configuration resources of the semi-persistent scheduling.
The resource scheduling method of the direct communication link according to claim 20, wherein the data transmission method corresponding to the resource allocation for the direct communication link comprises:

In semi-persistent scheduling, the activation signaling of the physical downlink control channel PDCCH corresponding to the semi-persistent scheduling carries type indication information to indicate the data transmission mode corresponding to the configuration resources of the semi-persistent scheduling.
The resource scheduling method of the direct communication link according to claim 20, wherein the data transmission method corresponding to the resource allocation for the direct communication link comprises:

In semi-persistent, the specific resource allocated in the semi-persistently scheduled configuration PDCCH activation signaling indicates the data transmission mode corresponding to the semi-persistently scheduled configuration resource; different time / frequency resources and data transmission need to be pre-configured Correspondence of ways.
The resource scheduling method of the direct communication link according to claim 30, further comprising:

The direct communication target end to which the configuration resources of the semi-persistent scheduling are applied is indicated by the communication target indication information carried in the configuration signaling of the semi-persistent scheduling.
The resource scheduling method of the direct communication link according to claim 31 or 32, further comprising:

The direct communication target end to which the configuration resources of the semi-persistent scheduling are applied is indicated by the communication target indication information carried in the PDCCH activation signaling corresponding to the semi-persistent scheduling.
The resource scheduling method of the direct communication link according to claim 31, further comprising:

The communication target indication information carried in the PDSCH indicated by the PDCCH activation signaling corresponding to the semi-persistent scheduling indicates the direct communication target end to which the configuration resources of the semi-persistent scheduling are applied.
The resource scheduling method for a direct communication link according to claim 19, wherein the data transmission method corresponding to the resource allocated for the direct communication link indicated by the terminal includes:

When configuring a resource pool for data transmission for the terminal, indicating the data transmission mode applied by the configured resource pool;

Wherein, the terminal is a direct communication link sender or a direct communication link receiver.
A terminal includes: a memory, a processor, and a program stored on the memory and executable on the processor; when the processor executes the program, the following steps are implemented:

Obtain the data transmission mode corresponding to the resource allocated to the terminal for direct communication link indicated by the network side device;

The data transmission method is unicast, multicast or broadcast; or the data transmission method is unicast or multicast, where multicast includes multicast and broadcast.
The terminal according to claim 37, wherein the processor acquiring the data transmission mode corresponding to the resource allocated to the terminal for direct communication link indicated by the network side device includes:

Obtain the data transmission mode corresponding to the resources allocated by the direct communication link indicated by the network side device when allocating resources for the direct communication link of the terminal;

Wherein, the terminal is a direct communication link sender or a direct communication link receiver.
The terminal according to claim 38, wherein the processor acquires the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:

When the network side device is dynamically scheduled to allocate resources for the direct communication link of the terminal, the data transmission mode corresponding to the resources allocated for the direct communication link is indicated through resource scheduling signaling.
The terminal according to claim 39, wherein the processor indicates, through resource scheduling signaling, that the data transmission mode corresponding to the resource allocated to the direct communication link includes:

Indicating the data transmission mode corresponding to the resource allocated to the direct communication link through the direct communication link-wireless network temporary identifier SL-RNTI corresponding to the resource scheduling signaling; wherein, the data transmission mode indicated by different SL-RNTI different.
The terminal according to claim 40, wherein the processor is further configured to:

Obtain the direct communication target terminal applied to the resource allocated for the direct communication link through the SL-RNTI in the resource scheduling signaling instruction of the network side device; where the direct communication target terminal indicated by different SL-RNTI applications is different.
The terminal according to claim 39, wherein the processor indicates, through resource scheduling signaling, that the data transmission mode corresponding to the resource allocated to the direct communication link includes:

The type indication information carried in the resource scheduling signaling indicates the data transmission mode corresponding to the resource allocated to the direct communication link; the different content of the type indication information carried therein is used to indicate different data transmission modes.
The terminal according to claim 38, wherein the processor acquires the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:

When the network-side device is dynamically scheduled, the type indication information carried in the physical downlink shared channel PDSCH scheduled by the SL-RNTI indicates the data transmission mode corresponding to the resource allocated for the direct communication link; the type indication information carried therein The different contents are used to indicate different data transmission methods.
The terminal according to claim 38, wherein the processor acquires the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:

Obtain the data transmission method corresponding to the direct communication link resource allocation when the network side device allocates resources for the direct communication link of the terminal; wherein, different time / frequency resources need to be pre-configured Corresponding to the data transmission mode, the terminal is a direct communication link sender or a direct communication link receiver.
The terminal according to claim 39, 40, 42, 43 or 44, wherein the processor is further used to:

Obtain the communication target indication information carried by the network side device through the resource scheduling signaling, indicating the direct communication target end to which the resources allocated for the direct communication link apply; wherein, the direct communication target end of the application indicated by the different communication target indication information different.
The terminal according to claim 43 or 44, wherein the processor is further used to:

Obtain the communication target indication information carried in the PDSCH indicated by the network side device through resource scheduling signaling, indicating the direct communication target end to which the resource allocated for the direct communication link is applied; wherein, the direct communication application indicated by the different communication target indication information The communication target is different.
The terminal according to claim 38, wherein the processor acquires the data transmission mode corresponding to the resource allocated for the direct communication link indicated by the network-side device when allocating resources for the direct communication link of the terminal includes:

Obtaining the type indication information in the semi-persistent scheduling configuration signaling carried by the network-side device during semi-persistent scheduling, indicating the data transmission mode corresponding to the semi-persistent scheduling configuration resource; or,

Acquiring, during semi-persistent scheduling, the network-side device carries the type indication information in the activation signaling of the physical downlink control channel PDCCH corresponding to semi-persistent scheduling, indicating the data transmission mode corresponding to the configuration resources of semi-persistent scheduling; or

Obtain the specific resource allocated in the semi-persistent scheduling configuration PDCCH activation signaling of the network-side device during semi-persistent scheduling to indicate the data transmission mode corresponding to the semi-persistent scheduling configuration resource; where different time / Correspondence between frequency resources and data transmission methods.
The terminal according to claim 37, wherein the processor acquiring the data transmission mode corresponding to the resource allocated to the terminal for direct communication link indicated by the network side device includes:

Acquiring, when configuring a resource pool for data transmission for the terminal, the network-side device indicates the data transmission mode corresponding to the configured resource pool;

The terminal is a direct communication link sender or a direct communication link receiver.
A network-side device, including: a memory, a processor, and a program stored on the memory and executable on the processor; when the processor executes the program, the following steps are implemented:

Indicates the data transmission mode corresponding to the resource allocated to the terminal for the direct communication link, wherein the data transmission mode is unicast, multicast or broadcast; or the data transmission mode is unicast or multicast, in which multicast Including multicast and broadcast.
The network side device according to claim 49, wherein the data transmission mode corresponding to the resource allocated to the terminal for the direct communication link by the processor includes:

When allocating direct communication link resources for the direct communication link of the terminal, indicate the data transmission method corresponding to allocating resources for the direct communication link;

Wherein, the terminal is a direct communication link sender or a direct communication link receiver.
The network-side device according to claim 50, wherein the data transmission mode corresponding to the processor instructing to allocate resources for the direct communication link includes:

In dynamic scheduling, the data scheduling mode corresponding to allocating resources for the direct communication link is indicated through resource scheduling signaling.
The network-side device according to claim 51, wherein the processor indicates that the data transmission mode corresponding to allocating resources for the direct communication link through resource scheduling signaling includes:

Indicating the data transmission mode corresponding to the resource allocated to the direct communication link through the direct communication link-wireless network temporary identifier SL-RNTI corresponding to the resource scheduling signaling; wherein, the data transmission mode indicated by different SL-RNTI different.
The network side device according to claim 52, wherein the processor is further configured to:

The direct communication target end to which the resources allocated for the direct communication link are applied is indicated by the SL-RNTI in the resource scheduling signaling instruction; wherein, the direct communication target end to which the application indicated by different SL-RNTI is different.
The network-side device according to claim 51, wherein the processor indicates that the data transmission mode corresponding to allocating resources for the direct communication link through resource scheduling signaling includes:

The type indication information carried in the resource scheduling signaling indicates a data transmission mode corresponding to allocating resources for the direct communication link; different contents of the type indication information carried therein are used to indicate different data transmission modes.
The network-side device according to claim 50, wherein the data transmission mode corresponding to the processor instructing to allocate resources for the direct communication link includes:

During dynamic scheduling, the type indication information carried in the physical downlink shared channel PDSCH scheduled by SL-RNTI indicates the data transmission method corresponding to the allocation of resources for the direct communication link; the different content of the type indication information carried therein is used to To indicate different data transmission methods.
The network side device according to claim 49, wherein the data transmission mode corresponding to the resource allocated to the terminal for the direct communication link by the processor includes:

When allocating resources for the direct communication link of the terminal, the specific resource allocation is used to indicate the data transmission mode corresponding to allocating resources for the direct communication link; among them, it is necessary to pre-configure the correspondence between different time / frequency resources and data transmission modes relationship;

Wherein, the terminal is a direct communication link sender or a direct communication link receiver.
The network-side device according to claim 51, 52, 54, 55 or 56, wherein the processor is further used to:

The direct communication target terminal to which the resource allocated for the direct communication link is applied is indicated by the communication target indication information carried in the resource scheduling signaling; wherein, the direct communication target terminal of the application indicated by different communication target indication information is different.
The network side device according to claim 55 or 56, wherein the processor is further used to:

The communication target indication information carried in the PDSCH indicated by the resource scheduling signaling indicates the direct communication target end to which the resource allocated for the direct communication link is applied; wherein, the direct communication target ends indicated by different communication target indication information are different .
The network-side device according to claim 50, wherein the data transmission mode corresponding to the processor instructing to allocate resources for the direct communication link includes:

In semi-persistent scheduling, the type signaling information is carried in the semi-persistent scheduling configuration signaling to indicate the data transmission mode corresponding to the semi-persistent scheduling configuration resource;

Or, in semi-persistent scheduling, the type of signaling information is carried in the activation signaling of the physical downlink control channel PDCCH corresponding to the semi-persistent scheduling, indicating the data transmission mode corresponding to the configuration resources of the semi-persistent scheduling; or,

In semi-persistent, the specific resource allocated in the semi-persistently scheduled configuration PDCCH activation signaling indicates the data transmission mode corresponding to the semi-persistently scheduled configuration resource; different time / frequency resources and data transmission need to be pre-configured Correspondence of ways.
The network side device according to claim 49, wherein the data transmission mode corresponding to the resource allocated to the terminal for the direct communication link by the processor includes:

When configuring a resource pool for data transmission for the terminal, indicating the data transmission mode applied by the configured resource pool;

Wherein, the terminal is a direct communication link sender or a direct communication link receiver.
A resource scheduling device for a direct communication link, applied to a terminal, includes:

An obtaining module, used to obtain the data transmission mode corresponding to the resource allocated for the terminal for direct communication link indicated by the network side device;

The data transmission method is unicast, multicast or broadcast; or the data transmission method is unicast or multicast, where multicast includes multicast and broadcast.
A resource scheduling device for direct communication link, applied to network side equipment, including:

An instruction module, used to indicate the data transmission mode corresponding to the resource allocated to the terminal for the direct communication link, wherein the data transmission mode is unicast, multicast or broadcast; or the data transmission mode is unicast or multiple Multicast, including multicast and broadcast.
A computer-readable storage medium having a program stored on the computer-readable storage medium, which implements a resource scheduling method for a direct communication link according to any one of claims 1 to 18 when the program is executed by a processor Or the step of implementing the resource scheduling method of the direct communication link according to any one of claims 19 to 36.