CN114423097A

CN114423097A - Data processing method, device, apparatus and storage medium

Info

Publication number: CN114423097A
Application number: CN202011074244.6A
Authority: CN
Inventors: 赵亚利
Original assignee: Datang Mobile Communications Equipment Co Ltd
Current assignee: Datang Mobile Communications Equipment Co Ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2022-04-29
Also published as: WO2022073431A1

Abstract

The embodiment of the application provides a data processing method, equipment, a device and a storage medium, wherein the method is applied to relay equipment and comprises the following steps: receiving data sent by a remote user terminal UE through a direct communication interface; determining a processing mode of the data according to the specific identification information; wherein the processing mode includes forwarding data or terminating at the relay device. In the embodiment of the application, after the relay device receives the data sent by the remote UE from the direct communication interface, the processing mode of the data is judged according to the specific identification information, so that the problem that the relay device cannot identify whether the data is terminated at the relay device or needs to be forwarded out after receiving the data is effectively solved, the relay device can correctly process the data, and the normal operation of a communication system is ensured.

Description

Data processing method, device, apparatus and storage medium

Technical Field

The present invention relates to the field of communications technologies, and in particular, to a data processing method, device, and apparatus, and a storage medium.

Background

To extend network coverage, one solution is to introduce relays (relays). For a relay-enabled device, it can have two roles:

as a relay device, receive data of a remote UE (User Equipment) device through a direct communication interface, and then forward the data to a network device or other UEs;

as a normal UE, data transmission of a direct communication interface may be performed with other UEs.

However, in the prior art, after receiving data of a remote UE, a relay device cannot identify whether the received data is terminated at the relay device or needs to be forwarded, that is, after receiving the data through a direct interface, the relay device cannot determine whether the relay device should forward the data to a network device or other UEs as a relay or should receive the data as a normal UE directly communicating with the remote UE.

Therefore, how to make the relay device recognize different types of data and perform correct processing becomes an urgent problem to be solved.

Disclosure of Invention

To solve the problems in the prior art, embodiments of the present application provide a data processing method, device, apparatus, and storage medium.

In a first aspect, an embodiment of the present application provides a data processing method, which is applied to a relay device, and includes:

receiving data sent by a remote user terminal UE through a direct communication interface;

determining a processing mode of the data according to the specific identification information; wherein the processing mode includes forwarding data or terminating at the relay device.

Optionally, the specific identification information is any one of:

a direct communication interface connection identifier;

the direct communication interface carries or a logical channel identifier;

an identifier carried in a PDU (Protocol Data Unit) header of a specific Protocol layer of a direct communication interface;

an identifier carried in the direct communication interface Control Information SCI (direct communication interface Control Information).

Optionally, if the specific identifier is a direct communication interface connection identifier, before receiving data sent by the remote UE through the direct communication interface, the method further includes:

receiving a direct communication interface connection establishment request message sent by the remote UE, if the direct communication interface connection establishment request message carries any one or a combination of the following: and if the relay connection establishment indication information, the relay type indication information and the communication opposite terminal identifier of the relay are determined, determining that the data received from the direct communication interface corresponding to the direct communication interface connection identifier needs to be forwarded.

Optionally, the method further comprises:

and the high layer of the relay equipment informs the access network related protocol layer of the relay equipment of the corresponding relation between the direct communication interface connection identifier and the processing mode.

Optionally, the direct communication interface connection identifier is any one or a combination of the following: a direct communication interface source address, a direct communication interface destination address, and a communication type.

Optionally, the direct communication interface connection identifier is carried by a Media Access Control (MAC) PDU subheader and/or direct communication interface Control information SCI.

Optionally, the method further comprises:

receiving data which is transmitted by the remote UE and needs to be forwarded by the relay equipment through a dedicated direct communication interface bearer or a dedicated direct communication interface logic channel at the direct communication interface;

wherein the dedicated direct communication interface bearer or the dedicated direct communication interface logical channel is determined by protocol pre-configuration, protocol agreement, or interaction between the remote UE and the relay device through the direct communication interface.

Optionally, the identifier carried in the PDU header of the specific protocol layer of the direct communication interface or the identifier carried in the control information SCI of the direct communication interface includes indication information, where the indication information includes any one of or a combination of the following:

first indication information for indicating whether the processing mode is data forwarding or termination at the relay device;

second indication information for indicating a relay type;

and third indication information, configured to indicate a correspondent node UE identity of the far-end UE for end-to-end communication.

Optionally, the specific Protocol layer of the direct communication interface is an SDAP (Service Data Adaptation Protocol) layer, a PDCP (Packet Data Convergence Protocol) layer, an RLC (Radio Link Control) layer, or an MAC (Media Access Control) layer.

Optionally, if it is determined that the data processing mode is data forwarding according to the specific identification information, the method further includes:

if the relay type is relay UE-to-Network relay from the remote UE to the Network side, the relay equipment forwards the relay equipment to the Network through a Uu interface BH bearer;

if the relay type is a relay UE-to-UE relay from the remote UE to another UE, the relay device directly forwards the information to the communication peer UE of the end-to-end communication of the remote UE through a Backhaul link (Backhaul link) carried by the relay device.

In a second aspect, an embodiment of the present application provides a data processing method, including:

sending data corresponding to the specific identification information to the relay equipment through the direct communication interface; the specific identification information is used for indicating the relay device to adopt different processing modes, and the processing modes include data forwarding or termination at the relay device.

Optionally, the specific identification information is any one of: a direct communication interface connection identifier;

the direct communication interface carries or a logical channel identifier;

the identification carried in the PDU header of the specific protocol layer of the direct communication interface;

the direct communication interface controls the identification carried in the information SCI.

Optionally, before the sending, to the relay device through the direct communication interface, the data corresponding to the specific identification information, the method further includes:

sending a direct communication interface connection establishment request message to the relay device;

wherein the direct communication interface connection establishment request message carries any one or a combination of the following: and the relay connection establishment indication information, the relay type indication information and the relay opposite communication terminal identification are used for indicating the relay equipment to forward the data received from the direct communication interface corresponding to the direct communication interface connection identification.

Optionally, the direct communication interface connection identifier is any one or a combination of the following: a direct communication interface source address, a direct communication interface destination address, a communication type.

Optionally, the direct communication interface connection identifier is carried by a MAC PDU subheader and/or direct communication interface control information SCI.

Optionally, the method further comprises:

data needing to be forwarded by the relay equipment is sent through a special direct communication interface load or a special direct communication interface logic channel; wherein the dedicated direct communication interface bearer or the dedicated direct communication interface logical channel is determined by protocol pre-configuration, protocol agreement, or interaction between the remote UE and the relay device through the direct communication interface.

second indication information for indicating a relay type;

and the third indication information is used for indicating the communication opposite end UE identification of the end-to-end communication.

Optionally, the direct communication interface specific protocol layer is an SDAP layer, a PDCP layer, an RLC layer, or a MAC layer.

In a third aspect, an embodiment of the present application provides a relay device, including a memory, a transceiver, and a processor:

a memory for storing a computer program; a transceiver for transceiving data under control of the processor; a processor for reading the computer program in the memory and performing the following operations:

Optionally, the specific identification information is any one of:

a direct communication interface connection identifier;

the direct communication interface carries or a logical channel identifier;

Optionally, if the specific identifier is a direct communication interface connection identifier, before receiving data sent by the remote UE through the direct communication interface, the operations further include:

Optionally, the operations further comprise:

second indication information for indicating a relay type;

Optionally, if it is determined that the data processing mode is data forwarding according to the specific identification information, the operations further include:

and if the relay type is relay UE-to-UE relay from the remote UE to other UEs, the relay equipment directly forwards the relay equipment to the communication opposite-end UE of the end-to-end communication of the remote UE through the direct communication interface BH bearer.

In a fourth aspect, an embodiment of the present application provides a remote UE, including a memory, a transceiver, and a processor:

Optionally, the specific identification information is any one of:

a direct communication interface connection identifier;

the direct communication interface carries or a logical channel identifier;

Optionally, the method further comprises:

second indication information for indicating a relay type;

In a fifth aspect, an embodiment of the present application provides a data processing apparatus, including:

the receiving module is used for receiving data sent by a remote user terminal UE through a direct communication interface;

the determining module is used for determining a processing mode of the data according to the specific identification information; wherein the processing mode includes forwarding data or terminating at the relay device.

In a sixth aspect, an embodiment of the present application provides a data processing apparatus, including:

the sending module is used for sending data corresponding to the specific identification information to the relay equipment through the direct communication interface; the specific identification information is used for indicating the relay device to adopt different processing modes, and the processing modes include data forwarding or termination at the relay device.

In a seventh aspect, an embodiment of the present application provides a processor-readable storage medium, where the processor-readable storage medium stores a computer program, and the computer program is configured to cause the processor to execute the data processing method provided in the first aspect or the second aspect.

According to the data processing method, the data processing equipment, the data processing device and the storage medium, after the relay equipment receives the data sent by the remote UE from the direct communication interface, the processing mode of the data is judged according to the specific identification information, the problem that the relay equipment cannot recognize whether the data is terminated at the relay equipment or the data needs to be forwarded out after receiving the data is effectively solved, the relay equipment can correctly process the data, and the communication system can be ensured to normally operate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic diagram of a cellular network communication method according to an embodiment of the present application;

fig. 2 is a schematic diagram of a direct communication manner provided by an embodiment of the present application;

fig. 3 is a schematic diagram of data forwarding from a terminal to a network device according to an embodiment of the present application;

fig. 4 is a schematic flowchart of a data processing method provided in an embodiment of the present application;

FIG. 5 is a schematic flow chart diagram of another data processing method provided in the embodiments of the present application;

FIG. 6 is a schematic flow chart diagram illustrating another data processing method provided in the embodiments of the present application;

fig. 7 is a schematic flowchart of another data processing method provided in an embodiment of the present application;

fig. 8 is a schematic flowchart of a further data processing method provided in an embodiment of the present application;

fig. 9 is a schematic structural diagram of a relay device according to an embodiment of the present application;

fig. 10 is a schematic structural diagram of a remote UE according to an embodiment of the present application;

fig. 11 is a schematic structural diagram of a data processing apparatus according to an embodiment of the present application;

fig. 12 is a schematic structural diagram of another data processing apparatus according to an embodiment of the present application.

Detailed Description

In the embodiment of the present application, the term "and/or" describes an association relationship of associated objects, and means that there may be three relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.

In the embodiments of the present application, the term "plurality" means two or more, and other terms are similar thereto.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides a data processing method, which is used for solving the problem that after receiving data, a relay device cannot identify whether the data is terminated at the relay device or the data needs to be forwarded out, so that the relay device can correctly process the data, and the normal operation of a communication system is ensured.

The method and the device are based on the same application concept, and because the principles of solving the problems of the method and the device are similar, the implementation of the device and the method can be mutually referred, and repeated parts are not repeated.

The traditional wireless communication adopts a cellular network communication mode, namely, a terminal and network equipment transmit uplink and downlink data/control information through a Uu interface. Fig. 1 is a schematic diagram of a cellular network communication method according to an embodiment of the present application; as shown in fig. 1, cellular network communication is a communication mode of network centralized control.

Fig. 2 is a schematic diagram of a direct communication manner provided by an embodiment of the present application; as shown in fig. 2, direct communication refers to a manner in which nearby terminals can perform data transmission through a direct communication link (also referred to as Sidelink or PC5) in a short range. The wireless interface corresponding to the Sidelink link is called a direct communication interface (also called a Sidelink interface or a PC5 interface); direct communication is a method of end-to-end direct communication, and data does not need to be transferred through network equipment.

To extend network coverage, one solution is to introduce relays (relays). The Relay may be a terminal having a Relay function, or may be any device having a Relay function, which is not limited in this embodiment. Fig. 3 is a schematic diagram of data forwarding from a terminal to a network device according to an embodiment of the present application; as shown in fig. 3, for a Relay UE-to-Network Relay from a remote UE to a Network side, an interface between the Relay and the Network uses a Uu interface, and an interface between a relayed UE, also referred to as a remote UE in embodiments of the present application, uses a direct communication interface. The link between the Relay and the network may be referred to as a Backhaul link (BH) for the remote UE.

For Relay UE-to-UE Relay from the remote UE to other UEs, the two relayed UEs can perform data transmission through the Relay UE.

In addition, the bearers under the relay scenario are divided into three categories:

the direct communication interface carries: i.e. the bearer between the remote UE and the relay UE;

end-to-end bearer between remote UE and network device: namely end-to-end bearing established between a remote end and network equipment;

bearer of the remote UE on the Uu interface backhaul link: i.e. the bearer between the relay UE and the network device for carrying the data of the remote UE.

Regardless of the type of bearer, the bearer and the logical channel are in one-to-one correspondence, and the logical channel has a corresponding logical channel identifier.

The present application is described in detail below with reference to several embodiments:

fig. 4 is a schematic flowchart of a data processing method provided in an embodiment of the present application, and as shown in fig. 4, the method is applied to a relay device, and includes the following steps:

step 400, receiving data sent by a remote user terminal UE through a direct communication interface;

step 410, determining a processing mode of the data according to the specific identification information; wherein the processing mode includes forwarding data or terminating at the relay device.

Specifically, relay communication (relay communication), also called relay communication, is a method for extending a communication distance. When the signal is transmitted in a wireless mode, when the distance between the transmitting end and the receiving end exceeds a certain distance, the signal attenuation is very fast, and the communication quality cannot be ensured. Therefore, at least one relay device can be arranged between the sending end and the receiving end, and the relay device can forward the signal sent by the front station to the next station, so that the communication distance can be prolonged, and better communication quality can be kept.

Specifically, the relay device may receive data sent by the remote UE through the direct communication interface, which may also be referred to as direct communication interface data; the data may be sent to the relay device by the remote UE when the remote UE performs direct communication with the relay device, or may be that the remote UE wishes to forward the data to other UEs or network devices through the relay device, so that the relay device needs to distinguish the received data, determine a processing manner for each received data, such as forwarding the data to the network device or other UEs, or terminate the data at the relay device.

Specifically, in order to enable the relay device to correctly process the received data, the specific identification information may be associated with the data, and after the relay device receives the data, the relay device may determine a processing manner of the data based on the specific identification information, such as data forwarding or termination at the relay device.

Taking the relay device as a relay UE, which may be referred to as UE2, and may be referred to as a remote UE as UE1, when the UE2 receives data sent by the UE1 from the direct communication interface, a processing manner of the data may be determined based on specific identification information corresponding to the data, such as data forwarding or termination at the UE 2.

Specifically, in this embodiment, after determining that data is to be forwarded, the relay device may determine, by receiving other instructions or information, whether a communication peer to which the data is to be forwarded is a network device or other UE, and further may determine to which UE to forward the data.

According to the data processing method provided by the embodiment of the application, after the relay device receives the data sent by the remote UE from the direct communication interface, the processing mode of the data is judged according to the specific identification information, so that the problem that the relay device cannot identify whether the data is terminated at the relay device or the data needs to be forwarded after receiving the data is effectively solved, the relay device can correctly process the data, and the communication system can be ensured to normally operate.

Optionally, based on any one of the above embodiments, the specific identification information is any one of:

a direct communication interface connection identifier;

the direct communication interface carries or a logical channel identifier;

Specifically, the specific identifier information may be a direct communication interface connection identifier, that is, different direct communication interface connection identifiers correspond to different processing manners, and after receiving data sent by the remote UE from the direct communication interface, the relay device may determine to forward the data or terminate the data at the relay device based on the direct communication interface connection identifier of the direct communication interface.

Specifically, the specific identification information may be a direct communication interface bearer or a logical channel identification, that is, data that needs to be forwarded by the relay device may be transmitted through the specific direct communication interface bearer or logical channel, when the relay device receives the data, it may determine, based on the direct communication interface bearer or the logical channel identification, that the data that is carried through the specific direct communication interface bearer or logical channel is the data that needs to be forwarded, and accordingly, the data that is determined, based on the direct communication interface bearer or the logical channel identification, to not be carried through the specific direct communication interface bearer or logical channel may be terminated at the relay device, that is, the relay device may receive the data and submit the data to its higher layer, such as a service layer.

Specifically, the specific identifier information may be an identifier carried in a PDU header of a specific protocol layer of the direct communication interface or an identifier carried in the control information SCI of the direct communication interface; specifically, the identifier carried in the PDU header of the specific protocol layer of the direct communication interface or the identifier carried in the control information SCI of the direct communication interface may be indication information for indicating the relay device to forward the data or terminate the data at the relay device.

Optionally, based on any of the above embodiments, before the receiving, through the direct communication interface, the data sent by the remote UE, if the specific identifier is a direct communication interface connection identifier, the method further includes:

Specifically, if the specific identifier is a direct communication interface connection identifier, the relay device may first obtain a correspondence between the direct communication interface connection identifier and the processing manner, and specifically, the relay device may obtain the correspondence when receiving a direct communication interface connection establishment request message sent by the remote UE.

Specifically, after receiving the direct communication interface connection establishment request message sent by the remote UE, the relay device may further obtain information carried in the direct communication interface connection establishment request message, and if the relay device finds that the direct communication interface connection establishment request message carries any one of the following items or a combination thereof: and the relay connection establishment indication information, the relay type indication information and the communication opposite terminal identifier of the relay can determine that the data received from the direct communication interface corresponding to the direct communication interface connection identifier needs to be forwarded.

Specifically, if the relay device finds that the direct communication interface connection establishment request message carries relay connection establishment indication information, it may be determined that data received from the direct communication interface corresponding to the direct communication interface connection identifier needs to be forwarded;

specifically, if the relay device finds that the direct communication interface connection establishment request message carries relay type indication information, where the relay type may be a relay UE-to-Network relay from the remote UE to the Network side or a relay UE-to-UE relay from the remote UE to another UE, it may determine that data received from the direct communication interface corresponding to the direct communication interface connection identifier needs to be forwarded, and further determine whether to forward the data to the Network device or to the another UE;

specifically, if the relay device finds that the direct communication interface connection establishment request message carries a communication peer identifier of the relay, it may be determined that data received from the direct communication interface corresponding to the direct communication interface connection identifier needs to be forwarded to another UE, and further determine an identity of the communication peer UE.

Optionally, based on any one of the above embodiments, the method further includes:

and the high layer of the relay equipment informs the access network related protocol layer of the relay equipment of the corresponding relation between the direct communication interface connection identifier and the processing mode. The reason why the high layer of the relay device informs the corresponding relation between the direct communication interface connection identifier and the processing mode to the access network related protocol layer of the relay device is to facilitate the access network protocol layer to correctly judge the data processing mode.

Specifically, after acquiring the correspondence between the direct communication interface connection identifier and the processing method, the higher layer of the relay device may notify the access network related protocol layer of the correspondence between the direct communication interface connection identifier and the processing method. The access network related protocol layer may be, but is not limited to, an RLC layer, or a MAC layer.

Specifically, taking the direct communication interface as the PC5 interface as an example, if the PC5 interface connection establishment is the PC5-S connection, the higher layer of the relay device is the PC5-S protocol layer, and if the PC5 interface connection establishment is the PC5-RRC connection, the higher layer of the relay device is the RRC protocol layer.

Optionally, based on any of the above embodiments, the direct communication interface connection identifier is any one of or a combination of the following: a direct communication interface source address, a direct communication interface destination address, and a communication type.

Specifically, the direct communication interface connection identifier may be a direct communication interface source address, a direct communication interface destination address, or a communication type.

Taking the example that the direct communication interface connection identifier is a combination of a source address and a destination address of the direct communication interface, if the relay device determines that the data corresponding to the combination of the source address and the destination address of the direct communication interface needs to be forwarded, the relay device receives the data corresponding to the combination of the source address and the destination address of the direct communication interface later, and determines that the data needs to be forwarded.

Optionally, based on any of the above embodiments, the direct communication interface connection identifier may be, but is not limited to be, carried by a MAC PDU subheader and/or direct communication interface control information SCI.

Specifically, the direct communication interface connection identifier may be carried in the MAC PDU subheader, or may be carried in the direct communication interface control information SCI, or may be carried in part in the MAC PDU subheader and in part in the direct communication interface control information SCI.

Specifically, if the specific identifier information is a direct communication interface bearer or a logical channel identifier, the remote UE may send data to be forwarded by the relay device to the relay device through a dedicated direct communication interface bearer or a dedicated direct communication interface logical channel on the direct communication interface; the relay device may determine, based on the direct communication interface bearer or the logical channel identification, an identity of the dedicated direct communication interface bearer or the dedicated direct communication interface logical channel, and determine that data received via the dedicated direct communication interface bearer or the dedicated direct communication interface logical channel needs to be forwarded.

In addition, if the relay device determines that the direct communication interface bearer or the logical channel corresponding to the data is not the dedicated direct communication interface bearer or the dedicated direct communication interface logical channel, it may be determined that the data is terminated at the relay device, that is, the relay device may receive the data and deliver the data to its higher layer, such as a service layer.

Optionally, based on any of the foregoing embodiments, the identifier carried in the PDU header of the specific protocol layer of the direct communication interface or the identifier carried in the control information SCI of the direct communication interface includes indication information, where the indication information includes any one of or a combination of the following:

second indication information for indicating a relay type;

Specifically, if the specific identifier is an identifier carried in a PDU header of the specific protocol layer of the direct communication interface or an identifier carried in the control information SCI of the direct communication interface, the relay device may first obtain the identifier carried in the PDU header of the specific protocol layer of the direct communication interface or the indication information carried in the identifier carried in the control information SCI of the direct communication interface.

Specifically, after receiving the data sent by the remote UE, the relay device may obtain an identifier carried in a PDU header of a specific protocol layer of the direct communication interface or an identifier carried in the control information SCI of the direct communication interface, and further obtain indication information included therein, such as the first indication information, the second indication information, or the third indication information, and then determine to forward or terminate the received data to the relay device based on the indication information.

Specifically, if the first indication information is obtained, it may be determined to perform data forwarding on data received from the remote UE or terminate at the relay device based on the first indication information;

specifically, if the second indication information is obtained, it may be determined to forward data received from the remote UE based on the second indication information; further determining a relay type, where the relay type may be a relay UE-to-Network relay from the remote UE to the Network side or a relay UE-to-UE relay from the remote UE to another UE, that is, determining that data received from a direct communication interface corresponding to the direct communication interface connection identifier needs to be forwarded, and further determining whether to forward the data to the Network device or to forward the data to another UE;

specifically, if the third indication information is obtained, the identifier of the UE at the opposite end of communication of the remote UE for end-to-end communication may be determined based on the third indication information, and it may be determined that data received from the direct communication interface corresponding to the direct communication interface connection identifier needs to be forwarded to other UEs, and the identity of the UE at the opposite end of communication may be determined.

Optionally, based on any of the above embodiments, the direct communication interface specific protocol layer is an SDAP layer, a PDCP layer, an RLC layer, or a MAC layer.

Specifically, the direct communication interface specific protocol layer may be an SDAP layer, a PDCP layer, an RLC layer, or a MAC layer.

Optionally, based on any one of the above embodiments, if it is determined that the data processing manner is data forwarding according to the specific identification information, the method further includes:

Specifically, after determining that the data is processed in a manner of data forwarding, the relay device may further determine a relay type corresponding to the data, and the specific determination manner is not limited to this and may be based on an instruction of the remote UE or based on other information.

Specifically, if the relay device determines that the relay type corresponding to the data sent by the remote UE is a relay UE-to-Network relay from the remote UE to the Network side, the data may be forwarded to the Network through a Uu interface BH bearer;

specifically, if the relay device determines that the relay type corresponding to the data sent by the remote UE is a relay UE-to-UE relay from the remote UE to another UE, the data may be forwarded to a communication peer UE of the remote UE for end-to-end communication through a direct communication interface BH bearer.

According to the data processing method provided by the embodiment of the application, after the relay device receives the data sent by the remote UE from the direct communication interface, the processing mode of the data is judged according to the specific identification information, so that the problem that the relay device cannot identify whether the data is terminated at the relay device or the data needs to be forwarded by the relay device after receiving the data is effectively solved, the relay device can correctly process the data, and the normal operation of a communication system is ensured.

Fig. 5 is a schematic flow chart of another data processing method provided in the embodiment of the present application, and as shown in fig. 5, the method includes the following steps:

step 500, sending data corresponding to the specific identification information to the relay device through the direct communication interface; the specific identification information is used for indicating the relay device to adopt different processing modes, and the processing modes include data forwarding or termination at the relay device.

Specifically, the remote UE may send data to the relay device through the direct communication interface, where the data may be sent to the relay device by the remote UE when communicating with the relay device, or may be that the remote UE wishes to forward the data to other UEs or network devices through the relay device, and therefore, the relay device needs to distinguish the received data, determine a processing manner of each received data, such as forwarding the data to the network device or other UEs, or terminate the data at the relay device.

Specifically, in order to enable the relay device to correctly process the received data, the specific identification information may be associated with the data when the data is transmitted to the relay device, and after the relay device receives the data, the relay device may determine a processing manner of the data based on the specific identification information, such as data forwarding or termination at the relay device.

Taking the relay device as a relay UE, which may be referred to as UE2, and may be referred to as a remote UE as UE1, when the UE1 transmits data to the UE2 from the direct communication interface, the UE2 may determine a processing manner of the data based on specific identification information corresponding to the data, such as data forwarding or terminating at the UE 2.

Specifically, in this embodiment, after determining that data is to be forwarded, the relay device may determine, by receiving other subsequent instructions or information, whether a communication peer to which the data needs to be forwarded is a network device or other UE, and further may determine to which UE to forward the data.

According to the data processing method provided by the embodiment of the application, when the data is sent to the relay device from the direct communication interface, the data corresponds to the specific identification information, so that the relay device judges the data processing mode based on the specific identification information, the problem that the relay device cannot identify whether the data is terminated at the relay device or the data needs to be forwarded by the relay device after receiving the data is effectively solved, the relay device can correctly process the data, and the communication system can normally operate.

a direct communication interface connection identifier;

the direct communication interface carries or a logical channel identifier;

Specifically, the specific identification information may be a direct communication interface connection identification, that is, different direct communication interface connection identifications correspond to different processing manners. The remote UE may transmit data based on a direct communication interface when sending the data, where a processing manner corresponding to a direct communication interface connection identifier of the direct communication interface is to forward the data or terminate at the relay device. After receiving the data sent by the remote UE from the direct communication interface, the relay device may determine to forward the data or terminate the data at the relay device based on the direct communication interface connection identifier of the direct communication interface.

Specifically, the specific identification information may be a direct communication interface bearer or a logical channel identification, that is, the remote UE may transmit data to be forwarded by the relay device through the specific direct communication interface bearer or logical channel, and when receiving the data, the relay device may determine, based on the direct communication interface bearer or the logical channel identification, that the data transmitted through the specific direct communication interface bearer or logical channel is the data to be forwarded, and accordingly, the data determined, based on the direct communication interface bearer or the logical channel identification, that is not transmitted through the specific direct communication interface bearer or logical channel may be terminated at the relay device, that is, the relay device may receive the data and deliver the data to its higher layer, such as a service layer.

Optionally, based on any one of the above embodiments, before sending, to the relay device through the direct communication interface, data corresponding to the specific identification information, the method further includes:

Specifically, if the specific identifier is a direct communication interface connection identifier, the relay device may first obtain a correspondence between the direct communication interface connection identifier and the processing method, and specifically, the remote UE may notify the relay device of the correspondence between the direct communication interface connection identifier and the processing method when sending the direct communication interface connection establishment request message to the relay device.

Specifically, the remote UE may send a direct communication interface connection establishment request message to the relay device, where the direct communication interface connection establishment request message may include relay connection establishment indication information, relay type indication information, or a communication peer identifier of the relay, and if the relay device finds that the direct communication interface connection establishment request message carries any one of the above information after receiving the direct communication interface connection establishment request message, it may be determined that data received from a direct communication interface corresponding to the direct communication interface connection identifier needs to be forwarded.

specifically, if the relay device finds that the direct communication interface connection establishment request message carries the identifier of the opposite communication terminal of the relay, it may be determined that data received from the direct communication interface corresponding to the direct communication interface connection identifier needs to be forwarded to other UEs, and further determine the identity of the opposite communication terminal UE.

Optionally, based on any of the above embodiments, the direct communication interface connection identifier is any one of or a combination of the following: a direct communication interface source address, a direct communication interface destination address, a communication type.

Taking the direct communication interface connection identifier as an example of a direct communication interface source address, when sending a direct communication interface connection establishment request message, the remote UE sends the direct communication interface connection establishment request message based on the direct communication interface source address, and after receiving the direct communication interface connection establishment request message, the relay device determines that the data needs to be forwarded if determining that the processing mode corresponding to the direct communication interface source address is data forwarding, and then receives data corresponding to the direct communication interface source address.

Optionally, based on any of the above embodiments, the direct communication interface connection identifier is carried by a MAC PDU subheader and/or direct communication interface control information SCI.

Specifically, if the specific identifier information is a direct communication interface bearer or a logical channel identifier, the relay device may receive, at the direct communication interface, data that is sent by the remote UE and needs to be forwarded by the relay device, through a dedicated direct communication interface bearer or a dedicated direct communication interface logical channel; wherein the relay device may determine an identity of the dedicated direct communication interface bearer or the dedicated direct communication interface logical channel based on the direct communication interface bearer or the logical channel identification.

Specifically, when the relay device receives data, if it is determined that a direct communication interface bearer or a logical channel for data transmission is a dedicated direct communication interface bearer or a dedicated direct communication interface logical channel for transmission, it may determine that the data is data to be forwarded, and accordingly, if it is determined that the direct communication interface bearer or the logical channel for data transmission is not a dedicated direct communication interface bearer or a dedicated direct communication interface logical channel for transmission, it may be determined that the data terminates at the relay device, that is, the relay device may receive the data and deliver the data to its own higher layer, such as a service layer.

second indication information for indicating a relay type;

If the specific identifier is an identifier carried in a PDU header of the specific protocol layer of the direct communication interface or an identifier carried in the control information SCI of the direct communication interface, the relay device may first obtain the identifier carried in the PDU header of the specific protocol layer of the direct communication interface or the indication information carried in the identifier carried in the control information SCI of the direct communication interface.

Specifically, when the remote UE transmits data to the relay device, the indication information, such as the first indication information, the second indication information, or the third indication information, may be transmitted to the relay device through an identifier carried in a PDU header of a specific protocol layer of the direct communication interface or an identifier carried in the control information SCI of the direct communication interface, and then it may be determined to forward or terminate the received data to the relay device based on the indication information.

Specifically, if the remote UE transmits the first indication information to the relay device, the relay device may determine to forward data received from the remote UE or terminate the data in the relay device based on the first indication information;

specifically, if the remote UE transmits the second indication information to the relay device, the relay device may determine to forward the data received from the remote UE based on the second indication information; further determining a relay type, where the relay type may be a relay UE-to-Network relay from the remote UE to the Network side or a relay UE-to-UE relay from the remote UE to another UE, that is, determining that data received from a direct communication interface corresponding to the direct communication interface connection identifier needs to be forwarded, and further determining whether to forward the data to the Network device or to forward the data to another UE;

specifically, if the third indication information is transmitted from the remote UE to the relay device, the relay device may determine, based on the third indication information, a communication peer UE identifier of the remote UE for end-to-end communication, and may determine that data received from the direct communication interface corresponding to the direct communication interface connection identifier needs to be forwarded to another UE, and may determine an identity of the communication peer UE.

According to the data processing method provided by the embodiment of the application, when the data is sent to the relay device from the direct communication interface, the data corresponds to the specific identification information, so that the relay device judges the data processing mode based on the specific identification information, the problem that the relay device cannot recognize whether the data is terminated at the relay device or the data needs to be forwarded by the relay device after receiving the data is effectively solved, the relay device can correctly process the data, and the communication system can normally operate.

Fig. 6 is a schematic flow chart of another data processing method provided in the embodiment of the present application, and as shown in fig. 6, the method includes the following steps:

step 600, establishing a connection of a direct communication interface between the remote UE and the relay device;

specifically, the remote UE sends a direct communication interface connection establishment request message to the relay device; taking the direct communication interface as the PC5 interface as an example, if the relay device is a terminal with a relay function, which may be called UE2, and may be called remote UE as UE1, the connection establishment request message may be a PC5-S message or a PC5-RRC message; when the UE1 sends a PC5 connection establishment request message to the UE2, the connection establishment request message may be a PC5-S message or a PC5-RRC message; if the specific identifier information is a direct communication interface connection identifier, the PC5 connection setup message request message may carry one or a combination of the following indication information:

(1) carrying relay connection establishment indication information;

(2) carrying relay type indication information, wherein the relay type can be a relay UE-to-Network relay from a remote UE to a Network side or a relay UE-to-UE relay from the remote UE to other UEs;

(3) and carrying the communication opposite terminal identification (suitable for UE-to-UE relay) of the relay.

Step 610, the relay device determines the corresponding relation between the specific identification information and the processing mode;

specifically, after receiving a direct communication interface connection establishment message request message, the relay device may determine, based on indication information carried in the request message, that specific identification information corresponding to the direct communication interface, that is, a processing mode corresponding to a direct communication interface connection identification, is to forward data; wherein, the direct communication interface connection identifier may be any one of the following: a direct communication interface source address, a direct communication interface destination address and a communication type;

the higher layer of the relay device may notify the access network related protocol layer of the correspondence between the specific identifier and the processing manner, where the access network related protocol layer may be, but is not limited to, an RLC layer.

Step 620, the remote UE sends direct communication interface data to the relay device through the direct communication interface;

specifically, after the remote UE and the relay device successfully establish the direct communication interface, the remote UE may send data to the relay device; for example, if the data is to be forwarded by the relay device, and the relay type is a relay UE-to-Network relay from the remote UE to the Network side, the data may be an RRC connection setup request message, and if the data is to be forwarded by the relay device, and the relay type is a relay UE-to-UE relay from the remote UE to another UE, the data may be a relay connection setup request message.

Step 630, the relay device determines the processing mode of the direct communication interface data;

specifically, for a relay device, such as a UE with a relay function, after receiving data from the direct communication interface, it determines whether the data needs to be forwarded according to the specific identification information determined in step 610. If the data is judged not to be forwarded, the transmission of the data is terminated at the relay equipment. If the forwarding is needed, go to step 640.

Step 640, forward the data.

Specifically, the relay device may determine a data type corresponding to the data.

For the relay UE-to-Network relay from the remote UE to the Network side, if the relay equipment judges that the data needs to be forwarded, the data is forwarded to the Network through the default BH bearer through the Uu interface.

For relay UE-to-UE relay from the remote UE to other UEs, if the relay equipment judges that the data needs to be forwarded, the data is directly forwarded to the target UE corresponding to the data through the default bearer of the direct communication interface.

Fig. 7 is a schematic flowchart of another data processing method provided in an embodiment of the present application, and as shown in fig. 7, the method includes the following steps:

step 700, establishing a connection of a direct communication interface between the remote UE and the relay device;

specifically, the remote UE sends a direct communication interface connection establishment request message to the relay device; taking the direct communication interface as the PC5 interface as an example, if the relay device is a terminal with a relay function, which may be called UE2, and may be called remote UE as UE1, the connection establishment request message may be a PC5-S message or a PC5-RRC message; when the UE1 sends a PC5 connection establishment request message to the UE2, the connection establishment request message may be a PC5-S message or a PC5-RRC message; this step may follow the existing PC5-S connection establishment procedure or other PC5-RRC connection establishment procedures that may be introduced.

Step 710, the remote UE sends direct communication interface data to the relay device through the direct communication interface;

specifically, the direct communication interface may introduce a dedicated direct communication interface bearer RB (Radio bearer, such as a dedicated SL SRB) or a dedicated direct communication interface logical channel, for carrying a relay UE-to-Network relay connection establishment request message or direct communication interface data sent by the remote UE from the remote UE to the Network side or from the remote UE to other UEs. Different dedicated direct communication interfaces can be used for carrying the SL SRB or the dedicated direct communication interface logical channel aiming at the relay UE-to-Network relay from the remote UE to the Network side and the relay UE-to-UE relay from the remote UE to other UE.

Step 720, the relay device determines the processing mode of the direct communication interface data;

in this embodiment, after receiving the direct communication interface data, the relay device may determine, based on the direct communication interface bearer or the logical channel, that the direct communication interface bearer or the logical channel for transmitting the data is a dedicated direct communication interface bearer or a dedicated direct communication interface logical channel, and may determine that the data needs to be forwarded; then go to step 730;

if it is determined that the direct communication interface bearer or the logical channel for transmitting the data is not the dedicated direct communication interface bearer or the dedicated direct communication interface logical channel, it is determined that the data does not need to be forwarded, and the transmission of the data is terminated at the relay device.

Step 730, forward the data.

Fig. 8 is a schematic flow chart of another data processing method provided in an embodiment of the present application, and as shown in fig. 8, the method includes the following steps:

step 800, establishing a connection of a direct communication interface between the remote UE and the relay equipment;

Step 810, the remote UE sends direct communication interface data to the relay device through the direct communication interface;

specifically, after the remote UE and the relay device successfully establish the direct communication interface, the remote UE may send data to the relay device; the remote UE may send the indication information to the relay device through an identifier carried in a PDU header of a specific protocol layer of the direct communication interface or an identifier carried in control information SCI of the direct communication interface, where the protocol layer may be an SDAP layer, a PDCP layer, an RLC layer, or an MAC layer. Wherein the indication information may include any one or a combination of the following:

first indication information for indicating whether the processing mode is data forwarding or termination at the relay device; the information can be 1bit, and indicates that the processing mode is to be terminated in the relay equipment or needs to be forwarded;

second indication information for indicating a relay type; the information can be a plurality of bits, and indicates whether the relay type is a relay UE-to-Network relay (needing to be forwarded to the Network) from the remote UE to the Network side or a relay UE-to-UE relay (needing to be forwarded to other UEs) from the remote UE to other UEs;

third indication information, configured to indicate a communication peer UE identity of the end-to-end communication of the remote UE; the information which can be a plurality of bits carries the communication opposite end UE identification of the end-to-end communication of the remote end UE; the method is suitable for UE-to-UE relay.

specifically, after receiving the direct communication data, the relay device may determine, according to the indication information, that the data needs to be forwarded or terminate at the relay device;

if the relay device determines that the data needs to be forwarded, the process goes to step 830;

if the relay device determines that the data does not need to be forwarded, the transmission of the data is terminated at the relay device.

Step 830, forward the data.

The technical scheme provided by the embodiment of the application can be suitable for various systems, particularly 5G systems. For example, the applicable system may be a global system for mobile communication (GSM) system, a Code Division Multiple Access (CDMA) system, a Wideband Code Division Multiple Access (WCDMA) General Packet Radio Service (GPRS) system, a long term evolution (long term evolution, LTE) system, an LTE Frequency Division Duplex (FDD) system, an LTE Time Division Duplex (TDD) system, an LTE-a (long term evolution) system, a universal mobile system (universal mobile telecommunications system, UMTS), a Worldwide Interoperability for Mobile Access (WiMAX) system, a New Radio network (NR 5) system, etc. These various systems include terminal devices and network devices. The System may further include a core network portion, such as an Evolved Packet System (EPS), a 5G System (5GS), and the like.

The terminal referred to in the embodiments of the present application may refer to a device providing voice and/or data connectivity to a user, a handheld device having a wireless connection function, or other processing device connected to a wireless modem. In different systems, the names of terminals may be different, for example, in a 5G system, a terminal may be called a User Equipment (UE). A wireless terminal device, which may be a mobile terminal device such as a mobile telephone (or "cellular" telephone) and a computer having a mobile terminal device, for example, a portable, pocket, hand-held, computer-included, or vehicle-mounted mobile device, may communicate with one or more Core Networks (CNs) via a Radio Access Network (RAN). Examples of such devices include Personal Communication Service (PCS) phones, cordless phones, Session Initiation Protocol (SIP) phones, Wireless Local Loop (WLL) stations, and Personal Digital Assistants (PDAs). The wireless terminal device may also be referred to as a system, a subscriber unit (subscriber unit), a subscriber station (subscriber station), a mobile station (mobile), a remote station (remote station), an access point (access point), a remote terminal device (remote terminal), an access terminal device (access terminal), a user terminal device (user terminal), a user agent (user agent), and a user device (user device), which are not limited in this embodiment of the present application.

The base station according to the embodiment of the present application may include a plurality of cells for serving a terminal. A base station may also be referred to as an access point, or a device in an access network that communicates over the air-interface, through one or more sectors, with wireless terminal devices, or by other names, depending on the particular application. The base station may be configured to exchange received air frames with Internet Protocol (IP) packets as a router between the wireless terminal device and the rest of the access network, which may include an Internet Protocol (IP) communications network. The base station may also coordinate management of attributes for the air interface. For example, the network device according to the embodiment of the present application may be a Base Transceiver Station (BTS) in a Global System for Mobile communications (GSM) or a Code Division Multiple Access (CDMA), may be a network device (NodeB) in a Wideband Code Division Multiple Access (WCDMA), may be an evolved Node B (eNB or e-NodeB) in a Long Term Evolution (LTE) System, may be a 5G Base Station (gbb) in a 5G network architecture (next evolution System), may be a Home evolved Node B (HeNB), a relay Node (relay Node), a Home Base Station (femto), a pico Base Station (pico Base Station), and the like, which are not limited in the embodiments of the present application. In some network configurations, a base station may include a Centralized Unit (CU) node and a Distributed Unit (DU) node, which may also be geographically separated.

Fig. 9 is a schematic structural diagram of a relay device provided in an embodiment of the present application, and as shown in fig. 9, the base station includes a memory 901, a transceiver 902, and a processor 903, where:

the memory 901 is used for storing computer programs; a transceiver 902 for transceiving data under control of the processor; the processor 903 is used for reading the computer program in the memory and executing the following operations:

A transceiver 902 for receiving and transmitting data under the control of the processor 903.

Where in fig. 9 the bus architecture may include any number of interconnected buses and bridges, in particular one or more processors represented by the processor 903 and various circuits of the memory represented by the memory 901 are linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 902 may be a plurality of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over transmission media including wireless channels, wired channels, fiber optic cables, and the like. For different user devices, the user interface 904 may also be an interface capable of interfacing with a desired device externally, including but not limited to a keypad, display, speaker, microphone, joystick, etc.

The processor 903 is responsible for managing the bus architecture and general processing, and the memory 901 may store data used by the processor 903 in performing operations.

Alternatively, the processor 903 may be a CPU (central processing unit), an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array), or a CPLD (Complex Programmable Logic Device), and the processor may also have a multi-core architecture.

The processor is used for executing any one of the methods provided by the embodiment of the application according to the obtained executable instructions by calling the computer program stored in the memory. The processor and memory may also be physically separated.

It should be noted that, the apparatus provided in the embodiment of the present invention can implement all the method steps implemented by the method embodiment and achieve the same technical effect, and detailed descriptions of the same parts and beneficial effects as the method embodiment in this embodiment are omitted here.

Optionally, based on any one of the above embodiments, the specific identification information is any one of: a direct communication interface connection identifier;

the direct communication interface carries or a logical channel identifier;

Specifically, the device provided in the embodiment of the present application can implement all the method steps implemented by the method embodiment and achieve the same technical effects, and details of the same parts and beneficial effects as those of the method embodiment in this embodiment are not repeated herein.

Optionally, based on any of the above embodiments, if the specific identifier is a direct communication interface connection identifier, before the receiving, through the direct communication interface, data sent by the remote UE, the operations further include:

Optionally, based on any one of the above embodiments, the operations further include:

second indication information for indicating a relay type;

Optionally, based on any of the above embodiments, if it is determined that the data processing manner is data forwarding according to the specific identification information, the operations further include:

Fig. 10 is a schematic structural diagram of a remote UE according to an embodiment of the present application, and as shown in fig. 10, the base station includes a memory 1001, a transceiver 1002, and a processor 1003, where:

the memory 1001 is used for storing computer programs; a transceiver 1002 for transceiving data under control of the processor; the processor 1003 is configured to read the computer program in the memory and execute the following operations:

A transceiver 1002 for receiving and transmitting data under the control of the processor 1003.

Where in fig. 10 the bus architecture may include any number of interconnected buses and bridges, with one or more processors represented by processor 1003 and various circuits of memory represented by memory 1001 being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 1002 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over transmission media including wireless channels, wired channels, optical fiber cables, and the like. The user interface 1004 may also be an interface capable of interfacing with a desired device for different user devices, including but not limited to a keypad, display, speaker, microphone, joystick, etc.

The processor 1003 is responsible for managing the bus architecture and general processing, and the memory 1001 may store data used by the processor 1003 when performing operations.

Optionally, the processor 1003 may be a CPU (central processing unit), an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array), or a CPLD (Complex Programmable Logic Device), and the processor may also adopt a multi-core architecture.

It should be noted that, the apparatus provided in the embodiment of the present application can implement all the method steps implemented by the method embodiment and achieve the same technical effect, and detailed descriptions of the same parts and beneficial effects as the method embodiment in this embodiment are omitted here.

the direct communication interface carries or a logical channel identifier;

second indication information for indicating a relay type;

Fig. 11 is a schematic structural diagram of a data processing apparatus according to an embodiment of the present application, and as shown in fig. 11, the data processing apparatus includes: a receiving module 1110 and a determining module 1120; wherein:

the receiving module 1110 is configured to receive data sent by a remote UE through a direct communication interface;

the determining module 1120 is configured to determine a processing manner of the data according to the specific identification information; wherein the processing mode includes forwarding data or terminating at the relay device.

Specifically, after receiving data sent by the remote user equipment UE through the receiving module 1110 based on the direct communication interface, the data processing apparatus determines a processing manner of the data, such as data forwarding or termination at the relay device, through the determining module 1120 according to the specific identification information.

According to the data processing device provided by the embodiment of the application, after the relay device receives the data sent by the remote UE from the direct communication interface, the processing mode of the data is judged according to the specific identification information, so that the problem that the relay device cannot identify whether the data is terminated in the relay device or the data needs to be forwarded out after receiving the data is effectively solved, the relay device can correctly process the data, and the normal operation of a communication system is ensured.

It should be noted that the apparatus provided in the embodiment of the present application can implement all the method steps implemented by the method embodiment and achieve the same technical effect, and detailed descriptions of the same parts and beneficial effects as the method embodiment in this embodiment are omitted here.

Fig. 12 is a schematic structural diagram of another data processing apparatus according to an embodiment of the present application, and as shown in fig. 12, the data processing apparatus includes: a sending module 1210; wherein:

the sending module 1210 is configured to send data corresponding to the specific identification information to the relay device through the direct communication interface; the specific identification information is used for indicating the relay device to adopt different processing modes, and the processing modes include data forwarding or termination at the relay device.

Specifically, the data processing apparatus sends data corresponding to the specific identification information to the relay device through the sending module 1210 based on the direct communication interface, so as to instruct the relay device to adopt different processing manners, such as data forwarding or termination at the relay device.

The data processing apparatus provided in the embodiment of the application corresponds the data to the specific identification information when sending the data to the relay device from the direct communication interface, so that the relay device determines a data processing mode based on the specific identification information, thereby effectively solving the problem that the relay device cannot recognize whether the data is terminated in the relay device or the data needs to be forwarded by the relay device after receiving the data, realizing correct processing of the data by the relay device, and ensuring that the communication system can normally operate.

It should be noted that the division of the unit in the embodiment of the present application is schematic, and is only a logic function division, and there may be another division manner in actual implementation. In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.

The integrated unit, if implemented as a software functional unit and sold or used as a stand-alone product, may be stored in a processor readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.

Based on any one of the foregoing embodiments, an embodiment of the present application further provides a processor-readable storage medium, where the processor-readable storage medium stores a computer program, where the computer program is configured to cause the processor to execute the method provided in each of the foregoing embodiments, and for example, the method includes:

In the processor-readable storage medium provided in this embodiment, the computer program stored thereon enables the processor to implement all the method steps implemented by the foregoing method embodiments, and achieve the same technical effects, and detailed descriptions of the same parts and beneficial effects as those of the method embodiments are omitted here.

The processor-readable storage medium can be any available medium or data storage device that can be accessed by a processor, including, but not limited to, magnetic memory (e.g., floppy disks, hard disks, magnetic tape, magneto-optical disks (MOs), etc.), optical memory (e.g., CDs, DVDs, BDs, HVDs, etc.), and semiconductor memory (e.g., ROMs, EPROMs, EEPROMs, non-volatile memory (NAND FLASH), Solid State Disks (SSDs)), etc.

As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.

The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer-executable instructions. These computer-executable instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These processor-executable instructions may also be stored in a processor-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the processor-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These processor-executable instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. A data processing method applied to a relay device is characterized by comprising the following steps:

2. The data processing method according to claim 1, wherein the specific identification information is any one of:

a direct communication interface connection identifier;

the direct communication interface carries or a logical channel identifier;

the identification carried in the protocol data unit PDU header of the specific protocol layer of the direct communication interface;

3. The data processing method according to claim 2, wherein if the specific identifier is a direct communication interface connection identifier, before receiving data sent by a remote UE through a direct communication interface, the method further comprises:

4. The data processing method of claim 3, wherein the method further comprises:

5. A data processing method according to claim 3, wherein the direct communication interface connection identifier is any one or a combination of: a direct communication interface source address, a direct communication interface destination address, and a communication type.

6. The data processing method according to claim 3, wherein the direct communication interface connection ID is carried by a media Access control layer MAC PDU subheader and/or direct communication interface control information SCI.

7. The method of claim 2, further comprising:

8. The data processing method according to claim 2, wherein the identifier carried in the PDU header of the specific protocol layer of the direct communication interface or the identifier carried in the control information SCI of the direct communication interface comprises indication information, and the indication information comprises any one or a combination of the following:

second indication information for indicating a relay type;

9. The data processing method of claim 8, wherein the direct communication interface specific protocol layer is a service data adaptation protocol, SDAP, packet data convergence protocol, PDCP, radio Link control, RLC, or MAC layer.

10. The data processing method according to any one of claims 1 to 9, wherein if it is determined that the data is processed in a data forwarding manner according to the specific identification information, the method further includes:

11. A data processing method, comprising:

12. The data processing method according to claim 11, wherein the specific identification information is any one of:

a direct communication interface connection identifier;

the direct communication interface carries or a logical channel identifier;

13. The data processing method of claim 12, wherein before the sending the data corresponding to the specific identification information to the relay device via the direct communication interface, the method further comprises:

14. The data processing method of claim 13, wherein the direct communication interface connection identifier is any one or a combination of the following: a direct communication interface source address, a direct communication interface destination address, a communication type.

15. The data processing method according to claim 13, wherein the direct communication interface connection id is carried by a MAC PDU subheader and/or direct communication interface control information SCI.

16. The data processing method of claim 12, wherein the method further comprises:

17. The data processing method according to claim 12, wherein the identifier carried in the PDU header of the specific protocol layer of the direct communication interface or the identifier carried in the control information SCI of the direct communication interface comprises indication information, and the indication information comprises any one or a combination of the following:

second indication information for indicating a relay type;

18. The data processing method of claim 17, wherein the direct communication interface specific protocol layer is an SDAP layer, a PDCP layer, an RLC layer, or a MAC layer.

19. A relay device, comprising a memory, a transceiver, and a processor:

20. The relay device according to claim 19, wherein the specific identification information is any one of:

a direct communication interface connection identifier;

the direct communication interface carries or a logical channel identifier;

21. The relay device according to claim 20, wherein if the specific identifier is a direct communication interface connection identifier, before receiving data transmitted by a remote UE via a direct communication interface, the operations further comprise:

22. The relay device of claim 21, wherein the operations further comprise:

23. The relay device of claim 21, wherein the direct communication interface connection identifier is any one or a combination of: a direct communication interface source address, a direct communication interface destination address, and a communication type.

24. The relay device according to claim 21, wherein said direct communication interface connection id is carried by MAC PDU subheader and/or direct communication interface control information SCI.

25. The relay device of claim 20, wherein the operations further comprise:

26. The relay device according to claim 20, wherein the indication information is included in an identifier carried in a PDU header of a direct communication interface specific protocol layer or an identifier carried in direct communication interface control information SCI, and the indication information includes any one or a combination of the following:

second indication information for indicating a relay type;

27. The relay device of claim 26, wherein the direct communication interface specific protocol layer is a SDAP layer, a PDCP layer, an RLC layer, or a MAC layer.

28. The relay device according to any one of claims 19 to 27, wherein if it is determined that the data is processed in a data forwarding manner according to the specific identification information, the operations further comprise:

29. A remote UE, comprising a memory, a transceiver, and a processor:

30. The remote UE of claim 29, wherein the specific identity information is any one of:

a direct communication interface connection identifier;

the direct communication interface carries or a logical channel identifier;

31. The remote UE of claim 30, wherein before sending the data corresponding to the specific identification information to the relay device via the direct communication interface, the method further comprises:

32. The remote UE of claim 31, wherein the direct communication interface connection identifier is any one or a combination of: a direct communication interface source address, a direct communication interface destination address, a communication type.

33. The remote UE of claim 31, wherein the direct communication interface connection id is carried by a MAC PDU subheader and/or direct communication interface control information SCI.

34. The remote UE of claim 30, wherein the method further comprises:

35. The remote UE of claim 30, wherein the identifier carried in the PDU header of the direct communication interface specific protocol layer or the identifier carried in the direct communication interface control information SCI comprises indication information, and wherein the indication information comprises any one or a combination of the following:

second indication information for indicating a relay type;

36. The remote UE of claim 35, wherein the direct communication interface specific protocol layer is a SDAP layer, a PDCP layer, an RLC layer, or a MAC layer.

37. A data processing apparatus, comprising:

38. A data processing apparatus, comprising:

39. A processor-readable storage medium, characterized in that the processor-readable storage medium stores a computer program for causing a processor to execute the data processing method of any one of claims 1 to 18.