CN114390633B - Signal relay transmission method, device, equipment and readable storage medium - Google Patents
Signal relay transmission method, device, equipment and readable storage medium Download PDFInfo
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Abstract
The invention provides a signal relay transmission method, a device, equipment and a readable storage medium, which relate to the technical field of wireless communication, wherein the signal relay transmission method comprises the steps of establishing a network element starting from a core network, and establishing a first bearing channel which is connected with a port Un of a relay node and terminates at a user node; based on the first bearing channel, sending a scheduling instruction to the relay node, wherein the scheduling instruction is used for indicating target information which needs to be transmitted by the user node, and the target information comprises called uplink data or downlink data initiated by the base station node; therefore, the relay technology is realized by the base station node based on the cascade scheduling of the first bearing channel to the relay node, the problem that the existing relay transmission affects the current network core network can be avoided, and the capacity of the system is further improved.
Description
Technical Field
The present invention relates to the field of wireless communications technologies, and in particular, to a method, an apparatus, a device, and a readable storage medium for signal relay transmission.
Background
With the rapid development of new mobile technologies, the number of subscribers and the traffic of mobile data for global mobile communications are increasing, thus increasing the demand for system capacity. In the conventional method, a Relay technology is mostly adopted to improve the system capacity. In the conventional relay technology, the information needs to pass through the core network twice, for example, the relay core network once and the common core network once in the process of information transmission, so that the current core network can be influenced by the fact that the destination of the actual terminal can be reached after the current core network is firstly passed through the relay core network, for example, when the current core network roams across provinces, the relay core network of the relay home location needs to be returned, and the current core network is influenced.
Disclosure of Invention
The embodiment of the invention provides a signal relay transmission method, a device, equipment and a readable storage medium, which are used for solving the problem that the existing relay transmission affects the core network of the existing network.
In order to solve the technical problems, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a signal relay transmission method, which is applied to a base station node, including:
Establishing a first bearing channel which starts from a network element of a core network, passes through a port Un of a relay node and ends at a user node;
Sending a scheduling instruction to a relay node based on the first bearer channel, wherein the scheduling instruction is used for indicating target information which needs to be uploaded by a user node;
And receiving the target information from the relay node based on the first bearer channel.
In a second aspect, an embodiment of the present invention provides a signal relay transmission method, which is applied to a relay node, and includes:
Receiving a scheduling instruction from a base station node based on a first bearer channel established by the base station node, wherein the scheduling instruction is used for indicating target information which needs to be uploaded by a user node;
scheduling the target information to be uploaded by the user node based on the scheduling instruction;
And transmitting the target information to the base station node based on the first bearer channel.
In a third aspect, an embodiment of the present invention provides a signal relay transmission apparatus, applied to a base station node, including:
the first establishing module is used for establishing a network element starting from a core network, and a port Un of the path relay node and a first bearing channel ending at the user node;
The first scheduling module is used for sending a scheduling instruction to the relay node based on the first bearing channel, wherein the scheduling instruction is used for indicating target information which needs to be transmitted by the user node;
and the first receiving module is used for receiving the target information from the relay node based on the first bearer channel.
In a fourth aspect, an embodiment of the present invention provides a signal relay transmission apparatus, which is applied to a relay node, including:
The second receiving module is used for receiving a scheduling instruction from the base station node based on a first bearer channel established by the base station node, wherein the scheduling instruction is used for indicating target information which needs to be transmitted by the user node;
the second scheduling module is used for scheduling the target information which is attached to the user node and needs to be uploaded based on the scheduling instruction;
And the sending module is used for sending the target information to the base station node based on the first bearing channel.
In a fifth aspect, an embodiment of the present invention provides an electronic device, including a processor, a memory, and a program or an instruction stored on the memory and executable on the processor, where the program or the instruction implements the steps of the signal relay transmission method according to the first aspect or the signal relay transmission method according to the second aspect when executed by the processor.
In a sixth aspect, an embodiment of the present invention provides a readable storage medium having stored thereon a program or instructions which, when executed by a processor, implement the steps of the signal relay transmission method according to the first aspect or the signal relay transmission method according to the second aspect.
In the embodiment of the invention, a first bearing channel which starts from a core network element and ends at a port Un of a relay node is established, and a scheduling instruction is sent to the relay node based on the first bearing channel so as to acquire target information which needs to be uploaded by the user node, wherein the target information comprises uplink data or downlink data which is initiated by a base station node.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.
Fig. 1 is a flowchart of a signal relay transmission method according to an embodiment of the present invention;
fig. 2 is a schematic diagram of 4G network channel information provided in an embodiment of the present invention;
Fig. 3 is a schematic diagram of 5G network channel information provided in an embodiment of the present invention;
Fig. 4 is a schematic diagram of 4G network channel information after a relay node is added according to an embodiment of the present invention;
Fig. 5 is a schematic diagram of 5G network channel information after a relay node is added according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a filtering condition of a filter layer according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a cascaded scheduling scenario provided by an embodiment of the present invention;
fig. 8 is a flowchart of another signal relay transmission method according to an embodiment of the present invention;
fig. 9 is a block diagram of a signal relay transmission device according to an embodiment of the present invention;
Fig. 10 is a block diagram of still another signal relay transmission device according to an embodiment of the present invention;
Fig. 11 is a schematic block diagram of an electronic device according to an embodiment of the present invention;
fig. 12 is a schematic diagram of a hardware structure of an electronic device according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention provides a signal relay transmission method, a device, equipment and a readable storage medium, which are used for solving the problem that the prior relay technology can reach the destination of an actual terminal after passing through a relay core network, and the change of the current network core network can be influenced.
Referring to fig. 1, fig. 1 is a flowchart of a signal relay transmission method according to an embodiment of the present invention, where the signal relay transmission method is applied to a base station node, as shown in fig. 1, and the method includes the following steps:
Step 101, establishing a network element starting from a core network, and ending at a first bearing channel of a user node by a port Un of a path relay node;
The relay refers to that the base station node or the user node does not directly send signals to each other, but forwards the signals after corresponding processing through the relay node.
In this embodiment, the starting point of the first bearer channel is a network element (Mobility MANAGEMENT ENTITY, MME), and the port Un of the relay node is added halfway, and terminates at the user node (User Experience, UE). In a complete signal transmission network, the core network, the base station node and the user node are needed to be included, and in a core network, a plurality of network elements are included, each network element can be connected with a plurality of user nodes, so that when a first bearer channel is established, a plurality of network elements starting from the core network and ending in the user nodes can be established, and each user node can be connected to the network element of the core network.
It should be noted that, before the first bearer path is established, a network path for transmitting signals needs to be generated first, for a 4G network, path information is generated as shown in fig. 2, where the path information in fig. 2 includes a user node UE, a 4G base station node eNB, a service gateway (SERVING GATEWAY, S-GW), a gateway PGW, a peer entity PEER ENTITY, and a connection path between nodes, and for a 5G network, path information is generated as shown in fig. 3, and for fig. 3, path information includes a user node UE, a 5G base station node NB, a user port function (User Port Function, UPF), and a connection path between nodes, where the path information of the 4G network and the path information of the 5G network are consistent with the existing one, and are not repeated here. In the present application, as shown in fig. 4-5, signal coverage in the network is enhanced by adding a relay node between the user node and the base station node. It should be noted that after adding a relay node between a user node and a base station node, a section of radio bearer is added in the network, where the radio bearer connects the base station node and the relay node, specifically, the relay node is connected with the user node through a port Uu, and the relay node is connected with the base station node through a port Un.
Step 102, a scheduling instruction is sent to a relay node based on a first bearer channel, wherein the scheduling instruction is used for indicating target information which needs to be uploaded by a user node;
Specifically, the target information includes uplink data and downlink data that the base station node needs to acquire. In this embodiment, when the base station node wants to schedule information on the user node, a scheduling instruction is first sent to the relay node. For example, if the base station node needs to acquire the data of the user a and the user B, the base station node generates a scheduling instruction for instructing to schedule the data of the user a and the user B, and sends the scheduling instruction to the relay node, and the relay node acquires the data of the user a and the user B in the user node based on the scheduling instruction and sends the acquired data of the user a and the user B to the base station node. Step 103, receiving target information from the relay node based on the first bearer channel.
It should be noted that, the first bearer channel includes two segments, which are a first segment channel and a second segment channel, where the first segment channel is a channel between the gateway and the relay node, and the second segment channel is a channel between the relay node and the user node, and in this embodiment, the relay node performs signal transmission and data transmission based on the second segment channel and the user node.
According to the signal relay transmission method, the network element starting from the core network is established, the port Un of the relay node is routed and terminated at the first bearing channel of the user node, and the scheduling instruction is sent to the relay node based on the first bearing channel to acquire the target information to be transmitted by the user node.
Optionally, establishing the first bearer path starting at the network element and ending at the port Un of the relay node and ending at the user node includes:
Respectively acquiring a first ip address of each gateway, a second ip address of a relay node and a third ip address of a user node;
and establishing a first bearing channel based on the first ip address, the second ip address and the third ip address.
In this embodiment, the first bearer channel is established based on the ip address. Specifically, the core network acquires a first ip address of a gateway, a second ip address of a relay node and a third ip address of a user node in the network, and further establishes a first bearer channel based on the first ip address, the second ip address and the third ip address, so that an accurate and stable first bearer channel can be established based on the ip addresses.
Alternatively, since a user port function, a service gateway or other node may also be included in the network, in other possible embodiments the channel information may also include a user port function or service gateway ip address in order to establish a corresponding channel in relation to the user port function or service gateway. Here, the present embodiment is only exemplified, but not limited thereto, and no matter what transformation is made thereto, it is within the scope of the present embodiment.
Optionally, after establishing the first bearer channel starting from the network element and passing through the port Un of the relay node and ending at the user node, before sending the scheduling instruction to the relay node based on the first bearer channel, the method further includes:
Acquiring a port Un of a relay node;
A first radio bearer is established with the relay node based on the port Un.
It is worth emphasizing that the relay node is connected with the user node through a port Uu, and the relay node is connected with the base station node through a port Un. To facilitate signal transmission between the base station node and the relay node, a first radio bearer between the base station node and the relay node needs to be established.
Optionally, the relay node includes a terminal Uu, and a second radio bearer is included between the terminal Uu and the user node, where a holding time of the first radio bearer is longer than a holding time of the second radio bearer.
The first radio bearer can be allocated statically, semi-statically or dynamically, but no matter what allocation mode is adopted, the holding time of the first radio bearer needs to be ensured to be longer than that of the second radio bearer, so that the first radio bearer in the relative uplink can not end before the second radio bearer in the relative downlink ends, and the stability of signal transmission in the network can be ensured. It should be noted that the second radio bearer is a second segment of the first bearer.
Optionally, before sending the scheduling instruction to the relay node based on the first bearer channel, the signal relay transmission method further includes:
And obtaining the mapping relation between the relay node and the user node.
In this embodiment, there is a mapping relationship between the user node and the relay node, and the user node attaches the actual user data to the relay node based on the mapping relationship. In this way, the base station node may obtain the actual user information of the user node by scheduling the relay node.
Optionally, sending the scheduling instruction to the relay node based on the first bearer channel includes:
And sending a scheduling instruction to the relay node based on the first bearing channel and the mapping relation so as to schedule the relay node.
Without loss of generality, when a base station node schedules a relay node, the base station node first marks the relay node, and sets the priority of the relay node to be relatively high, for example, the scheduling priority of the relay node is set to be 1, and the scheduling priorities of other nodes of non-relay nodes are set to be 2, wherein the priority 1 is higher than the priority 2.
The base station node then interacts with the relay node with the respective attached terminal information, e.g. user information, including the terminal context and the Cell radio network temporary identity (Cell-RadioNetworkTemporaryIdentifier, C-RNTI) of the actual terminal. Understandably, the terminal information is stored on both the base station node and the relay node. In order to enable the base station node and the relay node to normally perform information interaction, interface information of the relay equipment needs to be newly added in the S1 interface and the X2 interface, so that the base station node and the relay node follow the same signal transmission protocol to perform information interaction, and short-delay periodic scheduling or special channel transmission is adopted in the S1 interface, so that interaction delay can be reduced, and information interaction speed can be improved. The S1 interface is an interface between the base station and the core network, and the X2 interface is an interconnection interface between the base stations.
In this embodiment, in the process of scheduling information downwards, the base station node preferentially schedules the relay node with a high priority, and the base station node sends a scheduling instruction to the relay node based on the first radio bearer, and in the process of scheduling, the base station node obtains the relay node and the actual terminal data attached to the relay node through the S1 interface, and the base station node schedules the data on the relay node on the Un air interface, where the data is other actual terminal data attached to the relay device.
Optionally, before the sending, based on the first bearer channel, a scheduling instruction to a relay node, the method further includes:
distinguishing user data information belonging to the relay node from user data information not belonging to the relay node based on a filter layer SDAP;
and generating the scheduling instruction based on the user data information belonging to the relay node.
In the 5G network, as shown in fig. 6, a plurality of filter layers, for example, a filter layer SDAP, a filter layer PDCP, a filter layer RLC, and a filter layer MAC are included, when scheduling is performed using a relay technology, as shown in fig. 7, a first level scheduling is performed between a base station node and a relay node, a second level scheduling is performed between the relay node and a node, when the base station node performs the first level scheduling, the base station node distinguishes the relay node and user data attached to the relay node, the user data attached to the relay node is transmitted through the relay node, the base station node performs one-time scheduling on all the user data attached to the relay node, at this time, the filter layer is required to implement an enhancement function, for example, a mapping function of the relay node and the user data attached to the relay node is performed, and after the relay node receives the user data, an actual terminal is scheduled again at a Uu port, so as to implement multi-level data transmission.
For example, for the user data information a, the user data information B, the user data information C, and the user data information D that need to be called by the base station node, where the data information a, the user data information B, and the user data information C belong to information corresponding to a user under the relay node, the user D does not belong to information corresponding to a user under the relay node, the base station node first distinguishes, through the filtering layer SDAP (SERVICE DATA Adaptation Protocol, SDAP), the data information a, the user data information B, and the user data information C as one group of data information that needs to be called, and the user data information D as another group of data information that needs to be called. And generating a scheduling instruction for scheduling the data information A, the user data information B and the user data information C, sending the scheduling instruction to the relay node, analyzing the scheduling instruction by the relay node and scheduling the corresponding data information, and then performing one-time scheduling by taking all the data information as the data of the relay node.
Therefore, the channel information is not changed, multi-level scheduling is realized through the base station node, mapping from multiple users (actual terminals) to single users (relay nodes) is realized through the enhancement function of the SDAP of the filter layer, and the relay nodes are scheduled through the Un port to carry actual terminal data. The relay node receives the data and demodulates the data and then transmits the data to the actual terminal again, so that the change of a core network is avoided, the relay function is simplified, and the coverage enhancement of signals and the capacity improvement of cells are realized.
Referring to fig. 8, fig. 8 is a flowchart of yet another signal relay transmission method according to an embodiment of the present application, where the method is applied to a relay node, and the signal relay transmission method includes:
step 201, receiving a scheduling instruction from a base station node based on a first bearer channel established by the base station node, wherein the scheduling instruction is used for indicating target information which needs to be uploaded by a user node;
In this embodiment, the starting point of the first bearer path is an MME network element, and the port Un of the relay node is added halfway, and terminates at the user node (User Experience, UE). In a complete signal transmission network, the core network includes a plurality of gateways, each gateway can be connected to a plurality of user nodes, so that when a first bearer channel is established, a plurality of first bearer channels starting from the gateway and ending at the user nodes can be established, and each user node can be connected to the gateway of the core network.
In this embodiment, when the base station node wants to schedule information on the user node, a scheduling instruction is first sent to the relay node. For example, if the base station node needs to acquire the data of the user a and the user B, the base station node generates a scheduling instruction for instructing to schedule the data of the user a and the user B, and sends the scheduling instruction to the relay node, and the relay node acquires the data of the user a and the user B in the user node based on the scheduling instruction and sends the acquired data of the user a and the user B to the base station node.
Step 202, scheduling target information to be uploaded by a user node based on a scheduling instruction;
Step 203, the target information is sent to the base station node based on the first bearer channel.
According to the signal relay transmission method, the first bearing channel which starts from the gateway and ends at the port Uu of the relay node is established, and the scheduling instruction from the base station node is received based on the first bearing channel so as to acquire the target information which needs to be uploaded by the user node.
See fig. 9. Fig. 9 is a signal relay transmission apparatus 900 provided in this embodiment, which is applied to a base station node, and includes:
a first establishing module 901, configured to establish a first bearer channel starting from a network element of a core network and ending at a port Uu of a path relay node;
a first establishing module 902, configured to send a scheduling instruction to the relay node based on the first bearer channel, where the scheduling instruction is used to indicate target information that needs to be uploaded by the user node;
the first receiving module 903 is configured to receive target information from the relay node based on the first bearer.
Optionally, the first establishing module 901 includes:
The acquisition module is used for respectively acquiring the first ip address of each gateway, the second ip address of the relay node and the third ip address of the user node;
the first establishing submodule establishes a first bearing channel based on the first ip address, the second ip address and the third ip address.
Optionally, the method further comprises:
The second acquisition module is used for acquiring a port Un of the relay node;
And the second establishing submodule is used for establishing a first wireless bearer between the port Un and the relay node.
Optionally, a second radio bearer is included between the port Uu and the user node, and the holding time of the first radio bearer is longer than the holding time of the second radio bearer.
Optionally, the method further comprises:
and the third acquisition module is used for acquiring the mapping relation between the relay node and the user node.
Optionally, the first establishing module 902 is specifically configured to:
And sending a scheduling instruction to the relay node based on the first bearing channel and the mapping relation so as to schedule the relay node.
The signal relay transmission device 900 provided in this embodiment can implement each process and step of the signal relay transmission method in the method embodiments of fig. 1-7, and achieve the same technical effects, and in order to avoid repetition, the description is omitted here.
See fig. 10. Fig. 10 is a schematic diagram of yet another signal relay transmission apparatus 1000 according to the present embodiment, which is applied to a relay node, and includes:
A second receiving module 1001, configured to receive a scheduling instruction from a base station node based on the first bearer channel, where the scheduling instruction is used to indicate target information that needs to be transmitted by a user node;
A second scheduling module 1002, configured to schedule, based on the scheduling instruction, the target information that the user node needs to upload and transmit;
and a sending module 1003, configured to send the target information to the base station node based on the first bearer channel.
The signal relay transmission device 1000 provided in this embodiment can implement each process and step of the signal relay transmission method in the method embodiment of fig. 8, and can achieve the same technical effects, so that repetition is avoided, and no further description is given here.
The signal relay transmission device in the embodiment of the application can be a device, and can also be a component, an integrated circuit or a chip in a terminal. The device may be a mobile electronic device or a non-mobile electronic device. By way of example, the mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook or a Personal Digital Assistant (PDA), etc., and the non-mobile electronic device may be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (personal computer, PC), a Television (TV), a teller machine, a self-service machine, etc., and the embodiments of the present application are not limited in particular.
The signal relay transmission device in the embodiment of the application can be a device with an operating system. The operating system may be an Android operating system, an ios operating system, or other possible operating systems, and the embodiment of the present application is not limited specifically.
Optionally, as shown in fig. 11, the embodiment of the present application further provides an electronic device 1100, including a processor 1101, a memory 1102, and a program or an instruction stored in the memory 1102 and capable of running on the processor 1101, where the program or the instruction implements each process of the above embodiment of the method when executed by the processor 1101, and the process can achieve the same technical effect, so that repetition is avoided, and no further description is given here.
The electronic device in the embodiment of the application includes the mobile electronic device and the non-mobile electronic device.
Fig. 12 is a schematic hardware structure of an electronic device implementing an embodiment of the present application.
The electronic device 1200 includes, but is not limited to: radio frequency unit 1201, network module 1202, audio output unit 1203, input unit 1204, sensor 1205, display unit 1206, user input unit 1207, interface unit 1208, memory 1209, and processor 1210.
Those skilled in the art will appreciate that the electronic device 1200 may also include a power source (e.g., a battery) for powering the various components, which may be logically connected to the processor 1210 by a power management system, such as to perform functions such as managing charging, discharging, and power consumption by the power management system. The electronic device structure shown in fig. 12 does not constitute a limitation of the electronic device, and the electronic device may include more or less components than illustrated, or may combine certain components, or may be arranged in different components, which are not described in detail herein.
Wherein the processor 1210 is configured to: establishing a first bearing channel which starts from a network element, passes through a port Un of a relay node and ends at a user node;
Sending a scheduling instruction to a relay node based on the first bearer channel, wherein the scheduling instruction is used for indicating target information which needs to be uploaded by a user node;
And receiving the target information from the relay node based on the first bearer channel.
Optionally, the establishing a first bearer path starting from the network element and passing through the port Un of the relay node and ending at the user node includes:
respectively acquiring a first ip address of the gateway, a second ip address of the relay node and a third ip address of the user node;
And establishing the first bearing channel based on the first ip address, the second ip address and the third ip address.
Optionally, after the establishment starts at the network element and passes through the port Un of the relay node and terminates at the first bearer channel of the user node, before the scheduling instruction is sent to the relay node based on the first bearer channel, the method further includes:
acquiring a port Un of the relay node;
a first radio bearer is established with the relay node based on the port Un.
Optionally, a second radio bearer is included between the port Uu and the user node, and the holding time of the first radio bearer is longer than the holding time of the second radio bearer.
Optionally, before the sending, based on the first bearer channel, a scheduling instruction to a relay node, the method further includes:
and obtaining the mapping relation between the relay node and the user node.
Optionally, the sending a scheduling instruction to a relay node based on the first bearer channel includes:
And sending a scheduling instruction to a relay node based on the first bearing channel and the mapping relation so as to schedule the relay node.
The processor 1210 is also configured to: establishing a first bearing channel which starts from a network element, passes through a port Un of a relay node and ends at a user node;
Receiving a scheduling instruction from a base station node based on the first bearer channel, wherein the scheduling instruction is used for indicating target information which needs to be uploaded by a user node;
scheduling the target information to be uploaded by the user node based on the scheduling instruction;
And transmitting the target information to the base station node based on the first bearer channel.
In the embodiment of the present application, the electronic device 1200 obtains the key frame satisfying the preset condition based on at least two paths of image data to be processed, and identifies the key frame by using the preset human interaction behavior identification model to generate the interaction behavior of the target human body, so that the interaction behavior of the target human body and other objects can be identified, and the identification result can be more accurate through the multi-source data.
It should be appreciated that in embodiments of the present application, the input unit 1204 may include a graphics processor (Graphics Processing Unit, GPU) 12041 and a microphone 12042, the graphics processor 12041 processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The display unit 1206 may include a display panel 12061, and the display panel 12061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 1207 includes a touch panel 12071 and other input devices 12072. The touch panel 12071 is also called a touch screen. The touch panel 12071 may include two parts, a touch detection device and a touch controller. Other input devices 12072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and so forth, which are not described in detail herein. Memory 1209 may be used to store software programs as well as various data including, but not limited to, application programs and an operating system. Processor 1210 may integrate an application processor that primarily processes operating systems, user interfaces, applications, etc., with a modem processor that primarily processes wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 1210.
The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored, and when the program or the instruction is executed by a processor, the processes of the embodiments of the signal relay transmission method of fig. 1 to fig. 8 are implemented, and the same technical effects can be achieved, so that repetition is avoided, and no further description is given here.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method according to the embodiments of the present invention.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.
Claims (11)
1. A signal relay transmission method applied to a base station node, comprising:
Establishing a first bearing channel which starts from a network element of a core network, passes through a port Un of a relay node and ends at a user node;
Sending a scheduling instruction to a relay node based on the first bearer channel, wherein the scheduling instruction is used for indicating target information which needs to be uploaded by a user node;
Receiving the target information from the relay node based on the first bearer channel;
before the scheduling instruction is sent to the relay node based on the first bearer channel, the method further includes:
Distinguishing user data information belonging to the relay node from user data information not belonging to the relay node based on the filter layer;
Generating the scheduling instruction based on the user data information belonging to the relay node;
Wherein, the filter layer is SDAP, and the enhancement function of the filter layer is used for realizing the mapping from multi-user to single user.
2. The method according to claim 1, wherein the establishing a first bearer path starting from a network element of the core network and ending at a port Un of the user node and passing through the relay node comprises:
respectively acquiring a first ip address of each network element of the core network, a second ip address of the relay node and a third ip address of the user node;
And establishing the first bearing channel based on the first ip address, the second ip address and the third ip address.
3. The method according to claim 1, wherein after the establishment of the network element starting from the core network and passing through the port Un of the relay node and ending in the first bearer channel of the user node, the method further comprises, before the sending of the scheduling instruction to the relay node based on the first bearer channel:
acquiring a port Un of the relay node;
a first radio bearer is established with the relay node based on the port Un.
4. A signal relay transmission method according to claim 3, wherein the relay node comprises a port Uu, a second radio bearer is included between the port Uu and the user node, and a holding time of the first radio bearer is longer than a holding time of the second radio bearer.
5. The method of signal relay transmission according to claim 1, wherein before the sending a scheduling instruction to a relay node based on the first bearer channel, the method further comprises:
and obtaining the mapping relation between the relay node and the user node.
6. The method of claim 5, wherein the sending a scheduling instruction to a relay node based on the first bearer channel comprises:
And sending a scheduling instruction to a relay node based on the first bearing channel and the mapping relation so as to schedule the relay node.
7. A signal relay transmission method applied to a relay node, comprising:
receiving a scheduling instruction from a base station node based on a first bearer channel established by the base station node, wherein the scheduling instruction is used for indicating target information which needs to be transmitted by a user node;
scheduling the target information to be uploaded by the user node based on the scheduling instruction;
transmitting the target information to the base station node based on the first bearer channel;
The base station node distinguishes user data information belonging to the relay node and user data information not belonging to the relay node based on a filter layer; generating based on the user data information belonging to the relay node;
The first bearer channel is a network element starting from a core network, and passes through a port Un of the relay node and terminates at a bearer channel of the user node; the filter layer is SDAP, and the enhancement function of the filter layer is used for realizing mapping from multiple users to single user.
8. A signal relay transmission device applied to a base station node, comprising:
the first establishing module is used for establishing a network element starting from a core network, and a port Un of the path relay node and a first bearing channel ending at the user node;
The first scheduling module is used for sending a scheduling instruction to the relay node based on the first bearing channel, wherein the scheduling instruction is used for indicating target information which needs to be transmitted by the user node;
The first receiving module is used for receiving the target information from the relay node based on the first bearing channel;
the base station node is further configured to perform:
Distinguishing user data information belonging to the relay node from user data information not belonging to the relay node based on the filter layer;
Generating the scheduling instruction based on the user data information belonging to the relay node;
Wherein, the filter layer is SDAP, and the enhancement function of the filter layer is used for realizing the mapping from multi-user to single user.
9. A signal relay transmission device applied to a relay node, comprising:
The second receiving module is used for receiving a scheduling instruction from the base station node based on a first bearer channel established by the base station node, wherein the scheduling instruction is used for indicating target information which needs to be uploaded by the user node;
The second scheduling module is used for scheduling the target information which needs to be uploaded by the user node based on the scheduling instruction;
The sending module is used for sending the target information to the base station node based on the first bearing channel;
The base station node distinguishes user data information belonging to the relay node and user data information not belonging to the relay node based on a filter layer; generating based on the user data information belonging to the relay node;
The first bearer channel is a network element starting from a core network, and passes through a port Un of the relay node and terminates at a bearer channel of the user node; the filter layer is SDAP, and the enhancement function of the filter layer is used for realizing mapping from multiple users to single user.
10. An electronic device comprising a processor, a memory and a program or instruction stored on the memory and executable on the processor, which when executed by the processor, implements the steps of the signal relay transmission method of any one of claims 1-6 or the steps of the signal relay transmission method of claim 7.
11. A computer-readable storage medium, wherein a program or instructions is stored on the computer-readable storage medium, which when executed by a processor, implements the steps of the signal relay transmission method according to any one of claims 1 to 6 or the steps of the signal relay transmission method according to claim 7.
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