CN116248600A

CN116248600A - Service data transmission method, device and system, electronic equipment and storage medium

Info

Publication number: CN116248600A
Application number: CN202211731349.3A
Authority: CN
Inventors: 李享中
Original assignee: Sichuan Hengwan Technology Co Ltd
Current assignee: Sichuan Hengwan Technology Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-09

Abstract

The embodiment of the invention discloses a service data transmission method, a device, a system, electronic equipment and a storage medium, wherein the technical scheme provided by the invention realizes the technical purposes of sharing resources under a multi-network service scene and utilizing the prior network resources to the greatest extent by dynamically sensing and evaluating whether transmission link resources between DU and RU of other RAN networks meet the transmission condition of transmitting service data of the RAN network and transmitting the service data by meeting the transmission link suitable for transmission under the condition that the transmission link between DU and RU of the target RAN network is congested.

Description

Service data transmission method, device and system, electronic equipment and storage medium

Technical Field

The present invention relates to the field of mobile communications technologies, and in particular, to a method, an apparatus, a system, an electronic device, and a storage medium for transmitting service data.

Background

The mobile communication technology has been developed through the technologies of the first generation (1G), the second generation (2G), the third generation (3G) and the fourth generation (4G), and the time of the fifth generation development (5G mobile communication technology) has been recently entered. As new mobile networks emerge, new transport networks are often built to match them. For example, for 5G services, up to now, 100 tens of thousands of 5G base stations have been built in our country, which is 70% of the total amount of 5G base stations worldwide, and 5G network coverage has now been extended toward villages and towns. Even so, on the basis of the existing transmission network resources, the situation that the resources planned at the beginning are not enough can occur along with the increase of users and traffic, or the traffic is only put for a certain period of time due to certain traffic peak time periods or emergency, so that more transmission network resources are needed. In this case, it is not preferable if the 5G investment is increased only by a single removal. Under the current situation that the number of users and traffic of 4G or other mobile networks (such as 3G) are gradually reduced so that resources are relatively idle, if the 5G can borrow the resources of the 4G or other mobile networks, the existing network resources can be fully utilized, the investment is saved, and the user demands are met.

There are two techniques in the prior art regarding bandwidth sharing:

first kind: link aggregation is performed using the link aggregation control protocol (Link Aggregation Control Protocol, LACP) of the conventional bandwidth sharing technology ieee802.3 ad. The link aggregation technology can achieve the purpose of increasing the link bandwidth by binding a plurality of physical interfaces into one logical interface under the condition of not carrying out hardware upgrade. However, this method has a certain limitation, which is that the distribution and configuration can be performed only through a certain static rule, and the dynamic condition of the link cannot be perceived, so that the method cannot solve the problem well in the case that the link is busy due to the surge of the traffic caused by certain traffic peak time periods or emergencies.

Second kind: the detection of link quality is performed using IETF IPPM (IP Performance Measurement ) technology. However, the technology can only detect the quality of a single link, can not sense multiple links and make decisions, and can not fundamentally solve the problem caused by lack of network resources.

In order to fully utilize the existing mobile network resources, save investment and cope with the situation that the network resources are insufficient as users and traffic increase, a method for sharing the bandwidth of various mobile network service links is needed to be proposed at present, so that the resources can be shared under a multi-network service scene, the existing network resources can be utilized to the greatest extent, and the problem caused by the lack of the network resources in the prior art is solved.

Disclosure of Invention

In view of this, embodiments of the present invention provide a method, an apparatus, a system, an electronic device, and a storage medium for transmitting service data, where in the case that a transmission link between a distribution unit DU and a radio frequency unit RU of a target RAN network is congested, the technical solution provided by the present invention dynamically senses and evaluates whether transmission link resources between DUs and RUs of other RAN networks meet a transmission condition for transmitting service data of the RAN network, and transmits service data by using transmission links that meet a transmission condition suitable for transmission, so that bandwidths of service links of various mobile networks can be shared with each other, thereby achieving a technical purpose of sharing resources in a multi-network service scenario, and maximally utilizing old existing network resources, and solving a problem caused by lack of network resources in the prior art.

In a first aspect, an embodiment of the present invention provides a service data transmission method, applied to a target network element, where the target network element belongs to a target RAN, the method includes:

interacting with a first network element in a first network element set based on a preset first message to generate a link resource state information list; wherein, the first network elements in the first network element set respectively belong to different RANs different from the target RAN and are the same as the target network element in type, and the list items in the link resource state information list comprise the link resource state information of the transmission link between the first network element in the first network element set and the second network element corresponding to the first network element;

When service data is sent to a second network element of the target RAN, acquiring link resource state information of a transmission link between the second network element of the target RAN, and judging whether the transmission link between the second network element of the target RAN and the second network element of the target RAN meets the sending condition of the service data according to the link resource state information;

and if not, selecting a transmission link corresponding to the link resource state information meeting the transmission condition based on the link resource state information in the link resource state information list to transmit the service data.

Preferably, the method further comprises:

when receiving service data sent by a second network element of the target RAN, judging whether the received service data is the service data of the target RAN, if not, routing the service data to a first network element of the RAN corresponding to the service data in the first network element set for processing.

Preferably, the generating the link resource status information list based on interaction between the preset first message and the first network element in the first network element set specifically includes:

when initializing, acquiring link resource state information of a transmission link between the second network element of the target RAN and the first network element in the first network element set, and sending the link resource state information to the first network element in the first network element set through the preset first message information so that the first network element in the first network element set locally generates a link resource state information list;

And receiving the link resource state information of the transmission link between the first network element in the first network element set and the second network element corresponding to the first network element through the preset first message, and generating a link resource state information list locally.

Preferably, the generating the link resource status information list based on interaction between the preset first message and the first network element in the first network element set specifically further includes:

when the link resource state information of a transmission link between a new service trigger and a second network element of the target RAN is changed, acquiring the changed link resource state information of the transmission link between the second network element of the target RAN and transmitting the changed link resource state information to a first network element in the first network element set through a preset first message so that the first network element in the first network element set updates a local link resource state information list of the first network element;

when a first network element in the first network element set has new service triggering locally and link resource state information of a transmission link between a second network element corresponding to the first network element is changed, the changed link resource state information of the transmission link between the second network element corresponding to the first network element is received, and a local link resource state information list is updated based on the changed link resource state information.

Preferably, the selecting, based on the link resource status information in the link resource status information list, a transmission link corresponding to the link resource status information satisfying the transmission condition to transmit the service data specifically includes:

traversing the link resource state information in the link resource state information list, and selecting the link resource state information meeting the transmission condition;

determining a first network element in the first network element set corresponding to the selected link resource state information;

generating resource application information, sending the resource application information to a first network element in the first network element set through a preset second message, so that after receiving the preset second message, a first network element in the first network element set confirms whether to agree or not according to local current link resource state information and combining the resource application information in the preset second message, and sending a confirmation result to a target network element of the target RAN through a preset third message;

after receiving the preset third message sent by a first network element in the first network element set, the target network element of the target RAN judges a confirmation result according to the preset third message;

And if the agreement is confirmed, the service data is routed to a first network element in the first network element set, so that the first network element in the first network element set is sent to a corresponding second network element through a transmission link between the first network element and the corresponding second network element.

Preferably, when the first network element is a distribution unit DU, the second network element is a radio frequency unit RU; when the first network element is a radio frequency unit RU, the second network element is a distribution unit DU.

Preferably, the link resource status information includes: delay information, bandwidth occupation information and bandwidth residual information; the target RAN includes: 2G,3G,4G or 5G.

In a second aspect, an embodiment of the present invention provides a data transmission device, provided in a target network element, where the target network element belongs to a target RAN, the device includes:

the link resource management module is configured to interact with a first network element in the first network element set based on a preset first message to generate a link resource state information list; wherein, the first network elements in the first network element set respectively belong to different RANs different from the target RAN and are the same as the target network element in type, and the list items in the link resource state information list comprise the link resource state information of the transmission link between the first network element in the first network element set and the second network element corresponding to the first network element;

The service data sending condition judging module is configured to acquire link resource state information of a transmission link between the second network element of the target RAN and the second network element of the target RAN when sending service data to the second network element of the target RAN, and judge whether the transmission link between the second network element of the target RAN and the second network element of the target RAN meets the sending condition of the service data according to the link resource state information;

and the transmission link selection module is used for selecting a transmission link corresponding to the link resource state information meeting the transmission condition to transmit the service data based on the link resource state information in the link resource state information list if the transmission link state information is not met.

In a third aspect, an embodiment of the present invention provides an electronic device, including a memory and a processor, where the memory is configured to store one or more computer program instructions, and where the one or more computer program instructions are executed by the processor to implement the method of the first aspect.

In a fourth aspect, an embodiment of the present invention provides a service data transmission system, including: at least two distribution units DU provided with the service data transmission device according to the second aspect are respectively: the first DU belonging to the first RAN and the second DU belonging to the second RAN, and at least two radio frequency units RU provided with the service data transmission device according to the second aspect are respectively: a first RU belonging to a first RAN and a second RU belonging to a second RAN.

In a fifth aspect, an embodiment of the present invention provides a storage medium, where the storage medium is used to store a computer program, where the computer program is used to implement the method according to the first aspect.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of embodiments of the present invention with reference to the accompanying drawings, in which:

fig. 1 is a flowchart of a service data transmission method according to an embodiment of the present invention;

fig. 2 is a flow chart of an embodiment of the present invention when generating a link resource status information list;

FIG. 3 is a flow chart of an embodiment of the present invention when selecting a traffic link to send traffic data;

fig. 4 is a flowchart of a method for transmitting service data according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a service data transmission device according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of a hardware architecture of an electronic device according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a service data transmission system according to a specific exemplary embodiment of the present invention.

Detailed Description

The present invention is described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. The present invention will be fully understood by those skilled in the art without the details described herein. Well-known methods, procedures, flows, components and circuits have not been described in detail so as not to obscure the nature of the invention.

Moreover, those of ordinary skill in the art will appreciate that the drawings are provided herein for illustrative purposes and that the drawings are not necessarily drawn to scale.

Meanwhile, it should be understood that in the following description, "circuit" refers to a conductive loop constituted by at least one element or sub-circuit through electrical connection or electromagnetic connection. When an element or circuit is referred to as being "connected to" another element or being "connected between" two nodes, it can be directly coupled or connected to the other element or intervening elements may be present and the connection between the elements may be physical, logical, or a combination thereof. In contrast, when an element is referred to as being "directly coupled to" or "directly connected to" another element, it means that there are no intervening elements present between the two.

Unless the context clearly requires otherwise, the words "comprise," "comprising," and the like in the description are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, it is the meaning of "including but not limited to".

In the description of the present invention, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the 4G/5G networking scheme discussed in 3GPP, there are two networking modes, one is Non-independent Networking (NSA), and the other is independent networking (SA). NSA refers to joint networking of 5G and 4G LTE, that is, deployment of a 5G network is performed based on existing 4G equipment, under NSA networking, a wireless side 4G base station and a 5G NR base station coexist, and a core network adopts a networking architecture of a 4G core network or a 5G core network; the SA refers to a 5G NR base station adopted by a wireless side, a 5G core network is adopted by a network architecture of the 5G core network, under SA networking, the 5G network is independent of the 4G network, and the 5G and the 4G are only communicated at the core network level.

In 5G systems networked by NSA mode, typically the 4G and 5G NR base stations are co-sited. Besides, not only 5G and 4G base stations are co-sited, but also 2G/3G/4G/5G base stations of some operators can be co-sited according to specific needs, which provides application conditions for sharing network resources among several different mobile networks.

The 5G system adopts a C-RAN architecture, and the 5G NR base station can be functionally split into three parts, namely a Centralized Unit (CU), a Distributed Unit (DU) and a Radio Unit (RU), where RU may also be called an active antenna Unit (Active Antenna Unit, AAU). The RU and the DU are connected by a forward interface (CPRI or eCPRI), and a link between them is called a forward link, and forward data is transmitted and received over the link. The link between a CU and a DU is called a mid-pass. It should be noted that: not all 5G NR base stations have only AAU, and among 5G NR base stations there is also an rru+antenna configuration. In addition, according to the standard proposed in fig. 5G, CU, DU, AAU may be set separately or together, so that various network deployment modes may occur, for example: the CU and the DU are arranged in common hardware to form a BBU unit; DU is deployed in a 4G BBU machine room, and CU is deployed in a centralized way; DU centralized deployment, CU higher level centralization; CU and DU co-station are deployed centrally, like the C-RAN approach of 4G. The deployment modes are selected by comprehensively considering various factors at the same time, including transmission requirements (such as bandwidth, time delay and other factors), construction cost investment, maintenance difficulty and the like of the service. In addition, in a 5G system, the C-RAN corresponds to a layer 3 architecture of CU, DU and AAU, whereas in a 4G network, the C-RAN corresponds to a layer 2 architecture of BBU (baseband processing unit) and RRU (remote radio unit), which are also connected through a forwarding interface (CPRI).

In view of this, references to "DU" and "RU" in the present invention refer to split "DU" and "RU" distributed among different physical hardware, rather than integrated "DU" and "RU" integrated in the same dedicated physical hardware. In addition, in the 5G network-based O-RAN architecture, DUs evolve into O-DUs and RUs evolve into O-RUs.

The inventor of the present invention found at the time of actual project development that: when a 5G specific service is developed, when service data in a DU needs to be sent to an RU through a forward link, or when service data in an RU needs to be sent to a DU through a forward link, bandwidth resources are insufficient or other problems caused by the link congestion are not satisfied, so that a requirement for transmitting the service data is not satisfied, the service data is forced to cancel the sending, so that the corresponding service cannot be completed, and user experience is reduced. In order to solve the problem, the inventor starts from the aim of smoothly sending the service data to the opposite terminal through the transmission link under the situation of congestion of the service link, and the aim of completely sharing the bandwidths of different mobile network links is achieved by smoothly sending the service data to the opposite terminal through the other mobile network links which are suitable for sending the current service data and finally by-pass sending.

Fig. 1 is a flowchart of a service data transmission method according to an embodiment of the present invention. The service data transmission method provided by the embodiment of the invention is applied to a target network element, wherein the target network element belongs to a target RAN, and specifically as shown in figure 1, the method comprises the following steps:

step S110: interacting with a first network element in a first network element set based on a preset first message to generate a link resource state information list; wherein, the first network elements in the first network element set respectively belong to different RANs different from the target RAN and are the same as the target network element in type, and the list items in the link resource state information list contain the link resource state information of the transmission link between the first network element in the first network element set and the second network element corresponding to the first network element set.

The service data transmission technical scheme provided by the embodiment of the invention is applied to the target network element of the target RAN, and has the following meanings: the term "target RAN" herein refers not to a fixed RAN network, but to all existing types of RAN networks, such as: 2G, 3G, 4G, and 5G, and new types of RAN networks that later appear (e.g., 6G); the "target network element" is not a fixed network element of a certain type, but may be a distribution unit DU or a radio frequency unit RU, that is: the technical scheme provided by the embodiment of the invention is suitable for RU and DU. When the first network element is DU, the second network element corresponding to the first network element is RU, and when the first network element is RU, the second network element corresponding to the first network element is DU. It can be known that, if the existing RAN network type and network element are combined in pairs, the service data transmission technical scheme provided by the embodiment of the present invention can be applied to both a 2G RU, a 3G RU, a 4G RU, a 5G RU, and a 2G DU, a 3G DU, a 4G DU, and a 5G DU. In general, the RU of 4G and the DU of 4G and the RU of 5G and the DU of 5G are connected through a forward interface, and thus, when the "target RAN" is 4G or 5G, the "transmission link" in the present invention refers to a forward link. In addition, the data path from the DU to the RU includes two links: logical links and physical links. The logical link refers to a virtual link formed by functions sequentially executed on IQ data in each unit after the forward interface is split, and the physical link refers to a link deployed between units, generally an optical fiber. The term "transmission link" in the present invention refers to a physical link.

The step is performed to locally generate a link resource status information list comprising other first network elements (respectively belonging to different RANs different from the target RAN) having a communication connection with the target network element, so that when the first network element sends service data, after discovering that the service link is congested, a transmission link capable of sending the service data can be selected by querying the link resource status information list. By "communication connection" is meant herein that if a target network element of a target RAN sends a message, a first network element of the other RAN may receive the message, and the first network element of the other RAN sends a message, the target network element of the target RAN may also receive the message. The first network elements of different RANs can be connected through physical media such as optical fibers, cables and the like, and can also be connected through a local area network. In a specific example, because of the station establishment requirement, if the operator arranges the 3G DU, the 4G DU and the 5G DU at the same location, in order to implement the technical solution of the present invention, the two may be physically connected by a cable or the like, or may be in communication with each other in other network manners, and the specific manner of implementing the communication connection is not limited by the present invention.

In addition, the link resource status information of the transmission link from the target network element of the target RAN to the corresponding second network element may or may not be included in the list.

Specifically, when interacting with a first network element in a first network element set based on a preset first message to generate a link resource state information list, as shown in fig. 2, the method specifically includes the following steps:

step S111: and when initializing, acquiring link resource state information of a transmission link between the second network element of the target RAN and the target RAN, and sending the link resource state information to a first network element in the first network element set through the preset first message information so that the first network element in the first network element set locally generates a link resource state information list.

The "link resource status information" in the present invention is a quantized description of the current resource status of the transmission link at a certain moment, including but not limited to delay information, bandwidth occupation information, and bandwidth remaining information of the transmission link, and may include the total number of bandwidths. Wherein, bandwidth surplus information is subdivided into surplus information of bandwidths of different grades according to the size of the bandwidth, such as: equal bandwidth, and equal bandwidth, or gold, silver, and copper bandwidths. The first-class bandwidth or gold bandwidth is the smallest in time delay compared to the second-class, third-class, and silver and copper bandwidths. Through the division of the bandwidth with such fine granularity, when the network element needing to borrow the resources selects the link for transmitting the current service data, the link which is more suitable for transmitting the current service data can be found according to the needs, so that the resource utilization is more reasonable.

This step is performed during the initialization of the target network element of the target RAN at start-up. Since traffic data is not transmitted over the link at startup for a while, the bandwidth occupation is typically 0. The link resource status information may be obtained by a related protocol or by measurement software of a third party.

After obtaining the local link resource status information, sending the local link resource status information to the first network element of other RAN connected with the local link resource status information through a preset first message, where the "preset first message" is used to send the link resource status information between the network elements, and can be distinguished from other preset message information related to the present invention (e.g. a preset second message and a preset third message), for example: the message header 0x8100 represents a first message, the message header 0x8101 represents a second message, the message header 0x8102 represents a third message, and the network element receiving the corresponding message distinguishes different message according to the message header so as to perform different processing.

In a specific example, the content included in the "preset first message" in the present invention may be: message header (0 x 8100), device identification, total bandwidth, occupied bandwidth, gold card residual bandwidth and time delay, silver card residual bandwidth and time delay, copper card residual bandwidth and time delay, and other residual bandwidths. Wherein the device identity is the device identity of the DU or RU that sent the message, the home device for which the other DU or RU received the list entry in the list of identified link resource status information. In addition to distinguishing each list item with a device identification, other means may be used, such as: interface identification for receiving link resource status information, etc., the invention is not limited in this regard.

Step S112: and receiving the link resource state information of the transmission link between the first network element in the first network element set and the second network element corresponding to the first network element through the preset first message, and generating a link resource state information list locally.

The step receives link resource status information sent by a first network element of the other RAN and integrates to locally form a link resource status information list containing one or more link resource status information.

It should be understood that there is no limitation in the order of execution between steps S111 to S112.

Step S113: when new service triggers and link resource state information of a transmission link between second network elements of the target RAN are changed, the changed link resource state information of the transmission link between the second network elements of the target RAN is obtained and sent to a first network element in the first network element set through a preset first message, so that the first network element in the first network element set updates a local link resource state information list of the first network element.

The execution of this step ensures that when the link resource status information changes due to sending service data, the first network element of other RANs can be timely notified, so that it can timely update the local link resource status information list.

Step S114: when a first network element in the first network element set has new service triggering locally and link resource state information of a transmission link between a second network element corresponding to the first network element is changed, the changed link resource state information of the transmission link between the second network element corresponding to the first network element is received, and a local link resource state information list is updated based on the changed link resource state information.

The step receives the changed link resource state information sent by the first network element of other RANs, and updates the link resource state information list with new data to ensure that the data in the current link resource state information list always keeps consistent with the latest link resource state of each link.

Step S120: when service data is sent to a second network element of the target RAN, link resource state information of a transmission link between the second network element of the target RAN is obtained, and whether the transmission link between the second network element of the target RAN and the second network element of the target RAN meets the sending condition of the service data is judged according to the link resource state information.

The principle followed by the invention in the selection of the service links is to judge whether the default link of the current service data transmission meets the transmission condition preferentially, and if not, borrow the resources of other service links. Such as: when 5G service data with higher real-time requirement needs to be sent, if the current 5G service link is enough to meet the sending condition of the current service data, the current 5G service link is also sent through the 5G service link; if the 5G traffic link is too delayed or the bandwidth is insufficient, the transmission condition is not satisfied, the resources of the traffic links of other RAN networks may be borrowed by performing the following step S130.

Step S130: and if not, selecting a transmission link corresponding to the link resource state information meeting the transmission condition based on the link resource state information in the link resource state information list to transmit the service data.

Specifically, when the transmission link corresponding to the link resource status information satisfying the transmission condition is selected to transmit the service data based on the link resource status information in the link resource status information list, as shown in fig. 3, the method specifically includes the following steps:

step S131: and traversing the link resource state information in the link resource state information list, and selecting the link resource state information meeting the transmission condition.

When selecting, the specific selection strategy can be configured according to the system requirement and the service data sending condition.

Step S132: a first network element of the first set of network elements corresponding to the selected link resource state information is determined.

Step S133: generating resource application information, sending the resource application information to a first network element in the first network element set through a preset second message, so that after receiving the preset second message, a first network element in the first network element set confirms whether to agree or not according to local current link resource state information and combining the resource application information in the preset second message, and sending a confirmation result to a target network element of the target RAN through a preset third message.

The "resource application information" in this step refers to a specific link resource size applied for borrowing, which is determined based on the criterion of meeting the requirement of sending the current service data, for example: gold medal bandwidth 50M. After the resource application information is determined, the resource application information is sent to a first network element which needs to borrow the service link from the first network element through a preset second message. The preset second message refers to a message for sending resource application information.

In a specific example, the content included in the preset second message may be: message header (0 x 8101), device identification of the network element sending the message, device identification of the network element receiving the message, gold bandwidth number required to be applied, silver bandwidth number required to be applied and copper bandwidth number required to be applied. For example, if the device identified as 1234 needs to apply for 50M gold bandwidth from the device identified as 5678, the portion of message content to be sent may be, in order: 0x8101, 1234, 5678, 50M, 0.

After receiving the preset second message, the first network element which needs to borrow the service link evaluates the local resource requirement condition, and then sends the evaluated result (the application is agreed or refused) to the first network element which sends the preset second message through the preset third message. The preset third message refers to a message for sending a resource application confirmation message. In a specific example, the content included in the preset third message may be: message header (0 x 8102), device identification of network element for sending the message, device identification of network element for receiving the message, and application confirmation information. The application confirmation information may specify that the consent application is 1 and the refusal application is 0. For example, if the device identified as 5678 sends an approval application to the device identified as 1234, the portion of the message content to be sent may be, in order: 0x8102, 5678, 1234, 1.

Step S134: and after receiving the preset third message sent by a first network element in the first network element set, the target network element of the target RAN judges a confirmation result according to the preset third message.

Step S135: and if the agreement is confirmed, the service data is routed to a first network element in the first network element set, so that the first network element in the first network element set is sent to a corresponding second network element through a transmission link between the first network element and the corresponding second network element.

And then, when the corresponding second network element receives the service data, firstly judging whether the received service data is the service data required to be processed by the local network element, if not, finding that the service data is the service data required to be processed by the second network element of the target RAN network, and then routing the service data to the second network element of the target RAN network for processing.

In addition to the above steps S110 to S130, the service data transmission method provided by the embodiment of the present invention further includes the following steps:

when a target network element of the target RAN receives service data sent by a second network element of the target RAN, judging whether the received service data is the service data of the target RAN, if not, routing the service data to a first network element of the RAN corresponding to the service data in the first network element set for processing.

Fig. 4 is a flowchart of a method for transmitting service data according to an embodiment of the present invention. The service data transmission method provided by a specific embodiment of the present invention is applied to a service data transmission system, for example, the system includes a 5G DU and a 5G RU connected to the 5G DU through a forwarding interface, and a 4G DU and a 4G RU connected to the 4G RU through a forwarding interface, each device in the service data transmission system executes the service data transmission method step provided by the embodiment of the present invention, and the 5G DU needs to send service data to the 5G RU, and the execution steps of fig. 1 to 3 are integrated, as shown in fig. 4, the method includes the following steps:

step S410: upon initialization, the DU of 5G acquires link resource status information of a transmission link with the RU of 5G, the link resource status information including: delay information, bandwidth occupancy information, and bandwidth remainder information.

Step S420: and the DU of 5G sends the link resource state information to the DU of 4G through a preset first message.

Step S430: the 4G DU locally generates a link resource status information list after receiving the link resource status information transmitted by the 5G DU.

Step S440: the DU of the 4G acquires link resource state information of a transmission link with the RU of the 4G at the time of initialization.

Step S450: and the 4G DU transmits the link resource state information to the 5G DU through a preset first message.

Step S460: the 5G DU locally generates a link resource status information list after receiving the link resource status information transmitted by the 4G DU.

It should be understood that there is no limitation in the execution sequence between steps S410 to S430 and steps S440 to S460.

Step S470: when the DU of 5G has new service to trigger the change of the link resource state resource information, the link resource state information of the transmission link between the DU and the RU of 5G is acquired.

Step S480: and the DU of 5G sends the changed link resource state information to the DU of 4G through a preset first message.

Step S490: the 4G DU updates the local link resource status information list after receiving the changed link resource status information transmitted from the 5G DU.

Step S4A0: when the link resource state information is changed due to new service triggering of the DU of the 4G, the link resource state information of a transmission link between the DU and the RU of the 4G is acquired.

Step S4B0: and the 4G DU transmits the changed link resource state information to the 5G DU through a preset first message.

Step S4C0: the 5G DU updates the local link resource status information list after receiving the changed link resource status information transmitted from the 4G DU.

It should be understood that there is no limitation on the execution sequence between steps S470-S490 and steps S4 A0-S4C 0, and steps S470-S490 and steps S4 A0-S4C 0 may be executed multiple times.

In addition, the steps S410 to S4C0 are also required to be performed for the RU of 5G and the RU of 4G, and the relevant steps performed are not identified in fig. 4 for convenience.

Step S4D0: when the DU of 5G sends service data to the RU of 5G, link resource state information of a transmission link between the DU and the RU of 5G is obtained, and the transmission link between the DU and the RU of 5G is judged to not meet the sending condition of the service data according to the link resource state information.

Step S4E0: and judging that the transmission link between the DU of the 4G and the RU of the 4G meets the transmission condition based on the local link resource state information list.

Step S4F0: the DU of 5G generates resource application information and sends the resource application information to the DU of 4G through a preset second message.

Step S4G0: after receiving the resource application information sent by the DU of 5G, the DU of 4G confirms whether to agree or not according to the local current link resource state information and the resource application information in the preset second message.

Step S4H0: and the 4G DU sends the confirmation result to the 5G DU through a preset third message.

Step S4I0: after receiving the acknowledgement result sent by the 4G DU, the 5G DU routes the service data to the 4G DU if the acknowledgement agrees.

Step S4J0: the 4G DU is receiving: when the service data is transmitted by the DU of 5G, it is transmitted to the RU of 4G through the transmission link.

Step S4K0: when the 4G RU receives the service data, if the service data is judged to be the service data which needs to be processed by the 5G RU, the service data is sent to the 5G RU for processing.

By the steps, when congestion occurs to the transmission link between the DU of 5G and the RU of 5G and the transmission link between the DU of 4G and the RU of 4G meets the transmission condition, the technical aim of transmitting the transmission link between the DU of 5G and the RU of 4G to the RU of 5G is achieved.

It should be noted that: an embodiment of the present invention is described by taking 5G borrowing of 4G link resources as an example. However, the technical scheme of the invention is not only applicable to 5G borrowing of 4G or borrowing of 3G and 2G, but also applicable to the service borrowing of any other mobile network in any one of 5G/4G/3G/2G, such as: 4G borrows 5G, or 3G.

As can be seen from the above steps, in the embodiment of the present invention, in the case that congestion occurs in a transmission link between a distribution unit DU and a radio frequency unit RU of a target RAN network, by dynamically sensing and evaluating whether transmission link resources between the DU and the RU of other RAN networks meet a transmission condition for transmitting service data of the RAN network, and transmitting the service data by using a transmission link that meets a transmission condition suitable for transmission, various mobile network service link bandwidths can be shared with each other, thereby realizing the technical purpose of sharing resources in a multi-network service scenario, and maximally utilizing old existing network resources, and solving the problem caused by lack of network resources in the prior art.

Fig. 5 is a schematic structural diagram of a service data transmission device according to an embodiment of the present invention, where the service data transmission device is disposed in a target network element, and the target network element is attributed to a target RAN, and the service data transmission device 5 includes: the link resource management module 510 is configured to interact with a first network element in the first network element set based on a preset first message, and generate a link resource status information list; wherein, the first network elements in the first network element set respectively belong to different RANs different from the target RAN and are the same as the target network element in type, and the list items in the link resource state information list comprise the link resource state information of the transmission link between the first network element in the first network element set and the second network element corresponding to the first network element; a service data sending condition judging module 520, configured to obtain link resource status information of a transmission link between the second network element of the target RAN when sending service data to the second network element of the target RAN, and judge whether the transmission link between the second network element of the target RAN meets the sending condition of the service data according to the link resource status information; and the transmission link selection module 530 is configured to select, based on the link resource status information in the link resource status information list, a transmission link corresponding to the link resource status information satisfying the transmission condition to transmit the service data if the link status information is not satisfied.

Fig. 6 is a schematic diagram of a hardware structure of an electronic device according to an embodiment of the present invention. As shown in fig. 6, the electronic device includes: a memory 610 and a processor 620, wherein the memory 610 and the processor 620 are in communication; the memory 610 and the processor 620 are illustratively in communication via a communication bus 630, the memory 610 being configured to store a computer program, the processor 620 executing the computer program to perform the traffic data transmission method according to the above-described embodiments.

Optionally, the electronic device may further comprise a transmitter and/or a receiver.

Alternatively, the processor may be a central processing unit (Central Processing Unit, CPU), but may also be implemented as other general purpose processor, PLC (Programmable Logic Controller ), FPGA (Field-Programmable Gate Array, field programmable gate array), DSP (Digital Signal Processor ), or ASIC (Application Specific Integrated Circuit, application specific integrated circuit). A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the present invention may be embodied directly in a hardware processor for execution, or in a combination of hardware and software modules in a processor for execution.

The embodiment of the present invention further provides a service data transmission system 7, specifically as shown in fig. 7, including: at least two distribution units DU provided with the service data transmission device 5 according to the above embodiment are respectively: the first DU710 belonging to the first RAN and the second DU720 belonging to the second RAN, and at least two radio frequency units RU provided with the service data transmission device according to the above embodiment are respectively: a first RU730 belonging to a first RAN and a second RU740 belonging to a second RAN.

An embodiment of the present invention provides a storage medium, where the storage medium is used to store a computer program, where the computer program is used to implement the service data transmission method described in any of the foregoing method embodiments.

The embodiment of the invention provides a chip for supporting receiving equipment (such as terminal equipment, network equipment and the like) to realize the functions shown in the embodiment of the invention, and the chip is particularly used for a chip system, wherein the chip system can be formed by the chip, and can also comprise the chip and other discrete devices. When the above method is implemented as a chip in a receiving device, the chip may further comprise a processing unit, which may be, for example, a processor, and when the chip comprises a communication unit, which may be, for example, an input/output interface, pins or circuits, etc. The processing unit executes all or part of actions executed by each processing module in the embodiment of the present invention, and the communication unit may execute corresponding receiving or transmitting actions. In another specific embodiment, the processing module of the receiving device in the embodiment of the present invention may be a processing unit of a chip, and the receiving module or the transmitting module of the control device is a communication unit of the chip.

It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, apparatus (device) 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 employ a computer program product embodied on one or more computer-readable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.

The present application is described with reference to flowchart illustrations of methods, apparatus (devices) and computer program products according to embodiments of the application. It will be understood that each of the flows in the flowchart may be implemented by computer program instructions.

These computer program instructions may be stored in a computer-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 computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows.

These computer program instructions may also 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.

Another embodiment of the present invention is directed to a non-volatile storage medium storing a computer readable program for causing a computer to perform some or all of the method embodiments described above.

That is, it will be understood by those skilled in the art that all or part of the steps in implementing the methods of the embodiments described above may be implemented by specifying relevant hardware by a program, where the program is stored in a storage medium, and includes several instructions for causing a device (which may be a single-chip microcomputer, a chip or the like) or a processor (processor) to perform all or part of the steps in the methods of the embodiments described herein. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A traffic data transmission method applied to a target network element, the target network element being assigned to a target RAN, the method comprising:

2. The method according to claim 1, wherein the method further comprises:

3. The method of claim 1, wherein the generating the link resource status information list based on the interaction between the preset first message and the first network element in the first network element set specifically includes:

4. The method of claim 3, wherein the generating the link resource status information list based on the interaction between the preset first message and the first network element in the first network element set specifically further comprises:

5. The method according to claim 1, wherein the selecting, based on the link resource status information in the link resource status information list, a transmission link corresponding to the link resource status information satisfying the transmission condition to transmit the service data specifically includes:

6. The method according to any of claims 1-5, wherein when the first network element is a distribution unit DU, the second network element is a radio frequency unit RU; when the first network element is a radio frequency unit RU, the second network element is a distribution unit DU.

7. The method according to any one of claims 1-5, wherein the link resource status information comprises: delay information, bandwidth occupation information and bandwidth residual information; the target RAN includes: 2G,3G,4G or 5G.

8. A data transmission apparatus disposed in a target network element, the target network element being assigned to a target RAN, the apparatus comprising:

9. An electronic device comprising a memory and a processor, the memory to store one or more computer program instructions, wherein the one or more computer program instructions are executed by the processor to implement the method of any of claims 1-7.

10. A service data transmission system, comprising: at least two distribution units DU provided with a traffic data transmission device according to claim 8, respectively: a first DU belonging to a first RAN and a second DU belonging to a second RAN, and at least two radio frequency units RU provided with traffic data transmission means according to claim 8, respectively: a first RU belonging to a first RAN and a second RU belonging to a second RAN.

11. A storage medium for storing a computer program for implementing the method of any one of claims 1 to 7.