CN116170285A - Dual-configuration link establishment method, device, equipment and medium based on dual connection - Google Patents
Dual-configuration link establishment method, device, equipment and medium based on dual connection Download PDFInfo
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- CN116170285A CN116170285A CN202310317065.8A CN202310317065A CN116170285A CN 116170285 A CN116170285 A CN 116170285A CN 202310317065 A CN202310317065 A CN 202310317065A CN 116170285 A CN116170285 A CN 116170285A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
- H04L41/0836—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability to enhance reliability, e.g. reduce downtime
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0896—Bandwidth or capacity management, i.e. automatically increasing or decreasing capacities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/12—Discovery or management of network topologies
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Abstract
The application discloses a dual-configuration link establishment method, device, equipment and medium based on dual connection, and belongs to the technical field of communication. The method comprises the following steps: obtaining an IAB host node topological structure; identifying whether there are dual-connection IAB nodes simultaneously connecting at least two IAB parent nodes; acquiring configuration parameters of at least two IAB father nodes connected with the double-connection IAB node; determining a main link and an auxiliary link of a dual-connection IAB node and switching conditions of the main link and the auxiliary link; receiving request data of a data request end through the double-connection IAB node; identifying whether a data result of the request data meets a switching condition of a main link and an auxiliary link of the dual-connection IAB node; and returning a data result to the data request terminal through the double-connection IAB node according to the switched link. By the technical scheme, timeliness and reliability of switching of the user communication link can be improved.
Description
Technical Field
The application belongs to the technical field of communication, and particularly relates to a dual-configuration link establishment method, device, equipment and medium based on dual connection.
Background
With the continuous development of communication technology, more and more fields begin to utilize communication technology to acquire and transmit information. In order to ensure the communication experience of the user side and improve the efficiency and reliability of information transmission, the switching of the information transmission link becomes a hot spot for people to study.
The current switching mode of the information transmission link is mainly to judge whether the current information transmission link needs to be switched by detecting whether the current information transmission link of the user terminal is interrupted or not and whether the transmission quality accords with the standard or not, and select a link with higher communication quality in other links connected with the user terminal as a switched link after determining that the current information transmission link needs to be switched.
In the prior art, the transmission link is switched after the interruption of the current information transmission link of the user terminal is detected, and meanwhile, the links connected with the user terminal are required to be compared in the process of switching the links, so that a proper link is selected. Therefore, when the prior art is used for switching the communication link of the user, the problems of untimely switching of the communication link and reduction of the communication experience of the user exist.
Disclosure of Invention
The purpose of the embodiment of the application is to provide a dual-configuration link establishment method, device, equipment and medium based on dual connection, which can solve the problems of untimely switching of a communication link of a user and poor user communication experience in the prior art, and by acquiring an IAB host node topology structure, identify whether dual-connection IAB nodes which are simultaneously connected with at least two IAB father nodes exist and acquire configuration parameters thereof, determine a main link and an auxiliary link of the dual-connection IAB nodes and switching conditions of the links according to the configuration parameters, identify whether a data result of request data meets the switching conditions and return the data result to a data request end through the dual-connection IAB nodes according to the switched links, thereby improving timeliness and reliability of switching of the user communication link.
In a first aspect, an embodiment of the present application provides a dual-configuration link establishment method based on dual connection, where the method includes:
obtaining an IAB host node topological structure;
identifying whether a double-connection IAB node which is connected with at least two IAB father nodes simultaneously exists in the IAB host node topological structure;
if yes, acquiring configuration parameters of at least two IAB father nodes connected with the double-connection IAB node;
Determining a main link and an auxiliary link of the dual-connection IAB node and switching conditions of the main link and the auxiliary link according to the configuration parameters;
if the double-connection IAB node is connected with a data request end, receiving request data of the data request end through the double-connection IAB node;
identifying whether a data result of the request data meets a switching condition of a main link and an auxiliary link of the dual-connection IAB node;
and if so, returning a data result to the data request terminal through the double-connection IAB node according to the switched link.
Further, determining a primary link and an auxiliary link of the dual-connection IAB node and a handover condition of the primary link and the auxiliary link according to the configuration parameters, including:
determining a main link and an auxiliary link of the dual-connection IAB node according to the bandwidth configuration and the hierarchical configuration of the at least two IAB father nodes; and determining a handover condition of the primary link and the secondary link.
Further, determining the primary link and the secondary link of the dual-connection IAB node according to the bandwidth configuration and the hierarchical configuration of the at least two IAB parent nodes includes:
determining scores of the at least two IAB father nodes according to the bandwidth configuration and the hierarchy configuration of the at least two IAB father nodes and preset bandwidth configuration weights and hierarchy configuration weights;
And determining the links where the IAB father nodes with the highest scores are located as main links and the links where the IAB father nodes with other scores are located as auxiliary links according to the scores of the IAB father nodes.
Further, determining the primary link and the secondary link of the dual-connection IAB node according to the bandwidth configuration and the hierarchical configuration of the at least two IAB parent nodes includes:
determining the information transmission capacity of each link according to the bandwidth configuration and the hierarchical configuration of the at least two IAB father nodes;
and determining the link where the IAB father node with the strongest information transmission capability is located as a main link and the links where other IAB father nodes are located as auxiliary links according to the information transmission capability of each link.
Further, identifying whether the data result of the request data meets the handover condition of the primary link and the secondary link of the dual connectivity IAB node includes:
identifying a data type and a data size of a data result of the request data;
determining whether the auxiliary link meets transmission conditions according to the data type and the data size;
if the transmission condition is met, determining that the switching condition of a main link and an auxiliary link of the dual-connection IAB node is met;
if the transmission condition is not satisfied, determining that the switching condition of the main link and the auxiliary link of the dual-connection IAB node is not satisfied.
Further, determining a primary link and an auxiliary link of the dual-connection IAB node and a handover condition of the primary link and the auxiliary link according to the configuration parameters, including:
determining a main link and an auxiliary link of the dual-connection IAB node according to the configuration parameters;
determining a switching time period according to working parameters of IAB father nodes of the main link and the auxiliary link;
and when the system time reaches the switching time period, determining that the switching conditions of the main link and the auxiliary link are met.
In a second aspect, an embodiment of the present application provides a dual-configuration link establishment apparatus based on dual connection, where the apparatus includes:
the topology acquisition module is used for acquiring an IAB host node topology;
the dual-connection IAB node identification module is used for identifying whether dual-connection IAB nodes which are simultaneously connected with at least two IAB father nodes exist in the IAB host node topological structure;
a configuration parameter obtaining module, configured to obtain configuration parameters of at least two IAB parent nodes connected to the dual-connection IAB node;
the switching condition determining module is used for determining a main link and an auxiliary link of the dual-connection IAB node and switching conditions of the main link and the auxiliary link according to the configuration parameters;
The request data receiving module is used for receiving request data of the data request end through the double-connection IAB node under the condition that the double-connection IAB node is connected with the data request end;
the data result identification module is used for identifying whether the data result of the request data meets the switching condition of the main link and the auxiliary link of the dual-connection IAB node;
and the data result returning module is used for returning the data result to the data request end through the double-connection IAB node according to the switched link under the condition that the data result of the request data meets the switching condition of the main link and the auxiliary link of the double-connection IAB node.
Further, the switching condition determining module is specifically configured to:
determining a main link and an auxiliary link of the dual-connection IAB node according to the bandwidth configuration and the hierarchical configuration of the at least two IAB father nodes; and determining a handover condition of the primary link and the secondary link.
In a third aspect, embodiments of the present application provide an electronic device comprising a processor, a memory and a program or instruction stored on the memory and executable on the processor, the program or instruction implementing the steps of the method according to the first aspect when executed by the processor.
In a fourth aspect, embodiments of the present application provide a readable storage medium having stored thereon a program or instructions which when executed by a processor implement the steps of the method according to the first aspect.
In a fifth aspect, embodiments of the present application provide a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and where the processor is configured to execute a program or instructions to implement a method according to the first aspect.
In this embodiment of the present application, by acquiring an IAB hosting node topology structure, identifying whether there are dual-connection IAB nodes that are simultaneously connected to at least two IAB parent nodes in the IAB hosting node topology structure, if yes, acquiring configuration parameters of at least two IAB parent nodes that are connected to the dual-connection IAB nodes, determining a primary link and an auxiliary link of the dual-connection IAB nodes and a switching condition of the primary link and the auxiliary link according to the configuration parameters, if the dual-connection IAB nodes are connected with a data request end, receiving request data of the data request end through the dual-connection IAB nodes, identifying whether a data result of the request data meets a switching condition of the primary link and the auxiliary link of the dual-connection IAB nodes, and if yes, returning the data result to the data request end through the dual-connection IAB nodes according to the switched links. By the double-configuration link establishment method based on double connection, the problems that in the prior art, the communication link of a user is not switched timely and the user communication experience is poor can be solved, whether double-connection IAB nodes which are simultaneously connected with at least two IAB father nodes exist or not is identified and configuration parameters are acquired by acquiring the IAB host node topology structure, according to the configuration parameters, the main link, auxiliary link and the switching condition of the links of the double-connection IAB nodes are determined, whether the data result of request data meets the switching condition or not is identified, and the data result is returned to the data request end through the double-connection IAB nodes according to the switched links, so that the timeliness and reliability of the user communication link switching can be improved.
Drawings
Fig. 1 is a flow chart of a dual-configuration link establishment method based on dual connection according to an embodiment of the present application;
fig. 2 is a flow chart of a dual-configuration link establishment method based on dual connection according to a second embodiment of the present application;
fig. 3 is a schematic diagram of a determination process of a main link and an auxiliary link according to a second embodiment of the present application;
fig. 4 is a schematic diagram of a determining process of another primary link and secondary link according to the second embodiment of the present application;
fig. 5 is a flow chart of a dual-configuration link establishment method based on dual connection according to the third embodiment of the present application;
fig. 6 is a schematic structural diagram of a dual-configuration link establishment device based on dual connection according to a fourth embodiment of the present application;
fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the following detailed description of specific embodiments thereof is given with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the matters related to the present application are shown in the accompanying drawings. Before discussing exemplary embodiments in more detail, it should be mentioned that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart depicts operations (or steps) as a sequential process, many of the operations can be performed in parallel, concurrently, or at the same time. Furthermore, the order of the operations may be rearranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figures. The processes may correspond to methods, functions, procedures, subroutines, and the like.
Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
The method, the device, the equipment and the medium for establishing the dual-configuration link based on dual connection provided by the embodiment of the application are described in detail through specific embodiments and application scenes thereof with reference to the accompanying drawings.
Example 1
Fig. 1 is a flow chart of a dual-configuration link establishment method based on dual connection according to an embodiment of the present application. As shown in fig. 1, the method specifically comprises the following steps:
s101, obtaining an IAB host node topological structure;
firstly, the usage scenario of the scheme may be a scenario in which the information backhaul quality of the IAB host node needs to be improved, and by configuring a dual link of the dual-link IAB node, the IAB host node may select a backhaul link according to backhaul information, so as to improve information transmission quality.
Based on the usage scenario, optionally, the execution body of the application may be an IAB host node with functions of information transmission, data reception, data processing and the like, where the IAB host node may be used to select a link for information transmission.
In one embodiment, the topology of the IAB host node may include a host node IAB-node connected to the core network via an optical fiber and a plurality of intermediate nodes IAB-nodes connected to the UE, IAB-node, and other IAB nodes via millimeter waves. The IAB-node is configured to perform centralized resource, topology, route management, and the like for an IAB topology, and the IAB-node is deployed in an area which is not covered by the IAB-node, and is configured to connect the UE, the IAB-node, and other IAB-node nodes and transmit the inter-node signals.
Because the IAB-node can obtain the configuration information, IP address information, cell identification information and the like of the parent node and the child node or the UE connected with the IAB-node, the IAB host node can issue a report instruction to each IAB-node to acquire node information of all IAB-nodes and the parent node or the child node connected with the IAB-node, and further acquire the integral topological structure of the IAB host node.
S102, identifying whether a double-connection IAB node which is connected with at least two IAB father nodes simultaneously exists in the IAB host node topological structure;
in an embodiment, an IAB parent node may be a higher node of a certain IAB node in an IAB host node topology, i.e. the IAB parent node needs to be connected to a UE through one or more other IAB nodes. The dual-connection IAB node may be an IAB node connected to at least two of the IAB parent nodes, and the dual-connection IAB node may be a next-level or multi-level node of the IAB parent nodes. And determining whether a dual-connection IAB node simultaneously connecting at least two IAB father nodes exists or not by identifying each link structure connecting the UE and the IAB host node in the IAB host node topological structure.
S103, if yes, acquiring configuration parameters of at least two IAB father nodes connected with the double-connection IAB node;
In an embodiment, the configuration parameters of the IAB parent node may be parameters configured with the upper node DU, parameters configured with the lower node MT, routing parameters, and the like. If the dual-connection IAB node which is connected with at least two IAB father nodes simultaneously exists in the IAB host node topological structure, a test instruction can be sent to the IAB father node, and a test report reported by the IAB father node can be received in a wireless transmission mode, so that configuration parameters of the at least two IAB father nodes connected with the dual-connection IAB node can be obtained.
S104, determining a main link and an auxiliary link of the dual-connection IAB node and switching conditions of the main link and the auxiliary link according to the configuration parameters;
in an embodiment, the primary link may be a primary link for returning the IAB host node information to the UE, where configuration parameters of an IAB parent node in the primary link conform to most of information transmission configurations, and have higher transmission efficiency and reliability. The auxiliary link may be a link for returning information that the main link cannot transmit. In particular, the primary link and the secondary link may be used to transmit different types of data information and have different transmission rates, respectively, for example: the IAB parent node may be configured to adapt to transmit data, have a higher transmission rate, or have a link with a lower number of stages from the IAB parent node to the dual-link IAB node as a primary link; the IAB parent node is configured to be suitable for transmitting pictures as well as video and has a link with a large channel capacity as an auxiliary link.
In an embodiment, the dual-link IAB node is connected to at least two IAB parent nodes, so that the main link and the auxiliary link may be multiple, and the main link and the auxiliary link may be switched to each other, and the main link is selected to perform information backhaul by default, and when a signal interruption occurs in the main link and configuration of the main link is not suitable for transmitting a current signal, the IAB host node may switch a transmission link of the signal from the main link to the auxiliary link. The switching condition of the main link and the auxiliary link may be a condition that the main link cannot transmit back current information, and specifically may be determined according to a type of information transmitted back, a node configuration in the link, a receiving requirement of the UE, and the like.
S105, if the double-connection IAB node is connected with a data request end, receiving request data of the data request end through the double-connection IAB node;
in an embodiment, the data request end may be a port disposed on the dual-connection IAB node DU and configured to receive the request data of the UE transmitted by a lower node of the dual-connection IAB node. The request data may be data content of the request feedback sent by the UE, including information, pictures, installation packages, etc. that need to be downloaded or transmitted. And if the double-connection IAB node is connected with the data request end, receiving request data of the data request end through the double-connection IAB node.
S106, identifying whether a data result of the request data meets a switching condition of a main link and an auxiliary link of the dual-connection IAB node;
in an embodiment, the data result of the request data may be data acquired and returned by the IAB host node from a core network according to the request data of the UE. Because the data types, the transmission rates and the channel capacities of the main link and the auxiliary link of the dual-connection IAB node are not completely consistent, the IAB host node can judge whether the data results meet the switching conditions of the main link and the auxiliary link of the dual-connection IAB node by identifying the data sizes, the data types and the like of the data results of the request data. The switching condition may be whether the data result of the request data accords with the data size, the transmission rate, the data type and the like that can be transmitted by the current transmission link, if not, the switching condition is satisfied, and the transmission link is switched; if yes, the switching condition is not met, and the current link transmission is continuously utilized.
And S107, if yes, returning a data result to the data request end through the double-connection IAB node according to the switched link.
In an embodiment, if the IAB hosting node identifies that the data result of the request data meets the handover condition of the primary link and the auxiliary link of the dual-connection IAB node, the data result is returned to the data request terminal through the dual-connection IAB node according to the handover link.
According to the technical scheme provided by the embodiment, whether a double-connection IAB node which is connected with at least two IAB father nodes simultaneously exists in the IAB host node topological structure is identified by acquiring the IAB host node topological structure, if yes, configuration parameters of at least two IAB father nodes connected with the double-connection IAB node are acquired, a main link and an auxiliary link of the double-connection IAB node and switching conditions of the main link and the auxiliary link are determined according to the configuration parameters, if the double-connection IAB node is connected with a data request end, request data of the data request end is received through the double-connection IAB node, whether a data result of the request data meets switching conditions of the main link and the auxiliary link of the double-connection IAB node is identified, and if yes, the data result is returned to the data request end through the double-connection IAB node according to the switched link. By the double-configuration link establishment method based on double connection, the problems that in the prior art, the communication link of a user is not switched timely and the user communication experience is poor can be solved, whether double-connection IAB nodes which are simultaneously connected with at least two IAB father nodes exist or not is identified and configuration parameters are acquired by acquiring the IAB host node topology structure, according to the configuration parameters, the main link, auxiliary link and the switching condition of the links of the double-connection IAB nodes are determined, whether the data result of request data meets the switching condition or not is identified, and the data result is returned to the data request end through the double-connection IAB nodes according to the switched links, so that the timeliness and reliability of the user communication link switching can be improved.
Example two
Fig. 2 is a flow chart of a dual-configuration link establishment method based on dual connection according to a second embodiment of the present application. As shown in fig. 2, the method specifically comprises the following steps:
s201, obtaining an IAB host node topological structure;
s202, identifying whether a double-connection IAB node which is connected with at least two IAB father nodes simultaneously exists in the IAB host node topological structure;
s203, if yes, acquiring configuration parameters of at least two IAB father nodes connected with the dual-connection IAB node;
s204, determining a main link and an auxiliary link of the dual-connection IAB node according to the bandwidth configuration and the hierarchical configuration of the at least two IAB father nodes; determining the switching conditions of a main link and the auxiliary link;
in an embodiment, the bandwidth configuration of the IAB parent node may be a bandwidth size of the IAB node, and the hierarchy configuration may be a progression of the IAB parent node to the dual-connectivity IAB node. The IAB hosting node may determine the primary link and the secondary link of the dual-connection IAB node according to the bandwidth configuration and the hierarchy configuration of the at least two IAB parent nodes, specifically, may set a bandwidth threshold and a hierarchy configuration threshold according to the type of transmission information and the configuration of the IAB parent node, take a node with a bandwidth higher than the bandwidth threshold and a hierarchy configuration lower than the hierarchy configuration threshold as the primary link, and take a node with a bandwidth lower than or equal to the bandwidth threshold and a hierarchy configuration higher than or equal to the hierarchy configuration threshold as the secondary link. Because the dual-connection IAB node is connected with at least two IAB father nodes, the main link and the auxiliary link can be multiple, the main link and the auxiliary link can be divided into multiple levels according to the configuration of the IAB father nodes, and when information is returned, the main link is preferentially selected as a transmission link. The switching condition of the main link and the auxiliary link may be a bandwidth configuration of an IAB parent node in the main link and a limit of information that can be transmitted by hierarchical configuration, and when the information exceeds a transmission information limit range of the IAB parent node in the main link, the auxiliary link is selected as an information return link.
Fig. 3 is a schematic diagram of a determination process of a main link and an auxiliary link according to a second embodiment of the present application. As shown in fig. 3, the method specifically comprises the following steps:
s301, determining scores of the at least two IAB father nodes according to the bandwidth configuration and the hierarchy configuration of the at least two IAB father nodes and preset bandwidth configuration weights and hierarchy configuration weights;
in an embodiment, the score of the IAB parent node may be calculated according to the bandwidth configuration, the hierarchy configuration, and the preset bandwidth configuration weight and hierarchy configuration weight of the at least two IAB parent nodes. Specifically, the larger the bandwidth in the bandwidth configuration of the IAB parent node is, the larger the information transmission range and the transmission rate are; the smaller the number of levels in the hierarchical configuration, the higher the information transmission rate and reliability. Different weights can be set according to the difference size of bandwidth configuration among each IAB father node and the difference size of hierarchical configuration, and when the bandwidth configuration difference is smaller, larger weights can be set for the hierarchical configuration; when the bandwidth configuration difference is large, a large weight can be set for the bandwidth, and then the scores of the at least two IAB father nodes are determined.
S302, determining the link where the IAB father node with the highest score is located as a main link and the links where the IAB father nodes with other scores are located as auxiliary links according to the scores of the IAB father nodes.
In an embodiment, the IAB hosting node may use, according to the scores of the IAB parent nodes, the link where the IAB parent node with the highest score is located as the main link, and the links where the IAB parent nodes with other scores are located as the auxiliary links. Specifically, the main link may be a link with the highest transmission rate and reliability.
In an embodiment, according to the bandwidth configuration and the hierarchy configuration of the at least two IAB father nodes and the preset bandwidth configuration weight and hierarchy configuration weight, the scores of the at least two IAB father nodes are determined, the link where the IAB father node with the highest score is determined to be the main link, the links where the other IAB father nodes with the highest scores are determined to be the auxiliary links, and the reliability of the selection of the main link and the auxiliary links can be improved.
Fig. 4 is a schematic diagram of a determination process of another primary link and an auxiliary link according to the second embodiment of the present application. As shown in fig. 4, the method specifically comprises the following steps:
s401, determining the information transmission capacity of each link according to the bandwidth configuration and the hierarchical configuration of the at least two IAB father nodes;
In an embodiment, the information transmission capability of each link may be a transmission rate, a transmission reliability, a size of transmission data, and the like of each link. The IAB host node may compare the historical transmission data of the IAB parent nodes with different bandwidth configurations and hierarchical configurations, determine the transmission data capacity of the IAB parent nodes with the same bandwidth configuration and hierarchical configuration, and further determine the information transmission capacity of each link where the IAB parent node is located.
S402, determining the link where the IAB father node with the strongest information transmission capability is located as a main link and the links where other IAB father nodes are located as auxiliary links according to the information transmission capability of each link.
In an embodiment, the IAB parent node with the strongest information transmission capability may be the IAB parent node with the highest data transmission type, the fastest transmission rate, and the highest reliability. The IAB host node may determine, according to the information transmission capability of each link, a link where an IAB parent node with the strongest information transmission capability is located as a main link, and links where other IAB parent nodes are located as auxiliary links.
In an embodiment, according to the bandwidth configuration and the hierarchical configuration of the at least two IAB parent nodes, the information transmission capability of each link is determined, and according to the information transmission capability of each link, the link where the IAB parent node with the strongest information transmission capability is determined to be the main link, and the links where other IAB parent nodes are located are taken as auxiliary links, so that the reliability of the selection of the main link and the auxiliary links can be improved.
S205, if the double-connection IAB node is connected with a data request end, receiving request data of the data request end through the double-connection IAB node;
s206, identifying the data type and the data size of the data result of the request data;
in an embodiment, the data type of the data result may be the type of data requested to be returned by the UE, for example: picture data, information data, installation package data, and the like. The IAB host node can identify the data type and the data size of the data result through the data result of the request data returned by the core network.
S207, determining whether the auxiliary link meets transmission conditions according to the data type and the data size;
in an embodiment, the backhaul link of the data result of the request data may default to the primary link of the dual connectivity IAB node. The transmission condition may be a condition that a data result of the request data can be transmitted, a condition that a transmission rate and reliability are higher than those of the current link transmission, or the like. It may be determined whether an auxiliary link satisfies a transmission condition, that is, whether the auxiliary link is capable of transmitting the data type and the data size of the data result of the request data, and whether a transmission rate and reliability of the auxiliary link to the data result of the request data are higher than those of the main link, according to the data type and the data size of the data result of the request data.
S208, if the transmission condition is met, determining that the switching condition of the main link and the auxiliary link of the dual-connection IAB node is met;
in an embodiment, the handover condition may be a condition that the data result of the request data is handed over from the primary link of the dual connectivity IAB node to the secondary link of the dual connectivity IAB node. If the auxiliary link meets the transmission condition, determining that the data result of the request data meets the switching condition of the main link and the auxiliary link of the double-connection IAB node, and further switching the return link of the data result of the request data to the auxiliary link.
S209, if the transmission condition is not met, determining that the switching condition of the main link and the auxiliary link of the dual-connection IAB node is not met;
in an embodiment, if the auxiliary link does not meet the transmission condition, it is determined that the data result of the request data does not meet the switching condition of the main link and the auxiliary link of the dual-connection IAB node, and then data backhaul is performed on the data result of the request data by adopting the main link.
And S210, if yes, returning a data result to the data request end through the double-connection IAB node according to the switched link.
According to the technical scheme provided by the embodiment, the main link and the auxiliary link of the double-connection IAB node are determined according to the bandwidth configuration and the hierarchical configuration of the at least two IAB father nodes, the switching conditions of the main link and the auxiliary link are determined, the data type and the data size of the data result of the request data are identified, whether the auxiliary link meets the transmission conditions is determined according to the data type and the data size, and further whether the link switching is performed on the data result of the request data is determined, so that the timeliness and the reliability of the link switching of the data result can be improved.
Example III
Fig. 5 is a flow chart of a dual-configuration link establishment method based on dual connection according to the third embodiment of the present application. As shown in fig. 6, the method specifically comprises the following steps:
s501, obtaining an IAB host node topological structure;
s502, identifying whether a double-connection IAB node which is connected with at least two IAB father nodes simultaneously exists in the IAB host node topological structure;
s503, if yes, acquiring configuration parameters of at least two IAB father nodes connected with the dual-connection IAB node;
s504, determining a main link and an auxiliary link of the dual-connection IAB node according to the configuration parameters;
In this scheme, the primary link and the secondary link of the dual-connection IAB node may be determined according to the configuration parameters of the IAB parent node. For example: the link where the IAB parent node with larger bandwidth and fewer levels in the configuration parameters is located may be used as a primary link, and the other links may be used as secondary links.
S505, determining a switching time period according to the working parameters of the IAB father nodes of the main link and the auxiliary link;
in this scheme, the working parameter of the IAB parent node may be a power consumption parameter when the IAB parent node performs information feedback, where the greater the working parameter is, the faster the information transmission rate of the IAB parent node is. The switching time period may be a time period when the information backhaul link is switched from the current link to other links, specifically, may be determined according to working parameters of the main link and an IAB father node of the auxiliary link, and when the working parameters of the IAB father node meet a rate of transmitting a current information transmission request of the UE, the current transmission link may be used for transmission, so as to save energy consumption; when the working parameter of the IAB father node is lower than the speed of transmitting the current information transmission request of the UE, the current transmission link can be switched to a transmission link with larger working parameter, so that the information returning efficiency is improved.
S506, determining that the switching conditions of the main link and the auxiliary link are met when the system time reaches the switching time period;
in this scheme, the switching conditions of the main link and the auxiliary link may be determined according to the switching period, and when the system time reaches the switching period, the switching conditions of the main link and the auxiliary link are determined to be satisfied. For example: 7:00 to 9:00 is the peak period of the information transmission request of the UE, then at night 7: and switching the transmission link to a link with larger working parameters of the IAB father node at the moment of 00 to transmit information, wherein 9 is at night: and switching the transmission link back to the original link at the moment of 00 for information transmission.
S507, if the dual-connection IAB node is connected with a data request end, receiving request data of the data request end through the dual-connection IAB node;
s508, identifying whether the data result of the request data meets the switching condition of a main link and an auxiliary link of the dual-connection IAB node;
and S509, if so, returning a data result to the data request terminal through the double-connection IAB node according to the switched link.
According to the technical scheme provided by the embodiment, the main link and the auxiliary link of the double-connection IAB node are determined according to the configuration parameters of at least two IAB father nodes connected with the double-connection IAB node, the switching time period is determined according to the working parameters of the main link and the IAB father nodes of the auxiliary link, and when the system time reaches the switching time period, the switching conditions of the main link and the auxiliary link are determined to be met, so that the timeliness and the reliability of link switching can be improved.
Example IV
Fig. 6 is a schematic structural diagram of a dual-configuration link establishment device based on dual connection according to a fourth embodiment of the present application. As shown in fig. 6, the method specifically includes the following steps:
a topology acquisition module 601, configured to acquire an IAB host node topology;
a dual-connection IAB node identification module 602, configured to identify whether there are dual-connection IAB nodes that are simultaneously connected to at least two IAB parent nodes in the IAB host node topology structure;
a configuration parameter obtaining module 603, configured to obtain configuration parameters of at least two IAB parent nodes connected to the dual-connection IAB node;
a handover condition determining module 604, configured to determine a primary link and an auxiliary link of the dual-link IAB node, and a handover condition of the primary link and the auxiliary link according to the configuration parameter;
A request data receiving module 605, configured to receive, when the dual-connection IAB node is connected to a data request end, request data of the data request end through the dual-connection IAB node;
a data result identifying module 606, configured to identify whether a data result of the request data meets a handover condition of a primary link and an auxiliary link of the dual connectivity IAB node;
and a data result returning module 607, configured to return, when the data result of the request data meets the switching condition of the primary link and the auxiliary link of the dual-connection IAB node, the data result to the data request end through the dual-connection IAB node according to the switched link.
Further, the switching condition determining module is specifically configured to:
determining a main link and an auxiliary link of the dual-connection IAB node according to the bandwidth configuration and the hierarchical configuration of the at least two IAB father nodes; and determining a handover condition of the primary link and the secondary link.
Further, the switching condition determining module is specifically configured to:
determining scores of the at least two IAB father nodes according to the bandwidth configuration and the hierarchy configuration of the at least two IAB father nodes and preset bandwidth configuration weights and hierarchy configuration weights;
And determining the links where the IAB father nodes with the highest scores are located as main links and the links where the IAB father nodes with other scores are located as auxiliary links according to the scores of the IAB father nodes.
Further, the switching condition determining module is specifically configured to:
determining the information transmission capacity of each link according to the bandwidth configuration and the hierarchical configuration of the at least two IAB father nodes;
and determining the link where the IAB father node with the strongest information transmission capability is located as a main link and the links where other IAB father nodes are located as auxiliary links according to the information transmission capability of each link.
Further, the switching condition determining module is specifically configured to:
identifying a data type and a data size of a data result of the request data;
determining whether the auxiliary link meets transmission conditions according to the data type and the data size;
if the transmission condition is met, determining that the switching condition of a main link and an auxiliary link of the dual-connection IAB node is met;
if the transmission condition is not satisfied, determining that the switching condition of the main link and the auxiliary link of the dual-connection IAB node is not satisfied.
Further, the switching condition determining module is specifically configured to:
determining a main link and an auxiliary link of the dual-connection IAB node according to the configuration parameters;
Determining a switching time period according to working parameters of IAB father nodes of the main link and the auxiliary link;
and when the system time reaches the switching time period, determining that the switching conditions of the main link and the auxiliary link are met.
According to the technical scheme provided by the embodiment, a topology acquisition module is used for acquiring an IAB host node topology; the dual-connection IAB node identification module is used for identifying whether dual-connection IAB nodes which are simultaneously connected with at least two IAB father nodes exist in the IAB host node topological structure; a configuration parameter obtaining module, configured to obtain configuration parameters of at least two IAB parent nodes connected to the dual-connection IAB node; the switching condition determining module is used for determining a main link and an auxiliary link of the dual-connection IAB node and switching conditions of the main link and the auxiliary link according to the configuration parameters; the request data receiving module is used for receiving request data of the data request end through the double-connection IAB node under the condition that the double-connection IAB node is connected with the data request end; the data result identification module is used for identifying whether the data result of the request data meets the switching condition of the main link and the auxiliary link of the dual-connection IAB node; and the data result returning module is used for returning the data result to the data request end through the double-connection IAB node according to the switched link under the condition that the data result of the request data meets the switching condition of the main link and the auxiliary link of the double-connection IAB node. By the double-configuration link establishing device based on double connection, the problems that in the prior art, the communication link of a user is not switched timely and the user communication experience is poor can be solved, whether double-connection IAB nodes which are simultaneously connected with at least two IAB father nodes exist or not is identified and configuration parameters are acquired by acquiring the IAB host node topology structure, according to the configuration parameters, the main link, auxiliary link and the switching condition of the links of the double-connection IAB nodes are determined, whether the data result of request data meets the switching condition or not is identified, and the data result is returned to the data request end through the double-connection IAB nodes according to the switched links, so that the timeliness and reliability of the user communication link switching can be improved.
The dual-configuration link establishment device based on dual connection in the embodiment of the present application may be a device, or may 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 cell phone, tablet computer, notebook computer, palm computer, vehicle-mounted electronic device, wearable device, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), netbook or personal digital assistant (personal digital assistant, PDA), etc., and the non-mobile electronic device may be a server, network attached storage (Network Attached Storage, NAS), personal computer (personal computer, PC), television (TV), teller machine or self-service machine, etc., and the embodiments of the present application are not limited in particular.
The dual-connection-based dual-configuration link establishment device in the embodiment of the present application may 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, which are not specifically limited in the embodiments of the present application.
The dual-configuration link establishment device based on dual connection provided in the embodiment of the present application can implement each process implemented by the method embodiments of fig. 1 to 2, and in order to avoid repetition, a description is omitted here.
Example five
As shown in fig. 7, the embodiment of the present application further provides an electronic device 700, including a processor 701, a memory 702, and a program or an instruction stored in the memory 702 and capable of running on the processor 701, where the program or the instruction implements each process of the above-mentioned dual-configuration link establishment method embodiment based on dual connectivity when executed by the processor 701, and the same technical effects can be achieved, and for avoiding repetition, a detailed description is omitted herein.
The electronic device in the embodiment of the application includes the mobile electronic device and the non-mobile electronic device described above.
Example six
The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the processes of the above-mentioned dual-configuration link establishment method embodiment based on dual connection are implemented, and the same technical effects can be achieved, so that repetition is avoided, and no redundant description is provided herein.
Wherein the processor is a processor in the electronic device described in the above embodiment. The readable storage medium includes a computer readable storage medium such as a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
Example seven
The embodiment of the application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled with the processor, the processor is configured to run a program or an instruction, implement each process of the dual-configuration link establishment method embodiment based on dual connection, and achieve the same technical effect, so that repetition is avoided, and no redundant description is provided herein.
It should be understood that the chips referred to in the embodiments of the present application may also be referred to as system-on-chip chips, chip systems, or system-on-chip chips, etc.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
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 solutions of the present application may be embodied essentially or in a part contributing to the prior art in the form of a computer software product stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk), comprising several instructions for causing a terminal (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the methods described in the embodiments of the present application.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.
The foregoing description is only of the preferred embodiments of the present application and the technical principles employed. The present application is not limited to the specific embodiments described herein, but is capable of numerous obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the present application. Therefore, while the present application has been described in connection with the above embodiments, the present application is not limited to the above embodiments, but may include many other equivalent embodiments without departing from the spirit of the present application, and the scope of the present application is determined by the scope of the claims.
Claims (10)
1. A dual-configuration link establishment method based on dual connections, characterized in that the method is performed by an IAB host node; the method comprises the following steps:
obtaining an IAB host node topological structure;
identifying whether a double-connection IAB node which is connected with at least two IAB father nodes simultaneously exists in the IAB host node topological structure;
if yes, acquiring configuration parameters of at least two IAB father nodes connected with the double-connection IAB node;
determining a main link and an auxiliary link of the dual-connection IAB node and switching conditions of the main link and the auxiliary link according to the configuration parameters;
If the double-connection IAB node is connected with a data request end, receiving request data of the data request end through the double-connection IAB node;
identifying whether a data result of the request data meets a switching condition of a main link and an auxiliary link of the dual-connection IAB node;
and if so, returning a data result to the data request terminal through the double-connection IAB node according to the switched link.
2. The method of claim 1, wherein determining a primary link and a secondary link of a dual connectivity IAB node, and a handover condition of the primary link and the secondary link, based on the configuration parameters, comprises:
determining a main link and an auxiliary link of the dual-connection IAB node according to the bandwidth configuration and the hierarchical configuration of the at least two IAB father nodes; and determining a handover condition of the primary link and the secondary link.
3. The method of claim 2, wherein determining the primary link and the secondary link of the dual-connection IAB node based on the bandwidth configuration and the hierarchical configuration of the at least two IAB parent nodes comprises:
determining scores of the at least two IAB father nodes according to the bandwidth configuration and the hierarchy configuration of the at least two IAB father nodes and preset bandwidth configuration weights and hierarchy configuration weights;
And determining the links where the IAB father nodes with the highest scores are located as main links and the links where the IAB father nodes with other scores are located as auxiliary links according to the scores of the IAB father nodes.
4. The method of claim 2, wherein determining the primary link and the secondary link of the dual-connection IAB node based on the bandwidth configuration and the hierarchical configuration of the at least two IAB parent nodes comprises:
determining the information transmission capacity of each link according to the bandwidth configuration and the hierarchical configuration of the at least two IAB father nodes;
and determining the link where the IAB father node with the strongest information transmission capability is located as a main link and the links where other IAB father nodes are located as auxiliary links according to the information transmission capability of each link.
5. The method according to claim 3 or 4, wherein identifying whether the data result of the request data satisfies a handover condition of a primary link and a secondary link of a dual connectivity IAB node comprises:
identifying a data type and a data size of a data result of the request data;
determining whether the auxiliary link meets transmission conditions according to the data type and the data size;
if the transmission condition is met, determining that the switching condition of a main link and an auxiliary link of the dual-connection IAB node is met;
If the transmission condition is not satisfied, determining that the switching condition of the main link and the auxiliary link of the dual-connection IAB node is not satisfied.
6. The method of claim 1, wherein determining a primary link and a secondary link of a dual connectivity IAB node, and a handover condition of the primary link and the secondary link, based on the configuration parameters, comprises:
determining a main link and an auxiliary link of the dual-connection IAB node according to the configuration parameters;
determining a switching time period according to working parameters of IAB father nodes of the main link and the auxiliary link;
and when the system time reaches the switching time period, determining that the switching conditions of the main link and the auxiliary link are met.
7. A dual-configuration link establishment apparatus based on dual connections, wherein said apparatus is configured with an IAB host node; the device comprises:
the topology acquisition module is used for acquiring an IAB host node topology;
the dual-connection IAB node identification module is used for identifying whether dual-connection IAB nodes which are simultaneously connected with at least two IAB father nodes exist in the IAB host node topological structure;
a configuration parameter obtaining module, configured to obtain configuration parameters of at least two IAB parent nodes connected to the dual-connection IAB node;
The switching condition determining module is used for determining a main link and an auxiliary link of the dual-connection IAB node and switching conditions of the main link and the auxiliary link according to the configuration parameters;
the request data receiving module is used for receiving request data of the data request end through the double-connection IAB node under the condition that the double-connection IAB node is connected with the data request end;
the data result identification module is used for identifying whether the data result of the request data meets the switching condition of the main link and the auxiliary link of the dual-connection IAB node;
and the data result returning module is used for returning the data result to the data request end through the double-connection IAB node according to the switched link under the condition that the data result of the request data meets the switching condition of the main link and the auxiliary link of the double-connection IAB node.
8. The apparatus of claim 7, wherein the handover condition determination module is specifically configured to:
determining a main link and an auxiliary link of the dual-connection IAB node according to the bandwidth configuration and the hierarchical configuration of the at least two IAB father nodes; and determining a handover condition of the primary link and the secondary link.
9. 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 dual connectivity based dual configuration link establishment method of any of claims 1 to 6.
10. A readable storage medium, characterized in that it has stored thereon a program or instructions which, when executed by a processor, implement the steps of the dual connectivity based dual configuration link establishment method according to any of claims 1-6.
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