WO2015180173A1 - 无线网络控制方法和无线网络控制器 - Google Patents
无线网络控制方法和无线网络控制器 Download PDFInfo
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- WO2015180173A1 WO2015180173A1 PCT/CN2014/079005 CN2014079005W WO2015180173A1 WO 2015180173 A1 WO2015180173 A1 WO 2015180173A1 CN 2014079005 W CN2014079005 W CN 2014079005W WO 2015180173 A1 WO2015180173 A1 WO 2015180173A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/10—Access point devices adapted for operation in multiple networks, e.g. multi-mode access points
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/12—Access point controller devices
Definitions
- the present invention relates to the field of wireless communication technologies, and in particular, to a wireless network control method and a wireless network controller. Background technique
- the second generation (2nd Generation, 2G) wireless communication network is stable, and the third generation (3rd Generation, 3G) wireless communication network enhances the user's data service experience.
- the fourth generation (4th Generation, 4G) wireless communication network is gradually deployed. .
- GSM Global System for Mobile communication
- UMTS Universal Mobile Telecommunications System
- LTE Long Term Evolution
- each network standard has an independent control mechanism.
- independent control and management of each network standard consumes excessive system resources, and It is not conducive to the collaborative management of multiple networks.
- Embodiments of the present invention provide a wireless network control method and a wireless network controller, which are used for unified management of multiple types of wireless networks.
- the first aspect provides a wireless network controller, including:
- a measurement control unit configured to receive wireless network information sent by the network node, where the wireless network information includes wireless channel information and service service information;
- a wireless network information management unit configured to determine, according to the wireless network information received by the measurement control unit, a wireless network function that needs to be triggered and an algorithm corresponding to the wireless network function;
- the wireless network information required by the algorithm is encapsulated into a wireless network information combination of the algorithm;
- An algorithm management unit configured to determine an execution policy of the algorithm according to the wireless network information combination encapsulated by the wireless network information management unit;
- a process management unit configured to generate execution control signaling according to the execution policy determined by the algorithm management unit, and send the execution control signaling to the network node, so that the network node completes the wireless network function.
- the measurement control unit is further configured to receive the access request information sent by the network node.
- the wireless network information management unit is further configured to determine, according to the access request message received by the measurement control unit, Wireless network information measurement configuration of the network node, the wireless network information measurement configuration including the measured execution entity, the measurement object, and the reporting period
- the measurement control unit includes:
- a wireless network information measurement configuration management subunit configured to generate measurement signaling process call information according to the wireless network information measurement configuration
- a measurement control signaling management subunit configured to invoke preset measurement control signaling according to the measurement signaling process call information generated by the wireless network information measurement configuration management subunit;
- a measurement control signaling processing and distribution subunit configured to send measurement control signaling invoked by the management subunit to the network node; and receive wireless network information sent by the network node.
- the wireless network information management unit includes:
- a wireless network information management subunit configured to store a wireless network received by the measurement control unit
- a wireless network function triggering management sub-unit configured to: when the at least one wireless network information in the wireless network information in the wireless network information management sub-unit reaches a preset trigger condition, determine, according to a preset wireless network function trigger list, An algorithm corresponding to the wireless network function to be triggered and the wireless network function;
- a wireless network function requirement management subunit configured to encapsulate, according to a preset wireless network information list, the wireless network information required by the algorithm determined by the wireless network function trigger management subunit A combination of wireless network information for the algorithm.
- the algorithm management unit includes:
- An algorithm management subunit configured to select a corresponding algorithm according to the wireless network information combination encapsulated by the wireless network information management unit, and generate an operation result of the algorithm, where the operation result includes an execution flow and a configuration parameter of the network node;
- An algorithm flow management subunit configured to determine an execution strategy of the algorithm according to an operation result of the algorithm generated by the algorithm management subunit.
- the process management unit includes:
- An execution control signaling management subunit configured to generate execution control signaling flow call information according to the execution policy determined by the algorithm management unit;
- control signaling management subunit configured to invoke preset execution control signaling according to the control signaling flow call information generated by the execution control signaling management subunit
- Executing a control signaling processing and distribution subunit configured to send, to the network node, execution control signaling invoked by the control signaling management subunit.
- the radio network controller further includes:
- the wireless network function configuration unit is configured to configure a wireless network information combination required by an algorithm corresponding to each wireless network function when a new wireless network function needs to be configured; configure a trigger condition of each wireless network function; and configure an execution strategy of each algorithm.
- the second aspect of configuring the execution control signaling corresponding to each execution policy provides a wireless network control method, including:
- wireless network information sent by the network node, where the wireless network information includes wireless channel information and service service information;
- the receiving, by the network node, the wireless network information, before the wireless network information includes the wireless channel information and the service service information the method further includes: receiving the connection sent by the network node Into the request information.
- the method further includes:
- the wireless network information measurement configuration includes a measured execution entity, a measurement object, and a reporting period.
- the method after receiving the access request information sent by the network node, the method further includes:
- the determining, according to the wireless network information, determining a wireless network function that needs to be triggered Before the algorithm corresponding to the wireless network function the method further includes:
- Encapsulating the wireless network information required by the algorithm into a wireless network information combination of the algorithm including:
- the wireless network information required by the algorithm to be triggered is encapsulated into a wireless network information combination of the algorithm according to a preset wireless network information list.
- the wireless network information combination according to the algorithm determines the algorithm Implementation strategy, including:
- the operation result includes an execution flow and a configuration parameter of the network node
- An execution strategy of the algorithm is determined according to an operation result of the algorithm.
- the generating the execution control signaling according to the execution policy includes:
- the preset execution control signaling is invoked according to the control signaling procedure call information.
- the method further includes:
- the wireless network control method and the wireless network controller provided by the embodiments of the present invention add a wireless network controller to the network, and the wireless network controller determines the wireless network function that needs to be triggered by receiving the wireless network information sent by the network node in the network. And control each network node to complete the wireless network function. Due to the centralized wireless network control, the wireless network controller can simultaneously control multiple wireless networks at the same time, achieving centralized management of multiple networks, thereby saving system resources.
- 1 is a schematic diagram of the architecture of a wireless network system
- FIG. 2 is a schematic structural diagram of a radio network controller according to an embodiment of the present invention.
- FIG. 3 is a schematic structural diagram of a measurement control unit in a radio network controller according to an embodiment of the present invention.
- FIG. 4 is a schematic structural diagram of a wireless network information management unit in a radio network controller according to an embodiment of the present invention
- FIG. 5 is a schematic structural diagram of an algorithm management unit in a radio network controller according to an embodiment of the present disclosure
- FIG. 6 is a schematic structural diagram of a process management unit in a radio network controller according to an embodiment of the present invention.
- FIG. 7 is a schematic structural diagram of another embodiment of a radio network controller according to an embodiment of the present invention
- FIG. 8 is a flowchart of Embodiment 1 of a radio network control method according to an embodiment of the present invention
- FIG. 10 is a flowchart of Embodiment 3 of a method for controlling a wireless network according to an embodiment of the present invention
- FIG. 11 is a flowchart of Embodiment 4 of a method for controlling a wireless network according to an embodiment of the present invention
- FIG. 12 is a flowchart of Embodiment 5 of a method for controlling a wireless network according to an embodiment of the present invention
- FIG. 13 is a flowchart of Embodiment 6 of a method for controlling a wireless network according to an embodiment of the present invention
- FIG. 15 and FIG. 16 are schematic diagrams of a specific implementation method for performing load balancing in a wireless network control method according to an embodiment of the present disclosure
- FIG. 17 is a schematic structural diagram of still another embodiment of a radio network controller according to an embodiment of the present invention. detailed description
- FIG. 1 is a schematic structural diagram of a wireless network system.
- a wireless network is composed of three network standards: a GSM network 11, a UMTS network 12, and an LTE network 13.
- the GSM network includes a plurality of access nodes 101 and A number of user equipments (UEs) 102, a plurality of access nodes 103 and a plurality of UEs 104 are included in the UMTS network 12.
- the LTE network 13 includes a plurality of access nodes 105 and a plurality of UEs 106.
- the access node 101, the access node 103, and the access node 105 may be any form of access node, such as an evolved Node B (eNB), a macro base station, a micro base station, and the like.
- the UE 102 accesses any of the access nodes 101, respectively.
- the UEs 104 access any of the access nodes 103, respectively, and the UEs 106 access any of the access nodes 105.
- the radio network controller 14 provided in this embodiment is disposed in the network, and can be connected to all the access nodes 101, the access node 103, the access node 105, the UE 102, the UE 104, and the UE 106 in the network through any connection manner, and performs Communication.
- All the access nodes 101, the access nodes 103, the access nodes 105, the UEs 102, the UEs 104, and the UEs 106 in the network may be collectively referred to as all the network nodes in the network.
- the radio network controller 14 provided in this embodiment of the present invention may be used in the pair. All network nodes in the network are managed and controlled to solve the problems that need to be independently controlled by different network standards in the current network control methods.
- the radio network controller 14 determines whether the wireless network function needs to be triggered according to the wireless network information, performs a computing process on the wireless network function that needs to be triggered, and controls the network node to perform corresponding processing according to the processing result. Several steps to achieve unified management and control of the network. The structure and function of the wireless network control will be described in detail below with reference to specific embodiments.
- the radio network controller of this embodiment includes:
- the measurement control unit 21 is configured to receive wireless network information sent by the network node, where the wireless network information includes wireless channel information and service service information.
- the radio network controller provided in this embodiment may be used to control network nodes in different network standards in the network, including but not limited to UEs and access nodes in the network, where the access nodes may include Any form of node that is functional, such as an eNB, a macro base station, a micro base station, and the like.
- the wireless network controller can receive information from all network nodes in the network through any form of wired or wireless connection.
- the network node in the network can measure the wireless channel information and the service service information, wherein the wireless channel information represents related information obtained by the network node measuring the wireless channel on which the network node is located, and the service service information indicates the service that the network node is running on the network node.
- the relevant information obtained by the measurement In the embodiment of the present invention, the wireless channel information and the service service information are collectively referred to as wireless network information.
- the wireless network information may include the strength of the serving cell signal sent by the UE, the number of neighboring cells, the channel strength of each neighboring cell, the serving cell load sent by the access node, and the neighbor cell load.
- the wireless network information management unit 22 is configured to determine, according to the wireless network information received by the measurement control unit 21, an algorithm corresponding to the wireless network function that needs to be triggered and the wireless network function;
- the wireless network information required by the algorithm is encapsulated into a wireless network information combination of the algorithm.
- the wireless network information management unit 22 stores a wireless network information list required for each network node to execute an algorithm corresponding to each wireless network function, and a trigger condition of each wireless network function. After the measurement control unit 21 receives the wireless network information sent by the network node, the wireless network information management unit 22 determines whether the wireless network function reaches the trigger condition, and if so, determines an algorithm corresponding to the wireless network function that needs to be triggered, and triggers the trigger.
- the wireless network function corresponding to the conditional wireless network function is encapsulated together as a wireless network information combination of the algorithm.
- the wireless network function herein includes various processing performed by the network node in the wireless network, such as handover of the UE, load balancing by the access node, access by the UE, and the like.
- the algorithm corresponding to the wireless network function indicates a specific method for processing the wireless network function, and after processing by the algorithm corresponding to the wireless network function, the specific processing flow required for the network node to complete the wireless network function is obtained.
- a wireless network function may include multiple algorithms, and an algorithm may also correspond to a pair of wireless network functions. For example, a wireless network function performs load balancing for an access node, and a corresponding algorithm may include handover of multiple UEs.
- the algorithm management unit 23 is configured to determine an execution policy of the algorithm according to the wireless network information combination encapsulated by the wireless network information management unit 22.
- the wireless network information management unit 22 sends the encapsulated wireless network information combination to the algorithm management unit 23, and the algorithm management unit 23 performs an operation according to the wireless network information combination, and the obtained operation result is that each network node corresponds to the algorithm.
- the algorithm management unit 23 also determines the execution order of the processing flow of each network node. The order of the above processing flow and processing flow is collectively referred to as the execution strategy of the algorithm.
- the process management unit 24 is configured to generate execution control signaling according to the execution policy determined by the algorithm management unit 23, and send the execution control signaling to the network node, so that the network node completes the wireless network function.
- the radio network controller since the management and control of the network node are performed by using signaling, the radio network controller further includes a process management unit 24, and the flow management unit 24 stores execution control required to implement the operation result of each algorithm.
- the signaling the flow management unit 24 generates corresponding execution control signaling according to the execution policy determined by the algorithm management unit 23, and sequentially transmits execution control signaling to each network node according to the processing flow determined by the algorithm management unit 23.
- Each network node can perform corresponding processing according to the instruction to perform control signaling, thereby completing the determination by the wireless network information management unit 22.
- the wireless network function that needs to be triggered.
- a wireless network controller is added to the network, and the wireless network controller determines the wireless network function to be triggered by receiving the wireless network information sent by the network node in the network, and controls each network node to complete the wireless network function. . Because the centralized wireless network control is adopted, the wireless network controller can simultaneously control multiple types of wireless networks at the same time, thereby realizing centralized management of multiple networks, thereby saving system resources.
- the measurement control unit 21 is configured to receive wireless network information transmitted by the network node.
- the network node in the network has two working states. The first one is that the network is already connected to the network.
- the wireless network information is sent according to the indication of the measurement control unit 21 at the time of access; The second is that the network node newly accesses the network.
- the measurement control unit 21 first receives the access request message sent by the network node. After receiving the access request message, the measurement control unit 21 will control the network node to perform wireless network information. Measurement and reporting.
- the measurement control unit 21 may be pre-configured with a wireless network information measurement configuration, where the wireless network information measurement configuration includes the measured execution entity, the measurement object, and the reporting period, that is, the wireless network information measurement configuration includes “Who is to test " , " what to test " , " how to report " several kinds of information .
- the measurement control unit 21 After receiving the access request message sent by the network node, the measurement control unit 21 queries the preset wireless network information measurement configuration, and learns that the network node is a new access network, and according to the network node in the access request message. The related information determines rules for the network node to measure and report wireless network information. Then, the measurement control unit 21 can generate corresponding measurement control signaling, and send measurement control signaling to the network node, thereby implementing control of measuring and reporting the wireless network information of the network node.
- the measurement control unit 21 may not store the wireless network information measurement configuration, but notify the wireless network information management unit 22 of the access request message after receiving the access request message.
- the wireless network information management unit 22 stores the accessed network node list and the wireless network information measurement configuration, and the wireless network information management unit 22 determines the wireless network information measurement of the network node according to the access request message sent by the measurement control unit 21. Configuration, and send it to the measurement control unit 21; the measurement control unit 21 generates corresponding measurement control signaling according to the wireless network information measurement configuration determined by the wireless network information management unit 22, and sends measurement control signaling to the network node, thereby realizing The network node performs measurement and reporting control of the wireless network information.
- the measurement and control unit 21 stores the wireless network information measurement configuration If the access network request list message is not included in the wireless network information measurement configuration, the measurement control unit 21 needs to send the access request message to the wireless network information management unit 22 after receiving the access request message.
- the wireless network information management unit 22 includes the accessed network node list. When the wireless network information management unit 22 determines that the network node that sent the access request message is newly accessed, the measurement control unit 21 is notified, and the measurement control unit 21 Generating corresponding measurement control signaling according to the stored wireless network information measurement configuration, and sending measurement control signaling to the network node, thereby implementing measurement and reporting control of the wireless network information of the network node.
- FIG. 3 is a schematic structural diagram of a measurement control unit in a radio network controller according to an embodiment of the present invention. As shown in FIG. 3, the measurement control unit 21 of this embodiment includes:
- the wireless network information measurement configuration management sub-unit 31 is configured to generate measurement signaling process call information according to the wireless network information measurement configuration.
- the wireless network information measurement configuration management sub-unit 31 stores a wireless network information measurement configuration. After the measurement control unit 21 receives the access request message, the wireless network information measurement configuration management sub-unit 31 generates a configuration according to the wireless network information measurement configuration. The call information of the signaling required to measure each wireless network information.
- the measurement control signaling management sub-unit 32 is configured to invoke the preset network node measurement control signaling according to the measurement signaling process call information generated by the wireless network information measurement configuration management sub-unit 31.
- the control of the network node by the radio network controller is performed by using a signaling manner, and the measurement control signaling management sub-unit 32 stores signaling for invoking each network node to perform measurement.
- the measurement control signaling management sub-unit 32 sequentially calls the preset measurement control signaling according to the measurement signaling flow generated by the configuration information management unit 31 of the wireless network information measurement.
- the measurement control signaling processing and distribution sub-unit 33 is configured to send the measurement control signaling invoked by the measurement control signaling management sub-unit 32 to the network node, and receive the wireless network information sent by the network node.
- the measurement control signaling processing and distribution subunit 33 will measure the control signaling management subunit
- Each measurement control signaling invoked by 32 is sequentially transmitted to the corresponding network node, thereby causing the network node to perform measurement of the wireless network information.
- the measurement control signaling processing and distribution sub-unit 33 is further configured to receive wireless network information sent by each network node.
- the wireless network information management unit 22 of this embodiment includes: The wireless network information management sub-unit 41 is configured to store wireless network information received by the measurement control unit 21.
- a wireless network information management sub-unit 41 is provided in the wireless network information management unit 22, and the wireless network information management sub-unit 41 is configured to store the wireless network information received by the measurement control unit 21.
- the wireless network information received by the measurement control unit 21 is stored in the wireless network information management subunit 41.
- the side wireless network information management Subunit 41 will update the stored wireless network information.
- the wireless network information management sub-unit 41 is set in the wireless network information management unit 22 because the reporting period of the wireless network information transmitted by the network node to the measurement control unit 21 may be different, and the measurement control unit 21 does not always have a slave network node. All the wireless network information is received, and when the wireless network information management unit 22 determines that the wireless network function is triggered, the wireless network information required by the algorithm corresponding to the wireless network function may not be measured and controlled. Unit 21 receives, which may result in the inability to generate a combination of wireless network information for the wireless network function corresponding algorithm that needs to be triggered.
- the wireless network information management sub-unit 41 is set in the wireless network information management unit 22, and the information in the wireless network information management sub-unit 41 is updated according to the wireless network information received by the measurement control unit 21, so that the wireless network information management device can be secured.
- the information in unit 41 is complete and ensures that the corresponding combination of wireless network information can be generated.
- the wireless network function triggering management sub-unit 42 is configured to: when the at least one wireless network information stored in the wireless network information management sub-unit 41 reaches the preset trigger condition, determine the trigger list according to the preset wireless network function, The wireless network function that needs to be triggered and the algorithm corresponding to the wireless network function.
- the wireless network function triggering management sub-unit 42 may be further disposed in the wireless network information management unit 22, where the wireless network function triggering list is stored, and the wireless network function triggering management sub-unit 42 is in the wireless network information management sub-unit 41.
- the wireless network information is monitored.
- the wireless network function trigger management sub-unit 42 determines the wireless that needs to be triggered according to the wireless network function trigger list. Internet function.
- the wireless network function triggering management sub-unit 42 further includes a list of algorithms corresponding to each wireless network function. When the wireless network function that needs to be triggered is determined, the wireless network function is triggered. Management sub-unit 42 may also determine an algorithm corresponding to the wireless network function.
- the wireless network function requirement management sub-unit 43 is configured to encapsulate the wireless network information required by the algorithm determined by the wireless network function trigger management sub-unit 42 into the wireless network information combination of the algorithm according to the preset wireless network information list.
- the wireless network information management unit 22 further includes a wireless network function requirement management sub-unit 43.
- the wireless network function requirement management sub-unit 43 stores a list of wireless network information required by the wireless network function corresponding algorithm. After the wireless network function trigger management sub-unit 42 determines the wireless network function that needs to be triggered and the algorithm corresponding to the wireless network function, the wireless network function requirement management sub-unit 43 takes the wireless network information required by the algorithm that needs to be triggered from the wireless network information.
- the management sub-unit 41 calls up and encapsulates the wireless network information combination of the algorithm.
- FIG. 5 is a schematic structural diagram of an algorithm management unit in a radio network controller according to an embodiment of the present invention. As shown in FIG. 5, the algorithm management unit 23 of this embodiment includes:
- the algorithm management sub-unit 51 is configured to perform a calculation according to the wireless network information combination selection algorithm encapsulated by the wireless network information management unit 22, and generate an operation result of the algorithm, where the operation result includes execution of a network node participating in execution of the algorithm Process and configuration parameters.
- the algorithm management sub-unit 51 stores a specific operation method and a flow of each algorithm.
- the algorithm management sub-unit 51 receives the wireless network information combination encapsulated by the wireless network information management unit 22, the wireless network information is selected and selected. Combine the corresponding algorithm to perform the operation and generate the operation result.
- the operation result of the algorithm includes the execution flow and configuration parameters of the network node participating in the execution of the algorithm, that is, the operation result of the algorithm includes a specific processing method required to control the network node to complete the wireless network function corresponding to the algorithm.
- the algorithm flow management sub-unit 52 is configured to determine an execution strategy of the algorithm according to an operation result of the algorithm generated by the algorithm management sub-unit 51.
- the algorithm flow management sub-unit 52 may also be included in the wireless network information management unit 23. After obtaining the operation result generated by the algorithm management sub-unit 51, the algorithm flow management sub-unit 52 coordinates each execution entity that executes the calculation result, and finally determines the execution strategy of the algorithm.
- FIG. 6 is a schematic structural diagram of a process management unit in a radio network controller according to an embodiment of the present invention. As shown in FIG. 6, the process management unit 24 of this embodiment includes:
- Execution control signaling management sub-unit 61 for executing the policy according to the algorithm management unit 23
- the execution control signaling flow call information is generated slightly.
- the execution control policy determines the order of the control signaling to be invoked according to the execution policy, and generates execution control psychology flow call information.
- the control signaling management sub-unit 62 is configured to invoke preset execution control signaling according to the control signaling flow call information generated by the execution control signaling management sub-unit 61.
- control signaling management sub-unit 62 since the control of the network node by the radio network controller is performed by using signaling, the control signaling management sub-unit 62 stores control signaling for invoking each network node to complete each processing flow.
- the control signaling management sub-unit 62 sequentially calls the preset control signaling according to the control signaling flow call information generated by the execution control signaling management sub-unit 61.
- the execution control signaling processing and distribution sub-unit 63 is configured to send, to the network node, execution control signaling invoked by the control signaling management sub-unit 62 to control the network node to complete the wireless network function corresponding to the algorithm.
- the execution control signaling processing and distribution sub-unit 63 sequentially sends the control signalings invoked by the measurement control signaling management sub-unit 62 to the corresponding network node, so that the network node completes each processing flow, and finally completes the wireless network information.
- the wireless network function determined by the management unit 22.
- FIG. 7 is a schematic structural diagram of another embodiment of a radio network controller according to an embodiment of the present invention. As shown in FIG. 7, the radio network controller of this embodiment further includes
- the wireless network function configuration unit 25 is configured to: when a new wireless network function needs to be configured, configure a wireless network information combination required by an algorithm corresponding to each wireless network function; configure a trigger condition of each wireless network function; and configure execution of each algorithm.
- the policy, the execution control information corresponding to each execution policy is specifically configured.
- the radio network controller provided by the embodiment of the present invention involves information collection, statistical analysis, algorithm processing, and specific execution flow. Four steps of the network node are invoked, and correspondingly, the above four steps correspond to four units of the measurement control unit 21, the wireless network information management unit 22, the algorithm management unit 23, and the flow management unit 24. The above four units can complete the control of the wireless network according to the preset configuration.
- the wireless network function configuration module 25 can call the interface of the measurement control unit 21, and the measurement control list
- the wireless network information measurement configuration required by each algorithm in element 21 is configured, that is, parameters such as an execution entity, a measurement object, and a reporting period required for each algorithm are defined.
- the wireless network function configuration module 25 invokes the interface of the wireless network information management unit 22, configures the wireless network information required by the algorithm corresponding to each wireless network function, and configures the trigger conditions of each wireless network function. When a new wireless network function needs to be added to the network, the wireless network function configuration module 25 can configure the trigger conditions of each wireless network function and the required wireless network information.
- the wireless network function configuration module 25 calls the interface of the algorithm management unit 23, and writes the calculation method and formula of the algorithm into the algorithm management unit 23.
- the wireless network function configuration module 25 calls the interface of the process management unit 24, and writes the specific execution steps of the algorithm and the method executed by the control network node.
- Setting the wireless network function configuration unit 25 in the wireless network controller can enable the wireless network controller to be applied to any wireless communication network, when a wireless communication system device with a letter in the wireless communication network joins, or a network needs to join
- the new wireless network function eliminates the need to replace the wireless network controller, but can add new configurations to other units of the wireless network controller through the wireless network function configuration unit 25, thereby saving new information when the network is upgraded. Control system investment.
- FIG. 8 is a flowchart of Embodiment 1 of a method for controlling a wireless network according to an embodiment of the present invention. As shown in FIG. 8, the method in this embodiment includes:
- Step S801 Receive wireless network information sent by a network node, where the wireless network information includes wireless channel information and service service information.
- Step S802 determining, according to the wireless network information, a wireless network function that needs to be triggered and an algorithm corresponding to the wireless network function.
- Step S803 Encapsulate wireless network information required by the algorithm into a wireless network information combination of the algorithm.
- Step S804 determining an execution strategy of the algorithm according to the wireless network information combination of the algorithm.
- Step S805 generating execution control signaling according to the execution policy.
- Step S806 Send the execution control signaling to the network node, so that the network node completes the wireless network function.
- the wireless network control method of this embodiment is used to complete the processing of the radio network controller shown in FIG. 2, and the implementation principle and technical effects thereof are similar, and details are not described herein again. Further, before step S801 of the embodiment shown in FIG. 8, the method further includes: receiving access request information sent by the network node.
- controlling the network node to perform measurement of the wireless network information including: controlling, by the network node, measurement of wireless network information according to a wireless network information measurement configuration, where the wireless network information measurement configuration includes a measured execution entity , measurement object and reporting period.
- the method further includes: determining, according to the access request message, a wireless network information measurement configuration of the network node.
- FIG. 9 is a flowchart of Embodiment 2 of a method for controlling a wireless network according to an embodiment of the present invention. As shown in FIG. 9, the method in this embodiment includes:
- Step S901 Generate measurement signaling process call information according to the wireless network information measurement configuration.
- Step S902 Call preset information according to the measurement signaling procedure call information.
- Step S903 Send the measurement control signaling to the network node.
- the wireless network control method of this embodiment is used to complete the processing of the measurement control unit in the radio network controller shown in FIG. 3, and the implementation principle and technical effects are similar, and details are not described herein again.
- FIG. 10 is a flowchart of Embodiment 3 of a method for controlling a wireless network according to an embodiment of the present invention, as shown in FIG.
- the method of this embodiment includes:
- Step S1001 Store the wireless network information.
- Step S1002 When a stored trigger condition of at least one of the wireless network information is reached, determining, according to a preset wireless network function trigger list, a wireless network function that needs to be triggered and a corresponding function of the wireless network function. algorithm.
- Step S1003 Encapsulate, according to the preset wireless network information list, the wireless network information required by the algorithm to be triggered into a wireless network information combination of the algorithm.
- the radio network control method of this embodiment is used to complete the processing of the radio network information management unit in the radio network controller shown in FIG. 4, and the implementation principle and technical effects thereof are similar, and details are not described herein again.
- FIG. 11 is a flowchart of Embodiment 4 of a method for controlling a wireless network according to an embodiment of the present invention, as shown in FIG.
- the method of this embodiment includes:
- Step S1101 Select a corresponding algorithm according to the wireless network information combination, and generate an operation result of the algorithm, where the operation result includes an execution flow and a configuration parameter of the network node.
- Step S1102 Determine an execution strategy of the algorithm according to an operation result of the algorithm.
- FIG. 12 is a flowchart of Embodiment 5 of a method for controlling a wireless network according to an embodiment of the present invention. As shown in FIG. 12, the method in this embodiment includes:
- Step S1201 Generate execution control signaling flow call information according to the execution policy.
- Step S1202 Call preset execution control signaling according to the control signaling procedure call information.
- Step S1203 Send the execution control signaling to the network node.
- the radio network control method of this embodiment is used to complete the process of the process management unit in the radio network controller shown in FIG. 6.
- the implementation principle and technical effects are similar, and details are not described herein again.
- FIG. 13 is a flowchart of Embodiment 6 of a method for controlling a wireless network according to an embodiment of the present invention. As shown in FIG. 13, the method in this embodiment includes:
- Step S1301 When a new wireless network function needs to be configured, configure a combination of wireless network information required by an algorithm corresponding to each wireless network function.
- Step S1302 Configure a trigger condition of each wireless network function.
- Step S1303 Configure an execution strategy of each algorithm.
- Step S1304 Configure execution control signaling corresponding to each execution policy.
- the wireless network control method of this embodiment is used to complete the processing of the wireless network function configuration unit in the wireless network controller shown in FIG. 7.
- the implementation principle and technical effects are similar, and details are not described herein again.
- FIG. 14 is a schematic diagram of a specific implementation method for performing UE handover by using a radio network control method according to an embodiment of the present invention.
- the radio network controller 20 includes a measurement control unit 21, a wireless network information management unit 22, an algorithm management unit 23, and a flow management unit 24.
- the first UE 131 in the network accesses the first base station 132, and the first UE 131 is located within the coverage of the second base station 133 and the third base station 134 at the same time.
- the first UE 131 periodically measures the cell signal strength of the first base station 132, the second base station 133, and the third base station 134, and reports the signal strength to the measurement control unit 21.
- the measurement control unit 21 reports the received first UE 131.
- the cell signal strengths of a base station 132, the second base station 133, and the third base station 134 are transmitted to the wireless network information management unit 22; the wireless network information management unit 22 updates the stored wireless network information, and when the first UE 131 is found to be sent, When the cell signal strength of the base station 132 is lower than a preset threshold, it is determined that the UE handover process needs to be triggered, and it is determined that the handover algorithm requires the cell signal strengths of the first base station 132, the second base station 133, and the third base station 134;
- the network information management unit 22 sets the first base station 132, the second base station 133, and The cell signal strengths of the third base station 134 are encapsulated and sent to the algorithm management unit 23; the algorithm
- the flow management unit 24 calls the processing flow and control letter required to switch the first UE 131 from the first base station 132 to the second base station 133.
- the first UE 13 and the second base station 133 are sequentially controlled to sequentially perform the handover process.
- FIG. 15 and FIG. 16 are schematic diagrams showing a specific implementation method of load balancing for a wireless network control method according to an embodiment of the present invention.
- the radio network controller 20 includes a measurement control unit 21, a wireless network information management unit 22, an algorithm management unit 23, and a flow management unit 24.
- the first UE 141, the second UE 142, and the third UE 143 in the network access the first base station 144, and the first UE 14 and the third UE 142 are located within the coverage of the second base station 145 and the third base station 146 at the same time.
- the first UE 141, the second UE 142, and the third UE 143 periodically measure the cell signal strengths of the first base station 144, the second base station 145, and the third base station 146, respectively, and respectively.
- the measurement control unit 21 reports the cell load reported by the first base station 144, the second base station 145, and the third base station 146, respectively; the measurement control unit 21 transmits the received information to the wireless network information management unit. twenty two.
- the wireless network information management unit 22 updates the stored wireless network information. When it is found that the load of the first base station 144 is higher than a preset threshold, it is determined that the load balancing needs to be triggered.
- the wireless network information management unit 22 determines the load balancing corresponding.
- the handover algorithm requires the overloaded cell load, the neighbor cell load, and the cell signal strength of the UE accessed by the overloaded cell. Therefore, the radio network information management unit 22 loads the cell load of the first base station 144, the second base station 145, and the third base station 146, and the first.
- the cell signal strengths of the UE 141, the second UE 142, and the third UE 143 are encapsulated and sent to the algorithm management unit 23; after the operation is performed by the algorithm management unit 23, it is determined that the first UE 141 and the second UE 142 need to be switched out of the first base station 144, but Both the base station 145 and the third base station 146 are already in full-load operation and cannot be switched.
- the measurement control unit 21 finds that a new fourth base station 147 joins the network, and receives the load transmitted by the fourth base station 147 and the first UE 141, the second UE 142, and the third.
- the UE 143 measures the cell signal strength of the fourth base station 147, and transmits the above information to the wireless network information management unit 22.
- the wireless network information management unit 22 updates the wireless network information that is not stored.
- the wireless network information management unit 22 determines that the handover algorithm corresponding to the load balancing needs the overloaded cell load, the neighbor cell load, and the cell signal strength of the UE accessed by the overloaded cell, so the wireless network information management unit 22 sets the first base station. 144.
- the cell load of the second base station 145, the third base station 146, and the fourth base station 147, and the cell signal strengths of the first UE 141, the second UE 142, and the third UE 143 are encapsulated and sent to the algorithm management unit 23; the algorithm management unit 23 performs After the operation, it is determined that the first UE 141 and the second UE 142 need to be switched out of the first base station 144, and the fourth base station 147 is in the light load device, and the first UE 141 and the second UE 142 are determined to be switched to the fourth base station 147, and the operation is performed.
- the result is sent to the process management unit 24; the flow management unit 24 invokes the processing flow and control signaling required to switch the first UE 141 and the second UE 142 from the first base station 144 to the fourth base station 147, and sequentially controls the first The UE 141, the second UE 142, the first base station 144, and the fourth base station 147 complete the handover process.
- FIG. 17 is a schematic structural diagram of still another embodiment of a radio network controller according to an embodiment of the present invention.
- the radio network controller of this embodiment includes: a receiver 1701, a processor 1702, and a transmitter 1703.
- the media file server may further include a memory 1704.
- the receiver 1701, the processor 1702, the transmitter 1703, and the memory 1704 may be connected through a system bus or other manner.
- the system bus is connected as an example; the system bus may be an industry standard structure.
- ISA Industry Standard Architecture
- PCI Peripheral Component Interconnect
- ESA Extended Industrial Standard Architecture
- the system bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one line is shown in Figure 17, but it does not mean that there is only one bus or one type of bus.
- the receiver 1701 is configured to execute the step described in step S801.
- the processor 1702 is configured to execute the steps described in step S802 to step S805.
- the transmitter 1703 is configured to execute the step described in step S806.
- the memory 1704 is configured to store the information received by the receiver 1701, and store the processed data of the processor 1703, and send the stored data through the transmitter 1703.
- the media file server of this embodiment is used to perform the technical solution of the method embodiment shown in FIG. 8.
- the implementation principle and technical effects are similar, and details are not described herein again.
- the processor 1702 is further configured to execute the steps described in step S901 and step S902, and the transmitter 1703 is further configured to execute the step of step S903.
- the memory 1704 is further configured to execute the step described in step S1001, and the processor 1702 is further configured to perform the steps of step S1002 and step S1003.
- processor 1702 is further configured to execute the steps described in step S1102 and step S1103. Further, the processor 1702 is further configured to execute the steps described in step S1201 and step S1202, and the transmitter 1703 is further configured to perform the step of the step S1203.
- the processor 1702 is further configured to execute the steps described in steps S1302 through S1303.
- steps S1302 through S1303 A person skilled in the art can understand that all or part of the steps of implementing the above method embodiments may be implemented by hardware related to program instructions, and the foregoing program may be stored in a computer readable storage medium, when executed, The foregoing steps include the steps of the foregoing method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.
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KR1020167035950A KR20170007819A (ko) | 2014-05-30 | 2014-05-30 | 무선 네트워크 제어 방법 및 무선 네트워크 제어기 |
EP14893511.7A EP3136790B1 (en) | 2014-05-30 | 2014-05-30 | Radio network control method and radio network controller |
PCT/CN2014/079005 WO2015180173A1 (zh) | 2014-05-30 | 2014-05-30 | 无线网络控制方法和无线网络控制器 |
CN201480079111.4A CN106465257B (zh) | 2014-05-30 | 2014-05-30 | 无线网络控制方法和无线网络控制器 |
US15/363,881 US9974063B2 (en) | 2014-05-30 | 2016-11-29 | Radio network control method and radio network controller |
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EP3136790B1 (en) * | 2014-05-30 | 2021-05-05 | Huawei Technologies Co., Ltd. | Radio network control method and radio network controller |
CN110475259A (zh) * | 2018-05-10 | 2019-11-19 | 索尼公司 | 频谱管理装置和方法、无线网络管理装置和方法以及介质 |
US11219076B1 (en) * | 2019-04-03 | 2022-01-04 | T-Mobile Innovations Llc | Backhaul access node selection |
US20230111781A1 (en) * | 2021-10-11 | 2023-04-13 | Qualcomm Incorporated | Techniques for identifying control channel candidates based on reference signal sequences |
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