WO2017147787A1 - Procédé de détermination de cellule cible, station de base, et dispositif de gestion - Google Patents

Procédé de détermination de cellule cible, station de base, et dispositif de gestion Download PDF

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Publication number
WO2017147787A1
WO2017147787A1 PCT/CN2016/075219 CN2016075219W WO2017147787A1 WO 2017147787 A1 WO2017147787 A1 WO 2017147787A1 CN 2016075219 W CN2016075219 W CN 2016075219W WO 2017147787 A1 WO2017147787 A1 WO 2017147787A1
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service
type
target
cell
priority
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PCT/CN2016/075219
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English (en)
Chinese (zh)
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宋平
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华为技术有限公司
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Priority to PCT/CN2016/075219 priority Critical patent/WO2017147787A1/fr
Priority to CN201680083061.6A priority patent/CN108702697A/zh
Publication of WO2017147787A1 publication Critical patent/WO2017147787A1/fr

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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

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method for determining a target cell, a base station, and a management device.
  • the history information of the user equipment generally includes information such as the cell ID of the handover that the UE experiences, the network type of the cell, and the stay time of the cell.
  • the handover information may determine a process in which the current UE performs handover between two cells or multiple cells, and perform optimization operations at the cell level and the UE level through the historical handover information.
  • the switch history information may include 1 to 16 latest visited cell lists, and the list may include up to three different cell types, namely, E-UTRAN, UTRAN, and GERAN, and when the UE switches, the corresponding handover is performed.
  • the request message includes the request information of the current service type of the UE, that is, the quality of service (QoS) parameter of the current service request of the UE at the time of the handover, specifically the QoS Class Identifier (English: QoS Class Identifier, referred to as :QCI), the network side can perform corresponding optimization operations according to the QoS parameter level.
  • QoS quality of service
  • the current handover request information only includes a QoS parameter level of the current service of the UE at the time of handover, and the network side cannot effectively describe the different QoS levels used by the current user for different services in a period of time according to a Qos parameter level.
  • Service ratio and service requirements, etc. so that it is unable to combine the current demand ratio of all users on different service types and the better matching between the more refined service requirements and network resources on the network resources of different frequency bands, resulting in current services.
  • the optimization also has problems that do not meet the user's requirements for business performance.
  • a first aspect provides a method for determining a target cell, where the method is applied to a first base station, where the method includes:
  • the target UE Determining, according to historical information of the target UE, a primary service type to which the target UE belongs, where the historical information of the target UE includes a cell ID of each cell in which the target UE is camped, a network type of the cell, and the The service time of the cell, and the service information of each service that the target UE runs on each cell, where the service information includes a service type and a service parameter;
  • the method before the determining, according to the historical information of the target UE, the primary service type to which the target UE belongs, the method further includes:
  • the management device Transmitting, to the management device, history information of at least one UE, the history information of each UE including a cell ID of each cell in which the UE is camped, a network type of the cell, a staying time in the cell, and each The service information of each service run by the UE on the cell, where the service information includes a service type and a service parameter;
  • the target cell that matches the target UE is selected based on the primary service type to which the target UE belongs, which is specifically:
  • the first base station may further send the history information of the at least one UE to the management device according to the specified period, and the specified period may be set in advance, and the present invention is The embodiment does not limit this.
  • each service type refers to the order of different network types for the service quality of the service under the service type.
  • the service quality of the video service under Wifi is generally compared. Low, there may be cases such as Caton, and the quality of the video-based service under Wifi will be higher, and the video playback process will be smoother; similarly, each The frequency priority and the cell priority in the service type refer to the order of different frequency points and the service quality of the services in different cells.
  • the relationship between the network type, the frequency point, and the cell is: one network type includes one or more frequency points, and one frequency point includes one or more cells, and each cell may include multiple UEs.
  • the network under the service type to which the target UE belongs is based on a primary service type to which the target UE belongs
  • the target cell that matches the target UE is selected, including:
  • the primary service to which the target UE belongs is Type
  • the method further includes:
  • the second base station And transmitting, by the second base station, handover request information, where the handover request information carries historical information of the target UE, where the second base station is a base station where the target cell is located.
  • the historical information according to the target UE Determining the service type to which the target UE belongs, including:
  • the service type corresponding to the type of the first threshold is determined as the primary service type of the target UE;
  • the business type is determined to be an integrated business type.
  • the determined primary service type of the target UE when there are two or more types of types of the first type that are greater than the first threshold, the determined primary service type of the target UE also includes two or more, for example, when When the primary service type of the target UE is voice and data, it indicates that the target UE has more voice-type services and data-type services in the previous cell, which is not limited in this embodiment of the present invention.
  • the first threshold corresponding to the ratio of the first type may also be different, and the first threshold may be set in advance, which is not limited by the embodiment of the present invention. .
  • the service type includes at least one of the following: a scale value QCI, delay sensitivity/delay insensitivity, Packet loss sensitive/lost insensitive, voice/video/data, a specific service application type (for example, service type of some application data such as FTP and HTTPS); the service parameters include at least one of the following: number of calls, release The number of times and the duration of the business.
  • the service type includes delay sensitivity/delay insensitivity, packet loss sensitivity/loss of packet loss, and sensitivity to delay sensitivity/delay sensitivity
  • packet loss sensitivity/loss packet loss sensitivity The division is to divide multiple sensitivity levels according to different delay sensitivity levels and different packet loss sensitivity levels.
  • the service parameter further includes at least one of: a service rate, a block error rate BLER, a packet loss rate, The scheduling delay, the retransmission rate, and the number of link failure RLFs of the UE in the source cell, the number of radio resource control RRC establishments, the number of RRC reestablishment times, and the number of RRC abnormal release times.
  • the service parameters of each service included in the history information of the target UE may include parameters such as the number of calls, the number of releases, the duration of the service, the service rate, the block error rate BLER, the packet loss rate, and the scheduling delay.
  • the first base station may include according to the service parameter. Any one of the parameters such as the number of calls, the number of releases, the duration of the service, the service rate, the block error rate BLER, the packet loss rate, and the scheduling delay are used to calculate the first type of proportion.
  • the network type includes E-UTRAN, UTRAN, GERAN, Wifi, non-3GPP.
  • a second aspect provides a method for determining a target cell, which is applied to a management device, where the method includes:
  • the first base station Transmitting the network priority, the frequency priority, and the cell priority in the different service types to the first base station, so that the first base station obtains network priority, frequency priority, and frequency from the different service types.
  • the cell priority the target cell that matches the target UE is selected.
  • the at least one UE includes a UE that newly initiates an RRC call within a certain time, and each UE that has just switched into the current cell.
  • the management device may further receive the history information of the at least one UE that is sent by the first base station according to the specified period according to the specified period, and the specified period may be set in advance, which is not limited in this embodiment of the present invention.
  • the determining, according to the historical information of the at least one UE, the primary service type of each UE in the at least one UE including:
  • the service type corresponding to the type of the second threshold is determined to be the primary service type of the UE;
  • the second type of proportion is weighted to obtain a second integrated service parameter, and the primary service of the UE is obtained.
  • the type is determined to be an integrated business type.
  • the determined primary service type of the UE when there are two or more types of types of the second type that are greater than the second threshold, the determined primary service type of the UE also includes two or more, for example, when the UE is When the main service type is voice and data, it indicates that the UE has more voice-type services and data-type services in the previous cell, which is not limited in this embodiment of the present invention.
  • the second threshold corresponding to the proportion of the second type may also be different, and the second threshold may be set in advance, which is not limited by the embodiment of the present invention. .
  • the service type includes at least one of the following: a scale value QCI, a delay sensitivity/time Delay-insensitive, packet-sensitive/loss-insensitive, voice/video/data, and a specific service application type (for example, service types of certain application data such as FTP and HTTPS); the service parameters include at least one of the following: Number of calls, number of releases, duration of business.
  • the service type includes delay sensitivity/delay insensitivity, packet loss sensitivity/loss of packet loss, and sensitivity to delay sensitivity/delay sensitivity
  • packet loss sensitivity/loss packet loss sensitivity The division is to divide multiple sensitivity levels according to different delay sensitivity levels and different packet loss sensitivity levels.
  • the service parameter further includes at least one of the following: a service rate, a block error rate BLER, a packet loss rate, Scheduling delay, retransmission rate, and number of link failure RLFs of the UE, radio resource control RRC establishment times, RRC re-establishment times, and RRC abnormal release times.
  • the service parameters of each service may include one or more of the number of calls, the number of releases, the duration of the service, the service rate, the block error rate BLER, the packet loss rate, and the scheduling delay
  • the management device may, according to the service parameter, the number of calls, the number of releases, and the duration of the service, Any one of the parameters such as the service rate, the block error rate BLER, the packet loss rate, and the scheduling delay performs the calculation of the second type ratio.
  • the network type includes E-UTRAN, UTRAN, GERAN, Wifi, non-3GPP.
  • a base station in a third aspect, includes:
  • a determining unit configured to determine, according to historical information of the target UE, a primary service type to which the target UE belongs, where the historical information of the target UE includes a cell ID of each cell in which the target UE is camped, and a network of the cell a type, a staying time in the cell, and service information of each service running by the target UE on each cell, the service information including a service type and a service parameter;
  • a selecting unit configured to select a target cell that matches the target UE based on a primary service type to which the target UE belongs.
  • the base station further includes:
  • a sending unit configured to send, to the management device, historical information of the at least one UE, where the historical information of each UE includes a cell ID of each cell that the UE camps on, a network type of the cell, and a staying time in the cell. And service information of each service run by the UE on each cell, where the service information includes a service type and a service parameter;
  • a receiving unit configured to receive a network priority, a frequency point priority, and a cell priority in different service types sent by the management device;
  • the selection unit is specifically configured to:
  • the selecting unit is further configured to:
  • the sending unit is further configured to:
  • the second base station And transmitting, by the second base station, handover request information, where the handover request information carries historical information of the target UE, where the second base station is a base station where the target cell is located.
  • the determining unit is specifically configured to:
  • the service type corresponding to the type of the first threshold is determined as the primary service type of the target UE;
  • the first type of proportion is weighted to obtain a first integrated service parameter, and the primary service type of the target UE is determined. For the integrated business type.
  • the service type includes at least one of the following: a scale value QCI, delay sensitivity/delay insensitivity, Packet loss sensitive/lost packet insensitivity, voice/video/data; the service parameters include at least one of the following: number of calls, number of releases, duration of service.
  • the service parameter further includes at least one of: a service rate, a block error rate BLER, a packet loss rate, The scheduling delay, the retransmission rate, and the number of link failure RLFs of the UE in the source cell, the number of radio resource control RRC establishments, the number of RRC reestablishment times, and the number of RRC abnormal release times.
  • the network type includes E-UTRAN, UTRAN, GERAN, Wifi, non-3GPP.
  • a management device configured to:
  • An acquiring unit configured to acquire historical information of at least one UE, where historical information of each UE includes a cell ID of each cell in which the UE is camped, a network type of the cell, a staying time in the cell, and Service information of each service run by the UE on each cell, where the service information includes a service type and a service parameter;
  • a determining unit configured to determine the at least one according to historical information of the at least one UE The main service type to which each UE belongs in each UE;
  • a classifying unit configured to classify and sort network types, frequency points, and cells to which each UE belongs according to a primary service type to which each UE belongs, and obtain network priority, frequency priority, and cell in different service types. priority;
  • a sending unit configured to send the network priority, the frequency point priority, and the cell priority in the different service types to the first base station, so that the first base station receives the network priority from the different service types, In the frequency point priority and the cell priority, the target cell that matches the target UE is selected.
  • the determining unit is specifically configured to:
  • the service type corresponding to the type of the second threshold is determined to be the primary service type of the UE;
  • the weight of the second type is weighted to obtain a second integrated service parameter, and the primary service type of the UE is determined as Integrated business type.
  • the service type includes at least one of the following: a scale value QCI, a delay sensitivity/time Delay insensitive, packet loss sensitive/lost packet insensitive, voice/video/data; the service parameters include at least one of the following: number of calls, number of releases, duration of service.
  • the service parameter further includes at least one of the following: a service rate, a block error rate BLER, a packet loss rate, Scheduling delay, retransmission rate, and number of link failure RLFs of the UE, radio resource control RRC establishment times, RRC re-establishment times, and RRC abnormal release times.
  • the network type includes E-UTRAN, UTRAN, GERAN, Wifi, and non-3GPP.
  • a method for determining a target cell, a base station, and a management device are provided by the embodiment of the present invention.
  • the base station determines, according to historical information of the target UE, a primary service type to which the target UE belongs, and the historical information of the target UE includes that the target UE is camped on.
  • the target cell that is matched by the target UE, or the network type, the frequency point, and the cell to which each UE belongs to the management device is classified and sorted by the historical information of the at least one UE, and the network priority of the different service types is obtained.
  • the frequency point priority and the cell priority are returned to the base station, and then the base station selects and targets from the network priority, the frequency priority, and the cell priority in the service type that is the same as the service type to which the target UE belongs.
  • the UE matches the target cell, so that the network level of the network level, the cell level, and the user level can be optimized according to the usage characteristics of the UEs of different service types, so that the target UE can ensure the handover to the target cell.
  • the service quality of the service on the target UE thereby improving the user experience.
  • FIG. 1 is a system architecture diagram of a communication system according to an embodiment of the present invention.
  • FIG. 2 is a schematic flowchart of a method for determining a target cell according to an embodiment of the present invention
  • FIG. 3 is a schematic flowchart diagram of another method for determining a target cell according to an embodiment of the present disclosure
  • FIG. 4 is a schematic flowchart diagram of still another method for determining a target cell according to an embodiment of the present disclosure
  • FIG. 5 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of another base station according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a management device according to an embodiment of the present invention.
  • the history information of the UE usually includes the cell ID of the handover that the UE experiences, the network type of the cell, and the cell.
  • the staying time, and the service information of the current service of the UE at the time of handover, the service information is a Qos parameter level, specifically a scale value QCI, and different QCIs represent different service types.
  • the source cell may select a suitable target cell for the UE, and include the current service continuity and service quality of the UE when the handover is performed.
  • the network side can only effectively describe the different Qos parameter levels used by the current UE in different services according to the level of a Qos parameter. For example, when the UE is interrupted by frequent handovers or RRC re-establishment, packet loss or data retransmission occurs in voice and real-time data services, which has a great impact on the user experience.
  • the basic principle of the present invention is to preserve the history information of the UE on each cell that is camped on, and to extend the history information to describe the service type feature of the UE according to the extended history information, and according to the UE.
  • the service feature selects a target cell that matches the UE from the corresponding network resource priorities, thereby ensuring the quality of the UE in the target cell, thereby improving the user experience.
  • the system architecture of the network system to which the embodiment of the present invention is applied is as shown in FIG. 1.
  • the system architecture diagram includes a management device 101, a base station 102, and a user equipment 103.
  • the basic function of the management device 101 is to unify, centralize existing network technologies, and utilize unified module management functions to uniformly manage and monitor multiple types of network elements.
  • the management device 101 can store and update the configuration information of the network by collecting the performance report data generated by the network element, and provide some corresponding tools for analyzing, adjusting, and optimizing the network.
  • the management device 101 has a fault management function, that is, the operation and maintenance personnel can timely understand the abnormal operating state of the device and the network, and help the operator determine the fault original. Due to the location of the fault, in order to correct the problem in time, to ensure the normal operation of the equipment and network. .
  • the base station 102 is a base station in a radio access network (English: Radio Access Network, RAN for short), and the base station 102 may be a base station BSC, a radio network base station RNC, or an evolved base station eNB, etc., whose task is to manage a wireless network, that is, The wireless cell and its wireless channel, the operation and maintenance of the wireless device, the service process of the mobile station, and the interface between the base station and the mobile switching center MSC are provided.
  • one base station may include multiple sectors, and the sector refers to a minimum wireless coverage area covering a certain geographical area, and each sector uses one or more wireless carrier frequencies to complete wireless coverage, and each wireless carrier frequency uses a certain one.
  • the carrier frequency, sector and carrier frequency constitute the smallest service unit providing the UE access, ie the cell.
  • the user equipment 103 is the lowest-level network element in the network system, where a single cell may include multiple user equipments 103.
  • a single cell may include multiple user equipments 103.
  • the base station 102 can select the target cell according to the service parameter of the user equipment 103, and switch the user equipment 103 to the target cell while ensuring continuity of its service and service quality.
  • FIG. 2 is a schematic flowchart of a method for determining a target cell according to an embodiment of the present invention. Referring to FIG. 2, the method includes the following steps.
  • Step 201 The first base station determines, according to the historical information of the target UE, the primary service type to which the target UE belongs.
  • the historical information of the target UE includes the cell ID of each cell where the target UE is camped, the network type of the cell, and the cell.
  • the staying time, and the service information of each service running on the target UE on each cell, the service information includes the service type and the service parameters.
  • the target UE is a UE that needs to be handed over from the current cell to the target cell when the UE meets the cell handover condition, and the handover condition may be that the service quality of the service that the UE operates in the current cell is low, or the UE
  • the embodiment of the present invention does not limit the present invention, and is not limited to the coverage of the current cell.
  • the network type of the cell may include an evolved UMTS terrestrial radio access network (abbreviation: E-UTRAN), a UMTS terrestrial radio access network (abbreviation: UTRAN), a GSM EDGE radio access network (referred to as: GERAN), Wifi, Non-3rd Generation Partnership Project Network (referred to as: non-3GPP).
  • E-UTRAN evolved UMTS terrestrial radio access network
  • UTRAN UMTS terrestrial radio access network
  • GERAN GSM EDGE radio access network
  • Wifi Non-3rd Generation Partnership Project Network
  • non-3GPP Non-3rd Generation Partnership Project Network
  • the service type may include at least one of the following: scale value QCI, delay sensitivity/ Delay insensitive, packet loss sensitive/lossless packet loss, voice/video/data, a specific service application type (for example, service type of some application data such as FTP, HTTPS, etc.), that is, each service
  • the service parameter may include at least one of the following: the number of calls, the number of releases, and the duration of the service. Further, the service parameter further includes at least one of the following: service rate, block error rate BLER, packet loss rate, scheduling delay, retransmission rate, and number of link failure RLFs of the UE, RRC establishment times, and RRC re-establishment times RRC abnormal release times, etc.
  • the service type includes delay sensitivity/delay insensitivity, packet loss sensitivity/loss of packet loss, and sensitivity to delay sensitivity/delay sensitivity
  • packet loss sensitivity/loss packet loss sensitivity The division is to divide multiple sensitivity levels according to different delay sensitivity levels and different packet loss sensitivity levels.
  • the base station may determine, according to the service parameter of each service in the historical information of the target UE, the service type of each service. If the ratio of the type of the first type is greater than the first threshold, the service type corresponding to the type of the first threshold is determined as the primary service type of the target UE; If the type ratio of the type does not exceed the first threshold, the first type ratio is weighted to obtain the first integrated service parameter, and the primary service type of the target UE is determined as the integrated service type.
  • the service parameters of each service included in the history information of the target UE may include parameters such as the number of calls, the number of releases, the duration of the service, the service rate, the block error rate BLER, the packet loss rate, and the scheduling delay.
  • the base station may release the number of calls included according to the service parameter.
  • the calculation of the first type ratio is performed by any one of the parameters such as the number of times, the duration of the service, the service rate, the block error rate BLER, the packet loss rate, and the scheduling delay.
  • the determined primary service type of the target UE when there are two or more types of types of the first type that are greater than the first threshold, the determined primary service type of the target UE also includes two or more.
  • the primary service type of the target UE is voice and data, it indicates that the target UE has more voice-type services and data-type services in the previous cell, which is not limited in this embodiment of the present invention.
  • the first threshold corresponding to the ratio of the first type may also be different, and the first threshold may be set in advance, and the embodiment of the present invention does not limited.
  • the first type of proportion calculation is performed according to the service duration in the service parameter
  • the history information of the target UE includes four services, namely, service 1, service 2, service 3, and service 4, the corresponding service
  • the service durations are 5 min, 50 min, 25 min, and 20 min, respectively, and the service type corresponding to service 1 and service 3 is voice
  • the service type corresponding to service 2 is data
  • the service type corresponding to service 4 is video
  • the service type is voice.
  • the service type is the first service of the data
  • the service type is the first service of the video.
  • the ratio is 0.2. If the first threshold is 0.4, then the voice is determined as the primary service type of the UE.
  • the method for performing the calculation of the first type ratio based on the service duration is similar to that of the foregoing, and the embodiment of the present invention does not repeat here. .
  • Step 202 The first base station selects a target cell that matches the target UE based on the primary service type to which the target UE belongs.
  • the first base station When the first base station selects a target cell that matches the target UE based on the primary service type to which the target UE belongs, the first base station may randomly select one cell from the cells included in the first base station as the target cell, or may Network priority, frequency priority, and cell priority under different service types configured before the device are managed, the network priority, the frequency priority, and the cell priority in the same service type as the primary service type to which the target UE belongs. Medium, select a target cell that matches the target UE.
  • the method further includes:
  • Step 203 The first base station sends history information of at least one UE to the management device, where the history information of each UE includes a cell ID of each cell in which the UE is camped, a network type of the cell, a staying time in the cell, and The service information of each service that the UE runs on each cell, and the service information includes a service type and a service parameter.
  • the cell For each cell in the first base station, the cell will newly initiate a radio resource control (English: Radio Resource Control, RRC for short) call and a UE that has just switched into the cell.
  • the UE records historical information, and when it is determined that there is at least one UE that is RRC released in the UE that newly initiates the RRC call and the UE that has just switched, the first base station sends the history information of the at least one UE to the management device.
  • a radio resource control English: Radio Resource Control, RRC for short
  • the first base station may further send the history information of the at least one UE to the management device according to the specified period, and the specified period may be set in advance, which is not limited by the embodiment of the present invention.
  • Step 204 The management device acquires history information of at least one UE, where the history information of each UE includes a cell ID of each cell that the UE camps on, a network type of the cell, a stay time in the cell, and The service information of each service run by the UE on each cell, where the service information includes a service type and a service parameter.
  • the management device When the management device acquires the history information of the at least one UE, the historical information of the at least one UE sent by the first base station may be received, or the historical information of the at least one UE may be obtained through the system information.
  • the management The device may also obtain the history information of the at least one UE in other manners, which is not limited by the embodiment of the present invention.
  • the management device may also receive the history information of the at least one UE sent by the first base station according to the specified period.
  • history information of the at least one UE in the step 204 is the same as the history information of the at least one UE in the step 203, and details are not described herein again.
  • Step 205 The management device determines, according to the historical information of the at least one UE, a primary service type to which each UE of the at least one UE belongs.
  • the management device may determine, according to the service parameter of each service in the UE, a proportion of the second type corresponding to the service type of each service; if the second type ratio exists If the type of the type is greater than the second threshold, the service type corresponding to the type of the second threshold is determined to be the primary service type of the UE; if the second type is not greater than the second threshold Then, the second type of proportion is weighted to obtain a second integrated service parameter, and the main service type of the UE is determined as an integrated service type.
  • the service parameters of each service may include the number of calls and release times. Two or more of the parameters, the service duration, the service rate, the block error rate BLER, the packet loss rate, and the scheduling delay. Therefore, when the management device can determine the service parameters of each service in the UE, When the second type of the service type of each service is used, the management device may include the number of calls, the number of releases, the duration of the service, the service rate, the block error rate BLER, the packet loss rate, and the scheduling delay. Any two of the parameters are used to calculate the proportion of the second type.
  • the determined primary service type of the UE also includes two or more, for example, when the UE is When the main service type is voice and data, it indicates that the UE has more voice-type services and data-type services in the previous cell, which is not limited in this embodiment of the present invention.
  • the second threshold corresponding to the second type ratio may also be different, and the second threshold may be set in advance, and the embodiment of the present invention does not limited.
  • Step 206 The management device classifies and sorts the network type, frequency, and cell to which each UE belongs according to the primary service type to which each UE belongs, and obtains network priority, frequency priority, and cell priority under different service types. .
  • the management device determines the primary service type to which each UE belongs, the primary service types constitute a plurality of different service types, and the management device manages the management device for any of a plurality of different service types.
  • Each network type, each frequency point, and each cell is classified and sorted according to each network type, each frequency point, and the priority of each cell under the service type, and the service type is obtained.
  • the network priority, the frequency priority, and the cell priority are correspondingly classified and sorted according to different service types, that is, the network priority, the frequency priority, and the cell priority under different service types are obtained.
  • the network priority of each service type refers to the order of different network types for the service quality of the service under the service type.
  • the service quality of the video service under Wifi is generally compared. Low, there may be cases such as catastrophes, and the quality of services of video services other than Wifi will be higher, and the video playback process will be smoother.
  • the frequency priority and cell priority under each service type are Refers to the sorting of different frequency points and the quality of service of services under different cells.
  • one type of network includes one or A plurality of frequency points, one or more cells are included under one frequency point, and each cell may include multiple UEs.
  • the network type and frequency are determined according to the service type. Prioritize the sorting with the cell. For example, if the service type is voice, if there are three types of networks, namely s1, s2, and s3, the frequency points are f1, f2, f3, and f4, and the cells are a1, a2, a3, and a4, according to voice pairs.
  • the order of network type, frequency point and cell are: s1>s2>s3, f1>f2>f3>f4, a2>a3>a4>a1.
  • Step 207 The management device sends the network priority, the frequency priority, and the cell priority in different service types to the first base station.
  • the management device can directly send the network priority, the frequency priority, and the cell priority in the different service types to the first.
  • the base station of course, the management device can also prioritize the network priority, frequency priority, and frequency priority of different service types obtained by sorting the network priority, the frequency priority, and the cell priority in different service types. Comparing with the cell priority, if the network priority, the frequency priority, and the cell priority of the previous different service types are the same as the network priority, the frequency priority, and the cell priority of the different service types currently obtained, Then, the network is not sent to the first base station. If the two are different, the network priority, the frequency priority, and the cell priority of the currently obtained different service types are sent to the first base station.
  • the first base station selects a target cell that matches the target UE based on the primary service type to which the target UE belongs, and specifically: the first base station is based on the primary service type to which the target UE belongs, from the service type to which the target UE belongs.
  • the target cell that matches the target UE is selected.
  • the first base station selects a target network type and a target frequency point that match the target UE from the network priority and the frequency priority in the service type to which the target UE belongs according to the service type to which the target UE belongs;
  • the resource parameters of each cell included in the network type, the target frequency point, the cell priority, and the cell priority are selected, and the target cell matching the target UE is selected.
  • the first base station may first select a service type that is the same as the service type to which the target UE belongs, from the network priority, the frequency priority, and the cell priority under different service types.
  • the network priority, the frequency priority, and the cell priority are selected, and the target network type and target matching the target UE are selected from the network priority and the frequency priority in the service type with the same service type as the target UE.
  • a frequency point and then, according to the selected target network type, the target frequency point, the cell priority, and the resource parameter of each cell included in the cell priority, the target UE is selected to be matched, and the resource parameter of the corresponding cell can satisfy the The target cell of the target UE.
  • the first base station may select a target frequency point according to a frequency point priority, and may receive power according to a reference signal of each frequency point in the frequency point priority (English: Reference Signal Receiving Power, referred to as: RSRP) signal strength, or each The coverage quality of the frequency point is selected, and the RSRP signal strength and the coverage quality of each frequency point can be determined according to the measurement report of each UE in the frequency point.
  • RSRP Reference Signal Receiving Power
  • the first base station may select a target cell from the cells included in the cell priority according to the selected target network type, the target frequency point, the cell priority, and the resource parameter of each cell included in the cell priority, according to the target.
  • the network type and the cell priority of the cell in the target frequency, and the cell load of each cell in the corresponding cell priority, the coverage of the cell, and the available resources of the cell are determined, and the available resource may be bandwidth or the like.
  • the parameters, the specific method for determining the cell load, the coverage of the cell, and the available resources of the cell are also referred to the related technologies, and the embodiments of the present invention are not described herein.
  • step 202 the method further includes:
  • Step 208 The first base station sends the handover request information to the second base station, where the handover request information carries the historical information of the target UE, and the second base station is the base station where the target cell is located.
  • the handover request information may be S1/X2 handover request information, inter-3GPP handover request information, and handover request information between 3GPP and non-3GPP, which is not limited in this embodiment of the present invention.
  • the first base station may send a handover request to the second base station where the target cell is located, where the handover request may carry the historical information of the target UE, so that the second base station is configured according to the historical information of the target UE.
  • the target UE allocates the corresponding resource and switches the target UE to the target cell, and ensures the continuity of the current service of the target UE and the corresponding service quality, thereby improving the user experience.
  • a method for determining a target cell where the first base station passes the Determining the history information of the UE, determining a primary service type to which the target UE belongs, the history information of the target UE includes a cell ID of each cell in which the target UE is camped, a network type of the cell, a staying time in the cell, and each The service information of each service run by the target UE on the cell, the service information includes a service type and a service parameter, and selects a target cell that matches the target UE based on the primary service type to which the target UE belongs, or by using the management device Transmitting the history information of the at least one UE, so that the network type, the frequency point, and the cell to which each UE belongs are sorted and sorted, and the network priority, the frequency point priority, and the cell priority under different service types are obtained, and Returning to the base station, the first base station selects a target cell that matches the target UE from the network priority, the frequency point priority, and
  • FIG. 5 is a schematic structural diagram of a base station according to an embodiment of the present invention.
  • the base station includes:
  • a determining unit 301 configured to determine, according to historical information of the target UE, a primary service type to which the target UE belongs, where the historical information of the target UE includes a cell ID of each cell where the target UE is camped, and a cell a network type, a staying time in the cell, and service information of each service that the target UE runs on each cell, where the service information includes a service type and a service parameter;
  • the selecting unit 302 is configured to select a target cell that matches the target UE based on a primary service type to which the target UE determined by the determining unit 301 belongs.
  • the base station further includes:
  • the sending unit 303 is configured to send, to the management device, historical information of the at least one UE, where the historical information of each UE includes a cell ID of each cell that the UE camps on, a network type of the cell, and a stay in the cell. Time, and service information of each service run by the UE on each cell, where the service information includes a service type and a service parameter;
  • the receiving unit 304 is configured to receive a network priority, a frequency point priority, and a cell priority in different service types sent by the management device.
  • the selecting unit 302 is specifically configured to:
  • the at least one UE includes a UE that newly initiates an RRC call within a certain time, and each UE that has just switched into the current cell.
  • the sending unit 303 may further send the history information of the at least one UE to the management device according to the specified period, and the specified period may be set in advance, and the implementation of the present invention is implemented. This example does not limit this.
  • the network priority of each service type refers to the order of different network types for the service quality of the service under the service type.
  • the service quality of the video service under Wifi is generally compared. Low, there may be cases such as catastrophes, and the quality of services of video services other than Wifi will be higher, and the video playback process will be smoother.
  • the frequency priority and cell priority under each service type are Refers to the sorting of different frequency points and the quality of service of services under different cells.
  • the relationship between the network type, the frequency point, and the cell is: one network type includes one or more frequency points, and one frequency point includes one or more cells, and each cell may include multiple UEs.
  • the selecting unit 302 is further specifically configured to:
  • the sending unit 303 is further specifically configured to:
  • the determining unit 301 is specifically configured to:
  • the greater than The type of the first threshold is a service type corresponding to the ratio, and is determined to be a primary service type of the target UE;
  • the first type of proportion is weighted to obtain a first integrated service parameter, and the primary service type of the target UE is determined. For the integrated business type.
  • the determined primary service type of the target UE when there are two or more types of types greater than the first threshold in the first type of proportion, the determined primary service type of the target UE also includes two or more, for example, when the target When the main service type of the UE is voice and data, it indicates that the target UE has more voice-type services and data-type services in the previous cell, which is not limited in this embodiment of the present invention.
  • the first threshold corresponding to the ratio of the first type may also be different, and the first threshold may be set in advance, which is not limited by the embodiment of the present invention. .
  • the service type includes at least one of the following: a scale value QCI, delay sensitivity/delay insensitivity, packet loss sensitive/loss loss insensitive, voice/video/data; and the service parameter includes at least one of the following: : number of calls, number of releases, duration of business.
  • the service type includes delay sensitivity/delay insensitivity, packet loss sensitivity/loss of packet loss, and sensitivity to delay sensitivity/delay sensitivity
  • packet loss sensitivity/loss packet loss sensitivity The division is to divide multiple sensitivity levels according to different delay sensitivity levels and different packet loss sensitivity levels.
  • the service parameter further includes at least one of the following: a service rate, a block error rate BLER, a packet loss rate, a scheduling delay, a retransmission rate, and a number of link failure RLFs of the UE in the source cell, and a wireless The resource control RRC establishment times, the RRC re-establishment times, and the RRC abnormal release times.
  • the service parameters of each service included in the history information of the target UE may include parameters such as the number of calls, the number of releases, the duration of the service, the service rate, the block error rate BLER, the packet loss rate, and the scheduling delay.
  • the first base station may include according to the service parameter. Number of calls, number of releases, duration of service, service rate, block error rate BLER, packet loss rate, scheduling delay, etc. Any of the parameters is calculated for the second type.
  • the network type includes E-UTRAN, UTRAN, GERAN, Wifi, non-3GPP.
  • a base station determines, according to historical information of the target UE, a primary service type to which the target UE belongs, where the historical information of the target UE includes each of the target UEs that are camped on. a cell ID of the cell, a network type of the cell, a staying time of the cell, and service information of each service that the target UE runs on each cell, the service information including a service type and a service parameter; Selecting a target cell to which the target UE belongs, and selecting a target cell that matches the target UE, so that the network level of the network level, the cell level, and the user level can be optimized according to the usage characteristics of the UEs of different service types. Therefore, when the target UE is handed over to the target cell, the service quality of the service on the target UE can be ensured, thereby improving the user experience.
  • FIG. 7 is a schematic structural diagram of a base station according to an embodiment of the present invention.
  • the base station includes:
  • An obtaining unit 401 configured to acquire historical information of at least one UE, where historical information of each UE includes a cell ID of each cell that the UE camps on, a network type of the cell, a staying time in the cell, and The service information of each service run by the UE on each cell, where the service information includes a service type and a service parameter;
  • the at least one UE includes a UE that newly initiates an RRC call within a certain time, and each UE that has just switched into the current cell.
  • the manner of obtaining the historical information of the at least one UE may be adopted in a pre-configured manner or may be acquired in a manner received from the first base station.
  • the management device may receive the history information of the at least one UE that is sent by the first base station according to the specified period according to the specified period, and the specified period may be set in advance, which is not limited in this embodiment of the present invention. .
  • a determining unit 402 configured to determine, according to historical information of the at least one UE, a primary service type to which each UE in the at least one UE belongs;
  • a classifying unit 403 configured to classify and sort network types, frequency points, and cells to which each UE belongs according to a primary service type to which each UE belongs, and obtain network priority, frequency priority, and frequency priority under different service types.
  • the network priority of each service type refers to the order of different network types for the service quality of the service under the service type.
  • the service quality of the video service under Wifi is generally compared. Low, there may be cases such as catastrophes, and the quality of services of video services other than Wifi will be higher, and the video playback process will be smoother.
  • the frequency priority and cell priority under each service type are Refers to the sorting of different frequency points and the quality of service of services under different cells.
  • the relationship between the network type, the frequency point, and the cell is: one network type includes one or more frequency points, and one frequency point includes one or more cells, and each cell may include multiple UEs.
  • the sending unit 404 is configured to send the network priority, the frequency priority, and the cell priority in the different service types to the first base station, so that the first base station receives the network priority from the different service type.
  • the target cell that matches the target UE is selected.
  • the determining unit 302 is specifically configured to:
  • the service type corresponding to the type of the first threshold is determined as the primary service type of the UE;
  • the weight of the first type is weighted to obtain a first integrated service parameter, and the primary service type of the UE is determined as Integrated business type.
  • the determined primary service type of the UE when there are two or more types of types of the first type that are greater than the first threshold, also includes two or more, for example, when the UE is When the main service type is voice and data, it indicates that the UE has more voice-type services and data-type services in the previous cell, which is not limited in this embodiment of the present invention.
  • the first threshold corresponding to the ratio of the first type may also be different, and the first threshold may be set in advance, which is not limited by the embodiment of the present invention. .
  • the service type includes at least one of the following: a scale value QCI, delay sensitivity/delay insensitivity, packet loss sensitive/loss loss insensitive, voice/video/data; and the service parameters include At least one of the following: number of calls, number of releases, duration of business.
  • the service type includes delay sensitivity/delay insensitivity, packet loss sensitivity/loss of packet loss, and sensitivity to delay sensitivity/delay sensitivity
  • packet loss sensitivity/loss packet loss sensitivity The division is to divide multiple sensitivity levels according to different delay sensitivity levels and different packet loss sensitivity levels.
  • the service parameter further includes at least one of the following: a service rate, a block error rate BLER, a packet loss rate, a scheduling delay, a retransmission rate, and a number of link failure RLFs of the UE, and a radio resource control RRC. Number of establishments, number of RRC re-establishments, and number of RRC abnormal releases.
  • the service parameters of each service may include one or more of the number of calls, the number of releases, the duration of the service, the service rate, the block error rate BLER, the packet loss rate, and the scheduling delay
  • the management device may, according to the service parameter, the number of calls, the number of releases, and the duration of the service, Any one of the parameters such as the service rate, the block error rate BLER, the packet loss rate, and the scheduling delay performs the calculation of the first type ratio.
  • the network type includes E-UTRAN, UTRAN, GERAN, Wifi, non-3GPP.
  • the history information of the at least one UE acquired by the management device, the historical information of each UE includes a cell ID of each cell that the UE camps on, a network type of the cell, The service information of the cell, and the service information of each service that is sent to the UE on each cell, the service information includes a service type and a service parameter, and determines each UE of the at least one UE according to the history information of the at least one UE.
  • the main service type of the UE, the network type, the frequency point, and the cell to which each UE belongs are classified and sorted according to the main service type to which each UE belongs, and the network priority and frequency priority of different service types are obtained.
  • the cell priority is sent to the first base station, so that the first base station selects the target UE from the network priority, the frequency priority, and the cell priority in the service type that is the same as the service type to which the target UE belongs.
  • Matching target cells which can be targeted to network-level, cell-level, and user-level networks according to the usage characteristics of UEs of different service types. Condition is optimized, so that the target UE when switching the target cell, to ensure quality of service target UE the service, thereby improving the user experience.

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  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
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Abstract

L'invention concerne un procédé de détermination d'une cellule cible, une station de base, et un dispositif de gestion, appartenant au domaine technique des communications. L'invention résout le problème lié, dans l'état de la technique, au fait que la qualité de service d'un service d'UE est relativement faible durant un processus de commutation d'un UE. Le procédé comprend les étapes consistant à : déterminer, selon des informations d'historique relatives à un UE cible, un type de service principal auquel l'UE cible appartient, les informations d'historique relatives à l'UE cible comprenant un ID de cellule de chaque cellule dans laquelle réside l'UE cible, un type de réseau de la cellule, un temps de résidence dans la cellule, et des informations de service concernant chaque service exploité sur chaque cellule par l'UE cible, les informations de service comprenant un type de service et un paramètre de service ; et, sur la base du type de service principal auquel l'UE cible appartient, sélectionner une cellule cible correspondant à l'UE cible.
PCT/CN2016/075219 2016-03-01 2016-03-01 Procédé de détermination de cellule cible, station de base, et dispositif de gestion WO2017147787A1 (fr)

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CN115484645B (zh) * 2021-05-31 2024-07-05 中国移动通信集团重庆有限公司 语音回落频点的确定方法、装置、设备及计算机存储介质
CN114302470A (zh) * 2022-01-04 2022-04-08 深圳市佳贤通信设备有限公司 一种基于业务类型的用户迁移方法
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CN114710801B (zh) * 2022-05-10 2024-04-30 中国联合网络通信集团有限公司 网络性能的测评参数的处理方法、装置、存储介质及设备
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CN115052322B (zh) * 2022-06-23 2023-10-13 北京小米移动软件有限公司 触发小区切换的方法、装置、存储介质及芯片

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