CN111556533A - Cell residence control method and related equipment - Google Patents
Cell residence control method and related equipment Download PDFInfo
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- CN111556533A CN111556533A CN202010413651.9A CN202010413651A CN111556533A CN 111556533 A CN111556533 A CN 111556533A CN 202010413651 A CN202010413651 A CN 202010413651A CN 111556533 A CN111556533 A CN 111556533A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/08—Load balancing or load distribution
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0007—Control or signalling for completing the hand-off for multicast or broadcast services, e.g. MBMS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The embodiment of the application provides a cell residence control method and related equipment, wherein the method comprises the following steps: acquiring load information corresponding to the service type in at least one cell according to the service type of the terminal equipment, wherein the load information corresponds to the cells one to one; and determining the resident first target cell according to the load information of the at least one cell, which is helpful for improving the reliability of cell selection and further improving the service quality of the terminal equipment.
Description
Technical Field
The present application relates to the field of mobile communications, and in particular, to a cell residence control method and a related device.
Background
When the terminal device selects a resident cell, the cell may be selected according to BAR (barring) and UAC (user access Control) broadcast by the network device. However, after the terminal device accesses and resides in the cell, the terminal device may be allocated with very low resources by the cell, and even be refused to serve by the cell, so that the terminal device cannot obtain better resources even if accessing the cell, and the reliability of cell selection is poor, which cannot meet the service quality requirement of the terminal device.
Disclosure of Invention
The embodiment of the application provides a cell residence control method and related equipment, which are beneficial to improving the reliability of cell selection, thereby improving the service quality of terminal equipment.
A first aspect of the embodiments of the present application provides a cell camping control method, including:
acquiring load information corresponding to the service type in at least one cell according to the service type of the terminal equipment, wherein the load information corresponds to the cells one to one;
and determining a first target cell to camp on according to the load information of the at least one cell, wherein the first target cell is one of the at least one cell.
A second aspect of the present application provides a cell camping control method, including:
determining a plurality of load information, wherein the plurality of load information is obtained based on the service type;
broadcasting the plurality of load information.
A third aspect of the embodiments of the present application provides a cell camping control apparatus, including:
the system comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring load information corresponding to a service type in at least one cell according to the service type of terminal equipment, and the load information corresponds to the cells one to one;
a processing module, configured to determine to camp on a first target cell according to the load information of the at least one cell, where the first target cell is one of the at least one cell.
A fourth aspect of the present embodiment provides a cell camping control apparatus, including:
a processing module for determining a plurality of load information, the plurality of load information being obtained based on a service type;
a sending module, configured to broadcast the multiple pieces of load information.
A fifth aspect of an embodiment of the present application provides an electronic device, including: a processor and a memory, the processor and the memory being interconnected, wherein the memory is configured to store a computer program, the computer program comprising program instructions, and the processor is configured to invoke the program instructions to perform the method of the first or second aspect.
A sixth aspect of the present embodiment provides a chip, where the chip includes a processor and a data interface, and the processor reads instructions stored in a memory through the data interface to execute the method according to the first aspect or the second aspect.
A seventh aspect of embodiments of the present application provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and the computer program includes program instructions, which, when executed by a processor, cause the processor to perform the method of the first aspect or the method of the second aspect.
In the embodiment of the application, the terminal device can obtain load information corresponding to the service type in at least one cell according to the service type of the terminal device, and then determine to reside in the first target cell according to the load information of the at least one cell. The terminal equipment can determine the cell with lower load according to the load information corresponding to the service type, and because the resources are shared in the network equipment, the terminal equipment can be allocated with better resources after being accessed into the cell under the condition of lower cell load, thereby being beneficial to improving the reliability of cell selection, improving the service quality of the terminal equipment and realizing load balance.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a terminal device camping in a cell provided in the present application;
fig. 2 is a schematic diagram of an architecture of a communication system according to an embodiment of the present application;
fig. 3 is a flowchart illustrating a cell camping control method according to an embodiment of the present application;
fig. 4 is a flowchart illustrating another cell camping control method according to an embodiment of the present application;
fig. 5 is a flowchart illustrating a further cell camping control method according to an embodiment of the present application;
fig. 6a is a schematic flowchart of a cell camping control method based on fixed service types according to an embodiment of the present application;
fig. 6b is a schematic flowchart of a cell camping control method based on unfixed service types according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a cell residence control apparatus according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of another cell residence control apparatus according to an embodiment of the present application;
fig. 9 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The technical scheme of the embodiment of the application can be applied to various communication systems, for example: a Long Term Evolution (LTE) system, a New Radio/New air interface (NR) system, an evolution system of the NR system, an LTE-based access to unlicensed spectrum (LTE-U) system on an unlicensed spectrum (unlicensed spectrum), an NR-U system, a future communication system or other communication systems, and the like, which are not limited in the present application.
Optionally, the communication system related to the present application may support conventional communication, and may also support any one or more of the following: Device-to-Device (D2D) Communication, Machine-to-Machine (M2M) Communication, Machine Type Communication (MTC), Vehicle-to-Vehicle (V2V) Communication, and the like.
The terminal equipment can access the cell corresponding to the network equipment and communicate with the network equipment based on the resources allocated by the network equipment. For example, as shown in fig. 1, when determining an accessed cell, the terminal device may determine whether the terminal device accesses the cell according to two parameters based on a system broadcast message sent by the receiving network device and an AC category (type) of the BAR and the UAC included in the system broadcast message. After the terminal device accesses a certain cell according to the AC category of the BAR and the UAC, the network device may allocate a relatively low Resource to the terminal device or be rejected by the cell (for example, rejected by a Radio Resource Control (RRC) Reject message) due to a relatively large load of the cell, which may result in unreliable communication, even failure of normal communication, and failure to meet the service quality requirement of the terminal device. Or, the terminal device may only be handed over to a cell with a low load through the cell, however, the cell with the low total load may not be suitable for the communication of the terminal device, for example, when the load of the current service for the terminal device is large although the total load is low, the service quality requirement of the terminal device still cannot be met.
By classifying the load information of the network equipment, the terminal equipment can determine the resident cell according to the load information corresponding to the service requirement of the terminal equipment, so that the reliability of cell selection is improved, the communication reliability is improved, and the service quality of the terminal equipment is ensured. Optionally, when the terminal device determines the resident cell according to the load information corresponding to the service demand of the terminal device, the terminal device may obtain the load information corresponding to the service type in at least one cell according to the service type of the terminal device, and then determine the resident target cell according to the load information corresponding to the at least one cell. For example, the terminal device may obtain load information broadcasted by at least one network device, where the load information may be obtained by classifying based on a first parameter, such as a parameter associated with a service type, and further, the terminal device may determine a resident cell based on the service type of the service and the broadcasted load information, for example, determine, according to the service type of the terminal device, load information corresponding to the service type from the broadcasted load information, and determine a resident target cell according to the corresponding load information. Therefore, the terminal equipment can obtain better resources and realize load balance. For example, referring to fig. 2, fig. 2 is a schematic architecture diagram of a communication system 200 according to an embodiment of the present application. The communication system 200 may include a network device 210 and a terminal device 220, and the network device 210 may communicate with the terminal device 220.
Optionally, the terminal device 220 may communicate with the network device 210, the network device 210 includes one or more cells, the terminal device 220 is in a Radio Resource Control (RRC) idle state or an RRC deactivated state, and cell search, cell access, cell reselection, and cell camping may be performed under the network device 210.
Fig. 2 exemplarily shows three network devices and one terminal device. Each network device may correspond to one or more cells. Alternatively, the communication system 200 may include a plurality of network devices and each network device may include other numbers of terminal devices within the coverage area, which is not limited in this embodiment.
Alternatively, the service type of the terminal device 220 may be fixed or may vary. If the service type of the terminal device 220 is changed, the terminal device 220 may further obtain a plurality of pieces of broadcasted load information according to the current service type, determine load information from the plurality of pieces of load information broadcasted 210 by at least one network device according to the current service type of the terminal device, and determine a resident cell according to the load information.
Optionally, the first parameter includes one or more of service priority, access level of service, quality of service QoS information, and service type.
In the present application, network device 210 may provide communication coverage for a particular geographic area and may communicate with terminal devices located within the coverage area. Optionally, the Network device 210 may be a base station, such as an evolved Node B (eNB or eNodeB) in an LTE system, or a base station gNB in an NR, or a Radio controller in a Cloud Radio Access Network (CRAN), or the Network device 210 may be a mobile switching center, a relay station, an Access point, a Network device in a 5G Network, or a Network device in a future communication system, and the application is not limited.
In the present application, the terminal device 220 may be a terminal device located within the coverage of the network device 210. Terminal Equipment 220 may refer to an access terminal, User Equipment (terminal Equipment), subscriber unit, subscriber station, mobile station, remote terminal Equipment, mobile device, User terminal Equipment, wireless communication device, User agent, or User Equipment. The access terminal device may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a handheld device with Wireless communication capability, a computing device or other processing device connected to a Wireless modem, a vehicle mounted device, a wearable device, a terminal device in a 5G network, or a terminal device in a future evolved PLMN, etc. Among them, the 5G communication system or the 5G network may also be referred to as a New Radio (NR) system or an NR network.
Optionally, the communication system 200 may further include other network entities such as a network controller, a mobility management entity, and the like, which is not limited in this embodiment.
Please refer to fig. 3, which is a flowchart illustrating a cell camping control method according to an embodiment of the present application. The cell residence control method described in this embodiment is applied to a terminal device, and includes the following steps:
301. and acquiring load information corresponding to the service type in at least one cell according to the service type of the terminal equipment, wherein the load information corresponds to the cells one to one.
Optionally, the terminal device is in a Radio Resource Control (RRC) idle state or an RRC deactivated state.
The service type may be data service, voice service, video service, V2X service, etc., or may also be a service type divided in other manners. The present application is not limited. The load information may include a load index, a load level, and the like. For the terminal device, the service type of the terminal device may be a fixed service type or a variable service type.
Specifically, the terminal device obtains load information corresponding to the service type in at least one cell according to the service type of the terminal device, for example, as shown in table 1, it is assumed that the service type of the terminal device is service type 1, in cell 1, the terminal device obtains load information corresponding to service type 1 in cell 1 according to service type 1, and in cell 2, the terminal device obtains load information corresponding to service type 1 in cell 2 according to service type 1.
TABLE 1
| Cell | Type of service | Load information |
| Cell 1 | Service type 1 | Is low in |
| Cell 2 | Service type 1 | In |
| Cell 3 | Service type 1 | Height of |
In a feasible embodiment, when a service request is initiated, the terminal device obtains a service type corresponding to the service request; or predicting the service type of the terminal equipment according to the historical service information, wherein the historical service information is used for indicating the service type of the historical service of the terminal equipment; or predicting the service type of the terminal equipment according to the schedule planning information associated with the terminal equipment. And determining a cell suitable for residing through the predicted service type, and directly accessing the terminal equipment to reside in the cell when the subsequent terminal equipment initiates the service.
For example, a terminal device (e.g., a mobile phone) acquires historical service information, for example, a certain service type (telephone service) appears in the historical service information several times in a day, and then the terminal device predicts the service type of the terminal device as the telephone service according to the historical service information.
For example, the terminal device obtains associated schedule planning information, such as 8 o 'clock and half, the schedule planning information is used for performing voice communication, and when the 8 o' clock and half are about to be reached, the service type of the terminal device is predicted to be voice service.
In a possible embodiment, the terminal device obtains load information of at least one cell according to a service type of the terminal device by using the big data platform. The big data platform can count the load information or congestion condition of each cell. And the terminal equipment acquires the load information of at least one cell corresponding to the service type from the big data platform.
302. And determining a first target cell to camp on according to the load information of the at least one cell, wherein the first target cell is one of the at least one cell.
The terminal device may determine to camp on the first target cell from the at least one cell according to the load information corresponding to the service type in the at least one cell and the first condition. The first condition may be predefined or notified by a network device or obtained based on big data analysis, and the like, which is not limited in the present application.
In a possible embodiment, it is determined whether load information of at least one cell meets a first condition, and if the load information meets the first condition, it is determined that a first target cell corresponding to the load information meeting the first condition resides. For example, the first condition is a load index below 50%. In the cell 1, the load information includes a load index, the load index is 20%, in the cell 2, the load information includes a load index of 60%, and if the load information includes a load index of 20%, the cell 1 corresponding to the load information satisfying the first condition is determined to reside.
Optionally, if the load information of at least one cell does not satisfy the first condition, determining to camp in the third target cell according to a preset manner, where the preset manner includes any one or more of the following: different-frequency measurement mode, same-frequency measurement mode and different-system measurement mode. If the load information of at least one cell does not meet the first condition, the terminal equipment does not need to select the cell according to the load information, judges whether the residence condition is met or not in a preset mode, and determines to reside in a third target cell if the residence condition is met.
For example, when the load information of at least one cell does not satisfy the first condition, through the common-frequency measurement mode, the terminal device monitors the signal quality of the neighboring cell and the current cell in the idle mode, within a period of time, the S value of the common-frequency cell is less than or equal to a preset threshold (Sintrasearch: common-frequency measurement starting threshold) and continuously satisfies the R criterion (Rt > Rs) within T time, cell reselection occurs, and it is assumed that cell 1 satisfies the residence condition through the common-frequency measurement mode and resides in the cell 1.
Optionally, if the load information of at least one cell does not satisfy the first condition, determining a third target cell according to a preset mode and the load information, where the preset mode includes any one or more of the following modes: different-frequency measurement mode, same-frequency measurement mode and different-system measurement mode. The load information of at least one cell does not satisfy the first condition, which indicates that each cell is not suitable for the terminal device to reside at the moment, but the terminal device needs to perform a service, and a third target cell can be determined by a preset mode and the load information.
For example, when the load information of at least one cell does not satisfy the first condition, through the common-frequency measurement mode, the terminal device monitors the signal quality of the adjacent cell and the current cell in the idle mode, within a period of time, the S value of the common-frequency cell is less than or equal to a preset threshold (Sintrasearch: common-frequency measurement starting threshold) and continuously satisfies the R criterion (Rt > Rs) within the T time, cell reselection occurs, and if the cells 1 and 2 determine that the residence condition is satisfied through the common-frequency measurement mode, the terminal device resides in the cell 2 by combining the load information corresponding to the cells 1 and 2 and assuming that the load information corresponding to the cell 1 is higher than the load information corresponding to the cell 2.
In a possible embodiment, the second parameter is introduced, so that the terminal device selects a cell most suitable for the terminal device to perform a service according to the load information and the second parameter. The terminal equipment acquires a second parameter of at least one cell, wherein the second parameter comprises at least one of the following parameters: and determining the resident first target cell according to the resident condition, the priority of the access technology, the signal quality and the probability of cell service interruption and the load information and the second parameter of at least one cell. Wherein, the access technology priority can be 4G, 3G, 2G, etc., and the camping condition includes satisfying S criterion, R criterion, etc.
Optionally, it is determined whether load information of at least one cell meets a first condition, and if there are multiple load information meeting the first condition, a first target cell is determined from cells corresponding to the multiple load information according to a second parameter, and the first target cell is camped on.
For example, the terminal device obtains load information and signal quality corresponding to a service type in at least one cell, the terminal device first determines whether the load information of the at least one cell meets a first condition, after determining that the load information corresponding to two target cells both meet the first condition, the load information is respectively cell 1 and cell 2, but the signal quality of cell 1 is better than that of cell 2, and the terminal device determines the resident cell 1 from the two target cells according to the signal quality.
For another example, the terminal device obtains load information and access technology priority corresponding to the service type in at least one cell, the terminal device determines whether the load information corresponding to the at least one cell meets a first condition, after determining that the load information corresponding to two target cells meets the first condition, the load information is respectively cell 1 and cell 2, cell 1 is 5G, and cell 2 is 4G, and the terminal device determines the residential cell 2 from the two target cells according to the access technology priority.
In the embodiment of the application, the terminal device obtains the load information corresponding to the service type in the at least one cell according to the service type of the terminal device, and determines to reside in the first target cell according to the load information of the at least one cell, which is beneficial to improving the reliability of cell selection, thereby improving the service quality of the terminal device.
Please refer to fig. 4, which is a flowchart illustrating a cell camping control method according to an embodiment of the present application. The cell residence control method described in this embodiment is applied to a terminal device, and includes:
401. the method comprises the steps of obtaining a plurality of pieces of load information broadcasted by at least one network device, wherein the plurality of pieces of load information are obtained by classification based on a first parameter of a service type.
Wherein each network device comprises a plurality of cells, each cell comprising a plurality of load information classified based on a first parameter. The terminal device may obtain load information, which is broadcast by at least one network device and classified based on a first parameter of a service type, where the first parameter may be one or more of a service priority, a service access class, quality of service (QoS) information, and a service type.
The plurality of load information are obtained by classifying, by the network device, the load information based on the first parameter of the service type, for example, taking the first parameter as the service priority, each load information includes a corresponding load level, and the load information in the network device is classified by the service priority, so as to obtain the plurality of load information classified based on the first parameter of the service type. For example, the higher the priority for service, the lower the load level. The two network devices obtain the plurality of load information through service priority classification as exemplarily shown in table 2 and table 3. Table 2 shows that the network device 1 obtains the multiple load levels by service priority classification, where the multiple load levels are low, medium, and high, respectively, that is, the load information in the network device 1 is based on the multiple load information obtained by service priority classification, and the multiple load information is low, medium, and high; also table 3 gives the plurality of load classes for network device 2 by service priority classification. The terminal device may obtain a plurality of load levels broadcasted by the two network devices.
TABLE 2
| Service priority | Load class |
| 1-30 | Is low in |
| 30-60 | In |
| 60-90 | Height of |
TABLE 3
| Service priority | Load class |
| 1-35 | Is low in |
| 36-71 | In |
| 72-107 | Height of |
In a possible embodiment, the first parameter of the service type is a service priority and a service access class, and the load information in the network device is classified by the first parameter, so as to obtain a plurality of load information. As shown in table 4, if each piece of load information includes a corresponding load class, it is assumed that the load classes corresponding to the service priority class 1-10 and the service access class 1-15 are low, and so on, a plurality of load classes in table 4 are obtained according to the service priority class and the service access class, that is, the load classes are low, medium, and high (that is, the load information is low, medium, and high). Similarly, the other network devices obtain a plurality of pieces of load information according to the service priority and the service access level, and then the terminal device obtains a plurality of pieces of load information broadcast by at least one network device and classified based on the service priority and the service access level, which is not described herein again.
TABLE 4
| Service priority | Service access class | Load class |
| 1-10 | 1-15 | Is low in |
| 11-20 | 16-25 | In |
| 21-30 | 26-30 | Height of |
In a possible embodiment, the terminal device receives a system broadcast message SIB1 sent by at least one network device, where the SIB1 carries multiple pieces of load information, and the multiple pieces of load information are obtained by classifying based on a first parameter of a service type. The terminal device can also obtain the cell identity, the frequency point information and the like from the system broadcast message, and since the SIB1 belongs to the rapidly changing system broadcast and the terminal device resides in the system broadcast to be read, the SIB1 is suitable for transmitting the load information classified based on the first parameter of the service type.
402. And determining the load information from a plurality of load information broadcasted by the at least one network device according to the first parameter of the service type of the terminal device.
For example, taking the first parameter of the service type as the service priority, different service types correspond to different service priorities, service type 1 corresponds to service priority 1, service type 2 corresponds to service priority 2, and service type 3 corresponds to service priority 3.
Specifically, the terminal device determines load information corresponding to the service type from a plurality of load information obtained by classifying first parameters based on the service type broadcast by at least one network device according to the service type of the terminal device, the terminal device determines the first parameters corresponding to the service type first, and the load information corresponding to the service type can be determined according to the first parameters.
For example, as table 5 shows service priorities corresponding to different service types, after the terminal device obtains multiple load levels (e.g., table 2 and table 3) broadcasted by the network device 1 and the network device 2, the terminal device may determine that the service priority (the first parameter) corresponding to the terminal device is 1 to 10 according to the current service type 1 (in table 5), and then obtain that the load level corresponding to the network device 1 is low and the load level corresponding to the network device 2 is low according to the service priorities 1 to 10.
TABLE 5
| Type of service | Service priority of traffic type |
| Service type 1 | 1-10 |
| Service type 2 | 11-20 |
| …… | …… |
| Service type n | 61-80 |
403. And determining a first target cell to camp on according to the load information of the at least one cell, wherein the first target cell is one of the at least one cell.
For a specific implementation manner of step 403, reference may be made to the related description in step 302 in the cell residence control method, which is not described herein again.
In a possible embodiment, the terminal device obtains the updated load information of the at least one cell, and determines to camp on the second target cell according to the updated load information of the at least one cell if the change information of the updated load information of the at least one cell satisfies the second condition. The terminal device obtains the updated load information of the at least one cell, determines whether the change information of the load information corresponding to the service type satisfies a second condition, and if the change information of the load information corresponding to the service type satisfies the second condition, the terminal device may determine to camp on the second target cell according to the step 302, that is, determine to camp on the second target cell according to the updated load information of the at least one cell. And the second condition is used for judging whether to determine to reside in the second target cell according to the updated load information of the at least one cell.
For example, the load information includes a load index, the updated load information has change information of 10%, the second condition is that the change information of the load information exceeds a threshold (9%), and the service type of the terminal device is not changed, then the resident cell 2 (second target cell) is determined according to the updated load information of at least one cell.
It should be noted that the first target cell and the second target cell may be the same cell or different cells. If the first target cell is different from the second target cell, it is indicated that the first target cell cannot support the service of the current terminal device according to the updated load information of the at least one cell, and the second target cell supports the service of the current terminal device according to the updated load information of the at least one cell. This can provide better service to the terminal device.
Optionally, the terminal device receives updated load information of the at least one cell sent by the system in a broadcast manner, or the terminal device receives updated load information of the at least one cell sent by the network device through an RRC message.
In a feasible embodiment, the terminal device obtains rate information corresponding to a service type of the terminal device, and determines to camp on the first target cell according to load information and rate information corresponding to the service type in at least one cell, where the rate information includes an uplink rate and/or a downlink rate corresponding to the service type.
For example, the service type of the terminal device is a data service, the download rate corresponding to the data service of the terminal device is 1MB/s, the terminal device obtains corresponding load information in at least one cell according to the data service, determines that the load information corresponding to the data service in the cell 1 is low, and determines to reside in the cell 1 if the download rate corresponding to the data service of the terminal device is met.
In a feasible embodiment, the terminal device obtains cell parameters and load information broadcasted by at least one network device, the terminal device determines an accessible cell through the cell parameters, then determines to reside in a first target cell according to the load information of the accessible cell corresponding to the service type, and excludes a certain number of cells through the cell parameters, so that resources of the terminal device for determining to reside in the first target cell are reduced. The cell parameters may include BAR and AC category of UAC, among others.
For example, the service type of the terminal device is service type 1, the terminal device obtains cell parameters and load information broadcasted by at least one network device according to service type 1, the cell parameters include BAR (barring) parameters, the accessible cell is determined by the BAR parameters, the accessible cell is respectively cell 1, cell 2 and cell 3, and the resident cell 3 is determined from the accessible cell according to the load information corresponding to service type 1.
In the embodiment of the application, the terminal device obtains a plurality of pieces of load information broadcasted by at least one network device, the plurality of pieces of load information are obtained by classification based on a first parameter of a service type, the load information corresponding to the service type is determined from the plurality of pieces of load information broadcasted by at least one network device according to the service type of the terminal device, and the resident first target cell is determined according to the load information of at least one cell, so that the terminal device can obtain better resources of the cell, the service quality of the terminal device is improved, and load balancing is realized.
Please refer to fig. 5, which is a flowchart illustrating another cell camping control method according to an embodiment of the present application. The cell residence control method described in this embodiment is applied to a network device, and includes:
501. determining a plurality of load information, the plurality of load information being derived based on a traffic type.
Specifically, the network device determines a plurality of corresponding load information according to the service type. For example, in a cell, service type 1 corresponds to load information 1, service type 2 corresponds to load information 2, and service type 3 corresponds to load information 3.
The load information may include a load level or a load index, etc.
Optionally, the network device may determine a plurality of load information according to a first parameter of a traffic type, where the first parameter of the traffic type may be one or more of a service priority, an access class of the traffic, quality of service QoS information, and a service type.
Specifically, the network device classifies the load information based on a first parameter of the traffic type. Taking the first parameter as the service access level as an example, the load information is classified through the service access level, and a plurality of pieces of load information classified based on the first parameter are obtained. The network device classifies the load information based on the service access level as shown in table 6, and the load information is a plurality of load information obtained by a certain cell based on the service access level classification, and the load information is low, medium and high.
TABLE 6
| Service access class of service type | Load information |
| 1-20 | Is low in |
| 21-40 | In |
| 41-60 | Height of |
Optionally, when the terminal device initiates a SERVICE REQUEST, a SERVICE type (SERVICE type) corresponding to the SERVICE is carried in a SERVICE REQUEST (SERVICE REQUEST) sent to the network device by a NAS (Non-Access Stratum) signaling, where the SERVICE type may be a voice SERVICE, a data SERVICE, a video SERVICE, or the like, and the network device takes the first parameter as the SERVICE type as an example, and may classify the load information according to the current load condition and the SERVICE type, so as to obtain a plurality of load information classified based on the SERVICE type. The network device classifies the load information based on the service type, and the result is shown in table 7, where the load information is a plurality of load information obtained by a certain cell based on the service type classification, and the load information is low, and medium.
TABLE 7
| Type of service | Load information |
| Voice service | Is low in |
| Video service | Is low in |
| Data service | In |
502. Broadcasting the plurality of load information.
Optionally, the network device sends a system broadcast message SIB1 to the terminal device, where the SIB1 carries multiple pieces of load information.
In a possible embodiment, if the change information of the load information satisfies the preset condition, the network device sends the updated load information to the terminal device. The preset condition is used for judging whether to send the updated load information to the terminal equipment.
For example, if the load information changes from low to high, and the difference between the change information of the load information is too large to be within the preset condition range, the network device sends the updated load information to the terminal device.
For example, the load information includes a load index, the change information of the load information is 11%, and the preset condition is that the change information of the load information exceeds a threshold (9%), the network device sends updated load information to the terminal device. For another example, the load information includes a load index, the change information of the load information is 2%, and the preset condition is that the change information of the load information exceeds a threshold (9%), the network device does not send the updated load information to the terminal device.
In the embodiment of the application, the network device determines a plurality of pieces of load information obtained based on the service type and broadcasts the plurality of pieces of load information, so that the terminal device determines the resident cell according to the plurality of pieces of load information obtained based on the service type.
In a feasible embodiment, as shown in fig. 6a, taking the first parameter as the service priority as an example, the service type of the terminal device is fixed, when the terminal device is in an RRC idle state or an RRC deactivated state, the terminal device first selects to camp in a certain cell, the terminal device obtains load information (e.g., load information based on the service priority classification in table 2) broadcast by the network device based on the service priority classification, the terminal device determines load information based on the service priority classification corresponding to the service type according to the service priority (e.g., table 5) of the service type and the load information based on the service priority classification, and determines whether the load information of the camping cell meets a first condition (e.g., the first condition is that the load information is low), and if the load information meets the first condition, the terminal device camps in the cell normally; if the load information does not meet the first condition, the terminal equipment performs cell reselection to determine a resident cell, and the cell reselection can be performed in a pilot frequency measurement mode, a same frequency measurement mode and a different system mode.
In a feasible embodiment, as shown in fig. 6b, taking the first parameter as the service priority, the service type of the terminal device is not fixed, the terminal device initiates access according to the current service type in an RRC idle state or an RRC deactivated state, obtains load information (e.g., load information based on the service priority classification in table 2) broadcasted by the network device based on the service priority classification, determines load information based on the service priority classification corresponding to the service type according to the service priority (e.g., table 5) of the current service type and the load information based on the service priority classification, and determines whether the load information of the cell where the terminal device resides meets a first condition (e.g., the first condition is low load information), and if the load information meets the first condition, the terminal device resides the cell normally; and if the load information does not meet the first condition, the terminal equipment performs cell reselection to determine a resident cell.
Please refer to fig. 7, which is a schematic structural diagram of a cell camping control apparatus according to an embodiment of the present application. The cell residence control apparatus described in this embodiment, which may be a terminal device or a chip mountable to a terminal device, includes:
an obtaining module 701, configured to obtain load information corresponding to a service type in at least one cell according to the service type of a terminal device, where the load information corresponds to the cells one to one;
a processing module 702, configured to determine to camp on a first target cell according to the load information of the at least one cell, where the first target cell is one of the at least one cell.
Optionally, the processing module 702 is specifically configured to:
obtaining a plurality of pieces of load information broadcasted by at least one piece of network equipment, wherein the plurality of pieces of load information are obtained by classification based on a first parameter of a service type;
and determining the load information from a plurality of load information broadcasted by the at least one network device according to the first parameter of the service type of the terminal device.
Optionally, the processing module 702 is specifically configured to:
judging whether the load information of the at least one cell meets a first condition;
and if the load information meets a first condition, determining to reside a first target cell corresponding to the load information meeting the first condition.
Optionally, the first parameter includes one or more of service priority, service access class, quality of service QoS information, and service type.
Optionally, the processing module 702 is specifically configured to:
receiving a system broadcast message SIB1 sent by at least one network device, where the SIB1 carries multiple pieces of load information, and the multiple pieces of load information are obtained by classifying based on a first parameter of the service type.
Optionally, the processing module 702 is specifically configured to:
obtaining a second parameter of the at least one cell, the second parameter including at least one of: residence conditions, access technology priority, signal quality, probability of cell service interruption;
and determining the first target cell to camp on according to the load information of the at least one cell and the second parameter.
Optionally, the processing module 702 is specifically configured to:
judging whether the load information of the at least one cell meets a first condition;
and if a plurality of load information meet a first condition, determining a first target cell from cells corresponding to the plurality of load information according to the second parameter, and residing in the first target cell.
Optionally, the processing module 702 is specifically configured to:
acquiring updated load information of the at least one cell;
and if the updated change information of the load information of the at least one cell meets a second condition, determining to reside in a second target cell according to the updated load information of the at least one cell.
Optionally, the processing module 702 is specifically configured to:
if the load information of the at least one cell does not meet the first condition, determining a third target cell according to a preset mode, wherein the preset mode comprises any one or more of the following modes: different-frequency measurement mode, same-frequency measurement mode and different-system measurement mode.
Optionally, the processing module 702 is specifically configured to:
acquiring rate information corresponding to a service type of terminal equipment, wherein the rate information comprises an uplink rate and/or a downlink rate corresponding to the service type;
and determining to reside the first target cell according to the load information of the at least one cell and the rate information.
Optionally, the obtaining module 701 is specifically configured to:
when a service request is initiated, acquiring a service type corresponding to the service request; alternatively, the first and second electrodes may be,
predicting the service type of the terminal equipment according to historical service information, wherein the historical service information is used for indicating the service type of the historical service of the terminal equipment; or predicting the service type of the terminal equipment according to the schedule planning information associated with the terminal equipment.
It can be understood that each functional module of the cell residence control apparatus in this embodiment may be specifically implemented according to the method in the foregoing method embodiment in fig. 3 or fig. 4, and the specific implementation process may refer to the relevant description of the foregoing method embodiment, which is not described herein again.
Please refer to fig. 8, which is a schematic structural diagram of another cell camping control apparatus according to an embodiment of the present application. The cell residence control apparatus described in this embodiment, which may be a network device or a chip mountable to a network device, includes:
a processing module 801, configured to determine a plurality of pieces of load information, where the plurality of pieces of load information are obtained based on a service type;
a sending module 802, configured to broadcast the plurality of pieces of load information.
It can be understood that each functional module of the cell residence control apparatus in this embodiment may be specifically implemented according to the method in the foregoing method embodiment in fig. 5, and a specific implementation process thereof may refer to the related description of the foregoing method embodiment, which is not described herein again.
Fig. 9 is a schematic structural diagram of an electronic device according to an embodiment of the present application. The electronic device in the embodiment shown in fig. 9 may be a terminal device, a network device, or the like, and includes: a processor 901, one or more input devices 902, one or more output devices 903, and a memory 904. The processor 901, the input device 902, the output device 903, and the memory 904 are connected by a bus 905. The memory 904 is used to store a computer program comprising program instructions, and the processor 901 is used to execute the program instructions stored by the memory 904.
In the embodiment of the present application, the processor 901 executes the executable program code in the memory 904 to perform the following operations: acquiring load information corresponding to the service type in at least one cell according to the service type of the terminal equipment, wherein the load information corresponds to the cells one to one; and determining a first target cell to camp on according to the load information of the at least one cell, wherein the first target cell is one of the at least one cell.
Optionally, the processor 901 obtains the specific implementation manner of the load information of at least one cell according to the service type of the terminal device:
obtaining a plurality of pieces of load information broadcasted by at least one piece of network equipment, wherein the plurality of pieces of load information are obtained by classification based on a first parameter of a service type;
and determining the load information from a plurality of load information broadcasted by the at least one network device according to the first parameter of the service type of the terminal device.
Optionally, the processor 901 is configured to:
judging whether the load information of the at least one cell meets a first condition;
and if the load information meets a first condition, determining to reside a first target cell corresponding to the load information meeting the first condition.
Optionally, the first parameter includes one or more of service priority, service access class, quality of service QoS information, and service type.
Optionally, the processor 901 is configured to:
receiving, by the input device 902, a system broadcast message SIB1 sent by at least one network device, where the SIB1 carries multiple pieces of load information, and the multiple pieces of load information are obtained by classifying based on the first parameter of the service type.
Optionally, the processor 901 is configured to:
obtaining a second parameter of the at least one cell, the second parameter including at least one of: residence conditions, access technology priority, signal quality, probability of cell service interruption;
and determining the first target cell to camp on according to the load information of the at least one cell and the second parameter.
Optionally, the processor 901 determines, according to the load information of the at least one cell and the second parameter, a specific implementation manner of camping on the first target cell is as follows:
judging whether the load information of the at least one cell meets a first condition;
and if a plurality of load information meet a first condition, determining a first target cell from cells corresponding to the plurality of load information according to the second parameter, and residing in the first target cell.
Optionally, the processor 901 is configured to:
acquiring updated load information of the at least one cell;
and if the updated change information of the load information of the at least one cell meets a second condition, determining to reside in a second target cell according to the updated load information of the at least one cell.
Optionally, the processor 901 is further configured to:
if the load information of the at least one cell does not meet the first condition, determining a third target cell according to a preset mode, wherein the preset mode comprises any one or more of the following modes: different-frequency measurement mode, same-frequency measurement mode and different-system measurement mode.
Optionally, the processor 901 is further configured to:
acquiring rate information corresponding to a service type of terminal equipment, wherein the rate information comprises an uplink rate and/or a downlink rate corresponding to the service type;
and determining to reside the first target cell according to the load information of the at least one cell and the rate information.
Optionally, the processor 901 is further configured to:
when a service request is initiated, acquiring a service type corresponding to the service request; alternatively, the first and second electrodes may be,
predicting the service type of the terminal equipment according to historical service information, wherein the historical service information is used for indicating the service type of the historical service of the terminal equipment; alternatively, the first and second electrodes may be,
and predicting the service type of the terminal equipment according to the schedule planning information associated with the terminal equipment.
In the embodiment of the present application, the processor 901 performs the following operations by executing the executable program code in the memory 904: determining a plurality of load information, wherein the plurality of load information is obtained based on the service type; broadcasting the plurality of load information.
It should be understood that, in the embodiment of the present Application, the Processor 901 may be a Central Processing Unit (CPU), and the Processor 901 may also be other general processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field-Programmable Gate arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, and the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 904 may include both read-only memory and random access memory, and provides instructions and data to the processor 901. A portion of the memory 904 may also include non-volatile random access memory.
The input device 902 may include a keyboard, receiver, etc.; the output device 903 may include a display, a transmitter, and the like.
Alternatively, the processor 901 may also be an integrated circuit chip having signal processing capability.
In a specific implementation, the processor 901, the input device 902, the output device 903, and the memory 904 described in this embodiment of the present application may execute an implementation manner described in a flow of a cell residence control method provided in fig. 3, fig. 4, or fig. 5 in this embodiment of the present application, and may also execute an implementation manner described in a cell residence control apparatus provided in fig. 7 or fig. 8 in this embodiment of the present application, which is not described herein again.
A computer-readable storage medium is further provided in an embodiment of the present application, and the computer-readable storage medium stores a computer program, where the computer program includes program instructions, and when the program instructions are executed by a processor, the steps performed in fig. 3, fig. 4, and fig. 5 of the above-mentioned cell-residence control method embodiment may be performed.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (17)
1. A method for controlling cell camping, the method comprising:
acquiring load information corresponding to the service type in at least one cell according to the service type of the terminal equipment, wherein the load information corresponds to the cells one to one;
and determining a first target cell to camp on according to the load information of the at least one cell, wherein the first target cell is one of the at least one cell.
2. The method of claim 1, wherein the obtaining load information corresponding to the service type in at least one cell according to the service type of the terminal device comprises:
obtaining a plurality of pieces of load information broadcasted by at least one piece of network equipment, wherein the plurality of pieces of load information are obtained by classification based on a first parameter of a service type;
and determining the load information from a plurality of load information broadcasted by the at least one network device according to the first parameter of the service type of the terminal device.
3. The method according to claim 1 or 2, wherein the determining to camp on the first target cell according to the load information of the at least one cell comprises:
judging whether the load information of the at least one cell meets a first condition;
and if the load information meets a first condition, determining to reside a first target cell corresponding to the load information meeting the first condition.
4. The method of claim 2, wherein the first parameter comprises one or more of a service priority, a traffic access class, quality of service (QoS) information, and a service type.
5. The method of claim 2, wherein the obtaining of the plurality of load information broadcasted by the at least one network device comprises:
receiving a system broadcast message SIB1 sent by at least one network device, where the SIB1 carries multiple pieces of load information, and the multiple pieces of load information are obtained by classifying based on a first parameter of the service type.
6. The method of claim 1, wherein the determining to camp on the first target cell according to the load information of the at least one cell comprises:
obtaining a second parameter of the at least one cell, the second parameter including at least one of: residence conditions, access technology priority, signal quality, probability of cell service interruption;
and determining the first target cell to camp on according to the load information of the at least one cell and the second parameter.
7. The method of claim 6, wherein the determining to camp on the first target cell according to the load information of the at least one cell and the second parameter comprises:
judging whether the load information of the at least one cell meets a first condition;
and if a plurality of load information meet a first condition, determining a first target cell from cells corresponding to the plurality of load information according to the second parameter, and residing in the first target cell.
8. The method of claim 1, wherein after determining to camp on the first target cell according to the load information of the at least one cell, the method comprises:
acquiring updated load information of the at least one cell;
and if the updated change information of the load information of the at least one cell meets a second condition, determining to reside in a second target cell according to the updated load information of the at least one cell.
9. The method of claim 3, further comprising:
if the load information of the at least one cell does not meet the first condition, determining to reside in a third target cell according to a preset mode, wherein the preset mode comprises any one or more of the following modes: different-frequency measurement mode, same-frequency measurement mode and different-system measurement mode.
10. The method of claim 1, further comprising:
acquiring rate information corresponding to a service type of terminal equipment, wherein the rate information comprises an uplink rate and/or a downlink rate corresponding to the service type;
the determining to camp on the first target cell according to the load information of the at least one cell includes:
and determining to reside the first target cell according to the load information of the at least one cell and the rate information.
11. The method of claim 1, further comprising:
when a service request is initiated, acquiring a service type corresponding to the service request; alternatively, the first and second electrodes may be,
predicting the service type of the terminal equipment according to historical service information, wherein the historical service information is used for indicating the service type of the historical service of the terminal equipment; alternatively, the first and second electrodes may be,
and predicting the service type of the terminal equipment according to the schedule planning information associated with the terminal equipment.
12. A method for controlling cell camping, comprising:
determining a plurality of load information, wherein the plurality of load information is obtained based on the service type;
broadcasting the plurality of load information.
13. A cell camping control apparatus, comprising:
the system comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring load information corresponding to a service type in at least one cell according to the service type of terminal equipment, and the load information corresponds to the cells one to one;
a processing module, configured to determine to camp on a first target cell according to the load information of the at least one cell, where the first target cell is one of the at least one cell.
14. A cell camping control apparatus, comprising:
a processing module for determining a plurality of load information, the plurality of load information being obtained based on a service type;
a sending module, configured to broadcast the multiple pieces of load information.
15. An electronic device comprising a memory and a processor, the processor and the memory being interconnected, wherein the memory is configured to store a computer program comprising program instructions, and the processor is configured to invoke the program instructions to implement the cell residence control method of any one of claims 1 to 11 or the cell residence control method of claim 12.
16. A chip, characterized in that the chip comprises a processor and a data interface, the processor reads instructions stored on a memory through the data interface to execute the cell residence control method according to any one of claims 1 to 11 or the cell residence control method according to claim 12.
17. A computer-readable storage medium having stored thereon one or more instructions adapted to be loaded by a processor and to perform the cell-residence control method of any one of claims 1 to 11 or the cell-residence control method of claim 12.
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| CN113891391A (en) * | 2021-09-14 | 2022-01-04 | 哲库科技(北京)有限公司 | Network searching method and device, terminal equipment and storage medium |
| GB2617553A (en) * | 2022-04-07 | 2023-10-18 | Canon Kk | Reselecting a new serving cell by a UE |
| CN116017478A (en) * | 2022-12-31 | 2023-04-25 | 中国联合网络通信集团有限公司 | Method, device, equipment and storage medium for determining 5G network residence state |
| CN116017478B (en) * | 2022-12-31 | 2024-03-26 | 中国联合网络通信集团有限公司 | Method, device, equipment and storage medium for determining 5G network residence state |
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