CN111935795B - Terminal device switching processing method and device, electronic device and readable storage medium - Google Patents
Terminal device switching processing method and device, electronic device and readable storage medium Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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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
- H04W36/0055—Transmission or use of information for re-establishing the radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W36/0005—Control or signalling for completing the hand-off
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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
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- 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
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Abstract
The embodiment of the application provides a method and a device for switching terminal equipment, electronic equipment and a readable storage medium, wherein the method comprises the following steps: when the service quality data of the target terminal equipment in the current service cell is smaller than a first preset threshold value, acquiring the allocable rate of the target cell to be switched and the service information of at least one current terminal equipment of the target cell; determining whether to switch the target terminal equipment to the target cell according to the allocable rate of the target cell and the service information of at least one current terminal equipment of the target cell; and if the target terminal equipment is determined to be switched to the target cell, indicating the target terminal equipment to access the target cell. The method enables the terminal equipment to obtain more sufficient service rate, greatly improves the actual service experience of the user, and can also obviously improve the utilization rate of the whole network resources.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method and an apparatus for processing terminal device handover, an electronic device, and a readable storage medium.
Background
In the field of mobile communication networks, in some specific scenarios, a terminal device needs to be handed over between different cells. For example, the terminal device may be in the fourth generation (4)thGeneration, 4G) cell and fifth Generation (5) of a Mobile communication networkthGeneration, 5G) network handover between cells of a mobile communication network,or handover may be performed between cells of two 4G mobile communication networks.
In the prior art, network switching can be performed based on network coverage information or network load information. For the handover based on the network coverage information, the handover can be performed based on the handover of the inter-frequency cell which is preferred and continuously covered by the inter-frequency cell with the coverage advantage in the same sector. For the handover based on the network load information, the handover can be performed based on the load balance of the inter-frequency cell under the same sector.
However, the method in the prior art cannot optimize and adjust the problem of low service quality of the terminal device, so that the actual service experience of the user in some scenarios cannot be expected.
Disclosure of Invention
The application provides a terminal device switching processing method and device, an electronic device and a readable storage medium. The method is used for solving the problem that the prior replacing technology lacks means for effectively adjusting network resources, and can improve the utilization rate of the whole network resources.
In a first aspect, the present application provides a handover method, including:
when the service quality data of the target terminal device in the current service cell is smaller than a first preset threshold value, acquiring the assignable rate of the target cell and the service information of at least one current terminal device of the target cell.
And determining whether to switch the target terminal equipment to the target cell or not according to the allocable rate of the target cell and the service information of at least one current terminal equipment of the target cell.
And if the target terminal equipment is determined to be switched to the target cell, indicating the target terminal equipment to access the target cell.
In an optional implementation manner, the determining whether to switch the target terminal device to the target cell according to the allocable rate of the target cell and the service information of at least one current terminal device of the target cell includes:
and determining whether to switch the target terminal equipment to the target cell or not according to the service information of the target terminal equipment, the assignable rate of the target cell and the service information of at least one current terminal equipment of the target cell.
In an optional implementation manner, the determining, according to the service information of the target terminal device, the allocable rate of the target cell, and the service information of at least one current terminal device of the target cell, whether to switch the target terminal device to the target cell includes:
according to the target terminal equipment and the resource transfer probability information of each current terminal equipment and the service required rate of the target terminal equipment;
and determining whether to switch the target terminal equipment to the target cell or not according to the allocable rate of the target terminal equipment.
In an optional implementation manner, the determining whether to handover the target terminal device to the target cell according to the assignable rate of the target terminal device includes:
and if the difference between the allocable rate of the target terminal equipment and the rate required by the service of the target terminal equipment is smaller than a second preset threshold value, determining to switch the target terminal equipment to the target cell.
In an optional implementation manner, the determining, according to a service required rate and a service actual rate of a target terminal device, a service required rate and a service actual rate of each current terminal device, a priority of a service of the target terminal device, a priority of a service of each current terminal device, and a remaining rate of the target cell, an allocable rate of the target terminal device includes:
and determining the resource transfer probability information of each target terminal device and each current terminal device according to the service priority of the target terminal device and the service priority of each current terminal device.
And determining the assignable rate of the target terminal equipment according to the resource transfer probability information of each target terminal equipment and each current terminal equipment, the service required rate and the service actual rate of the target terminal equipment, the service required rate and the service actual rate of each current terminal equipment and the residual rate of the target cell.
In an optional implementation manner, the determining, according to the resource transfer probability information of each target terminal device and each current terminal device, the service required rate and the service actual rate of the target terminal device, the service required rate and the service actual rate of each current terminal device, and the remaining rate of the target cell, the assignable rate of the target terminal device includes:
and distributing the residual rate of the target cell according to the resource transfer probability information and the residual rate of the target cell.
And determining the assignable rate of the target terminal equipment according to the assignment result of the residual rate of the target cell, the service required rate and the actual service rate of the target terminal equipment, and the service required rate and the actual service rate of each current terminal equipment.
In an optional implementation manner, before the obtaining the allocable rate of the target cell and the service information of at least one current terminal device of the target cell, the method further includes:
and determining whether the service quality data of the target terminal equipment in the current service cell is less than a first preset threshold value according to the service quality data and the service demand data of the target terminal equipment.
In an optional implementation manner, the service quality data is an actual service rate, and the service requirement data is a rate required by a service.
In an optional implementation manner, the service information of the current terminal device at least includes: actual rate of service, rate required by service, priority of service.
In a second aspect, an embodiment of the present application provides a terminal device switching processing apparatus, including:
the acquiring module is used for acquiring the assignable rate of the target cell and the service information of at least one current terminal device of the target cell when the service quality data of the target terminal device in the current service cell is smaller than a first preset threshold value.
A processing module, configured to determine whether to switch the target terminal device to the target cell according to the allocable rate of the target cell and service information of at least one current terminal device of the target cell; and if the target terminal equipment is determined to be switched to the target cell, indicating the target terminal equipment to access the target cell.
As an optional implementation manner, the processing module is specifically configured to:
and determining whether to switch the target terminal equipment to the target cell or not according to the service information of the target terminal equipment, the assignable rate of the target cell and the service information of at least one current terminal equipment of the target cell.
As an optional implementation manner, the processing module is specifically configured to:
determining the allocable rate of the target terminal equipment according to the service required rate and the service actual rate of the target terminal equipment, the service required rate and the service actual rate of each current terminal equipment, the service priority of the target terminal equipment, the service priority of each current terminal equipment and the residual rate of the target cell; and determining whether to switch the target terminal equipment to the target cell or not according to the allocable rate of the target terminal equipment.
As an optional implementation manner, the processing module is specifically configured to:
and if the difference between the allocable rate of the target terminal equipment and the rate required by the service of the target terminal equipment is smaller than a second preset threshold value, determining to switch the target terminal equipment to the target cell.
As an optional implementation manner, the processing module is specifically configured to:
determining resource transfer probability information of each target terminal device and each current terminal device according to the service priority of the target terminal device and the service priority of each current terminal device; and determining the assignable rate of the target terminal equipment according to the resource transfer probability information of each target terminal equipment and each current terminal equipment, the service required rate and the service actual rate of the target terminal equipment, the service required rate and the service actual rate of each current terminal equipment and the residual rate of the target cell.
As an optional implementation manner, the processing module is specifically configured to:
distributing the residual rate of the target cell according to the resource transfer probability information and the residual rate of the target cell; and determining the assignable rate of the target terminal equipment according to the assignment result of the residual rate of the target cell, the service required rate and the service actual rate of the target terminal equipment, and the service required rate and the service actual rate of each current terminal equipment.
As an optional implementation manner, the processing module is further configured to:
and determining whether the service quality data of the target terminal equipment in the current service cell is less than a first preset threshold value or not according to the service quality data and the service demand data of the target terminal equipment.
As an optional implementation manner, the service quality data is an actual service rate, and the service requirement data is a required service rate.
As an optional implementation manner, the service information of the current terminal device at least includes: actual rate of service, rate required by service, priority of service.
In a third aspect, the present application provides an electronic device, comprising:
a memory for storing program instructions; a processor for calling and executing the program instructions in the memory to perform the method steps of the first aspect.
In a fourth aspect, the present application provides a readable storage medium having stored therein a computer program for executing the method of the first aspect.
In the terminal device handover processing method, the terminal device handover processing apparatus, the electronic device, and the readable storage medium provided in this embodiment, when the service quality of the terminal device is low, that is, the service quality information reaches the first preset threshold, the service quality information may be determined by preferentially selecting the target cell, obtaining the assignable rate of the target cell and the service information of at least one current terminal device of the target cell, and obtaining the assignable rate of the target terminal device after the target terminal device is handed over to the target cell. Compared with the switching mode in the prior art, the embodiment enables the target terminal device to obtain a more sufficient service rate on the premise of avoiding sacrificing the quality of the wireless signal, thereby realizing the optimization and adjustment of the problem of low service quality of the terminal device and further enabling the actual service experience of the user to reach the expectation; meanwhile, the embodiment can compare and adjust the distribution of the service rate between cells of the same system and cells of different systems, so that more network resources can be utilized, and the utilization rate of the whole network resources is obviously improved.
Drawings
In order to more clearly illustrate the technical solutions in the present application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic view of a scenario applicable to a handover processing method of a terminal device according to an embodiment of the present application;
fig. 2 is a schematic flowchart of a method for processing terminal device handover according to an embodiment of the present application;
fig. 3 is a schematic flowchart of a process for acquiring service information data of a target cell by a current cell according to an embodiment of the present application;
fig. 4 is a schematic flowchart of a method for processing terminal device handover according to an embodiment of the present application;
fig. 5 is a schematic flowchart illustrating a process of estimating a dispensable rate of a target terminal device according to an embodiment of the present disclosure;
fig. 6 is a block diagram of a terminal device switching processing apparatus according to an embodiment of the present application;
fig. 7 is a schematic diagram of a module structure of an electronic device for switching processing of a terminal device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application, and it is obvious that the described embodiments are some but not all of the embodiments of the present application. 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.
For ease of understanding, first, the concepts related to the present application will be explained.
The terminal equipment in the application can be mobile terminal equipment and also can be fixed terminal equipment. The mobile terminal device includes, but is not limited to, a mobile phone, a Personal Digital Assistant (PDA), a tablet computer, a portable device (e.g., a laptop computer, a pocket computer, or a handheld computer), a User Equipment (UE), an access terminal device, a vehicle-mounted terminal, and an industrial control terminal. Fixed terminal devices include, but are not limited to, desktop computers and the like.
The wireless Mobile communication System may include a Global System for Mobile communications (GSM) System, a Code Division Multiple Access (CDMA) System, a Wideband Code Division Multiple Access (WCDMA) System, and a Long Term Evolution (LTE) SystemFourth generation mobile communication (4)thGeneration, 4G) or fifth Generation mobile communication (5)thGeneration, 5G). Of course, the wireless communication system may be other, and this is not particularly limited in this embodiment of the present application.
The current serving cell and the target cell may be cells or access points of a base station providing network services for the terminal device in the wireless mobile communication network. The Base Station in the Wireless Mobile communication Network may be an Access Point (AP) of a Wireless Local Area Network (WLAN), a Base Station (BTS) in GSM or CDMA, a Base Station (NodeB) in WCDMA, an evolved node b (eNB or eNodeB) in 4G-LTE, a Base Station (New Radio NodeB, gbb or gbnodeb) in 5G-NR Network, a Base Station or an Access Point in a future evolved Public Land Mobile Network (PLMN), or the like.
In the prior art, the handover based on the cell coverage signal strength mainly includes handover of a co-frequency cell under continuous coverage, preference and handover of a different-frequency cell with the same coverage advantage under the same sector, preference and handover of a different-system cell under continuous coverage, and the like. For the handover based on load, the main handover is based on the inter-frequency cell load balancing situation in the same sector, or the load balancing situation between base stations in which a specific link exists (for example, an X2 interface of LTE), including idle state handover or traffic state handover that satisfies the load balancing transfer condition. The two main switching modes take network side indexes as core basis of switching, and the starting point is to meet the requirements of terminal equipment on cell coverage signal intensity, frequency points or load balance among sectors.
Because the actual service quality of the terminal device is not considered in the two existing main switching modes, or even if the network side can find that the index of the network side is obviously better than the actual service quality of the terminal device, the actual service quality of the terminal device cannot be effectively optimized and adjusted through the two existing main switching modes. In an actual application scenario, for example, a problem that the network side index is better but the actual service rate of the user side is lower often occurs, and the reason for the problem is often that the allocable resources of the current serving cell are insufficient; for another example, in some scenarios, the service resources of the 5G communication network cannot always meet the actual service requirements of the users, so the following phenomena often occur in a 5G user-intensive scenario: the 4G network resources in the area where a certain terminal device is located can already meet the actual service requirements of the user, but the terminal device still contends for the 5G service resources in the area with many other terminal devices, so that the service resources of a part of terminal devices are not sufficiently allocated, and the user service experience is not expected. The above problems may negatively affect the service experience of the user, and at the same time, the overall resource utilization efficiency of the network may not be improved.
In view of the characteristics of the existing switching technology and the problems actually existing in the above scenes, the application provides a switching method suitable for any terminal equipment by taking the service quality and resources of the terminal equipment as the basis for switching.
Fig. 1 is a schematic diagram of an exemplary scenario of a terminal device handover processing method according to an embodiment of the present application, and as shown in fig. 1, the present application relates to a target terminal device 101, a current serving cell 102, a target cell 103, and a current terminal device 104 of a plurality of target cells in a communication system.
The following describes a method for switching a terminal device according to the present application with reference to specific embodiments, and it should be noted that the following embodiments may be combined with each other.
Fig. 2 is a schematic flow chart of a method for switching a terminal device according to this embodiment, and as shown in fig. 2, the method for switching a terminal device based on the service quality of the terminal device according to this embodiment may include the following steps:
s201, when the service quality data of the target terminal device in the current service cell is smaller than a first preset threshold value, acquiring the allocable rate of the target cell to be switched and the service information of at least one current terminal device of the target cell.
Optionally, when the mobile device is in a service connection state in the current serving cell, the current serving cell may collect and count service quality data of all terminal devices in the cell in a periodic and/or aperiodic measurement manner, and determine whether the actual service quality of each terminal device is less than a first preset threshold, if so, the current serving cell regards the terminal device as a target terminal device.
Optionally, the statistical method for the service quality data of the terminal device may be at least one of the following methods: arithmetic average, geometric average, weighted average, squared average, or harmonic average.
Optionally, the target cell may be a cell that is adjacent to the current serving cell and has good signal strength, and the target cell may be a cell of the same system as the current serving cell or a cell of a different system from the current serving cell. If the target cell satisfying the above condition is not unique, one of the cells having the best condition may be selected as the target cell. For example, the target cell may be selected from a neighbor cell list of the same system or a different system, and a neighbor cell with the highest signal strength or the highest signal-to-noise ratio that can be received by the terminal device is used as the target cell.
The method for preferably selecting a neighboring cell from the same system of the current cell or from a system neighboring cell list includes, but is not limited to, any of the following: the cell with the highest signal strength received by the terminal device, the cell with the highest number of times of mutual switching with the current cell, the cell closest to the terminal device, the cell with the most idle service resources, or some combination of any two or more of the above.
Optionally, the mode for acquiring the service quality data of the terminal device by the current serving cell may be that the current serving cell or the base station measures the terminal device, or that the terminal device reports the measured data to the current serving cell, or that other network element devices indicate the current serving cell or the base station, or that the terminal device is indicated by the current serving cell or the base station to perform measurement reporting.
Optionally, the service quality data of the terminal device may be actual rate data of a service of the terminal device, may be service continuity data, may be time delay data of the service, and may also be service quality data of other dimensions, which is not limited in this application.
Optionally, the allocable rate of the target cell to be switched may be a downlink service data rate, an uplink service data rate, or some combination of the uplink and downlink service data rates.
For example, the service information of at least one current terminal device of the target cell may be service information of at least one current terminal device in a service state in the target cell.
Optionally, the service information includes, but is not limited to, any one, more or some combination of the following items: the equipment number of the terminal equipment, the priority of the service, the required rate of the service, the actual rate of the service, the rated rate of the target cell and the like.
Optionally, the assignable rate of the target cell to be switched and the service information of at least one current terminal device of the target cell are obtained, and the execution subject of the action may be a current base station providing service for the target terminal device, or other network elements in the network having a control or communication function for the base station of the current cell and the base station of the target cell.
S202, according to the distributable rate of the target cell and the service information of at least one current terminal device of the target cell, determining whether to switch the target terminal device to the target cell.
Optionally, whether to switch the target terminal device to the target cell is determined according to the allocable rate of the target cell and the service information of at least one current terminal device of the target cell, where an execution subject of the action may be a current base station providing service for the target terminal device, or may be another network element in the network that has a control function or a communication function for a base station where the current cell is located and a base station where the target cell is located.
S203, if it is determined that the target terminal device is switched to the target cell, indicating the target terminal device to access the target cell.
Illustratively, if a current serving cell determines to switch a target terminal device to a target cell, the current serving cell initiates a switching request to the target cell, the target cell sends a switching request response to the current serving cell after receiving the switching request of the current serving cell, and after receiving the switching request response, if the response content is to allow switching, the current serving cell instructs the target terminal device to switch to the target cell, and the target terminal device establishes connection with the target cell.
For example, if it is determined that the target terminal device is switched to the target cell, the target terminal device is instructed to access the target cell, and the execution subject of the action may be a current base station providing service for the target terminal device, or may be another network element in the network that has a control or communication function for a base station where the current cell is located and a base station where the target cell is located.
In this embodiment, when the service quality of the terminal device is low, that is, the service quality information reaches the first preset threshold, the assignable rate of the target cell and the service information of at least one current terminal device of the target cell may be obtained by preferentially selecting the target cell, and the assignable rate of the target terminal device after being switched to the target cell may be obtained, so as to determine whether to switch the target terminal device. Compared with the switching mode in the prior art, the embodiment enables the target terminal device to obtain a more sufficient service rate on the premise of avoiding sacrificing the quality of the wireless signal, thereby realizing the optimization and adjustment of the problem of low service quality of the terminal device and further enabling the actual service experience of the user to reach the expectation; meanwhile, the embodiment can compare and adjust the distribution of the service rate between cells of the same system and cells of different systems, so that more network resources can be utilized, and the utilization rate of the whole network resources is obviously improved.
As an alternative embodiment, the service quality data may be an actual service rate, and the service requirement data may be a required service rate.
Optionally, the actual traffic rate may be any one or more of the following: the actual rate of the uplink service, the actual rate of the downlink service and the actual rate of the uplink service and the actual rate of the downlink service are combined.
Optionally, the rate required by the service, that is, the service demand rate, may be determined by the priority of the service of the terminal device, may be at least one explicit constant, or may be a numerical value within an interval range; may be an invariant or a variant.
As an optional implementation manner, the execution process of step S202 includes:
and determining whether to switch the target terminal equipment to the target cell or not according to the service information of the target terminal equipment, the distributable rate of the target cell and the service information of at least one current terminal equipment of the target cell.
Optionally, the service information of the target terminal device may be a device number of the target terminal device in a service state in the current cell, a priority of the service, a required rate of the service, an actual rate of the service, a rated rate of the target cell, and the like. Or the device number of the terminal device in the service establishment process in the current cell, the priority of the service, the required rate of the service, the actual rate of the service, the rated rate of the target cell, and the like.
For example, the current serving cell may obtain service information of the target terminal device, that is, a priority of a service of the target terminal device, a rate required by the service, an actual rate of the service, and the like. If the priority of the service is higher, the required rate of the corresponding service and the actual rate of the service are higher. The above information can be shown in the following table one:
| serial number | Device numbering | Priority of service | Rate required for service | Actual rate of service |
| 1 | 001 | 1 | 20Mb/s | 10Mb/s |
Watch 1
The current serving cell may also obtain the service information of at least one current terminal device of the target cell through the process shown in fig. 3.
As shown in the figure, the process of acquiring, by the current serving cell, the service information of at least one current terminal device of the target cell includes:
s301, the current service cell sends a service information request to the target cell.
S302, the target cell sends a service information reporting instruction to the current terminal equipment of the target cell.
And S303, returning the service information data to the target cell by the current terminal equipment of the target cell.
S304, the target cell returns service information data to the current service cell.
The following table is an example of the service information of the current terminal device of the target cell.
Watch two
After the current serving cell acquires the service information of the target terminal device and the service information of the current terminal device of the target cell, the two information may be combined to form a service information table as exemplified in the following table three.
Watch III
After the current serving cell acquires the allocable rate information of the target cell, it may determine whether to switch the target terminal device to the target cell based on the service information in the service information table exemplified by the table three and the allocable rate information.
In this embodiment, when determining whether to switch the target terminal device to the target cell, the result of determining whether to switch may be better matched with the actual service quality of the target terminal device based on the service information of the target terminal device in addition to the allocable rate of the target cell and the service information of the current terminal device of the target cell.
As an optional implementation manner, fig. 4 is a schematic flowchart of a handover processing method for a handover terminal device according to an embodiment of the present application, and as shown in fig. 4, an optional manner of determining whether to handover a target terminal device to a target cell according to service information of the target terminal device, an allocable rate of the target cell, and service information of at least one current terminal device of the target cell includes:
s401, determining the assignable rate of the target terminal equipment according to the service required rate and the actual service rate of the target terminal equipment, the service required rate and the actual service rate of each current terminal equipment, the service priority of the target terminal equipment, the service priority of each current terminal equipment and the residual rate of the target cell.
First, the current serving cell may add the service information shown in table one of the target terminal device to the service information table shown in table two acquired from the target cell to form the service information table shown in table three.
And secondly, the residual rate of the target cell is the assignable rate of the target cell minus the actual service rate of the target terminal device and the actual service rate of each current terminal device. In the initial case, the assignable rate of the target cell may be the rated rate of the cell.
For example, the assignable rate of the target terminal device may be an estimated assignable rate of the target terminal after handover to the target cell. In the estimation process, the remaining rate of the target cell may be determined through the foregoing step S401.
Notably, the remaining rate V of the target cell after the rate assignment step in the subsequent iteration process0A zeroing is performed.
S402, determining whether the target terminal equipment is switched to the target cell or not according to the allocable rate of the target terminal equipment.
For example, the current cell may compare the assignable rate of the target terminal device with a preset specific threshold, and if the difference between the assignable rate and the specific threshold satisfies a specific condition, notify the target cell and the target terminal device to implement a handover procedure.
In this embodiment, according to the service required rate and the service actual rate of the target terminal device, the service required rate and the service actual rate of each current terminal device, the service priority of the target terminal device, the service priority of each current terminal device, and the remaining rate of the target cell, the allocable rate of the target terminal device and the allocable rate of each current terminal device may be determined, and the remaining resources of the target cell may be allocated to each terminal device in a targeted manner according to the service priority of each terminal device, thereby improving the efficiency of allocating the remaining resources of the target cell.
As an alternative implementation, the specific implementation process of step S402 may be as follows.
And if the difference between the distributable rate of the target terminal equipment and the service required rate of the target terminal equipment is smaller than a second preset threshold value, determining to switch the target terminal equipment to the target cell.
For example, the current cell may obtain the estimated distributable rate v of the target terminal device after being switched to the target cell by the foregoing method2Speed v required by target terminal equipment service0And it can be known that the second preset threshold is p2，p2Can be set in the value range of [0.8,1 ]]Within the numerical range of (c). The treatment can be carried out in the following manner: if v is2＞v0*p2If the switching judgment is successful; if v is2≤v0*p2If the switching judgment fails, the switching process from the target terminal equipment to the target cell is not executed.
Fig. 5 is a schematic flowchart of a process of estimating an assignable rate of a target terminal device according to an embodiment of the present application, and as shown in fig. 5, an optional manner of step S401 includes:
firstly, determining resource transfer probability information of each target terminal device and each current terminal device according to the priority of the target terminal device and each current terminal device service.
And secondly, obtaining the assignable rate of the target terminal equipment according to the resource transfer probability information of the target terminal equipment and each current terminal equipment, the service required rate and the actual service rate of the target terminal equipment, the service required rate and the actual service rate of each current terminal equipment and the residual rate of the target cell.
In the specific implementation process, the above process is an iterative process, and all terminal devices in the service information table exemplified in table three are marked, or when there is a terminal device whose actual service rate is less than the service demand rate and the remaining target cell rate is 0, the iteration is stopped, and the rate of the target terminal device at this time is taken as the assignable rate of the target terminal device.
The processing in one of the iterations is described below.
Optionally, the resource transfer probability model may be selected from a probabilistic graph model, a markov model, a naive bayes classifier model, and a conditional random field model, and the resource transfer probability model is not specifically limited in the application. The method for generating the resource transition probability information is described below by taking a markov chain model as an example.
For example, the resource transfer probability information of all the unmarked terminal devices in the service information shown in table three above may be generated according to the markov chain model based on the terminal device information in the service information table shown in table three above and through the following service priority and resource transfer algorithm formula (1) and formula (2).
Wherein, ai，jRepresenting the probability of resource transfer from terminal i to terminal j; y isi、yjRespectively representing the priority of the services of the equipment i and the equipment j, and y is the higher the priority isi、yjThe larger the value is, the larger the probability of transferring the corresponding resource is, and yi、yjCan be respectively the interval [1,10 ]]Any one integer within; i ≠ j represents that the resource of the terminal device is not transferred to other terminal devices, and i ≠ j represents that the resource of the terminal device is transferred to other terminal devices; parameter yOffSetMeans priority bias, which is used for adjusting the influence degree of the priority of the service of different terminal equipment on the resource transfer probability, and can be set as an interval [20,50 ]]Any one integer within.
In the application, the marked terminal device can indicate that the service demand rate of the terminal device is equal to the actual service rate, and does not participate in subsequent rate adjustment; the unmarked terminal device may indicate that the service demand rate of the terminal device is not equal to the actual service rate, and needs to participate in subsequent rate adjustment.
The following formula (3) is resource transition probability information, i.e., a resource transition probability matrix a [ M ], generated by the formula (1) and the formula (2).
Wherein, M may be the number of unmarked terminal devices in the iteration process of the current round, [ M ] is a matrix expressed in an array form, where a matrix a is a matrix of M rows by M columns, and the number of devices i and j is equal to M.
In each iteration, the current cell can be based on the residual velocity V of the target cell0The actual service rate, the required service rate, the priority of the service and the marking condition of each terminal device in the service information table shown in table three are calculated by the resource transfer probability matrix of the formula (3) to obtain the stable distribution pi [ M ]]I.e., equation (4).
π[M]＝(p0,p1,p2,…pM-1) (4)
Wherein, the distribution is stable pi [ M ]]Is a probability distribution with invariant properties, characterizes the extreme and average behavior of the Markov chain model over a long period of time, can be used to predict the results of future rate transitions, and p0,p1,p2,…pM-1The sum is equal to 1.
Then, the residual rate V of the target cell at this time is determined0And the even distribution of pi [ M ]]And multiplying to respectively obtain the distribution rate increment of each unmarked terminal device in the iteration.
Then, accumulating the service distribution rate increment obtained by each unmarked terminal equipment in the current iteration and the actual rate distributed by the unmarked terminal equipment before the current iteration to obtain the distribution rate of the terminal equipment in the current iteration, and simultaneously accumulating the residual rate V of the target cell0Zeroed and the steps of fig. 5 described below are performed.
By introducing the Markov chain model, the resource transfer probability among the current terminal devices is described, so that the result of resource transfer among the terminal devices in each iteration process can be accurately predicted subsequently. Meanwhile, by generating the stable distribution of the resource transfer probability matrix, the result of the resource transfer can be continuously predicted in the process of multiple iterations, the estimated distributable rate of the terminal equipment is gradually approached, and the resource distribution accuracy is improved.
Fig. 5 is a schematic flowchart of estimating an assignable rate of a target terminal device according to an embodiment of the present application, and as shown in fig. 5, after the assignable rate of the terminal device in the current iteration is obtained in the current iteration, the following processes of steps S501 to S504 may be executed.
And S501, traversing each terminal device of the service information table shown in the third table, and performing the following classification processing on the terminal devices.
a. If the distribution rate of a certain terminal device in the table three is equal to the rate required by the service of the terminal device, marking the terminal device so that the terminal device does not participate in the subsequent calculation and distribution of the service distribution rate increment.
b. If the distribution rate of the terminal equipment is larger than the rate required by the service of the terminal equipment, the actual rate of the service is made equal to the rate required by the service, and the part which is more than the rate required by the service is added into the residual rate V of the target cell0And marking the terminal equipment to ensure that the terminal equipment does not participate in the subsequent calculation and distribution of service distribution rate increment.
c. And if the distribution rate of the terminal equipment is less than the required rate of the terminal equipment, participating in the processing of the subsequent steps.
When the step is finished, the residual rate V of the target cell0Changes again, at this point V0May be a newly added part in the above-described classification processing b.
S502, generating resource transfer probability information through a Markov chain model based on the table III, the formula (1) and the formula (2) for all the unmarked M terminal devices in the service information table shown in the table III, and generating allocation rate increment for the unmarked terminal devices in the iteration process according to the formula (4). When the dispensing motion is completed in this round, V0 is zeroed.
S503, judging whether all the terminal equipments in the service information table shown in the table III are marked or not, or at least one actual service rate of the terminal equipment in the target cell is smaller than the rate required by the service and the residual rate V of the target cell at the moment0Equal to 0. If yes, go to step S504; if not, entering the next iteration processing process.
S504, stopping iteration, and taking the distribution rate of the target terminal equipment after the iteration as the distribution rate of the target terminal equipment.
There are two possibilities at this time: 1, the target terminal device is marked, and the assignable rate of the target terminal device is equal to the rate required by the service, so that the switching judgment is successful; 2, the target terminal device is not marked, and an estimated distributable rate V is obtained2Then it is necessary to allocate the rate V according to the rate2Processing the first preset threshold value and the second preset threshold value, and if the switching requirement is met, successfully judging the switching; if the switching requirement is not met, the switching judgment fails and no action is performed.
In this embodiment, through the above processing flow, it is possible to predict the distribution rate result of each unmarked terminal device, that is, the terminal device whose actual service rate is less than the required service rate, and accordingly predict the residual rate V of the target cell0And the data are distributed to each unmarked terminal device in a reasonable prediction mode, so that the utilization rate of the whole network resources is improved.
As an optional implementation manner, an embodiment of the present application provides an optional manner of determining whether the service quality data of the target terminal device in the current serving cell is smaller than a first preset threshold according to the service quality data and the service demand data of the target terminal device.
For example, the current serving cell may be in a preset time period T1In the method, the service quality data of at least one terminal device in the cell is measured and sampled for N times to obtain N sampling values
To the sameAfter averaging N sampling values, averaging the average value VaAnd a first preset threshold v0*p1Comparing if the value is greater than or equal to a first preset threshold value v0*p1If so, not performing the operation; if the service quality sampling mean value is less than the first preset threshold value v0*p1Then the decision is made to start the measurement on the target cell, where p1Is a [0,1 ]]The coefficient in the range of the closed interval, for example, in the present embodiment, p may be1The value range of (A) is set to be 0.4-0.8.
Wherein v is0Rate, v, required for the service of the terminal device0The rate required by the service of the terminal device may be determined by the priority of the service of the terminal device, for example, a preset mapping relationship may exist between the rate required by the service and the priority of the service, and thus, the rate required by the service of the terminal device may be determined by the priority of the service of the terminal device.
As an optional implementation manner, the target terminal device in this embodiment of the present application may set and start a handover penalty timer for the target mobile device after the handover decision based on the service quality is successful, so that the target terminal device is within a preset time length T2The rate-based handover decision procedure is not entered again.
Optionally, after the handover decision based on the service quality is successful, the current cell may start when the handover decision is successful, or start when the target terminal device is successfully handed over to the target cell, which is not limited in this application.
By the method of the embodiment, frequent switching of the terminal equipment among the cells can be avoided under the switching method of the application, so that the possibility of service interruption and quality fluctuation can be reduced, and meanwhile, the operation resources of a network side and/or the terminal equipment can be saved.
Fig. 6 is a block diagram of a terminal device switching processing apparatus according to an embodiment of the present application, and as shown in fig. 6, the apparatus 600 includes:
an obtaining module 601, configured to obtain an allocable rate of a target cell to be switched and service information of at least one current terminal device of the target cell when service quality data of the target terminal device in a current serving cell is smaller than a first preset threshold.
A processing module 602, configured to determine whether to switch the target terminal device to the target cell according to the allocable rate of the target cell and service information of at least one current terminal device of the target cell; and if the target terminal equipment is determined to be switched to the target cell, indicating the target terminal equipment to access the target cell.
As an optional implementation manner, the processing module 602 is specifically configured to:
and determining whether to switch the target terminal equipment to the target cell or not according to the service information of the target terminal equipment, the assignable rate of the target cell and the service information of at least one current terminal equipment of the target cell.
As an optional implementation manner, the processing module 602 is specifically configured to:
determining the allocable rate of the target terminal equipment according to the service required rate and the service actual rate of the target terminal equipment, the service required rate and the service actual rate of each current terminal equipment, the service priority of the target terminal equipment, the service priority of each current terminal equipment and the residual rate of the target cell; and determining whether to switch the target terminal equipment to the target cell or not according to the allocable rate of the target terminal equipment.
As an optional implementation manner, the processing module 602 is specifically configured to:
and if the difference between the allocable rate of the target terminal equipment and the rate required by the service of the target terminal equipment is smaller than a second preset threshold value, determining to switch the target terminal equipment to the target cell.
As an optional implementation manner, the processing module 602 is specifically configured to:
determining resource transfer probability information of each target terminal device and each current terminal device according to the service priority of the target terminal device and the service priority of each current terminal device; and determining the assignable rate of the target terminal equipment according to the resource transfer probability information of each target terminal equipment and each current terminal equipment, the service required rate and the service actual rate of the target terminal equipment, the service required rate and the service actual rate of each current terminal equipment and the residual rate of the target cell.
As an optional implementation manner, the processing module 602 is specifically configured to:
distributing the residual rate of the target cell according to the resource transfer probability information and the residual rate of the target cell; and determining the assignable rate of the target terminal equipment according to the assignment result of the residual rate of the target cell, the service required rate and the actual service rate of the target terminal equipment, and the service required rate and the actual service rate of each current terminal equipment.
As an optional implementation, the processing module 602 is further configured to:
and determining whether the service quality data of the target terminal equipment in the current service cell is less than a first preset threshold value or not according to the service quality data and the service demand data of the target terminal equipment.
As an optional implementation manner, the service quality data is an actual service rate, and the service requirement data is a required service rate.
As an optional implementation manner, the service information of the current terminal device at least includes: actual rate of service, rate required by service, priority of service.
The switching device provided in the embodiment of the present application may perform the method steps in the foregoing method embodiments, and the implementation principle and the technical effect are similar, which are not described herein again.
It should be noted that the division of the modules of the above apparatus is only a logical division, and the actual implementation may be wholly or partially integrated into one physical entity, or may be physically separated. And these modules can be realized in the form of software called by processing element; or may be implemented entirely in hardware; and part of the modules can be realized in the form of calling software by the processing element, and part of the modules can be realized in the form of hardware. For example, the determining module may be a processing element separately set up, or may be integrated into a chip of the apparatus, or may be stored in a memory of the apparatus in the form of program code, and a processing element of the apparatus calls and executes the function of the determining module. Other modules are implemented similarly. In addition, all or part of the modules can be integrated together or can be independently realized. The processing element described herein may be an integrated circuit having signal processing capabilities. In implementation, each step of the above method or each module above may be implemented by an integrated logic circuit of hardware in a processor element or an instruction in the form of software.
For example, the above modules may be one or more integrated circuits configured to implement the above methods, such as: one or more Application Specific Integrated Circuits (ASICs), or one or more microprocessors (DSPs), or one or more Field Programmable Gate Arrays (FPGAs), among others. For another example, when one of the above modules is implemented in the form of a Processing element scheduler code, the Processing element may be a general-purpose processor, such as a Central Processing Unit (CPU) or other processor capable of calling program code. For another example, these modules may be integrated together and implemented in the form of a System-On-a-Chip (SOC).
In the above embodiments, all or part of the implementation may be realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website site, computer, server, or data center to another website site, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., Digital Video Disk, or DVD), or a semiconductor medium (e.g., Solid State Disk, or SSD), among others.
Fig. 7 is a schematic structural diagram of an electronic device provided in the present application. The electronic device may be, for example, the aggregation detection means in the above-described embodiments. As shown in fig. 7, the electronic device 700 includes: a memory 701 and at least one processor 702.
A memory 701 for storing program instructions.
The processor 702 is configured to implement the aggregation detection method in this embodiment when the program instructions are executed, and specific implementation principles may be referred to in the foregoing embodiments, which are not described herein again.
The electronic device 700 may also include an input/output interface 703.
The input/output interface 703 may include a separate output interface and input interface, or may be an integrated interface that integrates input and output. The output interface is used for outputting data, the input interface is used for acquiring input data, the output data is a general name output in the method embodiment, and the input data is a general name input in the method embodiment.
Optionally, an embodiment of the present application further provides a storage medium, where instructions are stored in the storage medium, and when the storage medium is run on a computer, the storage medium causes the computer to execute the method according to the embodiment shown in fig. 2 to 5.
Optionally, an embodiment of the present application further provides a chip for executing the instruction, where the chip is configured to execute the method in the embodiment shown in fig. 2 to 5.
The embodiment of the present application further provides a program product, where the program product includes a computer program, where the computer program is stored in a storage medium, and the computer program can be read from the storage medium by at least one processor, and when the computer program is executed by the at least one processor, the method of the embodiment shown in fig. 2 to 5 may be implemented.
In the embodiments of the present application, "at least one" means one or more, and "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone, wherein A and B can be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship; in the formula, the character "/" indicates that the preceding and following related objects are in a relationship of "division". "at least one of the following" or similar expressions refer to any combination of these items, including any combination of the singular or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or multiple.
It is to be understood that the various numerical references referred to in the embodiments of the present application are merely for convenience of description and distinction and are not intended to limit the scope of the embodiments of the present application.
It should be understood that, in the embodiment of the present application, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiment of the present application.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (8)
1. A method for switching terminal equipment is characterized by comprising the following steps:
when the service quality data of the target terminal equipment in the current service cell is smaller than a first preset threshold value, acquiring the allocable rate of the target cell and the service information of at least one current terminal equipment of the target cell;
determining whether to switch the target terminal equipment to the target cell according to the allocable rate of the target cell and the service information of at least one current terminal equipment of the target cell;
if the target terminal equipment is determined to be switched to the target cell, indicating the target terminal equipment to access the target cell;
the determining whether to switch the target terminal device to the target cell according to the allocable rate of the target cell and the service information of at least one current terminal device of the target cell includes:
determining whether to switch the target terminal equipment to the target cell according to the service information of the target terminal equipment, the allocable rate of the target cell and the service information of at least one current terminal equipment of the target cell;
the determining whether to switch the target terminal device to the target cell according to the service information of the target terminal device, the assignable rate of the target cell and the service information of at least one current terminal device of the target cell includes:
determining the allocable rate of the target terminal equipment according to the service required rate and the service actual rate of the target terminal equipment, the service required rate and the service actual rate of each current terminal equipment, the service priority of the target terminal equipment, the service priority of each current terminal equipment and the residual rate of the target cell;
determining whether to switch the target terminal equipment to the target cell according to the distributable rate of the target terminal equipment;
the determining whether to switch the target terminal device to the target cell according to the assignable rate of the target terminal device includes:
if the difference between the allocable rate of the target terminal equipment and the rate required by the service of the target terminal equipment is smaller than a second preset threshold value, determining to switch the target terminal equipment to the target cell;
the determining the allocable rate of the target terminal device according to the service required rate and the service actual rate of the target terminal device, the service required rate and the service actual rate of each current terminal device, the service priority of the target terminal device, the service priority of each current terminal device, and the remaining rate of the target cell includes:
determining resource transfer probability information of each target terminal device and each current terminal device according to the service priority of the target terminal device and the service priority of each current terminal device;
and determining the assignable rate of the target terminal equipment according to the resource transfer probability information of each target terminal equipment and each current terminal equipment, the service required rate and the service actual rate of the target terminal equipment, the service required rate and the service actual rate of each current terminal equipment and the residual rate of the target cell.
2. The method of claim 1, wherein the determining the assignable rate of the target terminal device according to the resource transfer probability information of each of the target terminal devices and each of the current terminal devices, the service required rate and the service actual rate of the target terminal device, the service required rate and the service actual rate of each of the current terminal devices, and the remaining rate of the target cell comprises:
distributing the residual rate of the target cell according to the resource transfer probability information and the residual rate of the target cell;
and determining the assignable rate of the target terminal equipment according to the assignment result of the residual rate of the target cell, the service required rate and the actual service rate of the target terminal equipment, and the service required rate and the actual service rate of each current terminal equipment.
3. The method of any one of claims 1-2, wherein before obtaining the assignable rate of the target cell and the traffic information of at least one current terminal device of the target cell, the method further comprises:
and determining whether the service quality data of the target terminal equipment in the current service cell is less than a first preset threshold value or not according to the service quality data and the service demand data of the target terminal equipment.
4. The method according to any of claims 1-2, wherein the quality of service data is a service actual rate and the service requirement data is a service required rate.
5. The method according to any of claims 1-2, wherein the service information of the current terminal device at least comprises: actual rate of service, rate required by service, priority of service.
6. A terminal device switching apparatus, comprising:
the system comprises an acquisition module, a switching module and a switching module, wherein the acquisition module is used for acquiring the allocable rate of a target cell to be switched and the service information of at least one current terminal device of the target cell when the service quality data of the target terminal device in the current service cell is smaller than a first preset threshold;
a processing module, configured to determine whether to switch the target terminal device to the target cell according to the allocable rate of the target cell and service information of at least one current terminal device of the target cell; if the target terminal equipment is determined to be switched to the target cell, indicating the target terminal equipment to access the target cell;
the processing module is specifically configured to determine whether to switch the target terminal device to the target cell according to the service information of the target terminal device, the assignable rate of the target cell, and the service information of at least one current terminal device of the target cell;
the processing module is specifically configured to determine an allocable rate of a target terminal device according to a service required rate and a service actual rate of the target terminal device, a service required rate and a service actual rate of each current terminal device, a service priority of the target terminal device, a service priority of each current terminal device, and a remaining rate of the target cell;
determining whether to switch the target terminal equipment to the target cell according to the allocable rate of the target terminal equipment;
the processing module is specifically configured to determine to switch the target terminal device to the target cell if a difference between the allocable rate of the target terminal device and the rate required by the service of the target terminal device is smaller than a second preset threshold;
the processing module is specifically configured to determine resource transfer probability information of each target terminal device and each current terminal device according to a priority of a service of the target terminal device and a priority of a service of each current terminal device;
and determining the assignable rate of the target terminal equipment according to the resource transfer probability information of each target terminal equipment and each current terminal equipment, the service required rate and the service actual rate of the target terminal equipment, the service required rate and the service actual rate of each current terminal equipment and the residual rate of the target cell.
7. An electronic device, comprising:
a memory for storing program instructions;
a processor for invoking and executing program instructions in said memory for performing the method steps of any of claims 1-5.
8. A readable storage medium, characterized in that a computer program is stored in the readable storage medium for performing the method of any of claims 1-5.
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