CN110475298A

CN110475298A - A kind of cell determination method, equipment and system

Info

Publication number: CN110475298A
Application number: CN201810443905.4A
Authority: CN
Inventors: 唐伦; 赵旭; 陈前斌; 张晨璐; 郑倩
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2018-05-10
Filing date: 2018-05-10
Publication date: 2019-11-19
Anticipated expiration: 2038-05-10
Also published as: CN110475298B

Abstract

The embodiment of the invention discloses a kind of cell determination method, equipment and systems, it is related to field of communication technology, be able to solve target BS and refuse the switching request of source base station transmission because its idling-resource is insufficient or is unable to satisfy the QoS demand of UE, so as to cause handover failure of the UE between different community the problem of.The specific scheme is that MEC entity receives the first request message that source base station is sent, first request message is for requesting the first parameter, first parameter determines the to be switched Target cell of target UE for source base station, the Target cell provides service by target BS, and the target BS and source base station are same or different；And MEC entity sends first parameter to source base station.The embodiment of the present invention is applied in the scene of cell switching.

Description

A kind of cell determination method, equipment and system

Technical field

The present embodiments relate to field of communication technology more particularly to a kind of cell determination methods, equipment and system.

Background technique

With the high-speed mobile of user equipment (User Equipment, UE), UE may be between multiple cells frequently Switching.

Currently, switching in UE from source cell in long term evolution (Long Term Evolution, LTE) system in order to realize To after Target cell, UE, which can quickly access, provides the base station of service for the Target cell, and before UE switching, UE can root It (needs to measure including UE according to the measuring configuration message that the base station (hereinafter referred to as source base station) for providing service for the source cell is sent Parameter, cell list etc.), measure parameter (such as reference signal reception function of cell (serving cell and adjacent cell including UE) Rate), and obtain measurement result；Then after the measurement result is reported to source base station by UE, source base station can be according to the measurement result Determine the Target cell of UE switching, and by equipment of the core network to providing base station (the hereinafter referred to as mesh of service for the Target cell Mark base station) switching request is sent, so as to complete switching of the UE between different community.

But in the above method, if the idling-resource deficiency or target BS of target BS are unable to satisfy the service of UE Quality (Quality of Service, QoS) demand, then target BS may refuse the switching request of source base station transmission, So as to cause handover failure of the UE between different community.

Summary of the invention

The embodiment of the present invention provides a kind of cell determination method, equipment and system, to solve target BS because of its free time money Source is insufficient or is unable to satisfy the QoS demand of UE and refuses the switching request of source base station transmission, so as to cause UE different small The problem of handover failure between area.

In order to solve the above-mentioned technical problem, the embodiment of the present invention adopts the following technical scheme that

The embodiment of the present invention in a first aspect, providing a kind of cell determination method, which includes: mobile side Edge calculates (Mobile Edge Computing, MEC) entity and receives the first request message that source base station is sent, first request Message is for requesting the first parameter, which determines the to be switched Target cell of target UE for source base station, and the target is small Area provides service by target BS, and the target BS and source base station are same or different；And MEC entity is sent to source base station should First parameter.

The second aspect of the embodiment of the present invention provides a kind of cell determination method, which includes: source base station The first parameter is obtained, which determines the to be switched Target cell of target UE for source base station, and the Target cell is by target Base station provides service, and the target BS and source base station are same or different；And the measurement result of source base station acquisition target UE；With And source base station determines Target cell according to first parameter and the measurement result.

The third aspect of the embodiment of the present invention provides a kind of cell determination method, which includes: the first UE First state information is sent to MEC entity by source base station, which is used to indicate the current state of the first UE, should First state information determines the first parameter for MEC entity, which determines the to be switched mesh of target UE for source base station Cell is marked, target UE and the first UE are same or different, and Target cell provides service by target BS, the target BS and source base It stands same or different.

The fourth aspect of the embodiment of the present invention provides a kind of MEC entity, which includes receiving module and transmission mould Block.Wherein, receiving module, for receiving the first request message of source base station transmission, first request message is for requesting first Parameter, first parameter determine that the to be switched Target cell of target UE, the Target cell are provided by target BS for source base station Service, the target BS and source base station are same or different.Sending module, for being somebody's turn to do to source base station sending/receiving module is received First parameter.

5th aspect of the embodiment of the present invention, provides a kind of base station, which includes obtaining module and determining module.Its In, module is obtained, for obtaining the measurement result of the first parameter and target UE, which determines target UE for the base station To be switched Target cell, the Target cell provide service by target BS, and the target BS and the base station are same or different. Determining module, for determining Target cell according to first parameter and the measurement result that module obtains is obtained.

6th aspect of the embodiment of the present invention, provides a kind of UE, which includes sending module.Wherein, sending module is used for First state information is sent to MEC entity by source base station, which is used to indicate the current state of the UE, this One status information determines the first parameter for MEC entity, which determines the to be switched target of target UE for source base station Cell, target UE and the UE are same or different, and Target cell provides service by target BS, the target BS and source base station phase It is same or different.

7th aspect of the embodiment of the present invention, provides a kind of MEC entity, which includes processor, memory and deposit The computer program that can be run on the memory and on the processor is stored up, it is real when which is executed by the processor The step of showing the cell determination method in above-mentioned first aspect.

The eighth aspect of the embodiment of the present invention provides a kind of base station, which includes processor, memory and be stored in this On memory and the computer program that can run on the processor, the computer program are realized above-mentioned when being executed by the processor The step of cell determination method in second aspect.

9th aspect of the embodiment of the present invention, provides a kind of UE, which includes processor, memory and be stored in the storage On device and the computer program that can run on the processor, the computer program realize above-mentioned third when being executed by the processor The step of cell determination method in aspect.

Tenth aspect of the embodiment of the present invention, provides a kind of communication system, which includes in above-mentioned fourth aspect MEC entity, it is above-mentioned 5th aspect in base station and it is above-mentioned 6th aspect in UE.Alternatively, the communication system includes above-mentioned MEC entity in 7th aspect, the base station in above-mentioned eighth aspect and the UE in above-mentioned 9th aspect.

On the one hand the tenth of the embodiment of the present invention, provides a kind of computer readable storage medium, the computer-readable storage Computer program is stored on medium, the computer program realized when being executed by processor above-mentioned first aspect, second aspect or The step of cell determination method in the third aspect.

In embodiments of the present invention, MEC entity receive source base station transmission for requesting the first of the first parameter to ask After seeking message, MEC entity can send first parameter to source base station so that source base station can according to first parameter and The measurement result for the target UE that source base station obtains, determines the to be switched Target cell of target UE.With this solution, due to this first Parameter can be used for source base station and be determined to meet target UE from multiple base stations in the first network that MEC entity provides service The target BS of switching demand, therefore source base station is determining the to be switched Target cell of target UE (providing service by target BS) When, it can be insufficient to avoid the idling-resource due to target BS in conjunction with first parameter or target BS is unable to satisfy UE's QoS demand, caused by UE the problem of handover failure, cut between different community so as to improve UE between different community The success rate changed.

Detailed description of the invention

Fig. 1 is a kind of configuration diagram of communication system provided in an embodiment of the present invention；

Fig. 2 is a kind of one of schematic diagram of cell determination method provided in an embodiment of the present invention；

Fig. 3 is the two of a kind of schematic diagram of cell determination method provided in an embodiment of the present invention；

Fig. 4 is the three of a kind of schematic diagram of cell determination method provided in an embodiment of the present invention；

Fig. 5 is the four of a kind of schematic diagram of cell determination method provided in an embodiment of the present invention；

Fig. 6 is the five of a kind of schematic diagram of cell determination method provided in an embodiment of the present invention；

Fig. 7 is a kind of one of structural schematic diagram of MEC entity provided in an embodiment of the present invention；

Fig. 8 is a kind of second structural representation of MEC entity provided in an embodiment of the present invention；

Fig. 9 is a kind of one of structural schematic diagram of base station provided in an embodiment of the present invention；

Figure 10 is a kind of second structural representation of base station provided in an embodiment of the present invention；

Figure 11 is a kind of third structural representation of base station provided in an embodiment of the present invention；

Figure 12 is a kind of structural schematic diagram of UE provided in an embodiment of the present invention；

Figure 13 is a kind of hardware schematic of MEC entity provided in an embodiment of the present invention；

Figure 14 is a kind of hardware schematic of base station provided in an embodiment of the present invention；

Figure 15 is a kind of hardware schematic of UE provided in an embodiment of the present invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, shall fall within the protection scope of the present invention.

Term " first " and " second " in the specification and claims of the embodiment of the present invention etc. are for distinguishing not Same object, rather than it is used for the particular order of description object.For example, first state information and the second status information etc. are to be used for Different status informations is distinguished, rather than is used to describe the particular order of status information.In the description of the embodiment of the present invention, remove Non- to be otherwise noted, the meaning of " plurality " is refer to two or more.

The terms "and/or" is a kind of incidence relation for describing affiliated partner, indicates may exist three kinds of relationships, For example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.Symbol herein "/" indicates that affiliated partner is relationship such as A/B expression A or B perhaps.

In embodiments of the present invention, " illustrative " or " such as " etc. words for indicate make example, illustration or explanation.This Be described as in inventive embodiments " illustrative " or " such as " any embodiment or design scheme be not necessarily to be construed as comparing Other embodiments or design scheme more preferably or more advantage.Specifically, use " illustrative " or " such as " etc. words purport Related notion is being presented in specific ways.

The embodiment of the present invention provides a kind of cell determination method, equipment and system, and MEC entity is sent receiving source base station For requesting the first request message of the first parameter after, MEC entity can send first parameter to source base station so that The measurement result for the target UE that source base station can be obtained according to first parameter and source base station, determines the to be switched target of target UE Cell.With this solution, due to first parameter can be used for source base station from MEC entity provide service first network in it is more It is determined to meet the target BS of target UE switching demand in a base station, therefore source base station is determining the to be switched mesh of target UE It, can be insufficient to avoid the idling-resource due to target BS in conjunction with first parameter when marking cell (providing service by target BS) Or target BS is unable to satisfy the QoS demand of UE, caused by UE between different community the problem of handover failure, so as to To improve the success rate that UE switches between different community.

Cell determination method provided in an embodiment of the present invention and equipment, can be applied in communication system.It can specifically answer For being based on the communication system, UE is cut between different community (these different communities are in the coverage of the same MEC) When changing, during determining the to be switched Target cell of UE.

Illustratively, Fig. 1 shows a kind of configuration diagram of communication system provided in an embodiment of the present invention.Such as Fig. 1 institute Show, which may include UE 01, at least one base station 02 (being to illustrate in Fig. 1 by taking two base stations 02 as an example), MEC Entity 03 and equipment of the core network 04.Wherein, equipment of the core network 04 may include user face equipment 041 and control plane equipment 042.

As shown in Figure 1, control plane equipment 042 may include access and mobile management function (Access and Mobility Management Function, AMF) entity 0420 and conversation management functional (Session Management Function, SMF) entity 0421.

Wherein, it can establish connection between UE 01 and at least one base station 02；At least one base station 02 and MEC entity 03 Between can establish connection, the AMF entity 0420 that at least one base station 02 can pass through in N2 interface and control plane equipment 042 connects It connects；It can establish connection between MEC entity 03 and control plane equipment 042；User face equipment 041 can pass through N3 interface and MEC Entity 03 connects, and is connect with control plane equipment 042 by N4 interface (specifically, user face equipment 041 passes through N4 interface and control SMF entity 0421 in face equipment 042 processed connects)；AMF entity 0420 in control plane equipment 042 can by N11 interface with SMF entity 0421 in control plane equipment 042 connects.

UE 01 is a kind of equipment for providing a user voice and/or data connectivity, has wire/wireless linkage function Handheld device, or be connected to other processing equipments of radio modem.UE 01 can pass through wireless access network (Radio Access Network, RAN) is communicated with one or more equipments of the core network.UE 01 can be mobile terminal, Such as mobile phone (or be " honeycomb " phone) and the computer with mobile terminal, it is also possible to portable, pocket, hand-held Formula, built-in computer or vehicle-mounted mobile device, they exchange language and/or data with RAN, for example, personal communication industry Business (Personal Communication Service, PCS) phone, wireless phone, Session initiation Protocol (SIP) phone, nothing Line local loop (Wireless Local Loop, WLL) stands, personal digital assistant (Personal Digital Assistant, PDA) etc. equipment.UE is referred to as user agent (User Agent) or terminal device etc..

At least one base station 02 is a kind of disposes in the ran for providing the device of wireless communication function for UE.It base station can To include various forms of macro base stations, micro-base station, relay station, access point etc..It is being using different wireless access technologys In system, the title for having the equipment of base station functions may be different, for example, in 3G (Third Generation) Moblie (3G) network, Referred to as base station (Node B)；In LTE system, referred to as evolved base station (evolved NodeB, eNB or eNodeB)；The 5th In third-generation mobile communication (5G) network, referred to as gNB etc..Also, with the evolution of the communication technology, " base station " this title may It changes.

MEC entity 03 can be deployed in close to the position of at least one 02 side of base station, can also be deployed at least one base It stands 02 side.MEC entity 03 may include layers of physical devices, application platform management level and application layer.MEC entity 03 can receive base Stand and/or other equipment send message and data, and to received message and data carry out calculate and analysis handle.

User face equipment 041 may include user plane functions (User Plane Function, UPF) entity.

With reference to the accompanying drawing, by specific embodiment and its application scenarios to a kind of cell provided in an embodiment of the present invention Determine that method and apparatus is described in detail.

Based on communication system as shown in Figure 1, the embodiment of the present invention provides a kind of cell determination method, as shown in Fig. 2, should Cell determination method may include following step 201- step 210.

Step 201, source base station send the first request message to MEC entity.

In the embodiment of the present invention, above-mentioned first request message can be used for source base station to the first parameter of MEC entity requests.It should First parameter can be used for source base station and determine the to be switched Target cell of target UE.The Target cell provides clothes by target BS Business, the target BS may be the same or different with source base station.

It should be noted that in the embodiment of the present invention, whether the first parameter can be used for source base station and determines target UE from source Cell (source cell provides service by source base station) is switched to Target cell.Determine that target UE can switch from source cell in source base station In the case where Target cell, target BS is different from source base station；Determine that target UE is not necessarily to be switched to from source cell in source base station In the case where Target cell, target BS is identical as source base station.

Optionally, in the embodiment of the present invention, above-mentioned source base station may belong to the service area of the same MEC with target BS Domain.For example, source base station is identical as the MEC mark of the coverage of the MEC where target BS.

It should be noted that MEC entity can be MEC server in the embodiment of the present invention.

Step 202, MEC entity receive the first request message that source base station is sent.

Step 203, MEC entity send the first parameter to source base station.

Step 204, source base station receive the first parameter that MEC entity is sent.

The method etc. for obtaining the first parameter for the first parameter and MEC entity will carry out in the following embodiments in detail Description, it will not go into details herein.

Step 205, source base station send measuring configuration message to target UE.

Optionally, in the embodiment of the present invention, source base station can send radio resource control layer (Radio to target UE Resource Control, RRC) connection reconfiguration sets order, and which sets carrying measuring configuration message in order, should Measuring configuration message can indicate that target UE is measured, such as instruction target UE measures the serving cell of target UE and the letter of adjacent cell Number quality etc..

It optionally, may include cell list and the second parameter in above-mentioned measuring configuration message in the embodiment of the present invention.It should It include the mark for multiple cells that target UE needs to measure in cell list, a mark is used to indicate a cell, multiple Cell may include serving cell and the adjacent area of target UE.Second parameter may include the parameter that target UE needs to measure, example Such as Reference Signal Received Power (Reference Signal Receiving Power, RSRP) etc..

Step 206, target UE receive the measuring configuration message that source base station is sent.

Step 207, target UE measure the second parameter of multiple cells, according to measuring configuration message to obtain measurement result.

It should be noted that target UE measures the second parameter in above-mentioned steps 207, in the embodiment of the present invention to obtain mesh The method for marking the measurement result of UE is similar with the measurement method of existing UE, can refer to existing the relevant technologies, and the present invention is implemented Details are not described herein for example.

Step 208, target UE send measurement result to source base station.

Step 209, source base station receive the measurement result that target UE is sent.

It should be noted that in the embodiment of the present invention, step 201- step 204 and step 205- step 209 are not limited Execute sequence.Specifically, in the first implementation, step 201- step 204 can be first carried out, then execute step 205- step Rapid 209；I.e. source base station can first obtain the first parameter, then obtain the measurement result of target UE.In the second implementation, may be used To first carry out step 205- step 209, then execute step 201- step 204；I.e. source base station can first obtain the measurement of target UE As a result, obtaining the first parameter again.In the third implementation, step 201- step 204 and step 205- may be performed simultaneously Step 209；I.e. source base station can obtain the measurement result of the first parameter and target UE simultaneously.

In the embodiment of the present invention, in the first above-mentioned implementation, since the first parameter that source base station obtains can be used for Characterize the state (the specially state of each base station in the network) that MEC entity provides the first network of service, therefore, source base station After obtaining the first parameter, a part of base station can be filtered out from the network according to first parameter, then pass through again to Target UE sends measuring configuration message, to indicate that target UE measures the second parameter that this portion of base stations provides the cell of service；Such as This, provides the cell of service since target UE is not necessarily to measure all base stations in the network, when can reduce target UE measurement Expense.

Step 210, source base station determine Target cell according to the first parameter and measurement result.

In the embodiment of the present invention, source base station can by judging whether the first parameter and measurement result meet switching condition, To determine whether target UE can switch, and when determining that target UE can switch, determined in conjunction with the first parameter and measurement result Target UE to be switched Target cell.Specifically, source base station determines mesh if the first parameter and measurement result meet switching condition Mark UE can switch, and the first parameter and measurement result is combined to determine the to be switched Target cell of target UE；If the first parameter and Measurement result is unsatisfactory for switching condition, then source base station determines target UE without switching, i.e. target UE is still resided in source cell.

First parameter, measurement result and switching condition etc. will be described in detail in the following embodiments, this It will not go into details at place.

The embodiment of the present invention provides a kind of cell determination method, MEC entity receive source base station transmission for requesting After first request message of the first parameter, MEC entity can send first parameter to source base station, so that source base station can be with According to the measurement result for the target UE that first parameter and source base station obtain, the to be switched Target cell of target UE is determined.Pass through The program, since first parameter can be used for source base station from multiple base stations in the first network that MEC entity provides service It is determined to meet the target BS of target UE switching demand, therefore source base station is determining the to be switched Target cell of target UE It, can be to avoid the idling-resource deficiency or mesh due to target BS in conjunction with first parameter when (providing service by target BS) Mark base station is unable to satisfy the QoS demand of UE, caused by UE between different community the problem of handover failure, so as to improve The success rate that UE switches between different community.

Optionally, in the embodiment of the present invention, in conjunction with Fig. 2, as shown in figure 3, the present invention is implemented before above-mentioned steps 202 The cell determination method that example provides can also include the steps that following 301 and step 302.

Step 301, MEC entity obtain first state information and the second status information.

In the embodiment of the present invention, above-mentioned first state information can serve to indicate that the current state of target UE, above-mentioned second Status information can serve to indicate that the state of first network, which provides service by MEC entity.

Optionally, in the embodiment of the present invention, the method that MEC entity obtains first state information in above-mentioned steps 301 can be with It is realized by following step S1- step S3.

Step S1, MEC entity receives the first state information that target UE is sent by source base station.

Optionally, in the embodiment of the present invention, above-mentioned steps S1 specifically can be real by following step S10- step S12 It is existing.

Step S10, target UE sends first state information to source base station.

In the embodiment of the present invention, each UE (such as the first UE) accessed in all UE of first network can be sent out to source base station Give the first state information of the UE.It is appreciated that target UE is a UE in all UE.That is target UE and the first UE It may be the same or different.

It should be noted that being to access in all UE of first network in above-mentioned steps S10 in the embodiment of the present invention A UE (such as target UE) and source base station between interaction be illustrated, other UE are (in all UE of access first network UE in addition to target UE) it is similar with the interaction between the interaction between source base station and target UE and source base station, the present invention is implemented Details are not described herein for example.

Step S11, source base station receives the first state information that target UE is sent.

Step S12, source base station sends first state information to MEC entity.

Optionally, in the embodiment of the present invention, above-mentioned first state information may include the current movement speed of target UE, mesh Between position, target UE and source base station that mark UE is presently in the current business demand of current link-quality and target UE extremely One item missing.

Optionally, in the embodiment of the present invention, above-mentioned second status information may include the load of multiple base stations, multiple base stations Radio link quality and multiple base stations transmission power at least one of, multiple base stations be first network in base station.

Optionally, in the embodiment of the present invention, above-mentioned multiple base stations can be all base stations in first network.

Optionally, in the embodiment of the present invention, MEC entity obtains the specific method of the second status information in above-mentioned steps 301 It can be realized by following step S2.

Step S2, MEC entity receives the network side information of the transmission of each base station in multiple base stations, to obtain the second state Information.

In the embodiment of the present invention, the network side information that a base station is sent may include the load of the base station, the base station At least one of in radio link quality and the transmission power of the base station.MEC entity can believe the multiple network sides received Breath (the network side information that i.e. multiple base stations are sent) is used as the second status information.

Illustratively, it is assumed that above-mentioned multiple base stations include 3 base stations, respectively base station 1, base station 2 and base station 3.MEC entity It can receive the network side information 1 (such as load of base station 1) of the transmission of base station 1, (such as base station 2 of network side information 2 that base station 2 is sent Load, the radio link quality of base station 2 and the transmission power of base station 2) and base station 3 send 3 (such as base of network side information Stand 3 load and the radio link quality of base station 3), to obtain the second status information, (i.e. second status information includes network side Information 1, network side information 2 and network side information 3).

Step 302, MEC entity obtain the first parameter according to first state information and the second status information.

Optionally, in a kind of possible implementation of the embodiment of the present invention, above-mentioned first state information can be mesh The current movement speed of UE is marked, the second status information can be the load of multiple base stations, and the first parameter can be slow for multiple switchings Stagnant boundary (Handover Hysteresis Margin, HHM) adjusts surplus.

Optionally, in the embodiment of the present invention, in conjunction with a kind of above-mentioned possible implementation, above-mentioned steps 302 specifically can be with It is realized by following step 302a and step 302b.

Step 302a, the MEC entity movement speed current to target UE normalizes to obtain normalization movement speed.

Illustratively, it is assumed that target UE current movement speed is v1.The MEC entity movement speed v1 current to target UE After normalized, available normalization movement speedv_maxFor the shifting of all UE of access source base station Maximum movement speed in dynamic speed.

Step 302b, for the load of each base station in the load of multiple base stations, MEC entity executes following step S3 and step Rapid S4, to obtain multiple HHM adjustment surpluses.

Step S3, MEC entity normalizes the load of a base station to obtain a normalization load of base station.

Optionally, in the embodiment of the present invention, the load of a base station may include that the base station provides all cells of service In the ratio of the sum of the bandwidth resources that occupy of all UE between the total bandwidth resource of the base station.

It should be noted that a normalization load of base station can be understood as the negative of a base station in the embodiment of the present invention Carry the difference between the load of source base station.

It is appreciated that the load for each base station in the load of multiple base stations, MEC entity can in the embodiment of the present invention It normalizes to obtain a normalization load of base station with the load to a base station, to obtain multiple normalization load of base station.

Step S4, MEC entity is according to normalization movement speed and a normalization load of base station, using the first formula, meter Calculation obtains a HHM adjustment surplus.

It is appreciated that the HHM adjustment surplus that MEC entity obtains is corresponding with a base station.For example, MEC entity according to The load of base station 1 obtains a normalization load of base station 1, and obtains HHM adjustment surplus 1 according to normalization load of base station 1, should It is that HHM corresponding with base station 1 adjusts surplus that HHM, which adjusts surplus 1,.

Optionally, in the embodiment of the present invention, above-mentioned first formula can be Δ HHM=α × F (L, v2)；Δ HHM is HHM Surplus is adjusted, α is HHM Dynamic gene (α is the preset maximum HHM of source base station and the difference of default HHM), and L is a normalization Load of base station, F (L, v2) are the HHM tune that MEC entity is generated according to normalization movement speed v2 and a normalization load of base station L Integral coefficient.

Illustratively, it is assumed that normalization movement speed is v2, the loads of multiple base stations be the load of base station 1, base station 2 it is negative Carry the load with base station 3.MEC entity normalizes to obtain normalization load of base station to be L1 to the load of base station 1, to the negative of base station 2 Carrying normalization and obtaining normalization load of base station is L2, and normalizes to obtain normalization load of base station to be L3 to the load of base station 3； MEC entity is according to normalization movement speed v2 and normalization load of base station L1, and using the first formula, it is right with base station 1 to be calculated The Δ HHM1=α × F (L1, v2) answered, according to normalization movement speed v2 and normalization load of base station L2, using the first formula, Δ HHM2=α × F (L2, v2) corresponding with base station 2 is calculated, and according to normalization movement speed v2 and normalization base station It loads L3 and Δ HHM3=α × F (L3, v2) corresponding with base station 3 is calculated using the first formula, in this way, MEC entity can be with Obtain 3 HHM adjustment surplus (i.e. Δ HHM1, Δ HHM2 and Δ HHM3).

In the embodiment of the present invention, above-mentioned first parameter be by MEC entity combination first state information and the second status information, It is determined to meet the parameter of target UE switching demand；After first parameter is sent to source base station by MEC entity, source base station can Target cell is determined in conjunction with the first parameter.

Illustratively, it is assumed that base station 1 is source base station.MEC entity obtain the second status information include base station 1 load and The load of base station 2, MEC entity judge that the load of base station 2 is greater than the load of base station 1, and MEC entity can be turned up corresponding with base station 2 HHM adjust surplus, HHM corresponding with the base station 2 adjustment surplus after the height-regulating is determined as the first parameter by MEC entity, this One parameter be meet target UE switching demand parameter (can to avoid base station 2 because bandwidth resources deficiency due to lead to handover failure Parameter)；MEC entity judges that the load of base station 2 is less than the load of base station 1, and MEC entity can turn down HHM tune corresponding with base station 2 HHM corresponding with the base station 2 adjustment surplus after turning down is determined as the first parameter by whole surplus, MEC entity, which is Meet the parameter of target UE switching demand.

It should be noted that in the embodiment of the present invention, it, can be using column after MEC entity obtains multiple HHM adjustment surpluses The mode of table saves multiple HHM adjustment surpluses.

Optionally, in the embodiment of the present invention, above-mentioned first parameter can adjust surplus for multiple HHM.In conjunction with Fig. 2, such as Fig. 4 Shown, above-mentioned steps 210 can specifically be realized by following step 210a.

Step 210a, source base station adjusts surplus and measurement result according to multiple HHM, determines Target cell.

Optionally, in the embodiment of the present invention, above-mentioned switching condition can be RSRP_T-RSRP_S> HHM_T+ΔHHM；RSRP_T For the Reference Signal Received Power of a cell in multiple cells, RSRP_SFor the Reference Signal Received Power of source cell, HHM_T To default HHM.

Illustratively, it is assumed that the first parameter is that 3 HHM adjust surplus (i.e. above-mentioned Δ HHM1, Δ HHM2 and Δ HHM3), The Reference Signal Received Power of source cell is RSRP_S, cell 1 (by base station 1 provide service) Reference Signal Received Power be RSRP₁, the Reference Signal Received Power of cell 2 (providing service by base station 2) is RSRP₂, cell 3 (providing service by base station 3) Reference Signal Received Power is RSRP₃.Source base station may determine that RSRP₁-RSRP_SWith HHM_TThe size relation of+Δ HHM1, if RSRP₁-RSRP_S> HHM_T+ Δ HHM1, then cell 1 is determined as Target cell by source base station；Source base station may determine that RSRP₂- RSRP_SWith HHM_TThe size relation of+Δ HHM2, if RSRP₂-RSRP_S> HHM_T+ Δ HHM2, then cell 2 is determined as mesh by source base station Mark cell；Source base station may determine that RSRP₃-RSRP_SWith HHM_TThe size relation of+Δ HHM3, if RSRP₃-RSRP_S> HHM_T+Δ HHM3, then cell 3 is determined as Target cell by source base station.

It is appreciated that in the embodiment of the present invention, if source base station determines that multiple alternative cells are all satisfied switching condition, Source base station can randomly choose an alternative cell from multiple alternative cell and be determined as the to be switched Target cell of target UE, Or the maximum alternative cell of difference in multiple alternative cell between the RSRP of source cell can be determined as by source base station Target UE to be switched Target cell.It can specifically be determined according to actual use demand, the embodiment of the present invention is not construed as limiting.

In the embodiment of the present invention, since the first parameter is by MEC entity according to first state information and the second status information Determining, and first state information can serve to indicate that the current state of target UE, the second status information can serve to indicate that MEC Entity provides the state of the first network of service, therefore the first parameter can be used for characterizing the shape of multiple base stations in first network State, then first parameter can be used for the target base that source base station is determined to meet from multiple base station target UE switching demand It stands；In this way, source base station is when determining the to be switched Target cell of target UE (providing service by target BS), in conjunction with first ginseng Number can or target BS insufficient to avoid the idling-resource due to target BS be unable to satisfy the QoS demand of UE, caused by UE is between different community the problem of handover failure, so as to improve the success rate that UE switches between different community.

Optionally, in the first possible implementation of the embodiment of the present invention, in conjunction with Fig. 2, as shown in figure 5, upper After stating step 210, cell determination method provided in an embodiment of the present invention can also include the steps that following 401- steps 407.

Step 401, MEC entity send switching request message to AMF entity.

In the embodiment of the present invention, above-mentioned switching request message can be used for requesting target UE switching to target from source cell Cell, source cell provide service by source base station, include first identifier in switching request message, which is used to indicate target Base station.

Optionally, in the embodiment of the present invention, MEC entity can send switching request message to AMF entity by N2 interface.

Optionally, in the embodiment of the present invention, which can also be sent from source base station to AMF entity.Specifically , source base station may refer to existing the relevant technologies to the method that AMF entity sends switching request message, and the embodiment of the present invention exists It will not go into details for this.

Step 402, AMF entity receive switching request message, and send the switching request message to target BS.

In the embodiment of the present invention, AMF entity can determine target base according to the first identifier for including in switching request message It stands, and the switching request message is sent to the target BS.

Step 403, target BS receive switching request message.

Step 404, target BS send switch acknowledgment message to AMF entity.

In the embodiment of the present invention, after target BS receives the switching request message that AMF entity is sent, it can be cut according to this It changes request message and determines whether target UE access, and allow the rear of target UE access to send switching to AMF entity determining Confirmation message.

Step 405, AMF entity receive switch acknowledgment message, and send switching command to source base station.

Step 406, source base station receive switching command, and send the switching command to target UE.

Step 407, target UE receive switching command, and switch to Target cell from source cell according to switching command.

It should be noted that in the embodiment of the present invention, AMF entity receive target BS transmission switch acknowledgment message it Afterwards, AMF entity can send switching command to source base station, so that the switching command is sent to target UE by source base station, thus So that target UE is switched over according to the switching command, i.e., target UE switches to Target cell from source cell.

It should be noted that in actual handover process, switching command is sent to mesh by source base station in the embodiment of the present invention After marking UE, the handoff procedure of target UE, the switching can be completed jointly by source base station, target UE, target BS and AMF entity Process is similar with existing handoff procedure, can refer to existing the relevant technologies, it will not be described here for the embodiment of the present invention.

Optionally, in second of possible implementation of the embodiment of the present invention, in the coverage of the same MEC In (such as first network), switching request message can also be sent directly to target BS by MEC entity, in conjunction with Fig. 2, such as Fig. 6 institute Show, after above-mentioned steps 210, cell determination method provided in an embodiment of the present invention can also include the steps that following 501- steps Rapid 504 and step 404- step 407.

Step 501, source base station send switching request message to MEC entity.

It include first identifier in above-mentioned switching request message in the embodiment of the present invention, which is used to indicate target Base station, the first identifier send switching request message to target BS for MEC entity.

Step 502, MEC entity receive the switching request message that source base station is sent.

Step 503, MEC entity send switching request message to target BS according to first identifier.

Step 504, target BS receive switching request message.

Step 404, target BS send switch acknowledgment message to AMF entity.

Optionally, in second of possible implementation of the embodiment of the present invention, switching command can from MEC entity to Target UE is sent.In addition, MEC entity is after being sent to target UE for switching command, can from MEC entity or source base station to AMF entity sends a signaling, to indicate the state (position of the UE after such as switching) of the UE after switching to AMF entity.

In the embodiment of the present invention, since MEC entity directly can send switching request message to target BS, without elder generation Switching request message is sent to AMF entity, then the switching request message is sent to target BS by AMF entity, therefore can To reduce the time delay and expense that send switching request message.Also, due to MEC entity by switching command be sent to target UE it Afterwards, a signaling can be sent from MEC entity or source base station to AMF entity, thus can in order to AMF entity to switching after The state of UE is managed.

It should be noted that above method embodiment is with target UE in by the same MEC in the embodiment of the present invention Illustratively illustrated for handoff procedure between two cells of entity offer service, for UE in by difference MEC entity provides the handoff procedure between two cells of service, provides the signaling between the base station of service for two cells Interactive process can be realized by using the Signalling exchange between base station in existing technology；Data between different MEC entities Interaction can be by source MEC entity (the MEC entities of locating network offering services before as target UE switching) by data forwarding Cached to UPF entity, then again by UPF entity send the data to target MEC entity (as target UE switching after institute The MEC entity of the network offering services at place), in this way, two of service can be being provided by different MEC entities realizing target UE On the basis of switching between cell, it is ensured that the continuity of the business of target UE.

As shown in fig. 7, the embodiment of the present invention provides a kind of MEC entity 700, which may include receiving module 701 and sending module 702.

Wherein, receiving module 701, for receiving the first request message of source base station transmission, which is used for The first parameter is requested, which determines the to be switched Target cell of target UE for source base station, and the Target cell is by target Base station provides service, and the target BS and source base station are same or different.Sending module 702, for being transmitted and received to source base station Received first parameter of module 701.

Optionally, in conjunction with Fig. 7, as shown in figure 8, the MEC entity 700 in the embodiment of the present invention can also include obtaining module 703.Wherein, module 703 is obtained, for obtaining the before the first request message that receiving module 701 receives that source base station is sent One status information and the second status information, and according to the first state information and second status information, the first parameter is obtained, it should First state information is used to indicate the current state of target UE, which is used to indicate the state of first network, the One network provides service by MEC entity.

Optionally, in the embodiment of the present invention, above-mentioned first state information may include the current movement speed of target UE, mesh Between position, target UE and source base station that mark UE is presently in the current business demand of current link-quality and target UE extremely One item missing.Above-mentioned second status information may include the load of multiple base stations, the radio link quality of multiple base stations and multiple bases At least one of in the transmission power stood；Wherein, multiple base stations are the base station in first network.

Optionally, in the embodiment of the present invention, module 703 is obtained, is sent out specifically for each base station received in multiple base stations The network side information sent, to obtain the second status information.

Optionally, in the embodiment of the present invention, the movement speed that above-mentioned first state information can be current for target UE is above-mentioned Second status information can be the load of multiple base stations, and above-mentioned first parameter can adjust surplus for multiple HHM.Obtain module 703, it normalizes to obtain normalization movement speed specifically for the movement speed current to target UE；And for multiple base stations The load of each base station, is performed both by following step in load, to obtain multiple HHM adjustment surpluses: returning to the load of a base station One change obtains a normalization load of base station；And according to normalization movement speed and this normalization load of base station, using the A HHM adjustment surplus is calculated in one formula.

Optionally, in the embodiment of the present invention, sending module 702 is also used to after sending the first parameter to source base station, to AMF entity sends switching request message, which switches to Target cell from source cell for target UE for requesting, The source cell provides service by source base station, includes first identifier in the switching request message, which is used to indicate target Base station.

Optionally, in the embodiment of the present invention, receiving module 701 is also used to send first to source base station in sending module 702 After parameter, the switching request message that source base station is sent is received, the switching request message is for requesting target UE from source cell Target cell is switched to, source cell provides service by source base station, includes first identifier, the first identifier in the switching request message It is used to indicate target BS.Sending module 702 is also used to according to the received first identifier of receiving module 701, to target BS Send the switching request message.

MEC entity provided in an embodiment of the present invention can be realized each mistake that MEC entity is realized in above method embodiment Journey, to avoid repeating, which is not described herein again.

The embodiment of the present invention provides a kind of MEC entity, and MEC entity is receiving joining for request first for source base station transmission After the first several request messages, MEC entity can send first parameter to source base station, so that source base station can be according to this The measurement result for the target UE that first parameter and source base station obtain, determines the to be switched Target cell of target UE.With this solution, Due to first parameter can be used for source base station from MEC entity provide service first network in multiple base stations in be determined to Meet the target BS of target UE switching demand, therefore source base station is determining the to be switched Target cell of target UE (by target base Stand offer service) when, in conjunction with first parameter can to avoid the idling-resource due to target BS insufficient or target BS without Method meets the QoS demand of UE, caused by UE between different community the problem of handover failure, so as to improve UE in difference The success rate switched between cell.

As shown in figure 9, the embodiment of the present invention provides a kind of base station 900, which includes obtaining module 901 and determining Module 902.

Wherein, module 901 is obtained, for obtaining the measurement result of the first parameter and target UE, first parameter is for being somebody's turn to do Base station determines that the to be switched Target cell of target UE, the Target cell provide service by target BS, the target BS and base station It is same or different.Determining module 902, for determining according to first parameter and the measurement result that module 901 obtains is obtained Target cell.

Optionally, in the embodiment of the present invention, module 901 is obtained, is specifically used for sending the first request message to MEC entity, And the first parameter of MEC entity transmission is received, which is used for MEC entity requests first parameter.

Optionally, in conjunction with Fig. 9, as shown in Figure 10, the base station 900 in the embodiment of the present invention can also include sending module 903 and receiving module 904.Wherein, receiving module 904, for obtaining module 901 to MEC entity the first request message of transmission Before, the first state information that target UE is sent is received, which is used to indicate the current state of target UE.It sends Module 903, for the received first state information of MEC entity sending/receiving module 904, which to be used for MEC entity determines the first parameter.

Optionally, in the embodiment of the present invention, above-mentioned first state information may include the current movement speed of target UE, mesh Between position, target UE and the base station that mark UE is presently in the current business demand of current link-quality and target UE extremely One item missing.

Optionally, in the embodiment of the present invention, above-mentioned first parameter can adjust surplus for multiple HHM.Determining module 902, Specifically for adjusting the measurement result of surplus and target UE according to multiple HHM, Target cell is determined.

Optionally, in conjunction with Fig. 9, as shown in figure 11, the base station 900 in the embodiment of the present invention can also include sending module 903.Sending module 903, for sending switching request message to MEC entity after determining module 902 determines Target cell, Target UE is switched to Target cell from source cell for requesting by the switching request message, which provides clothes by the base station It is engaged in, includes first identifier in the switching request message, which is used to indicate target BS, which is used for MEC Entity sends the switching request message to target BS.

Base station provided in an embodiment of the present invention can be realized each process that source base station is realized in above method embodiment, be It avoids repeating, which is not described herein again.

The embodiment of the present invention provides a kind of base station, and source base station can receive the first parameter of MEC entity transmission, and according to this The measurement result of first parameter and the target UE of acquisition determines the to be switched Target cell of target UE.With this solution, due to this First parameter can be used for source base station and be determined to meet mesh from multiple base stations in the first network that MEC entity provides service The target BS of UE switching demand is marked, therefore source base station is determining that the to be switched Target cell of target UE (provides by target BS Service) when, it can be insufficient to avoid the idling-resource due to target BS in conjunction with first parameter or target BS is unable to satisfy The QoS demand of UE, caused by UE between different community the problem of handover failure, so as to improve UE different community it Between the success rate that switches.

As shown in figure 12, the embodiment of the present invention provides a kind of UE 1200, which may include sending module 1201.

Wherein, sending module 1201, for sending first state information, the first state to MEC entity by source base station Information is used to indicate the current state of the UE, which determines the first parameter for MEC entity, which uses The to be switched Target cell of target UE is determined in source base station, and target UE and the UE are same or different, and Target cell is by target base It stands offer service, the target BS and source base station are same or different.

Optionally, in the embodiment of the present invention, above-mentioned first state information may include the current movement speed of the UE, the UE Between the position, the UE and the source base station that are presently in the current business demand of current link-quality and the UE at least one of.

UE provided in an embodiment of the present invention can be realized UE in above method embodiment (including target UE, the first UE and Other UE) realize each process, to avoid repeating, which is not described herein again.

The embodiment of the present invention provides a kind of UE, and target UE can send first state information to MEC entity by source base station, So that MEC entity determines the first parameter according to first state information, then MEC entity sends the first parameter to source base station, with The measurement result for the target UE that source base station is obtained according to first parameter and source base station, determines that target UE is to be switched Target cell.With this solution, since first parameter can be used for source base station from the first network that MEC entity provides service Multiple base stations in be determined to meet the target BS of target UE switching demand, therefore source base station is determining that target UE is to be switched Target cell (providing service by target BS) when, can be to avoid the idling-resource due to target BS in conjunction with first parameter Insufficient or target BS is unable to satisfy the QoS demand of UE, caused by UE between different community the problem of handover failure, from And the success rate that UE switches between different community can be improved.

Figure 13 shows a kind of hardware schematic of MEC entity provided in an embodiment of the present invention.As shown in figure 13, the MEC Entity 130 includes but is not limited to: at least one processor 131, memory 132, user interface 133 and at least one network interface 134.Various components in MEC entity 130 are coupled by bus system 135.

It should be noted that it will be understood by those skilled in the art that the structure of MEC entity shown in Figure 13 is not constituted Restriction to MEC entity, MEC entity may include or the certain components of combination than more or fewer components shown in Figure 13, or The different component layout of person.

Wherein, at least one processor 131, can be used for receiving the first request message of source base station transmission, this first is asked Ask message for request the first parameter, first parameter be used for source base station determine the to be switched Target cell of target UE, the target Cell provides service by target BS, and the target BS and source base station are same or different；And first ginseng is sent to source base station Number.

It is understood that bus system 135 is for realizing the connection communication between these components.Bus system 135 is removed It further include power bus, control bus and status signal bus in addition except data/address bus.But for the sake of clear explanation, Various buses are all designated as bus system 135 in Figure 13.

Wherein, user interface 133 may include display, keyboard or pointing device (for example, mouse, trace ball, sense of touch Plate or touch screen etc..

It is understood that the memory 132 in the embodiment of the present invention can be volatile memory or non-volatile deposit Reservoir, or may include both volatile and non-volatile memories.Wherein, nonvolatile memory can be read-only memory (Read-Only Memory, abbreviation ROM), programmable read only memory (Programmable ROM, PROM) erasable are compiled Journey read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.Volatile memory can be random access memory (Random Access Memory, letter Claim RAM), it is used as External Cache.By exemplary but be not restricted explanation, the RAM of many forms is available such as quiet State random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronize it is dynamic State random access memory (Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate SDRAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links dynamic random access memory (Synch link DRAM, SLDRAM) and direct memory it is total Line random access memory (Direct Rambus RAM, DRRAM).The memory 132 of description of the embodiment of the present invention is intended to include But it is not limited to the memory of these and any other suitable type.

In some embodiments, memory 132 stores following element, executable modules or data structures, or Their subset of person or their superset: operating system 1321 and application program 1322.

Wherein, operating system 1321 include various system programs, such as ccf layer, core library layer, driving layer etc., are used for Realize various basic businesses and the hardware based task of processing.Application program 1322 includes various application programs, such as media Player, browser etc., for realizing various applied business.Realize that the program of present invention method may be embodied in application In program 1322.

In the embodiment of the present invention, MEC entity 130 can also include being stored on memory 132 and can be on processor 131 The computer program of operation, the computer program realize the step of method provided in an embodiment of the present invention when being executed by processor 131 Suddenly.

The method that the embodiments of the present invention disclose can be applied in processor 131, or be realized by processor 131. Processor 131 may be a kind of IC chip, the processing capacity with signal.During realization, the above method it is each Step can be completed by the integrated logic circuit of the hardware in processor 131 or the instruction of software form.Above-mentioned processing Device 131 can be general processor, digital signal processor (Digital Signal Processor, DSP), dedicated integrated electricity Road (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic, Discrete hardware components.It may be implemented or execute disclosed each method, step and the logic diagram in the embodiment of the present invention.It is general Processor can be microprocessor or the processor is also possible to any conventional processor etc..In conjunction with institute of the embodiment of the present invention The step of disclosed method, can be embodied directly in hardware decoding processor and execute completion, or with the hardware in decoding processor And software module combination executes completion.Software module can be located at random access memory, and flash memory, read-only memory may be programmed read-only In the computer readable storage medium of this fields such as memory or electrically erasable programmable memory, register maturation.The meter Calculation machine readable storage medium storing program for executing is located at memory 132, and processor 131 reads the information in memory 132, completes in conjunction with its hardware The step of stating method.Specifically, it is stored with computer program on the computer readable storage medium, computer program is by processor 131 realize each step such as embodiment of the method provided in an embodiment of the present invention when executing.

It is understood that the embodiment of the present invention description these embodiments can with hardware, software, firmware, middleware, Microcode or combinations thereof is realized.For hardware realization, processing unit be may be implemented in one or more ASIC, DSP, digital signal Processing equipment (DSP Device, DSPD), programmable logic device (Programmable Logic Device, PLD), FPGA, General processor, controller, microcontroller, microprocessor, other electronic units for executing function of the present invention or its In combination.

For software implementations, can by execute the embodiment of the present invention described in function module (such as process, function etc.) come Realize technology described in the embodiment of the present invention.Software code is storable in memory and is executed by processor.Memory can With portion realizes in the processor or outside the processor.

Optionally, the embodiment of the present invention also provides a kind of MEC entity, including processor 131 as shown in fig. 13 that, memory 132, it is stored in the computer program that can be run on memory 132 and on the processor 131, which is located It manages when device 131 executes and realizes each process of above method embodiment, and identical technical effect can be reached, to avoid repeating, Which is not described herein again.

The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on the computer readable storage medium Calculation machine program realizes each mistake of above method embodiment when the computer program is executed by processor 131 as shown in fig. 13 that Journey, and identical technical effect can be reached, to avoid repeating, which is not described herein again.Wherein, the computer-readable storage medium Matter, such as ROM, RAM, magnetic or disk.

Figure 14 shows a kind of hardware schematic of base station provided in an embodiment of the present invention.As shown in figure 14, base station 140 is wrapped It includes: processor 141, transceiver 142, memory 143, user interface 144 and bus interface.

Processor 141, for obtaining the first parameter, which determines the to be switched target of target UE for source base station Cell, the Target cell provide service by target BS, and the target BS and source base station are same or different；And obtain target UE Measurement result；And according to first parameter and the measurement result, determine Target cell.

Wherein, processor 141, which can be responsible for management bus architecture and common processing, processor 141, can be used for reading With the program in execution memory 143 to realize processing function and the control to base station 140.Memory 143 can store place Manage the used data when executing operation of device 141.Processor 141 and memory 143, which can be, to be integrated, can also be with It is independently arranged.

In the embodiment of the present invention, base station 140 can also include: to be stored on memory 143 and can transport on processor 141 The step of capable computer program, which realizes method provided in an embodiment of the present invention when being executed by processor 141.

In Figure 14, bus architecture may include the bus and bridge of any number of interconnection, specifically be represented by processor 141 One or more processors and the various circuits of memory that represent of memory 143 link together.Bus architecture can be with Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like are linked together, these are all these Well known to field, therefore, the embodiment of the present invention is no longer described further it.Bus interface provides interface.Transceiver 142 can be multiple element, that is, include transmitter and receiver, provide for communicating over a transmission medium with various other devices Unit.For different UE, user interface 144, which can also be, external the interface for needing equipment, the equipment of connection is inscribed Including but not limited to keypad, display, loudspeaker, microphone, control stick etc..

Figure 15 shows the hardware schematic of UE provided in an embodiment of the present invention a kind of.As shown in figure 15, which wraps It includes but is not limited to: radio frequency unit 151, network module 152, audio output unit 153, input unit 154, sensor 155, display The components such as unit 156, user input unit 157, interface unit 158, memory 159, processor 160 and power supply 161.

It should be noted that it will be understood by those skilled in the art that UE structure shown in Figure 15 is not constituted to UE's It limits, UE may include perhaps combining certain components or different component cloth than more or fewer components shown in Figure 15 It sets.Illustratively, in embodiments of the present invention, UE include but is not limited to mobile phone, tablet computer, laptop, palm PC, Car-mounted terminal, wearable device and pedometer etc..

Wherein, processor 160, for sending first state information, the first state information to MEC entity by source base station It is used to indicate the current state of the first UE, which determines the first parameter for MEC entity, which is used for Source base station determines the to be switched Target cell of target UE, and target UE and the first UE are same or different, and Target cell is by target base It stands offer service, the target BS and source base station are same or different.

It should be understood that the embodiment of the present invention in, radio frequency unit 151 can be used for receiving and sending messages or communication process in, signal Send and receive, specifically, by from base station downlink data receive after, to processor 160 handle；In addition, by uplink Data are sent to base station.In general, radio frequency unit 151 includes but is not limited to antenna, at least one amplifier, transceiver, coupling Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 151 can also by wireless communication system and network and other set Standby communication.

UE provides wireless broadband internet by network module 152 for user and accesses, and such as helps user's transceiver electronics Mail, browsing webpage and access streaming video etc..

Audio output unit 153 can be received by radio frequency unit 151 or network module 152 or in memory 159 The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 153 can also provide and UE The 150 relevant audio output of specific function (for example, call signal receives sound, message sink sound etc.) executed.Audio Output unit 153 includes loudspeaker, buzzer and receiver etc..

Input unit 154 is for receiving audio or video signal.Input unit 154 may include graphics processor (Graphics Processing Unit, GPU) 1541 and microphone 1542, graphics processor 1541 is in video acquisition mode Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out Reason.Treated, and picture frame may be displayed on display unit 156.Through graphics processor 1541, treated that picture frame can be deposited Storage is sent in memory 159 (or other storage mediums) or via radio frequency unit 151 or network module 152.Mike Wind 1542 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be The format output that mobile communication base station can be sent to via radio frequency unit 151 is converted in the case where telephone calling model.

UE 150 further includes at least one sensor 155, such as optical sensor, motion sensor and other sensors. Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to ambient light Light and shade adjusts the brightness of display panel 1561, and proximity sensor can close display panel when UE 150 is moved in one's ear 1561 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (generally three axis) and add The size of speed can detect that size and the direction of gravity when static, can be used to identify UE posture (such as horizontal/vertical screen switching, phase Close game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；Sensor 155 can also wrap Include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, hygrometer, thermometer, red Outside line sensor etc., details are not described herein.

Display unit 156 is for showing information input by user or being supplied to the information of user.Display unit 156 can wrap Display panel 1561 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 1561.

User input unit 157 can be used for receiving the number or character information of input, and generate the user setting with UE And the related key signals input of function control.Specifically, user input unit 157 includes touch panel 1571 and other are defeated Enter equipment 1572.Touch panel 1571, also referred to as touch screen collect the touch operation of user on it or nearby and (for example use Family uses the behaviour of any suitable object or attachment on touch panel 1571 or near touch panel 1571 such as finger, stylus Make).Touch panel 1571 may include both touch detecting apparatus and touch controller.Wherein, touch detecting apparatus detects The touch orientation of user, and touch operation bring signal is detected, transmit a signal to touch controller；Touch controller is from touching It touches and receives touch information in detection device, and be converted into contact coordinate, then give processor 160, receive processor 160 and send out Next order is simultaneously executed.Furthermore, it is possible to using the multiple types such as resistance-type, condenser type, infrared ray and surface acoustic wave reality Existing touch panel 1571.In addition to touch panel 1571, user input unit 157 can also include other input equipments 1572.Tool Body, other input equipments 1572 can include but is not limited to physical keyboard, function key (for example press by volume control button, switch Key etc.), trace ball, mouse, operating stick, details are not described herein.

Further, touch panel 1571 can be covered on display panel 1561, when touch panel 1571 is detected at it On or near touch operation after, send processor 160 to determine the type of touch event, be followed by subsequent processing device 160 according to touching The type for touching event provides corresponding visual output on display panel 1561.Although in Figure 15, touch panel 1571 and aobvious Show that panel 1561 is the function that outputs and inputs of realizing UE as two independent components, but in certain embodiments, it can The function that outputs and inputs of UE is realized so that touch panel 1571 and display panel 1561 is integrated, specifically herein without limitation.

Interface unit 158 is the interface that external device (ED) is connect with UE 150.For example, external device (ED) may include wired or nothing Line headphone port, external power supply (or battery charger) port, wired or wireless data port, memory card port, use There is port, the port audio input/output (I/O), video i/o port, the ear port of device etc. of identification module in connection Deng.Interface unit 158 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and will connect The one or more elements or can be used between UE 150 and external device (ED) passing that the input received is transferred in UE 150 Transmission of data.

Memory 159 can be used for storing software program and various data.Memory 159 can mainly include storing program area The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as Audio data, phone directory etc.) etc..In addition, memory 159 may include high-speed random access memory, it can also include non-easy The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.

Processor 160 is the control centre of UE, using the various pieces of various interfaces and the entire UE of connection, passes through fortune Row executes the software program and/or module being stored in memory 159, and calls the data being stored in memory 159, The various functions and processing data for executing UE, to carry out integral monitoring to UE.Processor 160 may include one or more processing Unit；Preferably, processor 160 can integrate application processor and modem processor, wherein application processor is mainly handled Operating system, user interface and application program etc., modem processor mainly handle wireless communication.On it is understood that Stating modem processor can not also be integrated into processor 160.

UE 150 can also include the power supply 161 (such as battery) powered to all parts, and optionally, power supply 161 can be with It is logically contiguous by power-supply management system and processor 160, thus by power-supply management system realize management charging, electric discharge, with And the functions such as power managed.

In addition, UE 150 includes some unshowned functional modules, details are not described herein.

Optionally, the embodiment of the present invention also provides a kind of UE, including processor 160 as shown in figure 15, memory 159, It is stored in the computer program that can be run on memory 159 and on the processor 160, the computer program is by processor 160 realize each process of above method embodiment when executing, and can reach identical technical effect, to avoid repeating, here It repeats no more.

The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium Calculation machine program realizes each mistake of above method embodiment when the computer program is executed by processor 160 as shown in figure 15 Journey, and identical technical effect can be reached, to avoid repeating, which is not described herein again.Wherein, the computer-readable storage medium Matter, such as ROM, RAM, magnetic or disk.

It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic Element.In the absence of more restrictions, the element limited by sentence " including one ... ", it is not excluded that including There is also other identical elements in the process, method of the element, article or device.

Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art The part contributed out can be embodied in the form of software products, which is stored in a storage medium In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.

The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much Form belongs within protection of the invention.

Claims

1. a kind of cell determination method, which is characterized in that the described method includes:

Mobile edge calculations MEC entity receives the first request message that source base station is sent, and first request message is for requesting First parameter, first parameter determine the to be switched Target cell of target UE UE, the mesh for the source base station It marks cell and provides service by target BS, the target BS and the source base station are same or different；

The MEC entity sends first parameter to the source base station.

2. the method according to claim 1, wherein the MEC entity receives the first request that source base station is sent Before message, the method also includes:

The MEC entity obtains first state information and the second status information, the first state information are used to indicate the mesh The current state of UE is marked, second status information is used to indicate the state of first network, and the first network is real by the MEC Body provides service；

The MEC entity obtains first parameter according to the first state information and second status information.

3. according to the method described in claim 2, it is characterized in that, the first state information includes the target UE current Current link-quality and institute between position, the target UE and the source base station that movement speed, the target UE are presently in State at least one in the current business demand of target UE；

Second status information includes the load of multiple base stations, the radio link quality of the multiple base station and the multiple base At least one of in the transmission power stood, the multiple base station is the base station in the first network.

4. according to the method described in claim 3, it is characterized in that, the MEC entity obtains the second status information, comprising:

The MEC entity receives the network side information of the transmission of each base station in the multiple base station, to obtain second shape State information.

5. according to the method described in claim 3, it is characterized in that, the first state information is the current shifting of the target UE Dynamic speed, second status information are the load of the multiple base station, and first parameter is multiple switching sluggishness boundary HHM Adjust surplus；

The MEC entity obtains first parameter according to the first state information and second status information, comprising:

The MEC entity movement speed current to the target UE normalizes to obtain normalization movement speed；

Load for each base station in the load of the multiple base station, the MEC entity execute following step, described to obtain Multiple HHM adjust surplus:

The MEC entity normalizes the load of a base station to obtain a normalization load of base station；

The MEC entity is according to the normalization movement speed and one normalization load of base station, using the first formula, meter Calculation obtains a HHM adjustment surplus.

6. the method according to claim 1, wherein the MEC entity sends described first to the source base station After parameter, the method also includes:

The MEC entity sends switching request message to access and mobile management function AMF entity, and the switching request message is used The target UE is switched into the Target cell from source cell in request, the source cell provides service by the source base station, It include first identifier in the switching request message, the first identifier is used to indicate the target BS.

7. the method according to claim 1, wherein the MEC entity sends described first to the source base station After parameter, the method also includes:

The MEC entity receives the switching request message that the source base station is sent, and the switching request message is for requesting institute It states target UE and switches to the Target cell from source cell, the source cell provides service by the source base station, and the switching is asked Asking includes first identifier in message, and the first identifier is used to indicate the target BS；

The MEC entity sends the switching request message according to the first identifier, Xiang Suoshu target BS.

8. a kind of cell determination method, which is characterized in that the described method includes:

Source base station obtains the first parameter, and first parameter determines the to be switched mesh of target UE UE for the source base station Cell is marked, the Target cell provides service by target BS, and the target BS and the source base station are same or different；

The source base station obtains the measurement result of the target UE；

The source base station determines the Target cell according to first parameter and the measurement result.

9. according to the method described in claim 8, it is characterized in that, the source base station obtains the first parameter, comprising:

The source base station sends the first request message to mobile edge calculations MEC entity, and first request message is used for institute State the first parameter described in MEC entity requests；

The source base station receives first parameter that the MEC entity is sent.

10. according to the method described in claim 9, it is characterized in that, the source base station sends the first request message to MEC entity Before, the method also includes:

The source base station receives the first state information that the target UE is sent, and the first state information is used to indicate the mesh Mark the current state of UE；

The source base station sends the first state information to the MEC entity, and the first state information is real for the MEC Body determines first parameter.

11. according to the method described in claim 10, it is characterized in that, the first state information includes the target UE current Movement speed, link-quality current between the target UE position, the target UE and the source base station that are presently in and At least one of in the target UE current business demand.

12. according to the method for claim 11, which is characterized in that first parameter is multiple switching sluggishness boundary HHM Adjust surplus；

The source base station determines the Target cell according to first parameter and the measurement result, comprising:

The source base station adjusts surplus and the measurement result according to the multiple HHM, determines the Target cell.

13. described according to the method described in claim 8, it is characterized in that, after the source base station determines the Target cell Method further include:

The source base station sends switching request message to MEC entity, and the switching request message is for requesting the target UE The Target cell is switched to from source cell, and the source cell provides service by the source base station, in the switching request message Including first identifier, the first identifier is used to indicate the target BS, and the first identifier is used for the MEC entity to institute It states target BS and sends the switching request message.

14. a kind of cell determination method, which is characterized in that the described method includes:

First user equipment (UE) sends first state information, first shape to mobile edge calculations MEC entity by source base station State information is used to indicate the current state of the first UE, and the first state information determines the first ginseng for the MEC entity Number, first parameter determine the to be switched Target cell of target UE, the target UE and described first for the source base station UE is same or different, and the Target cell provides service by target BS, the target BS it is identical as the source base station or Person is different.

15. according to the method for claim 14, which is characterized in that the first state information includes the first UE current Movement speed, link-quality current between the first UE position, the first UE and the source base station that are presently in and At least one of in first UE current business demand.

16. a kind of mobile edge calculations MEC entity, which is characterized in that including receiving module and sending module；

The receiving module, for receiving the first request message of source base station transmission, first request message is for requesting the One parameter, first parameter determine the to be switched Target cell of target UE UE, the target for the source base station Cell provides service by target BS, and the target BS and the source base station are same or different；

The sending module, for sending received first parameter of receiving module to the source base station.

17. MEC entity according to claim 16, which is characterized in that the MEC entity further includes obtaining module；

The acquisition module, for obtaining first before the first request message that the receiving module receives that source base station is sent Status information and the second status information, and according to the first state information and second status information, obtain described first Parameter, the first state information are used to indicate the current state of the target UE, and second status information is used to indicate The state of one network, the first network provide service by the MEC entity.

18. MEC entity according to claim 17, which is characterized in that the first state information includes the target UE Current link matter between position, the target UE and the source base station that current movement speed, the target UE are presently in At least one of in amount and the target UE current business demand；

19. MEC entity according to claim 18, which is characterized in that

The acquisition module, specifically for the network side information that each base station received in the multiple base station is sent, to obtain Second status information.

20. MEC entity according to claim 18, which is characterized in that the first state information is that the target UE works as Preceding movement speed, second status information are the load of the multiple base station, and first parameter is that multiple switchings are sluggish Boundary HHM adjusts surplus；

The acquisition module normalizes to obtain normalization movement speed specifically for the movement speed current to the target UE； And the load for each base station in the load of the multiple base station, is performed both by following step, to obtain the multiple HHM tune Whole surplus:

The load of one base station is normalized to obtain a normalization load of base station；And according to the normalization movement speed and institute A normalization load of base station is stated, using the first formula, a HHM adjustment surplus is calculated.

21. MEC entity according to claim 16, which is characterized in that

The sending module is also used to after sending first parameter to the source base station, to access and mobile management function Energy AMF entity sends switching request message, and the switching request message switches to the target UE from source cell for requesting The Target cell, the source cell provide service by the source base station, include first identifier, institute in the switching request message It states first identifier and is used to indicate the target BS.

22. MEC entity according to claim 16, which is characterized in that

The receiving module is also used to after the sending module sends first parameter to the source base station, receives institute The switching request message of source base station transmission is stated, the switching request message switches to the target UE from source cell for requesting The Target cell, the source cell provide service by the source base station, include first identifier, institute in the switching request message It states first identifier and is used to indicate the target BS；

The sending module is also used to according to the received first identifier of the receiving module, and Xiang Suoshu target BS is sent The switching request message.

23. a kind of base station, which is characterized in that including obtaining module and determining module；

The acquisition module, for obtaining the measurement result of the first parameter and target UE UE, first parameter is used for The base station determines that the to be switched Target cell of the target UE, the Target cell provide service, the mesh by target BS It marks base station and the base station is same or different；

The determining module, first parameter and the measurement result for being obtained according to the acquisition module, determines institute State Target cell.

24. base station according to claim 23, which is characterized in that

The acquisition module is specifically used for sending the first request message to mobile edge calculations MEC entity, and receives the MEC First parameter that entity is sent, first request message are used for the first parameter described in the MEC entity requests.

25. base station according to claim 24, which is characterized in that the base station further includes sending module and receiving module；

The receiving module, for receiving the target before the acquisition module sends the first request message to MEC entity The first state information that UE is sent, the first state information are used to indicate the current state of the target UE；

The sending module, it is described for sending the received first state information of receiving module to the MEC entity First state information determines first parameter for the MEC entity.

26. base station according to claim 25, which is characterized in that the first state information includes the target UE current Movement speed, link-quality and institute current between the target UE position, the target UE and the base station that are presently in State at least one in the current business demand of target UE.

27. base station according to claim 26, which is characterized in that first parameter is multiple switching sluggishness boundary HHM Adjust surplus；

The determining module is specifically used for adjusting surplus and the measurement result according to the multiple HHM, determines that the target is small Area.

28. base station according to claim 23, which is characterized in that the base station further includes sending module；

The sending module, for sending switching request to MEC entity after the determining module determines the Target cell The target UE is switched to the Target cell from source cell for requesting by message, the switching request message, and the source is small Area provides service by the base station, includes first identifier in the switching request message, and the first identifier is used to indicate described Target BS, the first identifier send the switching request message to the target BS for the MEC entity.

29. a kind of user equipment (UE), which is characterized in that including sending module；

The sending module, for sending first state information to mobile edge calculations MEC entity by source base station, described first Status information is used to indicate the current state of the UE, and the first state information determines the first parameter for the MEC entity, First parameter determines the to be switched Target cell of target UE for the source base station, the target UE it is identical as the UE or Person is different, and the Target cell provides service by target BS, and the target BS and the source base station are same or different.

30. UE according to claim 29, which is characterized in that the first state information includes the current movement of the UE Current link-quality and the current industry of the UE between position, the UE and the source base station that speed, the UE are presently in At least one of in business demand.

31. a kind of mobile edge calculations MEC entity, which is characterized in that including processor, memory and be stored in the memory Computer program that is upper and can running on the processor, is realized when the computer program is executed by the processor as weighed Benefit require any one of 1 to 7 described in cell determination method the step of.

32. a kind of base station, which is characterized in that including processor, memory and be stored on the memory and can be at the place The computer program run on reason device is realized when the computer program is executed by the processor as in claim 8 to 13 The step of described in any item cell determination methods.

33. a kind of user equipment (UE), which is characterized in that including processor, memory and be stored on the memory and can be The computer program run on the processor realizes such as claim 14 when the computer program is executed by the processor Or the step of cell determination method described in 15.

34. a kind of communication system, it is characterized in that, the communication system includes as described in any one of claim 16 to 22 Mobile edge calculations MEC entity, the base station as described in any one of claim 23 to 28, and such as claim 29 or 30 institutes The user equipment (UE) stated；Alternatively,

The communication system includes MEC entity as claimed in claim 31, base station as claimed in claim 32, and as weighed Benefit require 33 described in UE.