CN107509223A - The construction method and device of a kind of virtual subdistrict - Google Patents

The construction method and device of a kind of virtual subdistrict Download PDF

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Publication number
CN107509223A
CN107509223A CN201710524827.6A CN201710524827A CN107509223A CN 107509223 A CN107509223 A CN 107509223A CN 201710524827 A CN201710524827 A CN 201710524827A CN 107509223 A CN107509223 A CN 107509223A
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China
Prior art keywords
access point
user
access
priority
determined
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CN201710524827.6A
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Chinese (zh)
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CN107509223B (en
Inventor
曾捷
粟欣
李菁菁
刘蓓
许希斌
赵明
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Tsinghua University
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Tsinghua University
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Priority to CN201710524827.6A priority Critical patent/CN107509223B/en
Priority to PCT/CN2017/109854 priority patent/WO2019000778A1/en
Publication of CN107509223A publication Critical patent/CN107509223A/en
Application granted granted Critical
Publication of CN107509223B publication Critical patent/CN107509223B/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/00835—Determination of neighbour cell lists
    • H04W36/008357—Determination of target cell based on access point [AP] properties, e.g. AP service capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/13—Cell handover without a predetermined boundary, e.g. virtual cells
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
    • H04W36/322—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data by location data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/025—Services making use of location information using location based information parameters
    • H04W4/027—Services making use of location information using location based information parameters using movement velocity, acceleration information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

This application discloses a kind of construction method of virtual subdistrict and device, for solving in the prior art when user is in mobile status, the access point being connected with user will frequent switching cause the current service disruption of user so that influence Consumer's Experience the problem of, method includes：It is determined that in next preset time section, each first access point of communication connection can be established in network with user；Determine the service quality of each first access point, and the user to the selection tendentiousness of each first access point；According to the service quality of each first access point and the user to the selection tendentiousness of each first access point, determine that the user accesses the priority of each first access point in the preset time section；According to the priority of each first access point, target access is determined, the target access is added with the virtual subdistrict of the user-center.

Description

The construction method and device of a kind of virtual subdistrict
Technical field
The application is related to wireless communication technology field, more particularly to the construction method and device of a kind of virtual subdistrict.
Background technology
With the fast development of mobile Internet and Internet of Things, various new business applications also continue to bring out therewith, and this is While the life of people offers convenience, higher requirement is also proposed to mobile communications network, to tackle mobile network data The explosive growth of flow, meet the experience speed of user, in order to tackle this demand, prior art is super often through being formed Intensive networking, i.e., by the wireless network infrastructure of deployment more " densification ", such as, increase mobile communications network unit The density of small base station in area, to obtain higher frequency division multiplexing efficiency, so as to realize hundred times of magnitudes in local hot spot areas Power system capacity is lifted.
In order to meet the needs of typical case scene and technological challenge, the virtual subdistrict of customer-centric will eliminate small Area edge, break traditions the concept of " cell ".In the virtual subdistrict of customer-centric, user can be according to certain standard Then select several access points around it to form the set of its service antenna, the antenna in the set jointly be in " in The user of the heart " provides service.
In above-mentioned scene, when user moves in the region comprising multiple access points, customer-centric it is virtual Access point in cell can also update with the movement of user, so in some former virtual subdistricts without but can be user The access point of service will add virtual subdistrict, and some in former virtual subdistrict no longer meet for the access point of user service condition It will be removed from the virtual subdistrict, as shown in figure 1, so when user moves in multiple minizones, the access that is connected with user Point will frequent switching, this will cause the current service of user produces to interrupt time delay, and then influence Consumer's Experience.
The content of the invention
The embodiment of the present application provides a kind of construction method of virtual subdistrict, for solving in the prior art when user is in During mobile status, the access point that is connected with user will frequent switching cause the current service disruption of user and then influence user The problem of experience.
The embodiment of the present application also provides a kind of construction device of virtual subdistrict, for solving in the prior art at user When mobile status, the access point that is connected with user will frequent switching cause the current service disruption of user and then influence to use The problem of family is experienced.
The embodiment of the present application uses following technical proposals：
A kind of construction method of virtual subdistrict, including：
It is determined that in next preset time section, each first access point of communication connection can be established in network with user；
Determine the service quality of each first access point, and selection of the user to each first access point Tendentiousness, the selection tendentiousness, for representing in next preset time section, user selects access described first The tendency degree of access point；
It is inclined to according to the selection of the service quality of each first access point and the user to each first access point Property, determine that the user accesses the priority of each first access point in the preset time section；
According to the priority of each first access point, target access is determined, the target access is added with institute State the virtual subdistrict of user-center.
A kind of construction device of virtual subdistrict, including：
First determining unit, for determining in next preset time section, communication link can be established with user in network Each first access point connect；
Second determining unit, for determining the service quality of each first access point, and the user is to each described The selection tendentiousness of first access point, the selection tendentiousness are described for representing in next preset time section User selects to access the tendency degree of first access point；
3rd determining unit, for the service quality according to each first access point and the user to each described The selection tendentiousness of one access point, determine that the user accesses each first access point in the preset time section Priority；
4th determining unit, for the priority according to each first access point, target access is determined, by described in Target access is added with the virtual subdistrict of the user-center.
Above-mentioned at least one technical scheme that the embodiment of the present application uses can reach following beneficial effect：
In the application, each first access point of communication connection can be established in network with user due to can determine, and really The service quality of fixed each first access point and user are used for table to the selection tendentiousness of each first access point, the selection tendentiousness Show in next preset time section, user selects the tendency degree of the first access point of access, then according to each first access point Service quality and user to the selection tendentiousness of each first access point, determine that user accesses each in preset time section The priority of one access point, finally according to the priority of each first access point, determine target access, by target access plus Enter the virtual subdistrict of customer-centric.It is virtual due to customer-centric so when user moves in multiple minizones Each target access in cell is determined according to priority, and the access point that can be so connected with reduction with user is cut Change, and then reduce the interruption time delay that access point switching is brought, so as to lift Consumer's Experience.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding of the present application, forms the part of the application, this Shen Schematic description and description please is used to explain the application, does not form the improper restriction to the application.In the accompanying drawings：
Fig. 1 is the virtual subdistrict schematic diagram of customer-centric in the prior art；
Fig. 2 is a kind of implementation process diagram of the construction method for virtual subdistrict that the embodiment of the present application provides；
Fig. 3 is a kind of structural representation of the construction device for virtual subdistrict that the embodiment of the present application provides.
Embodiment
To make the purpose, technical scheme and advantage of the application clearer, below in conjunction with the application specific embodiment and Technical scheme is clearly and completely described corresponding accompanying drawing.Obviously, described embodiment is only the application Part of the embodiment, rather than whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not having There is the every other embodiment made and obtained under the premise of creative work, belong to the scope of the application protection.
Below in conjunction with accompanying drawing, the technical scheme that each embodiment of the application provides is described in detail.
To solve in the prior art when user is in mobile status, the access point being connected with user will frequent switching The problem of causing the service disruption that user is current and then influenceing Consumer's Experience, the embodiment of the present application provides a kind of virtual subdistrict Construction method, the executive agent of this method can be chain of command, for example can be macro base station or any realize this Shen The device for the method that please be provide.Below, exemplified by executive agent in this way is chain of command, the embodiment of this method is entered Row is discussed in detail, it will be understood that the executive agent of this method is that chain of command is a kind of exemplary explanation, and be should not be understood For the restriction to this method.
The implementation process schematic diagram of this method as shown in Fig. 2 including：
Step 11, it is determined that in next preset time section, each the first of communication connection can be established in network with user Access point；
Wherein, next preset time section, when can be next section of user for time interval is presently in Between section, the size in the preset time section is often greater than the time implemented spent by the method that the application provides, and its is specific Numerical value can be depending on actual conditions, for example can be determined according to information such as the current translational speeds of user.The application is implemented User in example, can be mobile terminal, for example can be that smart mobile phone, wearable device etc. can implement wireless communications industry The terminal device of business.Access point in the embodiment of the present application, can establish communication connection with user to allow users to Implement the access point of radio communication service, for example can be WAP, small base station etc..
Specifically, it is determined that in next preset time section, the first of communication connection can be established in network with user Access point, first can be by receiving the first message of user and the second message of each access point in network；Then according to first Wrapped in each predicted position that the user included in message is likely located in next preset time section, each second message The coverage and signal reception power of each first access point contained, to determine in next preset time section, energy in network Enough and user establishes the first access point of communication connection.
Wherein it is determined that each first access point of communication connection can be established in network with user, on the one hand can be according to the Each predicted position included in one message, the coverage of each first access point included in each second message are each pre- to determine Whether location is put within the coverage of a certain access point, however, it is determined that user has a certain pre- in next preset time section Location is put within the coverage of a certain access point, then it is energy that can determine the first access point corresponding with the coverage The access point being connected with user；On the other hand can also be according to the signal reception power included in the second message, to determine the letter Whether number receiving power is more than preset value, however, it is determined that the signal reception power is more than preset value, then can determine to connect with the signal Access point corresponding to power is received as the first access point of communication connection can be established with user.
Step 12, determine each first access point service quality and user to the selection tendentiousness of each first access point, its Middle selection tendentiousness, for representing in next preset time section, user selects the tendency degree of the first access point of access；
It is possible, firstly, to according to the transmission power of the access point included in the second message and load, it is determined to and uses respectively The service quality of each first access point of communication connection is established at family, can specifically pass through formulaTo determine, wherein, PjFor First access point j transmission power, LjFor the first access point j load.
It is then possible to it is likely located at according to the user included in first message in next preset time section each pre- Location puts, positioned at each predicted position when predetermined speed, user in each predeterminated position each first anticipated path, user each The coverage of each first access point included in probability at predicted position, and each second message determines.
The predicted position m being likely located at below with user in next preset time section, and the first access point j is Example, to describe the tendentious detailed process of selection for determining user to the first access point j in detail：It is possible, firstly, to disappear according to first The the first anticipated path s included in breathmWith the first access point j coverage included in the second message, to determine that first is pre- The second anticipated path s in coverage that meter path includesm,j；Then according to the second anticipated path sm,jWith user pre- Location puts predetermined speed v at mm, to determine residence time t of the user in the first access point j coveragem,j；Finally, According to the probability P of predicted position m, user at predicted position mmWith residence time tm,j, to determine user to the first access point j Selection tendentiousness.It should be noted that the user included in first message is likely located in next preset time section Each predicted position, positioned at each predicted position when predetermined speed, each first anticipated path comprising each predicted position and user Probability at each predicted position may each be user according to the historical position information of itself, historical actions track, current line The information analyses such as stream of people's trend in dynamic rail mark and region obtain.
Wherein, according to the second anticipated path and predetermined speed, residence time of the user in coverage is determined, specifically Formula can be passed throughTo determine, wherein, the second anticipated path sm,jDuring for user at predicted position m, first is pre- Count path smPart in the first access point j coverages, vmFor the predetermined speed of user at predicted position m.Due to energy Enough determine residence time of the user in next preset time section in each first access point coverage, so it is determined that When adding the access point in virtual subdistrict, just it is contemplated that the access point of residence time length is preferentially added in virtual subdistrict, So as to avoid user, in movement, the access point frequent switching being connected with user causes the current service disruption of user Problem.
Finally, the set M for each predicted position that can be likely located at according to user in next preset time section, use Family predicted position m (m ∈ M) place probability and residence time, to determine selection tendentiousness of the user to the first access point j, tool Body can pass through formulaTo determine, wherein, M is that user is likely located in next preset time section Predicted position set, m ∈ M, PmBe user in next preset time section be located at predicted position m probability, dm,jIt is User is located at distance when at predicted position m between the first access point j, t in next preset time sectionm,jIt is institute above Residence time of the user stated in the first access point j coverage.
Step 13, the selection tendentiousness according to the service quality of each first access point and user to each first access point, really Determine the priority that user accesses each first access point in preset time section；
Along clearly to determine the mode that user accesses the first access point j priority for exemplified by the first access point j, have Body can pass through formula Aj=α Bj+βUjTo determine that user accesses the first access point j priority, wherein, BjTo be described above The first access point j service quality, UjSelection tendentiousness for user described above to the first access point j, α, β ∈ [0, 1], and alpha+beta=1, α and β are predetermined coefficient, and its concrete numerical value then can specifically be joined according to service quality of each access point etc. Count to set.
Step 14, according to the priority of each first access point, determine target access, by target access add with Virtual subdistrict centered on family.
According to the priority of each first access point, target access is determined, specifically, it may be determined that the second access point In, experience speed sum is more than or equal to each target access of default experience speed, wherein, can be accurate for ease of user The experience speed established with each first access point after communication connection is determined, the second access point in the embodiment of the present application is energy The first access point of communication connection is established with user.In addition, it is added in order to the high access point of prioritizing selection priority level In the virtual subdistrict of customer-centric, the priority of each target access is often higher than the priority of the 3rd access point, its In, the 3rd access point is the access point in addition to target access in the second access point.
And determine in the second access point, experience speed sum is more than or equal to each target access of default experience speed, Then each target access can be determined according to priority in descending order, wherein, the quantity of target access is to meet body Test the minimum number that speed sum is more than or equal to default experience speed.Specifically, can be suitable from high to low according to priority Sequence, following operate is performed to the first access point successively：First, determine that can user establish with the first access point to communicate to connect；If Determine that user can establish with the first access point to communicate to connect, it is determined that user and the first access point establish after communication connection the One experience speed；Then, whether each first experience speed sum for judging to determine is more than or equal to default experience speed；If really Fixed each experience speed sum is more than or equal to default experience speed, then will have determined that each the first of the first experience speed connects Access point is defined as target access.
In order to determine that priority in each first access point meets the access point of preparatory condition successively, it is determined that next In preset time section, while can establishing each first access point of communication connection with user in network, this can also be determined The number n of first access point.Then, order that can be gradually to increase according to priority, structure is comprising each first access point Array J={ j1,j2,…,jn, wherein, jiFor the first access point, i ∈ [1, n], target access is finally determined from array J again Point.Below, exemplified by the number of the first access point to be included in array J is 6, to describe in detail from each second access point, really Make the specific implementation process of target access：
Step i, from the first access point j1Start, determine that can user with the first access point j1Establish communication connection；
Step ii, however, it is determined that user can be with the first access point j1Communication connection is established, then performs step iii, however, it is determined that is used Family can not be with the first access point j1Communication connection is established, then performs step v；
Step iii, determine user and the first access point j1The experience speed R established after communication connection1Whether it is more than or waits In default experience speed Rreq；
Step iv, however, it is determined that R1≥Rreq, then by the first access point j1It is added in the virtual subdistrict of customer-centric, If it is determined that R1＜ Rreq, then step v is performed；
Step v, determine that can user with the first access point j2Establish communication connection；
Step vi, however, it is determined that user can be with the first access point j2Communication connection is established, then performs step vii, however, it is determined that is used Family can not be with the first access point j2Communication connection is established, then performs step viii；
Step vii, determine user and the first access point j2The experience speed R established after communication connection2With R1Whether sum More than or equal to default experience speed Rreq；
Step viii, however, it is determined that R1+R2≥Rreq, then by the first access point j1And j2It is added to the void of customer-centric Intend in cell, however, it is determined that R1+R2<Rreq, then step ix is performed；
Step ix, determine that can user with the first access point j3Establish communication connection；
……；
By that analogy, default experience speed can be more than or equal to determine to experience speed sum from the second access point Each target access of rate, finally, these target access are added in the virtual subdistrict of customer-centric.Need to illustrate , in the application, in order to avoid operand is too big, it is preferable that once determine to experience speed sum from the second access point , can be to terminate to its in array J in addition to target access more than or equal to each target access of default experience speed The judgement operation of his access point.
In the application, each target access of determination can be added with user before next preset time section Centered on virtual subdistrict, so in next preset time section, the movement of the position of user just will not cause connected The switching of access point, and then the problem of the current service disruption of user can be avoided and influence Consumer's Experience.
In the application, each first access point of communication connection can be established in network with user due to can determine, and really The service quality of fixed each first access point and user are used for table to the selection tendentiousness of each first access point, the selection tendentiousness Show in next preset time section, user selects the tendency degree of the first access point of access, then according to each first access point Service quality and user to the selection tendentiousness of each first access point, determine that user accesses each in preset time section The priority of one access point, finally according to the priority of each first access point, determine target access, by target access plus Enter the virtual subdistrict of customer-centric.It is virtual due to customer-centric so when user moves in multiple minizones Each target access in cell is determined according to priority, and the access point that can be so connected with reduction with user is cut Change, and then reduce the interruption time delay that access point switching is brought, so as to lift Consumer's Experience.
To solve in the prior art when user is in mobile status, the access point being connected with user will frequent switching The problem of causing the service disruption that user is current and then influenceing Consumer's Experience, the embodiment of the present application also provides a kind of virtual subdistrict Construction device, as shown in figure 3, including following function unit：
First determining unit 21, it can establish and communicate with user for determining in next preset time section, in network Each first access point of connection；
Second determining unit 22, for determining the service quality of each first access point, and the user to each institute State the selection tendentiousness of the first access point, the selection tendentiousness, for representing in next preset time section, institute User is stated to select to access the tendency degree of first access point；
3rd determining unit 23, for the service quality according to each first access point and the user to each described The selection tendentiousness of first access point, determine that the user accesses each first access point in the preset time section Priority；
4th determining unit 24, for the priority according to each first access point, target access is determined, by institute Target access is stated to add with the virtual subdistrict of the user-center.
In one embodiment, the 4th determining unit 24, is specifically used for：
Determine in the second access point, experience speed sum is more than or equal to each target access of default experience speed Point, wherein second access point is first access point that communication connection can be established with the user；Each target connects The priority of access point is higher than the priority of the 3rd access point, and the 3rd access point is to remove the mesh in second access point Access point beyond tag splice access point.
In one embodiment, the 4th determining unit 24, is specifically used for：
According to priority in descending order, each target access is determined, the quantity of the target access is, Meet that experience speed sum is more than or equal to the minimum number of default experience speed.
In one embodiment, it is described according to priority in descending order, successively to first access point perform Operate below：
Determine that can the user establish with first access point to communicate to connect；
Communicated to connect if it is determined that the user can establish with first access point, it is determined that user connects with described first The first experience speed that access point is established after communication connection；
Whether each first experience speed sum for judging to determine is more than or equal to default experience speed；
If each first experience speed sum for judging to determine is more than or equal to the default experience speed, by Determine that each first access point of the first experience speed is defined as the target access.
In one embodiment, first determining unit 21, is specifically used for：
Receive the first message of the user and the second message of each described access point in the network；
Each prediction being likely located at according to the user included in the first message in the preset time section The coverage and signal reception power of each second access point included in position, each second message, it is determined that described Each first access point of communication connection can be established in network with the user.
In one embodiment, second determining unit 22, is specifically used for：
According to the transmission power of each second access point included in each second message and load, each institute is determined State the service quality of the first access point；
According to each predicted position included in the first message, the user is in the preset time section Each predetermined speed, the user during positioned at each predicted position are located at each prediction in the preset time section Each first anticipated path and the user during position are in the preset time section positioned at each predicted position The coverage of each second access point included in probability, and each second message, determines the user to each institute State the selection tendentiousness of the first access point；
The service quality is to pass through formulaDetermine, wherein, PjFor the transmitting work(of the first access point j Rate, LjFor the load of the first access point j.
In one embodiment, second determining unit 22, also particularly useful for：
It is each according to being included in each first anticipated path and each second message included in the first message The coverage, determine each second anticipated path that each first anticipated path is included in each coverage；
According to each second anticipated path and each described predetermined speed, determine the user in each coverage Interior each residence time；
The probability of each predicted position and each residence time are located at according to each predicted position, the user, Determine selection tendentiousness of the user to each first access point；
The residence time is to pass through formulaDetermine, wherein, sm,jFor the second anticipated path, described second Anticipated path sm,jFor the first anticipated path smPart in the first access point j coverages, described first is pre- Count path smFor first anticipated path of the user at the predicted position m, vmIt is the user in the predicted position m The predetermined speed at place；
The selection tendentiousness is to pass through formulaDetermine, wherein, M is the user described The set of each predicted position in preset time section, m ∈ M, PmIt is located at the general of the predicted position m for the user Rate, dm,jThe distance between with the first access point j when being located at the predicted position m for the user, tm,jFor the user Residence time in the coverage of the first access point j.
In one embodiment, the priority is by formula Aj=α Bj+βUjIt is determined that wherein, BjFor described One access point j service quality, UjSelection tendentiousness for the user to the first access point j, α and β are default system Number, α, β ∈ [0,1], and alpha+beta=1.
In the application, each first access point of communication connection can be established in network with user due to can determine, and really The service quality of fixed each first access point and user are used for table to the selection tendentiousness of each first access point, the selection tendentiousness Show in next preset time section, user selects the tendency degree of the first access point of access, then according to each first access point Service quality and user to the selection tendentiousness of each first access point, determine that user accesses each in preset time section The priority of one access point, finally according to the priority of each first access point, determine target access, by target access plus Enter the virtual subdistrict of customer-centric.It is virtual due to customer-centric so when user moves in multiple minizones Each target access in cell is determined according to priority, and the access point that can be so connected with reduction with user is cut Change, and then reduce the interruption time delay that access point switching is brought, so as to lift Consumer's Experience.
It should be understood by those skilled in the art that, embodiments herein can be provided as method, system or computer journey Sequence product.Therefore, in terms of the application can use complete hardware embodiment, complete software embodiment or combine software and hardware The form of embodiment.Moreover, the application can use the calculating for wherein including computer usable program code in one or more The computer program that machine usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.) The form of product.
The application is the flow chart of the method with reference to the embodiment of the present application, equipment (system) and computer program product And/or block diagram describes.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer journeys can be provided Sequence instruction to all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices processor with Produce a machine so that use is produced by the instruction of computer or the computing device of other programmable data processing devices In the function that realization is specified in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames Device.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included The manufacture of command device, the command device are realized in one flow of flow chart or multiple flows and/or one square frame of block diagram Or the function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that Series of operation steps is performed on computer or other programmable devices to produce computer implemented processing, so as to calculate The instruction performed on machine or other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or side The step of function of being specified in one square frame of block diagram or multiple square frames.
In a typical configuration, computing device include one or more processors (CPU), input/output interface, Network interface and internal memory.
Internal memory may include computer-readable medium in volatile memory, random access memory (RAM) and/ Or the form such as Nonvolatile memory, such as read-only storage (ROM) or flash memory (flash RAM).Internal memory is computer-readable medium Example.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any side Method or technology realize that information stores.Information can be computer-readable instruction, data structure, the module of program or other numbers According to.The example of the storage medium of computer includes, but are not limited to phase transition internal memory (PRAM), static RAM (SRAM), dynamic random access memory (DRAM), other kinds of random access memory (RAM), read-only storage (ROM), Electrically Erasable Read Only Memory (EEPROM), fast flash memory bank or other memory techniques, read-only optical disc are read-only Memory (CD-ROM), digital versatile disc (DVD) or other optical storages, magnetic cassette tape, tape magnetic rigid disk storage or Other magnetic storage apparatus or any other non-transmission medium, the information that can be accessed by a computing device available for storage.Press Defined according to herein, computer-readable medium does not include temporary computer readable media (transitory media), such as modulates Data-signal and carrier wave.
It should also be noted that, term " comprising ", "comprising" or its any other variant are intended to nonexcludability Comprising so that process, method, commodity or equipment including a series of elements not only include those key elements, but also wrapping Include the other element being not expressly set out, or also include for this process, method, commodity or equipment intrinsic want Element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including key element Process, method, other identical element also be present in commodity or equipment.
Embodiments herein is these are only, is not limited to the application.Come for those skilled in the art Say, the application there can be various modifications and variations.All any modifications made within spirit herein and principle, it is equal Replace, improve etc., it should be included within the scope of claims hereof.

Claims (10)

  1. A kind of 1. construction method of virtual subdistrict, it is characterised in that including：
    It is determined that in next preset time section, each first access point of communication connection can be established in network with user；
    Determine the service quality of each first access point, and selection tendency of the user to each first access point Property, the selection tendentiousness, for representing in the preset time section, user selects to access inclining for first access point To degree；
    Selection tendentiousness according to the service quality of each first access point and the user to each first access point, really The fixed user accesses the priority of each first access point in the preset time section；
    According to the priority of each first access point, target access is determined, the target access is added with the use Virtual subdistrict centered on family.
  2. 2. the method as described in claim 1, it is characterised in that according to the priority of each first access point, determine target Access point, specifically include：
    Determining in the second access point, experience speed sum is more than or equal to each target access of default experience speed, its Described in the second access point for can with the user establish communication connection first access point；Each target access Priority is higher than the priority of the 3rd access point, and the 3rd access point is to remove the target access in second access point Access point in addition.
  3. 3. method as claimed in claim 2, it is characterised in that determine in the second access point, experience speed sum is more than or waited In each target access of default experience speed, specifically include：
    According to priority in descending order, each target access is determined, the quantity of the target access is to meet body Test the minimum number that speed sum is more than or equal to the default experience speed.
  4. 4. method as claimed in claim 3, it is characterised in that according to priority in descending order, determine each target Access point, specifically include：
    According to priority in descending order, following operate is performed to first access point successively：
    Determine that can the user establish with first access point to communicate to connect；
    Communicated to connect if it is determined that the user can establish with first access point, it is determined that user builds with first access point The first experience speed after vertical communication connection；
    Whether each first experience speed sum for judging to determine is more than or equal to the default experience speed；
    If each first experience speed sum for judging to determine is more than or equal to the default experience speed, the will be had determined that Each first access point of one experience speed is defined as the target access.
  5. 5. the method as described in claim 1, it is characterised in that can be with it is determined that in next preset time section, in network User establishes each first access point of communication connection, specifically includes：
    Receive the first message of the user and the second message of each described access point in the network；
    Each predicted position for being likely located at according to the user included in the first message in the preset time section, The coverage and signal reception power of each first access point included in each second message, are determined in the network Each first access point of communication connection can be established with the user.
  6. 6. method as claimed in claim 4, it is characterised in that determine the service quality of each first access point and the use Family specifically includes to the selection tendentiousness of each first access point：
    According to the transmission power of each second access point included in each second message and load, each described first is determined The service quality of access point；
    According to included in the first message each predicted position, the user in the preset time section positioned at each When each predetermined speed, the user during predicted position are located at each predicted position in the preset time section Each first anticipated path and the user are located at the probability of each predicted position in the preset time section, and The coverage of each second access point included in each second message, determine the user to each first access The selection tendentiousness of point；
    The service quality is to pass through formulaDetermine, wherein, PjFor the transmission power of the first access point j, LjFor The load of the first access point j.
  7. 7. method as claimed in claim 6, it is characterised in that determine that selection of the user to each first access point is inclined Tropism, specifically include：
    According to included in each first anticipated path and each second message included in the first message it is each described in Coverage, determine each second anticipated path that each first anticipated path is included in each coverage；
    According to each second anticipated path and each described predetermined speed, determine that the user is each in each coverage Residence time；
    The probability of each predicted position and each residence time are located at according to each predicted position, the user, it is determined that Selection tendentiousness of the user to each first access point；
    The residence time is to pass through formulaDetermine, wherein, sm,jFor the second anticipated path, the described second estimated road Footpath sm,jFor the first anticipated path smPart in the first access point j coverages, the first anticipated path sm For first anticipated path of the user at the predicted position m, vmFor prediction of the user at the predicted position m Speed；
    The selection tendentiousness is to pass through formulaDetermine, wherein, M is the user when described default Between each predicted position in section set, m ∈ M, PmIt is located at the probability of the predicted position m, d for the userm,jFor The distance between with the first access point j when the user is located at the predicted position m, tm,jIt is the user described Residence time in one access point j coverage.
  8. 8. the method as described in claim 1, it is characterised in that the priority is by formula Aj=α Bj+βUjIt is determined that its In, BjFor the service quality of the first access point j, UjSelection tendentiousness for the user to the first access point j, α and β is predetermined coefficient, α, β ∈ [0,1], and alpha+beta=1.
  9. A kind of 9. construction device of virtual subdistrict, it is characterised in that including：
    First determining unit, for determining in next preset time section, communication connection can be established with user in network Each first access point；
    Second determining unit, for determining the service quality of each first access point, and the user to each described first The selection tendentiousness of access point, the selection tendentiousness, for representing in next preset time section, user's choosing Select the tendency degree for accessing first access point；
    3rd determining unit, for the service quality according to each first access point and the user to each first access The selection tendentiousness of point, determines that the user accesses the priority of each first access point in the preset time section；
    4th determining unit, for the priority according to each first access point, target access is determined, the target is connect Access point is added with the virtual subdistrict of the user-center.
  10. 10. device as claimed in claim 9, it is characterised in that the 4th determining unit, be specifically used for：
    Determining in the second access point, experience speed sum is more than or equal to each target access of default experience speed, its Described in the second access point for can with the user establish communication connection first access point；Each target access Priority is higher than the priority of the 3rd access point, and the 3rd access point is to remove the target access in second access point Access point in addition.
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