CN103037454B - The defining method on TD-SCDMA cell merge border and device - Google Patents
The defining method on TD-SCDMA cell merge border and device Download PDFInfo
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- CN103037454B CN103037454B CN201210520756.XA CN201210520756A CN103037454B CN 103037454 B CN103037454 B CN 103037454B CN 201210520756 A CN201210520756 A CN 201210520756A CN 103037454 B CN103037454 B CN 103037454B
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Abstract
The invention discloses a kind of determination method and apparatus of TD-SCDMA cell merge border, described method comprises: Real-time Collection also preserves hand off signaling and location measurement information; Select a community not determining handoff boundary; Hand off signaling according to preserving determines the handover event corresponding with this community, and the location measurement information before finding each handover event to occur; Se ctor partition is carried out to peripheral region, community; Find the sector belonging to each handover event; Handover event less for probability of happening in each sector is deleted, and the location measurement information corresponding to handover event remaining in each sector is averaged, obtain the average switching point position of each sector; Connect the handoff boundary that the average switching point of each sector and the base station location corresponding with community obtain this community successively; Carry out the determination of next cell boarder, until the handoff boundary of all communities is all determined.Real-time of the present invention is good, accuracy is high.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of defining method and device of TD-SCDMA cell merge border.
Background technology
In prior art, determine TD SDMA (Time Division-SynchronousCode Division Multiple Access, TD-SCDMA) method on cell merge border is generally adopt wireless network planning simulation software, based on the map etc. of wireless network infrastructure data, traffic density distributed data and high accuracy, high accuracy, determine cell merge border by Monte Carlo simulation method (stochastic simulation inductive statistics).
This method of prior art has following several shortcomings:
Costly: in order to improve the accuracy of emulation, need based on high accuracy map, and the buying expenses of this map is higher.
Poor real: along with the development of China's economy, the flowing of personnel is also increased, causes the traffic density distributed data pace of change characterizing the actual service condition of cellphone subscriber also more and more faster like this.Therefore, there is hysteresis quality to a certain degree in the cell merge border analyzing out based on traffic density distributed data.
Accuracy is lower: Monte Carlo simulation method is a kind of by setting random process, repeatedly rise time sequence, calculating parameter estimator sum test statistics, and then studies the method for its distribution characteristics.The cell merge border that it is determined not by wireless network actual conditions, therefore accuracy can be lower.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is: the defining method and the device that provide the TD-SCDMA cell merge border that a kind of real-time is good, accuracy is high.
(2) technical scheme
For solving the problem, on the one hand, the invention provides a kind of defining method of TD-SCDMA cell merge border, comprise the following steps:
Real-time Collection also preserves the location measurement information of the network side hand off signaling corresponding with each community and each mobile phone users;
Select a community not determining handoff boundary;
Hand off signaling according to preserving determines the handover event corresponding with this community, and finds each handover event that the location measurement information of front mobile phone users occurs;
Centered by this subdistrict position, horizontally outward extend many rays, the region being the center of circle with described center is divided into multiple sector;
The location measurement information that before occurring according to described handover event, mobile phone users is corresponding finds the sector belonging to each handover event;
Handover event less for probability of happening in each sector is deleted, and the location measurement information corresponding to handover event remaining in each sector is averaged, obtain the average switching point position of each sector;
Connect the handoff boundary that the average switching point of each sector and the base station location corresponding with community obtain this community successively;
Judge whether have the community determining handoff boundary in all communities or not, if do not had, then method terminates; If had, then turn back to the step that the community of handoff boundary is not determined in described selection one.
Preferably, the location measurement information of described mobile phone users comprises: the Timing Advance of mobile terminal reporting, antenna angle of arrival and time of reception deviation.
Preferably, the location measurement information that before occurring according to described handover event, mobile phone users is corresponding finds the sector belonging to each handover event to comprise: the antenna angle of arrival corresponding to handover event finds the sector belonging to each handover event.
Preferably, the described step by handover event less for probability of happening in each sector deletion comprises: delete the less handover event of deflection angle probability of happening according to antenna angle of arrival; The handover event less with the distance probability of happening between community according to the Timing Advance deletion of mobile terminal reporting.
Preferably, described averaging to the location measurement information corresponding to handover event remaining in each sector comprises: average respectively to the Timing Advance of the mobile terminal reporting corresponding to handover event remaining in each sector, antenna angle of arrival and time of reception deviation.
Preferably, before described each handover event generation, the location measurement information of mobile phone users is specially: closest to the location measurement information of the mobile phone users of handover event time of origin before each handover event occurs.
Preferably, the angle between adjacent two rays is 1 ~ 30 degree.
Preferably, the angle between adjacent two rays is 5 degree.
Preferably, according to connecting the average switching point of each sector and the base station location corresponding with community successively clockwise or counterclockwise, the handoff boundary of this community is obtained.
On the other hand, present invention also offers a kind of determining device of TD-SCDMA cell merge border, comprising:
Information acquisition device, the hand off signaling corresponding for collection network Ce Yuge community and the location measurement information of each mobile phone users;
Memory, for preserving the location measurement information of the hand off signaling corresponding with each community and each mobile phone users described in the collection of described information acquisition device;
Cell selection unit, does not determine the community of handoff boundary for selecting one and sends processing signals to processor;
Processor, for receiving described processing signals and determining the handover event corresponding with the community that described cell selection unit is selected according to the hand off signaling preserved in described memory, and finds each handover event that the location measurement information of front mobile phone users occurs; Centered by this subdistrict position, horizontally outward extend many rays, the region being the center of circle with described center is divided into multiple sector; The location measurement information that before occurring according to described handover event, mobile phone users is corresponding finds the sector belonging to each handover event; Handover event less for probability of happening in each sector is deleted, and the location measurement information corresponding to handover event remaining in each sector is averaged, obtain the average switching point position of each sector; The average switching point connecting each sector successively obtains the handoff boundary of this community, sends cell merge border and has determined that signal is to cycling element;
Cycling element, for receiving after described cell merge border determines signal, judging whether have the community determining handoff boundary in all communities or not, if do not had, then sending circulation end signal; If had, then return cycle signal to described cell selection unit.
(3) beneficial effect
The hand off signaling of the present invention mainly through Real-time Collection network side magnanimity and the location measurement information etc. of each cellphone subscriber, se ctor partition is carried out to peripheral region, community, determine the sector described in each handover event, and then determine the handoff boundary of community all directions, there is real-time good, the advantage that accuracy is high.
Accompanying drawing explanation
Fig. 1 is the flow chart of the defining method according to a kind of TD-SCDMA cell merge of embodiment of the present invention border;
Fig. 2 is the flow chart of the defining method with the another kind of TD-SCDMA cell merge border of the embodiment of the present invention;
Fig. 3 is the cell merge border schematic diagram obtained according to the defining method on a kind of TD-SCDMA cell merge of embodiment of the present invention border;
Fig. 4 is the structured flowchart of the determining device according to a kind of TD-SCDMA cell merge of embodiment of the present invention border.
Embodiment
Below in conjunction with drawings and Examples, that the present invention is described in detail is as follows.
Figure 1 shows that the flow chart of the defining method on a kind of TD-SCDMA cell merge of the present embodiment border, comprise the following steps:
S110: Real-time Collection also preserves the location measurement information of the network side hand off signaling corresponding with each community and each mobile phone users;
S120: select a community not determining handoff boundary;
S130: the hand off signaling according to preserving determines the handover event corresponding with this community, and find each handover event that the location measurement information of front mobile phone users occurs;
S140: centered by this subdistrict position, horizontally outward extends many rays, and the region being the center of circle with described center is divided into multiple sector;
S150: the location measurement information that before occurring according to described handover event, mobile phone users is corresponding finds the sector belonging to each handover event;
S160: handover event less for probability of happening in each sector is deleted, and the location measurement information corresponding to handover event remaining in each sector is averaged, obtain the average switching point position of each sector;
S170: connect the handoff boundary that the average switching point of each sector and the base station location corresponding with community obtain this community successively;
S180: judge whether have the community determining handoff boundary in all communities or not, if do not had, then method terminates; If had, then turn back to the step that the community of handoff boundary is not determined in described selection one.
The present embodiment is by the hand off signaling of Real-time Collection network side magnanimity and the location measurement information etc. of each cellphone subscriber, se ctor partition is carried out to peripheral region, community, determine the sector described in each handover event, and then determine the handoff boundary of community all directions, there is real-time good, the advantage that accuracy is high, thus provide the basic basis of the network optimization for radio network optimization personnel.
Figure 2 shows that the flow chart of the defining method on the another kind of TD-SCDMA cell merge border of the present embodiment.
The present embodiment includes each step embodiment illustrated in fig. 1, but more specifically:
In the present embodiment, the location measurement information of described mobile phone users comprises: Timing Advance (the Timing Advance of mobile terminal reporting, TA), antenna angle of arrival (Angle OfArrival, and time of reception deviation (RX Timing Deviation, RxTd) AOA).Wherein, described RxTd is for revising TA.
In the present embodiment, the described location measurement information front mobile phone users occurring corresponding according to described handover event finds the step of the sector belonging to each handover event to comprise: the AOA corresponding to handover event finds the sector belonging to each handover event.
In the present embodiment, the described step by handover event less for probability of happening in each sector deletion comprises: delete the less handover event of deflection angle probability of happening according to AOA; The handover event less with the distance probability of happening between community according to TA deletion.
In the present embodiment, described averaging to the location measurement information corresponding to handover event remaining in each sector comprises: average respectively to TA, the AOA corresponding to handover event remaining in each sector and time of reception deviation.
In the present embodiment, before described each handover event generation, the location measurement information of mobile phone users is specially: closest to the location measurement information of the mobile phone users of handover event time of origin before each handover event occurs.
Angle between described adjacent two rays is 1 ~ 30 degree, and in the present embodiment, preferably, the angle between adjacent two rays is 5 degree.
In the present embodiment, according to connecting the average switching point of each sector and the base station location corresponding with community successively clockwise or counterclockwise, the handoff boundary of this community is obtained.
Figure 3 shows that the cell merge border schematic diagram that the method for the present embodiment obtains.In the present embodiment, network comprises three communities, be respectively community A, community B and community C, the position 320 of these three communities overlaps (position of community also overlaps with respective base station position), and three line segments becoming Y shape to distribute wherein extended outward by the position 320 of community represent the signal radiation direction of each community respectively.For to determine the handoff boundary that community B carries out shown in Fig. 3.Wherein adjacent two rays such as, angle between ray A1 and A2 is 5 degree, the position 330 of the handover event corresponding with community B is distributing more with side, beta radiation direction, community, substantially do not have with radiation direction opposite side, after handover event is deleted, the average switching point 310 obtaining each sector is having distribution from the sector between ray A2 to A8, connects these average switching point 310 and base station locations successively, obtains handoff boundary shown in dotted lines in Figure 3.
Fig. 4 realizes the structural representation of the determining device on the TD-SCDMA cell merge border of method shown in Fig. 1 or Fig. 2 for the present embodiment is a kind of, described device comprises:
Information acquisition device 410, the hand off signaling corresponding for collection network Ce Yuge community and the location measurement information of each mobile phone users;
Memory 420, for preserving the location measurement information of the hand off signaling corresponding with each community and each mobile phone users described in the collection of described information acquisition device 410;
Cell selection unit 430, does not determine the community of handoff boundary for selecting one and sends processing signals to processor 440;
Processor 440, for receiving described processing signals and determining the handover event corresponding with the community that described cell selection unit is selected according to the hand off signaling preserved in described memory 420, and find each handover event that the location measurement information of front mobile phone users occurs; Centered by this subdistrict position, horizontally outward extend many rays, the region being the center of circle with described center is divided into multiple sector; The location measurement information that before occurring according to described handover event, mobile phone users is corresponding finds the sector belonging to each handover event; Handover event less for probability of happening in each sector is deleted, and the location measurement information corresponding to handover event remaining in each sector is averaged, obtain the average switching point position of each sector; The average switching point connecting each sector successively obtains the handoff boundary of this community, sends cell merge border and has determined that signal is to cycling element 450;
Cycling element 450, for receiving after described cell merge border determines signal, judging whether have the community determining handoff boundary in all communities or not, if do not had, then sending circulation end signal; If had, then return cycle signal to described cell selection unit 430.
The present embodiment is by the hand off signaling of Real-time Collection network side magnanimity and the location measurement information etc. of each cellphone subscriber, se ctor partition is carried out to peripheral region, community, determine the sector described in each handover event, and then determine the handoff boundary of community all directions, there is real-time good, the advantage that accuracy is high, thus provide the basic basis of the network optimization for radio network optimization personnel.
Above execution mode is only for illustration of the present invention; and be not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (10)
1. the defining method on TD-SCDMA cell merge border, is characterized in that, comprises the following steps:
Real-time Collection also preserves the location measurement information of the network side hand off signaling corresponding with each community and each mobile phone users;
Select a community not determining handoff boundary;
Hand off signaling according to preserving determines the handover event corresponding with this community, and finds each handover event that the location measurement information of front mobile phone users occurs;
Centered by this subdistrict position, horizontally outward extend many rays, the region being the center of circle with described center is divided into multiple sector;
The location measurement information that before occurring according to described handover event, mobile phone users is corresponding finds the sector belonging to each handover event;
Handover event less for probability of happening in each sector is deleted, and the location measurement information corresponding to handover event remaining in each sector is averaged, obtain the average switching point position of each sector;
Connect the handoff boundary that the average switching point of each sector and the base station location corresponding with community obtain this community successively;
Judge whether have the community determining handoff boundary in all communities or not, if do not had, then method terminates; If had, then turn back to the step that the community of handoff boundary is not determined in described selection one.
2. the defining method on TD-SCDMA cell merge border as claimed in claim 1, it is characterized in that, the location measurement information of described mobile phone users comprises: the Timing Advance of mobile terminal reporting, antenna angle of arrival and time of reception deviation.
3. the defining method on TD-SCDMA cell merge border as claimed in claim 2, it is characterized in that, the location measurement information that before occurring according to described handover event, mobile phone users is corresponding finds the sector belonging to each handover event to comprise: the antenna angle of arrival corresponding to handover event finds the sector belonging to each handover event.
4. the defining method on TD-SCDMA cell merge border as claimed in claim 2, it is characterized in that, the described step by handover event less for probability of happening in each sector deletion comprises: delete the less handover event of deflection angle probability of happening according to antenna angle of arrival; The handover event less with the distance probability of happening between community according to the Timing Advance deletion of mobile terminal reporting.
5. the defining method on TD-SCDMA cell merge border as claimed in claim 2, it is characterized in that, described averaging to the location measurement information corresponding to handover event remaining in each sector comprises: average respectively to the Timing Advance of the mobile terminal reporting corresponding to handover event remaining in each sector, antenna angle of arrival and time of reception deviation.
6. the defining method on TD-SCDMA cell merge border as claimed in claim 1, it is characterized in that, before described each handover event occurs, the location measurement information of mobile phone users is specially: closest to the location measurement information of the mobile phone users of handover event time of origin before each handover event occurs.
7. the defining method on TD-SCDMA cell merge border as claimed in claim 1, it is characterized in that, the angle between adjacent two rays is 1 ~ 30 degree.
8. the defining method on TD-SCDMA cell merge border as claimed in claim 7, it is characterized in that, the angle between adjacent two rays is 5 degree.
9. the defining method on TD-SCDMA cell merge border as claimed in claim 1, is characterized in that, according to connecting the average switching point of each sector and the base station location corresponding with community successively clockwise or counterclockwise, obtains the handoff boundary of this community.
10. the determining device on TD-SCDMA cell merge border, is characterized in that, comprising:
Information acquisition device, the hand off signaling corresponding for collection network Ce Yuge community and the location measurement information of each mobile phone users;
Memory, for preserving the location measurement information of the hand off signaling corresponding with each community and each mobile phone users described in the collection of described information acquisition device;
Cell selection unit, does not determine the community of handoff boundary for selecting one and sends processing signals to processor;
Processor, for receiving described processing signals and determining the handover event corresponding with the community that described cell selection unit is selected according to the hand off signaling preserved in described memory, and finds each handover event that the location measurement information of front mobile phone users occurs; Centered by this subdistrict position, horizontally outward extend many rays, the region being the center of circle with described center is divided into multiple sector; The location measurement information that before occurring according to described handover event, mobile phone users is corresponding finds the sector belonging to each handover event; Handover event less for probability of happening in each sector is deleted, and the location measurement information corresponding to handover event remaining in each sector is averaged, obtain the average switching point position of each sector; Connect the handoff boundary that the average switching point of each sector and the base station location corresponding with community obtain this community successively, send cell merge border and determined that signal is to cycling element;
Cycling element, for receiving after described cell merge border determines signal, judging whether have the community determining handoff boundary in all communities or not, if do not had, then sending circulation end signal; If had, then return cycle signal to described cell selection unit.
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| CN106792943B (en) * | 2016-12-30 | 2019-10-15 | 广东海格怡创科技有限公司 | High-speed rail private network cell switches point detecting method and system |
| CN110933683B (en) * | 2019-12-13 | 2021-05-18 | 智慧足迹数据科技有限公司 | Signal coverage range determining method and device, electronic equipment and readable storage medium |
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| CN101340691A (en) * | 2008-08-12 | 2009-01-07 | 中国移动通信集团江苏有限公司 | Method for accurately obtaining boundary area of mobile communication system by signalling |
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| JP2007524326A (en) * | 2004-03-02 | 2007-08-23 | サムスン エレクトロニクス カンパニー リミテッド | Handover method between different systems of dual mode-duplex band mobile terminal |
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| CN101340691A (en) * | 2008-08-12 | 2009-01-07 | 中国移动通信集团江苏有限公司 | Method for accurately obtaining boundary area of mobile communication system by signalling |
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