CN107404760B - A kind of Location Area Identification list TAI LIST distribution method and system - Google Patents
A kind of Location Area Identification list TAI LIST distribution method and system Download PDFInfo
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- CN107404760B CN107404760B CN201610340948.0A CN201610340948A CN107404760B CN 107404760 B CN107404760 B CN 107404760B CN 201610340948 A CN201610340948 A CN 201610340948A CN 107404760 B CN107404760 B CN 107404760B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/04—User notification, e.g. alerting and paging, for incoming communication, change of service or the like multi-step notification using statistical or historical mobility data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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Abstract
The present invention provides a kind of Location Area Identification list TAI LIST distribution method and systems, wherein the described method includes: determining that radius is the position area TA within the scope of R according to the location information of user equipment (UE)；Determine the central point of each TA；The distance between the central point for calculating the UE Yu each TA, obtains distance results；According to the distance results, distance is selected to meet the TA of established standards distance；The TA for meeting established standards distance according to the distance of selection determines the TAI LIST.Solves the position area TA that how to make rational planning for through the invention, the problem of to reduce signaling overheads and traffic overhead.
Description
Technical field
The present invention relates to field of communication technology, more particularly to a kind of Location Area Identification list TAI LIST distribution method and
System.
Background technique
Location management is a critical function of cellular network.In mobile communication system, it is all devised for terminal device
The concept of the band of position, such as GSM (Global System for Mobile Communication, global mobile communication system
System) position in/UMTS (Universal Mobile Telecommunications System, Universal Mobile Communication System)
Area (Location Area) and Route Area (Routing Area).The setting of the band of position is for managing the mobility of user.Core
Heart net can within the scope of the band of position of restriction call terminal, and avoid paging in the entire network.
LTE (Long Term Evolution, long term evolution) is by 3GPP (The 3rd Generation
Partnership Project, third generation partner program) long term evolution of UMTS technical standard organized to set up.In SAE
In (System Architecture Evolution, System Architecture Evolution) newest agreement (3GPP TS 23.401), definition
The concept of the similar band of position, this band of position are known as position area TA, Tracking Area.
EPC (Evolved Packet System, the grouping system of evolution) is to being in idle condition and the UE of connection status
(User Equipment, user equipment) will be managed the TA that it is registered, and the planning of TA size is a common net
Network engineering problem involves the problem of network updates signaling overheads and radio call signaling overheads: if TA planning is too small, using
Family terminal can bring a large amount of TA renewal process when mobile, to generate very high update signaling overheads；On the other hand, if TA
That plans is too big, and all cells in TA will have in a large amount of traffic overhead of paging channel processing.
As it can be seen that the problem of those skilled in the art's urgent need to resolve is: how make rational planning for position area TA, is opened with reducing signaling
The problem of pin and traffic overhead.
Summary of the invention
The present invention provides a kind of Location Area Identification list TAI LIST distribution method and system, to solve how to make rational planning for
Position area TA, the problem of to reduce signaling overheads and traffic overhead.
To solve the above-mentioned problems, the invention discloses a kind of Location Area Identification list TAI LIST distribution methods, comprising:
According to the location information of user equipment (UE), determine that radius is the position area TA within the scope of R；
Determine the central point of each TA；
The distance between the central point for calculating the UE Yu each TA, obtains distance results；
According to the distance results, distance is selected to meet the TA of established standards distance；
The TA for meeting established standards distance according to the distance of selection determines the TAI LIST.
The invention also discloses a kind of Location Area Identification list TAI LIST distribution systems, comprising:
First determining module determines that radius is the position area within the scope of R for the location information according to user equipment (UE)
TA；
Second determining module, for determining the central point of each TA；
Computing module obtains distance results for calculating the distance between the central point of the UE Yu each TA；
Selecting module, for selecting distance to meet the TA of established standards distance according to the distance results；
Third determining module meets the TA of established standards distance for the distance according to selection, determines the TAI LIST.
Compared with prior art, the present invention includes the following advantages:
A kind of Location Area Identification list TAI LIST (Tracking Area Identity List) disclosed by the invention point
With scheme, it can determine that radius is the position area TA within the scope of R according to the location information of user equipment (UE)；Then, according to UE with
The distance between central point of each TA selects the TA for meeting established standards distance；It is set finally, being met according to the distance of selection
The TA of gauged distance determines TAI LIST.As it can be seen that through the invention the scheme can according to the location information and UE of UE with
The distance between the central point of each TA carrys out reasonable distribution TAI LIST, and then can be realized according to the TA in TAI LIST to end
The paging at end improves the accuracy to paging terminal.Secondly, the reasonable distribution of TAI LIST reduces signaling overheads and business
Expense.
Detailed description of the invention
Fig. 1 is a kind of step flow chart of Location Area Identification list TAI LIST distribution method in the embodiment of the present invention one；
Fig. 2 is a kind of step flow chart of Location Area Identification list TAI LIST distribution method in the embodiment of the present invention two；
Fig. 3 is a kind of step flow chart of Location Area Identification list TAI LIST distribution method in the embodiment of the present invention three；
Fig. 4 is a kind of TA distribution map in the embodiment of the present invention three；
Fig. 5 is a kind of structural block diagram of Location Area Identification list TAI LIST distribution system in the embodiment of the present invention four；
Fig. 6 is a kind of structural frames of preferred Location Area Identification list TAI LIST distribution system in the embodiment of the present invention four
Figure.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Embodiment one
Referring to Fig.1, a kind of step of Location Area Identification list TAI LIST distribution method in the embodiment of the present invention one is shown
Rapid flow chart.In the present embodiment, the Location Area Identification list TAI LIST distribution method includes:
Step 102, according to the location information of user equipment (UE), determine that radius is the position area TA within the scope of R.
TA can simply be defined as one group of continuous cell.In EPS, all cells under a base station be may belong to not
Same TA, is also possible to the cell under multiple base stations and belongs to the same TA, TA is not overlapped.
In the present embodiment, a border circular areas can be determined by radius of R, in institute using the location information of UE as the center of circle
Stating in border circular areas may include one or more TA.
Step 104, the central point of each TA is determined.
In the present embodiment, the central point of one or more TA in border circular areas can be determined.
Step 106, the distance between the central point for calculating the UE Yu each TA, obtains distance results.
It in the present embodiment, can be using any one mode appropriate to the distance between the central point of UE and each TA
It is calculated.For example, due to the UE location information it is known that the central point of TA it is known that therefore, distance between two points can be passed through
Formula successively calculates the distance between the central point of UE Yu each TA.
Step 108, according to the distance results, distance is selected to meet the TA of established standards distance.
In the present embodiment, it can be selected from one or more TA in the border circular areas according to the distance results
An appropriate number of TA.Specifically, next pair of established standards distance whether can be met according to the distance between central point of UE and TA
TA is screened.
Step 110, the TA that established standards distance is met according to the distance of selection determines the TAI LIST.
In the present embodiment, the TA that the distance of selection meets established standards distance can be determined as in the TAI LIST
TA.
In conclusion a kind of Location Area Identification list TAI LIST distribution method described in the present embodiment, can according to
The location information of family equipment UE determines that radius is the position area TA within the scope of R；Then, according to the central point of UE and each TA it
Between distance selection meet the TA of established standards distance；Finally, meeting the TA of established standards distance according to the distance of selection, determine
TAI LIST.As it can be seen that the method can be according to the location information and UE of UE and the central point of each TA through this embodiment
The distance between carry out reasonable distribution TAI LIST, and then can realize the paging to terminal according to the TA in TAI LIST, improve
To the accuracy of paging terminal.Secondly, the reasonable distribution of TAI LIST reduces signaling overheads and traffic overhead.
Embodiment two
Referring to Fig. 2, a kind of step of Location Area Identification list TAI LIST distribution method in the embodiment of the present invention two is shown
Rapid flow chart.In the present embodiment, the Location Area Identification list TAI LIST distribution method includes:
Step 202, pass through GPS (Global Positioning System, global positioning system) and/or network positions
Mode determines the location information of user equipment (UE).
In the present embodiment, the location information of UE can be determined by any one mode appropriate.E.g., including but not
It is only limitted to determine the location information of UE by GPS and/or network positions mode.Wherein, the location information includes but not only
It is limited to: longitude information, dimensional information and temporal information；Wherein, the temporal information is when determining the location information of the UE
Time information.The network positions mode includes but are not limited to: mobile network positioning and WIFI (Wireless-Fidelity,
Wireless Fidelity) positioning etc..
Step 204, the location information of the UE is obtained.
Step 206, according to the location information of user equipment (UE), determine that radius is the position area TA within the scope of R.
In the present embodiment, the value of R can be selected according to the actual situation, wherein a kind of feasible determining R value
Mode can be such that the location information for obtaining two neighboring moment UE, obtain first location information and second location information；Root
According to the first location information, the second location information, and, the first location information corresponding first moment and described
At second location information corresponding second moment, determine the speed V of the UE；According to the speed V of determining UE, determine the R's
Value；Wherein, the R=kV；K is the real number greater than 0.That is, proportional, Ke Yigen between the speed V of radius R and UE
The size of k is selected according to actual conditions, and then determines the specific value of R.
Step 208, the central point of each TA is determined.
Step 210, the distance between the central point for calculating the UE Yu each TA, obtains distance results.
In the present embodiment, the distance between the UE and the central point of each TA can specifically refer to: UE and each TA
Central point between linear distance, for example, can with but be not limited only to calculate the UE by distance between two points calculation formula
The distance between central point of each TA.
Step 212, according to the distance results, distance is selected to meet the TA of established standards distance.
In the present embodiment, the established standards distance can be configured according to the actual situation, for example, can be according to wanting
The quantity of the TA of screening defines the specific value of the established standards distance.Wherein, a kind of selection distance that can be first meets
The mode of the TA of established standards distance, which can be such that, is ranked up the distance between UE and the central point of each TA, is arranged
Sequence result；According to the ranking results, select m a apart from the smallest TA；Wherein, m is the integer greater than 0.In other words, m can
To be selected according to the actual situation.
Step 214, the TA that established standards distance is met according to the distance of selection determines the TAI LIST.
In conclusion a kind of Location Area Identification list TAI LIST (Tracking Area described in the present embodiment
Identity List) distribution method, it can determine that radius is the position area within the scope of R according to the location information of user equipment (UE)
TA；Then, the TA of established standards distance is met according to the selection of the distance between central point of UE and each TA；Finally, according to choosing
The distance selected meets the TA of established standards distance, determines TAI LIST.As it can be seen that the method can basis through this embodiment
The location information and UE of UE and the distance between the central point of each TA carry out reasonable distribution TAI LIST, and then can be according to TAI
TA in LIST realizes the paging to terminal, improves the accuracy to paging terminal.Secondly, the reasonable distribution of TAI LIST drops
Low signaling overheads and traffic overhead.
Embodiment three
In conjunction with above-described embodiment, the present embodiment is by a specific example to the Location Area Identification list TAI LIST points
Method of completing the square is described in detail.Referring to Fig. 3, show Location Area Identification list TAI LIST points a kind of in the embodiment of the present invention three
The step flow chart of method of completing the square.
In the present embodiment, the Location Area Identification list TAI LIST distribution method includes:
Step 302, the location information of UE is obtained.
Step 304, according to the location information of user equipment (UE), determine that radius is the position area TA within the scope of R.
Referring to Fig. 4, a kind of TA distribution map in the embodiment of the present invention three is shown.Wherein, the point A in Fig. 4 indicates the UE
The position at place includes following TA:TA1, TA2, TA3, TA4 and TA5 in circular scope of the center of circle R as radius using A being.
Wherein, define: T1 moment, the position of UE are (X1, Y1)；The position at T2 moment, UE is (X2, Y2), then R can lead to
Under type such as is crossed to determine:
Determine the speed of UE
Then, R=kV.Wherein, k can be any real number greater than 0, the present embodiment to this with no restriction.
Step 306, the central point of TA1, TA2, TA3, TA4 and TA5: B1, B2, B3, B4 and B5 are determined.
Step 308, the distance between UE and B1, B2, B3, B4 and B5 are calculated.
In the present embodiment, the distance between UE and B1, B2, B3, B4 and B5 are respectively as follows: L1, L2, L3, L4 and L5.Its
In, L4 < L5 < L1 < L2 < L3.
Step 310, m TA is selected from TA1, TA2, TA3, TA4 and TA5.
In the present embodiment, for example, the value of m can be defined as 3, then the sequence according to distance from small to large, selects
TA4, TA5 and TA1.
Step 312, TAI LIST is determined according to TA4, TA5 and TA1.
In conclusion a kind of Location Area Identification list TAI LIST (Tracking Area described in the present embodiment
Identity List) distribution method, it can determine that radius is the position area within the scope of R according to the location information of user equipment (UE)
TA；Then, the TA of established standards distance is met according to the selection of the distance between central point of UE and each TA；Finally, according to choosing
The distance selected meets the TA of established standards distance, determines TAI LIST.As it can be seen that the method can basis through this embodiment
The location information and UE of UE and the distance between the central point of each TA carry out reasonable distribution TAI LIST, and then can be according to TAI
TA in LIST realizes the paging to terminal, improves the accuracy to paging terminal.Secondly, the reasonable distribution of TAI LIST drops
Low signaling overheads and traffic overhead.
It should be noted that for the aforementioned method embodiment, for simple description, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described, because according to
According to the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know that,
The embodiments described in the specification are all preferred embodiments, and related movement is not necessarily essential to the invention.
Example IV
Based on showing a kind of position in the embodiment of the present invention four referring to Fig. 5 with the same inventive concept of above method embodiment
Set the structural block diagram of area's identification list TAI LIST distribution system.In the present embodiment, the Location Area Identification list TAI
LIST distribution system includes:
First determining module 402 determines that radius is the position within the scope of R for the location information according to user equipment (UE)
Area TA.
Second determining module 404, for determining the central point of each TA.
Computing module 406 obtains distance results for calculating the distance between the central point of the UE Yu each TA.
Selecting module 408, for selecting distance to meet the TA of established standards distance according to the distance results.
Third determining module 410 meets the TA of established standards distance for the distance according to selection, determines the TAI
LIST。
In a preferred embodiment of the present embodiment, referring to Fig. 6, a kind of preferred position in the embodiment of the present invention four is shown
The structural block diagram of area's identification list TAI LIST distribution system.
Preferably, the value of the R can be determined by following module:
First obtains module 412, for obtaining the location information of two neighboring moment UE, obtains first location information and the
Two location informations.
4th determining module 414, for according to the first location information, the second location information, and, described the
One location information corresponding first moment and the second location information corresponding second moment, determine the speed V of the UE.
5th determining module 416 determines the value of the R for the speed V according to determining UE；Wherein, the R=
kV；K is the real number greater than 0.
Preferably, the system can also include: the second acquisition module 418, and the position for obtaining user equipment (UE) is believed
Breath.
Preferably, the system can also include: locating module 420, for passing through global position system GPS and/or net
Network positioning method determines the location information of the UE；Wherein, the location information includes: longitude information, dimensional information and time
Information；Wherein, the information at the time of temporal information is when determining the location information of the UE.
Preferably, the selecting module 408 can specifically include: sorting sub-module 4082, for pair
The distance between UE and the central point of each TA are ranked up, and obtain ranking results；, it is used for root
According to the ranking results, select m a apart from the smallest TA；Wherein, m is the integer greater than 0.
In conclusion a kind of Location Area Identification list TAI LIST (Tracking Area described in the present embodiment
Identity List) distribution system, it can determine that radius is the position area within the scope of R according to the location information of user equipment (UE)
TA；Then, the TA of established standards distance is met according to the selection of the distance between central point of UE and each TA；Finally, according to choosing
The distance selected meets the TA of established standards distance, determines TAI LIST.As it can be seen that the system can basis through this embodiment
The location information and UE of UE and the distance between the central point of each TA carry out reasonable distribution TAI LIST, and then can be according to TAI
TA in LIST realizes the paging to terminal, improves the accuracy to paging terminal.Secondly, the reasonable distribution of TAI LIST drops
Low signaling overheads and traffic overhead.
For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple
Place illustrates referring to the part of embodiment of the method.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
A kind of Location Area Identification list TAI LIST distribution method provided by the present invention and system have been carried out in detail above
Thin to introduce, used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (8)
1. a kind of Location Area Identification list TAI LIST distribution method characterized by comprising
According to the location information of user equipment (UE), determine that radius is the position area TA within the scope of R, determine as follows described in
The value of R:
The location information for obtaining two neighboring moment UE, obtains first location information and second location information；
According to the first location information, the second location information, and, the first location information corresponding first moment
The second moment corresponding with the second location information determines the speed V of the UE；
According to the speed V of determining UE, the value of the R is determined；Wherein, the R=kV；K is the real number greater than 0；
Determine the central point of each TA；
The distance between the central point for calculating the UE Yu each TA, obtains distance results；
According to the distance results, distance is selected to meet the TA of established standards distance；
The TA for meeting established standards distance according to the distance of selection determines the TAI LIST.
2. selection distance, which meets, to be set the method according to claim 1, wherein described according to the distance results
Determine the TA of gauged distance, comprising:
The distance between UE and the central point of each TA are ranked up, ranking results are obtained；
According to the ranking results, select m a apart from the smallest TA；Wherein, m is the integer greater than 0.
3. -2 described in any item methods according to claim 1, which is characterized in that further include:
Obtain the location information of user equipment (UE).
4. according to the method described in claim 3, it is characterized by further comprising:
The location information of the UE is determined by global position system GPS and/or network positions mode；Wherein, the position letter
Breath includes: longitude information, dimensional information and temporal information；Wherein, the temporal information is when determining the location information of the UE
At the time of information.
5. a kind of Location Area Identification list TAI LIST distribution system characterized by comprising
First determining module determines that radius is the position area TA within the scope of R, leads to for the location information according to user equipment (UE)
Cross the value that following module determines the R:
First acquisition module obtains first location information and the second position for obtaining the location information of two neighboring moment UE
Information；
4th determining module is used for according to the first location information, the second location information, and, the first position
Information corresponding first moment and the second location information corresponding second moment, determine the speed V of the UE；
5th determining module determines the value of the R for the speed V according to determining UE；Wherein, the R=kV；K is big
In 0 real number；
Second determining module, for determining the central point of each TA；
Computing module obtains distance results for calculating the distance between the central point of the UE Yu each TA；
Selecting module, for selecting distance to meet the TA of established standards distance according to the distance results；
Third determining module meets the TA of established standards distance for the distance according to selection, determines the TAI LIST.
6. system according to claim 5, which is characterized in that the selecting module, comprising:
Sorting sub-module obtains ranking results for being ranked up to the distance between UE and the central point of each TA；
Submodule is selected, for selecting m a apart from the smallest TA according to the ranking results；Wherein, m is the integer greater than 0.
7. according to the described in any item systems of claim 5-6, which is characterized in that further include:
Second obtains module, for obtaining the location information of user equipment (UE).
8. system according to claim 7, which is characterized in that further include:
Locating module, for determining the location information of the UE by global position system GPS and/or network positions mode；Its
In, the location information includes: longitude information, dimensional information and temporal information；Wherein, the temporal information is to determine the UE
Location information when at the time of information.
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| JP2005051530A (en) * | 2003-07-29 | 2005-02-24 | Nec Infrontia Corp | Method and system for tracking and transferring positional information |
| CN101291524B (en) * | 2007-04-18 | 2012-04-25 | 电信科学技术研究院 | Tracing area list managing method and apparatus based on location information of cell |
| CN102149107A (en) * | 2010-02-10 | 2011-08-10 | 中国移动通信集团公司 | Method for distributing tracking area list |
| CN103220653B (en) * | 2012-01-18 | 2018-09-25 | 中兴通讯股份有限公司 | The configuration of mobile relay tracing area and location updating method and device |
| TWI566634B (en) * | 2013-03-27 | 2017-01-11 | 宏碁股份有限公司 | Method for managing tracking area identity list and user equipment using the same and communication system using the same |
| CN103810270B (en) * | 2014-01-28 | 2017-04-19 | 广东省电信规划设计院有限公司 | Optimized tracking area partition method and device |
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