CN101370235B - Tracing region merging method and tracing region separating method - Google Patents
Tracing region merging method and tracing region separating method Download PDFInfo
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- CN101370235B CN101370235B CN200710140597XA CN200710140597A CN101370235B CN 101370235 B CN101370235 B CN 101370235B CN 200710140597X A CN200710140597X A CN 200710140597XA CN 200710140597 A CN200710140597 A CN 200710140597A CN 101370235 B CN101370235 B CN 101370235B
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Abstract
The invention discloses a method of combining tracking area and a method of separating the tracking area; wherein, the method of combining tracking area comprises the following steps: S202, during the observation time, evolution packet center counting the act statistical data of all the user equipment in the managed tracking area; S204, judging whether the time of changing the tracking area of most user equipment is higher that the multiple tracking areas of combined threshold of the tracking area; S206, if it is, the evolution packet center combining the multiple tracking areas. The invention is able to reduce the network source wastage and avoid the unreasonable TA exchange.
Description
Technical field
The present invention relates to the communications field, relate more specifically to a kind of trace regions merging method and trace regions and separate method.
Background technology
Long Term Evolution (Long Term Evolution is described among the 36300-800; Abbreviation LTE) network is by UMTS Terrestrial radio access network (the Evolved UMTS TerrestrialRadio Access Network of evolution; Be called for short E-UTRAN) base station (Evolved NodeB; Be called for short eNB) and evolution packet switching center (Evolved Packet Core is called for short EPC) composition, the network flattening.Wherein, E-UTRAN comprises the set of the eNB that is connected through the S1 interface with EPC, can connect through X2 interface between the eNB.S1, X2 are logic interfacing.An EPC can manage one or more eNB, and an eNB also can be controlled by a plurality of EPC, and an eNB can manage one or more sub-districts.
Regulation among the TR 23.882, (Radio AccessNetwork is unified with core net (Center Network, be called for short CN) to the definition of trace regions (Tracking Area, abbreviation TA) RAN) to wireless access network in the LTE system.TA is exactly the set of cells that subscriber equipment (User Equipment is called for short UE) is registered under the LTE_IDLE pattern, also be the paged set of cells that arrives of UE ability in incoming communications, and TA has unique identifier.Point out among the 3GPP TR R3.018 that network side can obtain the position of UE under the LTE_IDLE pattern according to the TA granularity.Beep-page message is that initiate all sub-districts in TA (s) scope of UE registration.Each sub-district is only unique to belong to a TA.Always upgraded by the UE trigger position, UE can report the TA tabulation in renewal process, and the TA tabulation that each UE reports is different.Fig. 1 is the TA sketch map of LTE network.
TA when being in the TA border in order to reduce the TA renewal, particularly to reduce UE upgrades, and can carry out a reasonably planning to TA according to UE speed or mobile vector, lets the TA scope meet UE current active scope as far as possible.Mitsubishi Electric has proposed a kind of TA list information and the scope of activities statistics of UE in a period of time that reports according to UE and has judged the TA scope that this UE is movable; Plan the TA tabulation of this UE according to UE current active scope; Upgrade (Tracking Area Update is called for short TAU) process notice UE through trace regions.
At present, TA is fixedly installed according to base station geographic position, network planning demand by operator at the network planning initial stage, in the network operation, does not change.
Can there be following problem in TA management method according to present:
Because in the time of network initial stage configuration TA is not very accurate, the situation that mispairing mismatches possibly occur yet, and causes the TA unreasonable allocation, this zone in the TA of UE upgrade too frequent, waste Internet resources and consumption terminal power supply;
Because TA fixedly installs at network side; Network can't carry out self-optimizing to this parameter in long-time running; The setting of TA parameter can't be consistent with the UE behavior pattern in the real network; Cause UE to carry out switching between unnecessary TA for the big UE of moving range, little UE then causes the paging range of UE excessive for moving range, causes the network redundancy load.
Summary of the invention
One or more problems in view of the above the invention provides a kind of trace regions merging method and trace regions and separate method.
According to trace regions merging method of the present invention, may further comprise the steps: S202, in observation time, evolution bag center is to being added up by the behavioral statistics data of all subscriber equipmenies under the trace regions of its management; S204, the number of times that judges whether to exist the trace regions of the most of subscriber equipment under it to switch betwixt according to statistics surpasses a plurality of trace regions that trace regions merges thresholding; And S206, if judged result is for being that then evolution bag center merges a plurality of trace regions.
Wherein, if the configuration of the backstage at evolution bag center allows a plurality of trace regions are merged automatically, then evolution bag center directly merges a plurality of trace regions; Otherwise whether the situation that evolution bag center need merge a plurality of trace regions to user's report of backstage operating equipment through consistency operation equipment is merged a plurality of trace regions by user's decision of consistency operation equipment.Trace regions merging method according to the present invention goes in the long evolving system.
Trace regions according to the present invention is separated method, may further comprise the steps: S302, and in observation time, evolution bag center is to being added up by the behavioral statistics data of all subscriber equipmenies under the trace regions of its management; S304 judges whether to exist the number of times that the trace regions of the most of subscriber equipment under it is switched betwixt to be lower than a plurality of trace regions that trace regions is separated thresholding according to statistics; And S306, if judged result is for being that then evolution bag center is to one or more the separating in a plurality of trace regions.
Wherein, if the backstage at evolution bag center configuration allows one or more in a plurality of trace regions are separated automatically, then evolution bag center is directly to one or more the separating in a plurality of trace regions; Otherwise evolution bag center need be to the one or more situation of separating in a plurality of trace regions to user's report of backstage operating equipment through consistency operation equipment, by user's decision of consistency operation equipment whether to one or more the separating in a plurality of trace regions.Wherein, the distribution of the subscriber equipment under the trace regions of separating as required of evolution bag center and/or the trace regions that scope of activities is separated needs are separated.The trace regions method of separating according to the present invention goes in the long evolving system.
In sum; The present invention utilizes handover information between UE behavioral statistics information that network side gets access to and TA, makes EPC close planning and the met in practice of TA, has reduced the TA renewal process that is in the TA border; Thereby reduced network resources waste, avoided the switching between irrational TA.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the TA sketch map in the LTE network;
Fig. 2 is the schematic flow sheet according to the trace regions merging method of the embodiment of the invention; And
Fig. 3 is the schematic flow sheet of the method for separating according to the trace regions of the embodiment of the invention.
Embodiment
With reference to accompanying drawing, specify embodiment of the present invention below.
With reference to figure 2, the trace regions merging method according to the embodiment of the invention is described.Wherein, when the network planning, TA is carried out initial setting up, and TA is carried out initial setting up observing time.Wherein, TA can look the demand of operator and decide observing time, considers network operation stability simultaneously, and suggestion can be one month, also can be several months.As shown in Figure 2, this trace regions merging method may further comprise the steps:
S202, after the network operation, EPC the TA that is provided with in observing time to adding up by the behavioral statistics data of all UE under the TA of its management.For example, the UE number under the TAi is designated as UESumi, the TA update times that UEx carries out between TA is added up, be designated as Tijx.Wherein, i, j represent the source TA of UE in the TA renewal process and the sign of target TA.
S204 analyzes the UE behavioral statistics data of obtaining, and judges whether the TA update times of most of UE between TAi and TAj surpasses TA merging thresholding under TAi and the TAj.For example, represent that with MHTij the TA between TAi and the TAj merges thresholding, the configuration on the backstage can be revised according to network demand by operator.Represent that with UEMSumij the number of the UE that TAi and TAj merging needs satisfy accounts for the number of all UE under TAi and the TAj.If Tijx＞MHTij, then Count adds 1, and wherein the scope of x is 1～UESumi.
S206 if the TA update times of most of UE between TAi and TAj surpassed TA merging thresholding under TAi and the TAj, then merges TAi and TAj.That is to say, if Count＞UEMSumij then merges TAi and TAj.
Wherein, can dispose according to the backstage of EPC and judge whether to automatically perform TA and merge.If the backstage is configured to automatically perform, then EPC merges TAi and TAj, and the change backstage shows; Otherwise EPC shows the result of decision that TAi and TAj merge on the backstage, and adjudicates whether carry out manual merging on the backstage by operator.
With reference to figure 3, explain according to the trace regions of the embodiment of the invention and separate method.Wherein, when the network planning, TA is carried out initial setting up, and TA is carried out initial setting up observing time.Wherein, TA can look the demand of operator and decide observing time, considers network operation stability simultaneously, and suggestion can be one month, also can be several months.As shown in Figure 3, this trace regions method of separating may further comprise the steps:
S302, after the network operation, EPC adds up the behavioral statistics data of all UE under the TA of management in observing time at the TA that is provided with.For example, UE numbers all under the TAi is designated as UESumi, the TA update times that UEx carries out between TA is added up, be designated as Tijx.Wherein, i, j represent the source TA of UE in the TA renewal process and the sign of target TA.
S304 analyzes the UE behavioral statistics data of obtaining, and judges whether the TA update times of most of UE between TAi and TAj is lower than TA under TAi and the TAj to separate thresholding.For example, represent that with DHTij TAi and TAj separate thresholding, the configuration on the backstage can be revised according to network demand by operator.Represent that with UEDSumi number that TAi separates the UE that needs satisfy accounts for the number of all UE under the TAi.Tijx＜DHTij, then Count adds 1, and wherein the scope of x is 1～UESumi,
S306 if the TA update times of most of UE between TAi and TAj is lower than TA and separates thresholding under TAi and the TAj, then separates TAi and TAj.For example, if Count＞UEDSumij thinks that then TAi and TAj need separate.Wherein, can rationally separate, under satisfying most of UE scope of activities, UE as much as possible is divided among the TA according to UE scope of activities and distribution.
Wherein, if the backstage of EPC is configured to automatic alter mode, then TAi is separated and be TAk, TAl ..., the TA number of separating can dispose on the backstage, and the suggestion of this instantiation is 2, and shows on the backstage; If the backstage of EPC is configured to non-automatic alter mode, then court verdict is shown on the backstage whether separate according to this TAi of self-demand decision by operator.
The change of network side TA because the UE of LTE_IDLE pattern can broadcast by the cycle interception system, is just registered sub-district for the not influence of UE of idle (IDLE) state again.UE tabulates with the own TA that preserves according to reading system broadcasting TA to compare, if change or not in scope, with regard to last renewal.For the ongoing UE of business also not influence.Because the TA that professional ongoing UE deposits tabulation can not change, and the UE in the handoff procedure is concerned about Target cell and is indifferent to TA, therefore to not influence of handoff procedure; After the UE business has been broken; Get back to the LTE_IDLE pattern,, upgrade so can carry out TA at once because TA changes in the system broadcasts.To just the UE in paging is influential, can produce paging less than phenomenon, but after can recover after going up cell update.In current UTRAN system,, equally also can cause the paging failure phenomenon if UE has come paging in doing the process of location area updating.
In sum; The present invention utilizes handover information between UE behavioral statistics information that network side gets access to and TA, makes EPC close planning and the met in practice of TA, has reduced the TA renewal process that is in the TA border; Thereby reduced network resources waste, avoided the switching between irrational TA.Be not only applicable to the LTE system according to the trace regions merging of the present invention and/or the method for separating, be applicable to any GSM (WCDMA, TDSCDMA, GSM, CDMA2000) that comprises the management of paging territory yet.
The above is merely embodiments of the invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.
Claims (9)
1. a trace regions merging method is characterized in that, may further comprise the steps:
S202, in observation time, evolution bag center is to being added up by the behavioral statistics data of all subscriber equipmenies under the trace regions of its management;
S204, the number of times that judges whether to exist the trace regions of the most of subscriber equipment under it to switch betwixt according to statistics surpasses a plurality of trace regions that trace regions merges thresholding; And
S206 is if judged result is for being that then said evolution bag center merges said a plurality of trace regions.
2. trace regions merging method according to claim 1; It is characterized in that; If the configuration of the backstage at said evolution bag center allows said a plurality of trace regions are merged automatically, then said evolution bag center directly merges said a plurality of trace regions.
3. trace regions merging method according to claim 1 and 2; It is characterized in that; If the configuration of the backstage at said evolution bag center does not allow said a plurality of trace regions are merged automatically; Whether the situation that then said evolution bag center need merge said a plurality of trace regions to user's report of said consistency operation equipment through consistency operation equipment is merged said a plurality of trace regions by user's decision of said consistency operation equipment.
4. trace regions merging method according to claim 3 is characterized in that said method is applicable in the long evolving system.
5. a trace regions is separated method, it is characterized in that, may further comprise the steps:
S302, in observation time, evolution bag center is to being added up by the behavioral statistics data of all subscriber equipmenies under the trace regions of its management;
S304 judges whether to exist the number of times that the trace regions of the most of subscriber equipment under it is switched betwixt to be lower than a plurality of trace regions that trace regions is separated thresholding according to statistics; And
S306 is if judged result is for being that then said evolution bag center is to one or more the separating in said a plurality of trace regions.
6. trace regions according to claim 5 is separated method; It is characterized in that; If the backstage at said evolution bag center configuration allows one or more in said a plurality of trace regions are separated automatically, then said evolution bag center is directly to one or more the separating in said a plurality of trace regions.
7. separate method according to claim 5 or 6 described trace regions; It is characterized in that; If the backstage at said evolution bag center configuration does not allow one or more in said a plurality of trace regions are separated automatically; Then said evolution bag center need be to the one or more situation of separating in said a plurality of trace regions to user's report of said consistency operation equipment through consistency operation equipment, by user's decision of said consistency operation equipment whether to one or more the separating in said a plurality of trace regions.
8. trace regions according to claim 7 is separated method, it is characterized in that, the distribution of the subscriber equipment under the trace regions that separate as required at said evolution bag center and/or the trace regions that scope of activities is separated said needs are separated.
9. trace regions according to claim 8 is separated method, it is characterized in that, said method is applicable in the long evolving system.
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| WO2010105421A1 (en) * | 2009-03-18 | 2010-09-23 | 华为技术有限公司 | Method, apparatus and system for partitioning a tracking area |
| CN102149194B (en) * | 2011-03-21 | 2013-07-24 | 大唐移动通信设备有限公司 | Determining method and device for tracking area list |
| WO2016010523A1 (en) * | 2014-07-15 | 2016-01-21 | Nokia Solutions And Networks Oy | Distributed implementation of self-organizing tracking areas |
| CN111083754B (en) * | 2019-11-27 | 2021-11-16 | 成都天奥集团有限公司 | Method for maintaining terminal tracking area irrelevant to cell switching under low-earth-orbit satellite communication system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6112097A (en) * | 1996-12-23 | 2000-08-29 | Telefonaktiebolaget Lm Ericsson | Location area management |
| EP1715715A1 (en) * | 2005-04-19 | 2006-10-25 | Vodafone Group PLC | Load balancing in a communication network |
| EP1783962A1 (en) * | 2005-11-07 | 2007-05-09 | Alcatel Lucent | A method for configuring a mobile communication network with tracking areas |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6112097A (en) * | 1996-12-23 | 2000-08-29 | Telefonaktiebolaget Lm Ericsson | Location area management |
| EP1715715A1 (en) * | 2005-04-19 | 2006-10-25 | Vodafone Group PLC | Load balancing in a communication network |
| EP1783962A1 (en) * | 2005-11-07 | 2007-05-09 | Alcatel Lucent | A method for configuring a mobile communication network with tracking areas |
Non-Patent Citations (1)
| Title |
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| 李文宇.移动通信系统的长期演进――无线网络结构和协议.《电信科学》.2006,(第06期),29-33页. * |
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