CN104540116A - TAL update method and equipment under mobile communication network and based on mechanic operating type - Google Patents
TAL update method and equipment under mobile communication network and based on mechanic operating type Download PDFInfo
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- CN104540116A CN104540116A CN201510004056.9A CN201510004056A CN104540116A CN 104540116 A CN104540116 A CN 104540116A CN 201510004056 A CN201510004056 A CN 201510004056A CN 104540116 A CN104540116 A CN 104540116A
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Abstract
The invention discloses a Tracking Area List (TAL) update method and equipment under a mobile communication network and based on a mechanic operating type. The method includes the steps that a network side device receives signal strength information reported by an UE, wherein the signal strength information includes received signal strength of a current serving cell and received signal strength of neighbor cells; a tracking area (TA) corresponding to the serving cell is added to the TAL by the network side device and the corresponding TA of the neighbor cells with the received signal strength bigger than the difference value between reselection threshold value of the cells and comparison threshold value is added to the TAL; the TAL is sent to the UE by the network side device and stored by the UE. In the embodiment, since it can be avoided that the UE moves beyond the range of the TAL and then triggers location update request, the frequency of initiatively starting location update request of the UE can be reduced. Cost of random access and control signaling brought by sending the location update request can be reduced, and then resource occupation of random access and control signaling is reduced.
Description
Technical field
The present invention relates to wireless mobile telecommunication technology field, especially relate to a kind of based on the TAL update method under the mobile communications network of motor driven base station and equipment.
Background technology
The concept of TAL (Tracking Area List, tracking area list) is introduced in the mobile management of LTE (Long Term Evolution, Long Term Evolution) system.MME (Mobility Management Entity, Mobility Management Entity) distributes a TAL for each UE (User Equipment, subscriber equipment).A TAL comprises multiple TA (Tracking Area, tracking area) usually, and a TA is made up of multiple community usually.When moving in the community that the TA of UE in its TAL comprises, without launch position update request.When UE finds TAI (the Tracking Area Identity of its persistent district, tracking area identification) change and not in current TAL time, to MME launch position update request, notice MME its entered into the new TA coverage of of not being included in current TAL.MME, by obtaining the current location of UE, is that UE upgrades TAL, thus guarantees to obtain the current location of UE and initiate paging in corresponding community.In LTE system, beep-page message needs all communities in all TA in the current TAL of UE to broadcast.
Consider and LTE system is applied to the occasions such as emergency communication, rescue and relief work, military operation, for the needs of quick networking, often adopt vehicle-mounted motor driven base station equipment, and along with the change of mission area, the position of motor driven base station equipment is also constantly changing.Therefore, in the network environment of motor driven base station equipment, there is following problem in current TAL distribution method: because motor driven base station equipment is in motor driven motion, and it is irregular to move, thus cause the multiple neighbor cells being originally configured to identical TA to disperse gradually on geographical position, thus lose the proper sense that TA is used for reflecting adjacent geographical position.
As shown in Figure 1, under the network environment for motor driven base station equipment, TAL distribution effects schematic diagram.Assuming that comprise TA_1 and TA_2 in the TAL of UE, and TA_1 and TA_2 all comprises multiple community.Along with the movement of base station equipment, in TA_1 and TA_2, adjacent community disperses gradually originally.Now, if MME carries out paging according to TAL to UE, more then belong to TA_1 and TA_2 but distance UE community far away also can be broadcasted beep-page message, thus cause the waste of unnecessary paging resource.In addition, the part neighbor cell due to community, UE current place does not belong to TA_1 or TA_2 in the current TAL of UE, therefore meeting trigger position renewal process after UE moves to these communities, consumption stochastic access and control signal resource.
Summary of the invention
The embodiment of the present invention provides a kind of based on the TAL update method under the mobile communications network of motor driven base station and equipment, to reduce occupying Stochastic accessing and control signal resource.
The embodiment of the present invention provides a kind of based on the tracking area list TAL update method under the mobile communications network of motor driven base station, in the mobile communication system that the position being applied to base station equipment constantly changes, said method comprising the steps of:
Network equipment receives the signal strength information of reported by user equipment UE; Wherein, described signal strength information comprises the received signal strength of current service cell and the received signal strength of neighbor cell;
Tracking area TA corresponding for described Serving cell adds in TAL by described network equipment, and received signal strength is greater than the cell reselection threshold value TA corresponding with the neighbor cell of the difference between compare threshold and adds in described TAL; Wherein, each TA only comprises a community;
Described TAL is sent to described UE by described network equipment, stores described TAL by described UE.
Receive in the process of the signal strength information of reported by user equipment UE at described network equipment, described method comprises further: when described UE start shooting and the community selecting received signal strength best resident to network time, described network equipment receives the signal strength information that described UE reports; Or when described UE success is resident after network, described network equipment receives the signal strength information that described UE reports.
Described method comprises further:
At described network equipment, TA corresponding for described Serving cell is added in TAL, and received signal strength is greater than the cell reselection threshold value TA corresponding with the neighbor cell of the difference between compare threshold when adding in described TAL, described network equipment is according to the received signal strength of described Serving cell and the descending order of the received signal strength of described neighbor cell, the TA corresponding to described Serving cell and TA corresponding to described neighbor cell sorts, and according to ranking results, successively TA corresponding for described Serving cell and TA corresponding to described neighbor cell is inserted in described TAL.
Described method comprises further:
The TAL renewal frequency that in described network equipment statistics preset time period, described UE is corresponding;
When described TAL renewal frequency is greater than preset first threshold value, described network equipment increases the quantity of the TA comprised in TAL corresponding to described UE; When described TAL renewal frequency is less than default Second Threshold, described network equipment reduces the quantity of the TA comprised in TAL corresponding to described UE;
Wherein, described preset first threshold value is greater than described default Second Threshold.
Described method comprises further: described network equipment passes through to increase described compare threshold, to increase the quantity of the TA comprised in TAL corresponding to described UE; Described network equipment passes through to reduce described compare threshold, to reduce the quantity of the TA comprised in TAL corresponding to described UE.
The embodiment of the present invention provides a kind of network equipment, and under the mobile communications network based on motor driven base station that the position being applied to base station equipment constantly changes, described network equipment specifically comprises:
Receiver module, for receiving the signal strength information of reported by user equipment UE; Wherein, described signal strength information comprises the received signal strength of current service cell and the received signal strength of neighbor cell;
Processing module, for being added in tracking area list TAL by tracking area TA corresponding for described Serving cell, and is greater than the cell reselection threshold value TA corresponding with the neighbor cell of the difference between compare threshold and adds in described TAL by received signal strength; Wherein, each TA only comprises a community;
Sending module, for described TAL is sent to described UE, stores described TAL by described UE.
Described receiver module, specifically for when described UE start, and the community selecting received signal strength best resident to network time, receive the signal strength information that described UE reports; Or, when described UE success is resident after network, receive the signal strength information that described UE reports.
Described processing module, specifically for TA corresponding for described Serving cell is being added in TAL, and received signal strength is greater than the cell reselection threshold value TA corresponding with the neighbor cell of the difference between compare threshold when adding in described TAL, according to the received signal strength of described Serving cell and the descending order of the received signal strength of described neighbor cell, the TA corresponding to described Serving cell and TA corresponding to described neighbor cell sorts, and according to ranking results, successively TA corresponding for described Serving cell and TA corresponding to described neighbor cell is inserted in described TAL.
Described processing module, also for adding up TAL renewal frequency corresponding to UE in preset time period; When described TAL renewal frequency is greater than preset first threshold value, increase the quantity of the TA comprised in TAL corresponding to UE; When described TAL renewal frequency is less than default Second Threshold, reduce the quantity of the TA comprised in TAL corresponding to UE; Wherein, described preset first threshold value is greater than described default Second Threshold.
Described processing module, is further used for by increasing described compare threshold, to increase the quantity of the TA comprised in TAL corresponding to described UE; By reducing described compare threshold, to reduce the quantity of the TA comprised in TAL corresponding to described UE.
Compared with prior art, the embodiment of the present invention at least has the following advantages: in the embodiment of the present invention, based on the signal strength information that UE reports, TA corresponding for Serving cell adds in TAL by network equipment (as MME), and received signal strength is greater than the cell reselection threshold value TA corresponding with the neighbor cell of the difference between compare threshold and adds in TAL, thus upgrade based on to the TAL of tracking to each UE of UE position, realize the mobile management of UE.Under motor driven base station equipment mobile communications network environment, avoid because motor driven base station equipment is in the problem that multiple neighbor cells that in motor driven motion, the script that causes is configured to identical TA disperse gradually on geographical position.Aforesaid way can make UE always move being positioned at the community corresponding to the TA in the middle of TAL, trigger position update request outside TAL scope is moved to due to UE can be avoided, thus the frequency of UE active launch position update request can be reduced, reduce owing to sending the Stochastic accessing that brings of position updating request and control signal expense, then reduce occupying Stochastic accessing and control signal resource.Aforesaid way can avoid the community distance UE is far away to broadcast beep-page message, thus can avoid the waste causing paging resource.Aforesaid way can carry out the quantity of the TA in dynamic conditioning TAL according to the TAL renewal frequency of UE, thus can reach better balance between system pages signaling consumption and location updating signaling consumption.
Accompanying drawing explanation
In order to the technical scheme of the embodiment of the present invention is clearly described, below the accompanying drawing used required in describing the embodiment of the present invention is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings of the embodiment of the present invention.
Fig. 1 is TAL distribution effects figure under the motor driven base station equipment network environment proposed in prior art;
Fig. 2 is a kind of based on TAL (Tracking Area List, tracking area list) the update method schematic flow sheet under the mobile communications network of motor driven base station of proposition in the embodiment of the present invention one;
Fig. 3 is TAL distribution effects figure under the network environment of motor driven base station equipment in the embodiment of the present invention;
Fig. 4 is the structural representation of a kind of network equipment proposed in the embodiment of the present invention two.
Embodiment
Below in conjunction with the accompanying drawing in the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of embodiment of the present invention protection.
Embodiment one
For problems of the prior art, the embodiment of the present invention one provides a kind of based on the TAL update method under the mobile communications network of motor driven base station, in the mobile communication system that the position that the method is applied to base station equipment constantly changes, this base station equipment is vehicle-mounted motor driven base station equipment, under namely the method is applied to motor driven base station equipment network environment.Under above-mentioned application scenarios, as shown in Figure 2, the tracking area list updating method under this motor driven base station equipment network environment, specifically can comprise the following steps:
Step 201, network equipment receives the signal strength information that UE reports.Wherein, this signal strength information comprises the received signal strength of current service cell and the received signal strength of neighbor cell.
In the embodiment of the present invention, network equipment (as MME etc.) receives the process of the signal strength information that UE reports, specifically include but not limited to as under type: when UE start shooting and the community selecting received signal strength best resident to network time, network equipment receives the signal strength information that this UE reports; Or when UE success is resident after network, network equipment receives the signal strength information that this UE reports.
Wherein, the cell ID of the cell ID of current service cell and neighbor cell, when reporting the received signal strength of the received signal strength of current service cell and neighbor cell, can also be reported network equipment by UE.Based on this, network equipment can also receive the cell identity information that UE reports.Wherein, this cell identity information comprises the cell ID of current service cell and the cell ID of neighbor cell.
Wherein, after UE start, the community that UE first selects received signal strength best is resident.When UE is attached to network for the first time, namely UE start shooting and the community selecting received signal strength best resident to network time, the received signal strength of the cell ID of current service cell (Ji Zhe community), current service cell, the cell ID of neighbor cell, the received signal strength of neighbor cell are reported network equipment by UE together.Afterwards, cell ID, the received signal strength of current service cell, the cell ID of neighbor cell, the received signal strength of neighbor cell of the current service cell that this UE reports is received by network equipment.
After UE is successfully attached to network, namely UE success is resident after network, and along with the movement of motor driven base station equipment and UE, UE comes from the signal of new neighbor cell by receiving.Based on this, the cell ID of the received signal strength of the cell ID of current service cell, current service cell, new neighbor cell, the received signal strength of new neighbor cell are reported network equipment by UE together.Afterwards, cell ID, the received signal strength of current service cell, the cell ID of new neighbor cell, the received signal strength of new neighbor cell of the current service cell that this UE reports is received by network equipment.
Step 202, TA corresponding for Serving cell adds in TAL by network equipment, and TA corresponding to neighbor cell received signal strength being greater than the difference between cell reselection threshold value with compare threshold (can arrange according to practical experience) adds in TAL.Wherein, each TA only comprises a community.
Due in traditional cellular network, the geographical position of base station equipment is fixing, and a TA comprises adjacent community, multiple geographical position usually, and therefore the coverage of TA is also fixing.When base station equipment is in motor driven motion, due to the erratic behavior of base station equipment motion, the multiple neighbor cells being originally configured to identical TA can be caused to disperse gradually on geographical position, thus lose the proper sense that TA is used for reflecting adjacent geographical position.Based on the discovery of the problems referred to above, in the embodiment of the present invention, under motor driven base station equipment network environment, need TA to be configured to only comprise a community, be namely relation one to one between each TA and base station equipment, thus make each TA only comprise a community.
In the embodiment of the present invention, TA corresponding for Serving cell adds in TAL by network equipment, and received signal strength is greater than the cell reselection threshold value TA corresponding with the neighbor cell of the difference between compare threshold and adds process in TAL to, specifically include but not limited to as under type: network equipment is according to the received signal strength of Serving cell and the descending order of the received signal strength of neighbor cell, the TA corresponding to Serving cell and TA corresponding to neighbor cell sorts, and according to ranking results, TA corresponding for Serving cell and TA corresponding to neighbor cell is inserted in TAL by network equipment successively.
Such as, when the received signal strength of neighbor cell 1 is greater than the difference between cell reselection threshold value and compare threshold, the received signal strength of neighbor cell 2 is greater than the difference between cell reselection threshold value and compare threshold, when the received signal strength of neighbor cell 3 is greater than the difference between cell reselection threshold value and compare threshold, then network equipment needs the TA of the TA of TA corresponding for Serving cell, neighbor cell 1 correspondence, neighbor cell 2 correspondence, the TA of neighbor cell 3 correspondence all to add in TAL.
In the case, if the received signal strength of Serving cell is greater than the received signal strength of neighbor cell 1, and the received signal strength of neighbor cell 1 is greater than the received signal strength of neighbor cell 2, and the received signal strength of neighbor cell 2 is greater than the received signal strength of neighbor cell 3, then network equipment is according to the descending order of the received signal strength of Serving cell and each neighbor cell, the TA corresponding to Serving cell and TA corresponding to each neighbor cell sorts, namely ranking results is followed successively by TA corresponding to Serving cell, the TA of neighbor cell 1 correspondence, the TA of neighbor cell 2 correspondence, the TA of neighbor cell 3 correspondence.Based on this ranking results, TA corresponding for Serving cell is inserted into first position of TAL by network equipment, the TA of neighbor cell 1 correspondence is inserted into second position of TAL, the TA of neighbor cell 2 correspondence is inserted into the 3rd position of TAL, the TA of neighbor cell 3 correspondence is inserted into the 4th position of TAL.Based on this, the TA in TAL is followed successively by TA corresponding to Serving cell, the TA of neighbor cell 1 correspondence, the TA of neighbor cell 2 correspondence, the TA of neighbor cell 3 correspondence from top to bottom.
Wherein, network equipment report according to UE its measure the cell ID of Serving cell and the neighbor cell obtained and received signal strength is UE distribution T AL.When for UE distribution T AL, received signal strength being greater than the reason that the cell reselection threshold value TA corresponding with the neighbor cell of the difference between compare threshold add in TAL is: by arranging rational compare threshold (can arrange according to practical experience), make the received signal strength of the neighbor cell selected be more than or equal to cell reselection threshold value or be slightly less than cell reselection threshold value, thus ensure that UE can realize cell reselection in the neighbor cell selected.
Wherein, when UE is attached to network for the first time, if network equipment is not safeguarded the TAL that this UE is corresponding, then network equipment directly generates TAL corresponding to this UE, and in the TAL of current generation, record TA corresponding to Serving cell, received signal strength is greater than the cell reselection threshold value TA corresponding with the neighbor cell of the difference between compare threshold.Based on above-mentioned process, can guarantee to comprise in the TAL of current generation likely within following a period of time, as the alternative cell of the cell reselection of UE.
Wherein, after UE is successfully attached to network, if network equipment has been safeguarded the TAL that this UE is corresponding, then network equipment deletes TAL corresponding to this UE, and regenerate TAL corresponding to this UE, and in the TAL of current generation, record TA corresponding to Serving cell, received signal strength is greater than the cell reselection threshold value TA corresponding with the neighbor cell of the difference between compare threshold.Or, network equipment does not delete TAL corresponding to this UE of having safeguarded, but non-existent in this TAL, received signal strength are greater than the cell reselection threshold value TA corresponding with the neighbor cell of the difference between compare threshold and are inserted in this TAL, and from this TAL, delete received signal strength be not more than the cell reselection threshold value TA corresponding with the neighbor cell of the difference between compare threshold.Based on above-mentioned process, can guarantee to comprise in the TAL of current generation likely within following a period of time, as the alternative cell of the cell reselection of UE.
Step 203, TAL is sent to UE by network equipment, stores this TAL by UE.
Wherein, TAL can be sent to UE by down control channel by network equipment.After UE is successfully attached to network, network equipment can by TAL more newer command new TAL is sent to UE.
Wherein, when UE is attached to network for the first time, UE is after receiving the TAL from network equipment, if this UE does not safeguard TAL, then the TAL received directly is stored on this UE by UE.
Wherein, after UE is successfully attached to network, UE is after receiving the TAL from network equipment, if this UE safeguards TAL, then UE deletes the upper TAL safeguarded of this UE, and is stored on this UE by the TAL received.Or, UE does not delete the upper TAL safeguarded of this UE, but but this UE of existence goes up non-existent TA in the TAL safeguarded in the TAL that will receive, be inserted in the upper TAL safeguarded of this UE, and do not exist in the TAL received, but the TA existed in the upper TAL safeguarded of this UE, deletes, thus safeguards the TAL that this UE is corresponding from the TAL that this UE safeguards.
In the embodiment of the present invention, network equipment can also add up TAL renewal frequency corresponding to preset time period (can arrange according to practical experience) interior UE.When TAL renewal frequency is greater than preset first threshold value, network equipment increases the quantity of the TA comprised in TAL corresponding to UE; When TAL renewal frequency is less than default Second Threshold, network equipment reduces the quantity of the TA comprised in TAL corresponding to UE; Wherein, preset first threshold value is greater than default Second Threshold.Further, network equipment passes through to increase compare threshold, to increase the quantity of the TA comprised in TAL corresponding to UE; Network equipment passes through to reduce compare threshold, to reduce the quantity of the TA comprised in TAL corresponding to UE.
Wherein, network equipment periodically adds up TAL renewal frequency corresponding to UE in preset time period, the TAL renewal frequency that the UE namely in statistics certain hour interval is corresponding.If TAL renewal frequency is greater than preset first threshold value, then illustrate that the mobility of UE is strong, location updating is frequent, the signaling consumption produced is large, now, network equipment increases the quantity of the TA comprised in TAL corresponding to UE, thus can reduce corresponding location updating signaling.Further, network equipment can by suitably increasing compare threshold, to increase the quantity of the TA comprised in TAL corresponding to UE.If TAL renewal frequency is less than default Second Threshold, then illustrate that the rate travel of UE is slow, location updating infrequently, now, network equipment reduces the quantity of the TA comprised in TAL corresponding to UE, thus reduce the range of transmission of beep-page message, reduce call signaling, and reduce the paging expense of whole system.Based on this, the TA corresponding to the base station equipment of received signal strength difference will delete from TAL, and its reason is distant between the current and UE in these communities, and the possibility that UE moves to these communities is minimum.Further, network equipment can by suitably reducing compare threshold, to reduce the quantity of the TA comprised in TAL corresponding to UE.
In sum, the embodiment of the present invention at least has the following advantages: in the embodiment of the present invention, based on the signal strength information that UE reports, TA corresponding for Serving cell adds in TAL by network equipment (as MME), and received signal strength is greater than the cell reselection threshold value TA corresponding with the neighbor cell of the difference between compare threshold and adds in TAL, thus upgrade based on to the TAL of tracking to each UE of UE position, realize the mobile management of UE.Under motor driven base station equipment mobile communications network environment, avoid because motor driven base station equipment is in the problem that multiple neighbor cells that in motor driven motion, the script that causes is configured to identical TA disperse gradually on geographical position.Aforesaid way can make UE always move being positioned at the community corresponding to the TA in the middle of TAL, trigger position update request outside TAL scope is moved to due to UE can be avoided, thus the frequency of UE active launch position update request can be reduced, reduce owing to sending the Stochastic accessing that brings of position updating request and control signal expense, then reduce occupying Stochastic accessing and control signal resource.Aforesaid way can avoid the community distance UE is far away to broadcast beep-page message, thus can avoid the waste causing paging resource.Aforesaid way can carry out the quantity of the TA in dynamic conditioning TAL according to the TAL renewal frequency of UE, thus can reach better balance between system pages signaling consumption and location updating signaling consumption.
As shown in Figure 3, under the network environment for motor driven base station equipment, after the technical scheme adopting the embodiment of the present invention to provide, TAL distribution effects schematic diagram.By the tracking of network equipment to UE position, UE current service cell and neighbor cell are included in TAL, and constantly keep upgrading, thus the community making UE move to always is positioned within TAL scope, thus decrease the Stochastic accessing and control signal that bring because UE launch position upgrades, and the range of transmission due to the beep-page message of network equipment is only limitted to UE current service cell and neighbor cell, thus improve the efficiency of paging.
Embodiment two
Based on the inventive concept same with said method, a kind of network equipment is additionally provided in the embodiment of the present invention, under the mobile communications network based on motor driven base station that the position being applied to base station equipment constantly changes, as shown in Figure 4, described network equipment specifically comprises:
Receiver module 11, for receiving the signal strength information of reported by user equipment UE; Described signal strength information comprises the received signal strength of current service cell and the received signal strength of neighbor cell;
Processing module 12, for being added in tracking area list TAL by tracking area TA corresponding for described Serving cell, and is greater than the cell reselection threshold value TA corresponding with the neighbor cell of the difference between compare threshold and adds in described TAL by received signal strength; Wherein, each TA only comprises a community;
Sending module 13, for described TAL is sent to described UE, stores described TAL by described UE.
Described receiver module 11, specifically for when described UE start, and the community selecting received signal strength best resident to network time, receive the signal strength information that described UE reports; Or, when described UE success is resident after network, receive the signal strength information that described UE reports.
Described processing module 12, specifically for TA corresponding for described Serving cell is being added in TAL, and received signal strength is greater than the cell reselection threshold value TA corresponding with the neighbor cell of the difference between compare threshold when adding in described TAL, according to the received signal strength of described Serving cell and the descending order of the received signal strength of described neighbor cell, the TA corresponding to described Serving cell and TA corresponding to described neighbor cell sorts, and according to ranking results, successively TA corresponding for described Serving cell and TA corresponding to described neighbor cell is inserted in described TAL.
Described processing module 12, also for adding up TAL renewal frequency corresponding to UE in preset time period; When described TAL renewal frequency is greater than preset first threshold value, increase the quantity of the TA comprised in TAL corresponding to UE; When described TAL renewal frequency is less than default Second Threshold, reduce the quantity of the TA comprised in TAL corresponding to UE; Wherein, described preset first threshold value is greater than described default Second Threshold.
Described processing module 12, is further used for by increasing described compare threshold, to increase the quantity of the TA comprised in TAL corresponding to described UE; By reducing described compare threshold, to reduce the quantity of the TA comprised in TAL corresponding to described UE.
Wherein, the modules of apparatus of the present invention can be integrated in one, and also can be separated deployment.Above-mentioned module can merge into a module, also can split into multiple submodule further.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required general hardware platform by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform method described in each embodiment of the present invention.It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.It will be appreciated by those skilled in the art that the module in the device in embodiment can carry out being distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.Be only several specific embodiment of the present invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (10)
1., based on the tracking area list TAL update method under the mobile communications network of motor driven base station, in the mobile communication system that the position being applied to base station equipment constantly changes, it is characterized in that, said method comprising the steps of:
Network equipment receives the signal strength information of reported by user equipment UE; Wherein, described signal strength information comprises the received signal strength of current service cell and the received signal strength of neighbor cell;
Tracking area TA corresponding for described Serving cell adds in TAL by described network equipment, and received signal strength is greater than the cell reselection threshold value TA corresponding with the neighbor cell of the difference between compare threshold and adds in described TAL; Wherein, each TA only comprises a community;
Described TAL is sent to described UE by described network equipment, stores described TAL by described UE.
2. the method for claim 1, is characterized in that, receive at described network equipment in the process of the signal strength information of reported by user equipment UE, described method comprises further:
When described UE start shooting and the community selecting received signal strength best resident to network time, described network equipment receives the signal strength information that described UE reports; Or when described UE success is resident after network, described network equipment receives the signal strength information that described UE reports.
3. the method for claim 1, is characterized in that, described method comprises further:
At described network equipment, TA corresponding for described Serving cell is added in TAL, and received signal strength is greater than the cell reselection threshold value TA corresponding with the neighbor cell of the difference between compare threshold when adding in described TAL, described network equipment is according to the received signal strength of described Serving cell and the descending order of the received signal strength of described neighbor cell, the TA corresponding to described Serving cell and TA corresponding to described neighbor cell sorts, and according to ranking results, successively TA corresponding for described Serving cell and TA corresponding to described neighbor cell is inserted in described TAL.
4. the method for claim 1, is characterized in that, described method comprises further:
The TAL renewal frequency that in described network equipment statistics preset time period, described UE is corresponding;
When described TAL renewal frequency is greater than preset first threshold value, described network equipment increases the quantity of the TA comprised in TAL corresponding to described UE; When described TAL renewal frequency is less than default Second Threshold, described network equipment reduces the quantity of the TA comprised in TAL corresponding to described UE;
Wherein, described preset first threshold value is greater than described default Second Threshold.
5. method as claimed in claim 4, it is characterized in that, described method comprises further:
Described network equipment passes through to increase described compare threshold, to increase the quantity of the TA comprised in TAL corresponding to described UE; Described network equipment passes through to reduce described compare threshold, to reduce the quantity of the TA comprised in TAL corresponding to described UE.
6. a network equipment, under the mobile communications network based on motor driven base station that the position being applied to base station equipment constantly changes, it is characterized in that, described network equipment specifically comprises:
Receiver module, for receiving the signal strength information of reported by user equipment UE; Wherein, described signal strength information comprises the received signal strength of current service cell and the received signal strength of neighbor cell;
Processing module, for being added in tracking area list TAL by tracking area TA corresponding for described Serving cell, and is greater than the cell reselection threshold value TA corresponding with the neighbor cell of the difference between compare threshold and adds in described TAL by received signal strength; Wherein, each TA only comprises a community;
Sending module, for described TAL is sent to described UE, stores described TAL by described UE.
7. network equipment as claimed in claim 6, is characterized in that,
Described receiver module, specifically for when described UE start, and the community selecting received signal strength best resident to network time, receive the signal strength information that described UE reports; Or, when described UE success is resident after network, receive the signal strength information that described UE reports.
8. network equipment as claimed in claim 6, is characterized in that,
Described processing module, specifically for TA corresponding for described Serving cell is being added in TAL, and received signal strength is greater than the cell reselection threshold value TA corresponding with the neighbor cell of the difference between compare threshold when adding in described TAL, according to the received signal strength of described Serving cell and the descending order of the received signal strength of described neighbor cell, the TA corresponding to described Serving cell and TA corresponding to described neighbor cell sorts, and according to ranking results, successively TA corresponding for described Serving cell and TA corresponding to described neighbor cell is inserted in described TAL.
9. network equipment as claimed in claim 6, is characterized in that,
Described processing module, also for adding up TAL renewal frequency corresponding to UE in preset time period; When described TAL renewal frequency is greater than preset first threshold value, increase the quantity of the TA comprised in TAL corresponding to UE; When described TAL renewal frequency is less than default Second Threshold, reduce the quantity of the TA comprised in TAL corresponding to UE; Wherein, described preset first threshold value is greater than described default Second Threshold.
10. network equipment as claimed in claim 9, is characterized in that,
Described processing module, is further used for by increasing described compare threshold, to increase the quantity of the TA comprised in TAL corresponding to described UE; By reducing described compare threshold, to reduce the quantity of the TA comprised in TAL corresponding to described UE.
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