CN100518379C - Method and device for implementing position renew in radio communication network - Google Patents
Method and device for implementing position renew in radio communication network Download PDFInfo
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- CN100518379C CN100518379C CNB2007100632853A CN200710063285A CN100518379C CN 100518379 C CN100518379 C CN 100518379C CN B2007100632853 A CNB2007100632853 A CN B2007100632853A CN 200710063285 A CN200710063285 A CN 200710063285A CN 100518379 C CN100518379 C CN 100518379C
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Abstract
This invention relates to a method and device for renewing positions in the radio communication network including: determining the current position of a terminal when the terminal is moving, if the terminal is not in the border region composed of multiple position regions, then position renewing operation is done based on the position information of the terminal, if it is placed in the border region, then the position renewing operation is done based on the mobile distance of the terminal.
Description
Technical field
The present invention relates to wireless communication technology field, relate in particular to and realize position method for updating and device in a kind of cordless communication network.
Background technology
In cordless communication network, for communicating with the portable terminal that is in dormant (dormancy) state, then need to send beep-page message to it according to the position at the current place of portable terminal, after portable terminal receives described beep-page message, just can set up with network side and communicate by letter, to carry out the corresponding communication business.
Because the position of portable terminal all can change at any time, therefore, in order to guarantee that network side can know the portable terminal current position information in real time, then portable terminal need upgrade its positional information according to the position update strategy to network side in real time in its moving process.
In wireless communication system, paging success rate, paging duration are the important indicators of weighing network performance.
For guaranteeing the paging success, then corresponding paging range must comprise all possible position of terminal, and this just needs network side can obtain the accurate positional information of terminal as far as possible.For guaranteeing that network side obtains the accurate positional information of terminal, then need terminal in moving process, continually the latest position of oneself is informed network side, promptly carry out the position continually and upgrade.
, though the success rate that can improve at paging terminal is upgraded in frequent position.But it also makes channel seizure ratio, Abis interface occupancy and the CPU usage of access procedure improve greatly simultaneously; And serious consequences such as also can causing aggravation reverse interference, consumption end cell is upgraded in frequent position.
Therefore, need provide a kind of rational position to upgrade implementation, with the negative effect of avoiding position renewal continually to bring.
Below will be with CDMA (code division multiple access) cordless communication network, i.e. the renewal of position in cdma system implementation is an example, implementations is upgraded in two kinds of positions can adopting respectively at present in the cordless communication network be described.
(1) upgrades implementation based on the position of distance
This implementation mainly comprises: when AT (accessing terminal) displacement surpasses a thresholding, then send RUM (routing update message) and upgrade to carry out the position.Suppose that rth is a distance threshold, this threshold value specifically can be determined jointly by AN (Access Network) and AT, perhaps, directly by the AN decision, is broadcast to all terminals in system message; If current AT move apart from r greater than rth, then trigger AT and send RUM and carry out location update operations.
For different sub-districts, different rth can be set; As shown in Figure 1, BTS (base station) 1,2,3 is corresponding rth1,2,3 respectively, and corresponding position (1), (2), (3), (4) are respectively in BTS1,4,3,2 coverage, at this moment among Fig. 1:
Suppose that (1) sends RUM to AT in the position, carried out the position renewal, the rth=rth1 of AT storage this moment.AT whenever moves to a new BTS then, all can recomputate r;
When moving to position (2), receive the signal of BTS4, and calculate r＜rth1, then can not send RUM;
When moving to position (3), receive the signal of BTS3, calculate r＞rth1, then send RUM, and upgrade rth=rth3;
When moving to position (4), receive the signal of BTS2, calculate r＞rth3, then send RUM, and upgrade rth=rth2.
In this position update scheme based on distance, switch because table tennis between two adjacent sub-districts the time, takes place AT easily, if, then being easy to generate frequent position less than the distance of the corresponding BTS in two sub-districts, upgrades the rth that sets.Therefore, wherein said distance threshold must be set to enough big, needs at least all neighbor cells are comprised to come in.
Based on the demand, if as shown in Figure 2, base station BTS 1 is far away with base station BTS 2 distances, and nearer with other base station distance.Then upgrade for fear of AT frequent position between BTS1 and BTS2, the position renewal distance threshold rth1 of BTS1 needs the scope shown in solid line ring among Fig. 2 at least; Corresponding paging range is the scope shown in dotted line ring among Fig. 2 then.Like this, AT carries out after the position upgrades at BTS1, if paging it, paging range has almost covered whole network.So too big paging range can consume too much system resource.
And in the position update scheme based on distance, the machine etc. if delay in System Expansion or certain base station is the accuracy that guarantees that the position is upgraded, and distance threshold rth is upgraded in corresponding position then needs to do corresponding adjustment, and this has just brought very big inconvenience to management maintenance.
In addition, in position update scheme, be constantly to change to the paging range of an AT, so can't accurately assess geographic range, resource consumption and the paging effect of paging in advance along with moving of AT based on distance, this has just increased the difficulty of the network planning and network operation.
In a word, in the position update scheme based on distance, the simple use based on the position of distance upgraded and paging policy, strengthened the difficulty aspect the network planning.Paging performance is restive.
(2) upgrade implementation based on the position in Code (sign indicating number) district
In this implementation, be that whole network is divided into several zones by geographical distribution, each zone comprises several sub-districts.For example, just comprise CodeArea1 (lane place 1), three zones of CodeArea2, CodeArea3 in Fig. 3, wherein, each zone comprises several sub-districts again respectively.Be that described zone can be called CodeArea, each CodeArea is called Code with a mutually different numerical value sign.AN needs to carry two attribute fields, i.e. Code and MaxAge in the system message of each sector; Wherein, described Code is used to identify the CodeArea under the sector, and a plurality of sectors can corresponding same Code, and described MaxAge then is used to represent the time to live of Code.
An in store tabulation CodeList in AT, each of this tabulation is a Code, and corresponding time to live timer MaxAge.The length C odeListSize of described tabulation is consulted to determine by AN and AT, for example, can be the length of 1-5 list item.
As shown in Figure 3, suppose CodeListSize=2; (1) transmission RUM carries out the position renewal to AT in the position, and CodeArea1 is added among the CodeList of its maintenance, starts the time to live timer of CodeArea1 correspondence, and then in follow-up moving process, corresponding position updating process comprises:
AT moves to back, position (2) and sends RUM, and CodeArea2 is added CodeList, and starts the timer of CodeArea2 correspondence;
If AT is (2) home position (1) immediately from the position, because CodeArea1 is in tabulation, thus can not send RUM, thus frequent position renewal avoided; Perhaps, (2) directly move to position (3) if AT is from the position, then send RUM, CodeArea1 is deleted from CodeList, and CodeArea3 is added tabulation, start the timer of CodeArea3 correspondence;
Wherein, continue to move to position (4) if be in the AT of position (3), this moment CodeArea2 timer expiry, AT with CodeArea2 from the tabulation the deletion.But, if AT from the position (3) get back to position (1), then AT sends RUM, and CodeArea2 is deleted from CodeList, and CodeArea1 is added tabulation.
Upgrade processing by above-mentioned position, move, then produce frequent position and upgrade if AT circulates between position (1), (2), (3).For this reason, then needing to select to be provided with CodeListSize=3 in the zone that three CodeArea have a common boundary upgrades can avoid frequent position.
In above-mentioned position updating process, can effectively avoid the appearance of frequent position replacement problem to a certain extent based on the Code district.But the inventor finds that in implementing process of the present invention above-mentioned processing scheme may cause occurring in time carrying out the problem that the position is upgraded under some scene.
Below in conjunction with accompanying drawing the problem that may occur under the corresponding scene is described.
As shown in Figure 4, city B is divided into two CodeArea, and the border in two zones is positioned at the city.At this moment, upgrade for avoiding frequent position, CodeListSize=2 then is set, like this, the idle switching even AT rattles between CodeArea1 and CodeArea2 can not send RUM yet.
In Fig. 4, (1) moves to position (2) from the position as if AT, returns position among the CodeArea1 (3) again rapidly, if the timer of CodeArea1 is not overtime as yet in the tabulation, then AT can not send RUM.At this moment, if AT continues to move to position (4) to CodeArea1 inside, AT still can not send RUM and carry out the position renewal.At this moment, if AN needs the described AT of paging, then will carry out paging in the regional extent of the corresponding dotted line in CodeArea2 zone, the result of corresponding paging can't paging arrive described AT.In this case, have only the timer expiry of CodeArea1 in tabulation, and after having triggered the position renewal, AN paging again arrives AT.
Therefore, the position update scheme based on the Code district that provides in the prior art may cause occurring in time carrying out the problem that the position is upgraded under some scene, and then will cause paging failure, has influence on the communication performance of entire wireless communication system.
Summary of the invention
Embodiments of the invention provide realizes position method for updating and device in a kind of cordless communication network, thereby can carry out location update operations in cordless communication network timely and accurately.
Embodiments of the invention provide realizes the position method for updating in a kind of cordless communication network, comprising:
In the terminal moving process, determine the position at the current place of terminal;
Be not in the borderline region that a plurality of bands of position constitute if terminal is current, then carry out location update operations based on the current position area information of terminal; If be in the borderline region of a plurality of bands of position formation, then carry out location update operations based on the displacement of terminal, described displacement based on terminal is carried out location update operations and is meant, when terminal moves to the sub-district that described borderline region comprises, obtain the distance threshold value of the described borderline region correspondence that network side sets in advance; In this borderline region, if the distance that terminal moves surpasses described distance threshold value, then trigger position upgrades operation.
Embodiments of the invention provide realizes the device that the position is upgraded in a kind of cordless communication network, comprising:
Processing unit is upgraded in the position in position-based zone, is used for carrying out location update operations based on the current position area information of terminal and a plurality of position area information of preservation;
The distance threshold acquiring unit is used to obtain the distance threshold value information, and offers the position renewal processing unit based on distance;
Processing unit is upgraded in position based on distance, in the borderline region that is used for constituting in described a plurality of bands of position, when the distance threshold value information that provides according to the distance threshold acquiring unit determines that distance that terminal moves surpasses described distance threshold value, the location update operations of triggering terminal.
Embodiments of the invention provide a kind of terminal, and its structure is included in to be provided with in the terminal and realizes the device that the position is upgraded in the above-mentioned cordless communication network.
Embodiments of the invention provide realizes the device that the position is upgraded in a kind of cordless communication network, this device can be arranged at network side, comprising:
The control information notification unit is upgraded in the position, is used for issuing a notice to terminal, in the time of in terminal is not in the borderline region that a plurality of bands of position constitute, comprises the control information that control terminal adopts the location update operations of position-based area information in the described notice; In the time of in terminal is in the borderline region that a plurality of bands of position constitute, comprise the control information of control terminal employing in the described notice based on the location update operations of displacement, and carry out the distance threshold value information used in the location update operations process based on displacement, described distance threshold value information is used in reference to and shows that working as terminal moves in the borderline region, and when terminal displacement surpassed described threshold value, trigger position upgraded operation.
Embodiments of the invention provide a kind of base station equipment, and its structure is included in to be provided with in the base station equipment and realizes the device that the position is upgraded in the above-mentioned cordless communication network.
The embodiment that is provided by the invention described above as can be seen, embodiment provided by the invention has adopted the combination of upgrading based on the position of the position renewal of distance and position-based area information, promptly at the position update strategy of cell border areas employing based on distance, thereby make it can effectively avoid terminal to carry out frequent location update operations, and further can also effectively improve paging success rate.
Description of drawings
Fig. 1 is the location update operations process schematic diagram based on distance;
Fig. 2 is the paging range schematic diagram after upgrading based on the position of distance;
Fig. 3 is the location update operations process schematic diagram of position-based area information;
Fig. 4 is an application-specific scene structure schematic diagram;
Fig. 5 is the handling process schematic diagram of method embodiment provided by the invention;
Fig. 6 is the processing procedure schematic diagram of the embodiment of device of the present invention;
Fig. 7 is the processing procedure schematic diagram of Application Example of the present invention.
Embodiment
Among the embodiment that the present invention specifically provides, mainly be included on the basis of upgrading based on the position in Code district, proposed to introduce implementation, the defective that exists with the paging policy that overcomes based on the Code district based on the position renewal of distance at the borderline region in Code district.
The specific embodiment of realization position method for updating comprises as shown in Figure 5 in the cordless communication network provided by the invention:
Described terminal specifically can be determined the band of position at current place according to the current system message that receives, and for example, shows the current borderline region that is made of the diverse location zone that whether is in by a certain sign in the system message;
Be specially this terminal based on a plurality of position area information in the band of position tabulation of its preservation, and the current position area information of terminal is carried out location update operations.
Be specially, in the borderline region that described a plurality of bands of position constitute, whether the distance that the current terminal of described terminal judges moves surpasses predetermined distance threshold value, if surpass, then send location update message to network side, otherwise, do not carry out the transmission of location update message;
Wherein, described distance threshold value can be handed down to terminal by system message by network side, for example, the distance threshold value of the current borderline region correspondence of carrying in a certain field in system message, terminal receives described system message just can obtain described distance threshold value;
The described distance threshold value of using in this step can be carried on the position area information that network side issues in the same system message and issue, perhaps, also can only issue the distance threshold value information at borderline region, when terminal is received described distance threshold value information, then determine the current borderline region that is in, need execution in step 54.
In above-mentioned processing procedure, also can adopt following processing procedure to substitute described step 51 and step 52, be specially:
Terminal is in moving process, the notification message that reception is issued by network side, the current employing position-based of indicating terminal area information carries out location update operations and also is based on displacement and carries out location update operations in the described notification message, like this, terminal just can be determined execution in step 53 according to this notification message, perhaps, execution in step 54;
Equally, described notification message can be system message, promptly passes through the position update strategy of the current employing of a certain field indicating terminal in the system message; Wherein, if issue indicating terminal when taking to carry out the position updating strategy, can also be simultaneously the distance threshold value of equipment in advance be handed down to described terminal in the lump based on displacement.
The present invention also provides the embodiment that realizes the device that the position is upgraded in a kind of cordless communication network, this device is arranged in the terminal, the embodiment structure as shown in Figure 6, the position that comprises selection processing unit, position-based zone is upgraded processing unit and is upgraded processing unit based on the position of distance, wherein:
(1) selects processing unit
Be used for determining to start the position updating block in position-based zone or based on the position updating block of distance according to network side notice; Perhaps, whether be that borderline region determines to start the position updating block in position-based zone or based on the position updating block of distance according to the zone at the current place of terminal;
(2) processing unit is upgraded in the position in position-based zone
Be used for carrying out location update operations based on the current position area information of terminal and a plurality of position area information of preservation, concrete renewal operating process can adopt with prior art in identical position upgrade implementation, so do not do detailed description at this;
(3) upgrade processing unit based on the position of distance
In the borderline region that is used for constituting, carry out location update operations based on the displacement of terminal in the described a plurality of bands of position, concrete renewal operating process can adopt with prior art in identical position upgrade implementation, so do not do detailed description at this.
In described device, for realizing upgrading processing based on the position of distance, described device can also comprise the distance threshold acquiring unit, and this unit is used to obtain the distance threshold value information, and offers the position renewal processing unit based on distance; Like this, when described position renewal processing unit based on distance just can surpass described distance threshold value in the distance that definite terminal moves, the location update operations of triggering terminal, thus realization is based on the location update operations of distance.
The present invention also provides and has realized the device that the position is upgraded in a kind of cordless communication network, this device is arranged at network side, be used for disposing the above-mentioned device that is arranged at terminal and carry out corresponding position update strategy, for example, can be arranged in the wireless communication network base station equipment.
The specific embodiment of this device can comprise still as shown in Figure 6:
The control information notification unit is upgraded in the position, be used for issuing a notice to terminal, comprise control terminal in the described notice and adopt based on the location update operations of displacement or adopt the control information of the location update operations of position-based area information, and carry out the distance threshold value information used in the location update operations process based on displacement;
Wherein, the control information notification unit is upgraded in described position specifically can be handed down to user terminal by a system message with described control information and distance threshold value, perhaps, also can only described distance threshold value information be handed down to terminal, and with this distance threshold value as described control information.
For ease of the understanding of the present invention,, the embodiment that utilizes the present invention to realize that application-specific scene upper/lower positions upgrades is described in detail below in conjunction with Fig. 4.
Wherein, described application-specific suppositive scenario can for: (1) moves to position (2) to AT from the position, return position among the CodeArea1 (3) then again rapidly, and continuation moves to position (4) in CodeArea1 inside, and this moment, the timer of CodeArea1 was not overtime as yet, made the information of CodeArea1 still effectively be present in the tabulation of AT.
At the above-mentioned application-specific scene among Fig. 4, at the position update strategy of CodeArea border introducing based on distance, the position area information that is in border (being borderline region) terminal is upgraded, but do not use paging based on distance, be that system is when selecting paging range, specifically be on the basis of the band of position at terminal place, to expand, comprise the neighbor cell (shown in the dotted line circle of Fig. 4) of this band of position and this lane place, and also do not consider to determine paging range based on distance.
Based on the application-specific scene among Fig. 4, corresponding city B comprises AN1 and two Access Networks of AN2, specifically comprises as shown in Figure 7 CodeArea1, CodeArea2 and three bands of position of CodeArea3; Wherein, CodeArea1 and CodeArea2 belong to AN1, and CodeArea3 belongs to AN2, and list size CodeListSize=2 among the AT.
Sub-district in the dashed rectangle shown in Fig. 7 is border cell (being borderline region), is set to start location update operations based on distance, the distance threshold rth=rth2 of a sub-district CELL-2 correspondence in the border cell at described border cell; When carry out when mobile in the path shown in the arrow line of terminal AT in Fig. 7, if (1) is to the position (2) from the position, and return the position (3) of CodeArea1 at once, then based on CodeArea and can the trigger position renewal based on distance; When AT continues to move to position (4), then because the displacement of AT has satisfied the condition of distance threshold value, at this moment, the position of triggering based on distance is upgraded, thereby make network side can know the position area information at current AT place very in time, promptly AN has been known the fact that AT has got back to CodeArea1, like this, just can solve in the prior art for above-mentioned application-specific scene the problem that can't in time know current AT position area information of existence.
Below in conjunction with Fig. 7 the concrete processing procedure of this Application Example is described.As shown in Figure 7, AT is in moving process, and position updating process and corresponding paging policy specifically comprise:
1, initial position (1), AT sends RUM, carries out the position and upgrades, and CodeArea1 is added CodeList; The paging range of AN is CodeArea1, and expands to sub-district adjacent with CodeArea1 among the CodeArea2,3.
2, move to position (2),,, and CodeArea2 information is joined in the tabulation so AT need send RUM owing to do not have CodeArea2 information in the tabulation of AT; At this moment, the paging range of AN is CodeArea2, and needs the sub-district adjacent with CodeArea2 among the expansion paging CodeArea1.
3, move to position (3), do not send RUM, this is in Already in tabulating because of CodeArea1, but also not overtime; This moment, the paging range of AN was CodeArea2 still, and the sub-district adjacent with CodeArea2 among the CodeArea1.
4, move to position (4),, then will trigger location update operations based on distance because AT has exceeded the distance threshold rth of CELL-2; At this moment, the paging range of AN is CodeArea1, and expansion ground comprises sub-district adjacent with CodeArea1 among the CodeArea2,3.
5, move to position (5), do not carry out the position and upgrade; At this moment, the paging range of AN still is CodeArea1, and expansion comprises sub-district adjacent with CodeArea1 among the CodeArea2,3.
6, move to position (6), carry out upgrading, just realized also that certainly the position in position-based district is upgraded, to upgrade the positional information of current AT based on the position of subnet; This moment, the paging range of AN was CodeArea3, and expanded to sub-district adjacent with CodeArea3 among the CodeArea1.
In sum, each embodiment provided by the invention can effectively avoid terminal to carry out frequent location update operations on the one hand; On the other hand, then comprised all possible position of AT, therefore, can also effectively improve paging success rate because system sends the scope of beep-page message.
Need to prove that the present invention can be applied in all types of wireless communication systems, as CDMA (code division multiple access) system, the CDMA2000 system, or the like.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (9)
1, realize the position method for updating in a kind of cordless communication network, it is characterized in that, comprising:
In the terminal moving process, determine the position at the current place of terminal;
Be not in the borderline region that a plurality of bands of position constitute if terminal is current, then carry out location update operations based on the current position area information of terminal; If be in the borderline region of a plurality of bands of position formation, then carry out location update operations based on the displacement of terminal, described displacement based on terminal is carried out location update operations and is meant, when terminal moves to the sub-district that described borderline region comprises, obtain the distance threshold value of the described borderline region correspondence that network side sets in advance; In this borderline region, if the distance that terminal moves surpasses described distance threshold value, then trigger position upgrades operation.
2, method according to claim 1 is characterized in that, described method specifically comprises:
In the terminal moving process, carry out location update operations by network side according to its position-based area information of position informing at the current place of terminal and also be based on displacement and carry out location update operations, and carry out corresponding location update operations;
Perhaps,
In the terminal moving process, determine the zone at current place by terminal, and whether be that described borderline region determines that the position-based area information carries out location update operations and also is based on displacement and carries out location update operations, and carry out corresponding location update operations according to the zone at its place.
3, method according to claim 2 is characterized in that, described method specifically comprises:
Terminal receives the message that network side issues in real time, determine to adopt the position-based area information to carry out location update operations or carry out location update operations according to the indication that comprises in the described message based on displacement, and, then also from described message, obtain described distance threshold value if carry out location update operations based on displacement according to definite employing of described indication; Afterwards, carry out corresponding location update operations;
Perhaps,
Terminal receives the message that network side issues in real time, if comprise described distance and position threshold information in the message, then determines to adopt to carry out location update operations based on displacement, otherwise, adopt the position-based area information to carry out location update operations;
Perhaps,
Terminal receives the message that network side issues in real time, and determine to adopt the position-based area information to carry out location update operations or carry out location update operations based on displacement according to the position area information that comprises in the described message, and carry out location update operations if determine to adopt based on displacement, then also from described message, obtain described distance threshold value; Afterwards, carry out corresponding location update operations.
4, realize the device that the position is upgraded in a kind of cordless communication network, it is characterized in that, comprising:
Processing unit is upgraded in the position in position-based zone, is used for carrying out location update operations based on the current position area information of terminal and a plurality of position area information of preservation;
The distance threshold acquiring unit is used to obtain the distance threshold value information, and offers the position renewal processing unit based on distance;
Processing unit is upgraded in position based on distance, in the borderline region that is used for constituting in described a plurality of bands of position, when the distance threshold value information that provides according to the distance threshold acquiring unit determines that distance that terminal moves surpasses described distance threshold value, the location update operations of triggering terminal.
5, device according to claim 4 is characterized in that, described device also comprises:
Select processing unit, determine to start the position renewal processing unit in position-based zone or upgrade processing unit based on the position of distance according to the network side notice; Perhaps, whether the zone according to the current place of terminal is that borderline region is determined to start the position renewal processing unit in position-based zone or upgraded processing unit based on the position of distance.
6, a kind of terminal is characterized in that, is provided with aforesaid right requirement 4 or 5 each described devices in this terminal.
7, realize the device that the position is upgraded in a kind of cordless communication network, it is characterized in that, comprising:
The control information notification unit is upgraded in the position, is used for issuing a notice to terminal, in the time of in terminal is not in the borderline region that a plurality of bands of position constitute, comprises the control information that control terminal adopts the location update operations of position-based area information in the described notice; In the time of in terminal is in the borderline region that a plurality of bands of position constitute, comprise the control information of control terminal employing in the described notice based on the location update operations of displacement, and carry out the distance threshold value information used in the location update operations process based on displacement, described distance threshold value information is used in reference to and shows that working as terminal moves in the borderline region, and when terminal displacement surpassed described threshold value, trigger position upgraded operation.
8, device according to claim 7, it is characterized in that, described position is upgraded the control information notification unit described control information and distance threshold value is handed down to user terminal by system message, perhaps, only described distance threshold value information is handed down to terminal, and with this distance threshold value as described control information.
9, a kind of base station equipment is characterized in that, is provided with aforesaid right requirement 7 or 8 described devices in this base station equipment.
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| US9042385B2 (en) * | 2008-03-05 | 2015-05-26 | Qualcomm, Incorporated | Traffic scheduling based on resource contention |
| CN101895858B (en) * | 2009-05-20 | 2014-11-05 | 华为技术有限公司 | Location update strategy acquisition, location update reject and paging methods and equipment |
| CN101990155B (en) * | 2009-08-03 | 2013-06-05 | 中国移动通信集团江苏有限公司 | Method for judging border cell as well as border cell data management platform and system |
| CN102413485B (en) * | 2010-09-25 | 2016-03-30 | 中兴通讯股份有限公司 | A kind of method for supervising of machine terminal, system and machine terminal |
| CN102573003A (en) * | 2010-12-22 | 2012-07-11 | 国民技术股份有限公司 | Instant communication system, access equipment and communication equipment |
| JP5769008B2 (en) * | 2011-06-07 | 2015-08-26 | 日本電気株式会社 | Communication processing system, location registration method, mobile relay station, control method thereof and control program |
| US10165504B2 (en) * | 2014-07-15 | 2018-12-25 | Nokia Solutions And Networks Oy | Distributed implementation of self-organizing tracking areas |
| CN105357641B (en) * | 2015-11-18 | 2019-07-02 | Oppo广东移动通信有限公司 | A kind of location updating control method and user terminal |
| CN106255188B (en) * | 2016-09-19 | 2019-11-26 | 广州视源电子科技股份有限公司 | Localization method, device, equipment and system |
| CN107483594A (en) * | 2017-08-22 | 2017-12-15 | 北京小米移动软件有限公司 | The method and apparatus of display renewal entry |
| US11323174B2 (en) * | 2019-06-26 | 2022-05-03 | Qualcomm Incorporated | Paging for non-terrestrial networks |
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