WO2018082323A1

WO2018082323A1 - Method and device for optimizing paging

Info

Publication number: WO2018082323A1
Application number: PCT/CN2017/090883
Authority: WO
Inventors: 贾鑫
Original assignee: 中兴通讯股份有限公司
Priority date: 2016-11-02
Filing date: 2017-06-29
Publication date: 2018-05-11
Also published as: CN108024332A

Abstract

A method for optimizing paging, comprising: pre-configuring a correlation between user equipment (UE) to be paged and tracking area (TA) information, a correlation between the TA information and base stations, and a correlation between the base stations and cells covered thereby. The method further comprises: acquiring the positional information of said UE; according to the acquired positional information of said UE and all the pre-configured correlations, determining the range of base stations to which a paging message needs to be transmitted; according to the correlation between the TA information and the base stations, and the correlation between the base stations and the cells covered thereby, determining a correlation between the TA information and the cells covered by each base station within said range of base stations; according to the TA information corresponding to said UE and the correlation between the TA information and the cells covered by each base station within said range of base stations, optimizing, in the determined range of base stations, the range of cells to which the paging message is transmitted.

Description

Method and device for paging optimization

Technical field

The present application relates to, but is not limited to, the field of communication technologies, and in particular, to a method and apparatus for paging optimization.

Background technique

Mobile and broadband have become the development direction of modern communication technology. The 3rd Generation Partnership Project (3GPP) is dedicated to the evolution of 3G systems with the goal of developing 3GPP wireless access technologies towards high data rates, low latency and optimization. The direction of packet data application evolves. The Long Term Evolution (LTE) technology is a long-term evolution of the Universal Mobile Telecommunications System (UMTS) technology standard developed by the 3GPP organization. It was officially launched and launched at the 3GPP Toronto Conference in December 2004.

The basic architecture of an LTE system generally includes three parts: an evolved UMTS Terrestrial Radio Access Network (E-UTRAN), an Evolved Packet Core (EPC), and a user equipment (UE). , User Equipment). The E-UTRAN is an access network of the LTE, and includes a plurality of evolved base stations (eNBs, Evolved NodeBs); the EPC is a core network of the LTE, including a mobility management entity (MME, Mobility Management Entity), and a service gateway (SGW, Serving GateWay). ), and Packet Data Network GateWay (PGW). The UE and the eNB are interconnected through the Uu interface, and the eNB and the EPC are interconnected through the S1 interface, and the eNB and the eNB are interconnected through the X2 interface.

In the network evolution in the related art, a large number of small base stations and home base stations are introduced. Since the power consumption of the intelligent terminal is much larger than that of the ordinary function terminal, in order to save power, the time for the smart terminal to enter the sleep mode needs to be shortened. . However, when the smart terminal enters the sleep mode, the downlink data packet of the network cannot be directly sent to the smart terminal, but the MME sends a paging message to wake the smart terminal from the sleep mode, so that the downlink data packet can be sent.

In order to implement the paging function, the LTE network may send a paging message to the UE in the idle state (IDLE) or the connected state (CONNECTED), that is, the MME passes the Tracking Area Identity (TAI) list information supported by the UE. To send a paging message.

Summary of the invention

The following is an overview of the topics detailed in this document. This Summary is not intended to limit the scope of the claims.

The present invention provides a method and a device for paging optimization, which can effectively solve the problem that the paging message is generated in the related art, the paging range is larger, the signaling storm generated, and the wireless resource consumption are excessive.

The technical solution of the embodiment of the present invention is implemented as follows:

The embodiment of the invention provides a method for paging optimization, which pre-sets the correspondence between the information of the UE to be paged and the Tracking Area (TA), the correspondence between the TA information and the base station, and the correspondence between the base station and the cell under the jurisdiction. The method further includes:

Obtaining location information of the UE to be paged;

Determining, according to the obtained location information of the to-be-patched UE and all correspondences preset in advance, determining a range of base stations to which the paging message needs to be sent;

Determining, according to the correspondence between the TA information and the base station, and the corresponding relationship between the base station and the subordinate cell, the correspondence between the cell and the TA information of each base station in the range of the base station;

The cell range delivered by the paging message is optimized within the determined range of the base station according to the TA information corresponding to the UE to be paged and the corresponding relationship between the cell and the TA information of each base station in the range of the base station.

In an exemplary embodiment, the acquiring location information of the UE to be paged includes:

The location information of the UE to be paged is obtained by using the location information of the UE carried in the message in the tracking area update (TAU).

In an exemplary embodiment, the location information of the UE carried in the TAU request message includes:

The location information of the mobile trajectory in the certain time period is analyzed by collecting the location information of the mobile trajectory of the UE in a certain period of time, and the location information of the UE in the next same time period is estimated according to the analysis result, and the UE is reported to the UE. The location information is in the TAU request message.

The location information of the to-be-paged UE is directly obtained from the location server through the A1 interface.

In an exemplary implementation manner, the determining, according to the obtained location information of the to-be-patched UE and all the corresponding correspondences that are preset, determining a range of base stations to be sent by the paging message, including:

Determining, according to the location information of the to-be-patched UE, the base station ID currently camped by the UE to be paged; the TA information corresponding to the UE to be paged, the correspondence between the TA information and the base station, and the correspondence between the base station and the cell under the jurisdiction And determining, by the parsed base station ID, where the UE currently camps, determining a range of base stations to be sent by the paging message.

In an exemplary embodiment, the optimizing a cell range delivered by the paging message within the determined range of the base station includes:

And sending the paging message to the at least one cell in the range of the base station that the determined UE to be paged is currently in.

An embodiment of the present invention further provides a device for paging optimization, where the device includes: a preset module, an obtaining module, a determining module, and an optimization module;

The preset module is configured to: preset a correspondence between the UE to be paged and the TA information, a correspondence between the TA information and the base station, and a correspondence between the base station and the cell under the jurisdiction;

The acquiring module is configured to: obtain location information of the UE to be paged;

The determining module is configured to: determine, according to the obtained location information of the to-be-patched UE and all corresponding correspondences preset, a range of base stations to be sent by the paging message; and further set: according to the correspondence between the TA information and the base station Corresponding relationship between the base station and the subordinate cell, and determining a correspondence between the cell under the base station and the TA information in the range of the base station;

The optimization module is configured to: according to the TA information corresponding to the UE to be paged, and the corresponding relationship between the cell and the TA information of each base station in the range of the base station, optimize the paging message within the determined range of the base station The range of cells sent.

In an exemplary embodiment, the acquiring module is configured to: obtain location information of the UE to be paged by using location information of the UE carried in the TAU request message.

In an exemplary embodiment, the acquiring module is configured to: directly acquire location information of the to-be-paged UE from a location server by using an A1 interface.

In an exemplary embodiment, the determining module is configured to:

In an exemplary embodiment, the optimization module is configured to: send a paging message to at least one cell within the range of the base station in which the determined UE to be paged is currently located.

The embodiment of the present invention further provides a computer readable storage medium storing computer executable instructions, the method for implementing the paging optimization when the computer executable instructions are executed.

The method and device for paging optimization provided by the embodiment of the present invention pre-set the correspondence between the UE to be paged and the TA information, the correspondence between the TA information and the base station, and the correspondence between the base station and the cell under the jurisdiction; Position information of the UE; determining the range of the base station to be sent by the paging message according to the obtained location information of the to-be-patched UE and the preset correspondence relationship; the correspondence between the TA information and the base station, and the base station and the cell under the jurisdiction Corresponding relationship between the cell and the TA information of each base station in the range of the base station; determining the correspondence between the TA information corresponding to the UE to be paged and the cell and TA information of each base station in the range of the base station The range of cells delivered by the paging message is optimized within the range of the base station. In this way, according to the location information of the UE to be paged, a more optimized paging policy is provided, thereby optimizing the cell range delivered by the paging message, and preventing the signaling storm from occurring while avoiding excessive consumption of the wireless resource to a certain extent. It is beneficial to improve the paging success rate, improve the network performance, and improve the user's service experience, so as to ensure a good balance between the paging experience of the end user and the consumption of wireless resources.

Other aspects will be apparent upon reading and understanding the drawings and detailed description.

BRIEF abstract

1 is a schematic flowchart of a method for paging optimization according to Embodiment 1 of the present invention;

2 is a schematic diagram of an interaction process of a paging optimization method according to Embodiment 2 of the present invention;

3 is a schematic flowchart of a method for paging optimization according to Embodiment 3 of the present invention;

4 is a schematic structural diagram of a system corresponding to a paging optimization method according to Embodiment 3 of the present invention;

FIG. 5 is a schematic structural diagram of a device for paging optimization according to Embodiment 4 of the present invention.

Preferred embodiment of the invention

Embodiments of the present invention will be described below with reference to the accompanying drawings. It should be noted that the embodiments in the present application and the various manners in the embodiments may be combined with each other without conflict.

In the related art, since the paging message is sent by the MME to the eNB, and the related UE is searched within the coverage of the eNB, the radio resource of the eNB is occupied. In order to improve the paging success rate and the service experience of the end user, the MME needs to send a large number of paging messages to expand the paging range. However, the more paging messages sent by the MME, the larger the paging range and the consumed wireless resources. There will be more, therefore, the pressure on the network will become larger and larger; at the same time, with the increasing number of push services, a large number of paging messages are sent to the dormant smart terminals, if the push service is sent to High-density people in the stadium are likely to induce signaling storms in the LTE/EPC network, which can overload the network element equipment and cause the entire network to be paralyzed.

In the embodiment of the present invention, the UE may include, but is not limited to, a mobile device such as a mobile phone, a tablet, or a palmtop computer.

Embodiment 1:

As shown in FIG. 1, the implementation process of the paging optimization method in the embodiment of the present invention includes the following steps:

Step 101: Pre-set the correspondence between the UE to be paged and the TA information, the correspondence between the TA information and the base station, and the correspondence between the base station and the cell under the jurisdiction;

Step 102: Obtain location information of a UE to be paged.

The step may include: obtaining location information of the UE to be paged by using location information of the UE carried in the TAU request message; or

Here, the A1 interface may be an interface between a location server and an MME;

Optionally, the location information of the UE that is carried in the TAU request message may include: moving the location information of the trajectory of the UE within a certain period of time, and moving the certain time period The location information of the trajectory is analyzed, and the location information of the UE in the next same time period is estimated according to the analysis result, and the location information of the UE is reported in the TAU request message.

Here, how to estimate the location information of the UE in the next same time period according to the analysis result belongs to the technology known in the art, and will not be further described herein.

Here, optionally, the location information of the UE in a certain period of time may include historical location information of the UE in the connected state and/or the idle state, where the location information of the UE may be arbitrarily set according to the user's needs.

Here, optionally, the location information of the UE may include cell information of the UE in a connected state and/or an idle state;

The cell information may include at least one of the following: a cell information of a UMTS Terrestrial Radio Access Network (UTRAN) system, and a Global System for Mobile communication (GSM)/Enhanced type. Cell rate information of the LTE (Enhanced Data Rate for GSM Evolution) radio access network (GERAN) system, cell information of the LTE system, and code division multiple access (CDMA, Code Division Multiple Access) The cell information of the system.

Step 103: Determine, according to the obtained location information of the to-be-patched UE and all correspondences preset in advance, a range of base stations to which a paging message needs to be sent;

The step may include: parsing the base station identifier (IDentity, ID) currently camped on the UE to be paged according to the location information of the to-be-patched UE; and corresponding to the TA information and the TA information corresponding to the UE to be paged The relationship between the base station, the base station and the cell under the jurisdiction, and the base station ID of the parsed UE currently camped on, determine the range of the base station to which the paging message needs to be sent.

The paging message may be sent to the at least one base station in the determined base station range in the form of an S1 Application Protocol (S1-Application Protocol) message.

Step 104: Determine, according to the correspondence between the TA information and the base station, and the corresponding relationship between the base station and the subordinate cell, the correspondence between the cell and the TA information of each base station in the range of the base station;

Step 105: Optimize the paging message within the determined range of the base station according to the TA information corresponding to the UE to be paged and the corresponding relationship between the cell and the TA information of each base station in the range of the base station. The range of cells issued.

Here, the determining the range of the cell to be sent by the paging message in the range of the determined base station may be: sending the paging message to at least one of the determined range of the base station in which the to-be-paged UE is currently located. The cell, for example, sends the paging message only to one or more cells in the determined base station range in which the to-be-patched UE is currently most likely to be located.

The implementation process of the paging optimization method in the embodiment of the present invention is described in detail below.

Embodiment 2:

FIG. 2 is a schematic diagram of an interaction process of a paging optimization method according to Embodiment 2 of the present invention. As shown in FIG. 2, the implementation process of the paging optimization method in the embodiment of the present invention includes the following steps:

Step 201: The UE reports the location information of the to-be-patched UE to the eNB, and the location information of the to-be-patched UE is carried in the TAU request message.

Here, the location information of the UE to be paged reported by the UE may be that the location information is obtained, estimated, and reported by the UE itself.

The location information obtained by the UE itself may include location information of the UE in a certain period of time; the location information of the UE in a certain period of time may include historical location information of the UE in the connected state and/or the idle state, and may be according to user requirements. Arbitrarily set. In other words, the location information of the UE to be paged in the same time period can be estimated according to the historical location information of the UE, and the prediction result is reported to the eNB.

Here, the UE positioning may include the following types: the first type is a GPS (Global Position System) positioning by satellite, the positioning method has an accuracy of between 3 meters and 5 meters; the second type is through a base station. The network performs rough positioning, which is called CELLID (CELL IDentity) positioning. Compared with the GPS positioning mode, the accuracy of the positioning mode is small, and the general positioning error is 100 meters. The third type is the auxiliary global positioning system (AGPS). Assisted Global Positioning System), AGPS is a positioning technology combined with CELLID and GPS positioning methods. It is more accurate to use this positioning method for UE positioning.

The UE may obtain historical location information of the UE in the connected state and/or the idle state by using any one of the foregoing positioning modes, including a moving track in a time period; and determining, based on the historical location information and the data of the moving track, Subsequent location after user migration; subsequent locations after migration To include one or more location information. Optionally, the UE may collect location information of the trajectory of the trajectory in a certain period of time, and analyze a large amount of location information in the certain period of time, and according to the analysis result of the big data, predict the formation of the UE at a certain point in time. Possible location, for example, collecting location information of a user's movement trajectory within a certain period of time, such as 24 hours, thereby obtaining the actual location of the user at each time point in the time period, and thereby estimating the next 24-hour time period. The possible location information of the internal user and the estimated location information is reported to the eNB.

Here, how to estimate the possible location information of the user in the next 24-hour period is a technique known in the art, and will not be repeated here.

Here, the location information of the UE may include cell information of the UE in a connected state and/or an idle state, and the cell information may include, but is not limited to, cell information of a UTRAN system, cell information of a GERAN system, a cell of an LTE system. Information, cell information of a CDMA system, wherein the cell information may include a cell global identifier.

It can be noted that due to the mobility of the UE, the called UE may be in any position in the network before the communication. The cellular mobile communication system can use a paging procedure to initiate a call to an idle UE. Based on the UE-controlled mobility management policy, it is determined that the network can only know the location of the UE at the TA level. Therefore, when the network needs to page the UE, its paging message can only be sent on all cells in the entire TA level. Generally, one TA includes tens or even hundreds of cells. Considering that sending the same paging message to all cells simultaneously in the TA level may consume a large amount of air interface resources, in order to avoid the above problem, it is necessary to minimize the transmission of paging. The number of cells.

Step 202: The eNB reports the location information of the UE to be paged in the TAU request message to the MME.

Here, optionally, in the connected state, the UE sends the location information to the MME, which may refer to the completion of the UE in the TAU process. In order to confirm the location of the mobile station, the network coverage area will be divided into several TAs. When the UE moves from one TA to another TA, location registration needs to be re-registered on the new TA to notify the network to change the stored mobile. Station location information (that is, location information of the UE), this process is called TAU. The TAU process in the idle state and/or the connected state may be as follows:

In the idle state, the UE may send an RRC Connection Setup Complete message to the eNB, including a non-access stratum (NAS, Non Access Stratum) TAU request (TAU). Request information); the location information of the UE may be carried in the TAU request message; the eNB may select the MME, and send an initialization UE message (INITIAL UE MESSAGE) to the MME, including a NAS layer TAU request message; accordingly, the MME may acquire the location of the UE information.

In the connected state, the UE may send an uplink direct transmission message (ULInformationTransfer) to the eNB, including a NAS layer TAU request message, and may carry the location information of the UE in the TAU request message; the eNB may select the MME. And sending an UPLINK NAS TRANSPORT message to the MME, including a NAS layer TAU request message; correspondingly, the MME may acquire location information of the UE.

Step 203: The MME optimizes the range delivered by the paging message according to the location information of the UE to be paged reported by the eNB.

Here, optionally, firstly, the correspondence between the UE to be paged and the TA information, the correspondence between the TA information and the base station, and the correspondence between the base station and the cell under the jurisdiction are required to be set in advance; The location information and the preset correspondences determine the range of the base station to which the paging message needs to be sent. Then, the cell range delivered by the paging message can be optimized within the determined base station range.

Optionally, the MME may parse the base station ID that the UE may currently camp on by using the location information reported by the UE; the MME may be configured according to the TA information corresponding to the UE to be paged, the correspondence between the TA and the eNB, and the eNB and the subordinate cell. The corresponding relationship between the node and the parsed base station ID that the UE may currently camp on determines which eNBs the paging information needs to be sent to, that is, determines the range of base stations to which the paging message needs to be sent; The TA information corresponding to the UE and the correspondence between the cell and the TA under each base station in the range of the base station are determined, and the air interfaces of the cells in which the paging message needs to be sent are determined.

It can be noted that, according to the correspondence between the TA information and the base station, and the correspondence between the base station and the cell under the jurisdiction, the correspondence between the cell under the base station and the TA information can be obtained.

Here, the cell range that is sent by the optimized paging message may be: sending a paging message to at least one cell in the range of the base station that the determined UE to be paged is currently in, for example, paging message It is only sent to one or more cells in the range of base stations that the UE to be paged is currently most likely to be in.

Here, the paging message may be sent to the determined base station in the form of an S1-AP message. At least one base station.

Embodiment 3:

As shown in FIG. 3, the implementation process of the paging optimization method in the embodiment of the present invention includes the following steps:

Step 301: Obtain location information of the UE to be paged from the location server.

Here, optionally, according to the location function of the location server, the location of the paging UE may be located at any time, and the location information of the UE to be paged may be obtained; the location server may also be used to store the location information of the UE, where the location server It may be any one of a GPS server, a base station network positioning server, and an AGPS server, or any other server capable of realizing location information storage.

FIG. 4 is a schematic structural diagram of a system corresponding to a paging optimization method according to an embodiment of the present invention. As shown in FIG. 4, an A1 interface is an interface between a location server and an MME, that is, a location server connects to an MME through an A1 interface, in other words, The MME can obtain the location information of the UE to be paged from the location server through the A1 interface. The location information may be cell information currently camped on by the UE; the cell information may include at least one of the following: cell information of the UTRAN system, cell information of the GERAN system, cell information of the LTE system, and cell information of the CDMA system.

Here, the location server may perform coarse positioning by the base station network, which is called CELLID positioning, to obtain the cell location information that the UE is currently located, and send the location information to the MME.

Step 302: The MME determines the range of the base station to be delivered by the paging message, and optimizes the cell range delivered by the paging message within the determined range of the base station.

Optionally, the MME may parse the base station ID that the UE may currently camp on by acquiring the location information of the to-be-patched UE; the MME may be configured according to preset TA information corresponding to the UE to be paged, between the TA and the eNB. Corresponding relationship, the correspondence between the eNB and the cell under the jurisdiction, and the parsed base station ID that the UE may currently camp on, determine which eNBs the paging information needs to be sent to, that is, determine the range of base stations to which the paging message needs to be sent; The eNB may determine, according to the received TA information corresponding to the UE to be paged, and the correspondence between the cell and the TA under each base station in the range of the base station, in which cells the paging message needs to be sent.

Here, the paging message may be sent in the form of an S1-AP message to at least one base station within the determined base station range.

The UE paging optimization can be implemented by any one of the foregoing two implementations, and the UE can be searched by paging optimization auxiliary information reporting in the communication network in the related art and the complex small base station or home base station environment. The optimization of the delivery range of the call message is beneficial to improve the network performance. While preventing the occurrence of the signaling storm, the wireless resource consumption can be avoided to a certain extent, so that the paging experience and the consumption of the wireless resources are consumed by the terminal user. Get a good balance.

Embodiment 4:

In order to implement the above method, the embodiment of the present invention further provides a device for paging optimization. As shown in FIG. 5, the device includes a preset module 501, an obtaining module 502, a determining module 503, and an optimization module 504.

The preset module 501 is configured to: preset a correspondence between the UE to be paged and the TA information, a correspondence between the TA information and the base station, and a correspondence between the base station and the cell under the jurisdiction;

The obtaining module 502 is configured to: obtain location information of the UE to be paged;

The determining module 503 is configured to: determine, according to the acquired location information of the to-be-patched UE and all corresponding correspondences preset, a range of base stations to be sent by the paging message; and further set: corresponding to the base station according to the TA information Corresponding relationship between the base station and the subordinate cell, and determining a correspondence between the cell under the base station and the TA information in the range of the base station;

The optimization module 504 is configured to: optimize the paging message within the determined range of the base station according to the TA information corresponding to the UE to be paged and the correspondence between the cell and the TA information of each base station in the range of the base station. The range of cells issued.

Here, the obtaining module 502 may be configured to: carry in the message through the TAU request message. Position information of the UE, obtaining location information of the UE to be paged; or

Optionally, the location information of the UE carried in the TAU request message may include:

Here, the determining module 503 may be configured to: parse the base station ID currently camped by the UE according to the location information of the to-be-patched UE; and determine the correspondence between the TA information corresponding to the UE to be paged, the TA information, and the base station. The corresponding relationship between the base station and the cell under the jurisdiction, and the base station ID of the parsed UE currently camped on, determine the range of the base station to be sent by the paging message.

The paging message may be sent in the form of an S1-AP message to at least one base station within the determined base station range.

The location information of the UE may include cell information of the UE in a connected state and/or an idle state; the cell information may include at least one of the following: cell information of the UTRAN system, cell information of the GERAN system, and cell information of the LTE system. , cell information of the CDMA system.

Here, the optimization module 504 may be configured to: send a paging message to at least one cell within the range of the base station in which the determined UE to be paged is currently located.

In an actual application, the preset module 501, the obtaining module 502, the determining module 503, and the optimizing module 504 may each be a central processing unit (CPU) and a microprocessor (MPU, Micro Processor Unit) located on the MME. , digital signal processor (DSP, Digital Signal Processor), or Field Programmable Gate Array (FPGA) implementation.

The embodiment of the present invention pre-sets the correspondence between the UE to be paged and the TA information, the correspondence between the TA information and the base station, and the correspondence between the base station and the cell under the jurisdiction; and acquires the location information of the UE to be paged; Determining the location information of the paging UE and the preset correspondences, determining the range of the base station to be sent by the paging message; determining each base station in the range of the base station according to the correspondence between the TA information and the base station, and the corresponding relationship between the base station and the cell under the jurisdiction Corresponding relationship between the cell and the TA information; according to the TA information corresponding to the UE to be paged, and each base station within the base station Corresponding relationship between the cell and the TA information, and optimizing the cell range delivered by the paging message within the determined range of the base station. In this way, according to the location information of the UE to be paged, a more optimized paging policy is provided, thereby optimizing the cell range delivered by the paging message, and preventing the signaling storm from occurring while avoiding excessive consumption of the wireless resource to a certain extent. It is beneficial to improve the paging success rate, improve the network performance, and improve the user's service experience, so as to ensure a good balance between the paging experience of the end user and the consumption of wireless resources.

Embodiments of the present invention also provide a computer readable storage medium storing computer executable instructions, which are implemented when the computer executable instructions are executed.

Those skilled in the art will appreciate that embodiments of the invention may be provided as a method, system, or computer program product. Thus, embodiments of the invention may take the form of a hardware embodiment, a software embodiment, or a combination of software and hardware. Moreover, embodiments of the invention may take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) in which computer usable program code is embodied.

It will be appreciated that embodiments of the invention are described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (system), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for generating settings by instructions executed by a processor of a computer or other programmable data processing device Means for implementing the functions specified in a block or blocks of a flow or a flow and/or a block diagram of a flow chart.

It will be appreciated that these computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device. The instruction means implements the functions specified in one or more blocks of the flow or in a flow or block diagram of the flowchart.

It will be appreciated that these computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for use in a computer or other programmable device The instructions executed above provide steps for implementing the functions specified in one or more blocks of the flowchart or in a block or blocks of the flowchart.

One of ordinary skill in the art will appreciate that all or a portion of the steps of the above-described embodiments can be implemented using a computer program flow, which can be stored in a computer readable storage medium, such as on a corresponding hardware platform (eg, The system, device, device, device, processor, etc. are executed, and when executed, include one or a combination of the steps of the method embodiments.

Alternatively, all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.

The devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.

When the device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium. The above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

A person skilled in the art can understand that the technical solutions of the present application can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present application. The scope of protection of this application is defined by the scope defined by the claims.

Industrial applicability

The embodiment of the present invention pre-sets the correspondence between the UE to be paged and the TA information, the correspondence between the TA information and the base station, and the correspondence between the base station and the cell under the jurisdiction; and acquires the location information of the UE to be paged; Determining the location information of the paging UE and the preset correspondences, determining the range of the base station to be sent by the paging message; determining each base station in the range of the base station according to the correspondence between the TA information and the base station, and the corresponding relationship between the base station and the cell under the jurisdiction Corresponding relationship between the cell and the TA information; determining the paging message in the determined range of the base station according to the TA information corresponding to the UE to be paged and the correspondence between the cell and the TA information of each base station in the range of the base station The range of cells sent. In this way, according to the location information of the UE to be paged, a more optimized paging policy is provided, thereby optimizing the cell range delivered by the paging message, and preventing the signaling storm from occurring while avoiding excessive consumption of the wireless resource to a certain extent. It is beneficial to improve the paging success rate, improve the network performance, and improve the user's service experience, so as to ensure a good balance between the paging experience of the end user and the consumption of wireless resources.

Claims

A method for paging optimization, which pre-sets a correspondence between a user equipment UE to be paged and a tracking area TA information, a correspondence between a TA information and a base station, and a correspondence between a base station and a subordinate cell; the method further includes:

Obtaining location information of the UE to be paged;

Determining, according to the obtained location information of the to-be-patched UE and all correspondences preset in advance, determining a range of base stations to which the paging message needs to be sent;

Determining, according to the correspondence between the TA information and the base station, and the corresponding relationship between the base station and the subordinate cell, the correspondence between the cell and the TA information of each base station in the range of the base station;

The cell range delivered by the paging message is optimized within the determined range of the base station according to the TA information corresponding to the UE to be paged and the corresponding relationship between the cell and the TA information of each base station in the range of the base station.
The method of claim 1, wherein the obtaining location information of the UE to be paged comprises:

The location information of the UE to be paged is obtained by the location information of the UE carried in the TAU request message.
The method according to claim 2, wherein the location information of the UE carried in the TAU request message includes:

The location information of the mobile trajectory in the certain time period is analyzed by collecting the location information of the mobile trajectory of the UE in a certain period of time, and the location information of the UE in the next same time period is estimated according to the analysis result, and the UE is reported to the UE. The location information is in the TAU request message.
The method of claim 1, wherein the obtaining location information of the UE to be paged comprises:

The location information of the to-be-paged UE is directly obtained from the location server through the A1 interface.
The method according to claim 1, wherein the determining, according to the obtained location information of the to-be-patched UE and all correspondences preset, determining a range of base stations to be sent by the paging message, including:

Determining, according to the location information of the to-be-patched UE, a base station identifier ID currently camped by the UE to be paged;

Determining the range of the base station to be sent by the paging message according to the TA information corresponding to the UE to be paged, the correspondence between the TA information and the base station, the correspondence between the base station and the cell under the jurisdiction, and the base station ID of the parsed UE currently camped on. .
The method according to claim 1, wherein the optimizing the cell range delivered by the paging message within the determined range of the base station comprises:

And sending the paging message to the at least one cell in the range of the base station that the determined UE to be paged is currently in.
An apparatus for paging optimization, the apparatus comprising: a preset module, an acquisition module, a determination module, and an optimization module; wherein

The preset module is configured to: preset a correspondence between the user equipment UE to be paged and the tracking area TA information, a correspondence between the TA information and the base station, and a correspondence between the base station and the cell under the jurisdiction;

The acquiring module is configured to: obtain location information of the UE to be paged;

The determining module is configured to: determine, according to the obtained location information of the to-be-patched UE and all corresponding correspondences preset, a range of base stations to be sent by the paging message; and further set: according to the correspondence between the TA information and the base station Corresponding relationship between the base station and the subordinate cell, and determining a correspondence between the cell under the base station and the TA information in the range of the base station;

The optimization module is configured to: according to the TA information corresponding to the UE to be paged, and the corresponding relationship between the cell and the TA information of each base station in the range of the base station, optimize the paging message within the determined range of the base station The range of cells sent.
The apparatus according to claim 7, wherein the obtaining module is configured to: acquire location information of the UE to be paged by updating location information of the UE carried in the TAU request message by using the tracking area.
The device according to claim 8, wherein the location information of the UE carried in the TAU request message includes:

By collecting location information of the trajectory of the UE itself within a certain period of time, the time is determined The location information of the mobile trajectory in the inter-segment is analyzed, and the location information of the UE in the next same time period is estimated according to the analysis result, and the location information of the UE is reported in the TAU request message.
The apparatus according to claim 7, wherein the obtaining module is configured to: directly acquire location information of the to-be-paged UE from a location server through an A1 interface.
The apparatus of claim 7, wherein the determining module is configured to:

Determining, according to the location information of the to-be-patched UE, the base station identifier ID currently camped by the UE to be paged; the TA information corresponding to the UE to be paged, the correspondence between the TA information and the base station, and the correspondence between the base station and the cell under the jurisdiction The relationship, and the parsed base station ID of the currently camped UE, determine the range of base stations to which the paging message needs to be sent.
The apparatus according to claim 7, wherein the optimization module is configured to: send a paging message to at least one cell within the range of the base station in which the determined UE to be paged is currently located.