CN116634562A

CN116634562A - Paging message sending method and device, core network equipment and access network equipment

Info

Publication number: CN116634562A
Application number: CN202210135651.6A
Authority: CN
Inventors: 韩鲁峰; 吴晓波; 张艳霞; 刘选兵
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2023-08-22

Abstract

The application discloses a method and a device for sending paging messages, core network equipment and access network equipment, which belong to the technical field of communication, and the method for sending the paging messages in the embodiment of the application comprises the following steps: under the condition that the target geographic area meets the network coverage condition, the core network equipment sends a paging message to the access network equipment corresponding to the target terminal; the target geographic area is an area where a target terminal is actually located or an area where the core network equipment presumes that the target terminal is located.

Description

Paging message sending method and device, core network equipment and access network equipment

Technical Field

The present application belongs to the field of communication technologies, and in particular, to a method and an apparatus for sending a paging message, a core network device, and an access network device.

Background

In the land Network, a Core Network (CN) determines a target cell or a target base station corresponding to a target TA according to a corresponding relation between a Tracking Area (TA) and a cell (cell), and sends a PAGING (PAGING) message to the target base station, so that no cell coverage exists in the target TA.

In satellite networks, however, when the network initiates a procedure, such as a PAGING procedure, the following may exist: if the current satellite does not cover the target geographic area (e.g., TA), or the satellite which currently covers but covers the target geographic area is about to leave, if the target UE is in the target geographic area, the PAGING procedure initiated at this time will likely fail, which wastes signaling resources and cannot achieve the purpose of PAGING to the UE.

Disclosure of Invention

The embodiment of the application provides a method and a device for sending paging messages, core network equipment and access network equipment, which can solve the problem that a target geographic area possibly appears in a satellite network and is not covered by the network, so that the paging is highly probable or inevitably failed.

In a first aspect, a method for sending a paging message is provided, including:

under the condition that the target geographic area meets the network coverage condition, the core network equipment sends a paging message to the access network equipment corresponding to the target terminal;

the target geographic area is an area where a target terminal is actually located or an area where the core network equipment presumes that the target terminal is located.

In a second aspect, a method for sending a paging message is provided, including:

the access network equipment receives paging information sent by the core network equipment;

the access network equipment sends the paging message to a target terminal under the condition that the target geographic area meets the network coverage condition; and the target geographic area is the area where the target terminal is actually located or the access network equipment presumes the area where the target terminal is located.

In a third aspect, there is provided a transmitting apparatus of a paging message, including:

The first sending module is used for sending a paging message to the access network equipment corresponding to the target terminal under the condition that the target geographic area meets the network coverage condition;

In a fourth aspect, there is provided a transmitting apparatus of a paging message, including:

the paging receiving module is used for receiving paging messages sent by the core network equipment;

a third processing module, configured to send the paging message to a target terminal when the target geographic area meets a network coverage condition; and the target geographic area is the area where the target terminal is actually located or the access network equipment presumes the area where the target terminal is located.

In a fifth aspect, there is provided a core network device comprising a processor and a memory storing a program or instructions executable on the processor, which program or instructions when executed by the processor implement the steps of the method as described in the first aspect.

In a sixth aspect, a core network device is provided, including a processor and a communication interface, where the processor is configured to send a paging message to an access network device corresponding to a target terminal when a target geographic area meets a network coverage condition; the target geographic area is an area where a target terminal is actually located or an area where the core network equipment presumes that the target terminal is located.

In a seventh aspect, there is provided an access network device comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the method as described in the second aspect.

An eighth aspect provides an access network device, including a processor and a communication interface, where the communication interface is configured to receive a paging message sent by a core network device; the processor is used for sending the paging message to the target terminal under the condition that the target geographic area meets the network coverage condition; and the target geographic area is the area where the target terminal is actually located or the access network equipment presumes the area where the target terminal is located.

In a ninth aspect, there is provided a communication system comprising: a core network device operable to perform the steps of the method as described in the first aspect, and an access network device operable to perform the steps of the method as described in the second aspect.

In a tenth aspect, there is provided a readable storage medium having stored thereon a program or instructions which when executed by a processor, performs the steps of the method according to the first aspect or performs the steps of the method according to the second aspect.

In an eleventh aspect, there is provided a chip comprising a processor and a communication interface coupled to the processor, the processor being for running a program or instructions to implement the method according to the first aspect or to implement the method according to the second aspect.

In a twelfth aspect, there is provided a computer program/program product stored in a storage medium, the computer program/program product being executed by at least one processor to implement the steps of the method as described in the first aspect, or to implement the steps of the method as described in the second aspect.

In the embodiment of the application, under the condition that the target geographic area meets the network coverage condition, the paging process of the target geographic area is considered to be a paging process which is successful with high probability or has certain success, and the core network equipment or the access network equipment sends the paging message under the condition, so that the waste of resources caused by the paging process is reduced.

Drawings

Fig. 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable;

fig. 2 shows one of the step flowcharts of the paging message sending method provided in the embodiment of the present application;

FIG. 3 is a schematic diagram of an example one provided by an embodiment of the present application;

fig. 4 shows a second flowchart of a step of a method for sending a paging message according to an embodiment of the present application;

FIG. 5 is a schematic diagram of an example II provided by an embodiment of the present application;

FIG. 6 shows a schematic diagram of an example III provided by an embodiment of the present application;

fig. 7 shows one of schematic structural diagrams of a paging message sending device according to an embodiment of the present application;

fig. 8 shows a second schematic structural diagram of a paging message sending device according to an embodiment of the present application;

fig. 9 is a schematic structural diagram of a communication device according to an embodiment of the present application;

fig. 10 shows one of schematic structural diagrams of a network side device according to an embodiment of the present application;

fig. 11 shows a second schematic diagram of a network side device according to an embodiment of the present application.

Detailed Description

The technical solutions of the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the application, fall within the scope of protection of the application.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or otherwise described herein, and that the "first" and "second" distinguishing between objects generally are not limited in number to the extent that the first object may, for example, be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/" generally means a relationship in which the associated object is an "or" before and after.

It should be noted that the techniques described in the embodiments of the present application are not limited to long term evolution (Long Term Evolution, LTE)/LTE-Advanced (LTE-a) systems, but may also be used in other wireless communication systems, such as code Division multiple access (Code Division Multiple Access, CDMA), time Division multiple access (Time DivisionMultiple Access, TDMA), frequency division Multiple Access (Frequency Division Multiple Access, FDMA), orthogonal frequency division Multiple Access (Orthogonal Frequency Division Multiple Access, OFDMA), single-Carrier frequency division Multiple Access (SC-carrier Frequency Division Multiple Access, FDMA), and other systems. The terms "system" and "network" in embodiments of the application are often used interchangeably, and the techniques described may be used for both the above-mentioned systems and radio technologies, as well as other systems and radio technologies. The following description describes a New air interface (NR) system for purposes of example and uses NR terminology in much of the description that follows, but these techniques are also applicable to applications other than NR system applications, such as generation 6 (6) ^th Generation, 6G) communication system.

Fig. 1 shows a block diagram of a wireless communication system to which an embodiment of the present application is applicable. The wireless communication system includes a terminal 11 and a network device 12. The terminal 11 may be a mobile phone, a tablet (Tablet Personal Computer), a Laptop (Laptop Computer) or a terminal-side Device called a notebook, a personal digital assistant (Personal Digital Assistant, PDA), a palm top, a netbook, an ultra-mobile personal Computer (ultra-mobile personal Computer, UMPC), a mobile internet appliance (Mobile Internet Device, MID), an augmented reality (augmented reality, AR)/Virtual Reality (VR) Device, a robot, a Wearable Device (weather Device), a vehicle-mounted Device (VUE), a pedestrian terminal (PUE), a smart home (home Device with a wireless communication function, such as a refrigerator, a television, a washing machine, or a furniture), a game machine, a personal Computer (personal Computer, PC), a teller machine, or a self-service machine, and the Wearable Device includes: intelligent wrist-watch, intelligent bracelet, intelligent earphone, intelligent glasses, intelligent ornament (intelligent bracelet, intelligent ring, intelligent necklace, intelligent anklet, intelligent foot chain etc.), intelligent wrist strap, intelligent clothing etc.. It should be noted that the specific type of the terminal 11 is not limited in the embodiment of the present application. The network-side device 12 may comprise an access network device or a core network device, wherein the access network device 12 may also be referred to as a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function or a radio access network element. Access network device 12 may include a base station, a WLAN access point, a WiFi node, or the like, which may be referred to as a node B, an evolved node B (eNB), an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service set (Basic Service Set, BSS), an extended service set (Extended Service Set, ESS), a home node B, a home evolved node B, a transmission and reception point (Transmitting Receiving Point, TRP), or some other suitable terminology in the art, and the base station is not limited to a particular technical vocabulary so long as the same technical effect is achieved, and it should be noted that in the embodiment of the present application, only a base station in the NR system is described as an example, and the specific type of the base station is not limited. The core network device may include, but is not limited to, at least one of: core network nodes, core network functions, mobility management entities (Mobility Management Entity, MME), access mobility management functions (Access and Mobility Management Function, AMF), session management functions (Session Management Function, SMF), user plane functions (User Plane Function, UPF), policy control functions (Policy Control Function, PCF), policy and charging rules function units (Policy and Charging Rules Function, PCRF), edge application service discovery functions (Edge Application Server Discovery Function, EASDF), unified data management (Unified Data Management, UDM), unified data repository (Unified Data Repository, UDR), home subscriber server (Home Subscriber Server, HSS), centralized network configuration (Centralized network configuration, CNC), network storage functions (Network Repository Function, NRF), network opening functions (Network Exposure Function, NEF), local NEF (or L-NEF), binding support functions (Binding Support Function, BSF), application functions (Application Function, AF), and the like. It should be noted that, in the embodiment of the present application, only the core network device in the NR system is described as an example, and the specific type of the core network device is not limited.

The method, the device, the core network device and the access network device for sending the paging message provided by the embodiment of the application are described in detail below through some embodiments and application scenes thereof with reference to the accompanying drawings.

As shown in fig. 2, an embodiment of the present application provides a method for sending a paging message, including:

step 201, in the case that the target geographic area meets the network coverage condition, the core network device sends a paging message to the access network device corresponding to the target terminal; the target geographic area is an area where a target terminal is actually located or an area where the core network equipment presumes that the target terminal is located.

It should be noted that, the "target geographic area" mentioned in the embodiments of the present application may also be understood as "target tracking area TA" or "target cell", or "target registration area", or "target service area", and the description will not be repeated hereinafter.

Optionally, the target geographic area comprises: a target location (location), a target area (area), and a target country (county).

Alternatively, the core network device may be an access and mobility management function (Access and Mobility Management Function, AMF) network element, or a session management function (Session Management Function, SMF) network element, or a user plane function (User plane Function, UPF) network element, etc.

In the embodiment of the present application, when the target geographical area meets the network coverage condition, the paging procedure of the target geographical area is considered to be a paging procedure with a high probability of success or a certain success, and in this case, the core network device sends the paging message, that is, before deciding whether to send the paging message, the core network device in the embodiment of the present application needs to determine whether the target geographical area meets the network coverage condition, thereby reducing the waste of resources caused by the paging procedure.

In at least one embodiment of the present application, the target geographic area meeting network coverage conditions comprises:

the target geographic area is covered by a satellite network;

or,

the target geographic area is covered by a satellite network until the core network equipment sends a service request response;

or,

the target geographic area is covered by a satellite network for a preset period of time.

Optionally, the preset time period is a time period from the beginning to the end of the service request flow predicted by the core network device.

It should be noted that the service request response is a step in the service request flow (service request procedure), and the service request response is sent to the terminal to inform that the service request is successful or failed.

In at least one embodiment of the application, the method further comprises:

and under the condition that the target geographic area does not meet the network coverage condition, the core network equipment does not send the paging message to the access network equipment. It may also be understood that the core network device suspends or stops the first paging procedure corresponding to the target terminal.

Suspending the first paging procedure may alternatively be referred to as deferring the first paging procedure, or suspending the first paging procedure.

In the embodiment of the application, under the condition that the target geographic area corresponding to the first paging procedure does not meet the network coverage condition, the core network equipment considers that the first paging procedure is a paging procedure with high probability of failure or certain failure, and the core network equipment suspends or stops the first paging procedure, thereby reducing the waste of resources caused by the paging procedure.

Optionally, during suspension of the first paging procedure, the core network device may buffer downlink signaling or downlink data.

In at least one embodiment of the application, the method further comprises:

the core network device performs the first operation, the first operation including at least one of:

suspending the paging timer corresponding to the paging message may also be referred to as suspending the paging timer corresponding to the first paging procedure;

Determining a first duration of not sending the paging message may also be referred to as determining a first suspension time length of the first paging procedure;

transmitting the paging message to the access network device after the first duration has ended, which may also be referred to as recovering or executing the first paging procedure after determining a first suspension time length;

a paging failure indication is sent, e.g., the AMF informs the SMF of the paging failure.

Optionally, the first suspension time length of the first paging procedure may be determined according to ephemeris information and/or NWDAF analysis information. Wherein, the analysis information (analytics information) of the NWDAF (Network Data Analytics Function, network data analysis function) includes: statistical (statistics) information and/or predictive (predictions) information.

As an alternative embodiment, the target geographic area not meeting the network coverage condition includes:

the target geographic area is not currently covered by satellites;

or,

the target geographic area currently has satellite coverage but satellite coverage of the target geographic area is about to be lost; wherein the impending loss of satellite coverage of the target geographic area can be understood as: satellite coverage for the target geographic area will be predictably lost or, alternatively, satellite coverage for the target geographic area will be lost as planned.

The "satellite network" is a network to which a terminal accesses through a satellite or a network relayed through a satellite.

In at least one embodiment of the present application, the first paging procedure is used for paging the target terminal.

In the embodiment of the present application, whether the target geographic area meets the network coverage condition may be determined by the core network device, or may be determined by the access network device.

As an alternative embodiment, in case the target geographical area satisfies the network coverage condition determined by the core network device, the method further comprises:

the core network device determines whether the target geographic area satisfies the network coverage condition.

Accordingly, after the core network device suspends the first paging procedure, the method further includes:

and under the condition that the core network equipment determines that the target geographic area meets the network coverage condition, the core network equipment sends a paging message to the access network equipment, which can also be called as the core network equipment to recover or execute a first paging procedure, and/or the core network equipment recovers or starts a paging timer corresponding to the first paging procedure.

Example one, a processing method for recovering the first paging procedure is shown in fig. 3:

step 31, the core network device suspends the first paging procedure;

in step 32, the core network device determines that the target geographic area satisfies network coverage conditions, e.g., the target geographic area resumes cell coverage, satellite coverage, etc.

Step 33a, the core network device sends a paging message to the access network device; i.e. the core network device resumes or performs the first paging procedure and/or the core network device resumes or starts the paging timer.

Step 33b, the access network device sends a paging message to the satellite; alternatively, the access network device and the satellite are disposed on a device, for example, the base station is disposed on the satellite, and then step 33b may be used as internal information of the access network;

in step 33c, the satellite sends a paging message to the terminal.

As another alternative embodiment, in the case that the target geographic area satisfies the network coverage condition and is determined by the access network device, the method further includes:

the core network equipment receives second information, wherein the second information indicates that the target geographic area does not meet the network coverage condition;

the core network equipment determines that the target geographic area does not meet the network coverage condition according to the second information;

Wherein the second information includes at least one of:

notifying first notification information that the target geographical area does not satisfy the network coverage condition;

the second notification information for notifying the core network device that the paging message is not transmitted may also be referred to as second notification information for notifying the core network device that the first paging procedure is suspended or failed;

the third notification information for notifying the core network device to suspend the paging timer corresponding to the paging message may also be referred to as third notification information for notifying the core network device to suspend the paging timer corresponding to the first paging procedure;

fourth notification information for notifying the core network device that the paging message is not transmitted for the second duration may also be referred to as fourth notification information for notifying the core network device of the second suspension time length of the first paging procedure;

the fifth notification information for notifying the core network device to send the paging message after the second duration is over may also be referred to as the fifth notification information for notifying the core network device to initiate the first paging procedure or start the paging timer after the second suspension time length.

Optionally, the second suspension time length of the first paging procedure may be determined according to ephemeris information and/or NWDAF analysis information. Wherein, the analysis information (analytics information) of the NWDAF (Network Data Analytics Function, network data analysis function) includes: statistical (statistics) information and/or predictive (predictions) information.

As an alternative embodiment, the method further comprises:

the core network equipment receives third information sent by the access network equipment; the third information includes at least one of:

notifying a sixth notification information that the target geographical area satisfies the network coverage condition;

notifying the core network device to send seventh notification information of the paging message, which may also be referred to as notifying the core network device to recover or execute the seventh notification information of the first paging procedure; wherein, recovering or executing the first paging procedure may also be referred to as executing the first paging procedure again.

The notifying core network device of the eighth notifying information of recovering or starting the paging timer corresponding to the paging message may also be referred to as notifying the core network device of the eighth notifying information of recovering or starting the paging timer corresponding to the first paging procedure.

Correspondingly, after receiving the third information, the core network device executes corresponding operations according to the information carried by the third information.

In at least one embodiment of the present application, the core network device determining whether the target geographic area satisfies the network coverage condition comprises:

the core network device receives ephemeris information or real-time satellite network effective information (availability info) sent by the access network device; the real-time satellite network effective information comprises: indication information indicating whether the satellite network covers a target geographical area and/or time indication information indicating whether the satellite network covers the target geographical area; the ephemeris information includes: at least one of satellite orbit (Satellite orbital) information, satellite position (Satellite position) information, and satellite velocity (Satellite velocity) information;

And the core network equipment determines whether the target geographic area meets the network coverage condition according to the ephemeris information or real-time satellite network effective information.

For example, the access network device sends ephemeris information or real-time satellite network valid information to the core network device, and the core network device determines whether a satellite cell coverage exists in the target geographic area according to the received ephemeris information or real-time satellite network valid information, so as to determine whether to send a paging message in the satellite cell.

Alternatively, the scenario where the access network device sends ephemeris information or real-time satellite network valid information may be:

the access network equipment determines that the corresponding relation between the satellite cell and the geographic area is changed and sends the corresponding relation; or alternatively, the first and second heat exchangers may be,

the access network equipment sends at preset time; or alternatively, the first and second heat exchangers may be,

the satellites of the access network device are transmitted when they move to a preset orbital position.

In yet another optional embodiment of the present application, before the core network device receives ephemeris information or real-time satellite network valid information sent by the access network device, the method further includes:

the core network device sends query information to the access network device, wherein the query information is used for querying whether a target geographic area meets the network coverage condition;

Correspondingly, the core network device receives ephemeris information or real-time satellite network effective information sent by the access network device, and the method comprises the following steps:

and the core network equipment receives ephemeris information or real-time satellite network effective information sent by the access network equipment based on the query information. And the core network equipment determines whether the target geographic area is covered by the satellite cell according to the received ephemeris information or real-time satellite network effective information, and further determines whether paging information is sent in the satellite cell.

As an alternative embodiment, the satellite network comprises:

a network accessed through a satellite, and/or a network relayed through a satellite.

In yet another alternative embodiment of the present application, the core network device determining whether the target geographic area satisfies the network coverage condition includes:

the core network equipment acquires analysis information related to a target geographic area from a network data analysis function NWDAF network element;

and the core network equipment determines whether the target geographic area meets the network coverage condition according to the analysis information.

Wherein the analysis information related to the target geographic area includes at least one of:

Analysis information of association relation between a cell and a target geographic area;

analysis information of association relation between the terminal and the target geographic area;

and analyzing information of the association relation between the satellite and the target geographic area.

As an optional embodiment, the core network device obtains analysis information related to the target geographic area from a network data analysis function NWDAF network element, including:

the core network device subscribes to events related to a target geographic area from an NWDAF network element;

and the core network equipment receives analysis information related to a target geographic area, which is reported to the core network equipment by the NWDAF network element according to the subscription information of the core network equipment.

As another alternative embodiment, the core network device obtains analysis information related to the target geographic area from a network data analysis function NWDAF network element, including:

the core network device sends a request message to the NWDAF network element, wherein the request message is used for requesting analysis information related to a target geographic area;

and the core network equipment receives a request response message sent by the NWDAF network element, wherein the request response message carries analysis information related to a target geographic area.

In summary, in the embodiment of the present application, when the target geographic area meets the network coverage condition, the paging procedure of the target geographic area is considered to be a paging procedure that is successful with a high probability or a certain success, and in this case, the core network device sends the paging message; and under the condition that the target geographic area does not meet the network coverage condition, the core network equipment considers that the corresponding paging process is a paging process with high probability of failure or certain failure, and the core network equipment suspends or stops the paging process, so that the waste of resources caused by the paging process is reduced.

As shown in fig. 4, an embodiment of the present application further provides a method for sending a paging message, including:

step 401, an access network device receives a paging message sent by a core network device;

step 402, in the case that the target geographic area meets the network coverage condition, the access network device sends the paging message to the target terminal; and the target geographic area is the area where the target terminal is actually located or the access network equipment presumes the area where the target terminal is located.

In the embodiment of the application, when the target geographic area meets the network coverage condition, the paging process of the target geographic area is considered to be a paging process with high probability of success or certain success, and in this case, the access network device sends the paging message, that is, before deciding whether to send the paging message, the access network device in the embodiment of the application needs to determine whether the target geographic area meets the network coverage condition, thereby reducing the waste of resources caused by the paging process.

the target geographic area is covered by a satellite network;

or,

the target geographic area is covered by a satellite network until the access network equipment sends a service request response;

or,

Optionally, the preset period of time is a period of time from start to end of a service request flow predicted by the access network device.

In at least one embodiment of the application, the method further comprises:

in the case that the target geographic area does not meet the network coverage condition, the access network device does not send the paging message to the target terminal, which may also be understood as that the access network device suspends or stops the first paging procedure corresponding to the target terminal.

Suspending the first paging procedure may alternatively be referred to as deferring the first paging procedure.

In the embodiment of the application, under the condition that the target geographic area corresponding to the first paging procedure does not meet the network coverage condition, the access network equipment considers that the first paging procedure is a paging procedure with high probability of failure or certain failure, and the access network equipment suspends or stops the first paging procedure, thereby reducing the waste of resources caused by the paging procedure.

Alternatively, the access network device may buffer downlink signaling or downlink data during suspension of the first paging procedure.

the target geographic area is not currently covered by satellites;

or,

The "satellite network" is a network to which a terminal accesses through a satellite or a network relayed through a satellite. The "network coverage" mentioned in the embodiments of the present application may be referred to as "cell coverage" or "satellite cell coverage", which is not specifically limited herein. The satellite cell is a cell of a terminal accessing a network through a satellite, or a target cell, or a target registration area, or a target service area.

In at least one embodiment of the application, the method further comprises:

the access network device performs a second operation, the second operation comprising at least one of:

determining a second duration of not sending the paging message may also be referred to as determining a second suspension time length of the first paging procedure;

sending the paging message to the target terminal after the second duration is determined, which may also be referred to as determining a second suspension time length and then resuming or executing the first paging procedure;

sending first notification information for notifying that a target geographic area does not meet the network coverage condition to core network equipment;

sending second notification information for notifying the core network device that the paging message is not sent to the core network device, which may also be referred to as sending second notification information for notifying the core network device that the first paging procedure is suspended or failed to the core network device;

the sending of the third notification information for notifying the core network device to suspend the paging timer corresponding to the paging message to the core network device may also be referred to as sending the third notification information for notifying the core network device to suspend the paging timer corresponding to the first paging procedure to the core network device;

Transmitting fourth notification information for notifying the core network device of a second duration of not transmitting the paging message to the core network device, which may also be referred to as transmitting fourth notification information for notifying the core network device of a second suspension time length of the first paging procedure to the core network device;

the sending of the fifth notification information for notifying the core network device of the paging message after the second duration is over may also be referred to as sending the fifth notification information for notifying the core network device of the first paging procedure or starting the paging timer after the second suspension time length is over;

transmitting ephemeris information or real-time satellite network effective information to core network equipment; the real-time satellite network effective information comprises: indication information indicating whether the satellite network covers a target geographical area and/or time indication information indicating whether the satellite network covers the target geographical area; the ephemeris information includes: at least one of satellite orbit information, satellite position information, and satellite velocity information.

As an alternative embodiment, after the access network suspends the first paging procedure, the method further comprises:

in the case that the access network device determines that the target geographic area meets the network coverage condition, the access network device executes a third operation; the third operation includes at least one of:

sending the paging message to a target terminal;

transmitting third information to the core network equipment; the third information includes at least one of:

notifying the core network device to send a seventh notification message of the paging message, which may also be referred to as a sixth notification message notifying that the target geographic area satisfies the network coverage condition;

notifying the core network device to recover or start the eighth notification information of the paging timer corresponding to the paging message, which may also be referred to as notifying the core network device to recover or execute the seventh notification information of the first paging procedure;

and notifying the core network equipment to recover or start the eighth notification information of the paging timer corresponding to the first paging procedure.

Example two, a first paging procedure recovery processing method is shown in fig. 5:

step 51, the access network device or the core network device suspends the first paging procedure;

The access network device determines that the target geographic area satisfies network coverage conditions, e.g., the target geographic area resumes cell coverage, satellite coverage, etc., step 52. Step 53 and/or step 54a are performed;

step 53, the access network device sends the third information to the core network device.

Step 54a, the access network device sends a paging message to the satellite; alternatively, the access network device and the satellite are disposed on a device, for example, the base station is disposed on the satellite, and then step 54b may be used as internal information of the access network;

in step 54b, the satellite sends a paging message to the terminal.

As an alternative embodiment, the method further comprises:

the access network equipment sends ephemeris information or real-time satellite network effective information to the core network equipment; the real-time satellite network effective information comprises: indication information indicating whether the satellite network covers a target geographical area and/or time indication information indicating whether the satellite network covers the target geographical area; the ephemeris information includes: at least one of satellite orbit information, satellite position information, and satellite velocity information. And the core network equipment determines whether the target geographic area is covered by the satellite cell according to the received ephemeris information or real-time satellite network effective information, and further determines whether paging information is sent in the satellite cell.

As another alternative embodiment, before the access network device sends ephemeris information or real-time satellite network valid information to the core network device, the method further includes:

the access network equipment receives query information sent by the core network equipment, wherein the query information is used for querying whether a target geographic area meets the network coverage condition;

correspondingly, the access network device sends ephemeris information or real-time satellite network effective information to the core network device, and the method comprises the following steps:

And the access network equipment sends ephemeris information or real-time satellite network effective information to the core network equipment according to the query information. And the core network equipment determines whether the target geographic area is covered by the satellite cell according to the received ephemeris information or real-time satellite network effective information, and further determines whether paging information is sent in the satellite cell.

Example three, the processing method for the page to be suspended, as shown in fig. 6:

step 61, the AMF needs to trigger the paging procedure to page the target UE due to the scene; the target UE is considered to be at the target TA;

step 62, if the amf determines that the target TA does not meet the coverage condition of the cell (e.g., satellite cell) (e.g., no coverage is present or is about to be provided), then step 67 is performed; if it is determined that the target TA has coverage of a cell (e.g., a satellite cell), then step 63 is performed;

step 63, sending a paging message to the access network device;

step 64, if the access network device determines that the target TA does not meet the cell coverage condition, executing step 65 and/or step 66; if it is determined that the target TA area has cell coverage, step 68a is performed.

Step 65, the access network device stops or suspends the paging procedure, and/or notifies the AMF of suspension or failure of the paging procedure, and/or notifies the AMF of suspension of the paging timer; ephemeris information or satellite network availability information may also be carried.

Step 66, sending second information to the AMF, the second information comprising at least one of:

notifying core network equipment of second notification information that the first paging procedure is suspended or failed;

notifying core network equipment to pause third notification information of a paging timer corresponding to the first paging procedure;

fourth notification information for notifying the core network device of the second suspension time length of the first paging procedure;

and after notifying the core network equipment of the second suspension time length, initiating the first paging flow or starting fifth notification information of a paging timer.

Step 67, the core network device stops or suspends the paging procedure, and/or pauses the paging timer; and/or initiate paging again after determining the first suspension time length; and/or notify SMF of paging failure.

Step 68a, the access network device sends a paging message; alternatively, the access network device and the satellite are disposed on a device, for example, the base station is disposed on the satellite, and then step 68a may be used as internal information of the access network;

the satellite sends a paging message, step 68 b.

In summary, in the embodiment of the present application, when the target geographic area meets the network coverage condition, the paging procedure of the target geographic area is considered to be a paging procedure that is successful with a high probability or a certain success, and in this case, the access network device sends the paging message; and under the condition that the target geographic area does not meet the network coverage condition, the access network equipment considers the paging process to be a paging process with high probability of failure or certain failure, and the access network equipment suspends or stops the paging process, so that the waste of resources caused by the paging process is reduced.

The execution body of the paging message sending method provided by the embodiment of the application can be the paging message sending device. In the embodiment of the present application, a method for sending paging messages by using a paging message sending device is taken as an example, and the paging message sending device provided in the embodiment of the present application is described.

As shown in fig. 7, an embodiment of the present application further provides a sending device 700 of a paging message, including:

a first sending module 701, configured to send a paging message to an access network device corresponding to a target terminal when a target geographic area meets a network coverage condition;

As an alternative embodiment, the target geographic area meeting the network coverage condition includes:

the target geographic area is covered by a satellite network;

or,

As an alternative embodiment, the apparatus further comprises:

And the first processing module is used for not sending the paging message to the access network equipment under the condition that the target geographic area does not meet the network coverage condition.

As an alternative embodiment, the apparatus further comprises:

a second processing module for performing the first operation, the first operation comprising at least one of:

suspending a paging timer corresponding to the paging message;

determining a first duration of not sending the paging message;

transmitting the paging message to the access network device after the first duration expires;

and sending a paging failure indication.

the target geographic area is not currently covered by satellites;

or,

the target geographic area currently has satellite coverage but satellite coverage of the target geographic area is about to be lost.

As an alternative embodiment, the apparatus further comprises:

a first determining module configured to determine whether the target geographic area satisfies the network coverage condition.

As an alternative embodiment, the apparatus further comprises:

and the second sending module is used for sending a paging message to the access network equipment when the core network equipment determines that the target geographic area meets the network coverage condition.

As an alternative embodiment, the apparatus further comprises:

a first receiving module configured to receive second information, where the second information indicates that the target geographic area does not meet the network coverage condition;

and the second determining module is used for determining that the target geographic area does not meet the network coverage condition according to the second information.

As an alternative embodiment, the second information includes at least one of:

notifying the core network device of second notification information that does not send the paging message;

notifying the core network equipment of third notification information of a paging timer corresponding to the suspension paging message;

fourth notification information notifying the core network device not to transmit the second duration of the paging message;

and the core network equipment is notified of fifth notification information of the paging message after the second duration is over.

As an alternative embodiment, the apparatus further comprises:

the second receiving module is used for receiving third information sent by the access network equipment; the third information includes at least one of:

Notifying the core network device to send seventh notification information of the paging message;

and notifying the core network equipment to recover or start the eighth notification information of the paging timer corresponding to the paging message.

As an alternative embodiment, the first determining module includes:

the first receiving sub-module is used for receiving ephemeris information or real-time satellite network effective information sent by the access network equipment; the real-time satellite network effective information comprises: indication information indicating whether the satellite network covers a target geographical area and/or time indication information indicating whether the satellite network covers the target geographical area; the ephemeris information includes: at least one of satellite orbit information, satellite position information, and satellite velocity information;

and the first determining submodule is used for determining whether the target geographic area meets the network coverage condition according to the ephemeris information or the real-time satellite network effective information.

As an alternative embodiment, the apparatus further comprises:

a third sending module, configured to send query information to an access network device, where the query information is used to query whether a target geographic area meets the network coverage condition;

the first receiving submodule includes:

And the receiving unit is used for receiving ephemeris information or real-time satellite network effective information sent by the access network equipment based on the query information.

As an alternative embodiment, the satellite network comprises:

As an alternative embodiment, the first determining module includes:

an acquisition sub-module, configured to acquire analysis information related to a target geographic area from a network data analysis function NWDAF network element;

and the second determining submodule is used for determining whether the target geographic area meets the network coverage condition according to the analysis information.

As an alternative embodiment, the analysis information related to the target geographic area includes at least one of:

As an alternative embodiment, the obtaining submodule includes:

a subscription unit, configured to subscribe, from an NWDAF network element, to an event related to a target geographic area;

and the first information receiving unit is used for receiving analysis information related to a target geographic area, which is reported to the core network equipment by the NWDAF network element according to the subscription information of the core network equipment.

As an alternative embodiment, the obtaining submodule includes:

a request unit, configured to send a request message to the NWDAF network element, where the request message is used to request analysis information related to a target geographic area;

and the second information receiving unit is used for receiving a request response message sent by the NWDAF network element, wherein the request response message carries analysis information related to a target geographic area.

In the embodiment of the application, under the condition that the target geographic area meets the network coverage condition, the paging flow of the target geographic area is considered to be a paging flow which is successful with high probability or is successful with certain success, and in the case, the core network equipment sends the paging message; and under the condition that the target geographic area does not meet the network coverage condition, the core network equipment considers that the corresponding paging process is a paging process with high probability of failure or certain failure, and the core network equipment suspends or stops the paging process, so that the waste of resources caused by the paging process is reduced.

It should be noted that, the paging message sending device provided in the embodiment of the present application is a device capable of executing the foregoing paging message sending method, and all embodiments of the foregoing paging message sending method are applicable to the device, and the same or similar beneficial effects can be achieved.

As shown in fig. 8, an embodiment of the present application further provides a sending device 800 of a paging message, including:

a paging receiving module 801, configured to receive a paging message sent by a core network device;

a third processing module 802, configured to send the paging message to the target terminal if the target geographic area satisfies a network coverage condition; and the target geographic area is the area where the target terminal is actually located or the access network equipment presumes the area where the target terminal is located.

the target geographic area is covered by a satellite network;

or,

As an alternative embodiment, the apparatus further comprises:

and the fourth processing module is used for not sending the paging message to the target terminal under the condition that the target geographic area does not meet the network coverage condition.

As an alternative embodiment, the apparatus further comprises:

a fifth processing module for performing a second operation, the second operation comprising at least one of:

Determining a second duration of not sending the paging message;

after the second duration is determined to be over, sending the paging message to the target terminal;

transmitting second notification information for notifying the core network device that the paging message is not transmitted to the core network device;

transmitting third notification information for notifying the core network device to pause the paging timer corresponding to the paging message to the core network device;

transmitting fourth notification information for notifying the core network device of a second duration for which the paging message is not transmitted to the core network device;

transmitting fifth notification information for notifying the core network device that the paging message is transmitted after the second duration is over to the core network device;

As an alternative embodiment, the apparatus further comprises:

a sixth processing module, configured to execute a third operation when the access network device determines that the target geographic area meets the network coverage condition; the third operation includes at least one of:

sending the paging message to a target terminal;

As an alternative embodiment, the apparatus further comprises:

the information sending module is used for sending ephemeris information or real-time satellite network effective information to the core network equipment; the real-time satellite network effective information comprises: indication information indicating whether the satellite network covers a target geographical area and/or time indication information indicating whether the satellite network covers the target geographical area; the ephemeris information includes: at least one of satellite orbit information, satellite position information, and satellite velocity information.

As an alternative embodiment, the apparatus further comprises:

the inquiry receiving module is used for receiving inquiry information sent by the core network equipment, wherein the inquiry information is used for inquiring whether a target geographic area meets the network coverage condition;

the information sending module comprises:

and the information sending sub-module is used for sending ephemeris information or real-time satellite network effective information to the core network equipment according to the query information.

In the embodiment of the application, under the condition that the target geographic area meets the network coverage condition, the paging flow of the target geographic area is considered to be a paging flow which is successful with high probability or a certain success, and the access network equipment sends a paging message under the condition; and under the condition that the target geographic area does not meet the network coverage condition, the access network equipment considers that the corresponding paging flow is a paging flow with high probability of failure or certain failure, and the access network equipment suspends or stops the paging flow, so that the waste of resources caused by the paging flow is reduced.

The sending device of the paging message in the embodiment of the application can be an electronic device, for example, an electronic device with an operating system, or can be a component in the electronic device, for example, an integrated circuit or a chip. The electronic device may be a terminal, or may be other devices than a terminal. By way of example, terminals may include, but are not limited to, the types of terminals 11 listed above, other devices may be servers, network attached storage (Network Attached Storage, NAS), etc., and embodiments of the application are not specifically limited.

The paging message sending device provided by the embodiment of the present application can implement each process implemented by the method embodiments of fig. 1 to fig. 6, and achieve the same technical effects, and in order to avoid repetition, a detailed description is omitted here.

Optionally, as shown in fig. 9, the embodiment of the present application further provides a communication device 900, including a processor 901 and a memory 902, where the memory 902 stores a program or an instruction that can be executed on the processor 901, for example, when the communication device 900 is a core network device, the program or the instruction is executed by the processor 901 to implement each step of the foregoing embodiment of the method for sending a paging message, and the same technical effects can be achieved. When the communication device 900 is an access network device, the program or the instruction, when executed by the processor 901, implements the steps of the foregoing embodiments of the sending method of the paging message, and can achieve the same technical effects, so that repetition is avoided, and no further description is given here.

The embodiment of the application also provides network side equipment, which comprises a processor and a communication interface, wherein the processor is used for sending a paging message to the access network equipment corresponding to the target terminal by the core network equipment under the condition that the target geographic area meets the network coverage condition; the target geographic area is an area where a target terminal is actually located or an area where the core network equipment presumes that the target terminal is located. The network side device embodiment corresponds to the network side device method embodiment, and each implementation process and implementation manner of the method embodiment can be applied to the network side device embodiment, and the same technical effects can be achieved.

Specifically, the embodiment of the application also provides network side equipment. As shown in fig. 10, the network side device 1000 includes: a processor 1001, a network interface 1002, and a memory 1003. The network interface 1002 is, for example, a common public radio interface (common public radio interface, CPRI).

Specifically, the network side device 1000 of the embodiment of the present application further includes: instructions or programs stored in the memory 1003 and executable on the processor 1001, the processor 1001 calls the instructions or programs in the memory 1003 to execute the method executed by each module shown in fig. 7, and achieve the same technical effect, so that repetition is avoided, and therefore, the description is omitted here.

The embodiment of the application also provides network side equipment, which comprises a processor and a communication interface, wherein the communication interface is used for receiving paging messages sent by core network equipment; the processor is used for sending the paging message to the target terminal under the condition that the target geographic area meets the network coverage condition; and the target geographic area is the area where the target terminal is actually located or the access network equipment presumes the area where the target terminal is located. The network side device embodiment corresponds to the network side device method embodiment, and each implementation process and implementation manner of the method embodiment can be applied to the network side device embodiment, and the same technical effects can be achieved.

Specifically, the embodiment of the application also provides network side equipment. As shown in fig. 11, the network side device 1100 includes: an antenna 111, a radio frequency device 112, a baseband device 113, a processor 114 and a memory 115. The antenna 111 is connected to a radio frequency device 112. In the uplink direction, the radio frequency device 112 receives information via the antenna 111, and transmits the received information to the baseband device 113 for processing. In the downlink direction, the baseband device 113 processes information to be transmitted, and transmits the processed information to the radio frequency device 112, and the radio frequency device 112 processes the received information and transmits the processed information through the antenna 111.

The method performed by the network side device in the above embodiment may be implemented in the baseband apparatus 113, where the baseband apparatus 113 includes a baseband processor.

The baseband apparatus 113 may, for example, include at least one baseband board, where a plurality of chips are disposed, as shown in fig. 11, where one chip, for example, a baseband processor, is connected to the memory 115 through a bus interface, so as to call a program in the memory 115 to perform the network device operation shown in the above method embodiment.

The network-side device may also include a network interface 116, such as a common public radio interface (common public radio interface, CPRI).

Specifically, the network side device 1100 of the embodiment of the present application further includes: instructions or programs stored in the memory 115 and capable of running on the processor 114, the processor 114 invokes the instructions or programs in the memory 115 to perform the method performed by the modules shown in fig. 8, and achieve the same technical effects, and are not repeated here.

The embodiment of the application also provides a readable storage medium, on which a program or an instruction is stored, which when executed by a processor, implements each process of the foregoing paging message sending method embodiment, and can achieve the same technical effect, so that repetition is avoided, and no further description is provided herein.

Wherein the processor is a processor in the terminal described in the above embodiment. The readable storage medium includes computer readable storage medium such as computer readable memory ROM, random access memory RAM, magnetic or optical disk, etc.

The embodiment of the application further provides a chip, the chip comprises a processor and a communication interface, the communication interface is coupled with the processor, the processor is used for running a program or instructions, the processes of the above-mentioned paging message sending method embodiment are realized, the same technical effects can be achieved, and in order to avoid repetition, the description is omitted here.

It should be understood that the chips referred to in the embodiments of the present application may also be referred to as system-on-chip chips, or the like.

The embodiments of the present application further provide a computer program/program product, where the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement each process of the foregoing embodiments of the method for sending paging messages, and the same technical effects are achieved, so that repetition is avoided and details are not repeated herein.

The embodiment of the application also provides a communication system, which comprises: core network equipment and access network equipment, the core network equipment can be used for executing the steps of the paging message sending method, and the access network equipment can be used for executing the steps of the paging message sending method.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a computer software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method according to the embodiments of the present application.

The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are to be protected by the present application.

Claims

1. A method for sending a paging message, comprising:

the target geographic area is an area where the target terminal is actually located or an area where the core network equipment presumes that the target terminal is located.

2. The method of claim 1, wherein the target geographic area meeting network coverage conditions comprises:

the target geographic area is covered by a satellite network;

or,

3. The method according to claim 1, wherein the method further comprises:

and under the condition that the target geographic area does not meet the network coverage condition, the core network equipment does not send the paging message to the access network equipment.

4. A method according to claim 3, characterized in that the method further comprises:

the core network device performs a first operation comprising at least one of:

suspending a paging timer corresponding to the paging message;

determining a first duration of not sending the paging message;

and sending a paging failure indication.

5. A method according to claim 1 or 3, characterized in that the method further comprises:

6. A method according to claim 3, characterized in that the method further comprises:

and the core network equipment sends a paging message to the access network equipment under the condition that the core network equipment determines that the target geographic area meets the network coverage condition.

7. A method according to claim 3, characterized in that the method further comprises:

and the core network equipment determines that the target geographic area does not meet the network coverage condition according to the second information.

8. The method of claim 7, wherein the second information comprises at least one of:

9. A method according to claim 3, characterized in that the method further comprises:

10. The method of claim 5, wherein the core network device determining whether the target geographic area satisfies the network coverage condition comprises:

the core network equipment receives ephemeris information or real-time satellite network effective information sent by the access network equipment; the real-time satellite network effective information comprises: indication information indicating whether the satellite network covers a target geographical area and/or time indication information indicating whether the satellite network covers the target geographical area; the ephemeris information includes: at least one of satellite orbit information, satellite position information, and satellite velocity information;

11. The method of claim 10, wherein before the core network device receives ephemeris information or real-time satellite network availability information sent by the access network device, the method further comprises:

the core network device receives ephemeris information or real-time satellite network effective information sent by the access network device, and the method comprises the following steps:

and the core network equipment receives ephemeris information or real-time satellite network effective information sent by the access network equipment based on the query information.

12. The method according to claim 10 or 11, wherein the satellite network comprises:

13. The method of claim 5, wherein the core network device determining whether the target geographic area satisfies the network coverage condition comprises:

14. The method of claim 13, wherein the analysis information related to the target geographic area comprises at least one of:

15. Method according to claim 13 or 14, wherein the core network device obtains analysis information related to the target geographical area from a network data analysis function NWDAF network element, comprising:

16. Method according to claim 13 or 14, wherein the core network device obtains analysis information related to the target geographical area from a network data analysis function NWDAF network element, comprising:

17. A method for sending a paging message, comprising:

18. The method of claim 17, wherein the target geographic area meeting network coverage conditions comprises:

the target geographic area is covered by a satellite network;

or,

19. The method of claim 17, wherein the method further comprises:

and under the condition that the target geographic area does not meet the network coverage condition, the access network equipment does not send the paging message to the target terminal.

20. The method of claim 19, wherein the method further comprises:

determining a second duration of not sending the paging message;

21. The method according to claim 19 or 20, characterized in that the method further comprises:

sending the paging message to a target terminal;

22. The method of claim 17, wherein the method further comprises:

the access network equipment sends ephemeris information or real-time satellite network effective information to the core network equipment; the real-time satellite network effective information comprises: indication information indicating whether the satellite network covers a target geographical area and/or time indication information indicating whether the satellite network covers the target geographical area; the ephemeris information includes: at least one of satellite orbit information, satellite position information, and satellite velocity information.

23. The method of claim 22, wherein before the access network device sends ephemeris information or real-time satellite network availability information to the core network device, the method further comprises:

the access network device sending ephemeris information or real-time satellite network effective information to the core network device, comprising:

and the access network equipment sends ephemeris information or real-time satellite network effective information to the core network equipment according to the query information.

24. A transmission apparatus for paging messages, comprising:

the target geographic area is an area where the target terminal is actually located or an area where core network equipment presumes the target terminal to be located.

25. The apparatus of claim 24, the target geographic area meeting network coverage conditions comprising:

the target geographic area is covered by a satellite network;

Or,

or,

26. The apparatus of claim 24, wherein the apparatus further comprises:

27. The apparatus of claim 26, wherein the apparatus further comprises:

a second processing module for performing a first operation, the first operation comprising at least one of:

suspending a paging timer corresponding to the paging message;

determining a first duration of not sending the paging message;

and sending a paging failure indication.

28. The apparatus according to claim 24 or 26, characterized in that the apparatus further comprises:

29. The apparatus of claim 26, wherein the apparatus further comprises:

30. The apparatus of claim 26, wherein the apparatus further comprises:

31. The apparatus of claim 30, wherein the second information comprises at least one of:

32. The apparatus of claim 26, wherein the apparatus further comprises:

33. The apparatus of claim 28, wherein the first determining module comprises:

34. The apparatus of claim 33, wherein the apparatus further comprises:

the first receiving submodule includes:

35. The apparatus according to claim 33 or 34, wherein the satellite network comprises:

36. The apparatus of claim 28, wherein the first determining module comprises:

37. The apparatus of claim 36, wherein the analysis information related to the target geographic area comprises at least one of:

38. The apparatus of claim 36 or 37, wherein the acquisition submodule comprises:

39. The apparatus of claim 36 or 37, wherein the acquisition submodule comprises:

40. A core network device comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the method of sending paging messages according to any one of claims 1 to 16.

41. A transmission apparatus for paging messages, comprising:

a third processing module, configured to send the paging message to a target terminal when the target geographic area meets a network coverage condition; and the target geographic area is the area where the target terminal is actually located or the area where the access network equipment presumes the target terminal to be located.

42. The apparatus of claim 41, wherein the target geographic area meeting network coverage conditions comprises:

the target geographic area is covered by a satellite network;

or,

43. The apparatus of claim 41, further comprising:

44. The apparatus of claim 43, further comprising:

determining a second duration of not sending the paging message;

45. The apparatus of claim 43 or 44, further comprising:

sending the paging message to a target terminal;

46. The apparatus of claim 41, further comprising:

47. The apparatus of claim 46, wherein the apparatus further comprises:

the information sending module comprises:

48. An access network device comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, performs the steps of the method of sending paging messages according to any one of claims 17 to 23.

49. A readable storage medium, characterized in that the readable storage medium has stored thereon a program or instructions which, when executed by a processor, implement the method of sending paging messages according to any of claims 1-16 or the steps of the method of sending paging messages according to any of claims 17 to 23.