WO2022133852A1 - 寻呼方法及装置、存储介质 - Google Patents

寻呼方法及装置、存储介质 Download PDF

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Publication number
WO2022133852A1
WO2022133852A1 PCT/CN2020/138828 CN2020138828W WO2022133852A1 WO 2022133852 A1 WO2022133852 A1 WO 2022133852A1 CN 2020138828 W CN2020138828 W CN 2020138828W WO 2022133852 A1 WO2022133852 A1 WO 2022133852A1
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WO
WIPO (PCT)
Prior art keywords
paging
terminal
determining
state
side device
Prior art date
Application number
PCT/CN2020/138828
Other languages
English (en)
French (fr)
Inventor
洪伟
Original Assignee
北京小米移动软件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to CN202080004053.4A priority Critical patent/CN114982257A/zh
Priority to PCT/CN2020/138828 priority patent/WO2022133852A1/zh
Priority to US18/268,860 priority patent/US20240049172A1/en
Priority to EP20966425.9A priority patent/EP4271000A4/en
Publication of WO2022133852A1 publication Critical patent/WO2022133852A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/005—Transmission of information for alerting of incoming communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/12—Inter-network notification
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H04W60/005—Multiple registrations, e.g. multihoming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/183—Processing at user equipment or user record carrier

Definitions

  • the present disclosure relates to the field of communications, and in particular, to a paging method and device, and a storage medium.
  • multi-card terminals With the development of wireless communication technology, there are more and more multi-card terminals.
  • the processing methods for multi-card terminals are mainly based on the implementation of various terminal manufacturers, which leads to many different terminal behaviors and processing methods, such as dual-card single-standby, dual-card dual-standby single-pass, dual-card dual-standby dual-pass
  • terminal behaviors and processing methods such as dual-card single-standby, dual-card dual-standby single-pass, dual-card dual-standby dual-pass
  • different problems will be encountered, such as paging collision, failure of one card to perform business and another card paging failure, interruption of one card to respond to another card's paging, etc. experience. .
  • MUSIM Mutil-Universal Subscriber Identity Module, global user identification
  • the network side can tell the upcoming service type, such as voice service, data service, etc., through paging cause (paging cause). In this way, the UE can determine whether to interrupt the current service according to the value of paging cause and respond to paging.
  • paging cause paging cause
  • embodiments of the present disclosure provide a paging method and device, and a storage medium.
  • a paging method is provided, and the method is used for a first network side device, including:
  • the target notification message carrying the paging reason is sent to the second network side device.
  • the method before the sending the target notification message carrying the paging reason to the second network side device, the method further includes:
  • a bit value corresponding to the paging cause carried in the target notification message is determined.
  • the determining the bit value corresponding to the paging cause carried in the target notification message includes:
  • the bit value corresponding to the paging cause in the target notification message is determined according to the differentiated services code point DSCP information of the downlink data packet.
  • the determining whether to carry the paging reason in the target notification message includes:
  • the method before the determining that the terminal has downlink data arrives, the method further includes:
  • the third network side device is a unified data management UDM device.
  • determining whether to carry the paging reason in the target notification message based on at least state indication information corresponding to the terminal includes any of the following:
  • the state indication information includes first state information
  • the number of USIM cards is zero or one; or
  • the state indication information includes second state information
  • the number of cards is greater than or equal to two.
  • a paging method is provided, and the method is used for a second network side device, including:
  • the paging message carrying the paging reason is sent to the terminal.
  • a paging method is provided, and the method is used for a second network side device, including:
  • a paging message carrying the paging reason is sent to the terminal.
  • the determining whether to carry the paging reason in the paging message includes:
  • Whether it is necessary to carry the paging reason in the paging message is determined based on at least the state indication information corresponding to the terminal.
  • the method further includes:
  • the state indication information corresponding to the terminal is obtained in advance from the terminal or a third network-side device.
  • the third network side device is a unified data management UDM device.
  • determining whether it is necessary to carry a paging reason in the paging message based on at least state indication information corresponding to the terminal including any of the following:
  • the state indication information includes first state information
  • the number of USIM cards is zero or one; or
  • the state indication information includes second state information and the terminal is in a connected state, determining that the paging reason does not need to be carried in the paging message; wherein the second state information is used to indicate The number of registered USIM cards on the terminal is greater than or equal to two; or
  • the non-3GPP connection In response to determining that the state indication information includes the second state information, and the 3GPP connection corresponding to the terminal is in the connected state, the non-3GPP connection is in the idle state, and there is downlink data corresponding to the non-3GPP connection service that needs to be sent to the terminal.
  • the terminal determines that the paging reason needs to be carried in the paging message.
  • the target notification message carries or does not carry the paging reason.
  • a paging apparatus where the apparatus is used for a first network-side device, including:
  • a first determining module configured to determine whether the paging reason needs to be carried in the target notification message in response to determining that the terminal has downlink data arriving;
  • the first sending module is configured to send the target notification message carrying the paging reason to the second network side device in response to determining that the paging reason needs to be carried in the target notification message.
  • the device further includes:
  • the second determining module is configured to determine the bit value corresponding to the paging cause carried in the target notification message.
  • the second determining module includes:
  • the first determining submodule is configured to determine the bit value corresponding to the paging cause in the target notification message according to the differentiated services code point DSCP information of the downlink data packet.
  • the first determining module includes:
  • the second determination submodule is configured to determine whether the paging reason needs to be carried in the target notification message based on at least state indication information corresponding to the terminal; wherein the state indication information is used to indicate the terminal The number of registered USIM cards.
  • the device further includes:
  • the first obtaining module is configured to obtain the state indication information corresponding to the terminal from a third network-side device.
  • the third network side device is a unified data management UDM device.
  • the second determination submodule includes any of the following:
  • a first determining unit configured to, in response to determining that the state indication information includes first state information, determine that the paging reason does not need to be carried in the target notification message; wherein the first state information is used to indicate The number of registered USIM cards on the terminal is zero or one; or
  • the second determining unit is configured to, in response to determining that the state indication information includes second state information, determine that the paging reason needs to be carried in the target notification message; wherein the second state information is used to indicate the The number of registered USIM cards on the terminal is greater than or equal to two.
  • a paging apparatus is provided, and the apparatus is used for a second network side device, including:
  • the second sending module is configured to send the paging message carrying the paging cause to the terminal in response to receiving the target notification message carrying the paging cause sent by the first network-side device.
  • a paging apparatus is provided, and the apparatus is used for a second network side device, including:
  • a third determining module configured to, in response to receiving the target notification message sent by the first network-side device, determine whether the paging reason needs to be carried in the paging message
  • the third sending module is configured to send a paging message carrying the paging reason to the terminal in response to determining that the paging reason needs to be carried in the paging message.
  • the third determining module includes:
  • the third determining submodule is configured to determine whether it is necessary to carry the paging reason in the paging message based on at least the state indication information corresponding to the terminal.
  • the device further includes:
  • the second obtaining module is configured to obtain the state indication information corresponding to the terminal from the terminal or a third network-side device in advance.
  • the third network side device is a unified data management UDM device.
  • the third determination submodule includes any of the following:
  • a third determining unit configured to, in response to determining that the state indication information includes first state information, determine that the paging reason does not need to be carried in the paging message; wherein the first state information is used to indicate The number of registered USIM cards on the terminal is zero or one; or
  • a fourth determining unit configured to, in response to determining that the state indication information includes the second state information and the terminal is in a connected state, determine that the paging reason does not need to be carried in the paging message; wherein the The second status information is used to indicate that the number of USIM cards in the registered state on the terminal is greater than or equal to two; or
  • a fifth determining unit configured to determine that the paging reason needs to be carried in the paging message in response to determining that the state indication information includes the second state information and the terminal is in an idle state;
  • a sixth determining unit configured to respond to determining that the state indication information includes the second state information, and the 3GPP connection corresponding to the terminal is in the connected state, the non-3GPP connection is in the idle state, and there is a connection with the non-3GPP Downlink data corresponding to the service needs to be sent to the terminal, and it is determined that the paging reason needs to be carried in the paging message.
  • the target notification message carries or does not carry the paging reason.
  • a computer-readable storage medium where the storage medium stores a computer program, and the computer program is used to execute the paging method according to any one of the foregoing first aspects.
  • a computer-readable storage medium where the storage medium stores a computer program, and the computer program is configured to execute the search method described in any one of the second aspect or the third aspect. call method.
  • a paging apparatus including:
  • memory for storing processor-executable instructions
  • the processor is configured to execute the paging method according to any one of the above-mentioned first aspect.
  • a paging apparatus including:
  • memory for storing processor-executable instructions
  • the processor is configured to execute the paging method according to any one of the second aspect or the third aspect.
  • the first network side device may determine whether to carry the paging reason in the target notification message when it is determined that the terminal has downlink data arriving. Therefore, when the paging cause needs to be carried, the target notification message carrying the paging cause is sent to the second network side device.
  • the present disclosure can dynamically decide whether to notify the terminal of the paging reason, avoid wasting air interface paging resources, and has high availability.
  • the first network-side device may determine whether to carry the paging reason in the target notification message based on at least state indication information corresponding to the terminal.
  • the state indication information is used to indicate the number of USIM cards in the registered state on the terminal. The purpose of dynamically determining whether to send the paging reason to the terminal according to the number of registered USIM cards on the terminal is realized, and the usability is high.
  • the first network-side device when the number of registered USIM cards on the multi-card terminal is zero or one, the first network-side device can page the multi-card terminal according to the paging mode of the single-card terminal, without requiring The notification message carries the paging reason.
  • the first network side device may carry the paging reason in the target notification message. The purpose of dynamically determining whether to send the paging reason to the terminal according to the number of registered USIM cards on the terminal is realized, and the usability is high.
  • the second network side device may directly send the paging message carrying the paging reason to the terminal after receiving the target notification message carrying the paging reason sent by the first network side device.
  • the second network side device may also decide whether to carry the paging reason in the paging message sent to the terminal. It further avoids wasting air interface paging resources and has high availability.
  • the second network-side device can determine whether to carry the paging reason in the paging message based on at least the status indication information corresponding to the terminal, so as to realize the dynamic dynamic change according to the number of registered USIM cards on the terminal. The purpose of deciding whether to send the paging reason to the terminal, the availability is high.
  • FIG. 1 is a schematic flowchart of a paging method according to an exemplary embodiment.
  • Fig. 2 is a schematic flowchart of another paging method according to an exemplary embodiment.
  • Fig. 3 is a schematic flowchart of another paging method according to an exemplary embodiment.
  • Fig. 4 is a schematic flowchart of another paging method according to an exemplary embodiment.
  • Fig. 5 is a schematic flowchart of another paging method according to an exemplary embodiment.
  • Fig. 6 is a schematic flowchart of another paging method according to an exemplary embodiment.
  • Fig. 7 is a schematic flowchart of another paging method according to an exemplary embodiment.
  • Fig. 8 is a schematic flowchart of another paging method according to an exemplary embodiment.
  • Fig. 9 is a schematic flowchart of another paging method according to an exemplary embodiment.
  • Fig. 10 is a schematic flowchart of another paging method according to an exemplary embodiment.
  • Fig. 11 is a block diagram of a paging apparatus according to an exemplary embodiment.
  • Fig. 12 is a block diagram of another paging apparatus according to an exemplary embodiment.
  • Fig. 13 is a block diagram of another paging apparatus according to an exemplary embodiment.
  • FIG. 14 is a schematic structural diagram of a paging apparatus according to an exemplary embodiment of the present disclosure.
  • FIG. 15 is a schematic structural diagram of another paging apparatus according to an exemplary embodiment of the present disclosure.
  • first, second, third, etc. may be used in this disclosure to describe various information, these information should not be limited by these terms. These terms are only used to distinguish the same type of information from each other.
  • first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure.
  • word “if” as used herein can be interpreted as "at the time of” or “when” or “in response to determining.”
  • FIG. 1 is a flowchart of a paging method according to an embodiment, including the following steps:
  • the UPF User Plane Function, user plane function determines that the terminal has downlink data arriving.
  • step 102a the UPF sends a data notification message to the SMF (Session Management Function, session management network element).
  • SMF Session Management Function, session management network element
  • step 102b the SMF sends a data notification response message to the UPF.
  • step 102c the UPF sends downlink data to the SMF.
  • step 103a the SMF sends an AMF notification message to the AMF (Access and Mobility Management Function, access and mobility management network element).
  • AMF Access and Mobility Management Function, access and mobility management network element
  • the SMF can send the AMF notification message to the AMF through the N1N2 interface with the AMF.
  • step 103b the AMF sends an AMF notification response message to the SMF.
  • the AMF can send the AMF notification response message to the SMF through the N1N2 interface with the SMF.
  • step 103c the SMF sends a failure indication to the UPF.
  • step 103c is optional. If the SMF does not receive the response message sent by the AMF within a preset time period after sending the AMF notification message, it can send a failure indication to the UPF.
  • step 104a If the UE is in the connected state, go to step 104a, if the UE is in the idle state, go to step 104b, if the UE is in the 3GPP connection and has accessed, the non-3GPP connection is in the idle state, and there is downlink data corresponding to the non-3GPP access service to be sent For the UE, steps 104c to 104d are performed.
  • step 104a uplink reactivation is performed between the AMF, the AN (Access Network, access network) and the UE.
  • step 104b the AMF sends the paging message to the AN, and the AN sends the paging message to the UE.
  • step 104c the AMF sends a NAS (Non-access stratum, non-access stratum) notification message to the UE.
  • NAS Non-access stratum, non-access stratum
  • step 104d the UE sends a non-access stratum notification response message to the AMF.
  • step 105 the AMF sends a transmission failure notification message to the SMF.
  • step 105 is optionally performed, and in the case that any one of steps 104a, 104b, 104c, and 104d fails, step 105 is performed.
  • step 106 a service request procedure is established between UE, AN, AMF, SMF, and UPF.
  • step 107 the UPF sends the downlink data to the UE.
  • the above embodiment is a process of paging and downlink data transmission for a single-card terminal in the related art.
  • the multi-card terminal when the multi-card terminal is conducting services through one of the USIM cards and the other USIM card receives a paging message, in order for the multi-card terminal to decide whether to perform a paging response based on the paging reason,
  • the paging reason may be carried in the above steps 102c, 103a, 104b and 104c, so that the multi-card terminal decides whether to respond to the paging according to the paging reason.
  • step 104d if the UE determines not to perform a paging response according to the paging reason, the UE may carry the indication information of not performing a paging response in the non-access stratum response message, so that the network side knows that the SIM card has received the paging response. paging message, but decided not to respond to paging.
  • the UE may establish a service request process after determining to perform a paging response based on the paging reason in the paging message or the NAS notification message.
  • the multi-card terminal is paging according to the above-mentioned paging scheme, the paging reasons need to be added in multiple signaling.
  • a card terminal is actually equivalent to a single-card terminal), which will increase additional signaling processing and communication delay, and will waste valuable air interface paging resources by carrying paging reasons.
  • the present disclosure provides the following paging scheme.
  • FIG. 2 is a flowchart of a paging method according to an embodiment, which can be used for a first network side device, wherein the first network side
  • the device is an SMF or other network-side device, and the method may include the following steps:
  • step 201 in response to determining that downlink data arrives at the terminal, it is determined whether the paging reason needs to be carried in the target notification message.
  • the first network side device determines that downlink data arrives at the terminal when receiving the data notification message sent by the UPF.
  • the first network-side device may determine whether it is necessary to carry the paging reason in the target notification message based on at least the status indication information of the terminal.
  • the state indication information is used to indicate the number of USIM cards in the registered state on the terminal, and the target notification message includes but is not limited to a notification message sent to the second network side device.
  • step 202 in response to determining that the paging reason needs to be carried in the target notification message, the target notification message carrying the paging reason is sent to the second network side device.
  • the first network-side device may send a target notification message carrying the paging cause to the second network-side device when it is determined that the paging reason needs to be carried, where the second network-side device may be an AMF , or other network-side devices.
  • the first network side device may directly send the target notification message without the paging reason to the second network side device according to the related art.
  • the first network-side device may determine whether to carry the paging reason in the target notification message when it is determined that the terminal has downlink data arriving. Therefore, when the paging cause needs to be carried, the target notification message carrying the paging cause is sent to the second network side device.
  • the present disclosure can dynamically decide whether to notify the terminal of the paging reason, avoid wasting air interface paging resources, and has high availability.
  • FIG. 3 is a flowchart of another paging method according to the embodiment shown in FIG. 2 .
  • the method may further include the following steps:
  • step 203 the bit value corresponding to the paging cause carried in the target notification message is determined.
  • the first network side device may first determine the bit value corresponding to the paging cause carried in the target notification message, and use the bit value The value informs the terminal of the reason for the paging.
  • the first network-side device may determine the paging cause according to DSCP (Differentiated Services Code Point, Differentiated Services Code Point) information of the downlink data packet. Further, the bit value corresponding to the paging cause in the target notification message may be determined according to the correspondence between different paging causes and different bit values.
  • DSCP Differentiated Services Code Point
  • the first network side device can determine the bit value corresponding to the paging cause carried in the target notification message according to the DSCP information of the downlink data packet, so as to send the paging cause to the second network side device, and then the The second network side device informs the terminal of the paging reason, and the availability is high.
  • the first network side device may dynamically decide whether to carry the paging reason in the target notification message.
  • the first network-side device may determine whether to carry the paging reason based on at least state indication information corresponding to the terminal.
  • the state indication information is used to indicate the number of USIM cards in the registered state on the terminal.
  • the first network-side device may determine whether to carry the paging reason in the target notification message based on state indication information corresponding to the terminal.
  • the first network-side device may jointly determine whether to carry the paging reason in the target notification message based on the local policy and state indication information corresponding to the terminal.
  • the first network side device can dynamically decide whether to send the paging reason to the second network side device, so as to avoid wasting air interface resources and have high availability.
  • FIG. 4 is a flowchart of another paging method according to the embodiment shown in FIG. 2 .
  • the method may further include the following steps:
  • step 200 the state indication information corresponding to the terminal is obtained from a third network side device.
  • the third network-side device may be a UDM (Unified Data Management, unified data management) device.
  • the third network-side device may also be other network-side devices, which is not limited in the present disclosure.
  • the third network-side device may also be an AMF.
  • the first network-side device may download the state indication information corresponding to the terminal from the third network-side device at the stage of establishing the service connection, so that when it is determined that downlink data from the terminal arrives, at least the state indication corresponding to the terminal can be used. information to determine whether to carry the paging reason in the target notification message.
  • the state indication information corresponding to the terminal obtained by the SMF from the UDM is shown in Table 1, for example.
  • the first network-side device may obtain the state indication information corresponding to the terminal from the third network-side device in advance, so as to determine whether it is necessary to carry the paging reason in the target notification message based on at least the state indication corresponding to the terminal, so as to avoid Air interface resources are wasted, signaling processing and delay are reduced, and availability is high.
  • the first network side device may determine that the paging reason does not need to be carried in the target notification message. If the state indication information includes the second state information, the first network side device determines that the paging reason needs to be carried in the target notification message.
  • the first state may be represented by, but not limited to, the "MUSIM_OFF" state, and the first state information is used to indicate that the number of SIM cards in the registered state on the terminal may be zero or one. That is, although the multi-card terminal supports multiple cards, in the "MUSIM_OFF" state, it is actually a single-card terminal.
  • the first network-side device may send a target notification message that does not carry the paging reason to the second network-side device in the manner of paging a single-card terminal in the related art.
  • the second state may be represented by, but not limited to, the "MUSIM_ON” state, and the second state information is used to indicate that the number of SIM cards in the registered state may be two or more.
  • the multi-card terminal in the "MUSIM_ON” state, the multi-card terminal has multiple USIM cards in use.
  • the first network side device may send a target notification message carrying the paging reason to the second network side device.
  • the status indication information can also directly indicate the number of SIM cards in the registered state, and the implementation of other status indication information used to indicate the number of SIM cards in the registered state All methods should belong to the protection scope of the present disclosure.
  • the first network side device can dynamically decide whether to send the target notification message carrying the paging reason to the second network side device, so that the purpose of dynamically deciding whether to inform the terminal of the paging reason can be realized and the waste of air interface paging can be avoided. resources with high availability.
  • FIG. 5 is a flowchart of a paging method according to an embodiment, which can be used for a second network-side device, where the second network-side device may be an AMF or other network side devices, the method may include the following steps:
  • step 301 in response to receiving the target notification message carrying the paging reason sent by the first network side device, a paging message carrying the paging reason is sent to the terminal.
  • the second network side device may directly send the paging message carrying the paging cause to the terminal, wherein the paging message
  • the bit value of the paging cause in can be consistent with the bit value of the paging cause carried in the target notification message.
  • the second network side device may send the paging message carrying the paging reason to the terminal, so as to inform the terminal of the information reason and realize the In order to avoid wasting air interface resources, the first network side device dynamically determines whether to inform the terminal of the paging reason, and the availability is high.
  • FIG. 6 is a flowchart of a paging method according to an embodiment.
  • the first network-side device is SMF
  • the second network-side device is AMF
  • the third network side device is UDM as an example to illustrate, the method may include the following steps:
  • step 400 the SMF obtains state indication information corresponding to the terminal from the UDM.
  • the SMF when the terminal side initiates a PDU session establishment request, the SMF can download the state indication information corresponding to the terminal from the UDM.
  • the SMF may also obtain the terminal capability information of whether the terminal supports multiple cards from the UDM.
  • the subsequent SMF may jointly determine whether to send the paging reason to the AMF in combination with the terminal capability information and the status indication information.
  • step 401 the UPF determines that the terminal has downlink data arriving.
  • step 402a the UPF sends a data notification message to the SMF.
  • step 402b the SMF sends a data notification response message to the UPF.
  • step 402c the UPF sends the downlink data to the SMF.
  • step 403a the SMF determines that the paging reason needs to be carried in the target notification message based on at least the state indication information corresponding to the terminal, and sends the target notification message carrying the paging reason to the AMF.
  • the target notification message is an AMF notification message.
  • step 403b the AMF sends an AMF notification response message to the SMF.
  • step 404 the AMF sends a paging message carrying the paging reason to the terminal.
  • the second network side can directly send the paging message carrying the paging reason to the terminal, which realizes a dynamic decision on whether to send the paging reason to the terminal.
  • the purpose of informing the terminal of the paging reason reduces the usage of any USIM card for all terminals or multi-card terminals, and the additional signaling processing and delay caused by informing the terminal of the paging reason, avoiding wasting air interface resources, and providing high availability.
  • the first network side device can dynamically determine whether it is necessary to notify the terminal of the paging reason based on at least the status indication information corresponding to the terminal. The terminal needs to be informed of the paging reason.
  • FIG. 7 is a flowchart of a paging method according to an embodiment, which can be used for a second network side device, wherein the second network side device may be an AMF or other network side device, the method The following steps can be included:
  • step 501 in response to receiving the target notification message sent by the first network-side device, it is determined whether the paging reason needs to be carried in the paging message.
  • the target notification message may or may not carry the paging reason.
  • the second network side device may determine whether to carry the paging reason in the paging message.
  • Reason for paging In the case that the target notification message carries the paging reason, the second network side device may directly send the paging message carrying the paging reason to the terminal, and may further determine whether the paging reason needs to be carried in the paging message.
  • step 502 in response to determining that the paging reason needs to be carried in the paging message, a paging message carrying the paging reason is sent to the terminal.
  • the second network side device may also decide whether to carry the paging reason in the paging message sent to the terminal. It further avoids wasting air interface paging resources and has high availability.
  • the second network-side device may determine whether it is necessary to carry the paging reason in the paging message based on at least state indication information corresponding to the terminal.
  • the second network-side device may determine, based on state indication information corresponding to the terminal, whether to carry the paging reason in the paging message. In another example, the second network side device may also jointly determine whether to carry the paging reason in the paging message based on the state indication information corresponding to the terminal and the local policy.
  • the second network side device can dynamically determine whether to carry the paging reason in the paging message based on at least the state indication information corresponding to the terminal, so as to realize the purpose of dynamically determining whether to inform the terminal side of the paging reason, and avoid the need for Waste of air interface resources, high availability.
  • FIG. 8 is a flowchart of a paging method according to an embodiment, and the method may further include the following steps:
  • step 500 the state indication information corresponding to the terminal is obtained in advance from the terminal or a third network-side device.
  • the third network-side device may be a UDM device, or the third network-side device may also be other network-side devices, which is not limited in the present disclosure.
  • the AMF can obtain the state indication information corresponding to the terminal directly from the terminal in advance, or the terminal sends the state indication information to the UDM, and the UDM stores it in the standardized information element table maintained by itself, and the AMF obtains the state indication information corresponding to the terminal from the UDM. After the AMF acquires the state indication information corresponding to the terminal, it can be stored in the standardized information element table maintained by itself, as shown in Table 2, for example.
  • the second network-side device determines, based on at least state indication information corresponding to the terminal, whether to carry the paging reason in the paging message, which may include any of the following:
  • paging can be performed in a single-card terminal mode without carrying a paging reason in the paging message.
  • the terminal is in the connected state, and processing can be performed according to the way that the single-card terminal is in the connected state in the related art (according to the above step 104).
  • a paging reason can be carried in the paging message, so that the terminal can determine whether to perform paging according to the paging reason. call response.
  • the non-3GPP connection In response to determining that the state indication information includes the second state information, and the 3GPP connection corresponding to the terminal is in the connected state, the non-3GPP connection is in the idle state, and there is a need for downlink data corresponding to the non-3GPP connection service It is sent to the terminal, and it is determined that the paging reason needs to be carried in the paging message.
  • the second network side device may send the NAS paging message carrying the paging reason to the terminal.
  • the second network side device can dynamically determine whether it is necessary to carry the paging reason in the paging message based on at least state indication information corresponding to the terminal, so as to avoid wasting air interface resources and have high availability.
  • the first USIM card of the terminal initiates a registration request, and the terminal determines that the status indication information includes the first status indication information (ie MUSIM_OFF), then the first USIM card may not carry the status indication in the registration request message information.
  • the second USIM card initiates the registration request, the second USIM card determines that the status indication information includes the first status information, and one USIM card is already in the successful registration status, and the second UMSIM card can initiate registration with the updated status indication information
  • both the UDM and/or the AMF can update the state indication information corresponding to the terminal stored by themselves to the second state information (ie, MUSI_ON).
  • the terminal updates its own state indication information, the updated state indication information is the second state information, the first UMSIM card initiates a state update, and also updates the updated state indication information to the network side, Including but not limited to updating into UDM and/or AMF.
  • FIG. 9 is a flowchart of a paging method according to an embodiment.
  • the first network side device is SMF
  • the second network side device is AMF
  • the third network side device is UDM
  • the method may include the following steps:
  • step 601 the UPF determines that the terminal has downlink data arriving.
  • step 602a the UPF sends a data notification message to the SMF.
  • step 602b the SMF sends a data notification response message to the UPF.
  • step 602c the UPF sends the downlink data to the SMF.
  • step 603a the SMF sends a notification message carrying the target to the AMF.
  • the target notification message is an AMF notification message.
  • step 603b the AMF sends an AMF notification response message to the SMF.
  • the above steps may be consistent with steps 101 to 103b in FIG. 1 .
  • the AMF determines whether the paging reason needs to be carried in the paging message. If the UE is in the connected state, the paging reason does not need to be carried in the paging message, and step 604a is directly executed. If the UE is in the idle state, the paging reason needs to be carried in the paging message, and step 604b is executed. Access, the non-3GPP connection is in idle state, and there is downlink data corresponding to the non-3GPP access service that needs to be sent to the UE, the paging reason needs to be carried in the paging message, and steps 604c to 604d are performed.
  • step 604a uplink reactivation is performed between the AMF, the AN and the UE.
  • step 604b the AMF sends the paging message carrying the paging reason to the AN, and the AN sends the paging message carrying the paging reason to the UE.
  • step 604c the AMF sends a non-access stratum paging message carrying the paging reason to the UE.
  • step 604d the AMF sends a non-access stratum notification response message to the AMF.
  • step 605 the AMF sends a transmission failure notification message to the SMF.
  • step 605 is optionally performed, and in the case that any one of steps 604a, 604b, 604c, and 604d fails, step 605 is performed.
  • step 606 a service request procedure is established between UE, AN, AMF, SMF, and UPF.
  • step 607 the UPF sends the downlink data to the UE.
  • the second network side device can determine whether it is necessary to carry the paging reason in the paging message based on at least the status indication information corresponding to the terminal, so as to realize the dynamic determination according to the number of USIM cards in the registered state on the terminal. Whether to send the paging reason to the terminal, the availability is high.
  • FIG. 10 is a flowchart of a paging method according to an embodiment.
  • the first network-side device is SMF
  • the second network-side device is AMF
  • the third network side device is UDM as an example to illustrate, the method may include the following steps:
  • step 700 the SMF obtains state indication information corresponding to the terminal from the UDM.
  • the SMF when the terminal side initiates a PDU session establishment request, the SMF can download the state indication information corresponding to the terminal from the UDM.
  • the SMF may also obtain the terminal capability information of whether the terminal supports multiple cards from the UDM.
  • the subsequent SMF may jointly determine whether to send the paging reason to the AMF in combination with the terminal capability information and the status indication information.
  • step 701 the UPF determines that the terminal has downlink data arriving.
  • step 702a the UPF sends a data notification message to the SMF.
  • step 702b the SMF sends a data notification response message to the UPF.
  • step 702c the UPF sends the downlink data to the SMF.
  • step 703a the SMF determines that the paging reason needs to be carried in the target notification message based on at least the state indication information corresponding to the terminal, and sends the target notification message carrying the paging reason to the AMF.
  • the target notification message is an AMF notification message.
  • step 703b the AMF sends an AMF notification response message to the SMF.
  • step 704a If the UE is in the connected state, go to step 704a, if the UE is in the idle state, go to step 704b, if the UE is in the 3GPP connection and has accessed, the non-3GPP connection is in the idle state, and there is downlink data corresponding to the non-3GPP access service to be sent For the UE, steps 704c to 704d are performed.
  • step 704a uplink reactivation is performed between the AMF, the AN and the UE.
  • step 704b the AMF sends the paging message carrying the paging reason to the AN, and the AN sends the paging message carrying the paging reason to the UE.
  • step 704c the AMF sends a non-access stratum paging message carrying the paging reason to the UE.
  • step 704d the AMF sends a non-access stratum notification response message to the AMF.
  • step 705 the AMF sends a transmission failure notification message to the SMF.
  • step 705 is optionally performed, and in the case that any one of steps 704a, 704b, 704c, and 704d fails, step 705 is performed.
  • step 706 a service request procedure is established between UE, AN, AMF, SMF, and UPF.
  • step 707 the UPF sends the downlink data to the UE.
  • the first network side device can dynamically determine whether the paging reason needs to be sent to the second network side device, and further, the second network side device can determine whether the paging reason needs to be sent to the terminal.
  • the purpose of dynamically determining whether to send the paging reason to the terminal avoids adding additional signaling processing and delay, avoiding wasting air interface resources, and has high availability.
  • the present disclosure further provides an application function implementation device embodiment.
  • FIG. 11 is a block diagram of a paging apparatus according to an exemplary embodiment.
  • the apparatus is used for a first network side device, including:
  • the first determining module 810 is configured to, in response to determining that the terminal has downlink data arriving, determine whether it is necessary to carry the paging reason in the target notification message;
  • the first sending module 820 is configured to send the target notification message carrying the paging reason to the second network side device in response to determining that the paging reason needs to be carried in the target notification message.
  • the device further includes:
  • the second determining module is configured to determine the bit value corresponding to the paging cause carried in the target notification message.
  • the second determining module includes:
  • the first determining submodule is configured to determine the bit value corresponding to the paging cause in the target notification message according to the differentiated services code point DSCP information of the downlink data packet.
  • the first determining module includes:
  • the second determination submodule is configured to determine whether the paging reason needs to be carried in the target notification message based on at least state indication information corresponding to the terminal; wherein the state indication information is used to indicate the terminal The number of registered USIM cards.
  • the device further includes:
  • the first obtaining module is configured to obtain the state indication information corresponding to the terminal from a third network-side device.
  • the third network-side device is a unified data management UDM device.
  • the second determination submodule includes any of the following:
  • a first determining unit configured to, in response to determining that the state indication information includes first state information, determine that the paging reason does not need to be carried in the target notification message; wherein the first state information is used to indicate The number of registered USIM cards on the terminal is zero or one; or
  • the second determining unit is configured to, in response to determining that the state indication information includes second state information, determine that the paging reason needs to be carried in the target notification message; wherein the second state information is used to indicate the The number of registered USIM cards on the terminal is greater than or equal to two.
  • FIG. 12 is a block diagram of a paging apparatus according to an exemplary embodiment.
  • the apparatus is used for a second network side device, including:
  • the second sending module 910 is configured to, in response to receiving the target notification message carrying the paging cause sent by the first network side device, send the paging message carrying the paging cause to the terminal.
  • FIG. 13 is a block diagram of a paging apparatus according to an exemplary embodiment.
  • the apparatus is used for a second network side device, including:
  • the third determining module 1010 is configured to, in response to receiving the target notification message sent by the first network side device, determine whether the paging reason needs to be carried in the paging message;
  • the third sending module 1020 is configured to send a paging message carrying the paging reason to the terminal in response to determining that the paging reason needs to be carried in the paging message.
  • the third determining module includes:
  • the third determining submodule is configured to determine whether it is necessary to carry the paging reason in the paging message based on at least the state indication information corresponding to the terminal.
  • the device further includes:
  • the second obtaining module is configured to obtain the state indication information corresponding to the terminal from the terminal or a third network-side device in advance.
  • the third network side device is a unified data management UDM device.
  • the third determination submodule includes any of the following:
  • a third determining unit configured to, in response to determining that the state indication information includes first state information, determine that the paging reason does not need to be carried in the paging message; wherein the first state information is used to indicate The number of registered USIM cards on the terminal is zero or one; or
  • a fourth determining unit configured to, in response to determining that the state indication information includes the second state information and the terminal is in a connected state, determine that the paging reason does not need to be carried in the paging message; wherein the The second status information is used to indicate that the number of USIM cards in the registered state on the terminal is greater than or equal to two; or
  • a fifth determining unit configured to determine that the paging reason needs to be carried in the paging message in response to determining that the state indication information includes the second state information and the terminal is in an idle state;
  • a sixth determining unit configured to respond to determining that the state indication information includes the second state information, and the 3GPP connection corresponding to the terminal is in the connected state, the non-3GPP connection is in the idle state, and there is a connection with the non-3GPP Downlink data corresponding to the service needs to be sent to the terminal, and it is determined that the paging reason needs to be carried in the paging message.
  • the target notification message carries or does not carry the paging reason.
  • the present disclosure also provides a computer-readable storage medium, where the storage medium stores a computer program, and the computer program is used to execute any one of the paging methods described above for the first network-side device side.
  • the present disclosure also provides a computer-readable storage medium, where the storage medium stores a computer program, and the computer program is used to execute any one of the paging methods described above for the second network side device side.
  • the present disclosure also provides a paging device, including:
  • memory for storing processor-executable instructions
  • the processor is configured to execute any one of the paging methods described above on the first network side device side.
  • FIG. 14 is a schematic structural diagram of a paging apparatus 1400 according to an exemplary embodiment.
  • the apparatus 1400 may be provided as a first network-side device. 14, the apparatus 1400 includes a processing component 1422, a wireless transmit/receive component 1424, an antenna component 1426, and a signal processing portion specific to a wireless interface, and the processing component 1422 may further include one or more processors.
  • One of the processors in the processing component 1422 may be configured to execute any one of the paging methods described above on the first network side device side.
  • the present disclosure also provides a paging device, including:
  • memory for storing processor-executable instructions
  • the processor is configured to execute any one of the paging methods described above on the second network side device side.
  • FIG. 15 is a schematic structural diagram of a paging apparatus 1500 according to an exemplary embodiment.
  • the apparatus 1500 may be provided as a second network-side device.
  • apparatus 1500 includes a processing component 1522, a wireless transmit/receive component 1524, an antenna component 1526, and a signal processing portion specific to a wireless interface, which may further include one or more processors.
  • One of the processors in the processing component 1522 may be configured to execute any one of the paging methods described above on the second network side device side.

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Abstract

本公开提供一种寻呼方法及装置、存储介质，其中，所述寻呼方法包括：响应于确定终端有下行数据到达，确定是否需要在目标通知消息中携带寻呼原因；响应于确定需要在所述目标通知消息中携带所述寻呼原因，发送携带所述寻呼原因的所述目标通知消息到第二网络侧设备。本公开可以动态决定是否将寻呼原因告知终端，避免浪费空口寻呼资源，可用性高。

Description

寻呼方法及装置、存储介质 技术领域
本公开涉及通信领域，尤其涉及寻呼方法及装置、存储介质。
背景技术
随着无线通信技术的发展，多卡终端也越来越多。目前，针对多卡终端的处理方式主要是基于各个终端厂商的实现，这就导致了许多不同的终端行为和处理方式，例如双卡单待、双卡双待单通、双卡双待双通等，实际使用中会遇到不同的问题，如寻呼碰撞，一卡做业务另一卡寻呼失败，一卡做业务被打断响应另一卡寻呼等，给用户带来很不好的体验。。
3GPP(3rd Generation Partnership Project，第三代合作伙伴计划)立项Rel-17(Release 17，版本17)MUSIM(Mutil-Universal Subscriber Identity Module，全球用户识别)主要解决的问题之一就是针对多卡终端，当一个卡正在做业务，当另一张卡接收到寻呼的时候，会暂停当前卡的业务，响应寻呼消息，如果是一些不重要的数据，如短消息，应用程序更新数据等，这样会中断当前的业务。
目前，多卡终端在接收寻呼消息时，网络侧可以通过paging cause(寻呼原因)告诉即将到来的业务类型，例如语音业务，数据业务等。这样UE可以根据paging cause的值来确定是否中断当前业务，进行寻呼响应。但是支持多卡手机在生活使用过程中，很多时候只有一个卡工作，或者一段时间只装备一张卡使用，而另一段时间装备多张卡使用，在这种场景下，现有paging cause机制并不能灵活支持。
发明内容
为克服相关技术中存在的问题，本公开实施例提供一种寻呼方法及装置、存储介质。
根据本公开实施例的第一方面，提供一种寻呼方法，所述方法用于第一网络侧设备，包括：
响应于确定终端有下行数据到达，确定是否需要在目标通知消息中携带寻呼原因；
响应于确定需要在所述目标通知消息中携带所述寻呼原因，发送携带所述寻呼原因的所述目标通知消息到第二网络侧设备。
可选地，所述发送携带所述寻呼原因的所述目标通知消息到第二网络侧设备之前，所述方法还包括：
确定所述目标通知消息中携带的所述寻呼原因对应的比特值。
可选地，所述确定所述目标通知消息中携带的所述寻呼原因对应的比特值，包括：
根据下行数据数据包的差分服务代码点DSCP信息，确定所述目标通知消息中所述寻呼原因对应的比特值。
可选地，所述确定是否需要在目标通知消息中携带寻呼原因，包括：
至少基于所述终端对应的状态指示信息，确定是否需要在所述目标通知消息中携带所述寻呼原因；其中，所述状态指示信息用于指示所述终端上处于注册状态的USIM卡的数目。
可选地，所述确定终端有下行数据到达之前，所述方法还包括：
从第三网络侧设备获取所述终端对应的所述状态指示信息。
可选地，所述第三网络侧设备是统一数据管理UDM设备。
可选地，所述至少基于所述终端对应的状态指示信息，确定是否需要在所述目标通知消息中携带所述寻呼原因，包括以下任一项：
响应于确定所述状态指示信息包括第一状态信息，确定不需要在所述目标通知消息中携带所述寻呼原因；其中，所述第一状态信息用于指示所述终端上处于注册状态的USIM卡的数目为零或一；或
响应于确定所述状态指示信息包括第二状态信息，确定需要在所述目标通知消息中携带所述寻呼原因；其中，所述第二状态信息用于指示所述 终端上处于注册状态的USIM卡的数目大于或等于二。
根据本公开实施例的第二方面，提供一种寻呼方法，所述方法用于第二网络侧设备，包括：
响应于接收到第一网络侧设备发送的携带寻呼原因的目标通知消息，发送携带寻呼原因的寻呼消息给终端。
根据本公开实施例的第三方面，提供一种寻呼方法，所述方法用于第二网络侧设备，包括：
响应于接收到第一网络侧设备发送的目标通知消息，确定是否需要在寻呼消息中携带寻呼原因；
响应于确定需要在所述寻呼消息中携带寻呼原因，发送携带所述寻呼原因的寻呼消息给终端。
可选地，所述确定是否需要在寻呼消息中携带寻呼原因，包括：
至少基于所述终端对应的状态指示信息，确定是否需要在寻呼消息中携带寻呼原因。
可选地，所述方法还包括：
预先从所述终端或第三网络侧设备获取所述终端对应的所述状态指示信息。
可选地，所述第三网络侧设备是统一数据管理UDM设备。
可选地，所述至少基于所述终端对应的状态指示信息，确定是否需要在寻呼消息中携带寻呼原因，包括以下任一项：
响应于确定所述状态指示信息包括第一状态信息，确定不需要在所述寻呼消息中携带所述寻呼原因；其中，所述第一状态信息用于指示所述终端上处于注册状态的USIM卡的数目为零或一；或
响应于确定所述状态指示信息包括第二状态信息，且所述终端处于连接态，确定不需要在所述寻呼消息中携带所述寻呼原因；其中，所述第二状态信息用于指示所述终端上处于注册状态的USIM卡的数目大于或等于二；或
响应于确定所述状态指示信息包括所述第二状态信息，且所述终端处于空闲态，确定需要在所述寻呼消息中携带所述寻呼原因；或
响应于确定所述状态指示信息包括所述第二状态信息，且所述终端对应的3GPP连接为已连接状态，非3GPP连接为空闲态，并有与非3GPP连接业务对应的下行数据需要发送给所述终端，确定需要在所述寻呼消息中携带所述寻呼原因。
可选地，所述目标通知消息中携带寻呼原因或未携带寻呼原因。
根据本公开实施例的第四方面，提供一种寻呼装置，所述装置用于第一网络侧设备，包括：
第一确定模块，被配置为响应于确定终端有下行数据到达，确定是否需要在目标通知消息中携带寻呼原因；
第一发送模块，被配置为响应于确定需要在所述目标通知消息中携带所述寻呼原因，发送携带所述寻呼原因的所述目标通知消息到第二网络侧设备。
可选地，所述装置还包括：
第二确定模块，被配置为确定所述目标通知消息中携带的所述寻呼原因对应的比特值。
可选地，所述第二确定模块包括：
第一确定子模块，被配置为根据下行数据数据包的差分服务代码点DSCP信息，确定所述目标通知消息中所述寻呼原因对应的比特值。
可选地，所述第一确定模块包括：
第二确定子模块，被配置为至少基于所述终端对应的状态指示信息，确定是否需要在所述目标通知消息中携带所述寻呼原因；其中，所述状态指示信息用于指示所述终端上处于注册状态的USIM卡的数目。
可选地，所述装置还包括：
第一获取模块，被配置为从第三网络侧设备获取所述终端对应的所述状态指示信息。
可选地，所述第三网络侧设备是统一数据管理UDM设备。
可选地，所述第二确定子模块包括以下任一项：
第一确定单元，被配置为响应于确定所述状态指示信息包括第一状态信息，确定不需要在所述目标通知消息中携带所述寻呼原因；其中，所述第一状态信息用于指示所述终端上处于注册状态的USIM卡的数目为零或一；或
第二确定单元，被配置为响应于确定所述状态指示信息包括第二状态信息，确定需要在所述目标通知消息中携带所述寻呼原因；其中，所述第二状态信息用于指示所述终端上处于注册状态的USIM卡的数目大于或等于二。
根据本公开实施例的第五方面，提供一种寻呼装置，所述装置用于第二网络侧设备，包括：
第二发送模块，被配置为响应于接收到第一网络侧设备发送的携带寻呼原因的目标通知消息，发送携带寻呼原因的寻呼消息给终端。
根据本公开实施例的第六方面，提供一种寻呼装置，所述装置用于第二网络侧设备，包括：
第三确定模块，被配置为响应于接收到第一网络侧设备发送的目标通知消息，确定是否需要在寻呼消息中携带寻呼原因；
第三发送模块，被配置为响应于确定需要在所述寻呼消息中携带寻呼原因，发送携带所述寻呼原因的寻呼消息给终端。
可选地，所述第三确定模块包括：
第三确定子模块，被配置为至少基于所述终端对应的状态指示信息，确定是否需要在寻呼消息中携带寻呼原因。
可选地，所述装置还包括：
第二获取模块，被配置为预先从所述终端或第三网络侧设备获取所述终端对应的所述状态指示信息。
可选地，所述第三网络侧设备是统一数据管理UDM设备。
可选地，所述第三确定子模块包括以下任一项：
第三确定单元，被配置为响应于确定所述状态指示信息包括第一状态信息，确定不需要在所述寻呼消息中携带所述寻呼原因；其中，所述第一状态信息用于指示所述终端上处于注册状态的USIM卡的数目为零或一；或
第四确定单元，被配置为响应于确定所述状态指示信息包括第二状态信息，且所述终端处于连接态，确定不需要在所述寻呼消息中携带所述寻呼原因；其中，所述第二状态信息用于指示所述终端上处于注册状态的USIM卡的数目大于或等于二；或
第五确定单元，被配置为响应于确定所述状态指示信息包括所述第二状态信息，且所述终端处于空闲态，确定需要在所述寻呼消息中携带所述寻呼原因；或
第六确定单元，被配置为响应于确定所述状态指示信息包括所述第二状态信息，且所述终端对应的3GPP连接为已连接状态，非3GPP连接为空闲态，并有与非3GPP连接业务对应的下行数据需要发送给所述终端，确定需要在所述寻呼消息中携带所述寻呼原因。
可选地，所述目标通知消息中携带寻呼原因或未携带寻呼原因。
根据本公开实施例的第七方面，提供一种计算机可读存储介质，所述存储介质存储有计算机程序，所述计算机程序用于执行上述第一方面任一项所述的寻呼方法。
根据本公开实施例的第八方面，提供一种计算机可读存储介质，所述存储介质存储有计算机程序，所述计算机程序用于执行上述第二方面或第三方面任一项所述的寻呼方法。
根据本公开实施例的第九方面，提供一种寻呼装置，包括：
处理器；
用于存储处理器可执行指令的存储器；
其中，所述处理器被配置为用于执行上述第一方面任一项所述的寻呼 方法。
根据本公开实施例的第十方面，提供一种寻呼装置，包括：
处理器；
用于存储处理器可执行指令的存储器；
其中，所述处理器被配置为用于执行上述第二方面或第三方面任一项所述的寻呼方法。
本公开的实施例提供的技术方案可以包括以下有益效果：
本公开实施例中，第一网络侧设备可以在确定终端有下行数据到达的情况下，确定是否需要在目标通知消息中携带寻呼原因。从而在需要携带寻呼原因的情况下，发送携带寻呼原因的目标通知消息到第二网络侧设备。本公开可以动态决定是否将寻呼原因告知终端，避免浪费空口寻呼资源，可用性高。
本公开实施例中，第一网络侧设备至少可以基于终端对应的状态指示信息，来确定是否需要在目标通知消息中携带寻呼原因。其中，状态指示信息用于指示终端上处于注册状态的USIM卡的数目。实现了根据终端上处于注册状态的USIM卡的数目，动态决定是否发送寻呼原因给终端的目的，可用性高。
本公开实施例中，多卡终端上处于注册状态的USIM卡的数目为零或一的情况下，第一网络侧设备可以按照单卡终端的寻呼方式寻呼该多卡终端，无需在目标通知消息中携带寻呼原因。多卡终端上处于注册状态的USIM卡的数目有两个或两个以上的情况下，第一网络侧设备可以在目标通知消息中携带寻呼原因。实现了根据终端上处于注册状态的USIM卡的数目，动态决定是否发送寻呼原因给终端的目的，可用性高。
本公开实施例中，第二网络侧设备可以在接收到第一网络侧设备发送的携带寻呼原因的目标通知消息后，直接发送携带寻呼原因的寻呼消息给终端。从而实现了动态决定是否发送寻呼原因给终端的目的，避免浪费空口寻呼资源，可用性高。
本公开实施例中，还可以由第二网络侧设备决定是否需要在发送给终端的寻呼消息中携带寻呼原因。进一步避免浪费空口寻呼资源，可用性高。
本公开实施例中，第二网络侧设备至少可以基于终端对应的状态指示信息，来确定是否需要在寻呼消息中携带寻呼原因，实现了根据终端上处于注册状态的USIM卡的数目，动态决定是否发送寻呼原因给终端的目的，可用性高。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本公开。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本发明的实施例，并与说明书一起用于解释本发明的原理。
图1是根据一示例性实施例示出的一种寻呼方法流程示意图。
图2是根据一示例性实施例示出的另一种寻呼方法流程示意图。
图3是根据一示例性实施例示出的另一种寻呼方法流程示意图。
图4是根据一示例性实施例示出的另一种寻呼方法流程示意图。
图5是根据一示例性实施例示出的另一种寻呼方法流程示意图。
图6是根据一示例性实施例示出的另一种寻呼方法流程示意图。
图7是根据一示例性实施例示出的另一种寻呼方法流程示意图。
图8是根据一示例性实施例示出的另一种寻呼方法流程示意图。
图9是根据一示例性实施例示出的另一种寻呼方法流程示意图。
图10是根据一示例性实施例示出的另一种寻呼方法流程示意图。
图11是根据一示例性实施例示出的一种寻呼装置框图。
图12是根据一示例性实施例示出的另一种寻呼装置框图。
图13是根据一示例性实施例示出的另一种寻呼装置框图。
图14是本公开根据一示例性实施例示出的一种寻呼装置的一结构示意图。
图15是本公开根据一示例性实施例示出的另一种寻呼装置的一结构示意图。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本发明相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本发明的一些方面相一致的装置和方法的例子。
在本公开使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本公开。在本公开和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。还应当理解，本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
应当理解，尽管在本公开可能采用术语第一、第二、第三等来描述各种信息，但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如，在不脱离本公开范围的情况下，第一信息也可以被称为第二信息，类似地，第二信息也可以被称为第一信息。取决于语境，如在此所使用的词语“如果”可以被解释成为“在……时”或“当……时”或“响应于确定”。
在介绍本公开实施例提供的寻呼方案之前，先介绍一下相关技术中针对单卡终端进行寻呼的过程。参照图1所示，图1是根据一实施例示出的一种寻呼方法流程图，包括以下步骤：
在步骤101中，UPF(User Plane Function，用户面功能)确定终端有下行数据到达。
在步骤102a中，UPF发送数据通知消息给SMF(Session Management Function，会话管理网元)。
在步骤102b中，SMF发送数据通知响应消息给UPF。
在步骤102c中，UPF发送下行数据给SMF。
在步骤103a中，SMF发送AMF通知消息给AMF(Access and Mobility Management Function，接入和移动性管理网元)。
其中，SMF可以通过与AMF之间的N1N2接口，将AMF通知消息发送给AMF。
在步骤103b中，AMF发送AMF通知响应消息给SMF。
同样地，AMF可以通过与SMF之间的N1N2接口，将AMF通知响应消息发送给SMF。
在步骤103c中，SMF发送失败指示给UPF。
其中，步骤103c是可选执行的，如果SMF在发送AMF通知消息后的预设时间段内没有接收到AMF发送的响应消息，可以发送失败指示给UPF。
如果UE处于连接态，执行步骤104a，如果UE处于空闲态，执行步骤104b，如果UE处于3GPP连接已接入，非3GPP连接处于空闲态，且有与非3GPP接入业务对应的下行数据需要发送给该UE，则执行步骤104c至104d。
在步骤104a中，AMF、AN(Access Network，接入网络)和UE之间进行上行再激活。
在步骤104b中，AMF发送寻呼消息给AN，AN将寻呼消息发送给UE。
在步骤104c中，AMF发送NAS(Non-access stratum，非接入层)通知消息给UE。
在步骤104d中，UE发送非接入层通知响应消息给AMF。
在步骤105中，AMF发送传输失败通知消息给SMF。
其中，步骤105可选执行，在104a、104b、104c和104d中任一步骤失败的情况下，执行步骤105。
在步骤106中，在UE、AN、AMF、SMF、UPF之间建立服务请求过程。
在步骤107中，UPF将下行数据发送给UE。
上述实施例是相关技术中，针对单卡终端进行寻呼以及下行数据发送的过程。
对多卡终端而言，在多卡终端通过其中一个USIM卡正在进行业务，另一个USIM卡接收到寻呼消息的情况下，为了让多卡终端基于寻呼原因决定是否需要进行寻呼响应，可以在上述步骤102c、103a、104b、104c中携带寻呼原因，以便多卡终端根据寻呼原因决定是否进行寻呼响应。
相应地，在步骤104d中，UE如果根据寻呼原因确定不进行寻呼响应，可以在非接入层响应消息中携带不进行寻呼响应的指示信息，以便网络侧得知该SIM卡接收到寻呼消息，但决定不进行寻呼响应。
在步骤106中，UE可以基于寻呼消息或NAS通知消息中的寻呼原因，确定进行寻呼响应后，建立服务请求过程。
通过上述过程可以看出，如果按照上述寻呼方案对多卡终端进行寻呼，需要在多个信令中增加寻呼原因，在多卡终端只有一个USIM卡正在使用的情况下(此时多卡终端实际上相当于单卡终端)，会增加额外的信令处理和通信时延，且携带寻呼原因会浪费宝贵的空口寻呼资源。
为了解决上述问题，本公开提供了如下的寻呼方案。
下面先从第一网络侧设备侧介绍一下本公开提供的寻呼方案。本公开实施例提供了一种寻呼方法，参照图2所示，图2是根据一实施例示出的一种寻呼方法流程图，可以用于第一网络侧设备，其中，第一网络侧设备是SMF或其他网络侧设备，该方法可以包括以下步骤：
在步骤201中，响应于确定终端有下行数据到达，确定是否需要在目标通知消息中携带寻呼原因。
在本公开实施例中，第一网络侧设备在接收到UPF发送的数据通知消息的情况下，确定终端有下行数据到达。第一网络侧设备至少可以基于终 端的状态指示信息，确定是否需要在目标通知消息中携带寻呼原因。其中，状态指示信息用于指示所述终端上处于注册状态的USIM卡的数目，目标通知消息包括但不限于发送给第二网络侧设备的通知消息。
在步骤202中，响应于确定需要在所述目标通知消息中携带所述寻呼原因，发送携带所述寻呼原因的所述目标通知消息到第二网络侧设备。
在本公开实施例中，第一网络侧设备可以在确定需要携带寻呼原因的情况下，发送携带寻呼原因的目标通知消息给第二网络侧设备，其中，第二网络侧设备可以是AMF，或其他网络侧设备。
如果不需要携带寻呼原因，那么第一网络侧设备直接按照相关技术，发送不携带寻呼原因的目标通知消息到第二网络侧设备即可。
上述实施例中，第一网络侧设备可以在确定终端有下行数据到达的情况下，确定是否需要在目标通知消息中携带寻呼原因。从而在需要携带寻呼原因的情况下，发送携带寻呼原因的目标通知消息到第二网络侧设备。本公开可以动态决定是否将寻呼原因告知终端，避免浪费空口寻呼资源，可用性高。
在一些可选实施例中，参照图3所示，图3是根据图2所示实施例示出的另一种寻呼方法流程图，在执行步骤202之前，该方法还可以包括以下步骤：
在步骤203中，确定所述目标通知消息中携带的所述寻呼原因对应的比特值。
在本公开实施例中，第一网络侧设备在发送携带寻呼原因的目标通知消息到第二网络侧设备之前，可以先确定目标通知消息中携带的寻呼原因对应的比特值，通过该比特值将寻呼原因告知终端。
在一个示例中，第一网络侧设备可以根据下行数据数据包的DSCP(Differentiated Services Code Point，差分服务代码点)信息，确定寻呼原因。进一步地，可以根据不同寻呼原因和不同比特值之间的对应关系，确定所述目标通知消息中所述寻呼原因对应的比特值。
上述实施例中，第一网络侧设备可以根据下行数据包的DSCP信息，确定目标通知消息中携带的寻呼原因对应的比特值，以便将寻呼原因发送给第二网络侧设备，再由第二网络侧设备告知终端寻呼原因，可用性高。
在一些可选实施例中，可以由第一网络侧设备动态决定是否需要在目标通知消息中携带寻呼原因。第一网络侧设备可以至少基于终端对应的状态指示信息，确定是否需要携带寻呼原因。其中，状态指示信息用于指示所述终端上处于注册状态的USIM卡的数目。
在一个示例中，第一网络侧设备可以基于终端对应的状态指示信息，来确定是否需要在所述目标通知消息中携带所述寻呼原因。
在另一个示例中，第一网络侧设备可以基于本地策略和终端对应的状态指示信息，共同确定是否需要在目标通知消息中携带寻呼原因。
上述实施例中，可以由第一网络侧设备动态决定是否将寻呼原因发送给第二网络侧设备，避免浪费空口资源，可用性高。
在一些可选实施例中，参照图4所示，图4是根据图2所示实施例示出的另一种寻呼方法流程图，在执行步骤201之前，该方法还可以包括以下步骤：
在步骤200中，从第三网络侧设备获取所述终端对应的所述状态指示信息。
在本公开实施例中，第三网络侧设备可以是UDM(Unified Data Management，统一数据管理)设备。当然，第三网络侧设备也可以是其他网络侧设备，本公开对此不作限定。在一个示例中，第三网络侧设备也可以是AMF。
第一网络侧设备可以在建立业务连接的阶段，就从第三网络侧设备处下载终端对应的状态指示信息，从而可以在确定有终端的下行数据到达的情况下，至少基于终端对应的状态指示信息，确定是否需要在目标通知消息中携带寻呼原因。
其中，SMF从UDM处获取的终端对应的状态指示信息例如表1所示。
表1
Figure PCTCN2020138828-appb-000001
上述实施例中，第一网络侧设备可以预先从第三网络侧设备处获取终端对应的状态指示信息，从而至少基于终端对应的状态指示，确定是否需要在目标通知消息中携带寻呼原因，避免浪费空口资源，减少信令处理以及时延，可用性高。
在一些可选实施例中，如果终端对应的状态指示信息包括第一状态信息，那么第一网络侧设备可以确定不需要在目标通知消息中携带所述寻呼原因。如果状态指示信息包括第二状态信息，那么第一网络侧设备确定需要在所述目标通知消息中携带所述寻呼原因。
在一个示例中，第一状态可以通过但不限于“MUSIM_OFF”状态表示，第一状态信息用于指示该终端上的处于注册状态的SIM卡的数目可以为零或者一。即多卡终端虽然支持多卡，但在“MUSIM_OFF”状态下，实际上属于单卡终端。相应地，第一网络侧设备可以按照相关技术中，寻 呼单卡终端的方式发送未携带寻呼原因的目标通知消息给第二网络侧设备。
第二状态可以通过但不限于“MUSIM_ON”状态表示，第二状态信息用于指示处于注册状态的SIM卡的数目可以为两个或更多。相应地，多卡终端在“MUSIM_ON”状态下，有多个正在使用的USIM卡。相应地，第一网络侧设备可以发送携带寻呼原因的目标通知消息给第二网络侧设备。
以上仅为示例性的说明，本领域技术人员可以想到的是，状态指示信息还可以直接指示注册状态的SIM卡的数目，其他用于指示处于注册状态的SIM卡的数目的状态指示信息的实现方式均应属于本公开的保护范围。
上述实施例中，可以由第一网络侧设备动态决定是否发送携带寻呼原因的目标通知消息给第二网络侧设备，从而可以实现动态决定是否告知终端寻呼原因的目的，避免浪费空口寻呼资源，可用性高。
在一些可选实施例中，参照图5所示，图5是根据一实施例示出的一种寻呼方法流程图，可以用于第二网络侧设备，其中，第二网络侧设备可以是AMF或其他网络侧设备，该方法可以包括以下步骤：
在步骤301中，响应于接收到第一网络侧设备发送的携带寻呼原因的目标通知消息，发送携带寻呼原因的寻呼消息给终端。
在本公开实施例中，第二网络侧设备在接收到第一网络侧设备发送的携带寻呼原因的目标通知消息后，可以直接发送携带寻呼原因的寻呼消息给终端，其中寻呼消息中的寻呼原因的比特值可以与目标通知消息中携带的寻呼原因的比特值一致。
上述实施例中，第二网络侧设备在接收到第一网络侧设备发送的携带寻呼原因的目标通知消息，可以发送携带寻呼原因的寻呼消息给终端，以便将信息原因告知终端，实现了由第一网络侧设备动态决定是否将寻呼原因告知终端的目的，避免浪费空口资源，可用性高。
在一些可选实施例中，参照图6所示，图6是根据一实施例示出的一种寻呼方法流程图，图6中以第一网络侧设备是SMF，第二网络侧设备是AMF，第三网络侧设备是UDM为例进行说明，该方法可以包括以下步骤：
在步骤400中，SMF从UDM获取终端对应的状态指示信息。
在本公开实施例中，在终端侧发起PDU会话建立请求时，SMF就可以从UDM处下载终端对应的状态指示信息。可选地，SMF还可以从UDM处获取该终端是否支持多卡的终端能力信息。后续SMF可以结合终端能力信息和状态指示信息，共同确定是否需要将寻呼原因发送给AMF。
在步骤401中，UPF确定终端有下行数据到达。
在步骤402a中，UPF发送数据通知消息给SMF。
在步骤402b中，SMF发送数据通知响应消息给UPF。
在步骤402c中，UPF发送下行数据给SMF。
在步骤403a中，SMF至少基于所述终端对应的状态指示信息，确定需要在所述目标通知消息中携带所述寻呼原因后，发送携带寻呼原因的目标通知消息给AMF。
在本公开实施例中，如果不需要在目标通知消息中携带寻呼原因，可以按照图1所示的方式继续进行寻呼和下行数据的传输，在此不再赘述。目标通知消息为AMF通知消息。
在步骤403b中，AMF发送AMF通知响应消息给SMF。
在步骤404中，AMF发送携带寻呼原因的寻呼消息给终端。
上述实施例中，第一网络侧设备确定需要将寻呼原因发送给第二网络侧设备后，第二网络侧可以直接发送携带寻呼原因的寻呼消息给终端，实现了动态决定是否将寻呼原因告知终端的目的，减少了针对所有终端或多卡终端的任意USIM卡使用情况，均将寻呼原因告知终端所造成的额外的信令处理及时延，避免浪费空口资源，可用性高。
上述实施例中，可以由第一网络侧设备至少基于终端对应的状态指示信息，动态确定是否需要将寻呼原因告知终端，在本公开实施例中，还可以通过第二网络侧设备直接确实是否需要将寻呼原因告知终端。
参照图7所示，图7是根据一实施例示出的一种寻呼方法流程图，可以用于第二网络侧设备，其中，第二网络侧设备可以是AMF或其他网络 侧设备，该方法可以包括以下步骤：
在步骤501中，响应于接收到第一网络侧设备发送的目标通知消息，确定是否需要在寻呼消息中携带寻呼原因。
在本公开实施例中，目标通知消息中可以携带或未携带寻呼原因，在目标通知消息中未携带寻呼原因的情况下，可以由第二网络侧设备确定是否需要在寻呼消息中携带寻呼原因。在目标通知消息中携带了寻呼原因的情况下，第二网络侧设备可以直接发送携带寻呼原因的寻呼消息给终端，也可以进一步确定是否需要在寻呼消息中携带寻呼原因。
在步骤502中，响应于确定需要在所述寻呼消息中携带寻呼原因，发送携带所述寻呼原因的寻呼消息给终端。
上述实施例中，还可以由第二网络侧设备决定是否需要在发送给终端的寻呼消息中携带寻呼原因。进一步避免浪费空口寻呼资源，可用性高。
在一些可选实施例中，第二网络侧设备可以至少基于终端对应的状态指示信息，确定是否需要在寻呼消息中携带寻呼原因。
在一个示例中，第二网络侧设备可以基于终端对应的状态指示信息，确定是否需要在寻呼消息中携带寻呼原因。在另一个示例中，第二网络侧设备也可以基于终端对应的状态指示信息和本地策略，共同确定是否需要在寻呼消息中携带寻呼原因。
上述实施例中，第二网络侧设备可以至少基于终端对应的状态指示信息，动态决定是否需要在寻呼消息中携带寻呼原因，实现了动态决定是否将寻呼原因告知终端侧的目的，避免浪费空口资源，可用性高。
在一些可选实施例中，参照图8所示，图8是根据一实施例示出的一种寻呼方法流程图，该方法还可以包括以下步骤：
在步骤500中，预先从所述终端或第三网络侧设备获取所述终端对应的所述状态指示信息。
在本公开实施例中，第三网络侧设备可以是UDM设备，或者第三网络侧设备也可以是其他网络侧设备，本公开对此不作限定。AMF可以预先 从终端直接获取终端对应的状态指示信息，或者终端将状态指示信息发送给UDM，UDM存储在自身维护的标准化信息元素表格中，AMF从UDM处获取该终端对应的状态指示信息。AMF获取终端对应的状态指示信息后，可以存储在自身维护的标准化信息元素表格中，例如表2所示。
表2
Figure PCTCN2020138828-appb-000002
在一些可选实施例中，第二网络侧设备至少基于所述终端对应的状态指示信息，确定是否需要在寻呼消息中携带寻呼原因，可以包括以下任一项：
1、响应于确定所述状态指示信息包括第一状态信息，确定不需要在所述寻呼消息中携带所述寻呼原因。
在本公开实施例中，如果终端上处于注册状态的USIM卡的数目为0或1，那么可以按照单卡终端的方式进行寻呼，无需在寻呼消息中携带寻 呼原因。
2、响应于确定所述状态指示信息包括第二状态信息，且所述终端处于连接态，确定不需要在所述寻呼消息中携带所述寻呼原因。
在本公开实施例中，虽然终端上处于注册状态的USIM卡的数目为2个或更多，但是该终端处于连接态，可以按照相关技术中单卡终端处于连接态的方式进行处理(按照上述步骤104)。
3、响应于确定所述状态指示信息包括所述第二状态信息，且所述终端处于空闲态，确定需要在所述寻呼消息中携带所述寻呼原因。
在本公开实施例中，为了避免另一个USIM卡正在进行业务处理，直接中断另一个USIM卡的业务，可以在寻呼消息中携带寻呼原因，以便终端根据寻呼原因，确定是否需要进行寻呼响应。
4、响应于确定所述状态指示信息包括所述第二状态信息，且所述终端对应的3GPP连接为已连接状态，非3GPP连接为空闲态，并有与非3GPP连接业务对应的下行数据需要发送给所述终端，确定需要在所述寻呼消息中携带所述寻呼原因。
在本公开实施例中，第二网络侧设备可以通过携带寻呼原因的NAS寻呼消息发送给终端。
上述实施例中，第二网络侧设备可以至少基于终端对应的状态指示信息，动态确定是否需要在寻呼消息中携带寻呼原因，避免浪费空口资源，可用性高。
在一些可选实施例中，终端的第一USIM卡发起注册请求，且终端确定状态指示信息包括第一状态指示信息(即MUSIM_OFF)，那么第一USIM卡在注册请求消息中可以不携带状态指示信息。在第二USIM卡发起注册请求时，第二USIM卡确定状态指示信息包括第一状态信息，且有一张USIM卡已经处于注册成功状态，第二UMSIM卡可以发起携带更新后的状态指示信息的注册请求消息到网络侧，UDM和/或AMF均可以将自身保存的该终端对应的状态指示信息进行更新，更新为第二状态信息(即 MUSI_ON)。在第二UMSI卡注册成功后，终端更新自身的状态指示信息，更新后的状态指示信息为第二状态信息，第一UMSIM卡发起状态更新，将更新后的状态指示信息同样更新到网络侧，包括但不限于更新到UDM和/或AMF中。
参照图9所示，图9是根据一实施例示出的一种寻呼方法流程图，图9中以第一网络侧设备是SMF，第二网络侧设备是AMF，第三网络侧设备是UDM为例进行说明，该方法可以包括以下步骤：
在步骤601中，UPF确定终端有下行数据到达。
在步骤602a中，UPF发送数据通知消息给SMF。
在步骤602b中，SMF发送数据通知响应消息给UPF。
在步骤602c中，UPF发送下行数据给SMF。
在步骤603a中，SMF发送携带目标通知消息给AMF。
其中，目标通知消息为AMF通知消息。
在步骤603b中，AMF发送AMF通知响应消息给SMF。
以上步骤可以与图1中的步骤101至步骤103b一致。
本公开实施例中，由AMF确定是否需要在寻呼消息中携带寻呼原因。如果UE处于连接态，不需要在寻呼消息中携带寻呼原因，直接执行步骤604a，如果UE处于空闲态，需要在寻呼消息中携带寻呼原因，执行步骤604b，如果UE处于3GPP连接已接入，非3GPP连接处于空闲态，且有与非3GPP接入业务对应的下行数据需要发送给该UE，需要在寻呼消息中携带寻呼原因，执行步骤604c至604d。
在步骤604a中，AMF、AN和UE之间进行上行再激活。
在步骤604b中，AMF发送携带寻呼原因的寻呼消息给AN，AN将携带寻呼原因的寻呼消息发送给UE。
在步骤604c中，AMF发送携带寻呼原因的非接入层寻呼消息给UE。
在步骤604d中，AMF发送非接入层通知响应消息给AMF。
在步骤605中，AMF发送传输失败通知消息给SMF。
其中，步骤605可选执行，在604a、604b、604c和604d中任一步骤失败的情况下，执行步骤605。
在步骤606中，在UE、AN、AMF、SMF、UPF之间建立服务请求过程。
在步骤607中，UPF将下行数据发送给UE。
上述实施例中，第二网络侧设备至少可以基于终端对应的状态指示信息，来确定是否需要在寻呼消息中携带寻呼原因，实现了根据终端上处于注册状态的USIM卡的数目，动态决定是否发送寻呼原因给终端的目的，可用性高。
在一些可选实施例中，参照图10所示，图10是根据一实施例示出的一种寻呼方法流程图，图10中以第一网络侧设备是SMF，第二网络侧设备是AMF，第三网络侧设备是UDM为例进行说明，该方法可以包括以下步骤：
在步骤700中，SMF从UDM获取终端对应的状态指示信息。
在本公开实施例中，在终端侧发起PDU会话建立请求时，SMF就可以从UDM处下载终端对应的状态指示信息。可选地，SMF还可以从UDM处获取该终端是否支持多卡的终端能力信息。后续SMF可以结合终端能力信息和状态指示信息，共同确定是否需要将寻呼原因发送给AMF。
在步骤701中，UPF确定终端有下行数据到达。
在步骤702a中，UPF发送数据通知消息给SMF。
在步骤702b中，SMF发送数据通知响应消息给UPF。
在步骤702c中，UPF发送下行数据给SMF。
在步骤703a中，SMF至少基于所述终端对应的状态指示信息，确定需要在所述目标通知消息中携带所述寻呼原因后，发送携带寻呼原因的目标通知消息给AMF。
在本公开实施例中，如果不需要在目标通知消息中携带寻呼原因，可以按照图1所示的方式继续进行寻呼和下行数据的传输，在此不再赘述。 目标通知消息为AMF通知消息。
在步骤703b中，AMF发送AMF通知响应消息给SMF。
如果UE处于连接态，执行步骤704a，如果UE处于空闲态，执行步骤704b，如果UE处于3GPP连接已接入，非3GPP连接处于空闲态，且有与非3GPP接入业务对应的下行数据需要发送给该UE，则执行步骤704c至704d。
在步骤704a中，AMF、AN和UE之间进行上行再激活。
在步骤704b中，AMF发送携带寻呼原因的寻呼消息给AN，AN将携带寻呼原因的寻呼消息发送给UE。
在步骤704c中，AMF发送携带寻呼原因的非接入层寻呼消息给UE。
在步骤704d中，AMF发送非接入层通知响应消息给AMF。
在步骤705中，AMF发送传输失败通知消息给SMF。
其中，步骤705可选执行，在704a、704b、704c和704d中任一步骤失败的情况下，执行步骤705。
在步骤706中，在UE、AN、AMF、SMF、UPF之间建立服务请求过程。
在步骤707中，UPF将下行数据发送给UE。
上述实施例中，可以由第一网络侧设备动态确定是否需要将寻呼原因发送给第二网络侧设备，进一步地，第二网络侧设备可以决定是否需要将寻呼原因发送给终端，实现了动态决定是否将寻呼原因发送给终端的目的，避免增加额外的信令处理和时延，避免浪费空口资源，可用性高。
与前述应用功能实现方法实施例相对应，本公开还提供了应用功能实现装置的实施例。
参照图11，图11是根据一示例性实施例示出的一种寻呼装置框图，所述装置用于第一网络侧设备，包括：
第一确定模块810，被配置为响应于确定终端有下行数据到达，确定是否需要在目标通知消息中携带寻呼原因；
第一发送模块820，被配置为响应于确定需要在所述目标通知消息中携带所述寻呼原因，发送携带所述寻呼原因的所述目标通知消息到第二网络侧设备。
可选地，所述装置还包括：
第二确定模块，被配置为确定所述目标通知消息中携带的所述寻呼原因对应的比特值。
可选地，所述第二确定模块包括：
第一确定子模块，被配置为根据下行数据数据包的差分服务代码点DSCP信息，确定所述目标通知消息中所述寻呼原因对应的比特值。
可选地，所述第一确定模块包括：
第二确定子模块，被配置为至少基于所述终端对应的状态指示信息，确定是否需要在所述目标通知消息中携带所述寻呼原因；其中，所述状态指示信息用于指示所述终端上处于注册状态的USIM卡的数目。
可选地，所述装置还包括：
第一获取模块，被配置为从第三网络侧设备获取所述终端对应的所述状态指示信息。
可选地，所述第三网络侧设备是统一数据管理UDM设备。
可选地，所述第二确定子模块包括以下任一项：
第一确定单元，被配置为响应于确定所述状态指示信息包括第一状态信息，确定不需要在所述目标通知消息中携带所述寻呼原因；其中，所述第一状态信息用于指示所述终端上处于注册状态的USIM卡的数目为零或一；或
第二确定单元，被配置为响应于确定所述状态指示信息包括第二状态信息，确定需要在所述目标通知消息中携带所述寻呼原因；其中，所述第二状态信息用于指示所述终端上处于注册状态的USIM卡的数目大于或等于二。
参照图12，图12是根据一示例性实施例示出的一种寻呼装置框图， 所述装置用于第二网络侧设备，包括：
第二发送模块910，被配置为响应于接收到第一网络侧设备发送的携带寻呼原因的目标通知消息，发送携带寻呼原因的寻呼消息给终端。
参照图13，图13是根据一示例性实施例示出的一种寻呼装置框图，所述装置用于第二网络侧设备，包括：
第三确定模块1010，被配置为响应于接收到第一网络侧设备发送的目标通知消息，确定是否需要在寻呼消息中携带寻呼原因；
第三发送模块1020，被配置为响应于确定需要在所述寻呼消息中携带寻呼原因，发送携带所述寻呼原因的寻呼消息给终端。
可选地，所述第三确定模块包括：
第三确定子模块，被配置为至少基于所述终端对应的状态指示信息，确定是否需要在寻呼消息中携带寻呼原因。
可选地，所述装置还包括：
第二获取模块，被配置为预先从所述终端或第三网络侧设备获取所述终端对应的所述状态指示信息。
可选地，所述第三网络侧设备是统一数据管理UDM设备。
可选地，所述第三确定子模块包括以下任一项：
第三确定单元，被配置为响应于确定所述状态指示信息包括第一状态信息，确定不需要在所述寻呼消息中携带所述寻呼原因；其中，所述第一状态信息用于指示所述终端上处于注册状态的USIM卡的数目为零或一；或
第四确定单元，被配置为响应于确定所述状态指示信息包括第二状态信息，且所述终端处于连接态，确定不需要在所述寻呼消息中携带所述寻呼原因；其中，所述第二状态信息用于指示所述终端上处于注册状态的USIM卡的数目大于或等于二；或
第五确定单元，被配置为响应于确定所述状态指示信息包括所述第二状态信息，且所述终端处于空闲态，确定需要在所述寻呼消息中携带所述 寻呼原因；或
第六确定单元，被配置为响应于确定所述状态指示信息包括所述第二状态信息，且所述终端对应的3GPP连接为已连接状态，非3GPP连接为空闲态，并有与非3GPP连接业务对应的下行数据需要发送给所述终端，确定需要在所述寻呼消息中携带所述寻呼原因。
可选地，所述目标通知消息中携带寻呼原因或未携带寻呼原因。
对于装置实施例而言，由于其基本对应于方法实施例，所以相关之处参见方法实施例的部分说明即可。以上所描述的装置实施例仅仅是示意性的，其中上述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本公开方案的目的。本领域普通技术人员在不付出创造性劳动的情况下，即可以理解并实施。
相应地，本公开还提供了一种计算机可读存储介质，所述存储介质存储有计算机程序，所述计算机程序用于执行上述用于第一网络侧设备侧任一所述的寻呼方法。
相应地，本公开还提供了一种计算机可读存储介质，所述存储介质存储有计算机程序，所述计算机程序用于执行上述用于第二网络侧设备侧任一所述的寻呼方法。
相应地，本公开还提供了一种寻呼装置，包括：
处理器；
用于存储处理器可执行指令的存储器；
其中，所述处理器被配置为用于执行上述第一网络侧设备侧任一所述的寻呼方法。
如图14所示，图14是根据一示例性实施例示出的一种寻呼装置1400的一结构示意图。装置1400可以被提供为第一网络侧设备。参照图14，装置1400包括处理组件1422、无线发射/接收组件1424、天线组件1426、 以及无线接口特有的信号处理部分，处理组件1422可进一步包括一个或多个处理器。
处理组件1422中的其中一个处理器可以被配置为用于执行上述第一网络侧设备侧任一所述的寻呼方法。
相应地，本公开还提供了一种寻呼装置，包括：
处理器；
用于存储处理器可执行指令的存储器；
其中，所述处理器被配置为用于执行上述第二网络侧设备侧任一所述的寻呼方法。
如图15所示，图15是根据一示例性实施例示出的一种寻呼装置1500的一结构示意图。装置1500可以被提供为第二网络侧设备。参照图15，装置1500包括处理组件1522、无线发射/接收组件1524、天线组件1526、以及无线接口特有的信号处理部分，处理组件1522可进一步包括一个或多个处理器。
处理组件1522中的其中一个处理器可以被配置为用于执行上述第二网络侧设备侧任一所述的寻呼方法。
本领域技术人员在考虑说明书及实践这里公开的发明后，将容易想到本公开的其它实施方案。本公开旨在涵盖本公开的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或者惯用技术手段。说明书和实施例仅被视为示例性的，本公开的真正范围和精神由下面的权利要求指出。
应当理解的是，本公开并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所附的权利要求来限制。

Claims (32)

  1. 一种寻呼方法，其特征在于，所述方法用于第一网络侧设备，包括：
    响应于确定终端有下行数据到达，确定是否需要在目标通知消息中携带寻呼原因；
    响应于确定需要在所述目标通知消息中携带所述寻呼原因，发送携带所述寻呼原因的所述目标通知消息到第二网络侧设备。
  2. 根据权利要求1所述的方法，其特征在于，所述发送携带所述寻呼原因的所述目标通知消息到第二网络侧设备之前，所述方法还包括：
    确定所述目标通知消息中携带的所述寻呼原因对应的比特值。
  3. 根据权利要求2所述的方法，其特征在于，所述确定所述目标通知消息中携带的所述寻呼原因对应的比特值，包括：
    根据下行数据数据包的差分服务代码点DSCP信息，确定所述目标通知消息中所述寻呼原因对应的比特值。
  4. 根据权利要求1所述的方法，其特征在于，所述确定是否需要在目标通知消息中携带寻呼原因，包括：
    至少基于所述终端对应的状态指示信息，确定是否需要在所述目标通知消息中携带所述寻呼原因；其中，所述状态指示信息用于指示所述终端上处于注册状态的USIM卡的数目。
  5. 根据权利要求4所述的方法，其特征在于，所述确定终端有下行数据到达之前，所述方法还包括：
    从第三网络侧设备获取所述终端对应的所述状态指示信息。
  6. 根据权利要求5所述的方法，其特征在于，所述第三网络侧设备是统一数据管理UDM-设备。
  7. 根据权利要求4所述的方法，其特征在于，所述至少基于所述终端对应的状态指示信息，确定是否需要在所述目标通知消息中携带所述寻 呼原因，包括以下任一项：
    响应于确定所述状态指示信息包括第一状态信息，确定不需要在所述目标通知消息中携带所述寻呼原因；其中，所述第一状态信息用于指示所述终端上处于注册状态的USIM卡的数目为零或一；或
    响应于确定所述状态指示信息包括第二状态信息，确定需要在所述目标通知消息中携带所述寻呼原因；其中，所述第二状态信息用于指示所述终端上处于注册状态的USIM卡的数目大于或等于二。
  8. 一种寻呼方法，其特征在于，所述方法用于第二网络侧设备，包括：
    响应于接收到第一网络侧设备发送的携带寻呼原因的目标通知消息，发送携带寻呼原因的寻呼消息给终端。
  9. 一种寻呼方法，其特征在于，所述方法用于第二网络侧设备，包括：
    响应于接收到第一网络侧设备发送的目标通知消息，确定是否需要在寻呼消息中携带寻呼原因；
    响应于确定需要在所述寻呼消息中携带寻呼原因，发送携带所述寻呼原因的寻呼消息给终端。
  10. 根据权利要求9所述的方法，其特征在于，所述确定是否需要在寻呼消息中携带寻呼原因，包括：
    至少基于所述终端对应的状态指示信息，确定是否需要在寻呼消息中携带寻呼原因。
  11. 根据权利要求10所述的方法，其特征在于，所述方法还包括：
    预先从所述终端或第三网络侧设备获取所述终端对应的所述状态指示信息。
  12. 根据权利要求11所述的方法，其特征在于，所述第三网络侧设备是统一数据管理UDM设备。
  13. 根据权利要求10所述的方法，其特征在于，所述至少基于所述 终端对应的状态指示信息，确定是否需要在寻呼消息中携带寻呼原因，包括以下任一项：
    响应于确定所述状态指示信息包括第一状态信息，确定不需要在所述寻呼消息中携带所述寻呼原因；其中，所述第一状态信息用于指示所述终端上处于注册状态的USIM卡的数目为零或一；或
    响应于确定所述状态指示信息包括第二状态信息，且所述终端处于连接态，确定不需要在所述寻呼消息中携带所述寻呼原因；其中，所述第二状态信息用于指示所述终端上处于注册状态的USIM卡的数目大于或等于二；或
    响应于确定所述状态指示信息包括所述第二状态信息，且所述终端处于空闲态，确定需要在所述寻呼消息中携带所述寻呼原因；或
    响应于确定所述状态指示信息包括所述第二状态信息，且所述终端对应的3GPP连接为已连接状态，非3GPP连接为空闲态，并有与非3GPP连接业务对应的下行数据需要发送给所述终端，确定需要在所述寻呼消息中携带所述寻呼原因。
  14. 根据权利要求9-13任一项所述的方法，其特征在于，所述目标通知消息中携带寻呼原因或未携带寻呼原因。
  15. 一种寻呼装置，其特征在于，所述装置用于第一网络侧设备，包括：
    第一确定模块，被配置为响应于确定终端有下行数据到达，确定是否需要在目标通知消息中携带寻呼原因；
    第一发送模块，被配置为响应于确定需要在所述目标通知消息中携带所述寻呼原因，发送携带所述寻呼原因的所述目标通知消息到第二网络侧设备。
  16. 根据权利要求15所述的装置，其特征在于，所述装置还包括：
    第二确定模块，被配置为确定所述目标通知消息中携带的所述寻呼原因对应的比特值。
  17. 根据权利要求16所述的装置，其特征在于，所述第二确定模块包括：
    第一确定子模块，被配置为根据下行数据数据包的差分服务代码点DSCP信息，确定所述目标通知消息中所述寻呼原因对应的比特值。
  18. 根据权利要求15所述的装置，其特征在于，所述第一确定模块包括：
    第二确定子模块，被配置为至少基于所述终端对应的状态指示信息，确定是否需要在所述目标通知消息中携带所述寻呼原因；其中，所述状态指示信息用于指示所述终端上处于注册状态的USIM卡的数目。
  19. 根据权利要求18所述的装置，其特征在于，所述装置还包括：
    第一获取模块，被配置为从第三网络侧设备获取所述终端对应的所述状态指示信息。
  20. 根据权利要求19所述的装置，其特征在于，所述第三网络侧设备是统一数据管理UDM设备。
  21. 根据权利要求18所述的装置，其特征在于，所述第二确定子模块包括以下任一项：
    第一确定单元，被配置为响应于确定所述状态指示信息包括第一状态信息，确定不需要在所述目标通知消息中携带所述寻呼原因；其中，所述第一状态信息用于指示所述终端上处于注册状态的USIM卡的数目为零或一；或
    第二确定单元，被配置为响应于确定所述状态指示信息包括第二状态信息，确定需要在所述目标通知消息中携带所述寻呼原因；其中，所述第二状态信息用于指示所述终端上处于注册状态的USIM卡的数目大于或等于二。
  22. 一种寻呼装置，其特征在于，所述装置用于第二网络侧设备，包括：
    第二发送模块，被配置为响应于接收到第一网络侧设备发送的携带寻 呼原因的目标通知消息，发送携带寻呼原因的寻呼消息给终端。
  23. 一种寻呼装置，其特征在于，所述装置用于第二网络侧设备，包括：
    第三确定模块，被配置为响应于接收到第一网络侧设备发送的目标通知消息，确定是否需要在寻呼消息中携带寻呼原因；
    第三发送模块，被配置为响应于确定需要在所述寻呼消息中携带寻呼原因，发送携带所述寻呼原因的寻呼消息给终端。
  24. 根据权利要求23所述的装置，其特征在于，所述第三确定模块包括：
    第三确定子模块，被配置为至少基于所述终端对应的状态指示信息，确定是否需要在寻呼消息中携带寻呼原因。
  25. 根据权利要求23所述的装置，其特征在于，所述装置还包括：
    第二获取模块，被配置为预先从所述终端或第三网络侧设备获取所述终端对应的所述状态指示信息。
  26. 根据权利要求25所述的装置，其特征在于，所述第三网络侧设备是统一数据管理UDM设备。
  27. 根据权利要求24所述的装置，其特征在于，所述第三确定子模块包括以下任一项：
    第三确定单元，被配置为响应于确定所述状态指示信息包括第一状态信息，确定不需要在所述寻呼消息中携带所述寻呼原因；其中，所述第一状态信息用于指示所述终端上处于注册状态的USIM卡的数目为零或一；或
    第四确定单元，被配置为响应于确定所述状态指示信息包括第二状态信息，且所述终端处于连接态，确定不需要在所述寻呼消息中携带所述寻呼原因；其中，所述第二状态信息用于指示所述终端上处于注册状态的USIM卡的数目大于或等于二；或
    第五确定单元，被配置为响应于确定所述状态指示信息包括所述第二 状态信息，且所述终端处于空闲态，确定需要在所述寻呼消息中携带所述寻呼原因；或
    第六确定单元，被配置为响应于确定所述状态指示信息包括所述第二状态信息，且所述终端对应的3GPP连接为已连接状态，非3GPP连接为空闲态，并有与非3GPP连接业务对应的下行数据需要发送给所述终端，确定需要在所述寻呼消息中携带所述寻呼原因。
  28. 根据权利要求23-27任一项所述的装置，其特征在于，所述目标通知消息中携带寻呼原因或未携带寻呼原因。
  29. 一种计算机可读存储介质，其特征在于，所述存储介质存储有计算机程序，所述计算机程序用于执行上述权利要求1-7任一项所述的寻呼方法。
  30. 一种计算机可读存储介质，其特征在于，所述存储介质存储有计算机程序，所述计算机程序用于执行上述权利要求8或9-14任一项所述的寻呼方法。
  31. 一种寻呼装置，其特征在于，包括：
    处理器；
    用于存储处理器可执行指令的存储器；
    其中，所述处理器被配置为用于执行上述权利要求1-7任一项所述的寻呼方法。
  32. 一种寻呼装置，其特征在于，包括：
    处理器；
    用于存储处理器可执行指令的存储器；
    其中，所述处理器被配置为用于执行上述权利要求8或9-14任一项所述的寻呼方法。
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