CN110519712B - Information processing method and device, network element and storage medium - Google Patents

Information processing method and device, network element and storage medium Download PDF

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Publication number
CN110519712B
CN110519712B CN201810491214.1A CN201810491214A CN110519712B CN 110519712 B CN110519712 B CN 110519712B CN 201810491214 A CN201810491214 A CN 201810491214A CN 110519712 B CN110519712 B CN 110519712B
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amf
paging
service
ran
inactive state
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CN110519712A (en
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苑红
李爱华
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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Priority to CN201810491214.1A priority Critical patent/CN110519712B/en
Priority to PCT/CN2019/083753 priority patent/WO2019223478A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0205—Traffic management, e.g. flow control or congestion control at the air interface
    • 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
    • H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
    • 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
    • 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
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states

Abstract

The embodiment of the invention discloses an information processing method and device under the Inactive state (Inactive) of a Radio Resource Control (RRC) layer of User Equipment (UE), a network element and a storage medium. The method comprises the following steps: when a Network Function (NF) calls a first service first operation of an Access Management Function (AMF), if the UE is in an inactive state of the radio resource control layer, the AMF notifies a radio Access Network RAN to page the UE.

Description

Information processing method and device, network element and storage medium
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an information processing method and apparatus in an Inactive state (Inactive) of a Radio Resource Control (RRC) layer of a User Equipment (UE), a network element, and a storage medium.
Background
In the communication process, it is found that sometimes a Network Function (NF) performs information interaction with a UE through a service called by an Access Management Function (AMF), but a message cannot reach the UE, thereby causing a problem of high failure rate of information transmission.
Disclosure of Invention
In view of this, embodiments of the present invention are intended to provide an information processing method and apparatus in an RRC inactive state of a UE, a network element, and a storage medium.
The technical scheme of the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides an information processing method in an inactive state of a radio resource control layer of user equipment UE, where the method includes:
when a network function NF calls a first service first operation of an access management function AMF, if the UE is in an inactive state of the radio resource control layer, the AMF informs a radio access network RAN to page the UE.
Optionally, the AMF notifying a radio access network RAN to page the UE includes:
the AMF informs the RAN to page the UE via an N2 interface message.
Optionally, the method further comprises:
and receiving a paging result returned by the RAN.
Optionally, if the first service is: the AMF is called for service, then the first operation is: enabling UE reachable operation.
Optionally, the method further comprises:
and after a network function NF calls a first service first operation, the AMF responds to a response message and informs the NF of the paging result of the UE.
And the AMF informs the NF of the paging result of the UE through an enabling UE reachable response message.
Optionally, after the network function NF invokes the first service first operation, the AMF responding to the response message to notify the NF of the paging result of the UE, including:
and after the NF calls the first service first operation, the AMF informs the NF that the UE is unreachable through the response message when the UE fails in paging.
Optionally, if the first service is: AMF communication service, then the first operation is: the N1N2 interface messaging operation.
Optionally, the method further comprises:
and if the UE is paged successfully, sending an N1N2 interface message transmission response to the NF.
Optionally, the method further comprises:
and if the UE fails to be paged, sending an N1N2 interface message transmission response to the NF, wherein the N1N2 interface message transmission response carries an indication that the UE fails to be paged.
Optionally, the NF is one of:
a Short Message Service Function (SMSF),
Policy Control Function (PCF),
Session Management Function (SMF),
Location Management Function (LMF).
In a second aspect, an embodiment of the present invention provides an information processing method in an inactive state of a radio resource control layer of user equipment UE, including:
a radio access network RAN receives a notice of paging UE sent by an access management function AMF;
and paging the UE in the inactive state of the radio resource control layer according to the notification.
Optionally, the receiving, by the radio access network RAN, a notification of paging the UE sent by an access management function AMF includes:
the RAN receives a notification from the AMF to page the UE via an N2 interface message.
Optionally, the method further comprises:
and sending the paging result of the UE to the AMF.
In a third aspect, an embodiment of the present invention provides an information processing apparatus in an inactive state of a radio resource control layer of user equipment UE, including:
and the notification module is used for notifying a Radio Access Network (RAN) to page the UE when a Network Function (NF) calls a first service first operation of an Access Management Function (AMF) and the UE is in an inactive state of the radio resource control layer.
In a fourth aspect, an embodiment of the present invention provides an information processing apparatus in an inactive state of a radio resource control layer of user equipment UE, including:
a receiving module, configured to receive, by a radio access network RAN, a notification of paging a UE sent by an access management function AMF;
and the paging module is used for paging the UE in the inactive state of the radio resource control layer according to the notification.
In a fifth aspect, an embodiment of the present invention provides a network element, including:
a memory for storing a plurality of data to be transmitted,
a processor, coupled to the memory, configured to implement the method according to any of the first or second aspects by executing the computer executable code stored in the memory.
In a sixth aspect, an embodiment of the present invention provides a computer storage medium, where the computer storage medium stores computer executable code; the computer executable code, when executed, is capable of implementing the method of any of the aspects of the first or second aspects.
In the information processing method and apparatus, the network element, and the storage medium in the UE RRC inactive state provided by the embodiments of the present invention, if the AMF is called by the NF for a certain operation of a certain service, the service and/or the operation are related to the UE (for example, information needs to be transmitted and received with the UE). Therefore, in the embodiment of the present invention, if the UE is in the RRC layer inactive state at this time, the AMF first notifies the RAN to page the UE, and switches the UE to the RRC layer connected state through paging, so that the AMF provides a corresponding service or operation, and can ensure that the UE receives the corresponding message, thereby ensuring that the transmission of the message is successful, and thus improving the transmission success rate of the message.
Drawings
Fig. 1 is a flowchart illustrating an information processing method in a first UE RRC layer inactive state according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating an information processing method in an inactive state of an RRC layer of a UE according to a second embodiment of the present invention;
fig. 3 is a flowchart illustrating an information processing method in an inactive state of an RRC layer of a third UE according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating an information processing method in an inactive state of an RRC layer of a fourth UE according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an information processing apparatus in an inactive state of a UE RRC layer according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an information processing apparatus in an inactive state of an RRC layer of a UE according to another embodiment of the present invention;
fig. 7 is a flowchart illustrating a fifth method for processing information in an inactive state of an RRC layer of a UE according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a network element according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further described in detail with reference to the drawings and the specific embodiments of the specification.
As shown in fig. 2, an information processing method in an inactive state of a UE RRC layer includes:
step S110: when the NF calls a first service first operation of the AMF, if the UE is in the inactive state of the radio resource control layer, the AMF informs the RAN to page the UE.
The embodiment is applied to the AMF, and if the NF sends a call request to the AMF, and when a first service first operation of the AMF is called, it is found that the UE is in an RRC layer inactive state, and if the UE is in the RRC layer inactive state, a message transmission failure between the AMF and the UE may be caused, for example, a message transmission failure rate between the AMF and the UE is caused to be high due to a failure of the AMF to send a Non Access Stratum (NAS) message to the UE. In this embodiment, the AMF first pages the UE through the RAN. The RAN may include: a base station, a relay node connected to the base station, and the like.
The UE can be switched to an RRC layer connected state (connected) from an RRC layer inactive state by paging the UE, the UE switched to the RRC layer connected state establishes connection with the RAN, and thus can receive the message sent by the AMF, the probability of failure of receiving the message by the UE can be reduced, and the information interaction success rate between the AMF and the UE is improved.
Optionally, the step S110 may include: the AMF informs the RAN to page the UE via an N2 interface message.
An N2 interface is arranged between the AMF and the RAN, and messages transmitted through the N2 interface can be called N2 interface messages. In this embodiment, the AMF instructs the RAN to page the UE via an N2 interface message.
The N2 interface message carries the identification information of the UE to be paged and the cell or tracking area where the UE may be located, so that the RAN knows to page the UE in that cell or tracking area, thereby avoiding paging the UE over the whole network or in the whole registration area of the UE, and reducing the time delay and power consumption for paging the UE. For example, according to the area where the UE is located last before switching from the RRC layer connected state to the RRC layer inactive state or the tracking area, the UE is paged in the whole registration area of the UE if the UE is not paged.
Optionally, as shown in fig. 2, the method further includes:
step S120: and receiving a paging result returned by the RAN.
In this embodiment, the RAN pages the UE based on the notification sent by the AMF to page the UE, and obtains a paging result of the UE, where the paging result may include: paging success and paging failure.
The first service first operation may be understood as: a first operation of a first service. The first service may be a function provided by the AMF; the first operation may be one or more operations performed in providing the first service.
In some implementations, the first service is: the AMF is called for service, then the first operation is: enabling UE reachable operation. The AMF called service is as follows: enabling the UE to reach the service. The NF may invoke the AMF called service by enabling a UE reachable request (Namf _ MT _ enableuerueactivity request). In still other implementations, the first service is: an AMF communication service, the first operation being: the N1N2 interface messaging operation. The AMF communication service may include: the N1N2 interface messaging service. For example, the NF may call the AMF Communication service of the AMF through an N1N2 interface message transfer request (Namf _ Communication _ N1N2MessageTransfer request). The first operation is an N1N2 interface messaging operation. The N1N2 interface messaging herein may include: and the message transmission operation is carried out through the N1 interface and the N2 interface. The N1 interface is an interface between the RAN and the UE, and the N2 interface is an interface between the AMF and the RAN. Optionally, if the first service is an AMF called service, the method further includes: and after a network function NF calls a first service first operation, the AMF responds to the response message to inform the NF of the paging result of the UE. For example, the AMF notifies the NF of the paging result of the UE through an enable UE reachable response message.
The enable UE reachable response (Namf _ MT _ enableuerueactivity response) message informs the NE of the paging result of the current UE. The paging result may be a result of successful paging of the UE or a result of failed paging of the UE. Optionally, the method further includes: if paging the UE is successful, sending an N1N2 interface message transfer response (Namf _ Communication _ N1N2MessageTransfer response) to the NF. At this time, if the UE is paged successfully, the AMF may send an N1N2 interface message transmission response to the corresponding NF, where the response may carry information, a transmission result, or a transmission status related to NAS Protocol Data Unit (PDU) transmission carried by the N1N2 interface message transmission request. The transmission result may include: transmission success or transmission failure. The transmission state may include: AMF has received, AMF has sent to UE, etc. The N1N2 interface message transmission response may also carry a message that the UE paging is successful. Optionally, the response may not be changed, and may only carry information related to NAS PDU transmission, which is highly compatible with the prior art. The NAS PDU may cause the AMF to send the NAS PDU to the UE via a NAS message.
Optionally, after the network function NF invokes the first service first operation, the AMF responding to the response message to notify the NF of the paging result of the UE, including: and after the NF calls the first service first operation, the AMF informs the NF that the UE is unreachable through the response message when the UE fails in paging.
Optionally, the method further comprises:
and if the UE fails to be paged, sending an N1N2 interface message transmission response to the NF, wherein the N1N2 interface message transmission response carries an indication that the UE fails to be paged.
In this embodiment, if the UE fails to page, the NAS PDU required to be transmitted in the AMF communication service may not be transmitted by any method, and in this embodiment, the N1N2 interface message transmission response represents an indication that the UE fails to page, so that the NF may notify the current transmission result of the NAS PDU. The UE paging failure indication may be one or more bits, may be one or more bits indicating transmission failure in the N1N2 interface message transmission response, or may be indicated by using reserved bits in the N1N2 interface message transmission response. The N1N2 interface message includes: messages transmitted over the N1 interface and/or messages transmitted over the N2 interface. The N2 interface is an interface between the AMF and the RAN, and the N1 interface is an interface between the RAN and the UE.
Optionally, the NF is one of: SMSF, PCF, SMF, LMF.
As shown in fig. 3, the present embodiment provides an information processing method in an inactive state of a radio resource control layer of a UE, including:
step S210: RAN receives a notification of paging UE sent by AMF;
step S220: and paging the UE in the inactive state of the radio resource control layer according to the notification.
The RAN may receive a notification of paging the UE sent by the AMF, where the notification may carry information such as an identifier of the UE to be paged and an area where the UE is paged. The RAN receives a paging message sent by broadcasting, and if the UE receives the paging message, the UE switches from the RRC layer inactive state to the RRC layer connected state, and after the UE switches to the RRC layer connected state, the UE may receive various messages sent by the AMF and/or the RAN, for example, NAS messages; therefore, the problem of message receiving failure caused by the fact that the UE is in an inactive state of an RRC layer is solved. Optionally, the step S110 may include:
the RAN receives a notification from the AMF to page the UE via an N2 interface message.
The notification to page the UE is received in this embodiment via an N2 interface message.
As shown in fig. 4, the method further comprises:
step S230: and sending the paging result of the UE to the AMF.
If the UE is paged to switch to the RRC layer connection state, the UE sends various information such as a connection request to the RAN during switching to the RRC layer connection state, so that the RAN can know whether the current UE is switched to the RRC layer connection state. If the UE is successfully switched to the RRC layer connection state, the UE is indicated to be successfully paged, and if the UE is still maintained in the RRC layer non-activation state, the UE is indicated to be unsuccessfully paged.
If the UE is paged, it indicates that the UE is reachable, and the AMF informs the AMF of the UE being reachable or not as a paging result, so that the AMF is equivalent to receiving the paging result. Of course, the AMF may also receive the paging result sent by the RAN directly, for example, using 1 or more bits to indicate the paging result of the current UE. The paging results may be carried by various messages.
As shown in fig. 5, an information processing apparatus in an inactive state of a UE RRC layer according to an embodiment of the present invention includes:
a notification module 110, configured to notify a radio access network RAN to page the UE when the NF invokes a first service first operation of an AMF, and if the UE is in an inactive state of the radio resource control RRC layer.
The information processing device in the UE RRC layer inactive state may be a processing device applied in an AMF, and the AMF may be a network element having an access management function in the implementation of the present invention.
In this embodiment, the notification module 110, when the first service first operation of the AMF called by the NF is found that the UE is in an RRC layer inactive state, pages the UE through the RAN.
Optionally, the notifying module 110 is specifically configured to notify, by the AMF, the RAN to page the UE through an N2 interface message.
Optionally, the information processing apparatus in the UE RRC layer inactive state further includes:
a receiving module 120, configured to receive a paging result returned by the RAN.
The notifying module 110 and the receiving module 120 may be program modules, and the program modules, when executed by the processor, can notify the RAN to page the UE and receive a paging result returned by the RAN.
Optionally, if the first service is: the AMF is called for service, then the first operation is: enabling UE reachable operation.
The device further comprises:
the receiving module 120 may be configured to respond to a response message from the AMF to notify the NF of the paging result of the UE after the network function NF invokes the first operation of the first service when the first operation is to enable the UE to perform the reachable operation.
In some embodiments, the receiving module 120 may be configured to notify, by the AMF, the NF that the UE is unreachable through the response message when the UE fails to page after the NF invokes the first service first operation.
For example, the receiving module 120 is specifically configured to notify, by the AMF, a paging result of the UE through an enable UE reachable response message.
Optionally, if the first service is: AMF communication service, then the first operation is: the N1N2 interface messaging operation. The device further comprises:
a sending module, configured to send an N1N2 interface message transmission response to the NF if the paging of the UE is successful.
Optionally, the sending module is specifically configured to send an N1N2 interface message transmission response to the NF if the paging of the UE fails, where the N1N2 interface message transmission response carries an indication that the paging of the UE fails.
Optionally, the NF is one of: SMSF, PCF, SMF, LMF.
As shown in fig. 6, the present embodiment provides an information processing apparatus in an inactive state of a UE RRC layer, including:
a receiving module 210, configured to receive, by the RAN, a notification for paging the UE sent by the AMF;
a paging module 220, configured to page the UE in the radio resource control layer inactive state according to the notification.
The information processing device in the UE RRC layer inactive state may be a device applied in the RAN. The receiving module 210 and the paging module 220 can be program modules, and the program modules can be executed by a processor and can receive the notification sent by the AMF and page the UE through the paging module 220.
Optionally, the receiving module 210 is specifically configured to receive a notification that the AMF pages the UE, where the notification is sent by an N2 interface message.
Optionally, the apparatus further comprises: a sending module, configured to send the paging result of the UE to the AMF.
Two specific examples are provided below in connection with any of the implementations described above:
example 1:
as shown in fig. 7, one method provided by the present example may include the steps of:
step 1: the terminal (i.e., corresponding to the aforementioned UE) is in RRC-Inactive state.
Step 2: the AMF notifies the procedure to obtain the RRC-Inactive state (i.e. RRC layer Inactive state) of the UE through N2, for example, the AMF obtains that the UE is in the RRC-Inactive state.
And step 3: and the NF such as the SMSF, the LMF and the like calls the Namf _ MT _ EnableUEReactivity request service operation of the AMF, and the request UE can be reached.
And 4, step 4: and when the AMF judges that the UE is in the RRC-Inactive state, the RAN is informed to page the UE through an N2 interface message.
And 5: the RAN pages the UE, the UE enters an RRC-Connected state, or the paging of the UE fails.
Step 6: the RAN responds to the AMF that the UE enters RRC-Connected (RRC layer Connected state) and informs the UE to enter the reachable state. If the paging UE fails, an error cause value is fed back to the AMF, and the error cause value indicates the paging failure on one hand and can also indicate the reason of the paging failure.
And 7: the AMF calls the Namf _ MT _ EnableUEReahability response service operation, and in response to caller NF, the UE enters reachable state. If the RAN fails to feed back paging the UE, the AMF responds to the caller NF that the UE page failed, in which case the subsequent steps 8-10 are not performed.
And 8: the NF calls the AMF service Namf _ Communication _ N1N2MessageTransfer request, carrying the NAS PDU.
And step 9: the AMF responds to the transmission result of the NAS message, for example, to Namf _ Communication _ N1N2MessageTransfer response.
Step 10: the AMF sends a NAS message to the UE through the RAN.
Example 2:
1) the consumer NF calls the service Namf _ Communication _ N1N2MessageTransfer request of the AMF to send NAS information;
2) if the AMF judges that the UE is in the RRC-Inactive state, the AMF informs the RAN of paging the UE through an N2 interface message;
3) RAN starts paging UE, and the UE enters an RRC-Connected state or fails to page the UE;
4) RAN responds to AMF, if paging is successful, UE is informed to enter a reachable state; if the paging of the UE fails, feeding back the paging failure to the AMF;
5) if the paging is successful, the AMF returns a Namf _ Communication _ N1N2MessageTransfer response; if the page fails, the AMF returns a Namf _ Communication _ N1N2MessageTransfer response, carrying a result indication.
In summary, on the AMF side:
when NF such as SMSF, LMF and the like calls AMF service Namf _ MT _ EnableUEReactivity to request UE to be reachable, aiming at a terminal in an RRC-Inactive state, AMF needs to inform RAN to page UE through an N2 interface message;
after receiving the RAN notification that the UE enters the reachable state, the AMF calls Namf _ MT _ EnableUEReahability response to notify a caller NF that the UE is reachable. If RAN fails to feed back paging UE, AMF responds to caller NF that paging of UE fails.
The NF calls a service Namf _ Communication _ N1N2MessageTransfer request of the AMF to send an NAS message; if the AMF judges that the UE is in the RRC-Inactive state, the AMF informs the RAN of paging the UE through an N2 interface message; RAN responds to AMF, if paging is successful, UE is informed to enter a reachable state; if the paging UE fails, feeding back the paging failure; if the paging is successful, the AMF returns a Namf _ Communication _ N1N2MessageTransfer response; if the page fails, the AMF returns a Namf _ Communication _ N1N2MessageTransfer response, carrying a result indication.
On the RAN side:
after receiving the AMF N2 interface message request, the RAN starts paging the UE;
after the UE enters RRC-Connected state, the RAN needs to respond to the AMF to notify the UE to enter reachable state. If paging the UE fails, the RAN needs to feed back the paging failure of the UE.
In this example, when the UE is in the RRC-Inactive state, the AMF notifies the RAN to page the UE through an N2 interface message, so that the UE enters the RRC-Connected state to ensure the success rate of sending the NAS message.
As shown in fig. 8, an embodiment of the present invention provides a network element, which may include:
a memory for storing a plurality of data to be transmitted,
and the processor is connected with the memory and is used for executing the information processing method in the inactive state of the RRC layer of the UE, which is provided by the technical scheme of one or more of the computer executable codes stored in the memory.
The memory can be various types of memories, such as random access memory, read only memory, flash memory, and the like. The memory may be used for information storage, e.g., storing computer-executable instructions, etc. The computer-executable instructions may be various program instructions, such as object program instructions and/or source program instructions, and the like.
The processor may be various types of processors, such as a central processing unit, a microprocessor, a digital signal processor, a programmable array, a digital signal processor, an application specific integrated circuit, or an image processor, among others.
The processor may be connected to the memory via a bus. The bus may be an integrated circuit bus or the like.
In some embodiments, the network element may further include: a communication interface, which may include: network interfaces, e.g., a transceiver antenna, etc. The communication interface is also connected with the processor and can be used for information transceiving.
In some embodiments, the network element further comprises a human-machine interaction interface, for example, the human-machine interaction interface may comprise various input and output devices, such as a keyboard, a touch screen, and the like.
The network element may be the aforementioned AMF or RAN.
The present embodiments provide a computer storage medium having stored thereon computer-executable instructions; the computer executable instructions can be applied to information processing methods provided by one or more technical solutions in a terminal device, a database, and a first private network, for example, one or more of the information processing methods in the UE RRC layer inactive state shown in fig. 1, fig. 2, and fig. 7.
The computer storage medium may be various recording media including a recording function, for example, various storage media such as a CD, a floppy disk, a hard disk, a magnetic tape, an optical disk, a usb disk, or a removable hard disk. Optionally, the computer storage medium may be a non-transitory storage medium, and the computer storage medium may be readable by the processor, so that after the computer executable instruction stored in the computer storage mechanism is acquired and executed by the processor, the information processing method in the inactive state of the RRC layer of the UE provided by any one of the foregoing technical solutions can be implemented.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may be separately used as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: a mobile storage device, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (15)

1. An information processing method for a User Equipment (UE) in an inactive state of a radio resource control layer is characterized by comprising the following steps:
when a network function NF calls a first service first operation of an access management function AMF, if the UE is in an inactive state of the radio resource control layer, the AMF informs a radio access network RAN to page the UE through an N2 interface message; wherein, the N2 interface message carries the identification information of the UE to be paged and the cell or tracking area where the UE may be located;
and if the UE is paged successfully, the AMF sends a non-access stratum (NAS) message to the UE through the RAN.
2. The method of claim 1, further comprising:
and receiving a paging result returned by the RAN.
3. The method according to claim 1 or 2,
if the first service is: the AMF is called for service, then the first operation is: enabling UE reachable operation.
4. The method of claim 3, further comprising:
and after a network function NF calls a first service first operation, the AMF responds to the response message to inform the NF of the paging result of the UE.
5. The method as claimed in claim 4, wherein the notifying the NF of the paging result of the UE by the AMF echo response message after the network function NF invokes the first service first operation comprises:
and after the NF calls the first service first operation, the AMF informs the NF that the UE is unreachable through the response message when the UE fails in paging.
6. The method according to claim 1 or 2,
if the first service is: AMF communication service, then the first operation is: the N1N2 interface messaging operation.
7. The method of claim 6, further comprising:
if paging the UE is successful, after a Network Function (NF) calls a first service first operation, the AMF sends an N1N2 interface message transmission response to the NF.
8. The method of claim 6, further comprising:
if the paging of the UE fails, after a Network Function (NF) calls a first service first operation, the AMF sends an N1N2 interface message transmission response to the NF, wherein the N1N2 interface message transmission response carries an indication of the paging failure of the UE.
9. The method of claim 1,
the NF is one of the following:
short message service function SMSF,
A policy control function PCF,
Session management function SMF,
A location management function LMF.
10. An information processing method for a User Equipment (UE) in an inactive state of a radio resource control layer is characterized by comprising the following steps:
the radio access network RAN receives a notice of paging UE sent by an access management function AMF through an N2 interface message; wherein, the N2 interface message carries the identification information of the UE to be paged and the cell or tracking area where the UE may be located;
paging the UE in an inactive state of a radio resource control layer according to the notification;
and if the UE is paged successfully, the RAN sends the received non-access stratum NAS message sent by the AMF to the UE.
11. The method of claim 10, further comprising:
and sending the paging result of the UE to the AMF.
12. An information processing apparatus in an inactive state of a radio resource control layer of a User Equipment (UE), comprising:
a notification module, configured to notify, when a network function NF invokes a first service first operation of an access management function AMF, if the UE is in an inactive state of the radio resource control layer, the AMF notifies, through an N2 interface message, a radio access network RAN to page the UE; wherein, the N2 interface message carries the identification information of the UE to be paged and the cell or tracking area where the UE may be located;
a sending module, configured to send, by the AMF, a non-access stratum NAS message to the UE through the RAN if the paging of the UE is successful.
13. An information processing apparatus in an inactive state of a radio resource control layer of a User Equipment (UE), comprising:
a receiving module, configured to receive, by a radio access network RAN, a notification of paging a UE sent by an access management function AMF through an N2 interface message; wherein, the N2 interface message carries the identification information of the UE to be paged and the cell or tracking area where the UE may be located;
a paging module, configured to page the UE in an inactive state at a radio resource control layer according to the notification;
and a sending module, configured to send, by the RAN, the received NAS message of the non-access stratum sent by the AMF to the UE if the paging of the UE is successful.
14. A network element comprising:
a memory for storing a plurality of data to be transmitted,
a processor coupled to the memory for implementing the steps of the method of any one of claims 1 to 9 by executing computer executable code stored in the memory;
or for implementing the steps in the method of claim 10 or 11 by executing computer executable code stored in said memory.
15. A computer storage medium having computer executable code stored thereon; the computer executable code, when executed, is capable of implementing the steps of the method of any one of claims 1 to 9;
alternatively, the computer executable code, when executed, is capable of implementing the steps in the method of claim 10 or 11.
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