WO2019024103A1 - 处理寻呼失败的方法、接入网设备和核心网设备 - Google Patents

处理寻呼失败的方法、接入网设备和核心网设备 Download PDF

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Publication number
WO2019024103A1
WO2019024103A1 PCT/CN2017/096077 CN2017096077W WO2019024103A1 WO 2019024103 A1 WO2019024103 A1 WO 2019024103A1 CN 2017096077 W CN2017096077 W CN 2017096077W WO 2019024103 A1 WO2019024103 A1 WO 2019024103A1
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WO
WIPO (PCT)
Prior art keywords
network device
access network
terminal device
paging
core network
Prior art date
Application number
PCT/CN2017/096077
Other languages
English (en)
French (fr)
Inventor
刘建华
Original Assignee
Oppo广东移动通信有限公司
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
Priority to JP2020502987A priority Critical patent/JP2020534714A/ja
Priority to EP17920439.1A priority patent/EP3624516B1/en
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to US16/626,287 priority patent/US10856258B2/en
Priority to SG11201912280WA priority patent/SG11201912280WA/en
Priority to CA3066827A priority patent/CA3066827C/en
Priority to AU2017425808A priority patent/AU2017425808A1/en
Priority to MX2020001216A priority patent/MX2020001216A/es
Priority to CN201780090823.XA priority patent/CN110651513B/zh
Priority to BR112019026135-4A priority patent/BR112019026135A2/pt
Priority to KR1020207005349A priority patent/KR102321699B1/ko
Priority to RU2019142836A priority patent/RU2742721C1/ru
Priority to PCT/CN2017/096077 priority patent/WO2019024103A1/zh
Priority to CN201911319375.3A priority patent/CN110913475B/zh
Publication of WO2019024103A1 publication Critical patent/WO2019024103A1/zh
Priority to ZA2019/08261A priority patent/ZA201908261B/en
Priority to IL271376A priority patent/IL271376A/en
Priority to PH12019502860A priority patent/PH12019502860A1/en
Priority to US17/039,789 priority patent/US11350385B2/en

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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
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel
    • 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
    • H04W76/10—Connection setup
    • H04W76/18—Management of setup rejection or failure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • H04W76/38—Connection release triggered by timers

Definitions

  • the embodiments of the present application relate to the field of communications, and in particular, to a method for processing paging failure, an access network device, and a core network device.
  • Paging is the signaling flow that is performed when the network looks for a terminal.
  • the called party in the network must respond by paging to communicate normally.
  • the paging may be initiated by the residential access network (RAN) to the terminal, and when the RAN paging fails, the network side The data may be abandoned, but it is likely that the paging failure due to the access network itself, so the reliability of data transmission is relatively low.
  • RAN residential access network
  • the embodiment of the present application provides a method for processing paging failure, an access network device, and a core network device, which can improve reliability of data transmission.
  • a method for processing a paging failure includes: in a case that downlink data of a terminal device needs to be sent, the access network device determines a paging initiated by the access network device to the terminal device. The access network device sends the first indication information to the core network device, where the first indication information is used to indicate that the access network device fails the paging initiated by the terminal device.
  • the paging may be initiated by the access network device to the terminal device. If the access network device fails to initiate the paging, the paging may be initiated by the core network device, which may increase the probability that the data is sent out, thereby improving data transmission. Reliability.
  • the access network device determines that the access network device initiates a paging failure to the terminal device, and includes: the access network device according to the timer duration or the access network device to the terminal The maximum number N of times that the device sends the paging message determines that the paging initiated by the access network device to the terminal device fails, and N is a positive integer.
  • the duration or maximum number N of the timer may be determined according to the load condition of the access network or some other characteristic of the access network.
  • the access network device determines, according to the timer duration, that the access network device fails to initiate paging to the terminal device, including: if the access network device is in the timer The response message of the paging message is not received within the long period, and the access network device determines that the paging initiated by the access network device to the terminal device fails.
  • the access network device determines, according to the maximum number of times that the access network device sends a paging message to the terminal device, that the access network device fails to initiate paging to the terminal device, including If the access network device does not receive the response message of each paging message in the N paging messages, the access network device determines that the paging initiated by the access network device to the terminal device fails.
  • the access network device may send a page to the terminal again after determining that the page does not wait for the response message after the page is sent.
  • the access network device may not need to wait for a period of time to see whether it is sent for each time.
  • a response message to the paging message can be waited for.
  • the access network device may directly inform the core network device that the paging failure may occur, and the core network may choose to directly initiate the paging to the terminal device.
  • the paging may also continue to cause the access network device to initiate paging. After the access network device initiates paging failure, the core network device initiates paging.
  • the method further includes: determining, by the access network device, the timer duration or the maximum number of times N corresponding to the terminal device, or determining, by the access network device, downlink data with the terminal device Carrying the corresponding timer duration or the maximum number of times N, or the access network device determines the timer duration or the maximum number of times N corresponding to the data stream of the downlink data of the terminal device.
  • the network device may configure one or more parameters for determining whether the paging fails in advance for each terminal device.
  • the network device may be a core network device or an access network device.
  • the method further includes: receiving, by the access network device, configuration information sent by the core network device, where the configuration information is used to indicate the timer duration or the maximum number of times N.
  • the first indication information is carried in a connection release request message, where the connection release request message is used to request to release the connection between the core network device and the access device device.
  • the access network device may separately send an indication message to the core network device to indicate that the paging fails, or may be carried in some existing message bodies.
  • the first indication information is further used to indicate that the core network device releases the connection between the core network device and the terminal device between the access network device.
  • the method further includes: the access network device sending the device to the terminal device Call the message.
  • the access network device sends a paging message to the terminal device, where: when the access network device receives the downlink data of the terminal device sent by the core network device, The access network device sends a paging message to the terminal device.
  • the method further includes: the access network device returning the connection to the core network device The downlink data of the terminal device received by the network access device.
  • the access network device sends a paging message to the terminal device, where the access network device receives the second indication information sent by the core network device, where the second indication information is used to indicate The terminal device has downlink data to be transmitted; the access network device sends a paging message to the terminal device according to the second indication information.
  • the method further includes: the access network device to the core network The device sends the third indication information, where the third indication information is further used to indicate that the terminal device is unreachable or the downlink data to be transmitted cannot be sent.
  • the access network device also multiplexes the first indication information to indicate that the terminal device is unreachable or the downlink data to be transmitted cannot be sent.
  • a second aspect provides a method for processing a paging failure, the method comprising: receiving, by a core network device, first indication information sent by an access network device, where the first indication information is used to indicate that the access network device is the terminal The device initiated paging fails; the core network device initiates paging to the terminal device according to the first indication information.
  • the method further includes: the core network device releasing, according to the first indication information, a connection between the core network device and the terminal device between the access network device.
  • the first indication information is carried in a connection release request message, where the connection release request message is used to request to release the connection between the core network device and the access device device.
  • the method further includes: the core network device releasing the connection of the terminal device between the core network device and the access network device according to the connection release request message.
  • the method before the receiving, by the core network device, the first indication information sent by the access network device, the method further includes: sending, by the core network device, downlink data of the terminal device to the access network device. In a possible implementation manner, the method further includes: receiving, by the core network device, downlink data of the terminal device that is returned by the access network device.
  • the method before the receiving, by the core network device, the first indication information sent by the access network device, the method further includes: sending, by the core network device, second indication information to the access network device, where The second indication information is used to indicate that the terminal device has downlink data to be transmitted.
  • the method further includes: receiving, by the core network device, the first The third indication information is further used to indicate that the terminal device is unreachable or the downlink data to be transmitted cannot be sent.
  • the method further includes: sending, by the core network device, configuration information for determining that the access network device fails to initiate paging to the terminal device, where the configuration information is used for The maximum number of times N, N indicating the timer duration or the access network device sends a paging message to the terminal device is a positive integer.
  • an access network device for performing the method of any of the first aspect or the first aspect of the first aspect.
  • the access network device comprises means for performing the method of any of the above-described first aspect or any of the possible implementations of the first aspect.
  • a core network device for performing the method of any of the foregoing second aspect or any of the possible implementations of the second aspect.
  • the core network device comprises means for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect.
  • an access network device comprising: a memory, a processor, an input interface, and an output interface.
  • the memory, the processor, the input interface, and the output interface are connected by a bus system.
  • the memory is for storing instructions for executing the memory stored instructions for performing the method of any of the first aspect or the first aspect of the first aspect.
  • a core network device comprising: a memory, a processor, an input interface, and an output interface.
  • the memory, the processor, the input interface, and the output interface are connected by a bus system.
  • the memory is for storing instructions for executing the memory stored instructions for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect.
  • a computer storage medium for storing the method in any of the above possible implementations of the first aspect or the first aspect, or any possible implementation of the second or second aspect
  • Computer software instructions for use in the method of the present invention which comprise a program designed to perform the above aspects.
  • a computer program product comprising instructions, when executed on a computer, causes the computer to perform the method of any of the first aspect or the optional implementation of the first aspect, or the second Aspect or method of any alternative implementation of the second aspect.
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • FIG. 2 is a schematic block diagram of a method for processing paging failure according to an embodiment of the present application.
  • FIG. 3 is another schematic block diagram of a method for processing paging failure according to an embodiment of the present application.
  • FIG. 4 is a schematic block diagram of an access network device according to an embodiment of the present application.
  • FIG. 5 shows a schematic block diagram of a core network device of an embodiment of the present application.
  • FIG. 6 shows another schematic block diagram of an access network device according to an embodiment of the present application.
  • FIG. 7 is another schematic block diagram of a core network device according to an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • Time Division duplex Time Division
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • NR New Radio
  • the technical solutions of the embodiments of the present application can be applied to various communication systems based on non-orthogonal multiple access technologies, such as a sparse code multiple access (SCMA) system, and a low-density signature (Low). Density Signature (LDS) system, etc., of course, the SCMA system and the LDS system may also be referred to as other names in the communication field; further, the technical solution of the embodiment of the present application can be applied to multi-carrier using non-orthogonal multiple access technology.
  • Transmission system for example Orthogonal Frequency Division Multiplexing (OFDM), Filter Bank Multi-Carrier (FBMC), and Generalized Frequency Division Multiplexing (OFDM) are used.
  • OFDM Orthogonal Frequency Division Multiplexing
  • FBMC Filter Bank Multi-Carrier
  • OFDM Generalized Frequency Division Multiplexing
  • GFDM filtered orthogonal frequency division multiplexing
  • Filtered-OFDM F-OFDM
  • the terminal device in the embodiment of the present application may refer to a user equipment (User Equipment, UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless device.
  • Communication device user agent or user device.
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the access network device in this embodiment may be a device for communicating with a terminal device, where the network device may be a base station (BTS) in GSM or CDMA, or a base station in a WCDMA system (NodeB). , NB), may also be an evolved base station (Evolutional NodeB, eNB or eNodeB) in the LTE system, or may be a wireless controller in a cloud radio access network (CRAN) scenario, or the network device
  • BTS base station
  • eNB evolved base station
  • CRAN cloud radio access network
  • the embodiments of the present application are not limited, and may be a relay station, an access point, an in-vehicle device, a wearable device, a network device in a future 5G network, or a network device in a future evolved PLMN network.
  • the core network device in the embodiment of the present application may be a Mobility Management Entity (MME), or may be a Serving Gateway (S-GW) or a Packet Data Network Gateway (P-GW). Etc., the embodiments of the present application are not limited thereto.
  • MME Mobility Management Entity
  • S-GW Serving Gateway
  • P-GW Packet Data Network Gateway
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • the system architecture of LTE is divided into two parts, including an MME/S-GW and an eNodeB.
  • the eNodeB and the UE are connected through the Uu interface, and provide a protocol termination point to the control plane and the user plane of the UE.
  • the eNodeBs are connected through an X2 interface, and there is always an X2 interface between two different eNodeBs that need to communicate.
  • the LTE access network and the core network are connected through the S1 interface, and the S1 interface supports the multi-multiple contact mode.
  • the main purpose of paging is to establish a signaling connection from the UE to the Evolved Packet Core (EPC) for subsequent signaling or data transmission.
  • EPC Evolved Packet Core
  • the terminal device can be paged through the RAN, or the terminal device can be paged through the core network (Core Network, CN).
  • Core Network CN
  • the RAN paging fails, the downlink data will be unreachable, which will affect the reliability of data transmission.
  • FIG. 2 is a schematic block diagram of a method 100 for handling paging failures in an embodiment of the present application. As shown in FIG. 2, the method 100 includes some or all of the following:
  • the access network device determines that the paging initiated by the access network device to the terminal device fails.
  • the access network device sends first indication information to the core network device, where the first indication information is used to indicate that the access network device fails to initiate paging for the terminal device.
  • the access network device may initiate paging to the terminal device, and the access network device determines, according to a certain rule, that the paging initiated by the access network device fails.
  • the certain rule may be, for example, a response that the access network device does not receive the paging message after sending the paging message to the terminal device for a certain period of time, and the access network device may consider that the paging initiated to the terminal device fails.
  • the access network device may send indication information to the core network device, informing the core network device that the access network device fails to page, and further, the core network device is A paging can be initiated to the terminal device based on the downlink data based on the portion.
  • the method for processing paging failure in the embodiment of the present application notifies the core network device to initiate paging after the access network device determines that the paging fails, thereby improving the reliability of data transmission.
  • the paging may be initiated by the access network device to the terminal device, and if the access network device fails to initiate the paging, the paging may be initiated by the core network device, which may increase The probability that data will be sent out, thereby improving the reliability of data transmission.
  • the access network device determines that the paging failure initiated by the access network device to the terminal device includes: the access network device according to the timer duration or the access network device The maximum number of times the terminal device sends the paging message N, determining that the paging initiated by the access network device to the terminal device fails, and N is a positive integer.
  • the following describes how to judge the paging failure of the access network device according to the timer duration or the maximum number of times N.
  • the access network device determines that the paging initiated by the access network device to the terminal device fails.
  • the timer may be set to a duration.
  • the timer is started. If the access network device receives the response message of the paging message before the timer expires, Then, the access network device can consider that the paging initiated to the terminal device is successful. If the access network device has not received the response message of the paging message when the timer expires, the access network device may consider that the paging initiated to the terminal device fails.
  • the duration of the timer is determined according to the load condition of the access network or some other characteristic of the access network. For example, if the load of the current access network device is too large, the access network device can set the timer duration to be smaller, so that the access network device can quickly determine whether the paging fails, and the paging failure can be immediately transferred to the core.
  • the network device initiates paging. For example, if the load of the current access network device is relatively small, the access network device may set the timer duration to be larger, so that the access network device may be allowed sufficient time to determine whether the paging fails.
  • the anti-access network device actually performs the paging success, but the paging is once again performed by the core network device due to the short waiting time, resulting in unnecessary waste.
  • the access network device determines, to the terminal device, the access network device.
  • the initiated page failed.
  • the access network device cannot determine the paging failure at this time, and may also initiate the terminal device again. Paging. After the access network device continuously sends the paging to the terminal device, the access network device does not receive the response, and the access network device can determine that the paging failure has occurred. In other words, you can configure a maximum number of times N. For example, the N may be 5, and the access network device may consider that the paging is sent 5 consecutive times, and the response of the terminal device to the 5th paging is not received, and the access network device may consider the access network. The paging initiated by the device to the terminal device failed.
  • the access network device may not need to wait for a period of time after each paging message to see whether it can wait for the response message of the paging message, and then send the second paging message after waiting for the response message.
  • the access network device can directly send N paging messages to the terminal device continuously, wait for a period of time after the last paging message is sent, and if the response of the paging message is waited within the period, then it can be considered If the call is successful, if the response of the paging message is not waited after waiting for a period of time, the access network device can consider that the access network device initiates the call to the terminal device. The page failed.
  • the embodiment of the present application does not limit the present invention.
  • the maximum number N can also be determined according to the load condition of the access network or some other characteristic of the access network. You can refer to the method of determining the duration of the timer.
  • this article only uses the timer duration and the maximum number of times as parameters for judging whether the paging fails.
  • the embodiment of the present application is not limited to this.
  • the embodiment of the present application may further determine that paging failure may be determined based on the performance of the access network device, and the access network device may directly inform the core network device that the paging may be possible. If the failure occurs, the core network may choose to initiate paging directly to the terminal device, or continue to cause the access network device to initiate paging. After the access network device initiates paging failure, the core network device initiates paging.
  • the method further includes: determining, by the access network device, the timer duration or the maximum number of times N corresponding to the terminal device, or determining, by the access network device, the terminal device The timer duration or the maximum number of times N corresponding to the bearer of the downlink data, or the access network device determines the timer duration or the maximum number of times N corresponding to the data stream of the downlink data of the terminal device.
  • the network device may configure one or more parameters for determining whether the paging fails in advance for each terminal device.
  • the access network device can directly search for one or more parameters corresponding thereto in the configuration table. For example, the network device can configure multiple timer durations for each terminal device in advance, and the access network device can find multiple timer durations of the terminal device to be paged, and the access network device can then use the rule according to certain rules.
  • One of the plurality of timer durations is selected as a parameter to which the access network device fails to page.
  • the network device may also configure one or more parameters for determining whether the paging fails in advance for each bearer.
  • the access network device can directly search for one or more parameters corresponding to the bearer in the configuration table. For example, the network device can configure a maximum number of times N for each bearer in advance, and the access network device can find multiple maximum times N of the bearer of the downlink data to be transmitted, and the access network device can then use the rule according to a certain rule. One of the plurality of maximum times N is selected as a parameter to which the access network device fails to page. For example, the network device can configure multiple timers for each data stream in advance, and the access network device can find multiple timers of the data stream of the downlink data to be transmitted, and the access network device can be based on certain rules. One of the plurality of timers is selected as a parameter to which the access network device fails to page.
  • the method further includes: receiving, by the access network device, configuration information sent by the core network device, where the configuration information is used to indicate the timer duration or the maximum number of times N.
  • the maximum number N and the timer duration can be determined by the core network device.
  • the core network device may be directly configured, or the foregoing one mapping table may be configured in advance by the core network. In use, the core network searches for the access network device in the mapping table.
  • the first indication information is carried in a connection release request message, where the connection release request message is used to request release of the terminal device between the core network device and the access network device. connection.
  • the access network device may separately send an indication information to the core network device to indicate that the paging fails, or may be carried in some existing message bodies, for example, may be a connection. Release the request message. Then, the core network device can obtain two pieces of information when receiving the connection release request message. First, the access network device fails to page; second, the core network device releases the connection with the terminal device established between the access network devices. In turn, the core network device can directly release the connection with the terminal device established between the access network devices according to the content indicated by the connection release request message.
  • the first indication information is further used to indicate that the core network device releases the connection between the core network device and the terminal device between the access network device.
  • the first indication information may also be directly multiplexed directly to indicate to the core network device that it releases the connection with the terminal device established between the access network devices.
  • the embodiment of the present application does not limit how the access network device specifically indicates the paging failure to the core network device.
  • the access network device may also initiate paging to the terminal device in multiple manners.
  • the core network device may send downlink data of the terminal device to the access network device.
  • the access network device may send a paging message to the terminal device, if the access network device determines If the paging fails to the terminal device, the access network device may further forward the part of the downlink data to the core network device, and the core network device performs paging to the terminal device. If the core network is successfully paged, the terminal device is redirected to the terminal device.
  • the core network device may not send the downlink data of the terminal device to the access network device, and may send an indication message to the access network device to notify the access network device that the terminal device needs to be transmitted.
  • the access network device can send a paging message to the terminal device after receiving the indication information.
  • the access network device can indicate to the core network device that the terminal device cannot be reached or the downlink data of the terminal device cannot be sent, and the core network device can not send the downlink data of the terminal device first.
  • the core network device may first page the terminal device, and if the terminal device is paged, send the downlink data to the terminal device.
  • the access network device may directly return the downlink data to the core network device, and then the core network device once accesses the access network device.
  • the access network device may be considered to have failed to page to the terminal device.
  • the access network device may also carry the indication information in the downlink data that is sent back to the core network device, and notify the core network device that the access network device fails to page to the terminal device.
  • the access network device may send indication information to the core network device, indicating that the access network device fails to page, and Another indication information may be sent to the core network device to inform the core network device that the downlink data of the terminal device is not to be sent.
  • Two indications can be carried in one message, or one bit can be multiplexed. For example, one bit can be used to indicate whether the paging fails or not, and whether the downlink data can be sent, which is not limited in this embodiment of the present application.
  • FIG. 3 is a schematic block diagram of a method 200 for handling paging failures in an embodiment of the present application. As shown in FIG. 3, the method 200 includes some or all of the following:
  • the core network device receives the first indication information that is sent by the access network device, where the first indication information is used to indicate that the access network device fails to initiate paging for the terminal device.
  • the core network device initiates paging to the terminal device according to the first indication information.
  • the method for processing paging failure in the embodiment of the present application notifies the core network device to initiate paging after the access network device determines that the paging fails, thereby improving the reliability of data transmission.
  • the method further includes: the core network device releasing, according to the first indication information, a connection of the terminal device between the core network device and the access network device.
  • the first indication information is carried in a connection release request message, where the connection release request message is used to request release of the terminal device between the core network device and the access network device.
  • the method further includes: the core network device releasing the connection of the terminal device between the core network device and the access network device according to the connection release request message.
  • the method before the receiving, by the core network device, the first indication information sent by the access network device, the method further includes: sending, by the core network device, the downlink of the terminal device to the access network device data.
  • the method further includes: receiving, by the core network device, downlink data of the terminal device that is returned by the access network device.
  • the method before the receiving, by the core network device, the first indication information sent by the access network device, the method further includes: sending, by the core network device, the second indication information to the access network device, The second indication information is used to indicate that the terminal device has downlink data to be transmitted.
  • the method further includes: receiving, by the core network device, the third indication information sent by the access network device.
  • the third indication information is further used to indicate that the terminal device is unreachable or the downlink data to be transmitted cannot be sent.
  • the interaction between the core network device and the access network device described by the core network device and related features and functions correspond to the related features and functions of the access network device. That is to say, what information is sent by the access network device to the core network device, and what information is received by the core network device accordingly. For the sake of brevity, it will not be repeated here.
  • the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be implemented in the present application.
  • the implementation of the examples constitutes any limitation.
  • the method for processing paging failure according to the embodiment of the present application is described in detail above.
  • the apparatus for processing paging failure according to the embodiment of the present application will be described below with reference to FIG. 4 to FIG. 7, and the technical features described in the method embodiment are applicable. In the following device examples.
  • FIG. 4 shows a schematic block diagram of an access network device 300 of an embodiment of the present application.
  • the access network device 300 includes:
  • the first determining unit 310 is configured to determine, when the downlink data of the terminal device needs to be sent, the paging failure initiated by the access network device to the terminal device;
  • the first sending unit 320 is configured to send the first indication information to the core network device, where the first indication information is used to indicate that the access network device fails to initiate paging for the terminal device.
  • the access network device in the embodiment of the present application notifies the core network device to initiate paging after determining the paging failure, so that the reliability of data transmission can be improved.
  • the first determining unit is specifically configured to: determine, according to a timer duration or a maximum number N of times that the access network device sends a paging message to the terminal device, determine the access network device to The paging initiated by the terminal device fails, and N is a positive integer.
  • the first determining unit is specifically configured to: if the access network is configured The response message of the paging message is not received within the duration of the timer, and it is determined that the paging initiated by the access network device to the terminal device fails.
  • the first determining unit is specifically configured to: if the access network device does not receive the response message of each paging message in the N paging messages, determine the access network device. The paging initiated to the terminal device failed.
  • the access network device further includes: a second determining unit, configured to determine the timer duration or the maximum number of times N corresponding to the terminal device, or determine the terminal device The timer duration or the maximum number of times N corresponding to the bearer of the downlink data, or the timer duration or the maximum number of times N corresponding to the data stream of the downlink data of the terminal device.
  • a second determining unit configured to determine the timer duration or the maximum number of times N corresponding to the terminal device, or determine the terminal device The timer duration or the maximum number of times N corresponding to the bearer of the downlink data, or the timer duration or the maximum number of times N corresponding to the data stream of the downlink data of the terminal device.
  • the access network device further includes: a receiving unit, configured to receive configuration information sent by the core network device, where the configuration information is used to indicate the timer duration or the maximum number of times N.
  • the first indication information is carried in a connection release request message, where the connection release request message is used to request release of the terminal device between the core network device and the access network device. connection.
  • the first indication information is further used to indicate that the core network device releases the connection between the core network device and the terminal device between the access network device.
  • the access network device further includes: a second sending unit, configured to send a paging message to the terminal device.
  • the second sending unit is specifically configured to: when the access network device receives the downlink data of the terminal device sent by the core network device, send the homing to the terminal device Call the message.
  • the access network device further includes: a third sending unit, configured to return, to the core network device, downlink data of the terminal device that is received by the access network device.
  • the second sending unit is specifically configured to: receive the second indication information that is sent by the core network device, where the second indication information is used to indicate that the terminal device has downlink data to be transmitted; The second indication information sends a paging message to the terminal device.
  • the access network device further includes: a fourth sending unit, configured to send third indication information to the core network device, where the third indication information is further used to indicate that the terminal device is unavailable
  • the downlink data to be transmitted or not to be transmitted cannot be transmitted.
  • the access network device 300 may correspond to the implementation of the method of the present application.
  • the above-mentioned and other operations and/or functions of the access network devices in the example of the access network device 300 are respectively implemented in order to implement the corresponding processes of the access network device in the method of FIG. 2, and are not described herein for brevity. .
  • FIG. 5 shows a schematic block diagram of a core network device 400 of an embodiment of the present application.
  • the core network device 400 includes:
  • the first receiving unit 410 is configured to receive first indication information that is sent by the access network device, where the first indication information is used to indicate that the access network device fails to initiate paging for the terminal device;
  • the paging unit 420 is configured to initiate paging to the terminal device according to the first indication information.
  • the core network device in the embodiment of the present application notifies the core network device to initiate paging after the access network device determines that the paging fails, thereby improving the reliability of data transmission.
  • the core network device further includes: a releasing unit, configured to release, according to the first indication information, a connection of the terminal device between the core network device and the access network device.
  • the first indication information is carried in a connection release request message, where the connection release request message is used to request release of the terminal device between the core network device and the access network device.
  • the core network device further includes: a release unit, configured to release the connection between the core network device and the access device device according to the connection release request message.
  • the core network device further includes: a first sending unit, configured to send downlink data of the terminal device to the access network device.
  • the core network device further includes: a second receiving unit, configured to receive downlink data of the terminal device that is returned by the access network device.
  • the core network device further includes: a second sending unit, configured to send second indication information to the access network device, where the second indication information is used to indicate that the terminal device is to be transmitted Downstream data.
  • a second sending unit configured to send second indication information to the access network device, where the second indication information is used to indicate that the terminal device is to be transmitted Downstream data.
  • the core network device further includes: a third receiving unit, configured to receive third indication information that is sent by the access network device, where the third indication information is further used to indicate the terminal device Unreachable or the downlink data to be transmitted cannot be sent.
  • the core network device further includes: a third sending unit, configured to send, to the access network device, a configuration for determining that the access network device fails to initiate paging to the terminal device
  • the information is used to indicate the timer duration or the maximum number of times N, N of the access network device sends a paging message to the terminal device is a positive integer.
  • the core network device 400 may correspond to the core network device in the method embodiment of the present application, and the above operations and/or functions of the respective units in the core network device 400 are respectively implemented to implement FIG. 3 .
  • the corresponding process of the terminal device in the method is not described here for brevity.
  • the embodiment of the present application further provides an access network device 500, which may be the access network device 300 in FIG. 4, which can be used to perform the method 100 in FIG.
  • the content of the corresponding access network device includes an input interface 510, an output interface 520, a processor 530, and a memory 540.
  • the input interface 510, the output interface 520, the processor 530, and the memory 540 can be connected by a bus system.
  • the memory 540 is for storing programs, instructions or code.
  • the processor 530 is configured to execute a program, an instruction or a code in the memory 540 to control the input interface 510 to receive a signal, control the output interface 520 to send a signal, and complete the operations in the foregoing method embodiments.
  • the network device in the embodiment of the present application notifies the core network device to initiate paging after the access network device determines that the paging fails, so that the reliability of data transmission can be improved.
  • the processor 530 may be a central processing unit (CPU), and the processor 530 may also be other general-purpose processors, digital signal processors, application specific integrated circuits, and ready-made Program gate arrays or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, and more.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 540 can include read only memory and random access memory and provides instructions and data to the processor 530. A portion of the memory 540 may also include a non-volatile random access memory. For example, the memory 540 can also store information of the device type.
  • each content of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 530 or an instruction in a form of software.
  • the content of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 540, and the processor 530 reads the information in the memory 540 and combines the hardware to complete the contents of the above method. To avoid repetition, it will not be described in detail here.
  • the receiving unit in the access network device 300 can be implemented by the input interface 510 in FIG. 6, and the first determining unit and the second determining unit in the access network device 300 can be configured.
  • the transmitting unit in the access network device 300 may be implemented by the first transmitting unit, the second transmitting unit, the third transmitting unit, and the fourth transmitting unit by the output interface 520 in FIG.
  • the embodiment of the present application further provides a core network device 600, which may be the core network device 400 in FIG. 5, which can be used to execute a core corresponding to the method 200 in FIG.
  • the content of the network device includes an input interface 610, an output interface 620, a processor 630, and a memory 640.
  • the input interface 610, the output interface 620, the processor 630, and the memory 640 can be connected by a bus system.
  • the memory 640 is used to store programs, instructions or code.
  • the processor 630 is configured to execute a program, an instruction or a code in the memory 640 to control the input interface 610 to receive a signal, control the output interface 620 to send a signal, and complete the operations in the foregoing method embodiments.
  • the core network device in the embodiment of the present application notifies the core network device to initiate paging after the access network device determines that the paging fails, thereby improving the reliability of data transmission.
  • the processor 630 may be a central processing unit (CPU), and the processor 630 may also be other general-purpose processors, digital signal processors, application specific integrated circuits, and ready-made Program gate arrays or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, and more.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 640 can include read only memory and random access memory and provides instructions and data to the processor 630. A portion of the memory 640 can also include a non-volatile random access memory. For example, the memory 640 can also store information of the device type.
  • each content of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 630 or an instruction in a form of software.
  • the content of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 640, and the processor 630 reads the information in the memory 640 and combines the hardware to complete the contents of the above method. To avoid repetition, it will not be described in detail here.
  • the paging unit, the first sending unit, the second sending unit, and the third sending unit in the core network device 400 may be implemented by the output interface 620 in FIG. 7, and the release unit in the core network device 400. This can be implemented by the processor 630 in FIG. In the core network device 400 The first receiving unit, the second receiving unit, and the third receiving unit may be implemented by the input interface 610 of FIG.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • This functionality if implemented as a software functional unit and sold or used as a standalone product, can be stored on a computer readable storage medium.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including The instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), and a A device that can store program code, such as a random access memory (RAM), a disk, or an optical disk.

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Abstract

本申请实施例公开了一种处理寻呼失败的方法、接入网设备和核心网设备。该方法包括：在有终端设备的下行数据需要发送的情况下，该接入网设备确定该接入网设备向该终端设备发起的寻呼失败；该接入网设备向核心网设备发送第一指示信息，该第一指示信息用于指示该接入网设备对该终端设备发起的寻呼失败。本申请实施例的方法、接入网设备和核心网设备，能够提高数据传输的可靠性。

Description

处理寻呼失败的方法、接入网设备和核心网设备 技术领域
本申请实施例涉及通信领域，并且更具体地，涉及一种处理寻呼失败的方法、接入网设备和核心网设备。
背景技术
寻呼是网络寻找终端时进行的信令流程，网络中被叫必须通过寻呼来响应，才能正常通信。在第五代(5G)系统中，当终端的下行数据到达时，寻呼可以由居民接入网(Residential Access Network，RAN)向终端发起寻呼，现有当RAN寻呼失败时，网络侧可能就放弃此次数据，但很有可能是由于接入网自身原因导致的寻呼失败，因此，数据传输的可靠性比较低。
发明内容
有鉴于此，本申请实施例提供了一种处理寻呼失败的方法、接入网设备和核心网设备，能够提高数据传输的可靠性。
第一方面，提供了一种处理寻呼失败的方法，该方法包括：在有终端设备的下行数据需要发送的情况下，接入网设备确定该接入网设备向该终端设备发起的寻呼失败；该接入网设备向核心网设备发送第一指示信息，该第一指示信息用于指示该接入网设备对该终端设备发起的寻呼失败。
可以先由接入网设备向终端设备发起寻呼，在接入网设备发起寻呼失败的情况下，可以转由核心网设备发起寻呼，能够增加数据被发送出去的概率，从而提高数据传输的可靠性。
在一种可能的实现方式中，该接入网设备确定该接入网设备向该终端设备发起的寻呼失败，包括：该接入网设备根据定时器时长或该接入网设备向该终端设备发送寻呼消息的最大次数N，确定该接入网设备向该终端设备发起的寻呼失败，N为正整数。
该定时器的时长或者最大次数N可以根据接入网的负载情况或者接入网的一些其他特性来确定。
在一种可能的实现方式中，该接入网设备根据定时器时长，确定该接入网设备向该终端设备发起的寻呼失败，包括：若该接入网设备在该定时器时 长内未接收到寻呼消息的响应消息，该接入网设备确定该接入网设备向该终端设备发起的寻呼失败。
在一种可能的实现方式中，该接入网设备根据该接入网设备向该终端设备发送寻呼消息的最大次数N，确定该接入网设备向该终端设备发起的寻呼失败，包括：若该接入网设备未接收到N次寻呼消息中每次寻呼消息的响应消息，该接入网设备确定该接入网设备向该终端设备发起的寻呼失败。
接入网设备可以在发送一次寻呼之后在确定等不到该寻呼的响应消息再次向终端发送寻呼，接入网设备也可以不需要在每发一次寻呼消息就等待一段时间看是否能够等到该寻呼消息的响应消息。
可选地，还可以是直接基于接入网设备的性能提前判断可能会寻呼失败，那么接入网设备就可以直接告诉核心网设备自己可能寻呼失败，核心网可以选择直接向终端设备发起寻呼，也可以继续让接入网设备发起寻呼，在接入网设备发起寻呼失败之后，再由核心网设备发起寻呼。
在一种可能的实现方式中，该方法还包括：该接入网设备确定与该终端设备对应的该定时器时长或该最大次数N，或该接入网设备确定与该终端设备的下行数据的承载对应的该定时器时长或该最大次数N，或该接入网设备确定与该终端设备的下行数据的数据流对应的该定时器时长或该最大次数N。
可选地，网络设备可以提前为每个终端设备配置一个或多个用于判断是否寻呼失败的参数。该网络设备可以是核心网设备，也可以是接入网设备。
在一种可能的实现方式中，该方法还包括：该接入网设备接收该核心网设备发送的配置信息，该配置信息用于指示该定时器时长或该最大次数N。
在一种可能的实现方式中，该第一指示信息承载于连接释放请求消息中，该连接释放请求消息用于请求释放该核心网设备与该接入网设备之间的该终端设备的连接。
接入网设备在确定向终端设备寻呼失败后，可以单独向核心网设备发送一个指示信息来指示其寻呼失败，也可以承载在现有的一些消息体中。
在一种可能的实现方式中，该第一指示信息还用于指示该核心网设备释放该核心网设备与该接入网设备之间的该终端设备的连接。
在一种可能的实现方式中，在该接入网设备确定该接入网设备向终端设备发起的寻呼失败之前，该方法还包括：该接入网设备向该终端设备发送寻 呼消息。
在一种可能的实现方式中，该接入网设备向该终端设备发送寻呼消息，包括：在该接入网设备接收到该核心网设备发送的该终端设备的下行数据的情况下，该接入网设备向该终端设备发送寻呼消息。
在一种可能的实现方式中，在该接入网设备确定该接入网设备向终端设备发起的寻呼失败之后，该方法还包括：该接入网设备向该核心网设备回传该接入网设备接收到的该终端设备的下行数据。
在一种可能的实现方式中，该接入网设备向该终端设备发送寻呼消息，包括：该接入网设备接收该核心网设备发送的第二指示信息，该第二指示信息用于指示该终端设备有待传输的下行数据；该接入网设备根据该第二指示信息，向该终端设备发送寻呼消息。
在一种可能的实现方式中，在所述接入网设备确定所述接入网设备向终端设备发起的寻呼失败之后，所述方法还包括：所述接入网设备向所述核心网设备发送第三指示信息，所述第三指示信息还用于指示所述终端设备不可达或所述待传输的下行数据不能发送。
接入网设备也复用第一指示信息指示该终端设备不可达或者该待传输的下行数据不能发送。
第二方面，提供了一种处理寻呼失败的方法，该方法包括：核心网设备接收接入网设备发送的第一指示信息，该第一指示信息用于指示该接入网设备对该终端设备发起的寻呼失败；该核心网设备根据该第一指示信息，向该终端设备发起寻呼。
在一种可能的实现方式中，该方法还包括：该核心网设备根据该第一指示信息，释放该核心网设备与该接入网设备之间的该终端设备的连接。
在一种可能的实现方式中，该第一指示信息承载于连接释放请求消息中，该连接释放请求消息用于请求释放该核心网设备与该接入网设备之间的该终端设备的连接，该方法还包括：该核心网设备根据该连接释放请求消息，释放该核心网设备与该接入网设备之间的该终端设备的连接。
在一种可能的实现方式中，在该核心网设备接收接入网设备发送的第一指示信息之前，该方法还包括：该核心网设备向该接入网设备发送该终端设备的下行数据。在一种可能的实现方式中，该方法还包括：该核心网设备接收该接入网设备回传的该终端设备的下行数据。
在一种可能的实现方式中，在该核心网设备接收接入网设备发送的第一指示信息之前，该方法还包括：该核心网设备向该接入网设备发送第二指示信息，该第二指示信息用于指示该终端设备有待传输的下行数据。
在一种可能的实现方式中，在所述核心网设备向所述接入网设备发送第二指示信息之后，所述方法还包括：所述核心网设备接收所述接入网设备发送的第三指示信息，所述第三指示信息还用于指示所述终端设备不可达或所述待传输的下行数据不能发送。
在一种可能的实现方式中，该方法还包括：该核心网设备向该接入网设备发送用于确定该接入网设备向该终端设备发起寻呼失败的配置信息，该配置信息用于指示定时器时长或该接入网设备向该终端设备发送寻呼消息的最大次数N，N为正整数。
第三方面，提供了一种接入网设备，用于执行上述第一方面或第一方面的任意可能的实现方式中的方法。具体地，该接入网设备包括用于执行上述第一方面或第一方面的任意可能的实现方式中的方法的单元。
第四方面，提供了一种核心网设备，用于执行上述第二方面或第二方面的任意可能的实现方式中的方法。具体地，该核心网设备包括用于执行上述第二方面或第二方面的任意可能的实现方式中的方法的单元。
第五方面，提供了一种接入网设备，该接入网设备包括：存储器、处理器、输入接口和输出接口。其中，存储器、处理器、输入接口和输出接口通过总线系统相连。该存储器用于存储指令，该处理器用于执行该存储器存储的指令，用于执行上述第一方面或第一方面的任意可能的实现方式中的方法。
第六方面，提供了一种核心网设备，该核心网设备包括：存储器、处理器、输入接口和输出接口。其中，存储器、处理器、输入接口和输出接口通过总线系统相连。该存储器用于存储指令，该处理器用于执行该存储器存储的指令，用于执行上述第二方面或第二方面的任意可能的实现方式中的方法。
第七方面，提供了一种计算机存储介质，用于储存为执行上述第一方面或第一方面的任意可能的实现方式中的方法，或者上述第二方面或第二方面的任意可能的实现方式中的方法所用的计算机软件指令，其包含用于执行上述方面所设计的程序。
第八方面，提供了一种包括指令的计算机程序产品，当其在计算机上运行时，使得计算机执行上述第一方面或第一方面的任一可选的实现方式中的方法，或者上述第二方面或第二方面的任一可选的实现方式中的方法。
本申请的这些方面或其他方面在以下实施例的描述中会更加简明易懂。
附图说明
图1示出了本申请实施例的一种应用场景的示意图。
图2示出了本申请实施例的处理寻呼失败的方法的示意性框图。
图3示出了本申请实施例的处理寻呼失败的方法的另一示意性框图。
图4示出了本申请实施例的接入网设备的示意性框图。
图5示出了本申请实施例的核心网设备的示意性框图。
图6示出了本申请实施例的接入网设备的另一示意性框图。
图7示出了本申请实施例的核心网设备的另一示意性框图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。
应理解，本申请实施例的技术方案可以应用于各种通信系统，例如：全球移动通讯(Global System ofMobile communication，GSM)系统、码分多址(Code Division Multiple Access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统、通用分组无线业务(General Packet Radio Service，GPRS)、LTE系统、LTE频分双工(Frequency Division Duplex，FDD)系统、LTE时分双工(Time Division Duplex，TDD)、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access，WiMAX)通信系统、新无线(New Radio，NR)或未来的5G系统等。
特别地，本申请实施例的技术方案可以应用于各种基于非正交多址接入技术的通信系统，例如稀疏码多址接入(Sparse Code Multiple Access，SCMA)系统、低密度签名(Low Density Signature，LDS)系统等，当然SCMA系统和LDS系统在通信领域也可以被称为其他名称；进一步地，本申请实施例的技术方案可以应用于采用非正交多址接入技术的多载波传输系统，例如 采用非正交多址接入技术正交频分复用(Orthogonal Frequency Division Multiplexing，OFDM)、滤波器组多载波(Filter Bank Multi-Carrier，FBMC)、通用频分复用(Generalized Frequency Division Multiplexing，GFDM)、滤波正交频分复用(Filtered-OFDM，F-OFDM)系统等。
本申请实施例中的终端设备可以指用户设备(User Equipment，UE)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，SIP)电话、无线本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digital Assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备，未来5G网络中的终端设备或者未来演进的公用陆地移动通信网络(Public Land Mobile Network，PLMN)中的终端设备等，本申请实施例并不限定。
本申请实施例中的接入网设备可以是用于与终端设备通信的设备，该网络设备可以是GSM或CDMA中的基站(Base Transceiver Station，BTS)，也可以是WCDMA系统中的基站(NodeB，NB)，还可以是LTE系统中的演进型基站(Evolutional NodeB，eNB或eNodeB)，还可以是云无线接入网络(Cloud Radio Access Network，CRAN)场景下的无线控制器，或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备以及未来5G网络中的网络设备或者未来演进的PLMN网络中的网络设备等，本申请实施例并不限定。
本申请实施例中的核心网设备可以是移动性管理实体(Mobility Management Entity，MME)，还可以是服务网关(Serving Gateway，S-GW)或分组数据网关(Packet Data Network Gateway，P-GW)等，本申请实施例不限于此。
图1是本申请实施例一个应用场景的示意图。如图1所示，LTE的系统架构分成两部分，包括MME/S-GW和eNodeB。eNodeB与UE之间通过Uu接口进行连接，提供到UE的控制面与用户面的协议终止点。eNodeB之间通过X2接口进行连接，并且在需要通信的两个不同eNodeB之间总是会存在X2接口。LTE接入网与核心网之间通过S1接口进行连接，S1接口支持多—多联系方式。
通常情况下，寻呼的主要目的是为了建立起UE到分组核心网(Evolved Packet Core，EPC)的信令连接，以便进行后续的信令或数据传输。在5G系统中，当终端设备的下行数据到达时，可以通过RAN向终端设备寻呼，也可以通过核心网(Core Network，CN)向终端设备寻呼。但通常情况下，若RAN寻呼失败，将导致该下行数据不可达，从而将影响了数据传输的可靠性。
图2示出了本申请实施例的处理寻呼失败的方法100的示意性框图。如图2所示，该方法100包括以下部分或全部内容：
S110，在有终端设备的下行数据需要发送的情况下，该接入网设备确定该接入网设备向该终端设备发起的寻呼失败。
S120，该接入网设备向核心网设备发送第一指示信息，该第一指示信息用于指示该接入网设备对该终端设备发起的寻呼失败。
具体地，当核心网设备需要给终端设备发送下行数据时，可以通过接入网设备向终端设备发起寻呼，在接入网设备基于一定规则判断出来该接入网设备发起的寻呼失败，该一定的规则例如可以是接入网设备在向终端设备发送寻呼消息一定时间之后也没有接收到该寻呼消息的响应，接入网设备可以认为向终端设备发起的寻呼失败。若接入网设备确定该其向终端设备发起寻呼失败之后，接入网设备可以向核心网设备发送指示信息，告知核心网设备该接入网设备寻呼失败，进一步的，核心网设备就可以向基于这部分下行数据再向终端设备发起寻呼。
因此，本申请实施例的处理寻呼失败的方法，在接入网设备确定寻呼失败后通知由核心网设备发起寻呼，从而可以提高将数据传输的可靠性。
也就是说，在本申请实施例中，可以先由接入网设备向终端设备发起寻呼，在接入网设备发起寻呼失败的情况下，可以转由核心网设备发起寻呼，能够增加数据被发送出去的概率，从而提高数据传输的可靠性。
可选地，在本申请实施例中，该接入网设备确定该接入网设备向该终端设备发起的寻呼失败，包括：该接入网设备根据定时器时长或该接入网设备向该终端设备发送寻呼消息的最大次数N，确定该接入网设备向该终端设备发起的寻呼失败，N为正整数。
下面分别就如何根据上述定时器时长或最大次数N来判断接入网设备寻呼失败进行描述。
可选地，在本申请实施例中，若该接入网设备在该定时器时长内未接收 到寻呼消息的响应消息，该接入网设备确定该接入网设备向该终端设备发起的寻呼失败。
例如，可以给定时器设置一个时长，当接入网设备向终端设备发送寻呼消息时就启动该定时器，若在定时器超时之前，接入网设备接收到了该寻呼消息的响应消息，那么该接入网设备可以认为向该终端设备发起的寻呼成功。若在定时器超时时，接入网设备还没有接收到该寻呼消息的响应消息，那么接入网设备可以认为向该终端设备发起的寻呼失败。
应理解，该定时器的时长根据接入网的负载情况或者接入网的一些其他特性来确定。例如，若当前接入网设备的负载过大，那么接入网设备可以将该定时器时长设小一些，这样接入网设备可以快速的判断是否寻呼失败，寻呼失败可以立即转由核心网设备发起寻呼。再例如，若当前接入网设备的负载比较小，那么接入网设备可以将该定时器时长设大一些，这样就可以给接入网设备留取足够的时间去判断是否寻呼失败，以防接入网设备其实寻呼成功但由于等待时间较短导致再由核心网设备进行寻呼一次，造成不必要的浪费。
可选地，在本申请实施例中，若该接入网设备未接收到N次寻呼消息中每次寻呼消息的响应消息，该接入网设备确定该接入网设备向该终端设备发起的寻呼失败。
例如，如果接入网设备在向终端设备发起一次寻呼之后，接入网设备在一定时间内没接收到响应，接入网设备此时还不能确定寻呼失败，还可以再次向终端设备发起寻呼。在接入网设备向终端设备连续发了好几次寻呼之后，接入网设备都没有接收到响应，那么接入网设备就可以判断确定是寻呼失败了。也就是说可以配置一个最大次数N。例如，该N可以是5，接入网设备可以认为在连着发了5次寻呼，也没有接收到终端设备对改5次寻呼的响应，那么接入网设备可以认为该接入网设备向终端设备发起的寻呼失败。
应理解，接入网设备也可以不需要在每发一次寻呼消息就等待一段时间看是否能够等到该寻呼消息的响应消息，在等不到该响应消息之后再发送第二次寻呼消息，接入网设备可以直接连续向终端设备发送N次寻呼消息，在发送完最后一次寻呼消息之后，等待一段时间，若在该段时间内等到寻呼消息的响应了，那么可以认为寻呼成功，若在等待了一段时间之后仍然没有等到寻呼消息的响应，则接入网设备可以认为该接入网设备向终端设备发起的 寻呼失败。接入网设备如何发送该多次寻呼消息，本申请实施例不作任何限定。
还用理解，该最大次数N也可以根据接入网的负载情况或者接入网的一些其他特性来确定。可以参考定时器时长的确定方式。
还应理解，本文只是以定时器时长以及最大次数来作为判断是否寻呼失败的参数。本申请实施例应不限于此，例如，本申请实施例还可以是直接基于接入网设备的性能提前判断可能会寻呼失败，那么接入网设备就可以直接告诉核心网设备自己可能寻呼失败，核心网可以选择直接向终端设备发起寻呼，也可以继续让接入网设备发起寻呼，在接入网设备发起寻呼失败之后，再由核心网设备发起寻呼。
可选地，在本申请实施例中，该方法还包括：该接入网设备确定与该终端设备对应的该定时器时长或该最大次数N，或该接入网设备确定与该终端设备的下行数据的承载对应的该定时器时长或该最大次数N，或该接入网设备确定与该终端设备的下行数据的数据流对应的该定时器时长或该最大次数N。
具体地，网络设备可以提前为每个终端设备配置一个或多个用于判断是否寻呼失败的参数。接入网设备在获取到是向哪个终端设备发起寻呼时，接入网设备就可以直接在配置表里查找与其对应的一个或多个参数。例如，网络设备可以提前为每个终端设备配置多个定时器时长，接入网设备可以查找到要寻呼的终端设备的多个定时器时长，进而接入网设备可以基于一定的规则从该多个定时器时长中选择一个作为接入网设备向其是否寻呼失败的参数。网络设备也可以提前为每个承载配置一个或多个用于判断是否寻呼失败的参数。接入网设备在获取到向终端设备发送的下行数据采用哪个承载时，接入网设备就可以直接在配置表里查找与该承载对应的一个或多个参数。例如，网络设备可以提前为每个承载配置多个最大次数N，接入网设备可以查找到待传输的下行数据的承载的多个最大次数N，进而接入网设备可以基于一定的规则从该多个最大次数N中选择一个作为接入网设备向其是否寻呼失败的参数。再例如，网络设备可以提前为每个数据流配置多个定时器，接入网设备可以查找到待传输的下行数据的数据流的多个定时器，进而接入网设备可以基于一定的规则从该多个定时器中选择一个作为接入网设备向其是否寻呼失败的参数。
可选地，在本申请实施例中，该方法还包括：该接入网设备接收该核心网设备发送的配置信息，该配置信息用于指示该定时器时长或该最大次数N。
也就是说，该最大次数N和该定时器时长可以由核心网设备确定。具体的，可以由核心网设备直接配置，也可以由核心网提前配置上述一个映射表，在使用时由核心网在该映射表里查找在发给接入网设备。
可选地，在本申请实施例中，该第一指示信息承载于连接释放请求消息中，该连接释放请求消息用于请求释放该核心网设备与该接入网设备之间的该终端设备的连接。
具体地，接入网设备在确定向终端设备寻呼失败后，可以单独向核心网设备发送一个指示信息来指示其寻呼失败，也可以承载在现有的一些消息体中，例如可以是连接释放请求消息。那么核心网设备在接收到该连接释放请求消息可以获得两个信息，第一，接入网设备寻呼失败；第二，核心网设备释放与接入网设备之间建立的终端设备的连接。进而核心网设备就可以直接根据该连接释放请求消息指示的内容来释放与接入网设备之间建立的终端设备的连接。
可选地，在本申请实施例中，该第一指示信息还用于指示该核心网设备释放该核心网设备与该接入网设备之间的该终端设备的连接。也可以直接直接复用该第一指示信息来向核心网设备指示让其释放与接入网设备之间建立的终端设备的连接。
应理解，本申请实施例对接入网设备具体如何向核心网设备指示其寻呼失败并不作限定。
可选地，在本申请实施例中，接入网设备向终端设备发起寻呼也可以有多种方式。例如，核心网设备可以向接入网设备发送终端设备的下行数据，在接入网设备接收到该下行数据后，接入网设备即可向终端设备发送寻呼消息，如果接入网设备确定向该终端设备寻呼失败，那么接入网设备还可以将这部分下行数据在回传给核心网设备，由核心网设备向终端设备进行寻呼，若核心网寻呼成功，再向终端设备发送这部分下行数据；再例如，核心网设备也可以先不向接入网设备发送该终端设备的下行数据，向接入网设备可以发送一个指示信息，告知接入网设备终端设备有待传输的下行数据，那么接入网设备在接收到该指示信息后，就可以向该终端设备发送寻呼消息，在接 入网设备确定寻呼失败之后，接入网设备就可以向核心网设备指示该终端设备无法到达或者该终端设备的下行数据不能发送，那么核心网设备就可以先不发送该终端设备的下行数据，核心网设备可以先向终端设备寻呼，若寻呼到该终端设备之后，再向终端设备发送该下行数据。
应理解，在接入网设备根据接收到的下行数据进行寻呼并且寻呼失败了，接入网设备也可以直接向核心网设备回传该下行数据，那么核心网设备一旦从接入网设备接收到该下行数据，就可以认为该接入网设备向终端设备寻呼失败。接入网设备也可以在向核心网设备回传的下行数据中携带指示信息，告知核心网设备该接入网设备向终端设备寻呼失败了。
还应理解，若接入网设备是根据接收到的指示信息进行寻呼并且寻呼失败了，接入网设备可以向核心网设备发送指示信息，指示该接入网设备寻呼失败了，也可以向核心网设备发送另外一个指示信息，告知核心网设备该终端设备的下行数据不要发送了。两个指示信息可以承载在一个消息中，也可以复用一个比特位。例如，可以在用一个比特位既表示是否寻呼失败，也可以表示该下行数据是否能发送，本申请实施例对此不作限定。
图3示出了本申请实施例的一种处理寻呼失败的方法200的示意性框图。如图3所示，该方法200包括以下部分或全部内容：
S210，核心网设备接收接入网设备发送的第一指示信息，该第一指示信息用于指示该接入网设备对该终端设备发起的寻呼失败。
S220，该核心网设备根据该第一指示信息，向该终端设备发起寻呼。
因此，本申请实施例的处理寻呼失败的方法，在接入网设备确定寻呼失败后通知由核心网设备发起寻呼，从而可以提高将数据传输的可靠性。
可选地，在本申请实施例中，该方法还包括：该核心网设备根据该第一指示信息，释放该核心网设备与该接入网设备之间的该终端设备的连接。
可选地，在本申请实施例中，该第一指示信息承载于连接释放请求消息中，该连接释放请求消息用于请求释放该核心网设备与该接入网设备之间的该终端设备的连接，该方法还包括：该核心网设备根据该连接释放请求消息，释放该核心网设备与该接入网设备之间的该终端设备的连接。
可选地，在本申请实施例中，在该核心网设备接收接入网设备发送的第一指示信息之前，该方法还包括：该核心网设备向该接入网设备发送该终端设备的下行数据。
可选地，在本申请实施例中，该方法还包括：该核心网设备接收该接入网设备回传的该终端设备的下行数据。
可选地，在本申请实施例中，在该核心网设备接收接入网设备发送的第一指示信息之前，该方法还包括：该核心网设备向该接入网设备发送第二指示信息，该第二指示信息用于指示该终端设备有待传输的下行数据。
可选地，在本申请实施例中，在该核心网设备向该接入网设备发送第二指示信息之后，该方法还包括：该核心网设备接收该接入网设备发送的第三指示信息，该第三指示信息还用于指示该终端设备不可达或该待传输的下行数据不能发送。该该该
应理解，核心网设备描述的核心网设备与接入网设备的交互及相关特性、功能等与接入网设备的相关特性、功能相应。也就是说，接入网设备向核心网设备发送什么信息，核心网设备相应地就会接收什么信息。为了简洁，在此不再赘述。
还应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
上文中详细描述了根据本申请实施例的处理寻呼失败的方法，下面将结合图4至图7，描述根据本申请实施例的处理寻呼失败的装置，方法实施例所描述的技术特征适用于以下装置实施例。
图4示出了本申请实施例的接入网设备300的示意性框图。如图4所示，该接入网设备300包括：
第一确定单元310，用于在该有终端设备的下行数据需要发送的情况下，确定该接入网设备向该终端设备发起的寻呼失败；
第一发送单元320，用于向核心网设备发送第一指示信息，该第一指示信息用于指示该接入网设备对该终端设备发起的寻呼失败。
因此，本申请实施例的接入网设备，在确定寻呼失败后通知由核心网设备发起寻呼，从而可以提高将数据传输的可靠性。
可选地，在本申请实施例中，该第一确定单元具体用于：根据定时器时长或该接入网设备向该终端设备发送寻呼消息的最大次数N，确定该接入网设备向该终端设备发起的寻呼失败，N为正整数。
可选地，在本申请实施例中，该第一确定单元具体用于：若该接入网设 备在该定时器时长内未接收到寻呼消息的响应消息，确定该接入网设备向该终端设备发起的寻呼失败。
可选地，在本申请实施例中，该第一确定单元具体用于：若该接入网设备未接收到N次寻呼消息中每次寻呼消息的响应消息，确定该接入网设备向该终端设备发起的寻呼失败。
可选地，在本申请实施例中，该接入网设备还包括：第二确定单元：用于确定与该终端设备对应的该定时器时长或该最大次数N，或确定与该终端设备的下行数据的承载对应的该定时器时长或该最大次数N，或确定与该终端设备的下行数据的数据流对应的该定时器时长或该最大次数N。
可选地，在本申请实施例中，该接入网设备还包括：接收单元，用于接收该核心网设备发送的配置信息，该配置信息用于指示该定时器时长或该最大次数N。
可选地，在本申请实施例中，该第一指示信息承载于连接释放请求消息中，该连接释放请求消息用于请求释放该核心网设备与该接入网设备之间的该终端设备的连接。
可选地，在本申请实施例中，该第一指示信息还用于指示该核心网设备释放该核心网设备与该接入网设备之间的该终端设备的连接。
可选地，在本申请实施例中，该接入网设备还包括：第二发送单元，用于向该终端设备发送寻呼消息。
可选地，在本申请实施例中，该第二发送单元具体用于：在该接入网设备接收到该核心网设备发送的该终端设备的下行数据的情况下，向该终端设备发送寻呼消息。
可选地，在本申请实施例中，该接入网设备还包括：第三发送单元，用于向该核心网设备回传该接入网设备接收到的该终端设备的下行数据。
可选地，在本申请实施例中，该第二发送单元具体用于：接收该核心网设备发送的第二指示信息，该第二指示信息用于指示该终端设备有待传输的下行数据；根据该第二指示信息，向该终端设备发送寻呼消息。
可选地，在本申请实施例中，该接入网设备还包括：第四发送单元，用于向该核心网设备发送第三指示信息，该第三指示信息还用于指示该终端设备不可达或该待传输的下行数据不能发送。该该该
应理解，根据本申请实施例的接入网设备300可对应于本申请方法实施 例中的接入网设备，并且接入网设备300中的各个单元的上述和其它操作和/或功能分别为了实现图2方法中接入网设备的相应流程，为了简洁，在此不再赘述。
图5示出了本申请实施例的核心网设备400的示意性框图。如图5所示，该核心网设备400包括：
第一接收单元410，用于接收接入网设备发送的第一指示信息，该第一指示信息用于指示该接入网设备对该终端设备发起的寻呼失败；
寻呼单元420，用于根据该第一指示信息，向该终端设备发起寻呼。
因此，本申请实施例的核心网设备，在接入网设备确定寻呼失败后通知由核心网设备发起寻呼，从而可以提高将数据传输的可靠性。
可选地，在本申请实施例中，该核心网设备还包括：释放单元，用于根据该第一指示信息，释放该核心网设备与该接入网设备之间的该终端设备的连接。
可选地，在本申请实施例中，该第一指示信息承载于连接释放请求消息中，该连接释放请求消息用于请求释放该核心网设备与该接入网设备之间的该终端设备的连接，该核心网设备还包括：释放单元，用于根据该连接释放请求消息，释放该核心网设备与该接入网设备之间的该终端设备的连接。
可选地，在本申请实施例中，该核心网设备还包括：第一发送单元，用于向该接入网设备发送该终端设备的下行数据。
可选地，在本申请实施例中，该核心网设备还包括：第二接收单元，用于接收该接入网设备回传的该终端设备的下行数据。
可选地，在本申请实施例中，该核心网设备还包括：第二发送单元，用于向该接入网设备发送第二指示信息，该第二指示信息用于指示该终端设备有待传输的下行数据。
可选地，在本申请实施例中，该核心网设备还包括：第三接收单元，用于接收该接入网设备发送的第三指示信息，该第三指示信息还用于指示该终端设备不可达或该待传输的下行数据不能发送。该该该
可选地，在本申请实施例中，该核心网设备还包括：第三发送单元，用于向该接入网设备发送用于确定该接入网设备向该终端设备发起寻呼失败的配置信息，该配置信息用于指示定时器时长或该接入网设备向该终端设备发送寻呼消息的最大次数N，N为正整数。
应理解，根据本申请实施例的核心网设备400可对应于本申请方法实施例中的核心网设备，并且核心网设备400中的各个单元的上述和其它操作和/或功能分别为了实现图3方法中终端设备的相应流程，为了简洁，在此不再赘述。
如图6所示，本申请实施例还提供了一种接入网设备500，该接入网设备500可以是图4中的接入网设备300，其能够用于执行与图2中方法100对应的接入网设备的内容。该接入网设备500包括：输入接口510、输出接口520、处理器530以及存储器540，该输入接口510、输出接口520、处理器530和存储器540可以通过总线系统相连。该存储器540用于存储包括程序、指令或代码。该处理器530，用于执行该存储器540中的程序、指令或代码，以控制输入接口510接收信号、控制输出接口520发送信号以及完成前述方法实施例中的操作。
因此，本申请实施例的网络设备，在接入网设备确定寻呼失败后通知由核心网设备发起寻呼，从而可以提高将数据传输的可靠性。
应理解，在本申请实施例中，该处理器530可以是中央处理单元(Central Processing Unit，CPU)，该处理器530还可以是其他通用处理器、数字信号处理器、专用集成电路、现成可编程门阵列或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
该存储器540可以包括只读存储器和随机存取存储器，并向处理器530提供指令和数据。存储器540的一部分还可以包括非易失性随机存取存储器。例如，存储器540还可以存储设备类型的信息。
在实现过程中，上述方法的各内容可以通过处理器530中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的方法的内容可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器540，处理器530读取存储器540中的信息，结合其硬件完成上述方法的内容。为避免重复，这里不再详细描述。
一个具体的实施方式中，接入网设备300中的接收单元可以由图6中的输入接口510实现，接入网设备300中的第一确定单元、第二确定单元可以 由图6中的处理器530实现。接入网设备300中的发送单元可以由第一发送单元、第二发送单元第三发送单元和第四发送单元可以由图6中的输出接口520实现。
如图7所示，本申请实施例还提供了一种核心网设备600，该核心网设备600可以是图5中的核心网设备400，其能够用于执行与图3中方法200对应的核心网设备的内容。该核心网设备600包括：输入接口610、输出接口620、处理器630以及存储器640，该输入接口610、输出接口620、处理器630和存储器640可以通过总线系统相连。该存储器640用于存储包括程序、指令或代码。该处理器630，用于执行该存储器640中的程序、指令或代码，以控制输入接口610接收信号、控制输出接口620发送信号以及完成前述方法实施例中的操作。
因此，本申请实施例的核心网设备，在接入网设备确定寻呼失败后通知由核心网设备发起寻呼，从而可以提高将数据传输的可靠性。
应理解，在本申请实施例中，该处理器630可以是中央处理单元(Central Processing Unit，CPU)，该处理器630还可以是其他通用处理器、数字信号处理器、专用集成电路、现成可编程门阵列或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
该存储器640可以包括只读存储器和随机存取存储器，并向处理器630提供指令和数据。存储器640的一部分还可以包括非易失性随机存取存储器。例如，存储器640还可以存储设备类型的信息。
在实现过程中，上述方法的各内容可以通过处理器630中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的方法的内容可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器640，处理器630读取存储器640中的信息，结合其硬件完成上述方法的内容。为避免重复，这里不再详细描述。
一个具体的实施方式中，核心网设备400中的寻呼单元、第一发送单元、第二发送单元和第三发送单元可以由图7中的输出接口620实现，核心网设备400中的释放单元可以由图7中的处理器630实现。核心网设备400中的 第一接收单元、第二接收单元和第三接收单元可以由图7中的输入接口610实现。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，该单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
该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单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
该功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随 机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应该以权利要求的保护范围为准。

Claims (42)

  1. 一种处理寻呼失败的方法，其特征在于，包括：
    在有终端设备的下行数据需要发送的情况下，接入网设备确定所述接入网设备向所述终端设备发起的寻呼失败；
    所述接入网设备向核心网设备发送第一指示信息，所述第一指示信息用于指示所述接入网设备对所述终端设备发起的寻呼失败。
  2. 根据权利要求1所述的方法，其特征在于，所述接入网设备确定所述接入网设备向所述终端设备发起的寻呼失败，包括：
    所述接入网设备根据定时器时长或所述接入网设备向所述终端设备发送寻呼消息的最大次数N，确定所述接入网设备向所述终端设备发起的寻呼失败，N为正整数。
  3. 根据权利要求2所述的方法，其特征在于，所述接入网设备根据定时器时长，确定所述接入网设备向所述终端设备发起的寻呼失败，包括：
    若所述接入网设备在所述定时器时长内未接收到寻呼消息的响应消息，所述接入网设备确定所述接入网设备向所述终端设备发起的寻呼失败。
  4. 根据权利要求2所述的方法，其特征在于，所述接入网设备根据所述接入网设备向所述终端设备发送寻呼消息的最大次数N，确定所述接入网设备向所述终端设备发起的寻呼失败，包括：
    若所述接入网设备未接收到N次寻呼消息中每次寻呼消息的响应消息，所述接入网设备确定所述接入网设备向所述终端设备发起的寻呼失败。
  5. 根据权利要求2至4中任一项所述的方法，其特征在于，所述方法还包括：
    所述接入网设备确定与所述终端设备对应的所述定时器时长或所述最大次数N，或
    所述接入网设备确定与所述终端设备的下行数据的承载对应的所述定时器时长或所述最大次数N，或
    所述接入网设备确定与所述终端设备的下行数据的数据流对应的所述定时器时长或所述最大次数N。
  6. 根据权利要求2至4中任一项所述的方法，其特征在于，所述方法还包括：
    所述接入网设备接收所述核心网设备发送的配置信息，所述配置信息用 于指示所述定时器时长或所述最大次数N。
  7. 根据权利要求1至6中任一项所述的方法，其特征在于，所述第一指示信息承载于连接释放请求消息中，所述连接释放请求消息用于请求释放所述核心网设备与所述接入网设备之间的所述终端设备的连接。
  8. 根据权利要求1至6中任一项所述的方法，其特征在于，所述第一指示信息还用于指示所述核心网设备释放所述核心网设备与所述接入网设备之间的所述终端设备的连接。
  9. 根据权利要求1至8中任一项所述的方法，其特征在于，在所述接入网设备确定所述接入网设备向终端设备发起的寻呼失败之前，所述方法还包括：
    所述接入网设备向所述终端设备发送寻呼消息。
  10. 根据权利要求9所述的方法，其特征在于，所述接入网设备向所述终端设备发送寻呼消息，包括：
    在所述接入网设备接收到所述核心网设备发送的所述终端设备的下行数据的情况下，所述接入网设备向所述终端设备发送寻呼消息。
  11. 根据权利要求10所述的方法，其特征在于，在所述接入网设备确定所述接入网设备向终端设备发起的寻呼失败之后，所述方法还包括：
    所述接入网设备向所述核心网设备回传所述接入网设备接收到的所述终端设备的下行数据。
  12. 根据权利要求9所述的方法，其特征在于，所述接入网设备向所述终端设备发送寻呼消息，包括：
    所述接入网设备接收所述核心网设备发送的第二指示信息，所述第二指示信息用于指示所述终端设备有待传输的下行数据；
    所述接入网设备根据所述第二指示信息，向所述终端设备发送寻呼消息。
  13. 根据权利要求12所述的方法，其特征在于，在所述接入网设备确定所述接入网设备向终端设备发起的寻呼失败之后，所述方法还包括：
    所述接入网设备向所述核心网设备发送第三指示信息，所述第三指示信息用于指示所述终端设备不可达或所述待传输的下行数据不能发送。
  14. 一种处理寻呼失败的方法，其特征在于，包括：
    核心网设备接收接入网设备发送的第一指示信息，所述第一指示信息用 于指示所述接入网设备对所述终端设备发起的寻呼失败；
    所述核心网设备根据所述第一指示信息，向所述终端设备发起寻呼。
  15. 根据权利要求14所述的方法，其特征在于，所述方法还包括：
    所述核心网设备根据所述第一指示信息，释放所述核心网设备与所述接入网设备之间的所述终端设备的连接。
  16. 根据权利要求14所述的方法，其特征在于，所述第一指示信息承载于连接释放请求消息中，所述连接释放请求消息用于请求释放所述核心网设备与所述接入网设备之间的所述终端设备的连接，所述方法还包括：
    所述核心网设备根据所述连接释放请求消息，释放所述核心网设备与所述接入网设备之间的所述终端设备的连接。
  17. 根据权利要求14至16中任一项所述的方法，其特征在于，在所述核心网设备接收接入网设备发送的第一指示信息之前，所述方法还包括：
    所述核心网设备向所述接入网设备发送所述终端设备的下行数据。
  18. 根据权利要求17所述的方法，其特征在于，所述方法还包括：
    所述核心网设备接收所述接入网设备回传的所述终端设备的下行数据。
  19. 根据权利要求14至16中任一项所述的方法，其特征在于，在所述核心网设备接收接入网设备发送的第一指示信息之前，所述方法还包括：
    所述核心网设备向所述接入网设备发送第二指示信息，所述第二指示信息用于指示所述终端设备有待传输的下行数据。
  20. 根据权利要求19所述的方法，其特征在于，在所述核心网设备向所述接入网设备发送第二指示信息之后，所述方法还包括：
    所述核心网设备接收所述接入网设备发送的第三指示信息，所述第三指示信息用于指示所述终端设备不可达或所述待传输的下行数据不能发送。
  21. 根据权利要求14至20中任一项所述的方法，其特征在于，所述方法还包括：
    所述核心网设备向所述接入网设备发送用于确定所述接入网设备向所述终端设备发起寻呼失败的配置信息，所述配置信息用于指示定时器时长或所述接入网设备向所述终端设备发送寻呼消息的最大次数N，N为正整数。
  22. 一种接入网设备，其特征在于，包括：
    第一确定单元，用于在有终端设备的下行数据需要发送的情况下，确定所述接入网设备向所述终端设备发起的寻呼失败；
    第一发送单元，用于向核心网设备发送第一指示信息，所述第一指示信息用于指示所述接入网设备对所述终端设备发起的寻呼失败。
  23. 根据权利要求22所述的接入网设备，其特征在于，所述第一确定单元具体用于：
    根据定时器时长或所述接入网设备向所述终端设备发送寻呼消息的最大次数N，确定所述接入网设备向所述终端设备发起的寻呼失败，N为正整数。
  24. 根据权利要求23所述的接入网设备，其特征在于，所述第一确定单元具体用于：
    若所述接入网设备在所述定时器时长内未接收到寻呼消息的响应消息，确定所述接入网设备向所述终端设备发起的寻呼失败。
  25. 根据权利要求23所述的接入网设备，其特征在于，所述第一确定单元具体用于：
    若所述接入网设备未接收到N次寻呼消息中每次寻呼消息的响应消息，确定所述接入网设备向所述终端设备发起的寻呼失败。
  26. 根据权利要求23至25中任一项所述的接入网设备，其特征在于，所述接入网设备还包括：
    第二确定单元，用于确定与所述终端设备对应的所述定时器时长或所述最大次数N，或
    确定与所述终端设备的下行数据的承载对应的所述定时器时长或所述最大次数N，或
    确定与所述终端设备的下行数据的数据流对应的所述定时器时长或所述最大次数N。
  27. 根据权利要求23至25中任一项所述的接入网设备，其特征在于，所述接入网设备还包括：
    接收单元，用于接收所述核心网设备发送的配置信息，所述配置信息用于指示所述定时器时长或所述最大次数N。
  28. 根据权利要求22至27中任一项所述的接入网设备，其特征在于，所述第一指示信息承载于连接释放请求消息中，所述连接释放请求消息用于请求释放所述核心网设备与所述接入网设备之间的所述终端设备的连接。
  29. 根据权利要求22至27中任一项所述的接入网设备，其特征在于， 所述第一指示信息还用于指示所述核心网设备释放所述核心网设备与所述接入网设备之间的所述终端设备的连接。
  30. 根据权利要求22至29中任一项所述的接入网设备，其特征在于，所述接入网设备还包括：
    第二发送单元，用于向所述终端设备发送寻呼消息。
  31. 根据权利要求30所述的接入网设备，其特征在于，所述第二发送单元具体用于：
    在所述接入网设备接收到所述核心网设备发送的所述终端设备的下行数据的情况下，向所述终端设备发送寻呼消息。
  32. 根据权利要求31所述的接入网设备，其特征在于，所述接入网设备还包括：
    第三发送单元，用于向所述核心网设备回传所述接入网设备接收到的所述终端设备的下行数据。
  33. 根据权利要求30所述的接入网设备，其特征在于，所述第二发送单元具体用于：
    接收所述核心网设备发送的第二指示信息，所述第二指示信息用于指示所述终端设备有待传输的下行数据；
    根据所述第二指示信息，向所述终端设备发送寻呼消息。
  34. 根据权利要求33所述的接入网设备，其特征在于，所述接入网设备还包括：
    第四发送单元，用于向所述核心网设备发送第三指示信息，所述第三指示信息用于指示所述终端设备不可达或所述待传输的下行数据不能发送。
  35. 一种核心网设备，其特征在于，包括：
    第一接收单元，用于接收接入网设备发送的第一指示信息，所述第一指示信息用于指示所述接入网设备对所述终端设备发起的寻呼失败；
    寻呼单元，用于根据所述第一指示信息，向所述终端设备发起寻呼。
  36. 根据权利要求35所述的核心网设备，其特征在于，所述核心网设备还包括：
    释放单元，用于根据所述第一指示信息，释放所述核心网设备与所述接入网设备之间的所述终端设备的连接。
  37. 根据权利要求35所述的核心网设备，其特征在于，所述第一指示 信息承载于连接释放请求消息中，所述连接释放请求消息用于请求释放所述核心网设备与所述接入网设备之间的所述终端设备的连接，所述核心网设备还包括：
    释放单元，用于根据所述连接释放请求消息，释放所述核心网设备与所述接入网设备之间的所述终端设备的连接。
  38. 根据权利要求35至37中任一项所述的核心网设备，其特征在于，所述核心网设备还包括：
    第一发送单元，用于向所述接入网设备发送所述终端设备的下行数据。
  39. 根据权利要求38所述的核心网设备，其特征在于，所述核心网设备还包括：
    第二接收单元，用于接收所述接入网设备回传的所述终端设备的下行数据。
  40. 根据权利要求35至37中任一项所述的核心网设备，其特征在于，所述核心网设备还包括：
    第二发送单元，用于向所述接入网设备发送第二指示信息，所述第二指示信息用于指示所述终端设备有待传输的下行数据。
  41. 根据权利要求40所述的核心网设备，其特征在于，所述核心网设备还包括：
    第三接收单元，用于接收所述接入网设备发送的第三指示信息，所述第三指示信息用于指示所述终端设备不可达或所述待传输的下行数据不能发送。
  42. 根据权利要求35至41中任一项所述的核心网设备，其特征在于，所述核心网设备还包括：
    第三发送单元，用于向所述接入网设备发送用于确定所述接入网设备向所述终端设备发起寻呼失败的配置信息，所述配置信息用于指示定时器时长或所述接入网设备向所述终端设备发送寻呼消息的最大次数N，N为正整数。
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