WO2018014152A1 - 核心网异常挂断的处理方法和终端 - Google Patents

核心网异常挂断的处理方法和终端 Download PDF

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Publication number
WO2018014152A1
WO2018014152A1 PCT/CN2016/090267 CN2016090267W WO2018014152A1 WO 2018014152 A1 WO2018014152 A1 WO 2018014152A1 CN 2016090267 W CN2016090267 W CN 2016090267W WO 2018014152 A1 WO2018014152 A1 WO 2018014152A1
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WO
WIPO (PCT)
Prior art keywords
cell
cause value
terminal
core network
redialing
Prior art date
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PCT/CN2016/090267
Other languages
English (en)
French (fr)
Inventor
李重锦
段文杰
陈志超
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201680077504.0A priority Critical patent/CN108605035B/zh
Priority to PCT/CN2016/090267 priority patent/WO2018014152A1/zh
Priority to US16/318,548 priority patent/US10841968B2/en
Publication of WO2018014152A1 publication Critical patent/WO2018014152A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/19—Connection re-establishment
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • 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
    • H04W76/11—Allocation or use of connection identifiers
    • 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
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/04—Terminal devices adapted for relaying to or from another terminal or user

Definitions

  • the present invention relates to the field of communications, and in particular, to a processing method and a terminal for abnormally hanging up a core network.
  • the caller failure 40.74% is caused by the call connect disconnect of the core network, because the local mobile phone has established a signaling connection with the core network, but the mobile phone is connected at the opposite end.
  • the network was hung up before the pass, and this situation is called the core network abnormally hangs up.
  • the local mobile phone when the local mobile phone learns that the core network is abnormally hanged, it immediately reports the upper user interface (UI), and the UI destroys the call interface. The user perceives that the call has failed, that is, a call fails.
  • UI user interface
  • the embodiment of the invention provides a processing method and a terminal for abnormally hanging up the core network, which effectively improves the calling rate of the calling party.
  • a processing method for abnormally hanging up the core network includes: when the terminal receives the notification message that the core network is abnormally hanged, obtaining the reason why the core network is abnormally hanged from the notification message. a value; when the terminal confirms that the cause value exists in the pre-configured first cause value list, redialing is performed.
  • the terminal when the terminal receives the notification message that the core network is abnormally hanged up When not reporting the UI directly, confirming that a call fails, but first obtaining the cause value of the core network abnormal hangup from the notification message, and then querying whether the cause value exists in the pre-configured first cause value list, when Redial is performed when it is confirmed that the cause value exists in the pre-configured first cause value list. By redialing, the calling call rate can be increased.
  • performing redialing including: when the terminal confirms that the cause value exists in advance
  • a redial is performed every time a redial interval is passed within the preset total redial duration.
  • the redial is performed once every one redial interval is exceeded within the preset total redial duration. Through multiple redials, the probability of the caller's failure will be lower and lower, which can further improve the caller's call rate.
  • the terminal performs redialing, including: the terminal acquiring, from the notification message, a cell identifier of a serving cell to which the terminal belongs; determining the cause value, and the cell identifier corresponding to the The number of times the core network is abnormally hanged; when the number of hangs is less than the first threshold, the cell corresponding to the cell identifier is used as a serving cell to redial; when the number of hangs is greater than or equal to the number When the number of times of the threshold is less than the number of times of the second threshold, it is confirmed that the cause value exists in the pre-configured second cause value list, and the cell corresponding to the cell identifier is not used as the serving cell for redialing; If the number of times is greater than or equal to the second threshold, it is confirmed that the cause value exists in the pre-configured second cause value list, and after one redial interval, the cell corresponding to the cell identifier is used as the serving cell to perform a redial. And setting the
  • the setting, by the cell corresponding to the cell identifier, the cell for the access layer to punish the cell in the penalty time including: determining the number of times the cell corresponding to the cell identity is set as the access layer to punish the cell; Determining the current penalty time according to the initial penalty time and the cell corresponding to the cell identifier being set as the access layer punishing the cell; setting the cell corresponding to the cell identifier to the access layer penalty in the current penalty time Community.
  • the cell corresponding to the initial penalty time and the cell identifier is set to the number of times the access layer punishes the cell, and the penalty time is determined, so that the penalty time of the cell can be flexibly determined, and is set to be connected.
  • the determined penalty time is longer, and the calling rate can be further improved.
  • the method before the terminal performs redialing, the method further includes: confirming that the notification message does not carry indication information for indicating that a ringback tone is played.
  • the redialing is performed only when the notification message does not carry the indication information for indicating the playback ringback tone, and the user experience can be improved.
  • the embodiment of the present invention provides a terminal, where the terminal can implement the functions performed by the terminal in the foregoing method example, and the function can be implemented by using hardware or by executing corresponding software by hardware.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • the structure of the terminal includes a processor and a radio frequency circuit, the processor being configured to support the terminal to perform a corresponding function in the above method.
  • the radio frequency circuit is configured to send and receive messages, for example, receiving a notification message that the core network sent by the core network is abnormally hanged.
  • the terminal can also include a memory for coupling with the processor that retains the program instructions and data necessary for the terminal.
  • an embodiment of the present invention provides a computer storage medium for storing the foregoing Computer software instructions for use by the terminal, including programs designed to perform the above aspects.
  • the terminal when the terminal receives the notification message that the core network is abnormally hanged, the terminal first obtains the reason value of the core network abnormal hangup from the notification message, and then confirms the If the cause value exists in the pre-configured first cause value list, redial is performed, so that the call forwarding rate can be increased by redialing for the reason that the core network is abnormally hung up.
  • FIG. 1 is a schematic diagram of a network architecture according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a method for processing an abnormal suspension of a core network according to an embodiment of the present invention
  • FIG. 3 is a flowchart of another method for processing abnormal suspension of a core network according to an embodiment of the present invention.
  • FIG. 4 is a flowchart of another method for processing abnormal suspension of a core network according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of another terminal according to an embodiment of the present invention.
  • the caller failure is mainly caused by the abnormality of the network and the peer mobile phone.
  • the embodiment of the present invention proposes a processing method for the core network abnormal hangup for the reason of the caller failure.
  • FIG. 1 is a schematic diagram of a network architecture according to an embodiment of the present invention.
  • a terminal 101 communicates with another terminal 102
  • a call is initiated by one of the terminals to the other terminal.
  • the terminal 101 first establishes a communication connection with the core network 103, and then establishes a communication connection with the terminal 102 through the core network 103, because the network condition is poor or called.
  • the terminal has an abnormality, etc., after the terminal 101 has established a communication connection with the core network 103, before establishing a communication connection with the terminal 102, the communication connection established between the terminal 101 and the core network 103 may be different by the core network 103. Often hang up.
  • the optimization process is performed.
  • the terminal receives the notification message that the core network is abnormally hanged
  • the terminal does not directly report the UI, but confirms that the call fails, but first obtains the current message from the notification message.
  • the reason why the core network is abnormally hanged and then query whether the cause value exists in the pre-configured first cause value list.
  • the redial is automatically performed. Thereby, the calling call rate can be improved.
  • the above redialing may be only one redialing or multiple redialing.
  • the process of redialing is specifically to perform a redial every time a redial interval is exceeded within a preset total redial duration. Through multiple redials, the probability of the caller's failure will be lower and lower, which can improve the caller's call rate.
  • the terminal mentioned in the embodiment of the present invention may be, but not limited to, a mobile phone.
  • Table 2 is a list of the top 8 reason values for abnormal disconnection of a certain mobile phone call core network.
  • the table counts the proportion of cells that the caller fails for N times caused by each cause value.
  • the proportion of cells that failed N times the number of cells that failed N times due to 44 reasons/the total number of cells that failed to call due to 44 cause values.
  • the proportion of cells failing once is 77.32%
  • the proportion of cells failing twice is 10.82%
  • the proportion of cells failing 3 times is 6.70%
  • the proportion of cells failing 4 times is 5.15. %.
  • FIG. 2 is a flowchart of a processing method for abnormally hanging up a core network according to an embodiment of the present disclosure, where the method includes:
  • Step 201 When the terminal receives the notification message that the core network is abnormally hanged, the terminal obtains the cause value of the abnormal suspension of the core network from the notification message.
  • Step 202 Perform redialing when the terminal confirms that the cause value exists in the pre-configured first cause value list.
  • the value of the reason for redialing can be configured. According to the big data statistics and the cause value analysis, some cause values that the redial will not take effect are excluded. For example, the phone number is incorrect.
  • the reason value that needs to be redialed may include #31. , #102,#41,#34,#44,#38,#127,#63,#111,#47,#3,#8, where #31 represents the default value, the core represented by other cause values For the reason why the network is abnormally hanged, refer to Tables 1 and 2 above.
  • the redial can be automatically performed every time a redial interval is passed within the preset total redial duration.
  • the total redial duration and the redial interval may be set in advance according to the network becoming good time and the user's perception.
  • the total redial duration is 30s and the redial interval is 8s.
  • the method may further include:
  • Step 203 Confirm that the notification message does not carry indication information for indicating that the ringback tone is played.
  • step 203 the user can effectively avoid redialing after hearing the ringback tone, which causes a problem of poor user experience.
  • the embodiment of the present invention provides a processing method for abnormally hanging up the core network.
  • the terminal receives the notification message that the core network is abnormally hanged, the terminal first obtains the reason value of the abnormal suspension of the core network from the notification message. Then, it is confirmed that the cause value exists in the pre-configured first cause value list, and then redialed, so that the call forwarding rate can be increased by redialing for the reason that the core network is abnormally hung up.
  • the caller in order to further improve the call rate of the calling party, may be able to improve the call rate of the calling party by using the redialing method.
  • the hang-up When the hangup is abnormal, the hang-up cause value that meets certain conditions is changed to the serving cell to continue the service, thereby improving the calling call rate.
  • the first stage two consecutive failures, passively reselecting a cell; specifically, a non-access stratum (NAS) can send a specific message to the access layer (Access Stratum, AS), and the access layer receives Re-search other cells after the message.
  • NAS non-access stratum
  • the NAS layer supports signaling interaction between the mobile phone and the core network.
  • the AS layer supports signaling interaction between the mobile phone and the radio access network.
  • the number of thresholds for reselection may be pre-configured, and the above two times are only for illustrative purposes, and the number of thresholds for reselection may be set to other values as needed, for example, three times and four times.
  • the number of thresholds for adding a penalty may be pre-configured. The above three times are only for example. The number of thresholds for adding a penalty may be set to other values as needed, for example, 4 times or 5 times, but normally Set the threshold for adding a penalty to be greater than the number of thresholds for reselection.
  • the penalty for the cell is gradually increased.
  • the first phase does not punish the cell. If the next time meets the camping condition, the cell can still reside.
  • the second phase will punish the cell.
  • the cell can be camped on if both the camp condition and the penalty time are met.
  • FIG. 4 is a flowchart of another method for processing a core network abnormal hangup according to an embodiment of the present invention.
  • the foregoing step 202 includes:
  • Step 2021 The terminal acquires, from the notification message, a cell identifier of the serving cell to which the terminal belongs.
  • Step 2022 Determine the cause value and the number of hangups of the core network corresponding to the cell identifier that are abnormally hanged.
  • Step 2023 When the number of hangups is less than the first threshold, the cell corresponding to the cell identifier is used as a serving cell to perform redialing.
  • the first threshold number is the number of thresholds of the foregoing reselection.
  • step 2024 when the number of hang-ups is greater than or equal to the number of the first thresholds and less than the number of second thresholds, it is confirmed that the cause value exists in the pre-configured second cause value list, corresponding to the non-the cell identifier.
  • the cell is redialed as a serving cell.
  • the second threshold number is the threshold number of times the penalty is added, and the second threshold number is greater than the first threshold number.
  • the cause value included in the second cause value list may be configured as needed. Generally, the second cause value list may be configured as a subset of the first cause value list.
  • step 2025 when the number of hang-ups is greater than or equal to the number of the second thresholds, it is confirmed that the cause value exists in the pre-configured second cause value list, and the cell corresponding to the cell identifier is not used as the serving cell. Redialing, and setting the cell corresponding to the cell identifier to punish the cell for the access layer within the penalty time.
  • the initial penalty time may be pre-configured.
  • the reason value is confirmed to exist in the pre-configured second cause value list. Determining that the cell is set to the number of times the access layer punishes the cell; The initial penalty time and the number of times the cell is set to the access layer to punish the cell, determine the current penalty time; and then set the cell corresponding to the cell identity to punish the cell for the access layer during the penalty time.
  • an accumulated value may be preset, and the number of times the cell is set to the access layer to punish the cell is multiplied by the accumulated value, and then summed with the initial penalty time, thereby determining the current penalty time.
  • the following penalty rule can be set: the first penalty time T, the default 30s, the latter DISCONNECT cause occurs once, the penalty time is incremented by T, the longest Tmax s, the default 300s, T and Tmax can be matched.
  • the initial value and the maximum value of each variable to be counted may be pre-configured. Penalty time.
  • the network currently camped on by the mobile phone is a Global System for Mobile Communication (GSM) network
  • GSM Global System for Mobile Communication
  • LTE Long Term Evolution
  • WCDMA Wideband Code Division Multiple Access
  • LTE network and WCDMA network are different systems from the GSM network, and the de-division system does not clear the number of times the core network is abnormally hanged.
  • the NAS layer is mainly responsible for the location area identification (LAI) + cell identity (CELLID) each time the calling core network is abnormally hanged (including the communication connection of the core network is released). Whether there is an alert, whether it is connected, and the cause value is passed to the AS layer;
  • LAI location area identification
  • CELLID cell identity
  • the terminal needs to collect the correspondence between the cell identifier, the cause value, and the number of hangups when the core network is abnormally hanged.
  • the preset number of cause values may be counted.
  • Each cause value corresponds to only counting a preset number of cells.
  • the number of statistical cause values is up to 16 types, and the number of cells corresponding to each count is up to 16 cells, and more than 16 cells are performed according to the first in first out rule. cover.
  • the following nine reason values are initially selected in the second reason value list:
  • the penalty rule may be set in advance, and after the penalty cell is set, when the penalty rule is met, the corresponding cell is set as a campable cell, and the foregoing penalty rule may specifically be a. , b. the peer is connected; or, c. has an alert and the cause is a general event, and the cause of the hanging is 0-31.
  • the terminal provided by the embodiment of the present invention includes: a radio frequency (English: Radio Frequency:: RF) circuit 110, a memory 120, an input unit 130, a display unit 140, a processor 150, and a power source 160.
  • RF Radio Frequency
  • the terminal structure shown in FIG. 5 does not constitute a limitation of the terminal, and may include more or less components than those illustrated, or a combination of certain components, or different component arrangements.
  • the RF circuit 110 can be used to transmit and receive information, for example, to interact with a core network device or an access network device, and to process the received information to the processor 150.
  • the RF circuit 110 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, and a low noise amplifier (English: Low) Noise Amplifier, LNA), duplexer, etc.
  • RF circuit 110 can also communicate with other devices over a wireless communication network.
  • wireless communication can adopt any communication standard or protocol, including but not limited to Global System of Mobile communication (GSM), General Packet Radio Service (GPRS), and code division. Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), E-mail, Short Message Service (English) :Short Messaging Service, SMS), etc.
  • GSM Global System of Mobile communication
  • GPRS General Packet Radio Service
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • LTE Long
  • the memory 120 can be used to store software programs and modules, and the processor 150 causes the terminal to execute the processing method of the core network abnormal hangup by running the software programs and modules stored in the memory 120.
  • the memory 120 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required to implement the above processing method, and the like.
  • the storage data area can store parameters such as a total redial duration and a redial interval, and a statistical cause value, a correspondence between the cell identifier and the number of hangups of the core network abnormally hanged.
  • the memory 120 may be a volatile memory, such as a random access memory (English: random-access memory, abbreviation: RAM); the memory 120 may also be a non-volatile memory (English: Non-volatile memory, such as read-only memory (English: read-only memory, abbreviation: ROM), flash memory (English: flash memory), hard disk (English: hard disk drive, abbreviation: HDD) or solid state drive (English) : solid-state drive, abbreviated: SSD); the memory 120 may also include a combination of the above types of memory.
  • RAM random access memory
  • the memory 120 may also be a non-volatile memory (English: Non-volatile memory, such as read-only memory (English: read-only memory, abbreviation: ROM), flash memory (English: flash memory), hard disk (English: hard disk drive, abbreviation: HDD) or solid state drive (English) : solid-state drive, abbreviated: SSD); the memory 120 may also include a combination of the above types of
  • the input unit 130 can be used to receive numeric or character information input by the user.
  • the input unit 130 can include the touch panel 131 and other input devices 132.
  • the touch panel 131 also referred to as a touch screen, can collect touch operations on or near the user (such as a user using a finger, a stylus, or the like on the touch panel 131 or near the touch panel 131. Operation), and drive the corresponding connecting device according to a preset program.
  • the touch panel 131 may include two parts: a touch detection device and a touch controller.
  • the touch detection device detects the touched side of the user Bit, and detecting the signal brought by the touch operation, transmitting the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, sends it to the processor 150, and can receive the processing
  • the command sent by the device 150 is executed.
  • the input unit 130 can implement the touch panel 131 by using various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the input unit 130 may also include other input devices 132.
  • other input devices 132 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, and the like.
  • the display unit 140 can be used to display information input by the user or information provided to the user, and the like.
  • the display unit 140 may include a display panel 141.
  • the display panel 141 may be configured in the form of a liquid crystal display (LCD) or an organic light-emitting diode (OLED).
  • the touch panel 131 can cover the display panel 141.
  • the touch panel 131 detects a touch operation on or near the touch panel 131, the touch panel 131 transmits to the processor 150 to determine the type of the touch event, and then the processor 150 according to the touch event.
  • the type provides a corresponding visual output on display panel 141.
  • the touch panel 131 and the display panel 141 are two independent components to implement the input and output functions of the terminal in FIG. 5, in some embodiments, the touch panel 131 may be integrated with the display panel 141. Realize the input and output functions of the terminal.
  • the processor 150 is the control center of the terminal, and connects various parts of the entire terminal using various interfaces and lines, by executing or executing software programs and/or modules stored in the memory 120, and calling data stored in the memory 120, executing The core network is abnormally hanged.
  • processor 150 may include one or more processing units.
  • the processor 150 can integrate an application processor and a modem processor, wherein the application processor mainly processes an operating system, a user interface, an application, etc., and the modem processor mainly processes wireless communication. It can be understood that the above modem processor may not be integrated into the processor 150.
  • the processor 150 includes the functions of the access layer 151 and the non-access stratum 152.
  • the core network abnormally hangs up through the cooperation of the access layer 151 and the non-access stratum 152. Processing method.
  • the terminal also includes a power source 160 (such as a battery) that supplies power to the various components.
  • a power source 160 such as a battery
  • the power source can be logically coupled to the processor 150 through the power management system to manage functions such as charging, discharging, and power management through the power management system.
  • the processor 150 is configured to: when receiving the notification message that the core network is abnormally hanged by the radio frequency circuit 110, obtain, from the notification message, a cause value of the abnormal suspension of the core network; when confirming the cause Redial is performed when the value exists in the pre-configured first cause value list.
  • the processor 150 performs the operation of performing redialing when confirming that the cause value exists in a pre-configured first cause value list, including: when confirming that the cause value exists in a pre-configuration In the first reason value list, a redial is performed every time a redial interval is passed within the preset total redial duration.
  • the processor 150 performs an operation of performing redialing, including: acquiring, from the notification message, a cell identifier of a serving cell to which the terminal belongs; determining the cause value, a core corresponding to the cell identifier If the number of hangups is less than or equal to the first threshold, the cell corresponding to the cell identifier is used as a serving cell for redialing; when the number of hangups is greater than or equal to the first When the number of thresholds is less than the second threshold, it is confirmed that the cause value exists in the pre-configured second cause value list, and the cell corresponding to the cell identifier is not used as the serving cell for redialing; when the hanging number is greater than Or, if the number of the second threshold is equal to, the acknowledgment that the cause value exists in the pre-configured second cause value list, and after a redial interval, the cell corresponding to the cell identifier is used as the serving cell to perform a redial. And, the cell corresponding to the cell
  • the performing, by the processor, the setting, by the cell corresponding to the cell identifier, the cell that is punishing the cell for the access layer within the penalty time including: determining that the cell corresponding to the cell identifier is set as the access layer Determining the number of times of the cell; determining the current penalty time according to the initial penalty time and the cell corresponding to the cell identifier being set to the number of times the access layer punishes the cell; setting the cell corresponding to the cell identifier in the current penalty time Penalize the cell for the access layer.
  • the processor 150 before the processor 150 performs the operation of performing redialing, the processor 150 is further configured to: confirm that the notification message does not carry indication information for indicating that a ringback tone is played.
  • the terminal may further include a camera, a Bluetooth module, a sensor, an audio circuit, a USB module, and the like, and details are not described herein.
  • FIG. 6 is a schematic diagram of another structure of a terminal according to an embodiment of the present invention.
  • the terminal is configured to perform a method for processing an abnormal suspension of a core network according to an embodiment of the present invention, where the terminal includes:
  • the receiving unit 601 is configured to receive a notification message that the core network is abnormally hanged
  • the receiving unit 601 may specifically be the radio frequency circuit 110 shown in FIG. 5.
  • the processing unit 602 is configured to: when the receiving unit 601 receives the notification message that the core network is abnormally hanged, obtain the cause value of the core network abnormal hangup from the notification message; and confirm that the cause value exists in the pre-configuration Redial is performed when the first cause value is in the list.
  • the processing unit 602 may specifically be the processor 150 shown in FIG. 5.
  • the processing unit 602 is specifically configured to: when it is confirmed that the cause value exists in the pre-configured first cause value list, perform one time for each redial interval within a preset total redial duration Redial.
  • the processing unit 602 is configured to: obtain, from the notification message, a cell identifier of the serving cell to which the terminal belongs, and determine the cause value, and the hang up of the core network corresponding to the cell identifier The number of times: when the number of hangups is less than the first threshold, the cell corresponding to the cell identifier is used as a serving cell for redialing; when the number of hangups is greater than or equal to the first threshold and less than the second threshold When the number of times is determined, the reason value is stored in the pre-configured second cause value list, and the cell corresponding to the cell identifier is used as the serving cell to perform redialing; when the number of hanging times is greater than or equal to the second threshold In the case of the number of times, it is confirmed that the cause value exists in the pre-configured second cause value list, and the cell corresponding to the cell identifier is used as the serving cell to perform redialing, and the cell corresponding to the cell identifier is set in the penalty time.
  • the processing unit 602 is specifically configured to determine that the cell corresponding to the cell identifier is Set the number of times the cell is punctured by the access layer; determine the current penalty time according to the initial penalty time and the number of cells corresponding to the cell identifier set to be the access layer punishing the cell; and set the cell corresponding to the cell identifier in the The penalty layer punishes the cell for the access layer.
  • the processing unit 602 is further configured to: before the redialing is performed, confirm that the notification message does not carry indication information for indicating that the ringback tone is played.

Abstract

本发明实施例涉及核心网异常挂断的处理方法和终端，该方法包括：当终端接收到核心网异常挂断的通知消息时，从所述通知消息中获取本次核心网异常挂断的原因值；当所述终端确认所述原因值存在于预先配置的第一原因值列表中时，进行重拨。由上可见，本发明实施例提供的方案可以针对某些特定原因引起的核心网异常挂断，通过重拨，提升主叫呼通率。

Description

核心网异常挂断的处理方法和终端 技术领域
本发明涉及通信领域，尤其涉及核心网异常挂断的处理方法和终端。
背景技术
通过对某种手机网络大数据进行分析，主叫失败40.74％由核心网通话连接挂断(call connect disconnect)导致，因为本端手机已经和核心网建立了信令连接，但是在对端手机接通前被网络挂断了，这种情形称为核心网异常挂断。
现有技术中，当本端手机获知核心网异常挂断后，立即上报上层用户界面(User Interface，UI)，UI会销毁通话界面，用户感知到通话失败了，就是一次呼叫失败。
由上可见，现有技术中，当手机获知核心网异常挂断后，立即确认一次呼叫失败，主叫呼通率低。
发明内容
本发明实施例提供了核心网异常挂断的处理方法和终端，有效地提高了主叫呼通率。
一方面，提供了一种核心网异常挂断的处理方法，该方法包括：当终端接收到核心网异常挂断的通知消息时，从所述通知消息中获取本次核心网异常挂断的原因值；当所述终端确认所述原因值存在于预先配置的第一原因值列表中时，进行重拨。
由上可见，本发明实施例中，当终端接收到核心网异常挂断的通知消息 时，不是直接上报UI，确认一次呼叫失败，而是先从通知消息中获取本次核心网异常挂断的原因值，然后查询该原因值是否存在于预先配置的第一原因值列表中，当确认该原因值存在于预先配置的第一原因值列表中时，进行重拨。通过重拨，可以提升主叫呼通率。
在一种可能的设计中，所述当所述终端确认所述原因值存在于预先配置的第一原因值列表中时，进行重拨，包括：当所述终端确认所述原因值存在于预先配置的第一原因值列表中时，在预先设置的总重拨时长内，每经过一个重拨间隔，进行一次重拨。
由上可见，本发明实施例中，当确认该原因值存在于预先配置的第一原因值列表中时，在预先设置的总重拨时长内，每经过一个重拨间隔，进行一次重拨。通过多次重拨，主叫失败的概率会越来越低，从而可以进一步提升主叫呼通率。
在一种可能的设计中，所述终端进行重拨，包括：所述终端从所述通知消息中获取所述终端所属的服务小区的小区标识；确定所述原因值、所述小区标识对应的核心网异常挂断的挂断次数；当所述挂断次数小于第一门限次数时，以所述小区标识对应的小区作为服务小区进行重拨；当所述挂断次数大于或等于所述第一门限次数且小于第二门限次数时，确认所述原因值存在于预先配置的第二原因值列表中，以非所述小区标识对应的小区作为服务小区进行重拨；当所述挂断次数大于或等于所述第二门限次数时，确认所述原因值存在于预先配置的第二原因值列表中，经过一个重拨间隔，以非所述小区标识对应的小区作为服务小区进行一次重拨，以及，设置所述小区标识对应的小区在惩罚时间内为接入层惩罚小区。
由上可见，本发明实施例中，根据原因值、小区标识对应的核心网异常挂断的挂断次数采取不同的措施来提高主叫呼通率。当挂断次数较小时，重拨但不更换服务小区；当挂断次数较大时，对符合一定条件的挂断原因值，换个服务小区继续业务；随着核心网异常挂断次数的增加，对小区惩罚的力 度逐渐加大，第一阶段不惩罚小区，下个时刻如果满足驻留条件还可以驻留这个小区；第二阶段会惩罚小区，必须同时满足驻留条件和超过惩罚时间，才可以驻留该小区。通过这种方式可以有效避免当小区异常时，单纯通过重拨无法使主叫成功的情况，进一步提高主叫呼通率。
在一种可能的设计中，所述设置所述小区标识对应的小区在惩罚时间内为接入层惩罚小区，包括：确定所述小区标识对应的小区被设置为接入层惩罚小区的次数；根据初始惩罚时间和所述小区标识对应的小区被设置为接入层惩罚小区的次数，确定本次惩罚时间；设置所述小区标识对应的小区在所述本次惩罚时间内为接入层惩罚小区。
由上可见，本发明实施例中，根据初始惩罚时间和小区标识对应的小区被设置为接入层惩罚小区的次数，确定本次惩罚时间，从而可以灵活确定小区的惩罚时间，被设置为接入层惩罚小区的次数较大时，确定的本次惩罚时间就越长，能够进一步提高主叫呼通率。
在一种可能的设计中，所述终端进行重拨之前，所述方法还包括：确认所述通知消息中不携带用于指示播放回铃音的指示信息。
由上可见，本发明实施例中，只有在通知消息中不携带用于指示播放回铃音的指示信息，才进行重拨，可以改善用户体验。
又一方面，本发明实施例提供了一种终端，该终端可以实现上述方法示例中终端所执行的功能，所述功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个上述功能相应的模块。
在一种可能的设计中，该终端的结构中包括处理器和射频电路，该处理器被配置为支持该终端执行上述方法中相应的功能。该射频电路用于收发消息，例如，接收核心网发送的核心网异常挂断的通知消息等。该终端还可以包括存储器，该存储器用于与处理器耦合，其保存该终端必要的程序指令和数据。
再一方面，本发明实施例提供了一种计算机存储介质，用于储存为上述 终端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。
相较于现有技术，本发明提供的方案当终端接收到核心网异常挂断的通知消息时，先从所述通知消息中获取本次核心网异常挂断的原因值，然后在确认所述原因值存在于预先配置的第一原因值列表中时，再进行重拨，从而可以针对核心网异常挂断的原因，采取重拨的方式提高主叫呼通率。
附图说明
图1为本发明实施例提供的一种网络架构示意图；
图2为本发明实施例提供的一种核心网异常挂断的处理方法流程图；
图3为本发明实施例提供的另一种核心网异常挂断的处理方法流程图；
图4为本发明实施例提供的另一种核心网异常挂断的处理方法流程图；
图5为本发明实施例提供的终端的一种结构示意图；
图6为本发明实施例提供的终端的另一种结构示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行描述。
当前，一个终端在向另一个终端发起呼叫后，主叫失败有很大一部分是由核心网通话连接挂断(call connect disconnect)导致，如表一中所示是排名前14位(总计38.22％)的主叫失败各种原因详细占比(各原因值失败数量\总失败数77493)。
Figure PCTCN2016090267-appb-000001
Figure PCTCN2016090267-appb-000002
表一
由表一可见，主叫失败主要是网络以及对端手机有异常导致，本发明实施例针对主叫失败的原因提出了一种核心网异常挂断的处理方法。
图1为本发明实施例提供的一种网络架构示意图，参见图1，通常一个终端101在与另一个终端102进行通信时，先要由其中一个终端发起对另一个终端的呼叫，以终端101作为主叫终端为例，当终端101向终端102发起呼叫时，终端101先要与核心网103建立通信连接，然后再通过核心网103与终端102建立通信连接，由于网络状况不佳或者被叫终端有异常等原因，在终端101已经与核心网103建立了通信连接后，在与终端102建立通信连接之前，可能出现终端101与核心网103之间建立的通信连接被核心网103异 常挂断的情况。
本发明实施例中，针对这种情况，进行了优化处理，当终端接收到核心网异常挂断的通知消息时，不是直接上报UI，确认一次呼叫失败，而是先从通知消息中获取本次核心网异常挂断的原因值，然后查询该原因值是否存在于预先配置的第一原因值列表中，当确认该原因值存在于预先配置的第一原因值列表中时，自动进行重拨，从而可以提升主叫呼通率。
其中，上述重拨可以仅为一次重拨，也可以为多次重拨。
在一个示例中，上述重拨的过程具体为，在预先设置的总重拨时长内，每经过一个重拨间隔，进行一次重拨。通过多次重拨，主叫失败的概率会越来越低，从而可以提升主叫呼通率。
本发明实施例中提到的终端可以但不限于为手机。
下面通过大数据分析的结果，来对本发明实施例的效果进行说明。表二为某种手机通话核心网异常断开的前8位的原因值列表，该表格中统计了每种原因值引起的主叫失败N次的小区比例。
Figure PCTCN2016090267-appb-000003
表二
参见表二，下面以原因值44为例对表二所用的统计方法进行说明，其中， 失败N次的小区比例＝因44原因值失败N次的小区个数/因44原因值导致通话失败的小区总个数。
由表二可见，以原因值44为例，失败1次的小区比例为77.32％，失败2次的小区比例为10.82％，失败3次的小区比例为6.70％，失败4次的小区比例为5.15％。通过对表二统计的数据进行分析，可知假设失败N次的小区比例可以表示用户某些小区建立通话N次还失败的的概率，那么随着通话建立次数的增加，失败的概率越来越低，因此对于某些原因引起的核心网异常挂断，可以通过重拨的方式提高主叫呼通率。
此外，如果一个小区用户连续呼叫多次以上都失败，那我们可以认为该小区异常，单纯采用重拨的方式无法提高主要呼通率，因此可以对该小区进行惩罚，让手机重选至其它小区。
图2为本发明实施例提供的一种核心网异常挂断的处理方法流程图，该方法包括：
步骤201，当终端接收到核心网异常挂断的通知消息时，从所述通知消息中获取本次核心网异常挂断的原因值；
步骤202，当终端确认该原因值存在于预先配置的第一原因值列表中时，进行重拨。
需要进行重拨的原因值可配置，根据大数据统计占比及原因值分析，排除掉一些重拨肯定不生效的原因值，如电话号码不正确等，需要重拨的原因值可以包括#31，#102，#41，#34，#44，#38，#127，#63，#111，#47，#3，#8，其中，#31代表缺省值，其他原因值所代表的核心网异常挂断原因可参见前述表一和表二。
其中，可以在预先设置的总重拨时长内，每经过一个重拨间隔，自动进行一次重拨。
本发明实施例中，可以考虑网络变好时间以及用户感知，预先设置总重拨时长和重拨间隔，例如，设置总重拨时长为30s、重拨间隔为8s。
可选地，如图3所示，在执行步骤202之前，还可以包括：
步骤203，确认所述通知消息中不携带用于指示播放回铃音的指示信息。
通过执行步骤203，可以有效避免用户听到回铃音后，再进行重拨，引起用户体验不佳的问题。
本发明实施例提供了一种核心网异常挂断的处理方法，当终端接收到核心网异常挂断的通知消息时，先从所述通知消息中获取本次核心网异常挂断的原因值，然后确认所述原因值存在于预先配置的第一原因值列表中，再进行重拨，从而可以针对核心网异常挂断的原因，采取重拨的方式提高主叫呼通率。
通过重拨的方式虽然可以在一定程度上提高主叫呼通率，但是当小区异常时，单纯通过重拨无法使主叫成功，本发明实施例中，为了进一步提高主叫呼通率，出现异常挂断的时候，对符合一定条件的挂断原因值，换个服务小区继续业务，从而提升主叫呼通率。
为了尽量降低风险，可以分两个阶段，对异常挂断小区的措施逐渐加重：
第一阶段：连续2次失败，被动重选一个小区；具体地，可以通过非接入层(Non Access Stratum，NAS)向接入层(Access Stratum，AS)发特定的消息，接入层收到消息后重新搜其它小区。
其中，NAS层，支持手机和核心网的信令交互。AS层，支持手机和无线接入网的信令交互。
本发明实施例中，可以预先配置重选的门限次数，上述2次仅为举例说明，根据需要可将重选的门限次数设置为其他数值，例如，3次、4次。
第二阶段，连续3次失败加入到接入层惩罚小区里面，惩罚时间内不让这个小区作服务小区，采用阶梯式惩罚。
本发明实施例中，可以预先配置加入惩罚的门限次数，上述3次仅为举例说明，根据需要可将加入惩罚的门限次数设置为其他数值，例如，4次、5次，但通常情况下应设置加入惩罚的门限次数大于重选的门限次数。
随着核心网异常挂断次数的增加，对小区惩罚的力度逐渐加大，第一阶段不惩罚小区，下个时刻如果满足驻留条件还可以驻留这个小区；第二阶段会惩罚小区，必须同时满足驻留条件和超过惩罚时间，才可以驻留该小区。
图4为本发明实施例提供的另一种核心网异常挂断的处理方法流程图，该方法中前述步骤202具体包括：
步骤2021，终端从所述通知消息中获取所述终端所属的服务小区的小区标识。
步骤2022，确定所述原因值、所述小区标识对应的核心网异常挂断的挂断次数。
步骤2023，当所述挂断次数小于第一门限次数时，以所述小区标识对应的小区作为服务小区进行重拨。
其中，第一门限次数即为前述重选的门限次数。
步骤2024，当所述挂断次数大于或等于所述第一门限次数且小于第二门限次数时，确认所述原因值存在于预先配置的第二原因值列表中，以非所述小区标识对应的小区作为服务小区进行重拨。
其中，第二门限次数即为加入惩罚的门限次数，第二门限次数大于第一门限次数。可根据需要配置第二原因值列表中包括的原因值，通常地，可配置第二原因值列表为第一原因值列表的子集。
步骤2025，当所述挂断次数大于或等于所述第二门限次数时，确认所述原因值存在于预先配置的第二原因值列表中，以非所述小区标识对应的小区作为服务小区进行重拨，以及，设置所述小区标识对应的小区在惩罚时间内为接入层惩罚小区。
本发明实施例中，上述步骤可根据需要进行组合，在此不做赘述。
本发明实施例中，可以预先配置初始惩罚时间，当所述挂断次数大于或等于所述第二门限次数，并且，确认所述原因值存在于预先配置的第二原因值列表中时，先确定所述小区被设置为接入层惩罚小区的次数；然后根据初 始惩罚时间和所述小区被设置为接入层惩罚小区的次数，确定本次惩罚时间；再设置所述小区标识对应的小区在本次惩罚时间内为接入层惩罚小区。
其中，可以预先设定一个累加值，将所述小区被设置为接入层惩罚小区的次数乘以累加值，再与初始惩罚时间求和，从而确定本次惩罚时间。
也就是说，所述小区被设置为接入层惩罚小区的次数越多，本次惩罚时间越长。
在一个示例中，可以设置如下惩罚规则：首次惩罚时长T，默认30s，后面本种DISCONNECT cause出现一次，惩罚时间以T递增，最长Tmax s，默认300s，T和Tmax可配。
此外，本发明实施例中，除了可以预先配置原因值列表、重选的门限次数、加入惩罚的门限次数、初始惩罚时长和累加值外，还可以预先配置需统计的各变量的初始值以及最大惩罚时长。
在一个示例中，手机当前驻留的网络为全球移动通信系统(Global System for Mobile Communication，GSM)网络，曾经驻留的网络为长期演进(Long Term Evolution，LTE)网络和宽带码分多址(Wideband Code Division Multiple Access，WCDMA)网络，LTE网络和WCDMA网络相对于GSM网络为异系统，去异系统不清除核心网异常挂断的次数。
在一个示例中，NAS层主要负责在每次主叫核心网异常挂断(包括核心网的通信连接被释放)的时候，将位置区识别码(Location Area Identification，LAI)+小区标识(CELLID)、是否有响铃(alert)、是否接通及挂断原因值传给AS层；
本发明实施例中，在具体实现时，终端需统计发生核心网异常挂断时的小区标识、原因值与挂断次数的对应关系，为了节省终端处理资源，可以只统计预设数量的原因值，每个原因值对应只统计预设数量的小区，例如，统计的原因值的数量最大16种，每种对应统计的小区的数量最大16个小区，超过16个小区，根据先进先出规则进行覆盖。
其中，根据只惩罚无线网侧及导致核心网异常挂断前几位原因值的原则，初步筛选以下9个原因值配置在上述第二原因值列表中：
无可用的资源类别：
原因NO.34：无可用的电路/通路
原因NO.38：网络失序
原因NO.41：临时故障
原因NO.42：交换设备拥塞
原因NO.44：请求的电路/通路不可用
原因NO.47：资源不可用，未规定
无适用的业务或任选项目类别：
原因NO.57：承载能力未认可
原因NO.58：目前尚无可用的承载能力
原因NO.63：无适用的业务或任选项目，未规定
本发明实施例中，可以预先设置出惩罚规则，在设置惩罚小区后，当满足出惩罚规则时，将相应小区设置为可以驻留的小区，上述出惩罚规则具体可以为a.手机重启；或，b.对端接通；或，c.有响铃(alert)并且挂断原因(cause)是一般事件，既挂断原因值为0-31。
参见图5，本发明实施例提供的终端包括：射频(英文：Radio Frequency，：RF)电路110、存储器120、输入单元130、显示单元140、处理器150、以及电源160等部件。本领域技术人员可以理解，图5示出的终端结构并不构成对终端的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。
下面结合图5对终端的各个构成部件进行具体的介绍：
RF电路110可用于收发信息，例如，与核心网设备或接入网设备进行信息交互，并将接收到的信息给处理器150处理。通常，RF电路110包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器(英文：Low  Noise Amplifier，LNA)、双工器等。此外，RF电路110还可以通过无线通信网络和其他设备进行通信。其中，无线通信可以采用任一通信标准或协议，包括但不限于全球移动通讯系统(英文：Global System of Mobile communication，GSM)、通用分组无线服务(英文：General Packet Radio Service，GPRS)、码分多址(英文：Code Division Multiple Access，CDMA)、宽带码分多址(英文：Wideband Code Division Multiple Access，WCDMA)、长期演进(英文：Long Term Evolution，LTE)、电子邮件、短消息服务(英文：Short Messaging Service，SMS)等。
存储器120可用于存储软件程序以及模块，处理器150通过运行存储在存储器120的软件程序以及模块，从而使得该终端执行上述核心网异常挂断的处理方法。存储器120可主要包括存储程序区和存储数据区，其中，存储程序区可存储操作系统以及实现上述处理方法所需的应用程序等。存储数据区可存储预先设置的总重拨时长、重拨间隔等参数，以及统计的原因值、小区标识与核心网异常挂断的挂断次数的对应关系等。此外，存储器120可以为易失性存储器(英文：volatile memory)，例如随机存取存储器(英文：random-access memory，缩写：RAM)；所述存储器120也可以为非易失性存储器(英文：non-volatile memory)，例如只读存储器(英文：read-only memory，缩写：ROM)，快闪存储器(英文：flash memory)，硬盘(英文：hard disk drive，缩写：HDD)或固态硬盘(英文：solid-state drive，缩写：SSD)；所述存储器120还可以包括上述种类的存储器的组合。
输入单元130可用于接收用户输入的数字或字符信息，具体地，输入单元130可包括触控面板131以及其他输入设备132。触控面板131，也称为触摸屏，可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板131上或在触控面板131附近的操作)，并根据预先设定的程式驱动相应的连接装置。可选的，触控面板131可包括触摸检测装置和触摸控制器两个部分。其中，触摸检测装置检测用户的触摸方 位，并检测触摸操作带来的信号，将信号传送给触摸控制器；触摸控制器从触摸检测装置上接收触摸信息，并将它转换成触点坐标，再送给处理器150，并能接收处理器150发来的命令并加以执行。此外，输入单元130可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触控面板131。除了触控面板131，输入单元130还可以包括其他输入设备132。具体地，其他输入设备132可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆等中的一种或多种。
显示单元140可用于显示用户输入的信息或提供给用户的信息等。显示单元140可包括显示面板141，可选的，可以采用液晶显示器(英文：Liquid Crystal Display，LCD)、有机发光二极管(英文：Organic Light-Emitting Diode，OLED)等形式来配置显示面板141。进一步的，触控面板131可覆盖显示面板141，当触控面板131检测到在其上或附近的触摸操作后，传送给处理器150以确定触摸事件的类型，随后处理器150根据触摸事件的类型在显示面板141上提供相应的视觉输出。虽然在图5中，触控面板131与显示面板141是作为两个独立的部件来实现终端的输入和输出功能，但是在某些实施例中，可以将触控面板131与显示面板141集成而实现终端的输入和输出功能。
处理器150是终端的控制中心，利用各种接口和线路连接整个终端的各个部分，通过运行或执行存储在存储器120内的软件程序和/或模块，以及调用存储在存储器120内的数据，执行核心网异常挂断的处理方法。可选的，处理器150可包括一个或多个处理单元。优选的，处理器150可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序等，调制解调处理器主要处理无线通信。可以理解的是，上述调制解调处理器也可以不集成到处理器150中。
其中，处理器150包括接入层151和非接入层152两部分的功能，具体实现时通过接入层151和非接入层152的相互配合共同完成核心网异常挂断 的处理方法。
终端还包括给各个部件供电的电源160(比如电池)，优选的，电源可以通过电源管理系统与处理器150逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。
其中，处理器150，用于当通过所述射频电路110接收到核心网异常挂断的通知消息时，从所述通知消息中获取本次核心网异常挂断的原因值；当确认所述原因值存在于预先配置的第一原因值列表中时，进行重拨。
在一个示例中，所述处理器150执行所述当确认所述原因值存在于预先配置的第一原因值列表中时，进行重拨的操作，包括：当确认所述原因值存在于预先配置的第一原因值列表中时，在预先设置的总重拨时长内，每经过一个重拨间隔，进行一次重拨。
在一个示例中，所述处理器150执行进行重拨的操作，包括：从所述通知消息中获取所述终端所属的服务小区的小区标识；确定所述原因值、所述小区标识对应的核心网异常挂断的挂断次数；当所述挂断次数小于第一门限次数时，以所述小区标识对应的小区作为服务小区进行重拨；当所述挂断次数大于或等于所述第一门限次数且小于第二门限次数时，确认所述原因值存在于预先配置的第二原因值列表中，以非所述小区标识对应的小区作为服务小区进行重拨；当所述挂断次数大于或等于所述第二门限次数时，确认所述原因值存在于预先配置的第二原因值列表中，经过一个重拨间隔，以非所述小区标识对应的小区作为服务小区进行一次重拨，以及，设置所述小区标识对应的小区在惩罚时间内为接入层惩罚小区。
在一个示例中，所述处理器150执行所述设置所述小区标识对应的小区在惩罚时间内为接入层惩罚小区的操作，包括：确定所述小区标识对应的小区被设置为接入层惩罚小区的次数；根据初始惩罚时间和所述小区标识对应的小区被设置为接入层惩罚小区的次数，确定本次惩罚时间；设置所述小区标识对应的小区在所述本次惩罚时间内为接入层惩罚小区。
在一个示例中，所述处理器150执行所述进行重拨的操作之前，所述处理器150还用于：确认所述通知消息中不携带用于指示播放回铃音的指示信息。
尽管未示出，终端还可以包括摄像头、蓝牙模块、传感器、音频电路、USB模块等，在此不再赘述。
图6为本发明实施例提供的终端的另一种结构示意图，该终端用于执行本发明实施例提供的核心网异常挂断的处理方法，该终端包括：
接收单元601，用于接收核心网异常挂断的通知消息；
其中，接收单元601具体可以为图5所示的射频电路110。
处理单元602，用于当接收单元601接收到核心网异常挂断的通知消息时，从所述通知消息中获取本次核心网异常挂断的原因值；当确认所述原因值存在于预先配置的第一原因值列表中时，进行重拨。
其中，处理单元602具体可以为图5所示的处理器150。
在一个示例中，处理单元602，具体用于当确认所述原因值存在于预先配置的第一原因值列表中时，在预先设置的总重拨时长内，每经过一个重拨间隔，进行一次重拨。
在一个示例中，处理单元602，具体用于从所述通知消息中获取所述终端所属的服务小区的小区标识；确定所述原因值、所述小区标识对应的核心网异常挂断的挂断次数；当所述挂断次数小于第一门限次数时，以所述小区标识对应的小区作为服务小区进行重拨；当所述挂断次数大于或等于所述第一门限次数且小于第二门限次数时，确认所述原因值存在于预先配置的第二原因值列表中，以非所述小区标识对应的小区作为服务小区进行重拨；当所述挂断次数大于或等于所述第二门限次数时，确认所述原因值存在于预先配置的第二原因值列表中，以非所述小区标识对应的小区作为服务小区进行重拨，以及，设置所述小区标识对应的小区在惩罚时间内为接入层惩罚小区。
在一个示例中，处理单元602，具体用于确定所述小区标识对应的小区被 设置为接入层惩罚小区的次数；根据初始惩罚时间和所述小区标识对应的小区被设置为接入层惩罚小区的次数，确定本次惩罚时间；设置所述小区标识对应的小区在所述本次惩罚时间内为接入层惩罚小区。
在一个示例中，处理单元602，还用于在进行重拨之前，确认所述通知消息中不携带用于指示播放回铃音的指示信息。
专业人员应该还可以进一步意识到，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、计算机软件或者二者的结合来实现，为了清楚地说明硬件和软件的可互换性，在上述说明中已经按照功能一般性地描述了各示例的组成及步骤。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发明的范围。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分步骤是可以通过程序来指令处理器完成，所述的程序可以存储于计算机可读存储介质中，所述存储介质是非短暂性(英文：non-transitory)介质，例如随机存取存储器，只读存储器，快闪存储器，硬盘，固态硬盘，磁带(英文：magnetic tape)，软盘(英文：floppy disk)，光盘(英文：optical disc)及其任意组合。
以上所述，仅为本发明较佳的具体实施方式，但本发明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发明揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应该以权利要求的保护范围为准。

Claims (10)

  1. 一种核心网异常挂断的处理方法，其特征在于，所述方法包括：
    当终端接收到核心网异常挂断的通知消息时，从所述通知消息中获取本次核心网异常挂断的原因值；
    所述终端确认所述原因值是否存在于预先配置的第一原因值列表中；
    当所述终端确认所述原因值存在于所述预先配置的第一原因值列表中时，进行重拨。
  2. 如权利要求1所述的方法，其特征在于，所述当所述终端确认所述原因值存在于预先配置的第一原因值列表中时，进行重拨，包括：
    当所述终端确认所述原因值存在于预先配置的第一原因值列表中时，在预先设置的总重拨时长内，每经过一个重拨间隔，进行一次重拨。
  3. 如权利要求1或2所述的方法，其特征在于，所述终端进行重拨，包括：
    所述终端从所述通知消息中获取所述终端所属的服务小区的小区标识；
    确定所述原因值、所述小区标识对应的核心网异常挂断的挂断次数；
    当所述挂断次数小于第一门限次数时，以所述小区标识对应的小区作为服务小区进行重拨；
    当所述挂断次数大于或等于所述第一门限次数且小于第二门限次数时，确认所述原因值存在于预先配置的第二原因值列表中，以非所述小区标识对应的小区作为服务小区进行重拨；
    当所述挂断次数大于或等于所述第二门限次数时，确认所述原因值存在于预先配置的第二原因值列表中，以非所述小区标识对应的小区作为服务小区进行重拨，以及，设置所述小区标识对应的小区在惩罚时间内为接入层惩罚小区。
  4. 如权利要求3所述的方法，其特征在于，所述设置所述小区标识对应的小区在惩罚时间内为接入层惩罚小区，包括：
    确定所述小区标识对应的小区被设置为接入层惩罚小区的次数；
    根据初始惩罚时间和所述小区标识对应的小区被设置为接入层惩罚小区的次数，确定本次惩罚时间；
    设置所述小区标识对应的小区在所述本次惩罚时间内为接入层惩罚小区。
  5. 如权利要求1至4中任一项所述的方法，其特征在于，所述终端进行重拨之前，所述方法还包括：
    确认所述通知消息中不携带用于指示播放回铃音的指示信息。
  6. 一种终端，其特征在于，所述终端包括：射频电路和处理器；
    所述处理器，用于当通过所述射频电路接收到核心网异常挂断的通知消息时，从所述通知消息中获取本次核心网异常挂断的原因值；当确认所述原因值存在于预先配置的第一原因值列表中时，进行重拨。
  7. 如权利要求6所述的终端，其特征在于，所述处理器执行所述当确认所述原因值存在于预先配置的第一原因值列表中时，进行重拨的操作，包括：
    当确认所述原因值存在于预先配置的第一原因值列表中时，在预先设置的总重拨时长内，每经过一个重拨间隔，进行一次重拨。
  8. 如权利要求6或7所述的终端，其特征在于，所述处理器执行进行重拨的操作，包括：
    从所述通知消息中获取所述终端所属的服务小区的小区标识；
    确定所述原因值、所述小区标识对应的核心网异常挂断的挂断次数；
    当所述挂断次数小于第一门限次数时，以所述小区标识对应的小区作为服务小区进行重拨；
    当所述挂断次数大于或等于所述第一门限次数且小于第二门限次数时，确认所述原因值存在于预先配置的第二原因值列表中，以非所述小区标识对应的小区作为服务小区进行重拨；
    当所述挂断次数大于或等于所述第二门限次数时，确认所述原因值存在 于预先配置的第二原因值列表中，经过一个重拨间隔，以非所述小区标识对应的小区作为服务小区进行一次重拨，以及，设置所述小区标识对应的小区在惩罚时间内为接入层惩罚小区。
  9. 如权利要求8所述的终端，其特征在于，所述处理器执行所述设置所述小区标识对应的小区在惩罚时间内为接入层惩罚小区的操作，包括：
    确定所述小区标识对应的小区被设置为接入层惩罚小区的次数；
    根据初始惩罚时间和所述小区标识对应的小区被设置为接入层惩罚小区的次数，确定本次惩罚时间；
    设置所述小区标识对应的小区在所述本次惩罚时间内为接入层惩罚小区。
  10. 如权利要求6至9中任一项所述的终端，其特征在于，所述处理器执行所述进行重拨的操作之前，所述处理器还用于：
    确认所述通知消息中不携带用于指示播放回铃音的指示信息。
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