WO2016106777A1 - 电路域回落终端通信处理方法和设备 - Google Patents

电路域回落终端通信处理方法和设备 Download PDF

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Publication number
WO2016106777A1
WO2016106777A1 PCT/CN2015/070057 CN2015070057W WO2016106777A1 WO 2016106777 A1 WO2016106777 A1 WO 2016106777A1 CN 2015070057 W CN2015070057 W CN 2015070057W WO 2016106777 A1 WO2016106777 A1 WO 2016106777A1
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Prior art keywords
cell
network
terminal
csfb
called
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PCT/CN2015/070057
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English (en)
French (fr)
Inventor
李磊
岑飞
Original Assignee
华为技术有限公司
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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 PCT/CN2015/070057 priority Critical patent/WO2016106777A1/zh
Priority to CN201580002498.8A priority patent/CN106063358B/zh
Publication of WO2016106777A1 publication Critical patent/WO2016106777A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access

Definitions

  • the embodiments of the present invention relate to the field of communications technologies, and in particular, to a circuit domain fallback terminal communication processing method and device.
  • 4G networks for communication, such as Circuit Switched Fallback (CSFB), Global Mobile.
  • the communication system Global System for Mobile communication, GSM for short
  • Long Term Evolution (LTE) synchronization support Simultaneous GSM and LTE, SGLTE for short
  • voice and LTE synchronization support Simultaneous Voice and LTE, referred to as: SVLTE
  • LTE-based voice Voice over LTE, VoLTE for short
  • CSFB refers to a technology in which a terminal falls back from a 4G network to a 2G or 3G network circuit circuit (Circuit Switched, CS for short) in a region covered by a 4G network and a 2G/3G network.
  • the terminal is currently using a 4G network for communication. If the terminal is called, the terminal will switch from the 4G network to the 2G or 3G network for voice service.
  • a voice service failure occurs when a terminal that supports CSFB is used as a called party to switch from a 4G network to a 2G or 3G network for voice service.
  • the 4G network does not have a 2G or 3G network neighboring cell, or the terminal performs CSFB joint registration, and the packet switching (PS switching) domain is registered in the 4G network without registering circuit switching in the 2G or 3G network ( Circuit Switch (CS) domain, or the 4G network cell where the terminal is currently located is different from the location area of the 2G or 3G network cell; in the above network configuration state, when the terminal is switched from the 4G network to the 2G or 3G network for voice When the service is in progress, the voice service fails.
  • PS switching Packet Control Function
  • Embodiments of the present invention provide a CSFB terminal communication processing method and device, which are used to ensure a terminal. Successful voice communication as a called party improves the CSFB called call rate.
  • an embodiment of the present invention provides a CSFB terminal communication processing method, including: determining, by a terminal, that a first 4G network cell is a CSFB called failed cell, and the CSFB called a failed cell is caused by a preset cause that the CSFB is called failed. a 4G network cell, where the first 4G network cell is a current serving cell of the terminal;
  • the terminal When the terminal does not perform data service, the terminal changes the registration network from a 4G network to a 2G or 3G network.
  • the terminal after the terminal changes the registration network from the 4G network to the 2G or 3G network, the terminal further includes:
  • the terminal When the terminal initiates a data service, the terminal changes the registration network from the 2G or 3G network to the 4G network.
  • a second possible implementation manner of the first aspect after the determining, by the terminal, that the first 4G network cell is a CSFB called failed cell, :
  • the terminal sends a CSFB call failure report to the server, the CSFB call failure report includes an identifier of the first 4G network cell, and the CSFB call failure report is used to indicate that the first 4G network cell is the CSFB is called a failed cell.
  • the terminal determines the first 4G
  • the network cell is a CSFB called cell that fails, including:
  • the terminal determines that the CSFB of the terminal fails to be called
  • the terminal determines that the first 4G network cell is the CSFB called failed cell.
  • the terminal determines the first 4G before the network cell is a CSFB called a failed cell, it also includes:
  • the terminal Receiving, by the terminal, the first indication information that is sent by the server, where the first indication information includes an identifier of the first 4G network cell, and the first indication information is used to indicate that the first 4G network cell is the CSFB Called failed cell;
  • the terminal determines that the first 4G network cell is a CSFB called failed cell, and the terminal determines that the first 4G network cell is a CSFB called failed cell according to the first indication information.
  • the terminal determines that the first 4G network cell is After CSFB is called a failed cell, it also includes:
  • the terminal records the identifier of the first 4G network cell in the CSFB called failed cell list of the terminal.
  • the terminal determines the first 4G The network cell is a CSFB called a failed cell, and includes: when the CSFB called the failed cell list of the terminal includes the identifier of the first 4G network cell, the terminal determines that the first 4G network cell is a CSFB called Failed cell.
  • the method further includes: from the first 4G network When the identifier of the cell is recorded in the CSFB called cell list, the terminal deletes the identifier of the first 4G network cell in the CSFB called cell list.
  • the method further includes:
  • the terminal Receiving, by the terminal, the second indication information that is sent by the server, where the second indication information includes an identifier of the first 4G network cell, where the second indication information is used to indicate that the first 4G network cell is not Said CSFB is called a failed cell;
  • the terminal deletes the identifier of the first 4G network cell in the CSFB called cell list.
  • the preset cause includes at least one of the following :
  • the terminal registers a Packet Switching (PS) domain of the 4G network but does not register a CS domain of the 2G or 3G network;
  • PS Packet Switching
  • the 2G or 3G network cell is not configured in the neighboring cell of the first 4G network cell.
  • an embodiment of the present invention provides a CSFB terminal communication processing method, including:
  • a CSFB call failure report sent by at least one terminal of the first 4G network cell service, where the CSFB call failure report includes an identifier of the first 4G network cell, and the CSFB sent by each terminal is called
  • the failure report is used to indicate that the first 4G network cell is a CSFB called failed cell, and the CSFB called failed cell is a 4G network cell that fails CSFB to be called by a preset cause;
  • the server Transmitting, by the server, the first indication information to all the terminals served by the first 4G network cell, where the first indication information includes an identifier of the first 4G network cell, where the first indication information is used to indicate the The first 4G network cell is the CSFB called failed cell.
  • the method before the sending, by the server, the first indication information to all the terminals served by the first 4G network cell, the method further includes:
  • the server determines that the number of the CSFB called failure reports received in the second preset time period is greater than the first preset value.
  • the server broadcasts the first indication to all the terminals in the first 4G network cell After the information, it also includes:
  • the server Transmitting, by the server, the second indication information to all the terminals served by the first 4G network cell, where the second indication information includes an identifier of the first 4G network cell, where the second indication information is used to indicate the The first 4G network cell is not called the CSFB failed cell.
  • the server determines that the number of the CSFB called failure reports received in the third preset time period is less than a second preset value, wherein the second preset value is smaller than the first preset value.
  • the preset cause includes at least one of the following :
  • the terminal registers the PS domain of the 4G network but does not register the CS domain of the 2G or 3G network;
  • the location area of the 2G or 3G network cell to which the terminal is handed over is different from the location area of the first 4G network cell;
  • the 2G or 3G network cell is not configured in the neighboring cell of the first 4G network cell.
  • an embodiment of the present invention provides a terminal, including:
  • a determining unit configured to determine that the first 4G network cell is a circuit domain fallback CSFB called failed cell, and the CSFB called failed cell is a 4G network cell that is caused by a preset cause CSFB called to fail, the first 4G network cell Being the current serving cell of the terminal;
  • the processing unit is configured to change the registration network from a 4G network to a 2G or 3G network when the terminal does not perform data services.
  • the processing unit is further configured to: after the registration network is changed from a 4G network to a 2G or 3G network, when the terminal initiates a data service, the registration network is configured by The 2G or 3G network is changed to the 4G network.
  • the method further includes:
  • a sending unit configured to send a CSFB called failure report to the server after the determining unit determines that the first 4G network cell is a CSFB called failed cell, where the CSFB called failure report includes the identifier of the first 4G network cell
  • the CSFB called failure report is used to indicate that the first 4G network cell is the CSFB called failed cell.
  • the determining unit is specifically used to Determining that the CSFB of the terminal fails; obtaining the cause of the CSFB call failure of the terminal; and determining that the reason is that the reason for the CSFB call failure of the terminal belongs to the preset cause A 4G network cell is the CSFB called failed cell.
  • the method further includes:
  • a receiving unit configured to: before the determining unit determines that the first 4G network cell is a CSFB called failed cell, receive the first indication information that is sent by the server, where the first indication information includes the identifier of the first 4G network cell The first indication information is used to indicate that the first 4G network cell is the CSFB called failed cell;
  • the determining unit is specifically configured to: determine, according to the first indication information, that the first 4G network cell is a CSFB called failed cell.
  • the processing unit is further used in After determining that the first 4G network cell is a CSFB called failed cell, the determining unit records the identifier of the first 4G network cell in the CSFB called failed cell list of the terminal.
  • the determining unit is specifically used to When the CSFB called the failed cell list of the terminal includes the identifier of the first 4G network cell, determining that the first 4G network cell is a CSFB called failed cell.
  • the processing unit is further configured to Deleting the first 4G network cell in the CSFB called failed cell list when the identifier of the first 4G network cell is recorded in the CSFB called failed cell list for a first preset time period Logo.
  • the method further includes:
  • a second receiving unit configured to receive the second indication information that is sent by the server, where the second indication information includes an identifier of the first 4G network cell, where the second indication information is used to indicate the first 4G network
  • the cell is not called the CSFB failed cell
  • the processing unit is further configured to delete an identifier of the first 4G network cell in the CSFB called cell list.
  • the preset cause includes at least one of the following :
  • the terminal registers the PS domain of the 4G network but does not register the CS domain of the 2G or 3G network;
  • the location area of the 2G or 3G network cell to which the terminal is handed over is different from the location area of the first 4G network cell;
  • the 2G or 3G network cell is not configured in the neighboring cell of the first 4G network cell.
  • an embodiment of the present invention provides a server, including:
  • a receiving unit configured to receive a circuit domain fallback CSFB called failure report sent by at least one terminal of the first 4G network cell service, where the CSFB called failure report includes an identifier of the first 4G network cell, and each of the terminals
  • the sent CSFB called failure report is used to indicate that the first 4G network cell is a CSFB called failed cell, and the CSFB called failed cell is a 4G network cell that fails CSFB to be called by a preset cause;
  • a sending unit configured to broadcast, to the first service, the first indication information, where the first indication information includes an identifier of the first 4G network cell, where the first indication information is used to indicate The first 4G network cell is the CSFB called failed cell.
  • the method further includes:
  • a first determining unit configured to determine, after the sending unit broadcasts the first indication information to all the terminals served by the first 4G network cell, the CSFB call failure report received in the second preset time period The number is greater than the first preset value.
  • the sending unit is further configured to be in the first 4G network cell After the terminal broadcasts the first indication information, the second indication information is broadcasted to all the terminals served by the first 4G network cell, where the second indication information includes an identifier of the first 4G network cell, and the second indication The information is used to indicate that the first 4G network cell is not the failed cell of the CSFB called.
  • the method further includes:
  • the second determining unit is further configured to: before the sending, by the sending unit, the second indication information to be sent to all the terminals in the first 4G network cell, the method further includes:
  • the server determines that the number of the CSFB called failure reports received in the third preset time period is less than a second preset value, wherein the second preset value is smaller than the first preset value.
  • the preset cause includes at least one of the following :
  • the terminal registers the PS domain of the 4G network but does not register the CS domain of the 2G or 3G network;
  • the location area of the 2G or 3G network cell to which the terminal is handed over is different from the location area of the first 4G network cell;
  • the 2G or 3G network cell is not configured in the neighboring cell of the first 4G network cell.
  • an embodiment of the present invention provides a terminal, including: a transceiver and a processor;
  • the transceiver is configured to communicate with the outside of the terminal;
  • the processor is configured to determine that the first 4G network cell is a CSFB called failed cell, and the CSFB called failed cell is a 4G network cell that fails the CSFB call by the preset cause, where the first 4G network cell is The current serving cell of the terminal; when the terminal does not perform data service, the registration network is changed from a 4G network to a 2G or 3G network.
  • the processor is further configured to: after the registration network is changed from a 4G network to a 2G or 3G network, when the terminal initiates a data service, the registration network is configured by The 2G or 3G network is changed to the 4G network.
  • the processor is further configured to:
  • the server After determining that the first 4G network cell is a CSFB called failed cell, sending, by the transceiver, a CSFB called failure report to the server, where the CSFB called failure report includes the identifier of the first 4G network cell, where The CSFB called failure report is used to indicate that the first 4G network cell is the CSFB called failed cell.
  • the method is specifically configured to: determine that the CSFB of the terminal fails, and obtain a reason for causing the CSFB of the terminal to fail, when the CSFB of the terminal is caused When the reason for the failed call belongs to the preset cause, it is determined that the first 4G network cell is the CSFB called failed cell.
  • the processor is further used to Before the determining that the first 4G network cell is a CSFB called cell, the first indication information that is sent by the server is received by the transceiver, where the first indication information includes an identifier of the first 4G network cell, The first indication information is used to indicate that the first 4G network cell is the CSFB called failed cell;
  • the processor is further configured to: determine After the first 4G network cell is the CSFB called the failed cell, the identifier of the first 4G network cell is recorded in the CSFB called failed cell list of the terminal.
  • a 4G network cell is a CSFB called a failed cell
  • the method is specifically configured to: when the CSFB called the failed cell list of the terminal includes the identifier of the first 4G network cell, determine that the first 4G network cell is CSFB The called party failed.
  • the processor is further used to Deleting the identifier of the first 4G network cell in the CSFB called failed cell list for a first preset time period, deleting the first 4G network cell in the CSFB called failed cell list Logo.
  • the processor is further configured to: Receiving, by the transceiver, the second indication information that is sent by the server, where the second indication information includes an identifier of the first 4G network cell, where the second indication information is used to indicate that the first 4G network cell is not the CSFB is called a failed cell;
  • the processor is further configured to delete an identifier of the first 4G network cell in the CSFB called cell list.
  • the preset cause includes at least one of the following :
  • the terminal registers the PS domain of the 4G network but does not register the CS domain of the 2G or 3G network;
  • the location area of the 2G or 3G network cell to which the terminal is handed over is different from the location area of the first 4G network cell;
  • the 2G or 3G network cell is not configured in the neighboring cell of the first 4G network cell.
  • an embodiment of the present invention provides a server, including: a processor and a transceiver;
  • the transceiver is configured to communicate with an outside of the server;
  • the processor configured to receive, by the transceiver, a CSFB called failure report sent by at least one terminal of a first 4G network cell service, where the CSFB called failure report includes an identifier of the first 4G network cell, where The CSFB called failure report sent by the terminal is used to indicate that the first 4G network cell is a CSFB called failed cell, and the CSFB called failed cell is a 4G network that fails CSFB to be called by a preset cause. And transmitting, by the transceiver, the first indication information to all terminals served by the first 4G network cell by the transceiver.
  • the processor is further configured to: before transmitting, by using the transceiver, the first indication information to all the terminals that are served by the first 4G network cell, The number of the CSFB called failure reports received during the second preset time period is greater than the first preset value.
  • the processor is further configured to pass the transceiver to the first After the first indicator information is broadcasted by all the terminals in the 4G network, the second indication information is broadcasted by the transceiver to all the terminals served by the first 4G network cell, where the second indication information includes the first 4G.
  • the processor is further configured to: go to the first 4G network cell by using the transceiver Before the second terminal sends the second indication information, the number of the CSFB call failure report received in the third preset time period is determined to be less than the second preset value, wherein the second preset value is smaller than the second preset value The first preset value is described.
  • the preset cause includes at least one of the following :
  • the terminal registers the PS domain of the 4G network but does not register the CS domain of the 2G or 3G network;
  • the location area of the 2G or 3G network cell to which the terminal is handed over is different from the location area of the first 4G network cell;
  • the 2G or 3G network cell is not configured in the neighboring cell of the first 4G network cell.
  • the CSFB terminal communication processing method and device provided by the embodiment of the present invention, after the terminal determines that the first 4G network cell is a CSFB called failed cell, when the terminal does not perform data service, The terminal changes the registration network from the 4G network to the 2G or 3G network, thereby ensuring that the terminal can successfully perform voice communication when the terminal is called, and improves the called call rate of the CSFB.
  • Embodiment 1 is a flowchart of Embodiment 1 of a CSFB terminal communication processing method according to the present invention
  • Embodiment 2 is a flowchart of Embodiment 2 of a CSFB terminal communication processing method according to the present invention
  • Embodiment 3 is a flowchart of Embodiment 3 of a CSFB terminal communication processing method according to the present invention.
  • Embodiment 4 is a flowchart of Embodiment 4 of a CSFB terminal communication processing method according to the present invention.
  • Embodiment 5 is a flowchart of Embodiment 5 of a CSFB terminal communication processing method according to the present invention.
  • Embodiment 1 of a terminal according to the present invention is a schematic structural diagram of Embodiment 1 of a terminal according to the present invention.
  • Embodiment 7 is a schematic structural diagram of Embodiment 2 of a terminal according to the present invention.
  • FIG. 8 is a schematic structural diagram of Embodiment 1 of a server according to the present invention.
  • Embodiment 9 is a schematic structural diagram of Embodiment 2 of a server according to the present invention.
  • Embodiment 3 of a terminal according to the present invention is a schematic structural diagram of Embodiment 3 of a terminal according to the present invention.
  • FIG. 11 is a schematic structural diagram of Embodiment 3 of a server according to the present invention.
  • FIG. 1 is a flowchart of Embodiment 1 of a CSFB terminal communication processing method according to the present invention. As shown in FIG. 1 , the method in this embodiment may include:
  • the terminal determines that the first 4G network cell is a CSFB called failed cell, and the CSFB called failed cell is a 4G network cell that fails CSFB to be called by a preset cause, where the first The 4G network cell is the current serving cell of the terminal.
  • the current serving cell of the terminal is a first 4G network cell
  • the terminal may determine whether the first 4G network cell is a CSFB called failed cell; the CSFB called failure refers to that after the terminal is voiced, The terminal fails to use the CSFB technology to switch from the 4G network to the 2G or 3G network; the CSFB called the failed cell is a 4G network cell whose CSFB is called by the preset cause; when the terminal determines the first 4G network The cell is not a CSFB called cell, if the first 4G network cell is a CSFB called successful cell (ie, the terminal is successfully called by the terminal in the first 4G network cell), or the first 4G network cell is excluded.
  • a reason other than the cause causes the CSFB to be called to fail the 4G network cell (ie, the CSFB of the terminal in the first 4G network cell fails to be called, the failure is caused by a reason other than the preset reason), and the terminal ends. a process; when the terminal determines that the first 4G network cell is a CSFB called failed cell, the terminal performs S102.
  • the terminal When the terminal does not perform data service, the terminal changes the registration network from a 4G network to a 2G or 3G network.
  • the terminal determines whether the terminal is currently performing data service; when the terminal determines that the terminal does not currently perform data service, the terminal will The registration network of the terminal is changed from a 4G network to a 2G or 3G network, that is, the terminal changes the communication network mode of the terminal from the 4G network mode to the 2G or 3G network mode; for example, if the terminal is a terminal using the China Mobile network, The terminal can change the communication network mode from the 4G network mode to the 2G network mode; if the terminal is a terminal using China Unicom, the terminal can change the registration network from the 4G network to the 3G network, thereby ensuring that the CSFB of the terminal is called.
  • the terminal determines that the terminal is currently performing data services, the terminal keeps the registration network as a 4G network, and the subsequent terminal determines that the terminal does not perform data services. Then, the registration network of the terminal is changed from a 4G network to a 2G or 3G network, thereby ensuring that the CSFB of the terminal is successfully called.
  • the CSFB is called the call rate.
  • the method further includes: when the terminal initiates a data service, the terminal changes the registration network from the 2G or 3G network to the 4G network. Specifically, when the terminal determines that the terminal initiates a data service, the terminal registers the network by 2G or 3G in order to ensure the data transmission rate when the terminal performs data service. The network is changed to a 4G network; when the terminal determines that the terminal is not performing data services, the terminal changes the registration network from the 4G network to the 2G or 3G network to ensure that the CSFB of the terminal is successfully called; The registration network can both guarantee the data transmission rate and increase the CSFB called call rate.
  • the CSFB terminal communication processing method provided by this embodiment, after the terminal determines that the first 4G network cell is a CSFB called failed cell, when the terminal determines that the terminal does not perform data service, the terminal changes the registration network from the 4G network to The 2G or 3G network ensures that the terminal can successfully perform voice communication when it is called, and improves the called rate of CSFB.
  • FIG. 2 is a flowchart of Embodiment 2 of a CSFB terminal communication processing method according to the present invention. As shown in FIG. 2, the method in this embodiment may include:
  • the terminal determines that the CSFB of the terminal fails to be called.
  • the serving cell of the terminal is the first 4G network cell, and the terminal may determine whether the CSFB call of the terminal fails. Specifically, when the CSFB of the terminal fails to be called, the modem bottom layer of the terminal may learn the The CSFB of the terminal was called to fail.
  • the terminal determines a cause of causing the CSFB of the terminal to be called to fail.
  • the terminal determines that the first 4G network cell is the CSFB called failed cell.
  • the terminal acquires the cause of the CSFB call failure of the terminal, and then the terminal determines whether the cause of the CSFB call failure of the terminal belongs to the preset.
  • the reason is that when the terminal determines that the cause of the CSFB call failure of the terminal does not belong to the preset cause, the terminal ends the process; when the terminal determines that the CSFB call failure of the terminal is a preset cause, the terminal may determine The first 4G network cell is a CSFB called failed cell.
  • the preset reason includes at least one of the following: the terminal registers the PS domain of the 4G network but does not register the CS domain of the 2G or 3G network, and the location area of the 2G or 3G network cell to which the terminal switches to The location area of the first 4G network cell is different, and the 2G or 3G network cell is not configured in the neighboring cell of the first 4G network cell.
  • the terminal initiates a location update (English: Local Area Update, LAU for short) when the location area of the 2G network cell to which the terminal is handed over is different from the location area of the first 4G network cell.
  • the terminal when the terminal acquires the CSFB that causes the terminal to be called
  • the reason for the failure is that the terminal registers the PS domain of the 4G network and does not register the CS domain of the 2G or 3G network, the terminal determines that the first 4G network cell is a CSFB called failed cell; specifically, the terminal can acquire the The CSFB joint registration information of the terminal, if the terminal learns from the CSFB joint registration information of the terminal that the terminal only registers the PS domain of the 4G network and does not register the CS domain of the 2G or 3G network, the terminal determines that the terminal is caused by the terminal.
  • the reason why CSFB is called failed is the default reason.
  • the reason that the terminal acquires the CSFB called the terminal fails is the location area of the 2G or 3G network cell to which the terminal is handed over and the location of the first 4G network cell.
  • the terminal determines that the first 4G network cell is a CSFB called cell; in particular, the terminal can learn from the log record of the terminal that the terminal has CSFB to 2G or 3G network cell, and then determine whether The location area of the 2G or 3G network cell is different from the location area of the first 4G network cell, and the LAU is initiated. If yes, the terminal determines that the reason for the CSFB call failure of the terminal belongs to a preset cause.
  • the terminal determines The first 4G network cell is a CSFB called cell; in particular, the terminal can determine whether the terminal switches to the 2G network cell. If not, the terminal traverses the log record of the terminal and traverses the network side device.
  • the neighboring cell information of the first 4G network cell is used to view the neighboring cell information of the first 4G network cell to obtain whether the first 4G network cell is configured with a 2G or 3G neighboring cell, and if the first 4G network cell is determined, If the neighboring cell information is not configured with a 2G or 3G neighboring cell, the terminal determines that the reason for causing the CSFB to be called by the terminal to fail is a preset cause.
  • the terminal may first determine whether the cause of the CSFB call failure of the terminal is that the terminal registers the packet switched PS domain of the 4G network but does not register the circuit switched CS domain of the 2G or 3G network; if not, The terminal determines whether the cause of the CSFB call failure of the terminal is that the location area of the 2G or 3G network cell to which the terminal is handed over is different from the location area of the first 4G network cell; if not, the terminal A reason for determining that the CSFB called the terminal failed is that the 2G or 3G network cell is not configured in the neighboring cell of the first 4G network cell.
  • the terminal may determine that the first 4G network cell is not a CSFB called cell.
  • the terminal changes the registration network from a 4G network to a 2G or 3G network.
  • the terminal determines that the CSFB of the terminal fails, determines the cause of the CSFB call failure of the terminal, and then determines that the reason for the CSFB call failure of the terminal belongs to the pre-
  • the terminal determines that the first 4G network cell is the CSFB called failed cell, and then, when the terminal determines that the terminal does not perform data service, the terminal changes the registration network from the 4G network to 2G or 3G network. Therefore, the terminal can ensure successful voice communication when the terminal is called, and the CSFB called call rate is improved.
  • FIG. 3 is a flowchart of Embodiment 3 of a CSFB terminal communication processing method according to the present invention. As shown in FIG. 3, the method in this embodiment may include:
  • the terminal receives the first indication information that is sent by the server, where the first indication information includes an identifier of the first 4G network cell, where the first indication information is used to indicate that the first 4G network cell is the CSFB.
  • the called failed cell, the CSFB called the failed cell is a 4G network cell whose CSFB is called to be failed by a preset cause, and the first 4G network cell is the current serving cell of the terminal.
  • the terminal determines, according to the first indication information, that the first 4G network cell is a CSFB called failed cell.
  • the server broadcasts the first indication information to all the terminals served by the first 4G network cell, that is, the current serving cell of all the terminals is the first 4G network cell, and one of the terminals is taken as an example in this embodiment.
  • the CSFB called the failed cell is a 4G network cell whose CSFB is called to be failed by the preset cause, and then the terminal determines, according to the received first indication information, that the first 4G network cell is a CSFB called failed cell, and then performs S303.
  • the preset condition includes at least one of the following: the terminal registers a packet switched PS domain of a 4G network when jointly registering, and does not register a circuit switched CS domain of a 2G or 3G network, and the 2G that the terminal switches to Or the location area of the 3G network cell and the location area of the first 4G network cell are not
  • the 2G or 3G network cell is not configured in the neighboring cell of the first 4G network cell.
  • the terminal When the terminal does not perform data service, the terminal changes the registration network from a 4G network to a 2G or 3G network.
  • the first indication information that is sent by the server is received by the terminal, where the first indication information includes an identifier of the first 4G network cell, and the first indication information is used to indicate that the first 4G network cell is
  • the CSFB is called a failed cell, and the terminal determines, according to the first indication information, that the first 4G network cell is a CSFB called failed cell, and then when the terminal determines that the terminal does not perform data service,
  • the terminal changes the registration network from a 4G network to a 2G or 3G network. Therefore, the CSFB of the terminal is successfully called, and the called call rate of the CSFB is improved.
  • the terminal further includes: the identifier of the first 4G network cell by the terminal, on the basis of the second or third embodiment of the method of the present invention. Recorded in the CSFB called failed cell list of the terminal.
  • the terminal stores a CSFB called failed cell list, and the cell identifier stored in the CSFB called failed cell list is an identifier of the CSFB called failed cell, and therefore, the terminal determines the first 4G network cell.
  • the terminal After the CSFB is called the failed cell, the terminal records the identifier of the first 4G network cell in the CSFB called cell list of the terminal, and when the terminal determines that the terminal does not perform the data service, the terminal may
  • the CSFB called the failed cell list includes the identifier of the first 4G network cell, and the registration network is changed from the 4G network to the 2G or 3G network; that is, the terminal includes the first 4G network cell according to the CSFB called failed cell list.
  • the identifier determines that the first 4G network cell is a CSFB called failed cell, and then when the terminal determines that the terminal does not perform data service, the terminal changes the registration network from 4G to a 2G or 3G network.
  • the terminal changes the registration network from 4G to a 2G or 3G network to a 4G network.
  • the method may further include: the terminal sending a CSFB called failure report to the server, where the CSFB called failure report includes The identifier of the first 4G network cell, where the CSFB call failure report is used to indicate that the first 4G network cell is the CSFB called failed cell.
  • the terminal uses the first 4G.
  • the identifier of the network cell is sent to the server through a CSFB call failure report, and the server is a user experience plan server, and the CSFB call failure report is used to indicate that the first 4G network cell corresponding to the identifier is a CSFB called failed cell, that is, the terminal
  • the CSFB call in the first 4G network cell fails, and the CSFB call failure is caused by a preset cause.
  • the server may improve the first 4G network cell to prevent the first 4G network cell from failing due to a preset reason, and further Ensure that the CSFB of the terminal is successfully called, and improve the called rate of CSFB.
  • the server after the server receives the CSFB call failure report sent by the terminal, the server sends the first indication information to all terminals served by the first 4G network cell, so that all the terminals perform S301- in the third embodiment of the method of the present invention.
  • the server sends the first indication information to all terminals served by the first 4G network cell, so that all the terminals perform S301- in the third embodiment of the method of the present invention.
  • the terminal may further record time information in the CSFB called failed cell list, where the time information is that the terminal records the identifier of the first 4G network cell in the CSFB called failed cell list of the terminal. time.
  • the terminal may further delete the CSFB from a time when the identifier of the first 4G network cell is recorded in the CSFB called failed cell list of the terminal for a first preset time period.
  • the identifier of the first 4G network cell in the called failed cell list For example, a timer is set in the terminal, and when the identifier of the first 4G network cell is recorded in the CSFB called cell list, the timer is reset to 0 and the timer is started, and the timer is timed to the first preset.
  • the terminal refers to the identity of the first 4G network cell in the failed cell list of the CSFB.
  • the terminal may also delete the time.
  • the terminal may further receive the second indication information that is sent by the server, where the second indication information includes an identifier of the first 4G network cell, and the second indication information is used to indicate the first
  • the 4G network cell is not the CSFB called the failed cell; the terminal deletes the identifier of the first 4G network cell in the CSFB called failed cell list.
  • the server broadcasts the second indication information to all terminals served by the first 4G network cell.
  • the terminal receives the second indication information that is sent by the server, and the second indication information includes an identifier of the first 4G network cell, where the second indication information indicates that the first 4G network cell corresponding to the identifier is not CSFB.
  • the called failed cell and then the terminal determines, according to the received second indication information, that the first 4G network cell is not a CSFB called failed cell, and the terminal deletes the identifier of the first 4G network cell in the CSFB called failed cell list. If the CSFB called failure list further includes the time when the terminal records the identifier of the first 4G network cell in the CSFB called cell list of the terminal, the terminal may also delete the time, and then the terminal The operation is performed in accordance with the prior art.
  • Embodiment 4 is a flowchart of Embodiment 4 of a CSFB terminal communication processing method according to the present invention. As shown in FIG. 4, the method in this embodiment may include:
  • the terminal determines that the first 4G network cell is a CSFB called failed cell.
  • the CSFB called the failed cell is a 4G network cell that fails the CSFB to be called by the preset cause, and the first 4G network cell is the current serving cell of the terminal.
  • the terminal stores a CSFB called failed cell list, and the terminal may determine whether the CSFB called the failed cell list in the terminal includes the identifier of the first 4G network cell, and when the terminal determines that the CSFB is When the identifier of the first 4G network cell is not included in the failed cell list, the terminal determines that the first 4G network cell is not the CSFB called cell, and ends the process; when the terminal determines the CSFB called cell list When the identifier of the first 4G network cell is included, the terminal determines that the first 4G network cell is a CSFB called failed cell.
  • the terminal When the terminal does not perform data service, the terminal changes the registration network from a 4G network to a 2G or 3G network.
  • the terminal records the identifier of the first 4G network cell in the terminal.
  • the CSFB is called the implementation scheme in the failed cell list, and will not be described here.
  • the terminal may also delete the identifier of the first 4G network cell in the CSFB called cell list, and the specific implementation process may refer to the terminal deleting the CSFB.
  • the implementation scheme of the identifier of the first 4G network cell in the failed cell list is not described here.
  • the terminal determines that the first 4G network cell is a CSFB called failed cell according to the identifier of the first 4G network cell included in the CSFB called cell list of the terminal, and then determines, by the terminal, the terminal.
  • the terminal does not perform data service, and the terminal changes the registration network from a 4G network to a 2G or 3G network. Therefore, the CSFB of the terminal is successfully called, and the called call rate of the CSFB is improved.
  • Embodiment 5 is a flowchart of Embodiment 5 of a CSFB terminal communication processing method according to the present invention. As shown in FIG. 5, the method in this embodiment may include:
  • the server receives a CSFB call failure report sent by at least one terminal of the first 4G network cell service, where the CSFB call failure report includes an identifier of the first 4G network cell, and the CSFB sent by each terminal.
  • the called failure report is used to indicate that the first 4G network cell is a CSFB called failed cell, and the CSFB called failed cell is a 4G network cell that fails CSFB to be called by a preset cause.
  • the server may be a user experience planning server, and the server may receive the CSFB called the failed court sent by the at least one terminal of the first 4G network cell service, where the serving cell of the at least one terminal is the first 4G network.
  • a cell the first 4G network cell is any 4G network cell, and after the at least one terminal determines that the first 4G network cell is a CSFB called cell, the at least one terminal sends a CSFB call failure report to the server, where
  • any one of the at least one terminal may refer to the related description in the second embodiment of the method, and the details are not described herein;
  • the failed cell is a 4G network cell that fails the CSFB call by the preset cause, and the CSFB call failure report includes the identifier of the first 4G network cell, and the CSFB call failure report is used to indicate the first 4G network.
  • the cell is the CSFB called the failed cell
  • the preset cause includes at least one of the following: the terminal registers the PS domain of the 4G network, and does not register the CS domain of the 2G or 3G network, the location area of the 2G or 3G network cell to which the terminal switches, and the foregoing A location area of a 4G network cell is different, and a 2G or 3G network cell is not configured in a neighboring cell of the first 4G network cell.
  • the server broadcasts first indication information to all terminals served by the first 4G network cell, where the first indication information includes an identifier of the first 4G network cell, and the first indication information is used to indicate The first 4G network cell is the CSFB called failed cell.
  • the server after the server receives the CSFB call failure report sent by the at least one terminal of the first 4G network cell service, the server generates the first indication information according to the received at least one CSFB call failure report, and then the server Transmitting, by the serving cell, the first indication information for all terminals of the first 4G network cell, and correspondingly, after all the terminals receive the first indication information that is sent by the terminal, each terminal of the terminal may perform S302 and S303 in Embodiment 3 of the method of the present invention, and the specific implementation process is not described herein again.
  • the server before the executing the S502, the server further includes: the server determining that the number of the CSFB called failure reports received within the second preset time period is greater than a first preset value.
  • the server counts the number of CSFB call failure reports that are received by the first 4G network cell received in the second preset time period, and when the number is greater than the first preset value, The probability that the terminal in the first 4G network cell fails to send the CSFB call is high, and then the server performs S502 again.
  • the server receives the CSFB call failure report that is sent by the at least one terminal of the first 4G network cell service and includes the identifier of the first 4G network cell, and then broadcasts to all terminals served by the first 4G network cell.
  • the first indication information so that each terminal in the terminal determines that the terminal does not perform data service, and changes the registration network from the 4G network to the 2G or 3G network, thereby ensuring that the terminal can successfully perform voice when the terminal is called Communication improves the calling rate of CSFB.
  • the terminal further includes: the server broadcasts, to the all the terminals served by the first 4G network cell, second indication information, where the second indication information includes the first 4G network cell.
  • the second indication information is used to indicate that the first 4G network cell is not the CSFB called failed cell.
  • the server may broadcast the second indication information to all terminals served by the first 4G network cell, and accordingly, all the terminals receive
  • each terminal of the terminal may delete the identifier of the first 4G network cell in the CSFB called cell list in the terminal.
  • the method further includes: the server determining that the CSFB call received in the third preset time period fails The number of reports is less than the second preset value.
  • the server can also The number of CSFB call failure reports including the identifier of the first 4G network cell received in the third preset time period is counted, and when the number is greater than the second preset value, the first 4G network is indicated. The probability of the terminal transmitting the CSFB being called in the cell is low, and then the server broadcasts the second indication information to all the terminals served by the first 4G network cell; wherein the second preset value is smaller than the first pre-predetermined Set the value.
  • FIG. 6 is a schematic structural diagram of Embodiment 1 of the terminal of the present invention.
  • the terminal in this embodiment may include: a determining unit 11 and a processing unit 12, where the determining unit 11 is configured to determine that the first 4G network cell is The CSFB is called a failed cell, and the CSFB called the failed cell is a 4G network cell in which the CSFB is called to be failed by the preset cause, the first 4G network cell is the current serving cell of the terminal, and the processing unit 12 is configured to When the terminal does not perform data service, the registration network is changed from a 4G network to a 2G or 3G network.
  • the processing unit 12 is further configured to: after the registration network is changed from a 4G network to a 2G or 3G network, when the terminal initiates a data service, change the registration network from the 2G or 3G network to the 4G The internet.
  • the terminal in this embodiment may be used to perform the technical solution executed by the terminal in the foregoing method embodiments of the present invention.
  • the implementation principle and technical effects are similar, and details are not described herein again.
  • FIG. 7 is a schematic structural diagram of a second embodiment of a terminal according to the present invention.
  • the terminal of the present embodiment further includes: a sending unit 13 for determining a unit, based on the device structure shown in FIG. After determining that the first 4G network cell is a CSFB called failed cell, sending a CSFB called failure report to the server, where the CSFB called failure report includes the identifier of the first 4G network cell, and the CSFB is called a failure report. And indicating that the first 4G network cell is the CSFB called failed cell.
  • the determining unit 11 is specifically configured to determine that the CSFB of the terminal fails to be called; acquire a cause of causing the CSFB of the terminal to fail; when the CSFB that causes the terminal is called When the cause of the failure belongs to the preset cause, it is determined that the first 4G network cell is the CSFB called failed cell.
  • the terminal in this embodiment may further include: a receiving unit 14, where the receiving unit 14 is configured to receive before the determining unit 11 determines that the first 4G network cell is a CSFB called failed cell.
  • the first indication information that is sent by the server, the first indication information includes an identifier of the first 4G network cell, and the first indication information is used to indicate the first 4G network
  • the determining unit 11 is configured to: determine, according to the first indication information, that the first 4G network cell is a CSFB called failed cell according to the first indication information.
  • the processing unit 12 is further configured to: after the determining unit 11 determines that the first 4G network cell is a CSFB called failed cell, record the identifier of the first 4G network cell in the CSFB called failed cell of the terminal. List.
  • the determining unit 11 is specifically configured to: when the CSFB called the failed cell list of the terminal includes the identifier of the first 4G network cell, determine that the first 4G network cell is CSFB is called a failed cell.
  • the processing unit 12 is further configured to delete the CSFB when the first preset time period is separated from a time when the identifier of the first 4G network cell is recorded in the CSFB called failed cell list.
  • the identifier of the first 4G network cell in the failed cell list is called.
  • the terminal in this embodiment may further include: a second receiving unit 15, where the second receiving unit 15 is configured to receive second indication information that is sent by the server, where the second indication information includes the An identifier of a 4G network cell, where the second indication information is used to indicate that the first 4G network cell is not the CSFB called a failed cell; and the processing unit 12 is further configured to delete the CSFB called failed cell list.
  • the identifier of the first 4G network cell may further include: a second receiving unit 15, where the second receiving unit 15 is configured to receive second indication information that is sent by the server, where the second indication information includes the An identifier of a 4G network cell, where the second indication information is used to indicate that the first 4G network cell is not the CSFB called a failed cell; and the processing unit 12 is further configured to delete the CSFB called failed cell list. The identifier of the first 4G network cell.
  • the preset reason includes at least one of the following:
  • the terminal registers the PS domain of the 4G network but does not register the CS domain of the 2G or 3G network;
  • the location area of the 2G or 3G network cell to which the terminal is handed over is different from the location area of the first 4G network cell;
  • the 2G or 3G network cell is not configured in the neighboring cell of the first 4G network cell.
  • the terminal in this embodiment may be used to perform the technical solution executed by the terminal in the foregoing method embodiments of the present invention.
  • the implementation principle and technical effects are similar, and details are not described herein again.
  • the foregoing sending unit 13 may be a transmitter or a transceiver
  • the foregoing first receiving unit 14 and second receiving unit 15 may be a receiver or a transceiver
  • the two receiving units 15 can be integrated to form a transceiver unit, which is implemented as a transceiver corresponding to hardware.
  • the above obtaining unit 11 and the processing unit 12 may be embedded in the hardware of the terminal or in the memory of the terminal, or may be stored in the memory of the terminal in a software form, so that the processor calls the execution of the operations corresponding to the above units.
  • the processor can be a central processing unit (CPU), a microprocessor, a single chip microcomputer, or the like.
  • FIG. 8 is a schematic structural diagram of Embodiment 1 of a server according to the present invention.
  • the server in this embodiment may include: a receiving unit 21 and a sending unit 22, where the receiving unit 21 is configured to receive a first 4G network cell service.
  • the CSFB called the failure report sent by the at least one terminal includes the identifier of the first 4G network cell
  • the CSFB called failure report sent by each of the terminals is used to indicate the A 4G network cell is a CSFB called failed cell
  • the CSFB called failed cell is a 4G network cell whose CSFB is called to be failed by a preset reason
  • a sending unit 22 is configured to serve all the services of the first 4G network cell
  • the terminal broadcasts the first indication information, where the first indication information includes an identifier of the first 4G network cell, and the first indication information is used to indicate that the first 4G network cell is the CSFB called failed cell.
  • the server of this embodiment may be used to perform the technical solution executed by the server in the foregoing method embodiments of the present invention.
  • the implementation principle and technical effects are similar, and details are not described herein again.
  • FIG. 9 is a schematic structural diagram of a second embodiment of a server according to the present invention.
  • the server of the embodiment further includes: a first determining unit 23, based on the device structure shown in FIG.
  • the determining unit 23 is configured to determine, before the sending unit 22 broadcasts the first indication information to all the terminals served by the first 4G network cell, the CSFB called the failed report received in the second preset time period. The number is greater than the first preset value.
  • the sending unit 22 is further configured to: after transmitting the first indication information to all the terminals in the first 4G network cell, send, to the all the terminals served by the first 4G network cell, the second indication information, where The second indication information includes an identifier of the first 4G network cell, and the second indication information is used to indicate that the first 4G network cell is not the CSFB called failed cell.
  • the server in this embodiment may further include: a second determining unit 24, configured to send, by the sending unit 22, the second indication information to all terminals in the first 4G network cell.
  • the number of the CSFB called failure reports received in the third preset time period is determined to be smaller than the second preset value, wherein the second preset value is smaller than the first preset value.
  • the preset reason includes at least one of the following:
  • the terminal registers a packet switched PS domain of the 4G network but does not register a circuit switched CS domain of the 2G or 3G network;
  • the location area of the 2G or 3G network cell to which the terminal is handed over is different from the location area of the first 4G network cell;
  • the 2G or 3G network cell is not configured in the neighboring cell of the first 4G network cell.
  • the server of this embodiment may be used to perform the technical solution executed by the server in the foregoing method embodiments of the present invention.
  • the implementation principle and technical effects are similar, and details are not described herein again.
  • the above receiving unit 21 may be a receiver or a transceiver
  • the foregoing sending unit 22 may be a transmitter or a transceiver
  • the receiving unit 21 and the sending unit 22 may be integrated to form a transceiver unit, corresponding to hardware implementation.
  • the first determining unit 23 and the second determining unit 24 may be embedded in the processor of the server in hardware or may be stored in the memory of the server in a software format, so that the processor calls to execute the corresponding units. Operation.
  • the processor can be a CPU, a microprocessor, a microcontroller, or the like.
  • the terminal in this embodiment may include a transceiver 31 and a processor 32, and a transceiver for communicating with the outside of the terminal.
  • the terminal for determining that the first 4G network cell is a CSFB called failed cell, and the CSFB called failed cell is a 4G network cell that fails the CSFB call by a preset cause, where the first 4G network cell is the terminal
  • the current serving cell when the terminal does not perform data services, the registration network is changed from a 4G network to a 2G or 3G network.
  • the processor 32 is further configured to change the registration network from the 2G or 3G network to the 4G when the terminal initiates a data service after changing the registration network from the 4G network to the 2G or 3G network.
  • the internet is further configured to change the registration network from the 2G or 3G network to the 4G when the terminal initiates a data service after changing the registration network from the 4G network to the 2G or 3G network.
  • the processor 32 is further configured to: after determining that the first 4G network cell is a CSFB called failed cell, send a CSFB called failure report to the server by using the transceiver 31, where the CSFB called failure report includes the An identifier of a 4G network cell, where the CSFB called failure report is used to indicate that the first 4G network cell is the CSFB called failed cell.
  • the processor 32 when determining that the first 4G network cell is a CSFB called failed cell, the processor 32 is specifically configured to: determine that the CSFB of the terminal fails, acquire the CSFB that causes the terminal The reason why the called party fails is that when the reason that the CSFB called by the terminal fails causes the preset cause, the first 4G network cell is determined to be the CSFB called failed cell.
  • the processor 32 is further configured to: before determining that the first 4G network cell is a CSFB called failed cell, receive, by using the transceiver 31, first indication information that is sent by the server broadcast, where the first The indication information includes an identifier of the first 4G network cell, where the first finger The indication information is used to indicate that the first 4G network cell is the CSFB called failed cell;
  • the processor 32 is configured to determine, according to the first indication information, that the first 4G network cell is a CSFB called failed cell, when determining that the first 4G network cell is a CSFB called failed cell.
  • the processor 32 is further configured to: after determining that the first 4G network cell is a CSFB called failed cell, record the identifier of the first 4G network cell in the CSFB called failed cell list of the terminal.
  • the processor when determining that the first 4G network cell is a CSFB called cell, is specifically configured to: when the CSFB called the failed cell list of the terminal includes the identifier of the first 4G network cell, Determining that the first 4G network cell is a CSFB called failed cell.
  • the preset reason includes at least one of the following:
  • the terminal registers the PS domain of the 4G network but does not register the CS domain of the 2G or 3G network;
  • the location area of the 2G or 3G network cell to which the terminal is handed over is different from the location area of the first 4G network cell;
  • the 2G or 3G network cell is not configured in the neighboring cell of the first 4G network cell.
  • the terminal in this embodiment may further include a memory (not shown) for storing program code for executing the CSFB terminal communication processing method; the processor 32 is configured to call the program code in the memory to perform the foregoing operation. .
  • the terminal in this embodiment may be used to perform the technical solution executed by the terminal in the foregoing method embodiments of the present invention.
  • the implementation principle and technical effects are similar, and details are not described herein again.
  • FIG. 11 is a schematic structural diagram of Embodiment 3 of a server according to the present invention.
  • the server in this embodiment may include: a processor 41 and a transceiver 42.
  • the transceiver 42 is configured to communicate with the outside of the server.
  • the processor 41 is configured to receive, by the transceiver 42, a CSFB called failure report sent by at least one terminal of the first 4G network cell service, where the CSFB called failure report includes an identifier of the first 4G network cell, where each The CSFB called failure report sent by the terminal is used to indicate that the first 4G network cell is a CSFB called failed cell, and the CSFB called failed cell is a 4G network cell that fails CSFB to be called by a preset cause; And transmitting, by the transceiver 42, the first indication information to all terminals served by the first 4G network cell.
  • the processor 41 is configured to determine, before the first indicator information is broadcasted by the transceiver 42 to all the terminals served by the first 4G network cell, that the CSFB received in the second preset time period is The number of failed reports is greater than the first preset value.
  • the processor 41 is further configured to: after transmitting the first indication information to all the terminals in the first 4G network cell by the transceiver 42 , sending, by the transceiver 42 , the second indication information to all the terminals served by the first 4G network cell,
  • the second indication information includes an identifier of the first 4G network cell, and the second indication information is used to indicate that the first 4G network cell is not the CSFB called failed cell.
  • the processor 41 is further configured to determine, after the second indication information is broadcasted by the transceiver 42 to all the terminals in the first 4G network cell, the CSFB received in the third preset time period.
  • the number of the called failure reports is less than the second preset value, wherein the second preset value is smaller than the first preset value.
  • the preset reason includes at least one of the following:
  • the terminal registers the PS domain of the 4G network but does not register the CS domain of the 2G or 3G network;
  • the location area of the 2G or 3G network cell to which the terminal is handed over is different from the location area of the first 4G network cell;
  • the 2G or 3G network cell is not configured in the neighboring cell of the first 4G network cell.
  • the server of this embodiment may further include a memory (not shown) for storing program code for executing the CSFB terminal communication processing method; the processor 41 is configured to invoke the program code in the memory to perform the foregoing operation. .
  • the server of this embodiment may be used to perform the technical solution executed by the server in the foregoing method embodiments of the present invention.
  • the implementation principle and technical effects are similar, and details are not described herein again.
  • the foregoing program may be stored in a computer readable storage medium, and the program is executed when executed.
  • the foregoing storage medium includes: read-only memory (ROM), random access memory (RAM), disk or optical disc, and the like.
  • ROM read-only memory
  • RAM random access memory
  • disk or optical disc and the like.

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Abstract

一种电路域回落终端通信处理方法和设备，此方法包括：终端确定第一4G网络小区为CSFB被叫失败小区，所述CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区，所述第一4G网络小区为所述终端的当前服务小区（S101）；当所述终端未进行数据业务，所述终端将注册网络由4G网络更改为2G或3G网络（S102）。从而保证该终端作为被叫时可以成功进行语音通信，提高了CSFB被叫呼通率。

Description

电路域回落终端通信处理方法和设备 技术领域
本发明实施例涉及通信技术领域，尤其涉及一种电路域回落终端通信处理方法和设备。
背景技术
随着第四代移动通信(the 4th Generation Mobile Communication，简称：4G)技术的发展，目前很多用户开始采用4G网络进行通信，如可以采用电路域回落(Circuit Switched Fallback，简称：CSFB)、全球移动通信系统(Global System for Mobile communication，简称GSM)与长期演进(Long Term Evolution，简称：LTE)同步支持(Simultaneous GSM and LTE，简称：SGLTE)、语音与LTE同步支持(Simultaneous Voice and LTE，简称：SVLTE)和基于LTE的语音(Voice over LTE，简称：VoLTE)等技术进行语音业务。
其中，CSFB是指在4G网络和2G/3G网络共同覆盖的区域中，终端从4G网络回落到2G或3G网络使用电路域(Circuit Switched，简称：CS)进行语音业务的技术。例如，终端当前正采用4G网络进行通信，若该终端被呼叫时，该终端会由4G网络切换至2G或3G网络进行语音业务。
但是，在某些网络配置状态下，支持CSFB的终端作为被叫从4G网络切换到2G或3G网络进行语音业务时，会发生语音业务失败。例如：4G网络没有配置2G或3G网络相邻小区，或者，终端进行CSFB联合注册时在4G网络注册了分组交换(Packet switching，简称：PS)域而没有注册2G或3G网络中的电路交换(Circuit Switch，简称：CS)域，或者，终端当前所处的4G网络小区与2G或3G网络小区的位置区不同；在上述网络配置状态下，当终端由4G网络切换至2G或3G网络进行语音业务时，会发生语音业务失败。
发明内容
本发明实施例提供一种CSFB终端通信处理方法和设备，用于保证终端 作为被叫时成功进行语音通信，提高了CSFB被叫呼通率。
第一方面，本发明实施例提供一种CSFB终端通信处理方法，包括：终端确定第一4G网络小区为CSFB被叫失败小区，所述CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区，所述第一4G网络小区为所述终端的当前服务小区；
当所述终端未进行数据业务时，所述终端将注册网络由4G网络更改为2G或3G网络。
在第一方面的第一种可能的实现方式中，所述终端将注册网络由4G网络更改为2G或3G网络之后，还包括：
当所述终端发起数据业务时，所述终端将注册网络由所述2G或3G网络更改为所述4G网络。
结合第一方面或第一方面的第一种可能的实现方式，在第一方面的第二种可能的实现方式中，所述终端确定第一4G网络小区为CSFB被叫失败小区之后，还包括：
所述终端向服务器发送CSFB被叫失败报告，所述CSFB被叫失败报告包括所述第一4G网络小区的标识，所述CSFB被叫失败报告用于指示所述第一4G网络小区为所述CSFB被叫失败小区。
结合第一方面或第一方面的第一种可能的实现方式或第一方面的第二种可能的实现方式，在第一方面的第三种可能的实现方式中，所述终端确定第一4G网络小区为CSFB被叫失败小区，包括：
所述终端确定所述终端的CSFB被叫失败；
所述终端获取引起所述终端的CSFB被叫失败的原因；
当所述引起所述终端的CSFB被叫失败的原因属于所述预设原因时，所述终端确定所述第一4G网络小区为所述CSFB被叫失败小区。
结合第一方面或第一方面的第一种可能的实现方式或第一方面的第二种可能的实现方式，在第一方面的第四种可能的实现方式中，所述终端确定第一4G网络小区为CSFB被叫失败小区之前，还包括：
所述终端接收服务器广播发送的第一指示信息，所述第一指示信息包括所述第一4G网络小区的标识，所述第一指示信息用于指示所述第一4G网络小区为所述CSFB被叫失败小区；
所述终端确定第一4G网络小区为CSFB被叫失败小区，包括：所述终端根据所述第一指示信息确定所述第一4G网络小区为CSFB被叫失败小区。
结合第一方面或第一方面的第一种至第四种可能的实现方式中的任意一种，在第一方面的第五种可能的实现方式中，所述终端确定第一4G网络小区为CSFB被叫失败小区之后，还包括：
所述终端将所述第一4G网络小区的标识记录在所述终端的CSFB被叫失败小区列表中。
结合第一方面或第一方面的第一种可能的实现方式或第一方面的第二种可能的实现方式，在第一方面的第六种可能的实现方式中，所述终端确定第一4G网络小区为CSFB被叫失败小区，包括：当所述终端的CSFB被叫失败小区列表中包括所述第一4G网络小区的标识时，所述终端确定所述第一4G网络小区为CSFB被叫失败小区。
结合第一方面的第五种可能的实现方式或第一方面的第六种可能的实现方式，在第一方面的第七种可能的实现方式中，还包括：从将所述第一4G网络小区的标识记录在所述CSFB被叫失败小区列表中的时间起间隔第一预设时间段时，所述终端删除所述CSFB被叫失败小区列表中的所述第一4G网络小区的标识。
结合第一方面的第五种可能的实现方式或第一方面的第六种可能的实现方式，在第一方面的第八种可能的实现方式中，还包括：
所述终端接收所述服务器发送的第二指示信息，所述第二指示信息包括所述第一4G网络小区的标识，所述第二指示信息用于指示所述第一4G网络小区不为所述CSFB被叫失败小区；
所述终端删除所述CSFB被叫失败小区列表中的所述第一4G网络小区的标识。
结合第一方面或第一方面的第一种至第八种可能的实现方式中的任意一种，在第一方面的第九种可能的实现方式中，所述预设原因包括以下至少一种：
所述终端注册了4G网络的分组交换(Packet Switching，简称：PS)域而未注册2G或3G网络的CS域；
所述终端切换到的2G或3G网络小区的位置区与所述第一4G网络小区 的位置区不同；
所述第一4G网络小区的相邻小区中未配置2G或3G网络小区。
第二方面，本发明实施例提供一种CSFB终端通信处理方法，包括：包括：
服务器接收第一4G网络小区服务的至少一个终端发送的CSFB被叫失败报告，所述CSFB被叫失败报告包括所述第一4G网络小区的标识，每个所述终端发送的所述CSFB被叫失败报告用于指示所述第一4G网络小区为CSFB被叫失败小区，所述CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区；
所述服务器向所述第一4G网络小区服务的所有终端广播发送第一指示信息，所述第一指示信息包括所述第一4G网络小区的标识，所述第一指示信息用于指示所述第一4G网络小区为所述CSFB被叫失败小区。
在第二方面的第一种可能的实现方式中，所述服务器向所述第一4G网络小区服务的所有终端广播发送第一指示信息之前，还包括：
所述服务器确定在第二预设时间段内接收的所述CSFB被叫失败报告的个数大于第一预设值。
结合第二方面或第二方面的第一种可能的实现方式，在第二方面的第二种可能的实现方式中，所述服务器向所述第一4G网络小区内所有终端广播发送第一指示信息之后，还包括：
所述服务器向所述第一4G网络小区服务的所有终端广播发送第二指示信息，所述第二指示信息包括所述第一4G网络小区的标识，所述第二指示信息用于指示所述第一4G网络小区不为所述CSFB被叫失败小区。
结合第二方面的第二种可能的实现方式，在第二方面的第三种可能的实现方式中，所述服务器向所述第一4G网络小区内的所有终端广播发送第二指示信息之前，还包括：
所述服务器确定在第三预设时间段内接收的所述CSFB被叫失败报告的个数小于第二预设值，其中，所述第二预设值小于所述第一预设值。
结合第二方面或第二方面的第一种至第三种可能的实现方式中的任意一种，在第二方面的第四种可能的实现方式中，所述预设原因包括以下至少一种：
所述终端注册了4G网络的PS域而未注册2G或3G网络的CS域；
所述终端切换到的2G或3G网络小区的位置区与所述第一4G网络小区的位置区不同；
所述第一4G网络小区的相邻小区中未配置2G或3G网络小区。
第三方面，本发明实施例提供一种终端，包括：
确定单元，用于确定第一4G网络小区为电路域回落CSFB被叫失败小区，所述CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区，所述第一4G网络小区为所述终端的当前服务小区；
处理单元，用于当所述终端未进行数据业务时，将注册网络由4G网络更改为2G或3G网络。
在第三方面的第一种可能的实现方式中，所述处理单元还用于，在将注册网络由4G网络更改为2G或3G网络之后，当所述终端发起数据业务时，将注册网络由所述2G或3G网络更改为所述4G网络。
结合第三方面或第三方面的第一种可能的实现方式，在第三方面的第二种可能的实现方式中，还包括：
发送单元，用于在所述确定单元确定第一4G网络小区为CSFB被叫失败小区之后，向服务器发送CSFB被叫失败报告，所述CSFB被叫失败报告包括所述第一4G网络小区的标识，所述CSFB被叫失败报告用于指示所述第一4G网络小区为所述CSFB被叫失败小区。
结合第三方面或第三方面的第一种可能的实现方式或第三方面的第二种可能的实现方式，在第三方面的第三种可能的实现方式中，所述确定单元具体用于：确定所述终端的CSFB被叫失败；获取引起所述终端的CSFB被叫失败的原因；当所述引起所述终端的CSFB被叫失败的原因属于所述预设原因时，确定所述第一4G网络小区为所述CSFB被叫失败小区。
结合第三方面或第三方面的第一种可能的实现方式或第三方面的第二种可能的实现方式，在第三方面的第四种可能的实现方式中，还包括：
接收单元，用于在所述确定单元确定第一4G网络小区为CSFB被叫失败小区之前，接收服务器广播发送的第一指示信息，所述第一指示信息包括所述第一4G网络小区的标识，所述第一指示信息用于指示所述第一4G网络小区为所述CSFB被叫失败小区；
所述确定单元具体用于：根据所述第一指示信息确定所述第一4G网络小区为CSFB被叫失败小区。
结合第三方面或第三方面的第一种至第四种可能的实现方式中的任意一种，在第三方面的第五种可能的实现方式中，所述处理单元，还用于在所述确定单元确定第一4G网络小区为CSFB被叫失败小区之后，将所述第一4G网络小区的标识记录在所述终端的CSFB被叫失败小区列表中。
结合第三方面或第三方面的第一种可能的实现方式或第三方面的第二种可能的实现方式，在第三方面的第六种可能的实现方式中，所述确定单元具体用于：当所述终端的CSFB被叫失败小区列表中包括所述第一4G网络小区的标识时，确定所述第一4G网络小区为CSFB被叫失败小区。
结合第三方面的第五种可能的实现方式或第三方面的第六种可能的实现方式，在第三方面的第七种可能的实现方式中，所述处理单元，还用于，从将所述第一4G网络小区的标识记录在所述CSFB被叫失败小区列表中的时间起间隔第一预设时间段时，删除所述CSFB被叫失败小区列表中的所述第一4G网络小区的标识。
结合第三方面的第五种可能的实现方式或第三方面的第六种可能的实现方式，在第三方面的第八种可能的实现方式中，还包括：
第二接收单元，用于接收所述服务器发送的第二指示信息，所述第二指示信息包括所述第一4G网络小区的标识，所述第二指示信息用于指示所述第一4G网络小区不为所述CSFB被叫失败小区；
所述处理单元，还用于删除所述CSFB被叫失败小区列表中的所述第一4G网络小区的标识。
结合第三方面或第三方面的第一种至第八种可能的实现方式中的任意一种，在第三方面的第九种可能的实现方式中，所述预设原因包括以下至少一种：
所述终端注册了4G网络的PS域而未注册2G或3G网络的CS域；
所述终端切换到的2G或3G网络小区的位置区与所述第一4G网络小区的位置区不同；
所述第一4G网络小区的相邻小区中未配置2G或3G网络小区。
第四方面，本发明实施例提供一种服务器，包括：
接收单元，用于接收第一4G网络小区服务的至少一个终端发送的电路域回落CSFB被叫失败报告，所述CSFB被叫失败报告包括所述第一4G网络小区的标识，每个所述终端发送的所述CSFB被叫失败报告用于指示所述第一4G网络小区为CSFB被叫失败小区，所述CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区；
发送单元，用于向所述第一4G网络小区服务的所有终端广播发送第一指示信息，所述第一指示信息包括所述第一4G网络小区的标识，所述第一指示信息用于指示所述第一4G网络小区为所述CSFB被叫失败小区。
在第四方面的第一种可能的实现方式中，还包括：
第一确定单元，用于在所述发送单元向所述第一4G网络小区服务的所有终端广播发送第一指示信息之前，确定在第二预设时间段内接收的所述CSFB被叫失败报告的个数大于第一预设值。
结合第四方面或第四方面的第一种可能的实现方式，在第四方面的第二种可能的实现方式中，所述发送单元还用于，在向所述第一4G网络小区内所有终端广播发送第一指示信息之后，向所述第一4G网络小区服务的所有终端广播发送第二指示信息，所述第二指示信息包括所述第一4G网络小区的标识，所述第二指示信息用于指示所述第一4G网络小区不为所述CSFB被叫失败小区。
结合第四方面的第二种可能的实现方式，在第四方面的第三种可能的实现方式中，还包括：
第二确定单元，还用于在所述发送单元向所述第一4G网络小区内的所有终端广播发送第二指示信息之前，还包括：
所述服务器确定在第三预设时间段内接收的所述CSFB被叫失败报告的个数小于第二预设值，其中，所述第二预设值小于所述第一预设值。
结合第四方面或第四方面的第一种至第三种可能的实现方式中的任意一种，在第四方面的第四种可能的实现方式中，所述预设原因包括以下至少一种：
所述终端注册了4G网络的PS域而未注册2G或3G网络的CS域；
所述终端切换到的2G或3G网络小区的位置区与所述第一4G网络小区的位置区不同；
所述第一4G网络小区的相邻小区中未配置2G或3G网络小区。
第五方面，本发明实施例提供一种终端，包括：包括：收发器和处理器；
所述收发器，用于与所述终端外部进行通信；
所述处理器，用于确定第一4G网络小区为CSFB被叫失败小区，所述CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区，所述第一4G网络小区为所述终端的当前服务小区；当所述终端未进行数据业务时，将注册网络由4G网络更改为2G或3G网络。
在第五方面的第一种可能的实现方式中，所述处理器，还用于在将注册网络由4G网络更改为2G或3G网络之后，当所述终端发起数据业务时，将注册网络由所述2G或3G网络更改为所述4G网络。
结合第五方面或第五方面的第一种可能的实现方式，在第五方面的第二种可能的实现方式中，所述处理器还用于：
在确定所述第一4G网络小区为CSFB被叫失败小区之后，通过所述收发器向服务器发送CSFB被叫失败报告，所述CSFB被叫失败报告包括所述第一4G网络小区的标识，所述CSFB被叫失败报告用于指示所述第一4G网络小区为所述CSFB被叫失败小区。
结合第五方面或第五方面的第一种可能的实现方式或第五方面的第二种可能的实现方式，在第五方面的第三种可能的实现方式中，所述处理器在确定所述第一4G网络小区为CSFB被叫失败小区时，具体用于：确定所述终端的CSFB被叫失败，获取引起所述终端的CSFB被叫失败的原因，当所述引起所述终端的CSFB被叫失败的原因属于所述预设原因时，确定所述第一4G网络小区为所述CSFB被叫失败小区。
结合第五方面或第五方面的第一种可能的实现方式或第五方面的第二种可能的实现方式，在第五方面的第四种可能的实现方式中，所述处理器还用于：在确定所述第一4G网络小区为CSFB被叫失败小区之前，通过所述收发器接收服务器广播发送的第一指示信息，所述第一指示信息包括所述第一4G网络小区的标识，所述第一指示信息用于指示所述第一4G网络小区为所述CSFB被叫失败小区；
所述处理器在确定第一4G网络小区为CSFB被叫失败小区时，具体用于：根据所述第一指示信息确定所述第一4G网络小区为CSFB被叫失败小区。
结合第五方面或第五方面的第一种至第四种可能的实现方式中的任意一种，在第五方面的第五种可能的实现方式中，所述处理器还用于：在确定第一4G网络小区为CSFB被叫失败小区之后，将所述第一4G网络小区的标识记录在所述终端的CSFB被叫失败小区列表中。
结合第五方面或第五方面的第一种可能的实现方式或第五方面的第二种可能的实现方式，在第五方面的第六种可能的实现方式中，所述处理器在确定第一4G网络小区为CSFB被叫失败小区时，具体用于：当所述终端的CSFB被叫失败小区列表中包括所述第一4G网络小区的标识时，确定所述第一4G网络小区为CSFB被叫失败小区。
结合第五方面的第五种可能的实现方式或第五方面的第六种可能的实现方式，在第五方面的第七种可能的实现方式中，所述处理器，还用于从将所述第一4G网络小区的标识记录在所述CSFB被叫失败小区列表中的时间起间隔第一预设时间段时，删除所述CSFB被叫失败小区列表中的所述第一4G网络小区的标识。
结合第五方面的第五种可能的实现方式或第五方面的第六种可能的实现方式，在第五方面的第八种可能的实现方式中，所述处理器还用于，通过所述收发器接收所述服务器发送的第二指示信息，所述第二指示信息包括所述第一4G网络小区的标识，所述第二指示信息用于指示所述第一4G网络小区不为所述CSFB被叫失败小区；
所述处理器，还用于删除所述CSFB被叫失败小区列表中的所述第一4G网络小区的标识。
结合第五方面或第五方面的第一种至第八种可能的实现方式中的任意一种，在第五方面的第九种可能的实现方式中，所述预设原因包括以下至少一种：
所述终端注册了4G网络的PS域而未注册2G或3G网络的CS域；
所述终端切换到的2G或3G网络小区的位置区与所述第一4G网络小区的位置区不同；
所述第一4G网络小区的相邻小区中未配置2G或3G网络小区。
第六方面，本发明实施例提供一种服务器，包括：处理器和收发器；
所述收发器，用于与所述服务器外部进行通信；
所述处理器，用于通过所述收发器接收第一4G网络小区服务的至少一个终端发送的CSFB被叫失败报告，所述CSFB被叫失败报告包括所述第一4G网络小区的标识，每个所述终端发送的所述CSFB被叫失败报告用于指示所述第一4G网络小区为CSFB被叫失败小区，所述CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区；以及通过所述收发器向所述第一4G网络小区服务的所有终端广播发送所述第一指示信息。
在第六方面的第一种可能的实现方式中，所述处理器，还用于在通过所述收发器向所述第一4G网络小区服务的所有终端广播发送第一指示信息之前，确定在第二预设时间段内接收的所述CSFB被叫失败报告的个数大于第一预设值。
结合第六方面或第六方面的第一种可能的实现方式，在第六方面的第二种可能的实现方式中，所述处理器，还用于在通过所述收发器向所述第一4G网络小区内所有终端广播发送第一指示信息之后，通过所述收发器向所述第一4G网络小区服务的所有终端广播发送第二指示信息，所述第二指示信息包括所述第一4G网络小区的标识，所述第二指示信息用于指示所述第一4G网络小区不为所述CSFB被叫失败小区。
结合第六方面的第二种可能的实现方式，在第六方面的第三种可能的实现方式中，所述处理器还用于，在通过所述收发器向所述第一4G网络小区内的所有终端广播发送第二指示信息之前，确定在第三预设时间段内接收的所述CSFB被叫失败报告的个数小于第二预设值，其中，所述第二预设值小于所述第一预设值。
结合第六方面或第六方面的第一种至第三种可能的实现方式中的任意一种，在第六方面的第四种可能的实现方式中，所述预设原因包括以下至少一种：
所述终端注册了4G网络的PS域而未注册2G或3G网络的CS域；
所述终端切换到的2G或3G网络小区的位置区与所述第一4G网络小区的位置区不同；
所述第一4G网络小区的相邻小区中未配置2G或3G网络小区。
本发明实施例提供的CSFB终端通信处理方法和设备，在终端确定第一4G网络小区为CSFB被叫失败小区之后，当所述终端未进行数据业务，所述 终端将注册网络由4G网络更改为2G或3G网络，从而保证该终端作为被叫时可以成功进行语音通信，提高了CSFB被叫呼通率。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明CSFB终端通信处理方法实施例一的流程图；
图2为本发明CSFB终端通信处理方法实施例二的流程图；
图3为本发明CSFB终端通信处理方法实施例三的流程图；
图4为本发明CSFB终端通信处理方法实施例四的流程图；
图5为本发明CSFB终端通信处理方法实施例五的流程图；
图6为本发明终端实施例一的结构示意图；
图7为本发明终端实施例二的结构示意图；
图8为本发明服务器实施例一的结构示意图；
图9为本发明服务器实施例二的结构示意图；
图10为本发明终端实施例三的结构示意图；
图11为本发明服务器实施例三的结构示意图。
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清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
图1为本发明CSFB终端通信处理方法实施例一的流程图，如图1所示，本实施例的方法可以包括：
S101、终端确定第一4G网络小区为CSFB被叫失败小区，所述CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区，所述第一 4G网络小区为所述终端的当前服务小区。
本实施例中，该终端的当前服务小区为第一4G网络小区，该终端可以确定该第一4G网络小区是否为CSFB被叫失败小区；该CSFB被叫失败是指终端在被语音呼叫后，该终端使用CSFB技术从4G网络切换到2G或3G网络进行的语音通信失败；该CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区；当该终端确定该第一4G网络小区不是CSFB被叫失败小区，如该第一4G网络小区为CSFB被叫成功小区(即终端在该第一4G网络小区的CSFB被叫成功)，或者，该第一4G网络小区为由除预设原因之外的原因造成CSFB被叫失败的4G网络小区(即终端在该第一4G网络小区的CSFB被叫失败，该失败是由除预设原因之外的原因造成的)，该终端结束流程；当该终端确定该第一4G网络小区是CSFB被叫失败小区时，该终端执行S102。
S102、当所述终端未进行数据业务，所述终端将注册网络由4G网络更改为2G或3G网络。
本实施例中，在该终端确定第一4G网络小区为CSFB被叫失败小区后，该终端确定该终端当前是否正进行数据业务；当该终端确定该终端当前未进行数据业务时，该终端将该终端的注册网络由4G网络更改为2G或3G网络，即该终端将该终端的通信网络模式由4G网络模式更改2G或3G网络模式；例如：若该终端为使用中国移动网络的终端，则该终端可以将通信网络模式由4G网络模式更改为2G网络模式；若该终端为使用中国联通的终端，则该终端可以将注册网络由4G网络更改为3G网络，从而保证该终端的CSFB被叫成功，提高了CSFB被叫呼通率；当该终端确定该终端当前正进行数据业务时，为了保证用户的数据业务，该终端保持注册网络为4G网络，待后续终端确定该终端未进行数据业务时，再将该终端的注册网络由4G网络更改为2G或3G网络，从而保证该终端的CSFB被叫成功，提高了CSFB被叫呼通率。
可选地，所述终端将注册网络由4G网络更改为2G或3G网络之后，还包括：当所述终端发起数据业务时，所述终端将注册网络由所述2G或3G网络更改为所述4G网络。具体地，当终端确定该终端发起数据业务时，为了保证该终端进行数据业务时的数据传输速率，该终端将注册网络由2G或3G 网络更改为4G网络；后续当该终端再确定该终端未进行数据业务时，所述终端将注册网络由4G网络更改为2G或3G网络，保证该终端的CSFB被叫成功；这样来回的更改终端的注册网络，可以既保证数据传输速率也提高了CSFB被叫呼通率。
本实施例提供的CSFB终端通信处理方法，终端确定第一4G网络小区为CSFB被叫失败小区之后，当所述终端确定所述终端未进行数据业务，所述终端将注册网络由4G网络更改为2G或3G网络，从而保证该终端作为被叫时可以成功进行语音通信，提高了CSFB被叫呼通率。
图2为本发明CSFB终端通信处理方法实施例二的流程图，如图2所示，本实施例的方法可以包括：
S201、终端确定所述终端的CSFB被叫失败。
本实施例中，该终端的服务小区为第一4G网络小区，终端可以确定该终端的CSFB被叫是否失败，具体地，当该终端的CSFB被叫失败后，该终端的modem底层可以获知该终端的CSFB被叫失败。
S202、所述终端确定引起所述终端的CSFB被叫失败的原因。
S203、当所述引起所述终端的CSFB被叫失败的原因属于所述预设原因时，所述终端确定所述第一4G网络小区为所述CSFB被叫失败小区。
本实施例中，在该终端确定该终端的CSFB被叫失败后，该终端获取引起该终端的CSFB被叫失败的原因，然后该终端确定引起该终端的CSFB被叫失败的原因是否属于预设原因；当该终端确定引起该终端的CSFB被叫失败的原因不属于预设原因时，该终端结束流程；当该终端确定引起该终端的CSFB被叫失败属于预设原因时，该终端可以确定该第一4G网络小区为CSFB被叫失败小区。
可选地，该预设原因包括以下至少一种：所述终端注册了4G网络的PS域而未注册2G或3G网络的CS域、所述终端切换到的2G或3G网络小区的位置区与所述第一4G网络小区的位置区不同、所述第一4G网络小区的相邻小区中未配置2G或3G网络小区。其中，当终端切换到的2G网络小区的位置区与所述第一4G网络小区的位置区不同时，终端会发起位置更新(英文：Local Area Update，简称：LAU)。
在第一种可能的实现方式中，当该终端获取的引起该终端的CSFB被叫 失败的原因为所述终端注册了4G网络的PS域而未注册2G或3G网络的CS域时，该终端确定该第一4G网络小区为CSFB被叫失败小区；具体地，该终端可以获取该终端的CSFB联合注册信息，若该终端从该终端的CSFB联合注册信息中获知该终端仅仅注册了4G网络的PS域而没有注册2G或3G网络的CS域，则该终端确定该引起该终端的CSFB被叫失败的原因属于预设原因。
在第二种可能的实现方式中，当该终端获取的引起该终端的CSFB被叫失败的原因为所述终端切换到的2G或3G网络小区的位置区与所述第一4G网络小区的位置区不同时，该终端确定该第一4G网络小区为CSFB被叫失败小区；具体地，该终端可以从该终端的log记录中获知该终端已经CSFB至2G或3G网络小区，再确定是否由于该2G或3G网络小区的位置区与该第一4G网络小区的位置区不同而发起了LAU，若是，则该终端确定该引起该终端的CSFB被叫失败的原因属于预设原因。
在第三种可能的实现方式中，当该终端获取的引起该终端的CSFB被叫失败的原因为所述第一4G网络小区的相邻小区中未配置2G或3G网络小区时，该终端确定该第一4G网络小区为CSFB被叫失败小区；具体地，该终端可以确定该终端切换至2G网络小区是否正常，若不正常，该终端从该终端的log记录中遍历网络侧设备下发的该第一4G网络小区的相邻小区信息，查看该第一4G网络小区的相邻小区信息以获取该第一4G网络小区是否配置2G或3G相邻小区，若确定该第一4G网络小区的相邻小区信息没有配置2G或3G相邻小区，则该终端确定该引起该终端的CSFB被叫失败的原因属于预设原因。
可选地，该终端可以先确定引起该终端的CSFB被叫失败的一个原因是否为所述终端注册了4G网络的分组交换PS域而未注册2G或3G网络的电路交换CS域；若不是，该终端再确定引起该终端的CSFB被叫失败的一个原因是否为所述终端切换到的2G或3G网络小区的位置区与所述第一4G网络小区的位置区不同；若不是，该终端再确定引起该终端的CSFB被叫失败的一个原因是否为所述第一4G网络小区的相邻小区中未配置2G或3G网络小区。
若该终端获取的引起该终端的CSFB被叫失败的原因不是上述三种原因， 则该终端可以确定该第一4G网络小区不为CSFB被叫失败小区。
S204、当所述终端未进行数据业务，所述终端将注册网络由4G网络更改为2G或3G网络。
本实施例中，S204的具体实现过程可以参见本发明方法实施例一中S102的具体实现过程，此处不再赘述。
本实施例，通过终端确定所述终端的CSFB被叫失败，再确定引起所述终端的CSFB被叫失败的原因，然后当确定所述引起所述终端的CSFB被叫失败的原因属于所述预设原因时，所述终端确定所述第一4G网络小区为所述CSFB被叫失败小区，然后，当所述终端确定所述终端未进行数据业务，所述终端将注册网络由4G网络更改为2G或3G网络。从而保证该终端作为被叫时可以成功进行语音通信，提高了CSFB被叫呼通率。
图3为本发明CSFB终端通信处理方法实施例三的流程图，如图3所示，本实施例的方法可以包括：
S301、终端接收服务器广播发送的第一指示信息，所述第一指示信息包括所述第一4G网络小区的标识，所述第一指示信息用于指示所述第一4G网络小区为所述CSFB被叫失败小区，所述CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区，所述第一4G网络小区为所述终端的当前服务小区。
S302、所述终端根据所述第一指示信息确定所述第一4G网络小区为CSFB被叫失败小区。
本实施例中，服务器向第一4G网络小区服务的所有终端广播发送第一指示信息，即该所有终端的当前服务小区为该第一4G网络小区，本实施例以其中一个终端为例。该终端接收服务器广播发送的第一指示信息，该第一指示信息包括该第一4G网络小区的标识，该第一指示信息指示该标识对应的该第一4G网络小区为CSFB被叫失败小区，该CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区，然后终端根据接收的第一指示信息，确定该第一4G网络小区为CSFB被叫失败小区，然后再执行S303。
可选地，该预设条件包括以下至少一种：所述终端在联合注册时注册了4G网络的分组交换PS域而未注册2G或3G网络的电路交换CS域、所述终端切换到的2G或3G网络小区的位置区与所述第一4G网络小区的位置区不 同、所述第一4G网络小区的本邻小区中未配置2G或3G网络小区。
S303、当所述终端未进行数据业务，所述终端将注册网络由4G网络更改为2G或3G网络。
本实施例中，S303的具体实现过程可以参见本发明方法实施例一中S102的具体实现过程，此处不再赘述。
本实施例，通过终端接收服务器广播发送的第一指示信息，所述第一指示信息包括所述第一4G网络小区的标识，所述第一指示信息用于指示所述第一4G网络小区为所述CSFB被叫失败小区，所述终端再根据所述第一指示信息确定所述第一4G网络小区为CSFB被叫失败小区，然后当所述终端确定所述终端未进行数据业务，所述终端将注册网络由4G网络更改为2G或3G网络。从而保证该终端的CSFB被叫成功，提高了CSFB被叫呼通率。
可选地，在本发明方法实施例二或三的基础上，在终端确定该第一4G网络小区为CSFB被叫失败小区之后，还包括：所述终端将所述第一4G网络小区的标识记录在所述终端的CSFB被叫失败小区列表中。本实施例中，该终端中存储有一个CSFB被叫失败小区列表，该CSFB被叫失败小区列表中存储的小区标识为CSFB被叫失败小区的标识，因此，该终端确定该第一4G网络小区为CSFB被叫失败小区之后，该终端将该第一4G网络小区的标识记录在该终端的CSFB被叫失败小区列表中，后续当该终端确定该终端未进行数据业务时，该终端可以根据该CSFB被叫失败小区列表中包括有该第一4G网络小区的标识将注册网络由4G网络更改为2G或3G网络；即该终端根据该CSFB被叫失败小区列表中包括该第一4G网络小区的标识，确定该第一4G网络小区为CSFB被叫失败小区，然后当该终端确定该终端未进行数据业务时，该终端将注册网络由4G更改为2G或3G网络。可选地，该终端将注册网络由4G更改为2G或3G网络之后，当该终端确定该终端发起数据业务时，该终端将注册网络由2G或3G网络更改为4G网络。
可选地，在本发明方法实施例二的基础上，本实施例的方法在执行S203之后，还可以包括：所述终端向服务器发送CSFB被叫失败报告，所述CSFB被叫失败报告包括所述第一4G网络小区的标识，所述CSFB被叫失败报告用于指示所述第一4G网络小区为所述CSFB被叫失败小区。本实施例中，该终端确定该第一4G网络小区为CSFB被叫失败小区之后，该终端将该第一4G 网络小区的标识通过CSFB被叫失败报告发送给服务器，该服务器为用户体验计划服务器，该CSFB被叫失败报告用于指示该标识对应的第一4G网络小区为CSFB被叫失败小区，即该终端在该第一4G网络小区的CSFB被叫失败，而且该CSFB被叫失败是由预设原因引起的。相应地，服务器接收到该终端发送的该CSFB被叫失败报告之后，服务器可以对该第一4G网络小区进行改进，以避免该第一4G网络小区由于预设原因而造成CSFB被叫失败，进而保证该终端的CSFB被叫成功，提高了CSFB被叫呼通率。或者，服务器接收到该终端发送的该CSFB被叫失败报告之后，该服务器向第一4G网络小区服务的所有终端发送第一指示信息，以使该所有终端执行本发明方法实施例三中S301-S303，具体实现过程可以参见本发明方法实施例三中的相关记载，此处不再赘述。
可选地，上述终端还可以时间信息记录在该CSFB被叫失败小区列表中，该时间信息为该终端将所述第一4G网络小区的标识记录在所述终端的CSFB被叫失败小区列表中的时间。
可选地，该终端还可以从将该第一4G网络小区的标识记录在所述终端的CSFB被叫失败小区列表中的时间起间隔第一预设时间段时，所述终端删除所述CSFB被叫失败小区列表中的所述第一4G网络小区的标识。例如：该终端中设置有一计时器，在将该第一4G网络小区的标识记录在CSFB被叫失败小区列表中的时间，该计时器归0并开始计时，该计时器计时至第一预设时间段时，该终端将该CSFB被叫失败小区列表中的第一4G网络小区的标识。这是由于在经过第一预设时间段后，该第一4G网络小区可能得到了优化，该终端在该第一4G网络小区不会CSFB被叫失败。若该CSFB被叫失败列表中还包括该终端将所述第一4G网络小区的标识记录在所述终端的CSFB被叫失败小区列表中的时间，该终端还可以删除该时间。
可选地，所述终端还可以接收所述服务器发送的第二指示信息，所述第二指示信息包括所述第一4G网络小区的标识，所述第二指示信息用于指示所述第一4G网络小区不为所述CSFB被叫失败小区；所述终端删除所述CSFB被叫失败小区列表中的所述第一4G网络小区的标识。具体地，在该终端将该第一4G网络小区的标识记录在该终端的CSFB被叫失败小区列表中之后，服务器向第一4G网络小区服务的所有终端广播发送第二指示信息，相 应地，该终端接收该服务器广播发送的第二指示信息，该第二指示信息包括该第一4G网络小区的标识，该第二指示信息指示该标识对应的该第一4G网络小区不为CSFB被叫失败小区，然后终端根据接收的第二指示信息，确定该第一4G网络小区不为CSFB被叫失败小区，该终端将该CSFB被叫失败小区列表中的第一4G网络小区的标识删除，若该CSFB被叫失败列表中还包括该终端将所述第一4G网络小区的标识记录在所述终端的CSFB被叫失败小区列表中的时间，该终端还可以删除该时间，然后该终端按照现有技术执行操作。
图4为本发明CSFB终端通信处理方法实施例四的流程图，如图4所示，本实施例的方法可以包括：
S401、当终端的CSFB被叫失败小区列表中包括第一4G网络小区的标识时，所述终端确定所述第一4G网络小区为CSFB被叫失败小区。
其中，所述CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区，所述第一4G网络小区为所述终端的当前服务小区。
本实施例中，该终端中存储有CSFB被叫失败小区列表，该终端可以确定该终端中的CSFB被叫失败小区列表中是否包括该第一4G网络小区的标识，当该终端确定该CSFB被叫失败小区列表中不包括该第一4G网络小区的标识时，该终端确定该第一4G网络小区不为CSFB被叫失败小区，则结束流程；当该终端确定该CSFB被叫失败小区列表中包括该第一4G网络小区的标识时，该终端确定该第一4G网络小区为CSFB被叫失败小区。
S402、当所述终端未进行数据业务，所述终端将注册网络由4G网络更改为2G或3G网络。
本实施例中，S402的具体实现过程可以参见本发明方法实施例一中S102的具体实现过程，此处不再赘述。
需要说明的是，如何实现在该CSFB被叫失败小区列表中包括该第一4G网络小区的标识的可能的实现方式可以参见上述提到的该终端将第一4G网络小区的标识记录在该终端的CSFB被叫失败小区列表中的实现方案，此处不再赘述。
进一步地，该终端还可以将该CSFB被叫失败小区列表中的该第一4G网络小区的标识删除，具体实现过程可以参见上述提到的该终端删除CSFB被 叫失败小区列表中的第一4G网络小区的标识的实现方案，此处不再赘述。
本实施例中，通过终端根据该终端的的CSFB被叫失败小区列表中包括第一4G网络小区的标识，确定所述第一4G网络小区为CSFB被叫失败小区，然后当所述终端确定所述终端未进行数据业务，所述终端将注册网络由4G网络更改为2G或3G网络。从而保证该终端的CSFB被叫成功，提高了CSFB被叫呼通率。
图5为本发明CSFB终端通信处理方法实施例五的流程图，如图5所示，本实施例的方法可以包括：
S501、服务器接收第一4G网络小区服务的至少一个终端发送的CSFB被叫失败报告，所述CSFB被叫失败报告包括所述第一4G网络小区的标识，每个所述终端发送的所述CSFB被叫失败报告用于指示所述第一4G网络小区为CSFB被叫失败小区，所述CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区。
本实施例中，该服务器可以为用户体验计划服务器，该服务器可以接收该第一4G网络小区服务的至少一个终端发送的CSFB被叫失败被告，该至少一个终端的服务小区为该第一4G网络小区，该第一4G网络小区为任一4G网络小区，该至少一个终端确定该第一4G网络小区为CSFB被叫失败小区后，该至少一个终端分别向服务器发送CSFB被叫失败报告，其中，该至少一个终端中任一终端确定该第一4G网络小区为CSFB被叫失败小区的具体实现过程可以参见本发明方法实施例二中的相关记载，此处不再赘述；其中，所述CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区，该CSFB被叫失败报告中包括该第一4G网络小区的标识，该CSFB被叫失败报告用于指示所述第一4G网络小区为该CSFB被叫失败小区。
可选地，所述预设原因包括以下至少一种：终端注册了4G网络的PS域而未注册2G或3G网络的CS域、终端切换到的2G或3G网络小区的位置区与所述第一4G网络小区的位置区不同、所述第一4G网络小区的相邻小区中未配置2G或3G网络小区。
S502、所述服务器向所述第一4G网络小区服务的所有终端广播发送第一指示信息，所述第一指示信息包括所述第一4G网络小区的标识，所述第一指示信息用于指示所述第一4G网络小区为所述CSFB被叫失败小区。
本实施例中，该服务器接收到第一4G网络小区服务的至少一个终端发送的CSFB被叫失败报告后，该服务器根据接收的至少一个该CSFB被叫失败报告生成第一指示信息，然后该服务器向服务小区为该第一4G网络小区的所有终端广播发送该第一指示信息，相应地，该所有终端接收到该终端广播发送的第一指示信息后，该所有终端中的每个终端可以执行本发明方法实施例三中S302和S303，具体实现过程此处不再赘述。
可选地，该服务器在执行S502之前，还包括：所述服务器确定在第二预设时间段内接收的所述CSFB被叫失败报告的个数大于第一预设值。本实施例中，该服务器统计在第二预设时间段内接收的包括该第一4G网络小区的标识的CSFB被叫失败报告的个数，当该个数大于第一预设值时，说明在该第一4G网络小区内的终端发送CSFB被叫失败的概率较高，然后该服务器再执行S502。
本实施例中，服务器接收第一4G网络小区服务的至少一个终端发送的包括该第一4G网络小区的标识的CSFB被叫失败报告，然后向所述第一4G网络小区服务的所有终端广播发送第一指示信息，以使该所有终端中的每个终端确定该终端当前未进行数据业务时，将注册网络由4G网络更改为2G或3G网络，从而保证该终端作为被叫时可以成功进行语音通信，提高了CSFB被叫呼通率。
可选地，终端在执行S502之后，还包括：所述服务器向所述第一4G网络小区服务的所有终端广播发送第二指示信息，所述第二指示信息包括所述第一4G网络小区的标识，所述第二指示信息用于指示所述第一4G网络小区不为所述CSFB被叫失败小区。例如，当该服务器确定该第一4G网络小区中不发生CSFB被叫失败时，该服务器可以向该第一4G网络小区服务的所有终端广播发送第二指示信息，相应地，该所有终端接收到该第二指示信息之后，该所有终端中的每个终端可以将该终端中的CSFB被叫失败小区列表中的第一4G网络小区的标识删除，具体实现过程可以参见上述方法实施例中的相关记载，此处不再赘述。
可选地，所述服务器向所述第一4G网络小区服务的所有终端广播发送第二指示信息之后，还包括：所述服务器确定在第三预设时间段内接收的所述CSFB被叫失败报告的个数小于第二预设值。本实施例中，该服务器还可 以统计在第三预设时间段内接收的包括该第一4G网络小区的标识的CSFB被叫失败报告的个数，当该个数大于第二预设值时，说明在该第一4G网络小区内的终端发送CSFB被叫失败的概率较低，然后该服务器再向所述第一4G网络小区服务的所有终端广播发送第二指示信息；其中，该第二预设值小于该第一预设值。
图6为本发明终端实施例一的结构示意图，如图6所示，本实施例的终端可以包括：确定单元11和处理单元12，其中，确定单元11，用于确定第一4G网络小区为CSFB被叫失败小区，所述CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区，所述第一4G网络小区为所述终端的当前服务小区；处理单元12，用于所述终端未进行数据业务时，将注册网络由4G网络更改为2G或3G网络。
可选地，处理单元12还用于，在将注册网络由4G网络更改为2G或3G网络之后，当所述终端发起数据业务时，将注册网络由所述2G或3G网络更改为所述4G网络。
本实施例的终端，可以用于执行本发明上述各方法实施例中终端所执行的技术方案，其实现原理和技术效果类似，此处不再赘述。
图7为本发明终端实施例二的结构示意图，如图7所示，本实施例的终端在图6所示装置结构的基础上，进一步地，还包括：发送单元13，用于在确定单元11确定第一4G网络小区为CSFB被叫失败小区之后，向服务器发送CSFB被叫失败报告，所述CSFB被叫失败报告包括所述第一4G网络小区的标识，所述CSFB被叫失败报告用于指示所述第一4G网络小区为所述CSFB被叫失败小区。
在第一种可能的实现方式中，确定单元11具体用于确定所述终端的CSFB被叫失败；获取引起所述终端的CSFB被叫失败的原因；当所述引起所述终端的CSFB被叫失败的原因属于所述预设原因时，确定所述第一4G网络小区为所述CSFB被叫失败小区。
在第二种可能的实现方式中，本实施例的终端还可以包括：接收单元14，其中，接收单元14，用于在确定单元11确定第一4G网络小区为CSFB被叫失败小区之前，接收服务器广播发送的第一指示信息，所述第一指示信息包括所述第一4G网络小区的标识，所述第一指示信息用于指示所述第一4G网 络小区为所述CSFB被叫失败小区；确定单元11具体用于：根据所述第一指示信息确定所述第一4G网络小区为CSFB被叫失败小区。
可选地，处理单元12，还用于在确定单元11确定第一4G网络小区为CSFB被叫失败小区之后，将所述第一4G网络小区的标识记录在所述终端的CSFB被叫失败小区列表中。
在第三种可能的实现方式中，确定单元11具体用于：确当所述终端的CSFB被叫失败小区列表中包括所述第一4G网络小区的标识时，确定所述第一4G网络小区为CSFB被叫失败小区。
可选地，处理单元12，还用于从将所述第一4G网络小区的标识记录在所述CSFB被叫失败小区列表中的时间起间隔第一预设时间段时，删除所述CSFB被叫失败小区列表中的所述第一4G网络小区的标识。
可选地，本实施例的终端还可以包括：第二接收单元15，其中，第二接收单元15，用于接收所述服务器发送的第二指示信息，所述第二指示信息包括所述第一4G网络小区的标识，所述第二指示信息用于指示所述第一4G网络小区不为所述CSFB被叫失败小区；处理单元12，还用于删除所述CSFB被叫失败小区列表中的所述第一4G网络小区的标识。
可选地，所述预设原因包括以下至少一种：
所述终端注册了4G网络的PS域而未注册2G或3G网络的CS域；
所述终端切换到的2G或3G网络小区的位置区与所述第一4G网络小区的位置区不同；
所述第一4G网络小区的相邻小区中未配置2G或3G网络小区。
本实施例的终端，可以用于执行本发明上述各方法实施例中终端所执行的技术方案，其实现原理和技术效果类似，此处不再赘述。
在硬件实现上，以上发送单元13可以为发射器或收发器，以上第一接收单元14、第二接收单元15可以为接收器或收发器，且该发送单元13、第一接收单元14、第二接收单元15可以集成在一起构成收发单元，对应于硬件实现为收发器。以上获取单元11、处理单元12可以以硬件形式内嵌于或独立于终端的处理器中，也可以以软件形式存储于终端的存储器中，以便于处理器调用执行以上各个单元对应的操作。该处理器可以为中央处理单元(Central Processing Unit，简称：CPU)、微处理器、单片机等。
图8为本发明服务器实施例一的结构示意图，如图8所示，本实施例的服务器可以包括：接收单元21和发送单元22，其中，接收单元21，用于接收第一4G网络小区服务的至少一个终端发送的CSFB被叫失败报告，所述CSFB被叫失败报告包括所述第一4G网络小区的标识，每个所述终端发送的所述CSFB被叫失败报告用于指示所述第一4G网络小区为CSFB被叫失败小区，所述CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区；发送单元22，用于向所述第一4G网络小区服务的所有终端广播发送第一指示信息，所述第一指示信息包括所述第一4G网络小区的标识，所述第一指示信息用于指示所述第一4G网络小区为所述CSFB被叫失败小区。
本实施例的服务器，可以用于执行本发明上述各方法实施例中服务器所执行的技术方案，其实现原理和技术效果类似，此处不再赘述。
图9为本发明服务器实施例二的结构示意图，如图9所示，本实施例的服务器在图8所示装置结构的基础上，进一步地，还包括：第一确定单元23，该第一确定单元23，用于在发送单元22向所述第一4G网络小区服务的所有终端广播发送第一指示信息之前，确定在第二预设时间段内接收的所述CSFB被叫失败报告的个数大于第一预设值。
可选地，发送单元22还用于，在向所述第一4G网络小区内所有终端广播发送第一指示信息之后，向所述第一4G网络小区服务的所有终端广播发送第二指示信息，所述第二指示信息包括所述第一4G网络小区的标识，所述第二指示信息用于指示所述第一4G网络小区不为所述CSFB被叫失败小区。
可选地，本实施例的服务器还可以包括：第二确定单元24，该第二确定单元24，用于在发送单元22向所述第一4G网络小区内的所有终端广播发送第二指示信息之前，确定在第三预设时间段内接收的所述CSFB被叫失败报告的个数小于第二预设值，其中，所述第二预设值小于所述第一预设值。
可选地，所述预设原因包括以下至少一种：
所述终端注册了4G网络的分组交换PS域而未注册2G或3G网络的电路交换CS域；
所述终端切换到的2G或3G网络小区的位置区与所述第一4G网络小区的位置区不同；
所述第一4G网络小区的相邻小区中未配置2G或3G网络小区。
本实施例的服务器，可以用于执行本发明上述各方法实施例中服务器所执行的技术方案，其实现原理和技术效果类似，此处不再赘述。
在硬件实现上，以上接收单元21可以为接收器或收发器，以上发送单元22可以为发射器或收发器，且该接收单元21、发送单元22可以集成在一起构成收发单元，对应于硬件实现为收发器。以上第一确定单元23、第二确定单元24可以以硬件形式内嵌于或独立于服务器的处理器中，也可以以软件形式存储于服务器的存储器中，以便于处理器调用执行以上各个单元对应的操作。该处理器可以为CPU、微处理器、单片机等。
图10为本发明终端实施例三的结构示意图，如图10所示，本实施例的终端可以包括收发器31和处理器32；收发器，用于与所述终端外部进行通信；处理器32，用于确定第一4G网络小区为CSFB被叫失败小区，所述CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区，所述第一4G网络小区为所述终端的当前服务小区；当所述终端未进行数据业务时，将注册网络由4G网络更改为2G或3G网络。
可选地，处理器32，还用于在将注册网络由4G网络更改为2G或3G网络之后，当所述终端发起数据业务时，将注册网络由所述2G或3G网络更改为所述4G网络。
可选地，处理器32，还用于在确定第一4G网络小区为CSFB被叫失败小区之后，通过收发器31向服务器发送CSFB被叫失败报告，所述CSFB被叫失败报告包括所述第一4G网络小区的标识，所述CSFB被叫失败报告用于指示所述第一4G网络小区为所述CSFB被叫失败小区。
在第一种可能的实现方式中，处理器32，在确定第一4G网络小区为CSFB被叫失败小区时，具体用于：确定所述终端的CSFB被叫失败，获取引起所述终端的CSFB被叫失败的原因，当所述引起所述终端的CSFB被叫失败的原因属于所述预设原因时，确定所述第一4G网络小区为所述CSFB被叫失败小区。
在第二种可能的实现方式中，处理器32，还用于在确定第一4G网络小区为CSFB被叫失败小区之前，通过收发器31接收服务器广播发送的第一指示信息，所述第一指示信息包括所述第一4G网络小区的标识，所述第一指 示信息用于指示所述第一4G网络小区为所述CSFB被叫失败小区；
处理器32在确定第一4G网络小区为CSFB被叫失败小区时，具体用于：根据所述第一指示信息确定所述第一4G网络小区为CSFB被叫失败小区。
可选地，处理器32，还用于在确定第一4G网络小区为CSFB被叫失败小区之后，将所述第一4G网络小区的标识记录在所述终端的CSFB被叫失败小区列表中。
可选地，处理器32在确定第一4G网络小区为CSFB被叫失败小区时，具体用于：当所述终端的CSFB被叫失败小区列表中包括所述第一4G网络小区的标识时，确定所述第一4G网络小区为CSFB被叫失败小区。
可选地，所述预设原因包括以下至少一种：
所述终端注册了4G网络的PS域而未注册2G或3G网络的CS域；
所述终端切换到的2G或3G网络小区的位置区与所述第一4G网络小区的位置区不同；
所述第一4G网络小区的相邻小区中未配置2G或3G网络小区。
可选地，本实施例的终端还可以包括存储器(图中未示出)，用于存储执行CSFB终端通信处理方法的程序代码；处理器32用于调用存储器中的所述程序代码执行上述操作。
本实施例的终端，可以用于执行本发明上述各方法实施例中终端所执行的技术方案，其实现原理和技术效果类似，此处不再赘述。
图11为本发明服务器实施例三的结构示意图，如图11所示，本实施例的服务器可以包括：处理器41和收发器42。收发器42，用于与所述服务器外部进行通信。处理器41，用于通过收发器42接收第一4G网络小区服务的至少一个终端发送的CSFB被叫失败报告，所述CSFB被叫失败报告包括所述第一4G网络小区的标识，每个所述终端发送的所述CSFB被叫失败报告用于指示所述第一4G网络小区为CSFB被叫失败小区，所述CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区；以及通过收发器42向所述第一4G网络小区服务的所有终端广播发送所述第一指示信息。
可选地，处理器41，用于在通过收发器42向所述第一4G网络小区服务的所有终端广播发送第一指示信息之前，确定在第二预设时间段内接收的所述CSFB被叫失败报告的个数大于第一预设值。
可选地，处理器41。还用于在通过收发器42向所述第一4G网络小区内所有终端广播发送第一指示信息之后，通过收发器42向所述第一4G网络小区服务的所有终端广播发送第二指示信息，所述第二指示信息包括所述第一4G网络小区的标识，所述第二指示信息用于指示所述第一4G网络小区不为所述CSFB被叫失败小区。
可选地，处理器41，还用于在通过收发器42向所述第一4G网络小区内的所有终端广播发送第二指示信息之前，确定在第三预设时间段内接收的所述CSFB被叫失败报告的个数小于第二预设值，其中，所述第二预设值小于所述第一预设值。
可选地，所述预设原因包括以下至少一种：
所述终端注册了4G网络的PS域而未注册2G或3G网络的CS域；
所述终端切换到的2G或3G网络小区的位置区与所述第一4G网络小区的位置区不同；
所述第一4G网络小区的相邻小区中未配置2G或3G网络小区。
可选地，本实施例的服务器还可以包括存储器(图中未示出)，用于存储执行CSFB终端通信处理方法的程序代码；处理器41用于调用存储器中的所述程序代码执行上述操作。
本实施例的服务器，可以用于执行本发明上述各方法实施例中服务器所执行的技术方案，其实现原理和技术效果类似，此处不再赘述。
本领域普通技术人员可以理解：实现上述方法实施例的全部或部分步骤可以通过程序指令相关的硬件来完成，前述的程序可以存储于一计算机可读取存储介质中，该程序在执行时，执行包括上述方法实施例的步骤；而前述的存储介质包括：只读内存(Read-Only Memory，简称：ROM)、随机存取存储器(Random Access Memory，简称：RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (33)

  1. 一种电路域回落CSFB终端通信处理方法，其特征在于，包括：
    终端确定第一4G网络小区为CSFB被叫失败小区，所述CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区，所述第一4G网络小区为所述终端的当前服务小区；
    当所述终端未进行数据业务时，所述终端将注册网络由4G网络更改为2G或3G网络。
  2. 根据权利要求1所述的方法，其特征在于，所述终端将注册网络由4G网络更改为2G或3G网络之后，还包括：
    当所述终端发起数据业务时，所述终端将注册网络由所述2G或3G网络更改为所述4G网络。
  3. 根据权利要求1或2所述的方法，其特征在于，所述终端确定第一4G网络小区为CSFB被叫失败小区之后，还包括：
    所述终端向服务器发送CSFB被叫失败报告，所述CSFB被叫失败报告包括所述第一4G网络小区的标识，所述CSFB被叫失败报告用于指示所述第一4G网络小区为所述CSFB被叫失败小区。
  4. 根据权利要求1-3任意一项所述的方法，其特征在于，所述终端确定第一4G网络小区为CSFB被叫失败小区，包括：
    所述终端确定所述终端的CSFB被叫失败；
    所述终端获取引起所述终端的CSFB被叫失败的原因；
    当所述引起所述终端的CSFB被叫失败的原因属于所述预设原因时，所述终端确定所述第一4G网络小区为所述CSFB被叫失败小区。
  5. 根据权利要求1-3任意一项所述的方法，其特征在于，所述终端确定第一4G网络小区为CSFB被叫失败小区之前，还包括：
    所述终端接收服务器广播发送的第一指示信息，所述第一指示信息包括所述第一4G网络小区的标识，所述第一指示信息用于指示所述第一4G网络小区为所述CSFB被叫失败小区；
    所述终端确定第一4G网络小区为CSFB被叫失败小区，包括：所述终端根据所述第一指示信息确定所述第一4G网络小区为CSFB被叫失败小区。
  6. 根据权利要求1-5任意一项所述的方法，其特征在于，所述终端确定 第一4G网络小区为CSFB被叫失败小区之后，还包括：
    所述终端将所述第一4G网络小区的标识记录在所述终端的CSFB被叫失败小区列表中。
  7. 根据权利要求1-3任意一项所述的方法，其特征在于，所述终端确定第一4G网络小区为CSFB被叫失败小区，包括：当所述终端的CSFB被叫失败小区列表中包括所述第一4G网络小区的标识时，所述终端确定所述第一4G网络小区为CSFB被叫失败小区。
  8. 根据权利要求1-7任意一项所述的方法，其特征在于，所述预设原因包括以下至少一种：
    所述终端注册了4G网络的分组交换PS域而未注册2G或3G网络的电路交换CS域；
    所述终端切换到的2G或3G网络小区的位置区与所述第一4G网络小区的位置区不同；
    所述第一4G网络小区的相邻小区中未配置2G或3G网络小区。
  9. 一种电路域回落CSFB终端通信处理方法，其特征在于，包括：
    服务器接收第一4G网络小区服务的至少一个终端发送的CSFB被叫失败报告，所述CSFB被叫失败报告包括所述第一4G网络小区的标识，每个所述终端发送的所述CSFB被叫失败报告用于指示所述第一4G网络小区为CSFB被叫失败小区，所述CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区；
    所述服务器向所述第一4G网络小区服务的所有终端广播发送第一指示信息，所述第一指示信息包括所述第一4G网络小区的标识，所述第一指示信息用于指示所述第一4G网络小区为所述CSFB被叫失败小区。
  10. 根据权利要求9所述的方法，其特征在于，所述服务器向所述第一4G网络小区服务的所有终端广播发送第一指示信息之前，还包括：
    所述服务器确定在第二预设时间段内接收的所述CSFB被叫失败报告的个数大于第一预设值。
  11. 根据权利要求9或10所述的方法，其特征在于，所述预设原因包括以下至少一种：
    所述终端注册了4G网络的分组交换PS域而未注册2G或3G网络的电 路交换CS域；
    所述终端切换到的2G或3G网络小区的位置区与所述第一4G网络小区的位置区不同；
    所述第一4G网络小区的相邻小区中未配置2G或3G网络小区。
  12. 一种终端，其特征在于，包括：
    确定单元，用于确定第一4G网络小区为电路域回落CSFB被叫失败小区，所述CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区，所述第一4G网络小区为所述终端的当前服务小区；
    处理单元，用于当所述终端未进行数据业务时，将注册网络由4G网络更改为2G或3G网络。
  13. 根据权利要求12所述的终端，其特征在于，所述处理单元还用于，在将注册网络由4G网络更改为2G或3G网络之后，当所述终端发起数据业务时，将注册网络由所述2G或3G网络更改为所述4G网络。
  14. 根据权利要求12或13所述的终端，其特征在于，还包括：
    发送单元，用于在所述确定单元确定第一4G网络小区为CSFB被叫失败小区之后，向服务器发送CSFB被叫失败报告，所述CSFB被叫失败报告包括所述第一4G网络小区的标识，所述CSFB被叫失败报告用于指示所述第一4G网络小区为所述CSFB被叫失败小区。
  15. 根据权利要求12-14任意一项所述的终端，其特征在于，所述确定单元具体用于：确定所述终端的CSFB被叫失败；获取引起所述终端的CSFB被叫失败的原因；当所述引起所述终端的CSFB被叫失败的原因属于所述预设原因时，确定所述第一4G网络小区为所述CSFB被叫失败小区。
  16. 根据权利要求12-14任意一项所述的终端，其特征在于，还包括：
    第一接收单元，用于在所述确定单元确定第一4G网络小区为CSFB被叫失败小区之前，接收服务器广播发送的第一指示信息，所述第一指示信息包括所述第一4G网络小区的标识，所述第一指示信息用于指示所述第一4G网络小区为所述CSFB被叫失败小区；
    所述确定单元具体用于：根据所述第一指示信息确定所述第一4G网络小区为CSFB被叫失败小区。
  17. 根据权利要求12-16任意一项所述的终端，其特征在于，所述处理 单元，还用于在所述确定单元确定第一4G网络小区为CSFB被叫失败小区之后，将所述第一4G网络小区的标识记录在所述终端的CSFB被叫失败小区列表中。
  18. 根据权利要求12-14任意一项所述的终端，其特征在于，所述确定单元具体用于：当所述终端的CSFB被叫失败小区列表中包括所述第一4G网络小区的标识时，确定所述第一4G网络小区为CSFB被叫失败小区。
  19. 根据权利要求12-18任意一项所述的终端，其特征在于，所述预设原因包括以下至少一种：
    所述终端注册了4G网络的分组交换PS域而未注册2G或3G网络的电路交换CS域；
    所述终端切换到的2G或3G网络小区的位置区与所述第一4G网络小区的位置区不同；
    所述第一4G网络小区的相邻小区中未配置2G或3G网络小区。
  20. 一种服务器，其特征在于，包括：
    接收单元，用于接收第一4G网络小区服务的至少一个终端发送的电路域回落CSFB被叫失败报告，所述CSFB被叫失败报告包括所述第一4G网络小区的标识，每个所述终端发送的所述CSFB被叫失败报告用于指示所述第一4G网络小区为CSFB被叫失败小区，所述CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区；
    发送单元，用于向所述第一4G网络小区服务的所有终端广播发送第一指示信息，所述第一指示信息包括所述第一4G网络小区的标识，所述第一指示信息用于指示所述第一4G网络小区为所述CSFB被叫失败小区。
  21. 根据权利要求21所述的服务器，其特征在于，还包括：
    第一确定单元，用于在所述发送单元向所述第一4G网络小区服务的所有终端广播发送第一指示信息之前，确定在第二预设时间段内接收的所述CSFB被叫失败报告的个数大于第一预设值。
  22. 根据权利要求20或21所述的服务器，其特征在于，所述预设原因包括以下至少一种：
    所述终端注册了4G网络的分组交换PS域而未注册2G或3G网络的电路交换CS域；
    所述终端切换到的2G或3G网络小区的位置区与所述第一4G网络小区的位置区不同；
    所述第一4G网络小区的相邻小区中未配置2G或3G网络小区。
  23. 一种终端，其特征在于，包括：收发器和处理器；
    所述收发器，用于与所述终端外部进行通信；
    所述处理器，用于确定第一4G网络小区为CSFB被叫失败小区，所述CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区，所述第一4G网络小区为所述终端的当前服务小区；当所述终端未进行数据业务时，将注册网络由4G网络更改为2G或3G网络。
  24. 根据权利要求23所述的终端，其特征在于，所述处理器，还用于在将注册网络由4G网络更改为2G或3G网络之后，当所述终端发起数据业务时，将注册网络由所述2G或3G网络更改为所述4G网络。
  25. 根据权利要求23或24所述的终端，其特征在于，所述处理器还用于：
    在确定所述第一4G网络小区为CSFB被叫失败小区之后，通过所述收发器向服务器发送CSFB被叫失败报告，所述CSFB被叫失败报告包括所述第一4G网络小区的标识，所述CSFB被叫失败报告用于指示所述第一4G网络小区为所述CSFB被叫失败小区。
  26. 根据权利要求23-25任意一项所述的终端，其特征在于，所述处理器在确定所述第一4G网络小区为CSFB被叫失败小区时，具体用于：确定所述终端的CSFB被叫失败，获取引起所述终端的CSFB被叫失败的原因，当所述引起所述终端的CSFB被叫失败的原因属于所述预设原因时，确定所述第一4G网络小区为所述CSFB被叫失败小区。
  27. 根据权利要求23-26任意一项所述的终端，其特征在于，所述处理器还用于：在确定所述第一4G网络小区为CSFB被叫失败小区之前，通过所述收发器接收服务器广播发送的第一指示信息，所述第一指示信息包括所述第一4G网络小区的标识，所述第一指示信息用于指示所述第一4G网络小区为所述CSFB被叫失败小区；
    所述处理器在确定第一4G网络小区为CSFB被叫失败小区时，具体用于：根据所述第一指示信息确定所述第一4G网络小区为CSFB被叫失败小区。
  28. 根据权利要求23-27任意一项所述的终端，其特征在于，所述处理器还用于：在确定第一4G网络小区为CSFB被叫失败小区之后，将所述第一4G网络小区的标识记录在所述终端的CSFB被叫失败小区列表中。
  29. 根据权利要求23-26任意一项所述的终端，其特征在于，所述处理器在确定第一4G网络小区为CSFB被叫失败小区时，具体用于：当所述终端的CSFB被叫失败小区列表中包括所述第一4G网络小区的标识时，确定所述第一4G网络小区为CSFB被叫失败小区。
  30. 根据权利要求23-29任意一项所述的终端，其特征在于，所述预设原因包括以下至少一种：
    所述终端注册了4G网络的分组交换PS域而未注册2G或3G网络的电路交换CS域；
    所述终端切换到的2G或3G网络小区的位置区与所述第一4G网络小区的位置区不同；
    所述第一4G网络小区的相邻小区中未配置2G或3G网络小区。
  31. 一种服务器，其特征在于，包括：处理器和收发器；
    所述收发器，用于与所述服务器外部进行通信；
    所述处理器，用于通过所述收发器接收第一4G网络小区服务的至少一个终端发送的CSFB被叫失败报告，所述CSFB被叫失败报告包括所述第一4G网络小区的标识，每个所述终端发送的所述CSFB被叫失败报告用于指示所述第一4G网络小区为CSFB被叫失败小区，所述CSFB被叫失败小区为由预设原因造成CSFB被叫失败的4G网络小区；以及通过所述收发器向所述第一4G网络小区服务的所有终端广播发送所述第一指示信息。
  32. 根据权利要求31所述的服务器，其特征在于，所述处理器，还用于在通过所述收发器向所述第一4G网络小区服务的所有终端广播发送第一指示信息之前，确定在第二预设时间段内接收的所述CSFB被叫失败报告的个数大于第一预设值。
  33. 根据权利要求31或32所述的服务器，其特征在于，所述预设原因包括以下至少一种：
    所述终端注册了4G网络的分组交换PS域而未注册2G或3G网络的电路交换CS域；
    所述终端切换到的2G或3G网络小区的位置区与所述第一4G网络小区的位置区不同；
    所述第一4G网络小区的相邻小区中未配置2G或3G网络小区。
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