CN111918391B - Paging processing method, evolved node B and mobile terminal - Google Patents
Paging processing method, evolved node B and mobile terminal Download PDFInfo
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- CN111918391B CN111918391B CN202010934608.7A CN202010934608A CN111918391B CN 111918391 B CN111918391 B CN 111918391B CN 202010934608 A CN202010934608 A CN 202010934608A CN 111918391 B CN111918391 B CN 111918391B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/02—Arrangements for increasing efficiency of notification or paging channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention discloses a paging processing method, which comprises the following steps: receiving fallback failure notification information sent by a mobile terminal, and acquiring the carried mobile terminal identifier and frequency point information of a cell in which the fallback of the mobile terminal fails; and establishing a corresponding relation between the frequency point information of the cell and the identification of the mobile terminal, and starting timing. If the mobile terminal receives the paging request again within the preset time, the eNB can determine the cell which fails to fall back when the mobile terminal starts to time according to the corresponding relation, and accordingly, the configuration information of the falling back cell is filtered to ensure that the mobile terminal cannot fall back to the cell again, so that the call failure is avoided, the ping-pong effect is formed, and the mobile terminal can successfully respond to the paging and establish the call. The invention also discloses an evolution type base station and a mobile terminal.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a paging processing method, an evolved node base station and a mobile terminal.
Background
At present, in a CSFB (Circuit Switched Fallback) call implementation process, when a Mobile terminal has an incoming call, an MSC (Mobile Switching Center) sends a paging request to an MME (Mobile management Entity), the MME (Mobile management Entity) sends a paging request to the Mobile terminal, the Mobile terminal receives the paging request sent by the MME, the Mobile terminal sends an extended service request to the MME, the MME sends a Mobile terminal Fallback cell indication to an eNB (evolved Node B), the eNB sends configured Fallback cell information to the Mobile terminal, the Mobile terminal performs Fallback cell measurement, sends a measurement result to the eNB, the eNB determines an appropriate Fallback cell and then sends the information to the Mobile terminal, the Mobile terminal falls back to the appropriate cell, if the Fallback cell is in a congestion state, the Mobile terminal rejects a CSFB (Mobile terminal Fallback failure, the Mobile terminal Fallback call continues to call the Mobile terminal, the Mobile terminal indicates that the Mobile terminal is in a Fallback cell, and the Mobile terminal may fail to form a ping-pong call, and the Mobile terminal may fail to the eNB.
Disclosure of Invention
Therefore, the invention provides a paging processing method, an evolved node B and a mobile terminal, so as to solve the problem of CSFB call release caused by the failure that an eNB cannot perceive the mobile terminal to fall back to a cell in the prior art.
In order to achieve the above object, a first aspect of the present invention provides a paging processing method, including:
receiving fallback failure notification information sent by a mobile terminal, and acquiring the carried mobile terminal identifier and frequency point information of a cell in which the fallback of the mobile terminal fails;
and establishing a corresponding relation between the frequency point information of the cell and the identification of the mobile terminal, and starting timing.
In some embodiments, after the establishing the correspondence between the frequency point information of the cell and the identifier of the mobile terminal, the method further includes:
if the indication information of the fallback cell including the identifier of the mobile terminal sent by the mobility management entity MME is received and the timed duration is smaller than a preset threshold, deleting the frequency point information of the cell from the configuration information of the fallback cell according to the corresponding relation;
and sending the configuration information of the fallback cell with the deleted frequency point information of the cell to the mobile terminal so that the mobile terminal performs fallback cell measurement according to the configuration information of the fallback cell.
In order to achieve the above object, a second aspect of the present invention provides a paging processing method, including:
if receiving the message of refusing to reside in the cell, releasing the circuit switched fallback CSFB call;
and sending fall-back failure notification information to an evolved node B (eNB), wherein the fall-back failure notification information comprises frequency point information of a cell in which the fall-back of the mobile terminal fails, and the cell in which the fall-back fails is a cell in which the mobile terminal is rejected to reside.
In some embodiments, after the sending the fallback failure notification information to the eNB, the method further includes:
receiving fallback cell configuration information sent by the eNB;
and measuring the fallback cell according to the configuration information of the fallback cell, generating measurement information of the fallback cell, and sending the measurement information of the fallback cell to the eNB.
In some embodiments, after the sending the fallback cell measurement information to the eNB, the method further includes:
receiving fallback cell notification information sent by the eNB and acquiring cell information carried in the fallback cell notification information, wherein the fallback cell notification information is generated by the eNB according to the fallback cell measurement information;
and the information is dropped to a cell corresponding to the cell information, and a paging response is initiated to a Mobile Switching Center (MSC).
In order to achieve the above object, a third aspect of the present invention provides an enb, including:
the receiving module is used for receiving the fallback failure notification information sent by the mobile terminal and acquiring the carried mobile terminal identifier and the frequency point information of the cell in which the fallback of the mobile terminal fails;
and the processing module is used for establishing the corresponding relation between the frequency point information of the cell and the identifier of the mobile terminal and starting timing.
In some embodiments, the evolved base station further comprises a transmitting module;
the receiving module is further configured to receive fallback cell indication information including the identifier of the mobile terminal, which is sent by a mobility management entity MME;
the processing module is further configured to, if the receiving module receives fallback cell indication information including the identifier of the mobile terminal sent by a mobility management entity MME and the timed duration is less than a preset threshold, delete the frequency point information of the cell from the fallback cell configuration information according to the correspondence;
the sending module is used for sending the fallback cell configuration information of the deleted cell frequency point information to the mobile terminal, so that the mobile terminal performs fallback cell measurement according to the fallback cell configuration information.
In order to achieve the above object, a fourth aspect of the present invention provides a mobile terminal comprising:
a receiving module, configured to receive a cell residence refusing message;
a processing module, configured to release a circuit switched fallback CSFB call when the receiving module receives the message of rejecting camping on the cell;
and the sending module is used for sending fall-back failure notification information to the evolved node B eNB, wherein the fall-back failure notification information comprises frequency point information of a cell where the fall-back of the mobile terminal fails, and the cell where the fall-back fails is a cell where the mobile terminal is rejected to reside.
In some embodiments, the receiving module is further configured to receive fallback cell configuration information sent by the eNB;
the processing module is further configured to perform fallback cell measurement according to the fallback cell configuration information, and generate fallback cell measurement information;
the sending module is further configured to send the fallback cell measurement information to the eNB.
In some embodiments, the receiving module is further configured to receive fallback cell notification information sent by the eNB;
the processing module is further configured to acquire cell information carried in fallback cell notification information, where the fallback cell notification information is generated by the eNB according to the fallback cell measurement information; and the mobile terminal is also used for falling back to the cell corresponding to the cell information and initiating a paging response to the Mobile Switching Center (MSC).
The invention has the following advantages:
in the paging processing method provided by the embodiment of the invention, the eNB timely notifies the eNB of the frequency point information of the cell with the fallback failure after the mobile terminal fails to fall back to the cell, the eNB establishes the corresponding relation between the frequency point information of the cell with the fallback failure of the mobile terminal and the identifier of the mobile terminal and starts timing, if the mobile terminal receives the paging request again within the preset time, the eNB can determine the cell with the fallback failure of the mobile terminal when the timing is started according to the corresponding relation, and the configuration information of the fallback cell is filtered according to the corresponding relation to ensure that the mobile terminal cannot fall back to the cell again, so that the call failure is avoided, the ping-pong effect is formed, and the mobile terminal can successfully respond to the paging and establish the call.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a first flowchart illustrating a paging processing method applied to an enb according to embodiment 1 of the present invention;
fig. 2 is a second flowchart illustrating a paging processing method applied to an enb according to embodiment 2 of the present invention;
fig. 3 is a first flowchart illustrating a paging processing method applied to a mobile terminal according to embodiment 3 of the present invention;
fig. 4 is a flowchart illustrating a second process when the paging processing method according to embodiment 4 of the present invention is applied to a mobile terminal;
fig. 5 is a third schematic flowchart of a paging processing method applied to a mobile terminal according to embodiment 5 of the present invention;
fig. 6 is a signaling diagram of a paging processing method according to embodiment 6 of the present invention;
fig. 7 is a first schematic structural diagram of an evolved node b according to embodiment 7 of the present invention;
fig. 8 is a schematic structural diagram of an evolved node b according to embodiment 8 of the present invention;
fig. 9 is a schematic structural diagram of a mobile terminal according to embodiment 9 of the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The paging processing method provided by the embodiment of the invention can be applied to a paging processing system comprising a calling mobile terminal, a called mobile terminal, an eNB, an MME and a called MSC.
As shown in fig. 1, an embodiment of the present invention provides a paging processing method, which when applied to an evolved node b, may include the following steps:
and 11, receiving the fallback failure notification information sent by the mobile terminal, and acquiring the identifier of the mobile terminal carried in the fallback failure notification information and the frequency point information of the cell in which the mobile terminal has failed to fall back.
The mobile terminal is a called mobile terminal, and the fallback failure notification message is sent when the called mobile terminal fails to fallback to a cell after receiving a paging request of a calling mobile terminal.
And step 12, establishing a corresponding relation between the frequency point information of the cell and the identifier of the mobile terminal, and starting timing.
It can be seen from the foregoing steps 11-12 that, in the paging processing method provided in the embodiment of the present invention, after the mobile terminal fails to fall back to the cell, the eNB notifies the eNB of the frequency point information of the cell that failed to fall back, the eNB establishes a correspondence between the frequency point information of the cell that failed to fall back and the identifier of the mobile terminal, and starts timing, and if the mobile terminal receives the paging request again within the preset time, the eNB may determine, according to the correspondence, the cell that failed to fall back when the mobile terminal starts timing, and filter configuration information of the cell that falls back accordingly to ensure that the mobile terminal cannot fall back to the cell again, thereby avoiding call failure and forming a ping-pong effect, and ensuring that the mobile terminal can successfully respond to a page and establish a call.
As shown in fig. 2, in some embodiments, after the establishing a correspondence between the frequency point information of the cell and the identifier of the mobile terminal (i.e. step 12), the method may further include the following steps:
and step 13, if the indication information of the fallback cell including the identifier of the mobile terminal sent by the MME is received and the timed duration is less than the preset threshold, deleting the frequency point information of the cell from the configuration information of the fallback cell according to the corresponding relation.
When the mobile terminal receives the paging request again, the mobile terminal sends an extended service request to the MME, and the MME sends a fallback cell indication message to the eNB. Therefore, when the indication information of the fallback cell sent by the MME is received again and the indication information of the fallback cell includes the identifier of the mobile terminal, the eNB may determine that the mobile terminal has an incoming call, and the eNB may determine whether the timed duration is smaller than the preset threshold, if so, the eNB may determine the frequency point information of the cell where the fallback of the mobile terminal fails according to the correspondence between the frequency point information of the cell established in step 12 and the identifier of the mobile terminal, and delete the frequency point information of the cell from the configuration information of the fallback cell corresponding to the mobile terminal.
And step 14, sending the configuration information of the fallback cells with the deleted frequency point information of the cells to the mobile terminal, so that the mobile terminal performs the measurement of the fallback cells according to the configuration information of the fallback cells.
The eNB can send the fallback cell configuration information of the cell in which the fallback of the mobile terminal is failed to be deleted to the mobile terminal so that the mobile terminal can perform the fallback cell measurement. The mobile terminal is prevented from failing to fall back again, so that the mobile terminal is prevented from releasing the CSFB call again to form a ping-pong effect, and the mobile terminal is ensured to be capable of successfully responding to paging and establishing a call.
As shown in fig. 3, an embodiment of the present invention provides a paging processing method, which when applied to a mobile terminal, may include the following steps:
step 21, if the message of rejecting to reside in the cell is received, releasing the CSFB call.
The mobile terminal will try to fall back to a suitable cell after receiving the paging request, and if the cell is in a congestion state, the mobile terminal will be rejected from residing. If the message of refusing to reside in the cell is received, the cell falling back is failed, the mobile terminal releases the CSFB call, and the calling mobile terminal fails to call the called mobile terminal at this time.
Step 22, sending a fallback failure notification message to the eNB, where the fallback failure notification message includes frequency point information of a cell where the mobile terminal has failed to fallback, and the cell where the fallback fails is a cell where the mobile terminal is rejected to reside.
When the CSFB is released due to the cell refusing to camp, the mobile terminal may notify the eNB of the frequency point information of the cell where the mobile terminal is refused to camp, so that the eNB records the cell where the fallback fails, and measures are taken to prevent the mobile terminal from falling back to the cell again within a certain time.
As shown in fig. 4, in some embodiments, after the sending the fallback failure notification information to the eNB (i.e. step 22), the following steps may be further included:
and step 23, receiving the configuration information of the fallback cell sent by the eNB.
The fallback cell configuration information is the fallback cell configuration information of the eNB which deletes the frequency point information of the cell in which the fallback of the mobile terminal fails before the timed duration.
And 24, measuring the fallback cell according to the configuration information of the fallback cell, generating measurement information of the fallback cell, and sending the measurement information of the fallback cell to the eNB.
Since the configuration information of the fallback cell does not include the frequency point information of the cell in which the fallback of the mobile terminal has failed in step 21, the mobile terminal will not measure the cell, and therefore the measurement information of the fallback cell sent to the eNB also does not include the measurement result of the cell.
As shown in fig. 5, in some embodiments, after the sending the fallback cell measurement information to the eNB (i.e., step 24), the method may further include:
and step 25, receiving the fallback cell notification information sent by the eNB, and acquiring the cell information carried in the fallback cell notification information, wherein the fallback cell notification information is generated by the eNB according to the fallback cell measurement information.
The eNB may determine a suitable cell according to the fallback cell measurement information sent by the mobile terminal, and notify the mobile terminal to fallback to the suitable cell. Since the measurement information of the fallback cell sent by the mobile terminal to the eNB does not include the measurement result of the cell in which the fallback of the mobile terminal failed in step 21, the fallback cell notification information generated by the eNB will also not include the cell information.
And step 26, falling back to the cell corresponding to the cell information, and initiating a paging response to the mobile switching center MSC.
Since the cell notified by the eNB is not the cell that the mobile terminal failed to fall back in step 21, the mobile terminal will successfully fall back to the cell and can successfully initiate a paging response to the MSC to establish a call with the calling mobile terminal. The situation that the mobile terminal falls back to the cell where the mobile terminal is refused to reside within a certain time is avoided, the ping-pong effect is avoided, and the mobile terminal can successfully respond to the paging.
The following briefly describes a paging processing method provided by the present invention with reference to a specific embodiment.
The mobile terminal adopts a 4G (the 4Generation mobile communication technology, fourth Generation communication technology) multi-mode card, and the 4G multi-mode card selects the CSFB technology to realize voice call. As shown in fig. 6, the specific flow of the paging processing method may include the following steps:
step 31, the mobile terminal (User Equipment, UE) sends an Attach Request message to the MME through the 4G multimode card.
And after the mobile terminal is started, starting a joint attachment process through the 4G multimode card, namely sending an Attach Request message to the MME. The parameter Attach Type indicates that the Attach is a joint EPS (Evolved Packet System) Attach and IMSI (International Mobile Subscriber identity) Attach flow, and indicates that the Mobile terminal has CS Fallback (Circuit Switched Fallback) capability.
In step 32, the MME sends an SGsAP-LOCATION-UPDATE-REQUEST message to the corresponding VLR (Visited LOCATION register).
The Location Update request message includes parameters such as a new LAI (Location Area identity), an IMSI of the 4G multimode card, an MME name (MME identifier), and a Location Update Type.
Step 33, the vlr stores the MME information and creates SGs associations with the 4G multimode cards under the MME.
The SGs is an interface between the MSC1/VLR and the MME, and a joint attachment function can be realized through the interface.
Step 34, the vlr initiates the 4G multi-mode card Location update procedure of the HLR (Home Location Register) according to the user information and the Location area information.
Step 35, the vlr returns acknowledgement information to the MME.
Step 36, the MME sends Attach Accept message to the UE to complete the joint Attach.
Step 37, when the UE has an incoming call, the calling MSC2 sends a call request to the MSC1 attached to the UE.
Step 38, the called MSC1 sends a paging request to the MME.
Step 39, the MME sends a paging request to the UE.
And step 40, the UE receives the paging request sent by the MME, and the UE sends an extended service request to the MME.
And step 41, the MME sends UE falling cell indication information to the eNB.
And step 42, the eNB sends the configuration information of the fallback cell to the UE.
And step 43, the UE performs the measurement of the fallback cell and sends the measurement information of the fallback cell including the measurement result to the eNB.
And step 44, after the eNB determines a proper fallback cell, sending the fallback cell notification information including the cell information to the UE.
Step 45, the ue falls back to the appropriate cell.
And step 46, the UE receives the message of rejecting the resident cell and releases the circuit switched fallback CSFB call.
If the suitable cell is in the congestion state and the UE is rejected to camp, the UE receives the message of rejecting to camp.
And step 47, the UE returns to the LTE network and sends fall-back failure notification information to the eNB, wherein the fall-back failure notification information comprises frequency point information of a cell in which the UE fails to fall back.
And the cell in which the fallback fails is the cell for rejecting the UE to reside.
And step 48, the eNB establishes the corresponding relation between the frequency point information of the cell and the UE identification and starts timing.
And step 49, if the UE has an incoming call and the timed duration is less than the preset threshold, the eNB deletes the frequency point information of the cell from the configuration information of the fallback cell according to the corresponding relation.
And step 50, the eNB sends the configuration information of the fallback cell with the deleted frequency point information of the cell to the UE.
And step 51, the UE performs the measurement of the fallback cell and sends the measurement information of the fallback cell including the measurement result to the eNB.
In step 52, after the enb determines a suitable fallback cell, the enb sends fallback cell notification information including the cell information to the UE.
In step 53, the ue drops back to the appropriate cell and sends a paging response to the MSC1 to establish a call.
Based on the same technical concept, as shown in fig. 7, an embodiment of the present invention further provides an evolved node b, which may include:
the receiving module 101 is configured to receive the fallback failure notification information sent by the mobile terminal, and acquire the identifier of the mobile terminal carried in the fallback failure notification information and the frequency point information of the cell where the fallback of the mobile terminal fails.
The processing module 102 is configured to establish a correspondence between the frequency point information of the cell and the identifier of the mobile terminal, and start timing.
In some embodiments, as shown in fig. 8, the enb further includes a sending module 103.
The receiving module 101 is further configured to receive fallback cell indication information including an identifier of the mobile terminal, which is sent by the mobility management entity MME.
The processing module 102 is further configured to, if the receiving module 101 receives fallback cell indication information that includes an identifier of a mobile terminal and is sent by the mobility management entity MME, and the timed duration is less than a preset threshold, delete the frequency point information of the cell from the fallback cell configuration information according to the corresponding relationship.
The sending module 103 is configured to send the fallback cell configuration information of the deleted cell frequency point information to the mobile terminal, so that the mobile terminal performs fallback cell measurement according to the fallback cell configuration information.
Based on the same technical concept, as shown in fig. 9, an embodiment of the present invention further provides a mobile terminal, which may include:
a receiving module 201, configured to receive a cell camping refusal message.
A processing module 202, configured to release the circuit switched fallback CSFB call when the receiving module receives the message of rejecting camping on the cell.
A sending module 203, configured to send a fallback failure notification message to an eNB, where the fallback failure notification message includes frequency point information of a cell where the mobile terminal has failed to fallback, and the cell where the fallback fails is a cell where the mobile terminal is rejected to reside.
In some embodiments, the receiving module 201 is further configured to receive fallback cell configuration information sent by the eNB.
The processing module 202 is further configured to perform fallback cell measurement according to the fallback cell configuration information, and generate fallback cell measurement information.
The sending module 203 is further configured to send the fallback cell measurement information to the eNB.
In some embodiments, the receiving module 201 is further configured to receive fallback cell notification information sent by the eNB.
The processing module 202 is further configured to obtain cell information carried in fallback cell notification information, where the fallback cell notification information is generated by the eNB according to the fallback cell measurement information; and the mobile terminal is also used for falling back to the cell corresponding to the cell information and initiating a paging response to the mobile switching center MSC.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (6)
1. A method for processing paging, comprising:
receiving fallback failure notification information sent by a mobile terminal, and acquiring the carried mobile terminal identifier and frequency point information of a cell in which the fallback of the mobile terminal fails;
establishing a corresponding relation between the frequency point information of the cell and the identification of the mobile terminal, and starting timing;
after the corresponding relationship between the frequency point information of the cell and the identifier of the mobile terminal is established, the method further comprises the following steps:
if the indication information of the fallback cell including the identifier of the mobile terminal sent by the mobility management entity MME is received and the timed duration is smaller than a preset threshold, deleting the frequency point information of the cell from the configuration information of the fallback cell according to the corresponding relation;
and sending the configuration information of the fallback zone from which the frequency point information of the cell is deleted to the mobile terminal, so that the mobile terminal performs fallback cell measurement according to the configuration information of the fallback zone.
2. A method for processing paging, comprising:
if receiving the message of refusing to reside in the cell, releasing the circuit switched fallback CSFB call;
sending fallback failure notification information to an evolved node B (eNB), wherein the fallback failure notification information comprises frequency point information of a cell where the fallback of the mobile terminal fails, the cell where the fallback fails is a cell where the mobile terminal is rejected to reside, so that the evolved node B (eNB) can establish a corresponding relation between the frequency point information of the cell and an identifier of the mobile terminal and start timing, and when fallback cell indication information which comprises the identifier of the mobile terminal and is sent by a Mobility Management Entity (MME) is received and the timed duration is smaller than a preset threshold value, deleting the frequency point information of the cell from fallback cell configuration information according to the corresponding relation;
after the sending the fall back failure notification information to the eNB, the method further includes:
receiving fallback cell configuration information which is sent by the eNB and is deleted of the frequency point information of the cell;
and measuring the fallback cell according to the configuration information of the fallback cell, generating measurement information of the fallback cell, and sending the measurement information of the fallback cell to the eNB.
3. The method of claim 2, wherein after the transmitting the fallback cell measurement information to the eNB, further comprising:
receiving fallback cell notification information sent by the eNB, and acquiring cell information carried in the fallback cell notification information, wherein the fallback cell notification information is generated by the eNB according to the fallback cell measurement information;
and the information is dropped to a cell corresponding to the cell information, and a paging response is initiated to a Mobile Switching Center (MSC).
4. An evolved base station, comprising:
the receiving module is used for receiving the fallback failure notification information sent by the mobile terminal and acquiring the carried mobile terminal identifier and the frequency point information of the cell in which the fallback of the mobile terminal fails;
the processing module is used for establishing a corresponding relation between the frequency point information of the cell and the identifier of the mobile terminal and starting timing;
the evolution type base station also comprises a sending module;
the receiving module is further configured to receive fallback cell indication information including the identifier of the mobile terminal, which is sent by a mobility management entity MME;
the processing module is further configured to, if the receiving module receives fallback cell indication information including the identifier of the mobile terminal sent by a mobility management entity MME and the timed duration is less than a preset threshold, delete the frequency point information of the cell from the fallback cell configuration information according to the correspondence;
the sending module is used for sending the fallback cell configuration information of the deleted cell frequency point information to the mobile terminal, so that the mobile terminal performs fallback cell measurement according to the fallback cell configuration information.
5. A mobile terminal, comprising:
a receiving module, configured to receive a cell residence refusing message;
a processing module, configured to release a circuit switched fallback CSFB call when the receiving module receives the cell residence rejection message;
a sending module, configured to send fallback failure notification information to an evolved node b (eNB), where the fallback failure notification information includes frequency point information of a cell in which a mobile terminal has failed to fallback, the cell in which the mobile terminal has failed to fallback is a cell in which the mobile terminal is rejected to allow the eNB to establish a correspondence between the frequency point information of the cell and an identifier of the mobile terminal and start timing, and when receiving fallback cell indication information including the identifier of the mobile terminal sent by a Mobility Management Entity (MME) and a timed duration is less than a preset threshold, the eNB deletes the frequency point information of the cell from fallback cell configuration information according to the correspondence;
the receiving module is further configured to receive fallback cell configuration information, which is sent by the eNB and from which the frequency point information of the cell has been deleted;
the processing module is further configured to perform fallback cell measurement according to the fallback cell configuration information, and generate fallback cell measurement information;
the sending module is further configured to send the fallback cell measurement information to the eNB.
6. The mobile terminal of claim 5, wherein the receiving module is further configured to receive fallback cell notification information sent by the eNB;
the processing module is further configured to acquire cell information carried in fallback cell notification information, where the fallback cell notification information is generated by the eNB according to the fallback cell measurement information; and the mobile terminal is also used for falling back to the cell corresponding to the cell information and initiating a paging response to the Mobile Switching Center (MSC).
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| CN103561436B (en) * | 2013-11-05 | 2016-06-15 | 中国联合网络通信集团有限公司 | A kind of network redirection method and device |
| CN105704786A (en) * | 2014-11-28 | 2016-06-22 | 展讯通信（上海）有限公司 | Cell rapid searching method and mobile terminal |
| KR20180082163A (en) * | 2017-01-10 | 2018-07-18 | 주식회사 케이티 | Terminal apparatus and method of cs fallback, base station and method for supporting cs fallback |
| CN107371203B (en) * | 2017-08-28 | 2020-06-05 | Oppo广东移动通信有限公司 | Method for establishing call and related product |
| CN108064456B (en) * | 2017-09-30 | 2021-09-03 | 深圳市欢太科技有限公司 | Abnormal frequency point detection method and device and computer storage medium |
| CN109246779A (en) * | 2018-10-16 | 2019-01-18 | Oppo广东移动通信有限公司 | A kind of information processing method, terminal device and computer readable storage medium |
| CN110167048B (en) * | 2019-05-23 | 2022-03-04 | 中国联合网络通信集团有限公司 | Communication method and system, base station and mobile switching center |
| CN110324823B (en) * | 2019-07-04 | 2022-03-18 | 中国联合网络通信集团有限公司 | CSFB calling method and system |
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