CN112995975B - Combined attachment optimization method, mobile terminal and network system - Google Patents
Combined attachment optimization method, mobile terminal and network system Download PDFInfo
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- CN112995975B CN112995975B CN202110208670.2A CN202110208670A CN112995975B CN 112995975 B CN112995975 B CN 112995975B CN 202110208670 A CN202110208670 A CN 202110208670A CN 112995975 B CN112995975 B CN 112995975B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/06—Registration at serving network Location Register, VLR or user mobility server
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides a joint attachment optimization method, a mobile terminal and a network system, wherein the method comprises the following steps: after starting up, obtaining preconfigured fallback cell information, wherein the preconfigured fallback cell information comprises a cell identifier and frequency point information corresponding to the cell identifier; determining a cell identifier with the best signal in the preconfigured fallback cell information; and sending a joint attachment request to a network side, wherein the joint attachment request carries the cell identifier with the best signal, so that the network side takes the cell identifier with the best signal as the LAI (access identifier) in joint attachment so as to finish joint attachment of the mobile terminal. The method, the mobile terminal and the network system can solve the problems that in the related technology, when the mobile terminal has an incoming call, the position updating flow is needed after the mobile terminal falls back due to inconsistent cell identifiers in the process of combining and attaching or due to the condition that TAI coverage areas are not completely consistent, and the call establishment time is prolonged.
Description
Technical Field
The present invention relates to the field of network technologies, and in particular, to a joint attachment optimization method, a mobile terminal, and a network system.
Background
Currently, in a CSFB (Circuit Switched Fallback ) call implementation process, when a mobile terminal has an incoming call, an MSC (Mobile Switching Center, a mobile switching center) sends a paging request to an MME (Mobility Management Entity, a mobile management entity), the MME sends the paging request to the mobile terminal, the mobile terminal receives the paging request sent by the MME and then sends an extended service request to the MME, the MME sends a mobile terminal fallback cell indication to the eNB, 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 fallback to the appropriate cell, if the fallback cell is inconsistent with the cell identifier when the mobile terminal is attached in a combined mode, the mobile terminal firstly performs location update, and after the location update is completed, the mobile terminal sends paging response information to the MSC to establish a call. The whole call setup time is relatively long and the user perception is not good. Meanwhile, when the mobile terminal is in joint attachment, the LAI (Location Area Identification, position area identifier) is deduced according to the TAI (Tracking Area identity, tracking area identifier) in the joint attachment, but in the LTE network construction process, the coverage area of the TAI is not completely consistent with that of the LAI, the LAI deduced by the TAI is not the LAI of the fallback cell, so that after the joint attachment, the mobile terminal is required to update the position after the call comes back, and the call establishment time is prolonged.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art, and provides a joint attachment optimization method, a mobile terminal and a network system, which are used for solving the problems that in the related art, when a mobile terminal has an incoming call, due to inconsistent cell identification in the case of joint attachment or due to inconsistent coverage of TAI and LAI, the mobile terminal needs to perform a position update process after falling, and the call establishment time is prolonged.
In a first aspect, an embodiment of the present invention provides a method for optimizing joint attachment, which is applied to a mobile terminal, where the method includes:
after starting up, obtaining preconfigured fallback cell information, wherein the preconfigured fallback cell information comprises a cell identifier and frequency point information corresponding to the cell identifier;
determining a cell identifier with the best signal in the preconfigured fallback cell information;
and sending a joint attachment request to a network side, wherein the joint attachment request carries the cell identifier with the best signal, so that the network side takes the cell identifier with the best signal as the LAI (access identifier) in joint attachment so as to finish joint attachment of the mobile terminal.
Preferably, the mobile terminal acquires preconfigured fallback cell information after being started up, which specifically includes:
after the mobile terminal is started, sending a request for acquiring configured fallback cell information to the eNB;
and receiving the preconfigured fallback cell information sent by the eNB.
Preferably, the determining the cell identifier with the best signal in the preconfigured fallback cell information specifically includes:
and measuring according to frequency point information corresponding to each cell identifier in the preconfigured fallback cell information, and determining the cell identifier with the best signal in the preconfigured fallback cell information according to a measurement result.
In a second aspect, an embodiment of the present invention provides a method for optimizing joint attachment, applied to a network side, where the method includes:
the MME receives a joint attachment request sent by the mobile terminal, wherein the joint attachment request carries a cell identifier with the best signal;
the MME sends a location update request message to an MSC/VLR, wherein the location update request message carries the cell identifier with the best signal, the IMSI of the mobile terminal and the IP address of the MME;
after receiving the location update request message, the MSC/VLR stores the IP address of the MME and creates SGs association with the mobile terminal under the MME;
the MSC/VLR initiates a location update flow of the HLR according to the IMSI and the cell identifier with the best signal, and returns confirmation information to the MME;
and after receiving the confirmation information, the MME sends an attachment acceptance message to the mobile terminal to complete the joint attachment of the mobile terminal.
Preferably, before the MME receives the joint attach request sent by the mobile terminal, the method further includes:
the eNB receives a configured fallback cell information acquisition request sent after the mobile terminal is started;
and the eNB sends preconfigured fallback cell information to the mobile terminal.
In a third aspect, an embodiment of the present invention provides a mobile terminal, including:
the configuration information acquisition module is used for acquiring preconfigured fallback cell information after the power-on, wherein the preconfigured fallback cell information comprises a cell identifier and frequency point information corresponding to the cell identifier;
the cell identification determining module is connected with the configuration information acquisition module and is used for determining a cell identification with the best signal in the preconfigured fallback cell information;
and the joint attachment sending module is connected with the cell identification determining module and is used for sending a joint attachment request to a network side, wherein the joint attachment request carries the cell identification with the best signal, so that the network side takes the cell identification with the best signal as the LAI (access identifier) in joint attachment so as to finish joint attachment of the mobile terminal.
Preferably, the configuration information acquisition module includes:
a configuration information request unit, configured to send a request for obtaining configured fallback cell information to an eNB after the mobile terminal is started;
and the configuration information receiving unit is used for receiving the preconfigured fallback cell information sent by the eNB.
Preferably, the cell identification determining module is specifically configured to: and measuring according to frequency point information corresponding to each cell identifier in the preconfigured fallback cell information, and determining the cell identifier with the best signal in the preconfigured fallback cell information according to a measurement result.
In a fourth aspect, an embodiment of the present invention provides a network system, including an MME and an MSC/VLR;
the MME is used for receiving a joint attachment request sent by the mobile terminal, wherein the joint attachment request carries a cell identifier with the best signal;
the MME is further configured to send a location update request message to an MSC/VLR, where the location update request message carries the cell identifier with the best signal, the IMSI of the mobile terminal, and the IP address of the MME;
the MSC/VLR is used for storing the IP address of the MME after receiving the position update request message and creating SGs association with the mobile terminal under the MME;
the MSC/VLR is also used for initiating a location update flow to the HLR according to the IMSI and the cell identifier with the best signal and returning confirmation information to the MME;
and the MME is also used for sending an attachment acceptance message to the mobile terminal after receiving the confirmation information so as to finish the joint attachment of the mobile terminal.
Preferably, the method further comprises an eNB;
the eNB is used for receiving a configured fallback cell information acquisition request sent after the mobile terminal is started, and sending preconfigured fallback cell information to the mobile terminal.
According to the combined attachment optimization method, the mobile terminal and the network system provided by the embodiment of the invention, after the mobile terminal is started, the preconfigured fallback cell information is firstly obtained, the preconfigured fallback cell information comprises the cell identification and the frequency point information corresponding to the cell identification, the mobile terminal determines the cell identification with the best signal in the preconfigured fallback cell information and sends a combined attachment request to the network side, the combined attachment request carries the cell identification with the best signal, so that the network side takes the cell identification with the best signal as the LAI (access identity) in combined attachment to finish the combined attachment of the mobile terminal, and then when the mobile terminal has an incoming call, the mobile terminal firstly falls back to the cell with the best signal, and then sends paging response information to the MSC, so that the call is established without position update, and the problem that in the related art, the position update is required after the call is established due to the fact that the cell identification with the best signal in the fallback cell is inconsistent with the combined attachment, or the situation that the I and the LAI are inconsistent is present in the related art is solved.
Drawings
Fig. 1: a flowchart of a joint attachment optimization method in embodiment 1 of the present invention;
fig. 2: a flowchart of a joint attachment optimization method in embodiment 2 of the present invention;
fig. 3: a schematic structural diagram of a mobile terminal according to embodiment 3 of the present invention;
fig. 4: a schematic structural diagram of a network system according to embodiment 4 of the present invention is shown.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
Example 1:
the present embodiment provides a joint attachment optimization method, as shown in fig. 1, including:
step S102: and after the power-on, acquiring preconfigured fallback cell information, wherein the preconfigured fallback cell information comprises a cell identifier and frequency point information corresponding to the cell identifier.
In this embodiment, the mobile terminal is a 4G multimode card, and the 4G multimode card selects CSFB technology to implement voice call, and when the mobile terminal is powered on, the method first obtains preconfigured fallback cell information specifically includes: after the mobile terminal is started, sending a request for acquiring configured fallback cell information to the eNB, and after receiving the request for acquiring configured fallback cell information, sending the configured fallback cell information to the mobile terminal by the eNB, wherein the preconfigured fallback cell information comprises cell identifiers of a plurality of fallback cells corresponding to the current cell for the mobile terminal to fall back and corresponding frequency point information.
Step S104: and determining the cell identification with the best signal in the preconfigured fallback cell information.
Specifically, the mobile terminal measures according to frequency point information corresponding to each cell identifier in preconfigured fallback cell information, measures a signal strength value of each fallback cell, and determines a cell identifier with the best signal in preconfigured fallback cell information according to a measurement result.
Step S106: and sending a joint attachment request to the network side, wherein the joint attachment request carries the cell identifier with the best signal, so that the network side takes the best cell identifier as the LAI (access identifier) in joint attachment to finish joint attachment of the mobile terminal.
Specifically, the mobile terminal starts a joint attachment procedure of the 4G multimode card, and the mobile terminal 4G multimode card sends an Attach Request message to the MME of the network. The parameter Attach Type indicates that the Attach is a combined EPS/IMSI Attach procedure, and the parameter indicates that the mobile terminal has CS Fallback capability, and the combined Attach message carries a cell identifier with the best signal in the Fallback cell.
In this embodiment, after receiving the joint attach REQUEST sent by the mobile terminal, the MME sends an SGsAP-LOCATION-UPDATE-REQUEST (LOCATION UPDATE REQUEST message) to the corresponding MSC/VLR (Visitor Location Register ), where the message includes parameters such as the new LAI, IMSI (International Mobile Subscriber Identity ) of the 4G multimode card, MME name and Location Update Type (LOCATION UPDATE type). The new LAI is the cell identifier with the best signal in the fallback cell, and the MME name is domain name information or IP address of the MME.
In this embodiment, after receiving the location update request message, the MSC/VLR stores domain name information or IP address of the MME, and creates an association with SGs (Serving General Packet Radio Service ) of a 4G multimode card of the mobile terminal under the MME, and the VLR initiates a 4G multimode card location update procedure of the HLR according to the user information and the location area information, i.e., IMSI information and best cell identification information, where the procedure is a standard 4G multimode card location update procedure, and is not described herein again. MSC/VLR returns confirmation information to MME, after MME receives the confirmation information, it sends Attach Accept message to mobile terminal to complete the joint attachment of mobile terminal.
In this embodiment, when a mobile terminal has an incoming call, an MSC sends a paging request to an MME, the MME sends a paging request to the mobile terminal, and after receiving 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 the eNB, the eNB sends preconfigured fallback cell information to the mobile terminal, the mobile terminal performs fallback cell measurement, a measurement result is sent to the eNB, the eNB sends cell information with the best signal to the mobile terminal, the mobile terminal fallback to the cell with the best signal, and because the cells where the mobile terminal fallback are consistent with the cells when the mobile terminal is jointly attached, namely, the cells with the best signal are all cells, so that the mobile terminal does not need to update the location, directly sends paging response information to the MSC, and establishes a call.
In this embodiment, after determining the cell identifier with the best signal in the preconfigured fallback cell information, the mobile terminal may store the cell identifier with the best signal, when the mobile terminal has an incoming call, the MSC sends a paging request to the MME, the MME sends a paging request to the mobile terminal, after receiving the paging request sent by the MME, the mobile terminal may perform fallback according to the stored cell identifier with the best signal, and directly send paging response information to the MSC after fallback, so as to establish a call, thereby reducing call setup time and improving user experience.
According to the combined attachment optimization method provided by the embodiment of the invention, the preconfigured fallback cell information is firstly obtained after the mobile terminal is started, the preconfigured fallback cell information comprises the cell identification and the frequency point information corresponding to the cell identification, the mobile terminal determines the cell identification with the best signal in the preconfigured fallback cell information and sends a combined attachment request to a network side, the combined attachment request carries the cell identification with the best signal, so that the network side takes the cell identification with the best signal as the LAI in the combined attachment to finish the combined attachment of the mobile terminal, and then when the mobile terminal has an incoming call, the mobile terminal firstly falls back to the cell with the best signal, and then sends paging response information to the MSC, so that the call is established without position update, and the problem that in the related art, the position update process of the mobile terminal is required to be established after the fallback due to the fact that the cell identification with the fallback cell is inconsistent with the cell identification in the combined attachment, or due to the fact that TAI and LAI are inconsistent is solved.
Example 2:
as shown in fig. 2, this embodiment provides a joint attachment optimization method, which is applied to a network side, and the method includes:
step S202: the MME receives a joint attachment request sent by the mobile terminal, wherein the joint attachment request carries a cell identifier with the best signal;
step S204: the MME sends a location update request message to an MSC/VLR, wherein the location update request message carries the cell identifier with the best signal, the IMSI of the mobile terminal and the IP address of the MME;
step S206: after receiving the location update request message, the MSC/VLR stores the IP address of the MME and creates SGs association with the mobile terminal under the MME;
step S208: the MSC/VLR initiates a location update flow of the HLR according to the IMSI and the cell identifier with the best signal, and returns confirmation information to the MME;
step S210: and after receiving the confirmation information, the MME sends an attachment acceptance message to the mobile terminal to complete the joint attachment of the mobile terminal.
Optionally, before the MME receives the joint attach request sent by the mobile terminal, the method may further include:
the eNB receives a request for acquiring configured fallback cell information sent by the mobile terminal after the mobile terminal is started;
and the eNB sends preconfigured fallback cell information to the mobile terminal.
Example 3:
the present embodiment provides a mobile terminal, including:
a configuration information obtaining module 21, configured to obtain preconfigured fallback cell information after power-on, where the preconfigured fallback cell information includes a cell identifier and frequency point information corresponding to the cell identifier;
a cell identifier determining module 22, connected to the configuration information obtaining module 21, for determining a cell identifier with the best signal in the preconfigured fallback cell information;
the joint attachment sending module 23 is connected to the cell identifier determining module 22, and is configured to send a joint attachment request to the network side, where the joint attachment request carries the cell identifier with the best signal, so that the network side uses the cell identifier with the best signal as the LAI during joint attachment, thereby completing joint attachment of the mobile terminal.
Alternatively, the configuration information acquisition module 21 may include:
a configuration information request unit, configured to send a request for obtaining configured fallback cell information to the eNB after the mobile terminal is started;
and the configuration information receiving unit is used for receiving the preconfigured fallback cell information sent by the eNB.
Optionally, the cell identity determining module 22 is specifically configured to: and measuring according to frequency point information corresponding to each cell identifier in the preconfigured fallback cell information, and determining the cell identifier with the best signal in the preconfigured fallback cell information according to a measurement result.
Example 4:
the embodiment provides a network system, which comprises an MME 31 and an MSC/VLR 32;
the MME 31 is configured to receive a joint attach request sent by a mobile terminal, where the joint attach request carries a cell identifier with a best signal;
the MME 31 is further configured to send a location update request message to the MSC/VLR 32, where the location update request message carries a cell identifier with the best signal, an IMSI of the mobile terminal, and an IP address of the MME 31;
the MSC/VLR 32 is used for storing the IP address of the MME 31 after receiving the location update request message, and creating SGs association with the mobile terminal under the MME 31;
the MSC/VLR 32 is also used for initiating a location update flow of the HLR according to the IMSI and the cell identifier with the best signal, and returning confirmation information to the MME 31;
the MME 31 is further configured to send an attach accept message to the mobile terminal after receiving the acknowledgement message, thereby completing joint attachment of the mobile terminal.
Optionally, an eNB may be included;
the eNB is used for receiving a configured fallback cell information acquisition request sent after the mobile terminal is started, and sending preconfigured fallback cell information to the mobile terminal.
In the combined attachment optimization method, the mobile terminal and the network system provided in embodiments 2 to 4, after the mobile terminal is started, the preconfigured fallback cell information is firstly obtained, the preconfigured fallback cell information includes the cell identifier and the frequency point information corresponding to the cell identifier, the mobile terminal determines the cell identifier with the best signal in the preconfigured fallback cell information, and sends a combined attachment request to the network side, the combined attachment request carries the cell identifier with the best signal, so that the network side uses the cell identifier with the best signal as the LAI when in combined attachment to complete the combined attachment of the mobile terminal, and when the mobile terminal has an incoming call, the mobile terminal firstly falls back to the cell with the best signal, and then sends paging response information to the MSC, so that a call is established without performing location update, and the problem that when the mobile terminal has an incoming call, the call is not consistent with the cell identifier when in combined attachment, or the situation that the mobile terminal has TAI and LAI are not consistent, the call is not completely located, and then the call is required to be established for a longer time is solved.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present invention, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the invention, and are also considered to be within the scope of the invention.
Claims (10)
1. A method for optimizing joint attachment, applied to a mobile terminal, the method comprising:
after starting up, obtaining preconfigured fallback cell information, wherein the preconfigured fallback cell information comprises a cell identifier and frequency point information corresponding to the cell identifier;
determining a cell identifier with the best signal in the preconfigured fallback cell information;
sending a joint attachment request to a network side, wherein the joint attachment request carries the cell identifier with the best signal, so that the network side takes the cell identifier with the best signal as the LAI (access identifier) in joint attachment so as to finish joint attachment of the mobile terminal;
when the mobile terminal has an incoming call, the mobile terminal firstly falls back to the cell with the best signal, and then sends paging response information to the MSC, so that a call is established without position update.
2. The method for optimizing joint attachment according to claim 1, wherein the mobile terminal obtains preconfigured fallback cell information after being started up, and specifically comprises:
after the mobile terminal is started, sending a request for acquiring configured fallback cell information to the eNB;
and receiving the preconfigured fallback cell information sent by the eNB.
3. The method for optimizing joint attachment according to claim 2, wherein the determining the cell identifier with the best signal in the preconfigured fallback cell information specifically includes:
and measuring according to frequency point information corresponding to each cell identifier in the preconfigured fallback cell information, and determining the cell identifier with the best signal in the preconfigured fallback cell information according to a measurement result.
4. A method for optimizing joint attachment, applied to a network side, the method comprising:
the MME receives a joint attachment request sent by the mobile terminal, wherein the joint attachment request carries a cell identifier with the best signal;
the MME sends a location update request message to an MSC/VLR, wherein the location update request message carries the cell identifier with the best signal, the IMSI of the mobile terminal and the IP address of the MME;
after receiving the location update request message, the MSC/VLR stores the IP address of the MME and creates SGs association with the mobile terminal under the MME;
the MSC/VLR initiates a location update flow of the HLR according to the IMSI and the cell identifier with the best signal, and returns confirmation information to the MME;
after receiving the confirmation information, the MME sends an attachment acceptance message to the mobile terminal to complete the joint attachment of the mobile terminal;
the MSC receives paging response information sent by the mobile terminal, and establishes a call, wherein when the mobile terminal has an incoming call, the mobile terminal firstly falls back to a cell with the best signal, and then sends the paging response information to the MSC without position updating.
5. The method for optimizing joint attachment according to claim 4, wherein before the MME receives the joint attachment request sent by the mobile terminal, the method further comprises:
the eNB receives a configured fallback cell information acquisition request sent after the mobile terminal is started;
and the eNB sends preconfigured fallback cell information to the mobile terminal.
6. A mobile terminal, comprising:
the configuration information acquisition module is used for acquiring preconfigured fallback cell information after the power-on, wherein the preconfigured fallback cell information comprises a cell identifier and frequency point information corresponding to the cell identifier;
the cell identification determining module is connected with the configuration information acquisition module and is used for determining a cell identification with the best signal in the preconfigured fallback cell information;
the joint attachment sending module is connected with the cell identification determining module and is used for sending a joint attachment request to a network side, wherein the joint attachment request carries the cell identification with the best signal, so that the network side takes the cell identification with the best signal as the LAI (access identifier) in joint attachment so as to finish joint attachment of the mobile terminal;
when the mobile terminal has an incoming call, the mobile terminal firstly falls back to the cell with the best signal, and then sends paging response information to the MSC, so that a call is established without position update.
7. The mobile terminal of claim 6, wherein the configuration information acquisition module comprises:
a configuration information request unit, configured to send a request for obtaining configured fallback cell information to an eNB after the mobile terminal is started;
and the configuration information receiving unit is used for receiving the preconfigured fallback cell information sent by the eNB.
8. The mobile terminal according to claim 7, wherein the cell identity determination module is specifically configured to: and measuring according to frequency point information corresponding to each cell identifier in the preconfigured fallback cell information, and determining the cell identifier with the best signal in the preconfigured fallback cell information according to a measurement result.
9. A network system comprising an MME and an MSC/VLR;
the MME is used for receiving a joint attachment request sent by the mobile terminal, wherein the joint attachment request carries a cell identifier with the best signal;
the MME is further configured to send a location update request message to an MSC/VLR, where the location update request message carries the cell identifier with the best signal, the IMSI of the mobile terminal, and the IP address of the MME;
the MSC/VLR is used for storing the IP address of the MME after receiving the position update request message and creating SGs association with the mobile terminal under the MME;
the MSC/VLR is also used for initiating a location update flow to the HLR according to the IMSI and the cell identifier with the best signal and returning confirmation information to the MME;
the MME is further configured to send an attach accept message to the mobile terminal after receiving the confirmation message, so as to complete joint attachment of the mobile terminal;
the MSC is also used for receiving paging response information sent by the mobile terminal and establishing a call, wherein when the mobile terminal has an incoming call, the mobile terminal firstly falls back to a cell with the best signal, and then the paging response information is sent to the MSC without position updating.
10. The network system of claim 9, further comprising an eNB;
the eNB is used for receiving a configured fallback cell information acquisition request sent after the mobile terminal is started, and sending preconfigured fallback cell information to the mobile terminal.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016001905A (en) * | 2015-08-06 | 2016-01-07 | ▲ホア▼▲ウェイ▼技術有限公司 | Method and apparatus for receiving or transmitting short message |
| CN110113791A (en) * | 2019-05-09 | 2019-08-09 | 中国联合网络通信集团有限公司 | Mobile terminal and its method for falling cell after rise |
| CN110300437A (en) * | 2019-07-25 | 2019-10-01 | 中国联合网络通信集团有限公司 | Shorten method, terminal and system that CSFB cell falls the time after rise |
| CN111465094A (en) * | 2020-04-10 | 2020-07-28 | 中国联合网络通信集团有限公司 | Position updating method, system and terminal in combined attachment mode |
| CN111787641A (en) * | 2020-06-30 | 2020-10-16 | 中国联合网络通信集团有限公司 | Method, system, computer device and storage medium for CSFB call establishment |
-
2021
- 2021-02-24 CN CN202110208670.2A patent/CN112995975B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016001905A (en) * | 2015-08-06 | 2016-01-07 | ▲ホア▼▲ウェイ▼技術有限公司 | Method and apparatus for receiving or transmitting short message |
| CN110113791A (en) * | 2019-05-09 | 2019-08-09 | 中国联合网络通信集团有限公司 | Mobile terminal and its method for falling cell after rise |
| CN110300437A (en) * | 2019-07-25 | 2019-10-01 | 中国联合网络通信集团有限公司 | Shorten method, terminal and system that CSFB cell falls the time after rise |
| CN111465094A (en) * | 2020-04-10 | 2020-07-28 | 中国联合网络通信集团有限公司 | Position updating method, system and terminal in combined attachment mode |
| CN111787641A (en) * | 2020-06-30 | 2020-10-16 | 中国联合网络通信集团有限公司 | Method, system, computer device and storage medium for CSFB call establishment |
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