CN114401538B - Network switching method, device, electronic equipment and storage medium - Google Patents
Network switching method, device, electronic equipment and storage medium Download PDFInfo
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- CN114401538B CN114401538B CN202210011236.XA CN202210011236A CN114401538B CN 114401538 B CN114401538 B CN 114401538B CN 202210011236 A CN202210011236 A CN 202210011236A CN 114401538 B CN114401538 B CN 114401538B
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Classifications
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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
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/165—Performing reselection for specific purposes for reducing network power consumption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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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
Network switching method, device, electronic equipment and storage medium. The embodiment of the disclosure discloses a network switching method, which is executed by a terminal provided with a double card, and comprises the following steps: responding to the condition that the terminal moves out of a signal coverage area of a first network registered by a first user identification module and the first user identification module triggers full-band cell search aiming at a second network, and determining a target frequency band supported in an area where the terminal is positioned from frequency bands supported by the first user module according to the frequency points registered by the second network; searching a cell of the second network based on the target frequency band to obtain a target cell; and switching the first user identification module to reside in the target cell. Compared with the mode of searching the cells of the second network in the full frequency band, the frequency band to be searched is reduced, so that the time of searching the frequency band can be reduced, the target cell is quickly switched to reside, the reliability of wireless communication is ensured, and good experience is brought to users.
Description
Technical Field
The present disclosure relates to the field of wireless communications, and in particular, but not limited to a method, an apparatus, an electronic device, and a storage medium for network switching.
Background
The terminals provided with different user identification cards are multi-card terminals, for example, dual-card dual-standby terminals. The dual cards of the dual-card dual-standby terminal can be respectively connected with an LTE network and a 5G network. With the development of communication technology, the channel bandwidth is wider and wider, and the spectrum resources supported by the terminal are also more and more. In one scenario, when any card in the dual-card dual-standby terminal drops the network, the network needs to be reselected for connection. At this point, a frequency band search is initiated. The frequency band searching process is to perform power spectrum scanning and energy sequencing on the frequency band supported by the terminal, and develop a cell searching process based on frequency points according to the energy sequencing result.
In the related art, the frequency band searching may take a long time, resulting in long network switching time and poor experience for the user.
Disclosure of Invention
The embodiment of the disclosure discloses a network switching method, a device, electronic equipment and a storage medium.
According to a first aspect of embodiments of the present disclosure, there is provided a method of network handover, the method being performed by a terminal provided with a dual card, the method comprising:
Responding to the condition that the terminal moves out of a signal coverage area of a first network registered by a first user identification module and the first user identification module triggers full-band cell search aiming at a second network, and determining a target frequency band supported in an area where the terminal is positioned from frequency bands supported by the first user module according to the frequency points registered by the second network;
searching a cell of the second network based on the target frequency band to obtain a target cell;
and switching the first user identification module to reside in the target cell.
In one embodiment, the method further comprises:
acquiring the number of frequency bands supported by the first user identification module;
the determining, according to the frequency points registered in the second network, a target frequency band supported in the located area from the frequency bands supported by the first user identification module includes:
and determining a target frequency band supported in the area from the frequency bands supported by the first user identification module according to the frequency points registered in the second network in response to the number of the frequency bands supported by the first user identification module being greater than a number threshold.
In one embodiment, the method further comprises:
Receiving indication information sent by a second network, wherein the indication information indicates frequency point information of the second network which is blindly redirected by a terminal;
searching a cell of the second network on a frequency point indicated by the frequency point information of the second network;
in response to not searching for a cell, the first user identification module triggers a full band cell search operation for the second network.
In one embodiment, the method further comprises:
and determining that the terminal moves out of the first network in response to the acquired signal strength of the first network is not greater than a signal strength threshold.
In one embodiment, the method further comprises:
acquiring a first paging cycle of a second network cell where a second user identification module of the terminal resides;
acquiring a second paging cycle of a neighboring cell of a second network cell where the second subscriber identity module resides;
determining a switching operation for a second network cell where a second subscriber identity module resides according to a comparison result of the first paging cycle and the second paging cycle, wherein the switching operation comprises: switching to a neighboring cell residing in the second network cell or not switching to a neighboring cell residing in the second network cell.
In one embodiment, the determining a handover operation for the second network cell where the second subscriber identity module resides according to the comparison result of the first paging cycle and the second paging cycle includes:
determining to switch a second subscriber identity module to a neighbor cell residing in the second network cell in response to the first paging cycle being less than the second paging cycle;
or,
and in response to the first paging cycle not being less than the second paging cycle, determining not to switch the second subscriber identity module to a neighboring cell residing in the second network cell.
In one embodiment, the determining to switch to a neighbor cell camping on the second network cell in response to the first paging cycle being less than the second paging cycle comprises:
and determining to switch to the neighbor cell residing in the second network cell in response to the first paging cycle being less than the second paging cycle and the signal strength of the neighbor cell residing in the second subscriber identity module being not less than a signal strength threshold.
According to a second aspect of embodiments of the present disclosure, there is provided an apparatus for network handover, the apparatus comprising:
a determining module for: responding to the condition that the terminal moves out of a signal coverage area of a first network registered by a first user identification module and the first user identification module triggers full-band cell search aiming at a second network, and determining a target frequency band supported in an area where the terminal is positioned from frequency bands supported by the first user module according to the frequency points registered by the second network;
An acquisition module for: searching a cell of the second network based on the target frequency band to obtain a target cell;
and the switching module is used for switching the first user identification module to reside in the target cell.
In one embodiment of the present invention, in one embodiment,
the acquisition module is further configured to: acquiring the number of frequency bands supported by the first user identification module;
the determining module is further configured to: and determining a target frequency band supported in the area from the frequency bands supported by the first user identification module according to the frequency points registered in the second network in response to the number of the frequency bands supported by the first user identification module being greater than a number threshold.
In one embodiment, the apparatus further comprises a receiving search module, a search module, and a trigger module, wherein,
the receiving module is used for receiving indication information sent by a second network, wherein the indication information indicates frequency point information of the second network which is subjected to blind redirection by the terminal;
the searching module is used for searching the cell of the second network on the frequency point indicated by the frequency point information of the second network;
the triggering module is used for: in response to not searching for a cell, the first user identification module triggers a full band cell search operation for the second network.
In one embodiment, the determining module is further configured to:
and determining that the terminal moves out of the first network in response to the acquired signal strength of the first network is not greater than a signal strength threshold.
In one embodiment, the acquisition module is further configured to:
acquiring a first paging cycle of a second network cell where a second user identification module of the terminal resides;
acquiring a second paging cycle of a neighboring cell of a second network cell where the second subscriber identity module resides;
the determining module is further configured to: determining a switching operation for a second network cell where a second subscriber identity module resides according to a comparison result of the first paging cycle and the second paging cycle, wherein the switching operation comprises: switching to a neighboring cell residing in the second network cell or not switching to a neighboring cell residing in the second network cell.
In one embodiment, the determining module is further configured to:
determining to switch to a neighbor cell residing in the second network cell in response to the first paging cycle being less than the second paging cycle;
or,
and determining not to switch to a neighboring cell residing in the second network cell in response to the first paging cycle not being less than the second paging cycle.
In one embodiment, the determining module is further configured to:
and determining to switch to the neighbor cell residing in the second network cell in response to the first paging cycle being less than the second paging cycle and the signal strength of the neighbor cell residing in the second subscriber identity module being not less than a signal strength threshold.
According to a third aspect of embodiments of the present disclosure, there is provided an electronic device, including:
a processor;
a memory for storing the processor-executable instructions;
wherein the processor is configured to: for executing the executable instructions, implementing the methods described in any of the embodiments of the present disclosure.
According to a fourth aspect of embodiments of the present disclosure, there is provided a computer storage medium storing a computer executable program which, when executed by a processor, implements the method of any embodiment of the present disclosure.
The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects:
in the embodiment of the disclosure, in response to determining that a terminal moves out of a signal coverage area of a first network registered by a first user identification module and the first user identification module triggers full-band cell search for a second network, determining a target frequency band supported in the area from frequency bands supported by the first card according to a frequency point registered by the second network; searching a cell of the second network based on the target frequency band to obtain a target cell; and switching the first user identification module to reside in the target cell. Here, because the terminal searches the cell of the second network based on the target frequency band, and the target frequency band is a frequency band supported by the area where the terminal is located, which is determined from the frequency bands supported by the first user identification module, compared with the mode of searching the cell of the second network in the full frequency band, the frequency band to be searched is reduced, so that the time of searching the frequency band can be reduced, the terminal can be quickly switched to reside in the target cell, the reliability of wireless communication is ensured, and good experience is brought to the user.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a flow diagram illustrating a method of network handover according to an example embodiment.
Fig. 2 is a flow diagram illustrating a method of network handover according to an example embodiment.
Fig. 3 is a flow diagram illustrating a method of network handover according to an example embodiment.
Fig. 4 is a flow diagram illustrating a method of network handover according to an example embodiment.
Fig. 5 is a flow diagram illustrating a method of network switching according to an example embodiment.
Fig. 6 is a flow diagram illustrating a method of network switching according to an example embodiment.
Fig. 7 is a flow diagram illustrating a method of network switching according to an example embodiment.
Fig. 8 is a flow diagram illustrating a method of network switching according to an example embodiment.
Fig. 9 is a block diagram illustrating an apparatus for network switching according to an exemplary embodiment.
Fig. 10 is a block diagram of an electronic device, according to an example embodiment.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the invention. Rather, they are merely examples of apparatus and methods consistent with aspects of the invention as detailed in the accompanying claims.
For ease of understanding by those skilled in the art, the embodiments of the present disclosure enumerate a plurality of implementations to clearly illustrate the technical solutions of the embodiments of the present disclosure. Of course, those skilled in the art will appreciate that the various embodiments provided in the embodiments of the disclosure may be implemented separately, may be implemented in combination with the methods of other embodiments of the disclosure, and may be implemented separately or in combination with some methods of other related technologies; the embodiments of the present disclosure are not so limited.
For convenience in understanding any embodiment of the present disclosure, first, an application scenario of a frequency band search will be described.
In one embodiment, the terminal is a dual card terminal, including card 1 and card 2, and when the terminal moves to an area without an independent networking network SA, there is a network drop phenomenon in the process of switching to LTE.
In one embodiment, card 1 supports SA and card 2 is registered on LTE. The terminal moves from the area supporting the SA to the area not covered by the SA signal. During the moving process, the network triggers the measurement and control of the LTE.
In one embodiment, before the end of LTE measurement and control of the terminal, the network may send an NR5G RRC OTA Packet-dl_dcch/RRC Release message, where the message may indicate information that the terminal blindly redirects to other SA frequency points.
In one embodiment, if a suitable cell is not found on the SA frequency point, the terminal triggers a full band search of NR. Here, the SA full band search depends on the searched band and the paging cycle of the LTE of card 2;
in one embodiment, when the searched frequency band is unchanged, the paging cycle of LTE of card 2 is dependent, because when the paging occasion of card 2 comes, card 1 will tune away, and the operation of frequency band searching cannot be performed within the tuning away time.
As shown in fig. 1, in this embodiment, there is provided a method for network handover, which is performed by a terminal provided with a dual card, the method including:
step 11, responding to the condition that the terminal moves out of the signal coverage area of a first network registered by a first user identification module and the first user identification module triggers full-band cell search aiming at a second network, and determining a target frequency band supported in the area where the terminal is positioned from frequency bands supported by the first user identification module according to the frequency points registered by the second network;
step 12, searching a cell of the second network based on the target frequency band to obtain a target cell;
and step 13, switching the first user identification module to reside in the target cell.
Here, the terminal may be, but is not limited to, a computer, a mobile phone, a wearable device, a vehicle-mounted terminal, a Road Side Unit (RSU), a smart home terminal, an industrial sensing device, and/or a medical device, etc.
In one embodiment, the terminal is a mobile terminal, which may be a multi-card terminal. The multi-card terminal is a terminal including a multi-user identification module. The multi-card terminal may be: terminals comprising at least two subscriber identity modules, such as a two-card terminal or a three-card terminal. The behavior mode of the multi-user identification module terminal can be double-card double-standby single-pass, double-card double-standby double-pass, three-card three-standby and the like. The subscriber identity module may be a subscriber identity module (SIM, subscriber Identification Module) card in the form of a separate individual or an integrated subscriber identity module (e-SIM, embedded Subscriber Identification Module) in the form of an integrated unit inside the terminal. It should be noted that, the card 1 and the card 2 in the present disclosure may be the subscriber identity module.
In one embodiment, a dual card terminal includes a first subscriber identity module and a second subscriber identity module. It may be that the first subscriber identity module registers with the first network (e.g., SA network) and establishes a network connection with the first network; the second subscriber identity module registers with and establishes a network connection with the second network (e.g., an LTE network). Responding to the condition that the terminal moves out of a signal coverage area of a first network registered by a first user identification module and the first user identification module triggers full-band cell search aiming at a second network, and determining a target frequency band supported in an area where the terminal is positioned from frequency bands supported by the first user module according to the frequency points registered by the second network; searching a cell of the second network based on the target frequency band to obtain a target cell; and switching the first user identification module to reside in the target cell. Here, before the present embodiment is executed, the terminal detects whether the terminal is a multi-card terminal, and only when the terminal is a multi-card terminal, the steps in the present embodiment are executed.
In one embodiment, the terminal determines whether the terminal moves out of the signal coverage area of the first network registered by the first subscriber identity module according to the received signal strength of the first network. Illustratively, responsive to the received signal strength of the first network not being greater than a signal strength threshold, determining that the terminal is outside of a signal coverage area of a first network registered by the first subscriber identity module; or in response to the received signal strength of the first network being less than a signal strength threshold, determining that the terminal has not moved out of the signal coverage area of the first network in which the first subscriber identity module is registered.
In one embodiment, the signal strength threshold may be determined based on a communication quality requirement parameter. Illustratively, in response to the communication quality requirement parameter being greater than a predetermined threshold, determining that the signal strength threshold is greater than a predetermined value; alternatively, the signal strength threshold is determined to be less than a predetermined value in response to the communication quality requirement parameter being less than a predetermined threshold.
In one embodiment, the terminal receives indication information sent by the second network, where the indication information indicates frequency point information of the second network that the terminal blindly redirects. The first user identification module searches a cell of the second network on a frequency point indicated by the frequency point information of the second network. In one embodiment, if a cell is searched, the first subscriber identity module is handed over to reside in the searched cell. If no cell is searched, the first user identification module triggers a full-band cell search operation for the second network, and searches for a suitable cell on the full band.
In one embodiment, the full frequency band may include a plurality of frequency bands, each frequency band may be correspondingly provided with a frequency point, and the searching of the frequency band by the terminal may be performed on the frequency band corresponding to the frequency point. In one embodiment, the terminal detects the number of frequency bands included in the full frequency band, and when the number of frequency bands included in the full frequency band is greater than a number threshold, determines a target frequency band supported in an area where the terminal is located from the full frequency band according to a history registration record of an SA frequency point of the second network registered before, and searches a cell of the second network based on the target frequency band to obtain a target cell; and switching the first user identification module to reside in the target cell. For example, according to the SA history registration record, it may be determined that the frequency bands including N1, N3, N5 and N8 are supported in the area where the terminal is located, and the network side does not support the frequency bands of N3, N5 and N8, then cell search may be performed only on N1, so that the time for searching the cell may be shortened.
In one embodiment, the number threshold may be determined based on a latency requirement parameter of the switching network. Illustratively, in response to the latency requirement parameter of the handover network being greater than a latency threshold, determining that the number threshold is greater than a predetermined value; alternatively, in response to the latency requirement parameter of the switching network being less than the latency threshold, it is determined that the number threshold is less than a predetermined value. In this way, the number threshold may be adapted to the latency requirement parameters of the handover network.
In one embodiment, before searching for a cell of the second network based on the target frequency band, a paging cycle of a neighbor cell of the cell to which the second subscriber identity module is connected is detected. And when the difference value between the paging cycle of the adjacent cell and the paging cycle of the cell connected with the second user identification module is larger than a difference value threshold, the second user identification module can be switched to establish connection with the adjacent cell. Here, the difference threshold may be determined according to a delay requirement parameter of the handover network. Illustratively, in response to the latency requirement parameter of the switching network being less than a parameter threshold, determining that the difference threshold is greater than a predetermined value; or, in response to the delay requirement parameter of the switching network being greater than a parameter threshold, determining that the difference threshold is less than a predetermined value.
In one embodiment, before searching for a cell of the second network based on the target frequency band, a signal strength and a paging cycle of a neighbor cell of the cell to which the second subscriber identity module is connected are detected. When it is determined that the difference between the paging cycle of the neighbor cell and the paging cycle of the cell to which the second subscriber identity module is connected is greater than a difference threshold and the signal strength is greater than a strength threshold, the second subscriber identity module may switch to establish a connection with the neighbor cell. Here, the intensity threshold may be determined according to a communication quality parameter. Illustratively, in response to the communication quality parameter being greater than a parameter threshold, determining that the intensity threshold is greater than a predetermined value; alternatively, in response to the communication quality parameter being less than the parameter threshold, it is determined that the intensity threshold is less than a predetermined value.
In the embodiment of the disclosure, in response to determining that a terminal moves out of a signal coverage area of a first network registered by a first user identification module and the first user identification module triggers full-band cell search for a second network, determining a target frequency band supported in the area from frequency bands supported by the first card according to a frequency point registered by the second network; searching a cell of the second network based on the target frequency band to obtain a target cell; and switching the first user identification module to reside in the target cell. Here, because the terminal searches the cell of the second network based on the target frequency band, and the target frequency band is a frequency band supported by the area where the terminal is located, which is determined from the frequency bands supported by the first user identification module, compared with the mode of searching the cell of the second network in the full frequency band, the frequency band to be searched is reduced, so that the time of searching the frequency band can be reduced, the terminal can be quickly switched to reside in the target cell, the reliability of wireless communication is ensured, and good experience is brought to the user.
It should be noted that, as those skilled in the art may understand, the methods provided in the embodiments of the present disclosure may be performed alone or together with some methods in the embodiments of the present disclosure or some methods in the related art.
As shown in fig. 2, in this embodiment, there is provided a method for network handover, which is performed by a terminal provided with a dual card, the method including:
step 21, obtaining the number of frequency bands supported by the first user identification module;
and step 22, determining a target frequency band supported in the region from the frequency bands supported by the first user identification module according to the frequency points registered in the second network in response to the number of the frequency bands supported by the first user identification module being greater than a number threshold.
In one embodiment, the full frequency band may include a plurality of frequency bands, each frequency band may be correspondingly provided with a frequency point, and the searching of the frequency band by the terminal may be performed on the frequency band corresponding to the frequency point. Here, when the number of frequency bands is greater than a predetermined value, the time of full band cell search may be greater than a time threshold.
In one embodiment, after the full band cell search is triggered, the terminal detects the number of bands included in the full band. When the number of the frequency bands included in the full frequency band is greater than a number threshold, determining a target frequency band supported in an area where the terminal is located from the full frequency band according to a history registration record of the SA frequency point of the second network registered before, and searching a cell of the second network based on the target frequency band to obtain a target cell; and switching the first user identification module to reside in the target cell. When the number of the frequency bands contained in the full frequency band is smaller than a frequency band threshold value, cell search can be performed based on the full frequency band to obtain a target cell; and switching the first user identification module to reside in the target cell.
It should be noted that, the number of the target frequency bands is smaller than the number of the frequency bands included in the full frequency band. In this way, the number of frequency bands to be searched is reduced, and the probability of frequency band searching can be shortened. And the target frequency band is determined according to the historical registration record of the SA frequency point of the second network, so that the probability of successful cell search is increased.
In one embodiment, the number threshold may be determined based on a latency requirement parameter of the switching network. Illustratively, in response to the latency requirement parameter of the handover network being greater than a latency threshold, determining that the number threshold is greater than a predetermined value; alternatively, in response to the latency requirement parameter of the switching network being less than the latency threshold, it is determined that the number threshold is less than a predetermined value. In this way, the number threshold may be adapted to the latency requirement parameters of the handover network.
It should be noted that, as those skilled in the art may understand, the methods provided in the embodiments of the present disclosure may be performed alone or together with some methods in the embodiments of the present disclosure or some methods in the related art.
As shown in fig. 3, in this embodiment, there is provided a method of network switching, which is performed by a terminal provided with a dual card, the method including:
Step 31, receiving indication information sent by a second network, wherein the indication information indicates frequency point information of the second network which is blindly redirected by a terminal;
step 32, searching a cell of the second network on a frequency point indicated by the frequency point information of the second network;
and step 33, the first user identification module triggers full-band cell search operation aiming at the second network in response to the fact that no cell is searched.
In one embodiment, indication information sent by a second network is received. After determining that the terminal moves out of the signal coverage area of the first network registered by the first user identification module and before the first user identification module triggers full-band cell search for the second network, searching a cell of the second network on a frequency point indicated by frequency point information of the second network. And determining whether to trigger full-band cell search operation aiming at the second network according to the search result of searching the cell of the second network on the frequency point indicated by the frequency point information of the second network.
Illustratively, in response to not searching for a cell, the first user identification module triggers a full band cell search operation for the second network; determining a target frequency band supported in an area where the terminal is located from frequency bands supported by the first user module according to the frequency points registered in the second network; searching a cell of the second network based on the target frequency band to obtain a target cell; and switching the first user identification module to reside in the target cell. Or in response to searching the cell, taking the searched cell as a target cell, and switching the first user identification module to reside in the target cell.
It should be noted that, as those skilled in the art may understand, the methods provided in the embodiments of the present disclosure may be performed alone or together with some methods in the embodiments of the present disclosure or some methods in the related art.
As shown in fig. 4, there is provided a method of network switching, which is performed by a terminal provided with a dual card, the method including:
and step 41, determining that the terminal moves out of the first network in response to the acquired signal strength of the first network is not greater than a signal strength threshold.
In one embodiment, the terminal determines whether the terminal moves out of the signal coverage area of the first network registered by the first subscriber identity module according to the received signal strength of the first network. Illustratively, responsive to the received signal strength of the first network not being greater than a signal strength threshold, determining that the terminal is outside of a signal coverage area of a first network registered by the first subscriber identity module; or in response to the received signal strength of the first network being less than a signal strength threshold, determining that the terminal has not moved out of the signal coverage area of the first network in which the first subscriber identity module is registered.
It should be noted that, as those skilled in the art may understand, the methods provided in the embodiments of the present disclosure may be performed alone or together with some methods in the embodiments of the present disclosure or some methods in the related art.
As shown in fig. 5, in this embodiment, there is provided a method of network switching, which is performed by a terminal provided with a dual card, the method including:
step 51, obtaining a first paging cycle of a second network cell where a second subscriber identity module of the terminal resides;
step 52, obtaining a second paging cycle of a neighboring cell of the second network cell where the second subscriber identity module resides;
step 53, determining a handover operation for a second network cell where a second subscriber identity module resides according to a comparison result of the first paging cycle and the second paging cycle, where the handover operation includes: switching to a neighboring cell residing in the second network cell or not switching to a neighboring cell residing in the second network cell.
In one embodiment, the first paging cycle of the second network cell in which the second subscriber identity module of the terminal resides may be periodically acquired. A second paging cycle of a neighbor cell of a second network cell where the second subscriber identity module resides may be periodically acquired.
In one embodiment, in response to the first paging cycle being greater than the second paging cycle, it is determined not to handover to a neighbor cell camping on the second network cell. Or in response to the first paging cycle being less than the second paging cycle, determining to switch to a neighbor cell camping on the second network cell.
In one embodiment, before searching for a cell of the second network based on the target frequency band, a signal strength and a paging cycle of a neighbor cell of the cell to which the second subscriber identity module is connected are detected. When it is determined that the difference between the paging cycle of the neighbor cell and the paging cycle of the cell to which the second subscriber identity module is connected is greater than a difference threshold and the signal strength is greater than a strength threshold, the second subscriber identity module may switch to establish a connection with the neighbor cell. Here, the intensity threshold may be determined according to a communication quality parameter. Illustratively, in response to the communication quality parameter being greater than a parameter threshold, determining that the intensity threshold is greater than a predetermined value; alternatively, in response to the communication quality parameter being less than the parameter threshold, it is determined that the intensity threshold is less than a predetermined value.
It should be noted that, as those skilled in the art may understand, the methods provided in the embodiments of the present disclosure may be performed alone or together with some methods in the embodiments of the present disclosure or some methods in the related art.
As shown in fig. 6, there is provided a method of network switching, which is performed by a terminal provided with a dual card, the method including:
step 61, determining to switch to a neighboring cell residing in the second network cell in response to the first paging cycle being less than the second paging cycle;
or,
and determining not to switch to a neighboring cell residing in the second network cell in response to the first paging cycle not being less than the second paging cycle.
Here, reference may be made specifically to the description of step 51, and details thereof will not be repeated here.
In one embodiment, the neighboring cell of the second network cell where the second subscriber identity module resides is an a cell, the second network cell where the second subscriber identity module resides is a B cell, and if the signal quality of the a cell is slightly worse than that of the B cell, but the paging cycle of the a cell is 1280ms and the paging cycle of the B cell is 320ms, the second subscriber identity module is triggered to reselect from the B cell to the a cell for residence, so that the time for the first subscriber identity module to perform the frequency band search can be shortened
It should be noted that, as those skilled in the art may understand, the methods provided in the embodiments of the present disclosure may be performed alone or together with some methods in the embodiments of the present disclosure or some methods in the related art.
As shown in fig. 7, there is provided a method of network switching, which is performed by a terminal provided with a dual card, the method including:
and step 71, determining to switch to the neighbor cell residing in the second network cell in response to the first paging cycle being less than the second paging cycle and the signal strength of the neighbor cell residing in the second subscriber identity module being not less than a signal strength threshold.
In one embodiment, before searching for a cell of the second network based on the target frequency band, a signal strength and a paging cycle of a neighbor cell of the cell to which the second subscriber identity module is connected are detected. When it is determined that the difference between the paging cycle of the neighbor cell and the paging cycle of the cell to which the second subscriber identity module is connected is greater than a difference threshold and the signal strength is greater than a strength threshold, the second subscriber identity module may switch to establish a connection with the neighbor cell. Here, the intensity threshold may be determined according to a communication quality parameter.
Illustratively, in response to the communication quality parameter being greater than a parameter threshold, determining that the intensity threshold is greater than a predetermined value; alternatively, in response to the communication quality parameter being less than the parameter threshold, it is determined that the intensity threshold is less than a predetermined value.
It should be noted that, as those skilled in the art may understand, the methods provided in the embodiments of the present disclosure may be performed alone or together with some methods in the embodiments of the present disclosure or some methods in the related art.
For a better understanding of the embodiments of the present disclosure, the following further describes the technical solution of the present disclosure by means of an exemplary embodiment:
referring to fig. 8, in this embodiment, a method for network switching is provided, which is performed by a terminal provided with a dual card, and includes:
step 81, in response to determining that the terminal moves out of the signal coverage area of the first network registered by the first subscriber identity module, detecting whether the network indicates a frequency point of blind redirection of the terminal to the SA when the first subscriber identity module performs LTE measurement.
Step 82, in response to the network indicating that the terminal blindly redirects to the frequency point of the SA, and no suitable cell residence is found on the frequency point, step 83 is executed.
Step 83, detecting whether the first subscriber identity module triggers full band cell search.
Step 84, detecting the number of the scanned SA frequency bands in response to triggering the full band cell search.
Step 85, N may be 2 or 3 in response to the number of scanned frequency bands being greater than N.
And 86, determining a target frequency band supported in the area where the terminal is located from the frequency bands supported by the first user module according to the SA frequency point which is indicated by the history record and registered in the second network.
Step 87, before scanning by using the target frequency band, detecting a paging cycle of the LTE network connected to the second subscriber identity module.
Step 88, detecting the signal quality and paging cycle of the neighbor cells that the second subscriber identity module can search.
And 89, reselecting the second user identification module to a cell with the signal quality larger than the quality threshold and the paging cycle larger than the cycle threshold.
Step 90, the first subscriber identity module performs cell search on the target frequency band using the paging gap of the second subscriber identity module.
Step 91, searching a target cell, and executing LTE registration.
It should be noted that, as those skilled in the art may understand, the methods provided in the embodiments of the present disclosure may be performed alone or together with some methods in the embodiments of the present disclosure or some methods in the related art.
As shown in fig. 9, in this embodiment, there is provided a network switching apparatus, which includes:
a determining module 91, configured to: responding to the condition that the terminal moves out of a signal coverage area of a first network registered by a first user identification module and the first user identification module triggers full-band cell search aiming at a second network, and determining a target frequency band supported in an area where the terminal is positioned from frequency bands supported by the first user module according to the frequency points registered by the second network;
An acquisition module 92 for: searching a cell of the second network based on the target frequency band to obtain a target cell;
a switching module 93, configured to switch the first subscriber identity module to reside in the target cell.
In one embodiment of the present invention, in one embodiment,
the acquisition module 92 is further configured to: acquiring the number of frequency bands supported by the first user identification module;
the determining module 91 is further configured to: and determining a target frequency band supported in the area from the frequency bands supported by the first user identification module according to the frequency points registered in the second network in response to the number of the frequency bands supported by the first user identification module being greater than a number threshold.
In one embodiment, the apparatus further comprises a receiving module 104, a searching module 105, and a triggering module 106, wherein,
the receiving module 94 is configured to receive indication information sent by the second network, where the indication information indicates frequency point information of the second network that the terminal blindly redirects;
the searching module 95 is configured to search a cell of the second network on a frequency point indicated by the frequency point information of the second network;
the trigger module 96 is configured to: in response to not searching for a cell, the first user identification module triggers a full band cell search operation for the second network.
In one embodiment, the determining module 91 is further configured to:
and determining that the terminal moves out of the first network in response to the acquired signal strength of the first network is not greater than a signal strength threshold.
In one embodiment, the acquisition module 92 is further configured to:
acquiring a first paging cycle of a second network cell where a second user identification module of the terminal resides;
acquiring a second paging cycle of a neighboring cell of a second network cell where the second subscriber identity module resides;
the determining module 91 is further configured to: determining a switching operation for a second network cell where a second subscriber identity module resides according to a comparison result of the first paging cycle and the second paging cycle, wherein the switching operation comprises: switching to a neighboring cell residing in the second network cell or not switching to a neighboring cell residing in the second network cell.
In one embodiment, the determining module 91 is further configured to:
determining to switch to a neighbor cell residing in the second network cell in response to the first paging cycle being less than the second paging cycle;
or,
and determining not to switch to a neighboring cell residing in the second network cell in response to the first paging cycle not being less than the second paging cycle.
In one embodiment, the determining module 91 is further configured to:
and determining to switch to the neighbor cell residing in the second network cell in response to the first paging cycle being less than the second paging cycle and the signal strength of the neighbor cell residing in the second subscriber identity module being not less than a signal strength threshold.
The specific manner in which the various modules perform the operations in the apparatus of the above embodiments have been described in detail in connection with the embodiments of the method, and will not be described in detail herein.
The embodiment of the disclosure also provides a communication device, including:
an antenna;
a memory;
and the processor is respectively connected with the antenna and the memory, and is used for controlling the antenna to transmit and receive wireless signals by executing executable programs stored in the memory and executing the steps of the wireless network access method provided by any embodiment.
The communication device provided in this embodiment may be the aforementioned terminal or base station. The terminal may be various personal or vehicle-mounted terminals. The base station may be various types of base stations, such as a 4G base station or a 5G base station, etc.
The antenna may be various types of antennas, such as a 3G antenna, a 4G antenna, or a 5G antenna; the antenna may further include: wiFi antennas or wireless charging antennas, etc.
The memory may include various types of storage media, which are non-transitory computer storage media capable of continuing to memorize information stored thereon after a power down of the communication device.
The processor may be coupled to the antenna and the memory via a bus or the like for reading an executable program stored on the memory, for example, at least one of the methods shown in any of the embodiments of the present disclosure.
The embodiments of the present disclosure also provide a non-transitory computer readable storage medium storing an executable program, where the executable program when executed by a processor implements the steps of the wireless network access method provided in any of the foregoing embodiments, for example, at least one of the methods shown in any of the embodiments of the present disclosure.
The specific manner in which the various modules perform the operations in the apparatus of the above embodiments have been described in detail in connection with the embodiments of the method, and will not be described in detail herein.
Fig. 10 is a block diagram illustrating an electronic device 600, according to an example embodiment. For example, the electronic device 600 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, an exercise device, a personal digital assistant, and the like.
Referring to fig. 10, the electronic device 600 may include one or more of the following components: a processing component 602, a memory 604, a power component 606, a multimedia component 608, an audio component 610, an input/output (I/O) interface 612, a sensor component 614, and a communication component 616.
The processing component 602 generally controls overall operation of the electronic device 600, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 602 may include one or more processors 820 to execute instructions to perform all or part of the steps of the methods described above. Further, the processing component 602 can include one or more modules that facilitate interaction between the processing component 602 and other components. For example, the processing component 602 may include a multimedia module to facilitate interaction between the multimedia component 608 and the processing component 602.
The memory 604 is configured to store various types of data to support operations at the device 600. Examples of such data include instructions for any application or method operating on the electronic device 600, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 604 may be implemented by any type or combination of volatile or nonvolatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.
The power supply component 606 provides power to the various components of the electronic device 600. The power supply components 606 can include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the electronic device 600.
The multimedia component 608 includes a screen between the electronic device 600 and the user that provides an output interface. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may sense not only the boundary of a touch or slide action, but also the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 608 includes a front camera and/or a rear camera. The front-facing camera and/or the rear-facing camera may receive external multimedia data when the device 600 is in an operational mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have focal length and optical zoom capabilities.
The audio component 610 is configured to output and/or input audio signals. For example, the audio component 610 includes a Microphone (MIC) configured to receive external audio signals when the electronic device 600 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may be further stored in the memory 604 or transmitted via the communication component 616. In some embodiments, audio component 610 further includes a speaker for outputting audio signals.
The I/O interface 612 provides an interface between the processing component 602 and peripheral interface modules, which may be a keyboard, click wheel, buttons, etc. These buttons may include, but are not limited to: homepage button, volume button, start button, and lock button.
The sensor assembly 614 includes one or more sensors for providing status assessment of various aspects of the electronic device 600. For example, the sensor assembly 614 may detect an on/off state of the device 600, a relative positioning of the components, such as a display and keypad of the electronic device 600, the sensor assembly 614 may also detect a change in position of the electronic device 600 or a component of the electronic device 600, the presence or absence of a user's contact with the electronic device 600, an orientation or acceleration/deceleration of the electronic device 600, and a change in temperature of the electronic device 600. The sensor assembly 614 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact. The sensor assembly 614 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 614 may also include an acceleration sensor, a gyroscopic sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 616 is configured to facilitate communication between the electronic device 600 and other devices, either wired or wireless. The electronic device 600 may access a wireless network based on a communication standard, such as WiFi,2G, or 3G, or a combination thereof. In one exemplary embodiment, the communication component 616 receives broadcast signals or broadcast-related information from an external broadcast management system via a broadcast channel. In one exemplary embodiment, the communication component 616 further includes a Near Field Communication (NFC) module to facilitate short range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, ultra Wideband (UWB) technology, bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the electronic device 600 may be implemented by one or more Application Specific Integrated Circuits (ASICs), digital Signal Processors (DSPs), digital Signal Processing Devices (DSPDs), programmable Logic Devices (PLDs), field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic elements for executing the methods described above.
In an exemplary embodiment, a non-transitory computer-readable storage medium is also provided, such as memory 604, including instructions executable by processor 820 of electronic device 600 to perform the above-described method. For example, the non-transitory computer readable storage medium may be ROM, random Access Memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It is to be understood that the invention is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (12)
1. A method of network switching, the method being performed by a terminal provided with a dual card, the method comprising:
responding to the condition that a terminal moves out of a signal coverage area of a first network registered by a first user identification module and the first user identification module triggers full-band cell search aiming at a second network, and determining a target frequency band supported in an area where the terminal is positioned from frequency bands supported by the first user identification module according to the frequency points registered by the second network;
Searching a cell of the second network based on the target frequency band to obtain a target cell;
switching the first subscriber identity module to reside in the target cell;
acquiring a first paging cycle of a second network cell where a second user identification module of the terminal resides;
acquiring a second paging cycle of a neighboring cell of a second network cell where the second subscriber identity module resides;
determining a switching operation for a second network cell where a second subscriber identity module resides according to a comparison result of the first paging cycle and the second paging cycle, wherein the switching operation comprises: switching to a neighboring cell residing in the second network cell or not switching to a neighboring cell residing in the second network cell;
the determining, according to the comparison result of the first paging cycle and the second paging cycle, a handover operation for a second network cell where a second subscriber identity module resides, including:
determining to switch a second subscriber identity module to a neighbor cell residing in the second network cell in response to the first paging cycle being less than the second paging cycle;
or,
and in response to the first paging cycle not being less than the second paging cycle, determining not to switch the second subscriber identity module to a neighboring cell residing in the second network cell.
2. The method according to claim 1, wherein the method further comprises:
acquiring the number of frequency bands supported by the first user identification module;
the determining, according to the frequency points registered in the second network, a target frequency band supported in the located area from the frequency bands supported by the first user identification module includes:
and determining a target frequency band supported in the area from the frequency bands supported by the first user identification module according to the frequency points registered in the second network in response to the number of the frequency bands supported by the first user identification module being greater than a number threshold.
3. The method according to claim 1, wherein the method further comprises:
receiving indication information sent by a second network, wherein the indication information indicates frequency point information of the second network which is blindly redirected by a terminal;
searching a cell of the second network on a frequency point indicated by the frequency point information of the second network;
in response to not searching for a cell, the first user identification module triggers a full band cell search operation for the second network.
4. The method according to claim 1, wherein the method further comprises:
And determining that the terminal moves out of the first network in response to the acquired signal strength of the first network is not greater than a signal strength threshold.
5. The method of claim 1, wherein the determining to switch to a neighbor cell camping on the second network cell in response to the first paging cycle being less than the second paging cycle comprises:
and determining to switch to the neighbor cell residing in the second network cell in response to the first paging cycle being less than the second paging cycle and the signal strength of the neighbor cell residing in the second subscriber identity module being not less than a signal strength threshold.
6. An apparatus for network switching, the apparatus comprising:
a determining module for: responding to the condition that a terminal moves out of a signal coverage area of a first network registered by a first user identification module and the first user identification module triggers full-band cell search aiming at a second network, and determining a target frequency band supported in an area where the terminal is positioned from frequency bands supported by the first user identification module according to the frequency points registered by the second network;
an acquisition module for: searching a cell of the second network based on the target frequency band to obtain a target cell;
The switching module is used for switching the first user identification module to reside in the target cell;
the acquisition module is further configured to:
acquiring a first paging cycle of a second network cell where a second user identification module of the terminal resides;
acquiring a second paging cycle of a neighboring cell of a second network cell where the second subscriber identity module resides;
the determining module is further configured to: determining a switching operation for a second network cell where a second subscriber identity module resides according to a comparison result of the first paging cycle and the second paging cycle, wherein the switching operation comprises: switching to a neighboring cell residing in the second network cell or not switching to a neighboring cell residing in the second network cell;
the determining module is further configured to:
determining to switch to a neighbor cell residing in the second network cell in response to the first paging cycle being less than the second paging cycle;
or,
and determining not to switch to a neighboring cell residing in the second network cell in response to the first paging cycle not being less than the second paging cycle.
7. The apparatus of claim 6, wherein the device comprises a plurality of sensors,
The acquisition module is further configured to: acquiring the number of frequency bands supported by the first user identification module;
the determining module is further configured to: and determining a target frequency band supported in the area from the frequency bands supported by the first user identification module according to the frequency points registered in the second network in response to the number of the frequency bands supported by the first user identification module being greater than a number threshold.
8. The apparatus of claim 6, further comprising a receiving module, a searching module, and a triggering module, wherein,
the receiving module is used for receiving indication information sent by a second network, wherein the indication information indicates frequency point information of the second network which is subjected to blind redirection by the terminal;
the searching module is used for searching the cell of the second network on the frequency point indicated by the frequency point information of the second network;
the triggering module is used for: in response to not searching for a cell, the first user identification module triggers a full band cell search operation for the second network.
9. The apparatus of claim 6, wherein the means for determining is further for:
and determining that the terminal moves out of the first network in response to the acquired signal strength of the first network is not greater than a signal strength threshold.
10. The apparatus of claim 6, wherein the means for determining is further for:
and determining to switch to the neighbor cell residing in the second network cell in response to the first paging cycle being less than the second paging cycle and the signal strength of the neighbor cell residing in the second subscriber identity module being not less than a signal strength threshold.
11. An electronic device, the electronic device comprising: a processor and a memory for storing a computer service capable of running on the processor, wherein the processor is configured to implement the method of any one of claims 1 to 5 when the computer service is run.
12. A storage medium having computer-executable instructions embodied therein, the computer-executable instructions being executable by a processor to implement the method of any one of claims 1 to 5.
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