CN113891333B

CN113891333B - Network selection method, network selection device, electronic equipment and storage medium

Info

Publication number: CN113891333B
Application number: CN202111062842.6A
Authority: CN
Inventors: 徐笑扬
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2023-02-21
Anticipated expiration: 2041-09-10
Also published as: CN113891333A

Abstract

The disclosure relates to a network selection method, which is applied to a terminal device and comprises the following steps: determining a first PLMN currently connected with the terminal equipment and at least one second PLMN equivalent to the first PLMN; determining whether the first PLMN supports dynamic spectrum sharing; determining whether the second PLMN supports dynamic spectrum sharing; and when determining that the first PLMN does not support the dynamic spectrum sharing and the second PLMN supports the dynamic spectrum sharing, switching the network to which the terminal equipment is currently connected from the first PLMN to the second PLMN. The problem that the terminal equipment cannot rapidly transmit a large amount of data due to the fact that the first PLMN which is connected with the terminal equipment at present does not support dynamic spectrum sharing and is affected by the first PLMN when the terminal equipment needs to transmit a large amount of data is solved, and the data transmission rate is improved.

Description

Network selection method, network selection device, electronic equipment and storage medium

Technical Field

The present disclosure relates to the field of mobile communications, and in particular, to a network selection method, a network selection apparatus, an electronic device, and a storage medium.

Background

In the field of mobile communication, spectrum resources are limited, a 5G network performs merging, splitting, adding and the like on certain frequency bands in a 4G network, and most frequency bands of the 5G network and most frequency bands of the 4G network are still the same. Through the multiplexing of the frequency band, the 5G network and the 4G network are limited by different degrees in the allocation of the frequency band resources, thereby influencing the use experience of the networks.

When a 5G network or a 4G network needs a large amount of frequency band resources for data transmission, the network can dynamically allocate the frequency band resources, so that the allocation and utilization of the frequency band resources are more reasonable. In both the 5G network and the 4G network, there are a plurality of networks of different operators that can be selected, different networks provided by different operators have different frequency band resources, and when data transmission is performed through a fixed frequency band resource owned by a certain network, the frequency band resource is limited, so that data transmission may be affected.

Disclosure of Invention

The disclosure provides a network selection method, a network selection device, an electronic device and a storage medium.

In a first aspect of the embodiments of the present disclosure, a method for selecting a network is provided, which is applied to a terminal device, and includes: determining a first PLMN currently connected with the terminal equipment and at least one second PLMN equivalent to the first PLMN; determining whether the first PLMN supports dynamic spectrum sharing; determining whether the second PLMN supports dynamic spectrum sharing; and when determining that the first PLMN does not support the dynamic spectrum sharing and the second PLMN supports the dynamic spectrum sharing, switching the network to which the terminal equipment is currently connected from the first PLMN to the second PLMN.

In one embodiment, the switching the network to which the terminal device is currently connected from the first PLMN to the second PLMN when it is determined that the first PLMN does not support the dynamic spectrum sharing and the second PLMN supports the dynamic spectrum sharing includes: upon determining that the first PLMN does not support the dynamic spectrum sharing and the second PLMN supports the dynamic spectrum sharing, updating a priority of the second PLMN to be higher than a priority of the first PLMN; and determining the currently connected network of the terminal equipment according to the priority.

In one embodiment, the determining whether the second PLMN supports dynamic spectrum sharing includes: sending a camp-on request to the second PLMN; receiving a residing response returned by the second PLMN according to the residing request, wherein the residing response comprises information indicating whether the second PLMN supports the dynamic spectrum sharing; determining whether the second PLMN supports the dynamic spectrum sharing according to the camping response.

In one embodiment, the determining whether the second PLMN supports dynamic spectrum sharing further comprises: sending an inquiry request to the second PLMN, wherein the inquiry request is used for acquiring whether the second PLMN supports the dynamic spectrum sharing; receiving feedback information issued by the second PLMN according to the query request, wherein the feedback information comprises: an identifier indicating whether the second PLMN supports the dynamic spectrum sharing; and determining whether the second PLMN supports the dynamic spectrum sharing according to the feedback information.

In one embodiment, the determining whether the first PLMN supports dynamic spectrum sharing further comprises: acquiring configuration parameters of an operator of the first PLMN to the first PLMN; determining whether the first PLMN supports the dynamic spectrum sharing according to the configuration parameters.

In one embodiment, the method further comprises: and residing the network to the first PLMN and connecting to the first PLMN.

In one embodiment, the method further comprises: and when the first PLMN is determined to support the dynamic spectrum sharing, maintaining the network to which the terminal equipment is currently connected as the first PLMN.

In one embodiment, the method further comprises: and when determining that neither the first PLMN nor the second PLMN supports the dynamic spectrum sharing, maintaining the network to which the terminal device is currently connected as the first PLMN.

In one embodiment, the terminal device stores a first frequency point value and a second frequency point value; the determining a first PLMN currently connected to the terminal device and at least one second PLMN equivalent to the first PLMN includes: searching a plurality of PLMNs covered in a current area, wherein each PLMN has a frequency point value; determining a PLMN having a frequency point value equal to the first frequency point value as a first PLMN; determining a PLMN having a frequency point value equal to the second frequency point value as a second PLMN.

In one embodiment, the first PLMN includes: and the home public land mobile network HPLMN of the terminal equipment.

In one embodiment, the method further comprises: and storing the result of whether the first PLMN and the second PLMN support the dynamic spectrum sharing.

In a second aspect of the embodiments of the present disclosure, a network selection apparatus is provided, which is applied to a terminal device, and includes: a network determining module, configured to determine a first PLMN currently connected to the terminal device and at least one second PLMN equivalent to the first PLMN; a first dynamic spectrum sharing determination module, configured to determine whether the first PLMN supports dynamic spectrum sharing; a second dynamic spectrum sharing determination module, configured to determine whether the second PLMN supports dynamic spectrum sharing; a network selection module, configured to switch a network to which the terminal device is currently connected from a first PLMN to a second PLMN when it is determined that the first PLMN does not support the dynamic spectrum sharing and the second PLMN supports the dynamic spectrum sharing.

In a third aspect of the disclosed embodiments, there is provided an electronic device, including:

a processor and a memory for storing executable instructions operable on the processor, wherein: when the processor is used for executing the executable instructions, the executable instructions execute the method of any one of the above embodiments.

In a fourth aspect of the embodiments of the present disclosure, a non-transitory computer-readable storage medium is provided, in which computer-executable instructions are stored, and when executed by a processor, the computer-executable instructions implement the method according to any of the embodiments described above.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

the method for selecting the network in the embodiment of the disclosure is applied to a terminal device, and comprises the steps of determining a first PLMN currently connected with the terminal device and at least one second PLMN equivalent to the first PLMN, then determining whether the first PLMN and the second PLMN respectively support dynamic spectrum sharing, and switching the network currently connected with the terminal device from the first PLMN to the second PLMN when determining that the first PLMN does not support dynamic spectrum sharing and the second PLMN supports dynamic spectrum sharing.

Therefore, when the terminal device needs to transmit a large amount of data, the function of supporting the dynamic spectrum sharing by the second PLMN can be utilized to obtain a larger transmission bandwidth, so as to perform faster data transmission. Therefore, the problem that the terminal equipment is influenced by the first PLMN when needing to transmit a large amount of data due to the fact that the first PLMN to which the terminal equipment is currently connected does not support dynamic spectrum sharing and cannot transmit the data quickly in a large amount is solved, and the data transmission rate is improved.

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 present disclosure and, together with the description, serve to explain the principles of the disclosure.

FIG. 1 is a timing diagram illustrating a method of selection of a network in accordance with an exemplary embodiment;

fig. 2 is a timing diagram illustrating a determination of whether a second PLMN supports dynamic spectrum sharing in accordance with an example embodiment;

fig. 3 is a timing diagram illustrating another method of determining whether a second PLMN supports dynamic spectrum sharing in accordance with an example embodiment;

fig. 4 is a timing diagram illustrating a method of determining whether a first PLMN supports dynamic spectrum sharing in accordance with an example embodiment;

fig. 5 is a timing diagram illustrating a determination of a first PLMN and a second PLMN in accordance with an exemplary embodiment;

FIG. 6 is a schematic diagram illustrating a configuration of a selection device of a network, according to an exemplary embodiment;

FIG. 7 is a timing diagram illustrating another method of network selection in accordance with an exemplary embodiment;

fig. 8 is a block diagram illustrating a terminal device according to an example embodiment.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of devices consistent with certain aspects of the present disclosure, as detailed in the appended claims.

Referring to fig. 1, a schematic flow chart of a network selection method provided in the present technical solution is shown, where the data processing method is at least applicable to a terminal device, and includes the following steps:

step S100, a first PLMN currently connected to the terminal device and at least one second PLMN equivalent to the first PLMN are determined.

Step S200, determining whether the first PLMN supports dynamic spectrum sharing.

Step S300, determining whether the second PLMN supports dynamic spectrum sharing.

Step S400, when it is determined that the first PLMN does not support the dynamic spectrum sharing and the second PLMN supports the dynamic spectrum sharing, switching the network to which the terminal device is currently connected from the first PLMN to the second PLMN.

At least the method can be executed in the mobile terminal device, namely, the execution body of the method at least comprises the mobile terminal device. The mobile terminal equipment can comprise a mobile phone, a tablet personal computer, vehicle-mounted central control equipment, wearable equipment, intelligent equipment and the like, and the intelligent equipment can comprise intelligent office equipment, intelligent household equipment and the like.

For step S100, the terminal device is connected to at least one mobile network during normal use, and in this embodiment, the mobile network to which the terminal device is currently connected is taken as a first public land mobile network (first PLMN), where the first PLMN includes: the Home Public Land Mobile Network (HPLMN) of the terminal device may also include other PLMNs. In this embodiment, the first PLMN may be used as the connection network to which the terminal device is currently connected.

The specific process of determining the first PLMN is not specifically limited herein, and the manner of determining the first PLMN is within the scope of the embodiment. For example, the terminal device has a function of searching and connecting to the first PLMN, and after the terminal device searches for the first PLMN, the terminal device may camp on the first PLMN and connect to the first PLMN. The first PLMN can be determined after the terminal device searches the first PLMN.

After the first PLMN is determined, a second PLMN is determined according to the first PLMN, the second PLMN is a PLMN equivalent to the first PLMN, that is, a PLMN which is in the same position as a PLMN currently connected to the terminal device, and the terminal device can switch between the first PLMN and the second PLMN. The second PLMN may be denoted EPLMN.

The specific process of determining the second PLMN by the terminal device is not limited here, and the terminal device also has the function of determining the second PLMN. For example, the terminal device may search for a PLMN, and then may further determine whether the searched PLMN is a second PLMN, specifically, match the searched PLMN with a PLMN stored in the terminal device, and if the two are matched, take the searched PLMN as the second PLMN.

For steps S200 and S300, after determining the first PLMN and the second PLMN, the terminal device may determine whether the first PLMN and the second PLMN support dynamic spectrum sharing, respectively. The terminal device has a function of determining whether the first PLMN and the second PLMN support dynamic spectrum sharing, and a specific determination process is not limited in this embodiment as long as it can determine whether the first PLMN and the second PLMN support dynamic spectrum sharing, respectively.

The details of dynamic spectrum sharing are not described herein.

In step S400, when it is determined that the first PLMN does not support dynamic spectrum sharing and the second PLMN supports dynamic spectrum sharing, the terminal device may switch the network to which the terminal device is currently connected from the first PLMN to the second PLMN because the terminal device is currently connected to the first PLMN. The specific switching method is not limited here, and may be any method as long as the switching is possible.

Due to the fact that the dynamic spectrum sharing can dynamically allocate spectrum resources, when the first PLMN does not support the dynamic spectrum sharing and the second PLMN supports the dynamic spectrum sharing, the network to which the terminal device is currently connected is switched from the first PLMN to the second PLMN, for example, when the terminal device needs to perform a large amount of data transmission, the function that the second PLMN supports the dynamic spectrum sharing can be used for performing faster data transmission. Therefore, the problems that the first PLMN which is currently connected with the terminal equipment does not support dynamic spectrum sharing and the frequency band resource of the first PLMN is limited, the terminal equipment is affected by the first PLMN when needing to transmit a large amount of data, and the data can not be transmitted rapidly in a large amount are solved, and the data transmission rate is improved.

In an embodiment, there may be a plurality of second PLMNs, and when there are a plurality of second PLMNs and the plurality of second PLMNs support dynamic spectrum sharing, the second PLMN may be randomly handed over to one of the second PLMNs supporting dynamic spectrum sharing, and connection priorities of the plurality of second PLMNs supporting dynamic spectrum sharing may be determined, and the second PLMN to which the second PLMN is preferentially handed over is determined according to the connection priorities supporting dynamic spectrum sharing.

In another embodiment, referring to fig. 2, a flowchart of determining whether the second PLMN supports dynamic spectrum sharing is illustrated. Step S200, determining whether the first PLMN and the second PLMN both support dynamic spectrum sharing, includes:

step S201, a residing request is sent to a second PLMN;

step S202, receiving a residing response returned by the second PLMN according to the residing request, wherein the residing response comprises information indicating whether the second PLMN supports dynamic spectrum sharing;

step S203, determining whether the second PLMN supports dynamic spectrum sharing according to the camping response.

The embodiment may determine whether the second PLMN supports dynamic spectrum sharing, after determining the second PLMN, the terminal device may send a camping request to the second PLMN, and after receiving the camping request, the second PLMN returns a camping response corresponding to the camping request to the terminal device according to the camping request. The format and the like of the resident response are not limited.

The terminal device then receives the camping response, where the camping response includes information indicating whether the second PLMN supports dynamic spectrum sharing. The information indicating whether the second PLMN supports dynamic spectrum sharing may be an event or an identifier, etc., and is not limited herein.

Since the camping response includes the information indicating whether the second PLMN supports dynamic spectrum sharing, after receiving the camping response, the terminal device may determine whether the second PLMN supports dynamic spectrum sharing according to the camping response.

In an embodiment, in step S202, receiving a camping response returned by the second PLMN according to the camping request, where the camping response includes information indicating whether the second PLMN supports dynamic spectrum sharing, and the information may include:

the second PLMN returns, to the terminal device, query information at least used for querying whether the terminal device supports and starts dynamic spectrum sharing, and the query information may also include other functions used for querying the terminal device. The terminal device receives the feedback information and reports reporting information that the terminal device supports and starts dynamic spectrum sharing to at least a second PLMN according to the query information, and the reporting information can also comprise information of other functions of the terminal device queried by the PLMN.

For example, the query information may be carried in the camp-on request, or may be sent in any message during the registration process of the terminal camping on the network.

The reporting information may include a parameter for indicating that the terminal device supports and starts dynamic spectrum sharing, and after receiving the reporting information, the second PLMN may determine whether the terminal device supports and starts dynamic spectrum sharing according to the parameter. When the second PLMN determines that the terminal device supports and starts the dynamic spectrum sharing, and the second PLMN also supports the dynamic spectrum sharing, the second PLMN issues a piece of information with a fixed format to the terminal device, where the information with the fixed format may be information specified in a 3GPP protocol, such as a B1 event. In this case, the resident response includes the fixed format information, i.e., the B1 event.

The second PLMN may determine whether the second PLMN itself supports the dynamic spectrum sharing, and after the second PLMN determines that the second PLMN itself supports the dynamic spectrum sharing and the terminal device also supports and starts the dynamic spectrum sharing, the second PLMN issues the information in the fixed format to the terminal device. When the second PLMN determines that the second PLMN does not support the dynamic spectrum sharing itself or the terminal device does not support or does not start the dynamic spectrum sharing, the second PLMN does not issue the information in the fixed format to the terminal device, and in this case, the camping response does not include the information in the fixed format, i.e., does not include the B1 event. And the second PLMN issues information with a fixed format, namely, the second PLMN supports dynamic spectrum sharing.

After the information in the fixed format issued by the second PLMN is received, the terminal device may receive the information in the fixed format issued by the second PLMN, and after the terminal device receives the information in the fixed format, it may indicate that the second PLMN supports dynamic spectrum sharing. If the terminal device receives the information in the fixed format, it can indicate that the second PLMN does not support dynamic spectrum sharing. In this way, the terminal device may determine whether the second PLMN supports dynamic spectrum sharing.

In one embodiment, the terminal device supports and turns on dynamic spectrum sharing by default.

In another embodiment, referring to fig. 3, a flowchart of another method for determining whether the second PLMN supports dynamic spectrum sharing is shown. Step S200, determining whether the first PLMN and the second PLMN both support dynamic spectrum sharing, further comprising:

step S204, sending a query request to the second PLMN, wherein the query request is used for acquiring whether the second PLMN supports dynamic spectrum sharing or not;

step S205, receiving feedback information issued by the second PLMN according to the query request, where the feedback information includes: an identifier indicating whether the second PLMN supports dynamic spectrum sharing;

step S206, determining whether the second PLMN supports dynamic spectrum sharing according to the feedback information. Steps S204 to S206 and steps S201 to S203 may be two parallel methods for determining whether the second PLMN supports dynamic spectrum sharing, and there is no fixed precedence relationship.

In another method for determining whether the second PLMN supports dynamic spectrum sharing, after the terminal device determines the second PLMN, the terminal device sends an inquiry request to the second PLMN, where the inquiry request is used to inquire whether the second PLMN supports dynamic spectrum sharing. After receiving the query request, the second PLMN issues feedback information to the terminal device according to the query request, where the feedback information includes information indicating whether the second PLMN supports dynamic spectrum sharing, for example, an identifier identifying whether the second PLMN supports dynamic spectrum sharing, and the like, where for example, an identifier of 1 indicates that the second PLMN supports dynamic spectrum sharing, and an identifier of 0 indicates that the second PLMN does not support dynamic spectrum sharing.

After receiving the feedback information, the terminal device may determine whether the second PLMN supports dynamic spectrum sharing according to information such as an identifier included in the feedback information.

In another embodiment, it may also be determined whether the second PLMN supports dynamic spectrum sharing by acquiring configuration parameters of an operator of the second PLMN for the second PLMN. After determining the second PLMN, the terminal device may obtain configuration parameters of the second PLMN, where the configuration parameters are parameters pre-configured by an operator of the second PLMN, and the configuration parameters may include parameters indicating whether the second PLMN supports dynamic spectrum sharing, and the terminal device may obtain the configuration parameters of the second PLMN, and then may determine whether the second PLMN supports dynamic spectrum sharing according to the configuration parameters.

The specific form, the specific parameter value, and the like of the configuration parameter are not limited herein, and may be configured according to the configuration mode of each operator, different operators may have different configuration modes for the configuration parameters of different second PLMNs, and the specific configuration process may refer to the existing configuration mode, which is also not limited herein.

In another embodiment, referring to fig. 4, a flowchart of a method for determining whether the first PLMN supports dynamic spectrum sharing is shown. Step S200, determining whether the first PLMN and the second PLMN both support dynamic spectrum sharing, further comprising:

step S207, obtain the configuration parameters of the first PLMN from the operator of the first PLMN.

Step S208, determining whether the first PLMN supports dynamic spectrum sharing according to the configuration parameters. Step S207 to step S208 and step S201 to step S206 also have no fixed precedence relationship.

The method in this embodiment is a method for determining whether a first PLMN supports dynamic spectrum sharing, and after determining the first PLMN, the terminal device may acquire configuration parameters of the first PLMN, where the configuration parameters are parameters pre-configured by an operator of the first PLMN, and the configuration parameters may include parameters indicating whether the first PLMN supports dynamic spectrum sharing, and the terminal device may acquire the configuration parameters of the first PLMN, and then may determine whether the first PLMN supports dynamic spectrum sharing according to the configuration parameters.

The specific form, the specific parameter value, and the like of the configuration parameter are not limited herein, and may be configured according to the configuration mode of each operator, different operators may have different configuration modes for the configuration parameters of different first PLMNs, and the specific configuration process may refer to the existing configuration mode, which is also not limited herein.

In another embodiment, the method for determining whether the first PLMN supports dynamic spectrum sharing may further refer to the method for determining whether the second PLMN supports dynamic spectrum sharing in steps S201 to S203 or steps S204 to S206.

In another embodiment, step S300, when it is determined that the first PLMN does not support the dynamic spectrum sharing and the second PLMN supports the dynamic spectrum sharing, switching a network to which the terminal device is currently connected from the first PLMN to the second PLMN, includes:

updating the priority of the second PLMN to be higher than the priority of the first PLMN upon determining that the first PLMN does not support dynamic spectrum sharing and that the second PLMN supports dynamic spectrum sharing. And then determining the currently connected network of the terminal equipment according to the priority.

In this embodiment, the priority of the second PLMN which supports dynamic spectrum sharing is updated to be higher than the priority of the first PLMN which does not support dynamic spectrum sharing, where the priority is the priority for terminal device connection, and the higher the priority is, the more preferentially the terminal device connects to the PLMN. Because the second PLMN supports dynamic spectrum sharing, after the terminal device is switched from the currently connected first PLMN to the second PLMN, more spectrum resources can be dynamically allocated to the second PLMN through dynamic spectrum sharing, and therefore, when the terminal device needs to perform a large amount of transmission, faster data transmission and the like can be performed on the second PLMN, thereby improving the efficiency of data transmission.

In another embodiment, the method further comprises: and residing the network to the first PLMN and connecting to the first PLMN.

The currently connected network of the terminal equipment is the first PLMN, the currently connected network can comprise the HPLMN, the network camping to the first PMN is needed before the successful connection to the first PLMN, and the successful connection to the first PLMN is carried out after the successful network camping. The process of camping on the first PLMN is not described in detail herein, and the existing network camping process may be referred to.

After the first PLMN is successfully connected and the second PLMN supports the dynamic spectrum sharing after the first PLMN is determined not to support the dynamic spectrum sharing, the second PLMN is switched from the first PLMN which is currently connected to the second PLMN, the switching of the network is realized, the data transmission is conveniently carried out through the second PLMN which supports the dynamic spectrum sharing, and therefore the transmission efficiency is improved.

In one embodiment, the network camping on the first PLMN may be performed before the network to which the terminal device is currently connected is switched from the first PLMN to the second PLMN.

In another embodiment, the method further comprises:

and when the first PLMN is determined to support the spectrum sharing, maintaining the network to which the terminal equipment is currently connected as the first PLMN.

If it is determined that the first PLMN supports dynamic spectrum sharing, it may not be necessary to switch from the first PLMN to the second PLMN again, because the first PLMN supports dynamic spectrum sharing, spectrum resources may be dynamically allocated to the first PLMN through the dynamic spectrum sharing, and when the terminal device performs data transmission through the first PLMN, the spectrum resources dynamically allocated to the first PLMN through the dynamic spectrum sharing may be used for faster data transmission. Therefore, the second PLMN supports dynamic spectrum sharing in time, and the second PLMN does not need to be switched to the second PLMN again, so that the steps of network switching of the terminal equipment are saved, and resources can be reserved for other equipment.

In another embodiment, when it is determined that neither the first PLMN nor the second PLMN supports the dynamic spectrum sharing, the network to which the terminal device is currently connected is maintained as the first PLMN.

If it is determined that neither the first PLMN nor the second PLMN supports dynamic spectrum sharing and the terminal device is currently connected to the first PLMN, after the terminal device is switched from the first PLMN to the second PLMN, the second PLMN does not support dynamic spectrum sharing and cannot acquire more spectrum resources, so that the terminal device does not need to be switched to the second PLMN again.

In another embodiment, the terminal device stores therein a first frequency point value and a second frequency point value.

The first frequency bin value may be a frequency bin value of a first PLMN and the second frequency bin value may be a frequency bin value of a second PLMN. The terminal device stores therein relevant information of the first PLMN and the second PLMN to which the terminal device can be connected, such as frequency bands and frequency point values of the first PLMN and the second PLMN, and the like. For example, the storage may be performed according to information of a USIM card of the terminal device, the terminal device reads the information of the USIM card, the frequency bands and frequency point values of the first PLMN and the second PLMN are stored in the USIM card, and then the USIM card is stored in the memory of the terminal device.

And taking the frequency point value of the first PLMN as a first frequency point value, and taking the frequency point value of the second PLMN as a second frequency point value. When there are a plurality of second PLMNs, there are a plurality of different second frequency point values, the frequency point values of the different second PLMNs may be different, and each second PLMN has its own frequency point value.

Referring to fig. 5, a flowchart for determining a first PLMN and a second PLMN is shown. Step S100, determining a first PLMN currently connected to the terminal device and at least one second PLMN equivalent to the first PLMN, includes:

step S101, searching a plurality of PLMNs covered in a current area, wherein each PLMN in the PLMNs has a frequency point value. Or searching for at least one PLMN covered within the current area.

Step S102, determining the PLMN whose frequency point value is equal to the first frequency point value as a first PLMN, and determining the PLMN whose frequency point value is equal to the second frequency point value as a second PLMN.

The terminal equipment searches a plurality of mobile networks (PLMNs) covered in an area where the terminal equipment is located, each PLMN in the searched PLMNs has a corresponding frequency point value, and the terminal equipment can acquire that each PLMN which is searched has a respective frequency point value. And then matching the searched frequency point value of the PLMN with the first frequency point value and at least one second frequency point value respectively. And when the searched PLMN has the frequency point value which is the same as the first frequency point value, determining the PLMN corresponding to the frequency point which is the same as the first frequency point value as the first PLMN. And when the searched PLMN has the frequency point value which is the same as the second frequency point value, determining the PLMN corresponding to the frequency point which is the same as the second frequency point value as the second PLMN. The first PLMN and the second PLMN can be determined by the method.

Of course, the first PLMN and the second PLMN may be determined by other methods.

In one embodiment, the terminal device may determine the first PLMM and the second PLMN after being powered on.

In another embodiment, the method further comprises:

the result of whether the first PLMN and the second PLMN support dynamic spectrum sharing is stored. After determining whether the first PLMN and the second PLMN support dynamic spectrum sharing, storing the determined result in the terminal device, thereby being convenient for the terminal device to omit the process of determining whether the first PLMN and the second PLMN support dynamic spectrum sharing again when the second PLMN and the second PLMN are connected next time.

In one embodiment, storing the result of whether the first PLMN and the second PLMN support dynamic spectrum sharing may be performed after determining whether the first PLMN and the second PLMN support dynamic spectrum sharing, respectively.

Referring to fig. 6, a schematic diagram of a network selection apparatus, which can be applied to at least a terminal device, includes:

a network determining module 1, configured to determine a first PLMN currently connected to the terminal device and at least one second PLMN equivalent to the first PLMN;

a first dynamic spectrum sharing determination module 2, configured to determine whether the first PLMN supports dynamic spectrum sharing;

a second dynamic spectrum sharing determining module 3, configured to determine whether the second PLMN supports dynamic spectrum sharing;

a network selection module 4, configured to switch a network to which the terminal device is currently connected from a first PLMN to a second PLMN when it is determined that the first PLMN does not support the dynamic spectrum sharing and the second PLMN supports the dynamic spectrum sharing.

In another embodiment, the network selection module 3 includes:

a priority updating unit, configured to update a priority of the second PLMN to be higher than a priority of the first PLMN when it is determined that the first PLMN does not support the dynamic spectrum sharing and the second PLMN supports the dynamic spectrum sharing;

and the network determining unit is used for determining the currently connected network of the terminal equipment according to the priority.

In another embodiment, the dynamic spectrum sharing determining module 2 includes:

a camping request generating unit, configured to send a camping request to the second PLMN;

a camping response receiving unit, configured to receive a camping response returned by the second PLMN according to the camping request, where the camping response includes information indicating whether the second PLMN supports the dynamic spectrum sharing;

a first dynamic spectrum sharing determining unit, configured to determine whether the second PLMN supports the dynamic spectrum sharing according to the camping response.

In another embodiment, the dynamic spectrum sharing determining module 2 further includes:

a query request generation unit, configured to send a query request to the second PLMN, where the query request is used to obtain whether the second PLMN supports the dynamic spectrum sharing;

a feedback information receiving unit, configured to receive feedback information issued by the second PLMN according to the query request, where the feedback information includes: an identifier indicating whether the second PLMN supports the dynamic spectrum sharing;

a second dynamic spectrum sharing determining unit, configured to determine whether the second PLMN supports the dynamic spectrum sharing according to the feedback information.

In another embodiment, the dynamic spectrum sharing determination module 2 further includes:

a configuration parameter obtaining unit, configured to obtain a configuration parameter of an operator of the first PLMN to the first PLMN;

a third dynamic spectrum sharing determining unit, configured to determine whether the first PLMN supports the dynamic spectrum sharing according to the configuration parameter.

In another embodiment, the apparatus further comprises:

and the network residing module is used for residing the network to the first PLMN and connecting to the first PLMN.

In another embodiment, the network selection module 4 is further configured to:

and when the first PLMN is determined to support the dynamic spectrum sharing, maintaining the network to which the terminal equipment is currently connected as the first PLMN.

In another embodiment, the network selection module 4 is further configured to:

and when determining that neither the first PLMN nor the second PLMN supports the dynamic spectrum sharing, maintaining the network to which the terminal device is currently connected as the first PLMN.

In another embodiment, a first frequency point value and a second frequency point value are stored in the terminal device;

network determination module 1, comprising:

the search module is used for searching a plurality of PLMNs covered in the current area, and each PLMN has a frequency point value;

a determining module, configured to determine a PLMN whose frequency point value is equal to the first frequency point value as a first PLMN; determining a PLMN having a frequency point value equal to the second frequency point value as a second PLMN.

In another embodiment, the first PLMN includes: and the home public land mobile network HPLMN of the terminal equipment.

In another embodiment, the apparatus further comprises:

and the storage module is used for storing the result of whether the first PLMN and the second PLMN support the dynamic spectrum sharing.

In another embodiment, another network selection method is further provided, and fig. 7 is a schematic diagram of the method, where the method includes:

1. user Equipment (UE) performs initial network searching, searches all networks in the current area of the network, records the frequency points of the searched networks, and determines a first PLMN and a second PLMN according to the frequency points, wherein the first PLMN comprises a HPLMN. The HPLMN may be the network covered by the base station eNB 1.

2. The UE reads the equivalent PLMN of the HPLMN, i.e. the EPLMN, into a database inside the UE. The EPLMN may be the network covered by the base station eNB 2.

3. The UE registers with the EPLMN first and detects whether the EPLMN supports Dynamic Spectrum Sharing (DSS).

4. The database (UE DB) of the UE records whether the stored EPLMN supports DSS status.

5. The UE then stays in the network towards the HPLMN, and detects whether the HPLMN supports DSS.

6. And recording and storing whether the HPLMN supports the DSS state in the UE database. And when the HPLMN supports the DSS, the first PLMN is kept connected, and data transmission is carried out through the HPLMN.

7. When the UE carries out mass data transmission, if the HPLMN does not support the DSS and the EPLMN supports the DSS, the network selection priority is forcibly updated.

8. The UE is Handed Over (HO) from the HPLMN to the EPLMN network.

9. And the UE transmits data on the EPLMN, so that the efficiency is improved.

The embodiment can optimize the scenario that the HPLMN does not support 5G DSS but the EPLMN supports 5G DSS, and when the UE needs a large amount of 5G resources to transmit data and the HPLMN does not support 5G DSS, the UE tries to register the EPLMN first, and detects whether the EPLMN supports 5G DSS. If the EPLMN supports the DSS, the UE switches to the EPLMN for registration and performs data transmission on the EPLMN.

For example, in a yougo operator in spain, the network itself does not support DSS, but the EPLMN (spanish orange) supports DSS, so that when there is a large amount of data transmission, the UE switches the network to the EPLMN for data transmission, thereby improving transmission efficiency.

In another embodiment, there is also provided an electronic device including:

a processor and a memory for storing executable instructions operable on the processor, wherein:

when the processor is used for executing the executable instructions, the executable instructions execute the method of any one of the above embodiments.

In another embodiment, a non-transitory computer-readable storage medium is provided, having stored thereon computer-executable instructions that, when executed by a processor, implement the method of any of the above embodiments.

It should be noted that "first" and "second" in the embodiments of the present disclosure are merely for convenience of description and distinction, and have no other specific meaning.

Fig. 8 is a block diagram illustrating a terminal device according to an example embodiment. For example, the terminal device may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.

Referring to fig. 8, the terminal device may include one or more of the following components: a processing component 802, a memory 804, a power component 806, a multimedia component 808, an audio component 810, an input/output (I/O) interface 812, a sensor component 814, and a communication component 816.

The processing component 802 generally controls overall operation of the terminal device, such as operations associated with presentation, telephone calls, data communications, camera operations, and recording operations. The processing components 802 may include one or more processors 820 to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component 802 can include one or more modules that facilitate interaction between the processing component 802 and other components. For example, the processing component 802 can include a multimedia module to facilitate interaction between the multimedia component 808 and the processing component 802.

The memory 804 is configured to store various types of data to support operations at the terminal device. Examples of such data include instructions for any application or method operating on the terminal device, contact data, phonebook data, messages, pictures, videos, and the like. The memory 804 may be implemented by any type or combination of volatile or non-volatile 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 disks.

The power component 806 provides power to various components of the terminal device. The power components 806 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for terminal devices.

The multimedia component 808 includes a screen that provides an output interface between the terminal device and the user. 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 an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 808 includes a front facing camera and/or a rear facing camera. When the terminal device is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.

The audio component 810 is configured to output and/or input audio signals. For example, the audio component 810 includes a Microphone (MIC) configured to receive external audio signals when the terminal device is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 804 or transmitted via the communication component 816. In some embodiments, audio component 810 also includes a speaker for outputting audio signals.

The I/O interface 812 provides an interface between the processing component 802 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.

Sensor component 814 includes one or more sensors for providing various aspects of state assessment for the terminal device. For example, sensor assembly 814 may detect the open/closed status of the terminal device, the relative positioning of components, such as the display and keypad of the terminal device, the change in position of the terminal device or a component of the terminal device, the presence or absence of user contact with the terminal device, the orientation or acceleration/deceleration of the terminal device, and the change in temperature of the terminal device. Sensor assembly 814 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 814 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 814 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

The communication component 816 is configured to facilitate communication between the terminal device and other devices in a wired or wireless manner. The terminal device may access a wireless network based on a communication standard, such as WiFi,2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 816 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, communications component 816 further includes a Near Field Communications (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 terminal device 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, micro-controllers, microprocessors or other electronic components for performing the above-described methods.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A network selection method is applied to terminal equipment and comprises the following steps:

determining a first PLMN currently connected with the terminal equipment and at least one second PLMN equivalent to the first PLMN;

determining whether the first PLMN supports dynamic spectrum sharing;

determining whether the second PLMN supports dynamic spectrum sharing;

and when determining that the first PLMN does not support the dynamic spectrum sharing and the second PLMN supports the dynamic spectrum sharing, switching the network to which the terminal equipment is currently connected from the first PLMN to the second PLMN.

2. The method of claim 1, wherein the switching the currently connected network of the terminal device from the first PLMN to the second PLMN upon determining that the first PLMN does not support the dynamic spectrum sharing and the second PLMN supports the dynamic spectrum sharing comprises:

upon determining that the first PLMN does not support the dynamic spectrum sharing and the second PLMN supports the dynamic spectrum sharing, updating a priority of the second PLMN to be higher than a priority of the first PLMN;

and determining the currently connected network of the terminal equipment according to the priority.

3. The method of claim 1, wherein the determining whether the second PLMN supports dynamic spectrum sharing comprises:

sending a camp-on request to the second PLMN;

receiving a residing response returned by the second PLMN according to the residing request, wherein the residing response comprises information indicating whether the second PLMN supports the dynamic spectrum sharing;

determining whether the second PLMN supports the dynamic spectrum sharing according to the camping response.

4. The method of claim 1, wherein the determining whether the second PLMN supports dynamic spectrum sharing further comprises:

sending an inquiry request to the second PLMN, wherein the inquiry request is used for acquiring whether the second PLMN supports the dynamic spectrum sharing;

receiving feedback information issued by the second PLMN according to the query request, wherein the feedback information comprises: an identifier indicating whether the second PLMN supports the dynamic spectrum sharing;

and determining whether the second PLMN supports the dynamic spectrum sharing according to the feedback information.

5. The method of claim 1, wherein the determining whether the first PLMN supports dynamic spectrum sharing further comprises:

acquiring configuration parameters of an operator of the first PLMN to the first PLMN;

determining whether the first PLMN supports the dynamic spectrum sharing according to the configuration parameters.

6. The method of claim 1, further comprising:

and residing the network to the first PLMN and connecting to the first PLMN.

7. The method of claim 1, further comprising:

when it is determined that the first PLMN supports the dynamic spectrum sharing, maintaining a network to which the terminal device is currently connected as the first PLMN.

8. The method of claim 1, further comprising:

9. The method according to claim 1, characterized in that a first frequency point value and a second frequency point value are stored in the terminal device;

the determining a first PLMN currently connected to the terminal device and at least one second PLMN equivalent to the first PLMN includes:

searching a plurality of PLMNs covered in a current area, wherein each PLMN has a frequency point value;

determining a PLMN having a frequency point value equal to the first frequency point value as a first PLMN;

determining a PLMN having a frequency point value equal to the second frequency point value as a second PLMN.

10. The method of claim 1, wherein the first PLMN comprises: and the home public land mobile network HPLMN of the terminal equipment.

11. The method of claim 1, further comprising:

and storing the result of whether the first PLMN and the second PLMN support the dynamic spectrum sharing.

12. A network selection device is applied to a terminal device and comprises:

a network determining module, configured to determine a first PLMN currently connected to the terminal device and at least one second PLMN equivalent to the first PLMN;

a first dynamic spectrum sharing determination module configured to determine whether the first PLMN supports dynamic spectrum sharing;

a second dynamic spectrum sharing determination module, configured to determine whether the second PLMN supports dynamic spectrum sharing;

a network selection module, configured to switch a network to which the terminal device is currently connected from a first PLMN to a second PLMN when it is determined that the first PLMN does not support the dynamic spectrum sharing and the second PLMN supports the dynamic spectrum sharing.

13. An electronic device, comprising:

a processor configured to execute the executable instructions, the executable instructions performing the method of any of claims 1 to 11.

14. A non-transitory computer-readable storage medium having stored thereon computer-executable instructions that, when executed by a processor, perform the method of any of claims 1 to 11.