CN106332229B - Network selection method and device of mobile terminal - Google Patents
Network selection method and device of mobile terminal Download PDFInfo
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- CN106332229B CN106332229B CN201510341104.3A CN201510341104A CN106332229B CN 106332229 B CN106332229 B CN 106332229B CN 201510341104 A CN201510341104 A CN 201510341104A CN 106332229 B CN106332229 B CN 106332229B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
Abstract
The network selection method and device of the mobile terminal comprise the following steps: when a mobile terminal is started, acquiring information of network types and frequency bands supported by the mobile terminal; scanning frequency points of each frequency band while reading file information of a user identification card in the mobile terminal, and recording information of the scanned frequency points; and when the file information of the user identification card in the mobile terminal is read, combining the scanned frequency point information with the prior frequency point information stored in the mobile terminal to select and register a network, wherein the prior frequency point is the frequency point used by the mobile terminal once. By means of the scheme, the network selection efficiency can be improved, and the use experience of a user is improved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a network selection method and apparatus.
Background
The mobile terminal refers to a computer device that can be used in mobile, and broadly includes a mobile phone, a notebook, a tablet computer, a POS machine, a vehicle-mounted computer, and the like. With the rapid development of integrated circuit technology, the processing capability of the mobile terminal has already possessed strong processing capability, and the mobile terminal is changing from a simple conversation tool to an integrated information processing platform, which also increases a wider development space for the mobile terminal.
When a Mobile terminal is powered on, a service provided by a local Public Land Mobile Network (PLMN) needs to be acquired, the PLMN needs to be searched first and registration is attempted, and when the registration is successful, the user can acquire the service. However, the conventional mobile terminal can scan the frequency point only when the file information of the subscriber identity card is read, and therefore, the network selection efficiency is low.
Disclosure of Invention
The embodiment of the invention solves the problem of improving the network selection efficiency.
In order to solve the above problem, an embodiment of the present invention provides a network selection method for a mobile terminal, where the method includes:
when a mobile terminal is started, acquiring information of network types and frequency bands supported by the mobile terminal;
scanning frequency points of each frequency band while reading file information of a user identification card in the mobile terminal, and recording information of the scanned frequency points;
and when the file information of the user identification card in the mobile terminal is read, combining the scanned frequency point information with the prior frequency point information stored in the mobile terminal to select and register a network, wherein the prior frequency point is the frequency point used by the mobile terminal once.
Optionally, the performing frequency point scanning on each frequency band includes: and performing frequency point scanning on each frequency band according to the priority order of the network type to which each frequency band belongs.
Optionally, the selecting and registering a network by combining the information of the frequency points obtained by scanning with the information of the frequency points stored in the mobile terminal includes:
selecting frequency bands according to the priority order of the network types to which the frequency bands belong;
when the current frequency band is determined to be scanned completely, network selection and registration are carried out by adopting the information of the frequency point of the current frequency band obtained by scanning;
when the current frequency band is determined not to be scanned completely, network selection and registration are carried out by adopting the information of the frequency point of the current frequency band obtained by scanning and the information of the prior frequency point of the current frequency band stored in the mobile terminal;
and when the current frequency band is determined to be unscanned, selecting and registering the network by adopting the prior frequency point information of the current frequency band stored in the mobile terminal.
Optionally, when the network selection and registration fail, the method further includes:
frequency point scanning is carried out on the frequency bands which are not scanned completely and not scanned;
and selecting and registering the network by adopting the frequency point information obtained by scanning the frequency points of the frequency bands which are not scanned and not scanned.
The embodiment of the invention also provides a network selection device of the mobile terminal, which comprises:
the mobile terminal comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is suitable for acquiring information of network types and frequency bands supported by the mobile terminal when the mobile terminal is started;
the first scanning unit is suitable for scanning frequency points of each frequency band while reading file information of a user identification card in the mobile terminal, and recording the information of the scanned frequency points;
and the first network selection unit is suitable for combining the information of the frequency points obtained by scanning with the prior frequency point information stored in the mobile terminal to select and register the network when the file information of the subscriber identity module card in the mobile terminal is read, wherein the prior frequency point is the frequency point used by the mobile terminal once.
Optionally, the first scanning unit is adapted to perform frequency point scanning on each frequency band according to a priority order of a network type to which each frequency band belongs.
Optionally, the first network selecting unit is adapted to select the frequency bands according to a priority order of the network types to which the frequency bands belong; when the scanning of the frequency point of the selected current frequency band is determined to be finished, network selection and registration are carried out by adopting the information of the frequency point of the scanned current frequency band; when the current frequency band is determined not to be scanned completely, network selection and registration are carried out by combining the information of the frequency point of the current frequency band obtained by scanning and the information of the prior frequency point of the current frequency band stored in the mobile terminal; and when the current frequency band is determined to be unscanned, selecting and registering the network by adopting the prior frequency point information of the current frequency band stored in the mobile terminal.
Optionally, the apparatus further comprises:
the second scanning unit is suitable for scanning frequency points of unscanned and unscanned frequency bands when network selection and registration are failed;
and the second network selection unit is suitable for selecting and registering the network by adopting the information of the frequency points obtained by scanning the frequency points of the frequency bands which are not scanned and not scanned.
Compared with the prior art, the technical scheme of the invention has the following advantages:
according to the scheme, when the mobile terminal reads the file information of the user identification card, the frequency point is scanned, the scanned frequency point and the information of the prior frequency point stored in the mobile terminal are combined to complete network selection and registration, namely, the file information of the user identification card is read and the frequency point scanning are processed in parallel, and the scanning of the frequency point is not started after the file information of the user identification card is read, so that the network selection efficiency of the mobile terminal can be effectively improved, and the use experience of a user is improved.
Furthermore, when network selection and registration fail, the frequency points of the frequency bands which are not scanned and scanned are scanned, and information of the frequency points obtained by scanning the frequency points of the frequency bands which are not scanned and scanned is adopted to perform network selection and registration, so that the network selection failure caused by scanning omission under a few conditions can be avoided under the condition of high-efficiency network selection under most conditions, and the success rate of network selection can be further improved.
Drawings
Fig. 1 is a flowchart of a network selection method of a mobile terminal in an embodiment of the present invention;
fig. 2 is a flowchart of another network selection method of a mobile terminal in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a network selection apparatus of a mobile terminal in an embodiment of the present invention.
Detailed Description
In order to solve the above problems in the prior art, in the technical scheme adopted in the embodiment of the present invention, when the mobile terminal reads the file information of the subscriber identity module, the scanning of the frequency point is performed, and the frequency point obtained by scanning is combined with the prior frequency point information stored in the mobile terminal to complete the selection and registration of the network, so that the efficiency of network selection of the mobile terminal can be improved, and the user experience of the user can be improved.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Fig. 1 shows a flowchart of a network selection method of a mobile terminal in an embodiment of the present invention. The network selection method of the mobile terminal shown in fig. 1 may include:
step S101: when a mobile terminal is started, acquiring information of network types and frequency bands supported by the mobile terminal;
step S102: and scanning frequency points of each frequency band while reading the file information of the user identification card in the mobile terminal, and recording the information of the scanned frequency points.
Step S103: and when the file information of the user identification card in the mobile terminal is read, combining the scanned frequency point information with the prior frequency point information stored in the mobile terminal to select and register a network, wherein the prior frequency point is the frequency point used by the mobile terminal once.
According to the scheme, when the mobile terminal reads the file information of the user identification card, the frequency point is scanned, the scanned frequency point and the information of the prior frequency point stored in the mobile terminal are combined to complete network selection and registration, and the scanning of the frequency point is not started after the file information of the user identification card is read, so that the network selection efficiency of the mobile terminal can be effectively improved, and the use experience of a user is improved.
The network selection method of the mobile terminal in the embodiment of the present invention will be described in further detail with reference to fig. 2.
Fig. 2 is a flowchart illustrating a network selection method of a mobile terminal in an embodiment of the present invention. As shown in fig. 2, the following steps may be included:
step S201: and when the mobile terminal is started, reading the information of the network type and the frequency band supported by the mobile terminal.
In a specific implementation, the information of the network type (network type) and the frequency band supported by the mobile terminal may be directly obtained from the mobile terminal by the physical layer. For example, the network system and frequency band supported by the mobile terminal are: the frequency bands 38, 39, and 40 in the Time Division Long Term Evolution (TD-LTE) System, the frequency bands 34 and 39 in the Time Division-Synchronous Code Division Multiple Access (TD-SCDMA) System, and the frequency bands 900 and 1800 in the Global System for Mobile Communication (GSM) System.
Step S202: when the file information of the user identification card is read, frequency point scanning is carried out on each frequency band according to the priority sequence of the network type, and the information of the scanned frequency points is recorded.
In the specific implementation, the scanning of the frequency points is carried out while the file information of the user identification card installed in the mobile terminal is read, and the two are parallel, so that the time can be saved.
In a specific implementation, in order to improve the user experience, in an embodiment of the present invention, frequency point scanning is performed on each frequency band according to a priority order of a network type. For example, taking the systems and frequency bands supported by the mobile terminal as TD-LTE frequency bands 38, 39, 40, and TD-SCDMA frequency bands 34, 39, GSM 900, 1800 as examples, when performing frequency point scanning, frequency point scanning is performed on the corresponding supported frequency bands according to the sequence TD-LTE → TD-SCDMA → GSM, and then the detected frequency points are stored for subsequent network selection operation.
Since the network with the prior priority can provide better use experience for the user, in an embodiment of the present invention, the frequency band under the network system with the higher priority is preferentially scanned, the frequency point of the frequency band under the network system with the higher priority can be preferentially used in the subsequent network selection operation, and the use experience of the user can be improved.
Step S203: and when the file information of the user identification card is read, selecting the frequency bands according to the priority order of the network types to which the frequency bands belong.
In a specific implementation, when the mobile terminal is powered on, the protocol stack starts to read information of a Universal/Subscriber Identity Module (USIM/SIM) file, and meanwhile, a Radio Frequency (RF) unit in the mobile terminal performs Frequency point scanning, that is, the reading of the information of the USIM/SIM file is performed synchronously.
When reading the USIM/SIM file, the protocol stack starts to initiate the cell residence operation. At this time, no matter whether the frequency band under the system supported by the mobile terminal is scanned, the physical layer notifies the RF unit to end the frequency point scanning and starts to execute the operation of resident network selection.
In specific implementation, in order to provide better use experience for users, frequency points of corresponding frequency bands are respectively selected for residence network selection operation in a mode of descending network standard priority. Similarly, taking TD-LTE frequency bands 38, 39, 40 supported by the mobile terminal, and TD-SCDMA frequency bands 34, 39, GSM 900, 1800 as examples, when performing the network camping operation, the frequency points of the corresponding supported frequency bands are also used for performing the network camping operation according to the sequence TD-LTE → TD-SCDMA → GSM.
Step S204: and judging whether the selected current frequency band is scanned or not.
In a specific implementation, when the USIM/SIM file is read, the physical layer notifies the RF unit to end the frequency point scanning no matter whether the frequency band supported by the mobile terminal is scanned. Therefore, when the protocol stack initiates the camping network finding operation, each frequency band supported by the mobile terminal may have been already scanned, or may have only been scanned for a part of frequency bands, or may have a situation that only a part of frequency point scanning is performed for a certain frequency band.
In a specific implementation, when the determination result is yes, step S205 may be executed; otherwise, step S208 may be performed.
Step S205: and judging whether the current frequency band is scanned completely.
In a specific implementation, when it is determined that the selected current frequency band is scanned, it is then determined whether the current frequency band is completely scanned, that is, whether all frequency points of the current frequency band are scanned.
In a specific implementation, when the determination result is yes, step S206 may be performed; otherwise, step S207 may be performed.
Step S206: and selecting and registering the network by adopting the information of the frequency point of the current frequency band obtained by scanning.
In a specific implementation, when all the frequency points of the selected current frequency band are scanned, the scanned frequency points of the current frequency band are all available frequency points of the current frequency band. Therefore, at this time, only the frequency point of the current frequency point obtained by scanning is used for network selection and registration.
Step S207: and combining the information of the frequency point of the current frequency band obtained by scanning with the information of the prior frequency point of the current frequency band stored in the mobile terminal to select and register the network.
In a specific implementation, when the selected current frequency band has been subjected to frequency point scanning by RF, but the scanning is not completed completely, the network selection and registration operation may be performed by using the scanned frequency point of the current frequency band. When the network selection and registration failure is carried out by adopting the frequency point of the current frequency band obtained by scanning, the prior frequency point of the current frequency band stored in the mobile terminal can be selected and registered to improve the success rate of resident network selection.
Step S208: and selecting and registering a network by adopting the prior frequency point information of the current frequency band stored in the mobile terminal.
In specific implementation, when the selected current frequency band is not scanned by the RF unit, the network selection and registration can be performed directly by using the information of the prior frequency point of the current frequency band stored in the mobile terminal, so as to improve the efficiency of residing and finding the network.
In the specific implementation, when the network selection and registration are failed by combining the frequency points obtained by scanning and the prior frequency points stored in the mobile terminal, the network selection method of the mobile terminal in the implementation of the present invention may further include:
step S209: and when the network selection and registration are failed, frequency point scanning is carried out on the frequency bands which are not scanned and not scanned.
In a specific implementation, when the USIM/SIM file is read, the physical layer notifies the RF unit to end the frequency point scanning no matter whether the frequency band supported by the mobile terminal is scanned. In most cases, the mobile terminal can successfully select and register the network by using the frequency points obtained by scanning and the prior frequency points stored in the mobile terminal. However, in a few cases, there may be a case where the network selection and registration fails, and therefore, when the network selection and registration fails, frequency point scanning may be performed on a frequency band that is not scanned completely or a part of the frequency band that is not scanned in the current network system, so as to find a suitable frequency point.
Step S210: and selecting and registering the network by adopting the information of the frequency points obtained by scanning the frequency bands which are not scanned completely and not scanned.
In specific implementation, when the frequency bands which are not scanned and not scanned are scanned to detect corresponding frequency point information, the network selection and registration can be continuously performed by adopting the frequency points obtained by scanning, so that the success rate of network selection is improved.
Fig. 3 is a schematic structural diagram illustrating a network selection apparatus of a mobile terminal in an embodiment of the present invention. The network selection apparatus 300 of the mobile terminal shown in fig. 3 may include an obtaining unit 301, a first scanning unit 302, and a first network selecting unit 303, where:
an obtaining unit 301, adapted to obtain information of network types and frequency bands supported by a mobile terminal when the mobile terminal is powered on;
the first scanning unit 302 is adapted to scan frequency points of each frequency band while reading file information of a subscriber identity module card in the mobile terminal, and record information of the scanned frequency points.
In a specific implementation, the first scanning unit 302 is adapted to scan the frequency points of each frequency band according to a priority order of a network type to which each frequency band belongs.
The first network selecting unit 303 is adapted to combine the information of the frequency point obtained by scanning with the prior frequency point information stored in the mobile terminal to select and register a network when the file information of the subscriber identity module card in the mobile terminal is read, where the prior frequency point is a frequency point used by the mobile terminal once.
In a specific implementation, the first network selecting unit 303 is adapted to select the frequency bands according to a priority order of the network types to which the frequency bands belong when the file information of the subscriber identity module card is read; when the frequency point of the current frequency band is determined to be scanned completely, network selection and registration are carried out by adopting the information of the frequency point of the current frequency band obtained by scanning; when it is determined that the frequency point of the current frequency band is not scanned completely, network selection and registration are performed by using the information of the frequency point of the current frequency band obtained by scanning and the prior frequency point of the current frequency band stored in the mobile terminal; and when the current frequency band is determined to be not scanned, selecting and registering the network by adopting the prior frequency point of the current frequency band stored in the mobile terminal.
In a specific implementation, when the network selection and registration are failed, the network selection apparatus 300 of the mobile terminal shown in fig. 3 may further include a second scanning unit 304 and a second network selecting unit 305, where:
the second scanning unit 304 is adapted to scan frequency points of frequency bands which are not scanned and are not scanned when network selection and registration are failed.
The second network selecting unit 305 is adapted to select and register a network by using information of frequency points obtained by scanning the frequency points of the unscanned and unscanned frequency bands.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by instructions associated with hardware via a program, which may be stored in a computer-readable storage medium, and the storage medium may include: ROM, RAM, magnetic or optical disks, and the like.
The method and system of the embodiments of the present invention have been described in detail, but the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. A network selection method of a mobile terminal is characterized by comprising the following steps:
when a mobile terminal is started, acquiring information of network types and frequency bands supported by the mobile terminal;
scanning frequency points of each frequency band while reading file information of a user identification card in the mobile terminal, and recording information of the scanned frequency points;
when the file information of the user identification card in the mobile terminal is read, combining the scanned frequency point information with the prior frequency point information stored in the mobile terminal to select and register a network, wherein the prior frequency point is a frequency point used by the mobile terminal;
the said information of frequency point that will scan and obtain combines with the frequency point information stored in the said mobile terminal, carry on the choice and registration of the network, including: selecting frequency bands according to the priority order of the network types to which the frequency bands belong; when the selected current frequency band is determined to be scanned completely, network selection and registration are carried out by adopting the information of the frequency point of the current frequency band obtained by scanning; when the current frequency band is determined not to be scanned completely, selecting and registering a network by combining the information of the frequency point of the current frequency band obtained by scanning and the prior frequency point of the current frequency band stored in the mobile terminal; and when the current frequency band is determined to be unscanned, selecting and registering the network by adopting the prior frequency point information of the current frequency band stored in the mobile terminal.
2. The network selection method of the mobile terminal according to claim 1, wherein the performing frequency point scanning on each frequency band includes: and performing frequency point scanning on each frequency band according to the priority order of the network type to which each frequency band belongs.
3. The network selection method of the mobile terminal according to claim 1, wherein when the network selection and registration fails, the method further comprises:
frequency point scanning is carried out on the frequency bands which are not scanned completely and not scanned;
and selecting and registering the network by adopting the frequency point information obtained by scanning the frequency points of the frequency bands which are not scanned and not scanned.
4. A network selection apparatus of a mobile terminal, comprising:
the mobile terminal comprises an acquisition unit, a processing unit and a processing unit, wherein the acquisition unit is suitable for acquiring information of network types and frequency bands supported by the mobile terminal when the mobile terminal is started;
the first scanning unit is suitable for scanning frequency points of each frequency band while reading file information of a user identification card in the mobile terminal, and recording the information of the scanned frequency points;
the first network selection unit is suitable for combining the information of the frequency points obtained by scanning with the prior frequency point information stored in the mobile terminal to select and register the network when the file information of the subscriber identity module card in the mobile terminal is read, wherein the prior frequency point is the frequency point used by the mobile terminal;
the first network selection unit is suitable for selecting frequency bands according to the priority order of the network types to which the frequency bands belong; when the selected current frequency band is determined to be scanned completely, network selection and registration are carried out by adopting the information of the frequency point of the current frequency band obtained by scanning; when the current frequency band is determined not to be scanned completely, network selection and registration are carried out by combining the information of the frequency point of the current frequency band obtained by scanning and the information of the prior frequency point of the current frequency band stored in the mobile terminal; and when the current frequency band is determined to be unscanned, selecting and registering the network by adopting the prior frequency point information of the current frequency band stored in the mobile terminal.
5. The network selection apparatus of claim 4, wherein the first scanning unit is adapted to perform frequency point scanning on each frequency band according to a priority order of a network type to which each frequency band belongs.
6. The network selection apparatus of a mobile terminal according to claim 4, further comprising:
the second scanning unit is suitable for scanning frequency points of unscanned and unscanned frequency bands when network selection and registration are failed;
and the second network selection unit is suitable for selecting and registering the network by adopting the information of the frequency points obtained by scanning the frequency points of the frequency bands which are not scanned and not scanned.
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| CN106973426A (en) * | 2017-05-25 | 2017-07-21 | 深圳市万普拉斯科技有限公司 | Band scan method, device and mobile terminal |
| CN108024271A (en) * | 2017-11-28 | 2018-05-11 | 广东欧珀移动通信有限公司 | wireless network management method, wireless network management device and intelligent terminal |
| CN108684068A (en) * | 2018-04-28 | 2018-10-19 | 努比亚技术有限公司 | network search method, mobile terminal and computer readable storage medium |
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