CN114501588A - Cell access method and user terminal - Google Patents
Cell access method and user terminal Download PDFInfo
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- CN114501588A CN114501588A CN202011264284.7A CN202011264284A CN114501588A CN 114501588 A CN114501588 A CN 114501588A CN 202011264284 A CN202011264284 A CN 202011264284A CN 114501588 A CN114501588 A CN 114501588A
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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
- H04W48/20—Selecting an access point
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Abstract
The invention discloses a cell access method, which comprises the following steps: acquiring locally stored access information, wherein the access information comprises operator network information to be accessed and access priority information, and the access priority information at least comprises frequency band priority information; determining a cell corresponding to the operator network information to be accessed; and determining a cell to be accessed according to the access priority information. According to the cell access method provided by the invention, the user terminal can determine the cell of the operator network to be accessed according to the operator network information to be accessed acquired from the local, and then determine the current cell to be accessed from the cells of the operator network to be accessed according to the priority information at least comprising the frequency band priority information. The invention also provides a user terminal.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a cell access method and a user terminal.
Background
At present, a terminal basically implements Network access after international roaming based on a 3GPP (3rd Generation partnership project) standard flow, that is, a Network is first searched based on a PLMN (Public Land Mobile Network), and the priority order of the Network is generally RPLMN (Network PLMN of last Network injection of Registered PLMN Mobile phone), HPLMN (Home PLMN ), EHPLMN (Equivalent Home PLMN, Equivalent Home PLMN), and PPLMN (preferredPLMN ); then, searching the network based on the network System, for example, the network System of china includes 5G NR (5th generation mobile network New Radio, the New air interface of the fifth generation mobile Communication technology), LTE (Long Term Evolution), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), GSM (Global System for mobile Communication), etc., but the search order of each manufacturer for the network System is not completely the same; and finally, trying to access each cell in sequence.
However, the standard cannot be applied to some special scenarios of international roaming, such as: the problem of preferential access to a certain operator network after international roaming.
Disclosure of Invention
Therefore, the invention provides a cell access method and a user terminal, which aim to solve the problem that the international roaming user can not preferentially access to an operator network because the international roaming user only searches for the network based on the 3GPP standard process in the prior art.
In order to achieve the above object, the present invention provides a cell access method, including:
acquiring locally stored access information, wherein the access information comprises operator network information to be accessed and access priority information, and the access priority information at least comprises frequency band priority information;
determining a cell corresponding to the operator network information to be accessed;
and determining a cell to be accessed according to the access priority information.
In some embodiments, before obtaining the locally stored access information, the method further includes: installing a preset application program;
the acquiring of the locally stored access information includes: and acquiring the access information stored in the application program.
In some embodiments, the operator network information comprises public land mobile network, PLMN, information of a predetermined operator network.
In some embodiments, the determining, according to the access priority information, a cell to be accessed includes: and determining a cell to be accessed according to the network system priority information and the frequency band priority information.
In some embodiments, the determining a cell to be accessed according to the network system priority information and the frequency band priority information includes:
sequencing the cells corresponding to the operator network information to be accessed according to the network standard priority information to obtain a first cell sequence;
respectively sequencing the cells with the same network system in the first cell sequence according to the frequency band priority information to obtain a second cell sequence;
and determining a cell to be accessed according to the second cell sequence.
In some embodiments, after the determining a cell to access according to the second cell sequence, the method further comprises:
accessing the cell to be accessed;
and if the cell to be accessed is not accessed successfully, determining the cell to be accessed according to the second cell sequence.
The present invention also provides a user terminal, comprising:
the access priority information comprises frequency band priority information;
the processing module is used for determining a cell corresponding to the operator network information to be accessed; and the cell to be accessed is determined according to the access priority information.
In some embodiments, the processing module is further configured to install a preset application;
the acquisition module is used for acquiring the access information stored in the application program.
In some embodiments, the operator network information comprises public land mobile network, PLMN, information of a predetermined operator network.
In some embodiments, the access priority information further includes network system priority information, and the processing module is configured to determine a cell to be accessed according to the network system priority information and the frequency band priority information.
The invention has the following advantages:
according to the cell access method provided by the embodiment of the invention, the user terminal can determine the cell to be accessed into the operator network according to the operator network information to be accessed, which is acquired from the local, and then determine the current cell to be accessed from the cell to be accessed into the operator network according to the priority information at least comprising the frequency band priority information.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic flowchart of a cell access method according to embodiment 1 of the present invention;
fig. 2 is a schematic flowchart of determining a cell to be accessed according to network system priority information and frequency band priority information according to embodiment 2 of the present invention;
fig. 3 is a schematic flowchart of accessing a cell to be accessed according to embodiment 3 of the present invention;
fig. 4 is a first schematic structural diagram of a user terminal according to embodiment 4 of the present invention;
fig. 5 is a schematic structural diagram of a user terminal according to embodiment 5 of the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
As shown in fig. 1, an embodiment of the present invention provides a cell access method, which may include the following steps:
step 1, obtaining locally stored access information, wherein the access information comprises operator network information to be accessed and access priority information, and the access priority information at least comprises frequency band priority information.
In the embodiment of the invention, the cell access method can be applied to user terminals which are international roaming in a certain country or region. The user terminal may locally acquire access information for accessing the cell, such as operator network information to be accessed, frequency band priority information, and the like.
The operator network information may include network information of a specific operator, and since different frequency bands are allocated to multiple operators for the operators to use as network coverage, the access information may also provide frequency band priority information of the specific operator.
And step 2, determining a cell corresponding to the operator network information to be accessed.
After the user terminal acquires the access information from the local, an international roaming re-network selection mechanism is triggered, namely, the initial access cell search is carried out at the current position again so as to determine the cell corresponding to the operator network information to be accessed.
And step 3, determining the cell to be accessed according to the access priority information.
The user terminal may determine a cell to be accessed from the cells determined in step 2 at least according to the frequency band priority information obtained locally. And selecting the cell to be accessed according to the frequency band priority information, so that the user terminal can be ensured to be preferentially accessed to the cell with high frequency band priority.
As can be seen from steps 1 to 3, in the cell access method provided in the embodiment of the present invention, the user terminal may determine the cell to be accessed to the operator network according to the operator network information to be accessed obtained locally, and then determine the current cell to be accessed from the cells to be accessed to the operator network according to the priority information at least including the frequency band priority information.
In some embodiments, before the obtaining the locally stored access information (i.e. step 1), the method may further include: and installing a preset application program. The acquiring locally stored access information (i.e., step 1) may include: and acquiring access information stored in a preset application program.
In the embodiment of the present invention, a user terminal may download and install a preset application program, where the preset application program may provide a network searching service for an international roaming user, where the preset application program may carry network information of an operator to be accessed and access priority information, and the access priority information may at least include frequency band priority information. The international roaming user can obtain the access information by starting the application program and activate the network re-selection mechanism, the application program calls the cell search capability of the modem of the user terminal, the current cell to be accessed is determined according to the access information, and the current cell to be accessed is tried to be accessed.
It should be noted that, in the embodiment of the present invention, how the user terminal downloads and installs the preset application program is not specifically limited, for example, the download of the application program may be provided to the international roaming user in a manner of a website, an application program, a wechat applet, and the like of the specified operator, or a two-dimensional code scanning service may be provided to the international roaming user at an entry/exit port, and a link of a download page of the application program may be provided in the two-dimensional code, and the user terminal scans the two-dimensional code and then links to the download page, that is, the application program may be downloaded and installed.
The operation and maintenance party of the application program can update the application program according to actual needs so as to update the specified operator network information and the access priority information in the application program.
In some embodiments, the operator network information comprises public land mobile network, PLMN, information of a predetermined operator network.
Since PLMN information of different operator networks is generally different, if network access after international roaming is implemented based on a 3GPP standard flow, different PLMN information is not distinguished to which operator network, respectively, and a network selection process is to perform cell search based on a selected PLMN, so that it is not distinguished to which operator network a cell preferentially accessed by a user terminal belongs.
In the embodiment of the present invention, the access information obtained from local by the user terminal through step 1 may include PLMN information of a preset operator network. After acquiring the PLMN information of the preset operator network from the local, the user terminal may preferentially access the cell of the preset operator network.
In some embodiments, the accessing priority information further includes network type priority information, and the determining a cell to be accessed according to the accessing priority information (i.e. step 3) may include: and determining the cell to be accessed according to the network system priority information and the frequency band priority information.
In the embodiment of the present invention, since the access information provides the preset PLMN information of the operator, the access information may also provide the network type priority corresponding to the PLMN information.
For example, there are three main carrier network companies in China, which are China Unicom network communications group, Inc. (hereinafter referred to as "Unicom"), China Mobile communications group, Inc. (hereinafter referred to as "Mobile"), and China Telecommunications group, Inc. (hereinafter referred to as "Telecommunications"). The network systems of 4G (the 4Generation mobile communication technology, fourth Generation communication technology), 3G (3rd-Generation, third Generation mobile communication technology) and 2G (2-Generation wireless telephone technology, second Generation mobile communication technology) are adopted for the communication, the mobile and the telecommunication. If the access information stored in the local application program provides a PLMN which is connected, that is, 46001, then the access information may also provide a network type priority: TD-LTE/FDD-LTE (Time Division-LTE/Frequency Division duplex LTE) for 4G, WCDMA for 3G, and GSM for 2G. If the access information stored in the local application program is provided with the mobile PLMN, that is, 46000, the access information may also provide the network system priority: TD-LTE of 4G, TD-SCDMA of 3G, and GSM of 2G.
It should be noted that the network systems adopted by different operator networks are different and are not limited to the various network systems listed above, and the network system priority information provided in the access information may be determined according to the provided operator network information.
In some embodiments, as shown in fig. 2, the determining a cell to be accessed according to the network system priority information and the frequency band priority information (i.e. step 3) may include the following steps:
and 31, sequencing the cells corresponding to the network information of the operator to be accessed according to the network standard priority information to obtain a first cell sequence.
After the user terminal obtains all cells of the designated operator network through the search in step 2, all cells can be sorted for the first time according to the network system priority information to obtain a first cell sequence.
And step 32, sequencing the cells with the same network system in the first cell sequence according to the frequency band priority information to obtain a second cell sequence.
Since multiple cells of the same network type may have different frequency bands, the user terminal may also re-sequence the cells of the same network type in the first cell sequence according to the frequency band priority information, so as to obtain a second cell sequence.
And step 33, determining the cell to be accessed according to the second cell sequence.
The user terminal may select a cell to be currently accessed from the second cell sequence in turn.
In some embodiments, as shown in fig. 3, after the determining a cell to be accessed according to the second cell sequence (i.e. step 33), the following steps may be further included:
and step 34, accessing the cell to be accessed.
Step 35, judging whether the access to the cell to be accessed is successful, if so, ending the process; otherwise, step 33 is executed again until the cell access is successful.
In the embodiment of the invention, if the cell to be accessed is not accessed successfully, the cell to be accessed is determined according to the second cell sequence until the cell is accessed successfully.
It should be noted that, in the first cell sequence, the user terminal may sequence all the cells in order from high to low according to the network system priority, or sequence all the cells in order from low to high according to the network system priority. Similarly, in the second cell sequence, the user terminal may sequence all the cells in an order from high to low in the network system priority and the frequency band priority, or sequence all the cells in an order from low to high in the network system priority and the frequency band priority. However, no matter all the cells in the second cell sequence are sorted from high to low or from low to high according to the two priorities, the user terminal determines the cells to be accessed according to the sequence from high to low according to the two priorities until the cells are successfully accessed.
Based on the same technical concept, as shown in fig. 4, an embodiment of the present invention further provides a user terminal, which may include:
the acquiring module 101 is configured to acquire locally stored access information, where the access information includes operator network information to be accessed and access priority information, and the access priority information at least includes frequency band priority information.
A processing module 102, configured to determine a cell corresponding to operator network information to be accessed; and the cell to be accessed is determined according to the access priority information.
In some embodiments, the processing module 102 is further configured to install a predetermined application.
The obtaining module 101 is configured to obtain access information stored in an application program.
In some embodiments, the operator network information comprises public land mobile network, PLMN, information of the predetermined operator network.
In some embodiments, the access priority information further includes network type priority information, and the processing module 102 is configured to: and determining the cell to be accessed according to the network system priority information and the frequency band priority information.
In some embodiments, the processing module 102 is configured to:
sequencing cells corresponding to operator network information to be accessed according to the network standard priority information to obtain a first cell sequence;
respectively sequencing cells with the same network system in the first cell sequence according to the frequency band priority information to obtain a second cell sequence;
and determining a cell to be accessed according to the second cell sequence.
In some embodiments, as shown in fig. 5, the user terminal further includes an access module 103, where the access module 103 is configured to access a cell to be accessed.
The processing module 102 is further configured to determine the cell to be accessed this time according to the second cell sequence if the cell to be accessed is not successfully accessed.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A method for cell access, comprising:
acquiring locally stored access information, wherein the access information comprises operator network information to be accessed and access priority information, and the access priority information at least comprises frequency band priority information;
determining a cell corresponding to the operator network information to be accessed;
and determining a cell to be accessed according to the access priority information.
2. The method of claim 1, wherein prior to obtaining the locally stored access information, further comprising: installing a preset application program;
the acquiring of the locally stored access information includes: and acquiring the access information stored in the application program.
3. The method of claim 1, wherein the operator network information comprises Public Land Mobile Network (PLMN) information of a predetermined operator network.
4. The method of claim 1, wherein the access priority information further includes network mode priority information, and the determining a cell to be accessed according to the access priority information includes: and determining a cell to be accessed according to the network system priority information and the frequency band priority information.
5. The method as claimed in claim 4, wherein said determining a cell to be accessed according to said network system priority information and said frequency band priority information comprises:
sequencing the cells corresponding to the operator network information to be accessed according to the network standard priority information to obtain a first cell sequence;
respectively sequencing the cells with the same network system in the first cell sequence according to the frequency band priority information to obtain a second cell sequence;
and determining a cell to be accessed according to the second cell sequence.
6. The method of claim 5, wherein after the determining the cell to access from the second cell sequence, further comprising:
accessing the cell to be accessed;
and if the cell to be accessed is not accessed successfully, determining the cell to be accessed according to the second cell sequence.
7. A user terminal, comprising:
the access priority information comprises frequency band priority information;
the processing module is used for determining a cell corresponding to the operator network information to be accessed; and the cell to be accessed is determined according to the access priority information.
8. The user terminal of claim 7, wherein the processing module is further configured to install a predetermined application;
the acquisition module is used for acquiring the access information stored in the application program.
9. The user terminal of claim 7, wherein the operator network information comprises Public Land Mobile Network (PLMN) information of a predetermined operator network.
10. The ue of claim 7, wherein the access priority information further includes network system priority information, and the processing module is configured to determine a cell to be accessed according to the network system priority information and the frequency band priority information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011264284.7A CN114501588A (en) | 2020-11-12 | 2020-11-12 | Cell access method and user terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011264284.7A CN114501588A (en) | 2020-11-12 | 2020-11-12 | Cell access method and user terminal |
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| CN114501588A true CN114501588A (en) | 2022-05-13 |
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| CN202011264284.7A Withdrawn CN114501588A (en) | 2020-11-12 | 2020-11-12 | Cell access method and user terminal |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104469897A (en) * | 2014-12-12 | 2015-03-25 | 工业和信息化部电信传输研究所 | Network priority search method for mobile terminal |
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| CN106817746A (en) * | 2015-11-30 | 2017-06-09 | 中兴通讯股份有限公司 | A kind of network search method and device |
| CN106973414A (en) * | 2016-01-14 | 2017-07-21 | 中兴通讯股份有限公司 | A kind of method and device of selection cell |
| CN107094305A (en) * | 2017-04-19 | 2017-08-25 | 广东欧珀移动通信有限公司 | A kind of cut-in method of wireless network, device and user terminal |
| CN110913458A (en) * | 2019-12-10 | 2020-03-24 | 重庆邮电大学 | Optimized network selection and cell selection method and user terminal |
-
2020
- 2020-11-12 CN CN202011264284.7A patent/CN114501588A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105592525A (en) * | 2014-10-24 | 2016-05-18 | 中国移动通信集团公司 | Method, apparatus, and system for starting-up network searching by terminal equipment in roaming scene |
| CN104469897A (en) * | 2014-12-12 | 2015-03-25 | 工业和信息化部电信传输研究所 | Network priority search method for mobile terminal |
| CN106817746A (en) * | 2015-11-30 | 2017-06-09 | 中兴通讯股份有限公司 | A kind of network search method and device |
| CN106973414A (en) * | 2016-01-14 | 2017-07-21 | 中兴通讯股份有限公司 | A kind of method and device of selection cell |
| CN107094305A (en) * | 2017-04-19 | 2017-08-25 | 广东欧珀移动通信有限公司 | A kind of cut-in method of wireless network, device and user terminal |
| CN110913458A (en) * | 2019-12-10 | 2020-03-24 | 重庆邮电大学 | Optimized network selection and cell selection method and user terminal |
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