CN106792623B - Network searching access method of mobile terminal and mobile terminal - Google Patents
Network searching access method of mobile terminal and mobile terminal Download PDFInfo
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- CN106792623B CN106792623B CN201611104465.7A CN201611104465A CN106792623B CN 106792623 B CN106792623 B CN 106792623B CN 201611104465 A CN201611104465 A CN 201611104465A CN 106792623 B CN106792623 B CN 106792623B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
- H04W60/04—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration using triggered events
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/183—Processing at user equipment or user record carrier
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Abstract
The embodiment of the invention discloses a network searching access method of a mobile terminal and the mobile terminal, wherein the method comprises the following steps: determining the signal strength of each communication frequency band supported by the mobile terminal; screening out communication frequency bands with signal intensity greater than or equal to a preset signal intensity threshold value from the communication frequency bands to obtain a first communication frequency band set; demodulating each communication frequency band in the first communication frequency band set respectively to obtain a first signal system set; determining a communication frequency band set to be accessed and a signal system set to be accessed according to the first communication frequency band set and the first signal system set; and sending a registration access request to a network side according to the to-be-accessed communication frequency band set and the to-be-accessed signal system set. By adopting the technical scheme provided by the embodiment of the invention, only the local communication frequency band with certain signal strength is searched and registered for access, so that the searching and the registration for access to the communication frequency band with weaker signal strength are reduced, and the network searching access time is saved.
Description
Technical Field
The present invention relates to the field of wireless communication technologies, and in particular, to a network searching access method for a mobile terminal and a mobile terminal.
Background
With the rapid development of mobile communication services, operators build and invest more and more various networks, so that multiple network modes (hereinafter, referred to as multiple modes) and multiple wireless communication frequency bands (hereinafter, referred to as multiple frequencies) coexist in the existing public land mobile network. In the mobile communication service, the mobile terminal needs to search and register the public land mobile network first, and then access the public land mobile network after finding a proper mode and frequency band, and then can enjoy the service provided by the operator.
Fig. 1 is a schematic flow chart illustrating a network searching access method of a mobile terminal in the prior art, as shown in fig. 1, when the mobile terminal searches a network, first read a pre-specified PRL (Preferred Roaming List) in a SIM (Subscriber Identity Module) card, and then traverse and search and register all communication bands in all network modes according to a mode level (4G- >3G- >2G) from high to low according to a network mode and a communication band supported by the PRL. Specifically, traversal search registration is performed on the communication frequency band in the 4G mode, after the search registration of the communication frequency band in the 4G mode is completed, traversal search registration is performed on the communication frequency band in the 3G mode, after the search registration of the communication frequency band in the 3G mode is completed, traversal search registration is performed on the communication frequency band in the 2G mode, and therefore search registration of all the communication frequency bands in all the network modes is completed. The network side determines a network mode and a corresponding communication frequency range allowing the mobile terminal to access according to a received registration request of the mobile terminal and comprehensively considering information such as user authentication, legality and signal strength.
However, in general, the number of communication bands supported by the SIM card is large, and in the prior art, it is necessary to search and register each communication band supported by the SIM card, which takes too long time. Especially for a mobile terminal supporting multiple SIM cards, the steps in fig. 1 need to be sequentially repeated in a serial processing manner to complete the network searching access of each SIM card, which consumes too much time and affects user experience.
Disclosure of Invention
The embodiment of the invention provides a network searching access method of a mobile terminal and the mobile terminal, which aim to solve the problem that the network searching access time of the mobile terminal is too long in the prior art.
In a first aspect, an embodiment of the present invention provides a network searching access method for a mobile terminal, including: respectively searching local network signals of each communication frequency band supported by a mobile terminal, and determining the signal intensity of each communication frequency band supported by the mobile terminal; screening out communication frequency bands with signal intensity greater than or equal to a preset signal intensity threshold value from all communication frequency bands supported by the mobile terminal to obtain a first communication frequency band set; respectively demodulating local network signals of each communication frequency band in the first communication frequency band set to obtain a first signal system set matched with the first communication frequency band set; determining a communication frequency band set to be accessed and a signal system set to be accessed which are matched according to the first communication frequency band set and the first signal system set; and sending a registration access request to a network side according to the communication frequency band and the signal system in the matched communication frequency band set to be accessed and signal system set to be accessed.
In a second aspect, an embodiment of the present invention provides a mobile terminal, which includes a processor and a memory for storing processor-executable instructions, wherein the processor is configured to perform part or all of the method described in the first aspect.
If a mobile terminal wants to register an access network in a certain communication frequency band, it must ensure that the local signal strength of the communication frequency band meets a certain requirement. In the embodiment of the invention, only the local communication frequency band with certain signal strength is searched and registered for access, and compared with a traversing network searching access mode, the searching and registering access of the communication frequency band with weak signal strength is reduced, and the network searching access time is saved.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic flow chart of a network searching access method of a mobile terminal in the prior art;
fig. 2 is a schematic view of a scenario provided by an embodiment of the present invention;
fig. 3 is a schematic diagram of a communication frequency band and a signal system according to an embodiment of the present invention;
fig. 4 is a schematic flowchart of a network searching access method of a mobile terminal according to an embodiment of the present invention;
fig. 5 is a schematic flowchart of another network searching access method of a mobile terminal according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 2 is a schematic view of a scenario provided in an embodiment of the present invention, where the scenario includes a mobile terminal 201, and the mobile terminal 201 is provided with two SIM cards, that is, an SIM card 1 and an SIM card 2. It should be noted that fig. 2 is only a schematic view of a scenario disclosed in the present invention, and specific types, numbers, and positions and relative relationships between the mobile terminal 201 and the SIM card in the diagram are not limited to the specific form disclosed in fig. 2, for example, the mobile terminal 201 may be a mobile phone, a PDA, a tablet computer, a smart watch, etc. of a user; the number of the SIM cards may be 1 or more than two, and the like, and those skilled in the art may make corresponding selections according to actual needs, which is not limited in the present invention.
Fig. 3 is a schematic diagram of a communication frequency band and a signal format provided in an embodiment of the present invention, and in the embodiment of the present invention, a corresponding technical solution is described by taking the communication frequency band and the signal format in fig. 3 as an example. Table 1 is a communication frequency band supported by the mobile terminal, and table 3 is a signal system pre-established in the SIM card 1 and the SIM card 2. The SIM card is a subscriber identity module that is made by an operator for a user, in which communication frequency bands and signal formats supported by the operator are stored, and the communication frequency bands stored in the SIM card 1 and the SIM card 2 in table 3 are the same as those in table 1, and for simplicity of illustration, the communication frequency bands supported by the SIM card are not shown in table 3, but it should be understood that the signal formats in table 3 are signal formats in corresponding communication frequency bands. For example, the second row of signal formats 3G-WCDMA and 4G-LTE in table 3 are the signal formats of the SIM card 1 and the SIM card 2 in the communication Band1 supported by the SIM card 1 respectively.
In the prior art, after each time of powering on or losing a network, the mobile terminal needs to traverse all communication frequency bands and signal systems corresponding to the SIM card 1 and the SIM card 2 in table 3 according to the mode in fig. 1. For example, for the SIM card 1, a registration access request is first initiated to the network side in the communication Band1 according to the signal system 3G-WCDMA, and then a registration access request is initiated to the network side in the communication Band2 according to the signal system 2G-GSM until the search registration of all the communication bands and signal systems of the SIM card 1 is completed, and then the registration access of the SIM card 2 is performed.
The mobile terminal initiates a registration access request to the network side under a certain selected communication frequency band and signal system, and there may be three situations.
In the first case, under a certain selected communication frequency band and signal system, the mobile terminal obtains a response of allowing registration access on the network side. The whole process is as follows: under a certain selected communication frequency band and signal system, sending user information of the mobile terminal to a network side; the network side compares the received user information with the content of the user data center (including user authentication, legality and the like), and sends information such as a signal system prefabricated by the user, a frequency band distributed to the mobile terminal for use, a channel and the like to the mobile terminal. After receiving the information, the mobile terminal obtains a response of allowing registration access of the network side, can access the communication frequency band and the signal system, and then sends the user information in the SIM card to the network side, so that network access is completed, and the whole time consumption of the process is marked as T1.
In the second case, under a certain selected communication frequency band and signal system, the mobile terminal obtains a response of refusing to register and access from the network side. The whole process is as follows: under a certain selected communication frequency band and signal system, sending user information of the mobile terminal to a network side; the network side compares the received user information with the content of the user data center (including user authentication, legality and the like), and the network sends a registration access refusal response to the mobile terminal if the mobile terminal is not in accordance with the access requirement. And after receiving the response of refusing to register and access, the terminal does not use the communication frequency band and the signal system for access any more, and the whole time consumption of the process is recorded as T2.
In the third case, the mobile terminal does not receive a network side response in a certain selected communication frequency band and signal system. The whole process is as follows: under a certain selected communication frequency band and signal system, sending user information of a terminal to a network side; no response is received from the network side for a defined time T3. The terminal considers that the communication frequency band is not available, and the access is no longer performed by using the communication frequency band, and the whole time consumption of the process is marked as T3.
The three situations are affected by the signal strength of the local (location of the mobile terminal) network, and if the signal strength of a certain communication frequency band is weak, the mobile terminal will not obtain the response of the network side after initiating the registration access request to the network side in the communication frequency band, that is, the third situation.
Table 2 in fig. 3 is a signal system of a local corresponding communication frequency band, where "no signal" means that the signal intensity in the local corresponding communication frequency band is less than a certain value. T3 time is consumed when the mobile terminal initiates a registration access request to the network side under the communication frequency band of 'no signal'; initiating a registration access request to the network side in the communication frequency band with a signal (other communication frequency bands except the communication frequency band without a signal in table 2), consuming time T1 if obtaining a registration access response allowed by the network side, and consuming time T2 if obtaining a registration access response refused by the network side.
In the embodiment shown in fig. 3, the mobile terminal supports 21 communication bands, wherein 5 communication bands have signals and 16 communication bands have no signals. The mobile terminal initiates a registration access request to the network side under 5 communication frequency bands with signals, and only under 1 communication frequency band, a registration access response allowed by the network side can be obtained, and under other 4 communication frequency bands, a registration access response refusing by the network side is obtained, wherein the time consumed in the stage is T1+ 4T 2; it takes 16 × T3 for the mobile terminal to send a registration access request to the network side in 16 non-signal communication bands. The mobile terminal coexists in two SIM cards, therefore adopt the access method of searching for the network in the prior art, the mobile terminal finishes the time that searches for the network and needs: 2 XT 1+2 (5-1). times.T 2+ 2X 16 XT 3. As can be seen from the above equation, a long time is wasted in the prior art in the communication frequency band where there is no signal locally.
In view of the foregoing problems, an embodiment of the present invention provides a network searching access method for a mobile terminal, which can be applied to the mobile terminal shown in fig. 2. Fig. 4 is a flowchart illustrating a network searching access method of a mobile terminal according to an embodiment of the present invention, and as shown in fig. 4, the method mainly includes the following steps.
Step S401: network signals of each communication frequency band supported by the mobile terminal in the local area are searched respectively, and the signal intensity of each communication frequency band supported by the mobile terminal is determined.
The mobile terminal is manufactured into a table 1 by a manufacturer before leaving a factory, the table 1 is stored in the mobile terminal, and the table 1 comprises all communication frequency bands which can be supported by the mobile terminal. The signal strength of the corresponding communication frequency band is different at different times and different geographic locations, so that the mobile terminal first determines the signal strength of each communication frequency band in table 1 before network searching access.
Step S402: and screening out the communication frequency bands with the signal intensity greater than or equal to a preset signal intensity threshold value from the communication frequency bands supported by the mobile terminal, and obtaining a first communication frequency band set.
In table 2, the communication frequency band corresponding to "no signal" is a communication frequency band whose signal intensity is smaller than a preset signal intensity threshold, and does not meet the network searching access requirement; the signal intensity of the 5 communication frequency bands of Band1, Band3, Band8, Band 34 and Band41 is greater than or equal to a preset signal intensity threshold value, so that the network searching access requirement is met, and the 5 communication frequency bands are added to the first communication frequency Band set.
Step S403: and demodulating local network signals of each communication frequency band in the first communication frequency band set respectively to obtain a first signal system set matched with the first communication frequency band set.
The signal strength of the communication frequency band is a concept of a physical layer, and if a mobile terminal needs to initiate a registration access request to a network side under the corresponding communication frequency band, a signal system under the corresponding communication frequency band needs to be obtained. Therefore, in the embodiment of the present invention, each communication Band in the first set of communication bands is demodulated, and signal systems in each communication Band are obtained, such as 4G-LTE corresponding to Band1, 2G-GSM corresponding to Band8, and the like in table 2. The signal systems in table 2 form a first signal system set matched with the first communication frequency band set, where matching means that the communication frequency bands in the first communication frequency band set and the signal systems in the first signal systems have a one-to-one correspondence relationship.
Step S404: and determining a matched communication frequency band set to be accessed and a signal system set to be accessed according to the first communication frequency band set and the first signal system set.
In an optional embodiment of the present invention, the first communication frequency band set and the first signal system set are respectively used as the communication frequency band set to be accessed and the signal system set to be accessed. The to-be-accessed communication frequency band set and the to-be-accessed signal system set comprise a communication frequency band and a signal system which are used for initiating network registration by the mobile terminal.
Step S405: and sending a registration access request to a network side according to the communication frequency band and the signal system in the matched communication frequency band set to be accessed and signal system set to be accessed.
For example, a registration access request is initiated to a network side according to a signal system 4G-LTE under a communication frequency Band 1; and initiating a registration access request and the like to the network side according to the signal system 4G-LTE under the communication frequency Band3, and traversing all the communication frequency bands and signal systems in the communication frequency Band set to be accessed and the signal system set to be accessed.
In the above embodiment, since the registration access request is initiated to the network side only in the communication frequency band where the signal exists, the time consumed for the search and registration access of the SIM cards 1 and2 is 2 × T1+ (5-2) × T2, which avoids the waste of time caused by the search and registration access to the communication frequency band with weak signal strength, and saves the network search access time.
In addition, if the mobile terminal wants to access the network successfully, except that the communication frequency band supported by the mobile terminal has a certain signal strength locally, the signal system of the communication frequency band locally should be the same as the signal system of the SIM card in the communication frequency band. For example, in the communication Band1, the local signal format is 4G-LTE, and the signal formats supported by the SIM card 1 and the SIM card 2 are 3G-WCDMA and 4G-LTE, respectively. That is to say, in the communication Band1, the local signal system is different from the signal system supported by the SIM card 1, and is the same as the signal system supported by the SIM card 2, and initiating a registration access request to the network side according to the signal system 4G-LTE in the communication Band may cause successful registration of the SIM card 2, but the SIM card 1 will not be successfully registered.
In order to avoid time waste caused by different local signal formats and signal formats supported by the SIM card, the embodiment of the present invention further provides another network searching access method for a mobile terminal. Fig. 5 is a schematic flow chart of a network searching access method of another mobile terminal according to an embodiment of the present invention, and as shown in fig. 5, the method mainly includes the following steps.
Step S501: network signals of each communication frequency band supported by the mobile terminal in the local area are searched respectively, and the signal intensity of each communication frequency band supported by the mobile terminal is determined.
Step S502: and screening out the communication frequency bands with the signal intensity greater than or equal to a preset signal intensity threshold value from the communication frequency bands supported by the mobile terminal, and obtaining a first communication frequency band set.
Step S503: and demodulating local network signals of each communication frequency band in the first communication frequency band set respectively to obtain a first signal system set matched with the first communication frequency band set.
Step S504: and reading a second communication frequency band set supported by an SIM card in the mobile terminal and a second signal system set matched with the second communication frequency band set.
The SIM card is a customer identification module which is made by an operator for a user, and communication frequency bands and signal systems supported by the operator are stored in the SIM card. For example, in the embodiment shown in fig. 3, the second communication frequency Band set supported by the SIM card 1 includes 21 communication frequency bands (the same as the communication frequency Band supported by the mobile terminal) such as Band1, Band2, Band3, …, and Band41, and the second signal format set supported by the SIM card 1 includes 21 signal formats such as 3G-WCDMA, 2G-GSM, 4G-LTE, …, and 4G-LTE, where the communication frequency bands in the second communication frequency Band set and the signal formats in the second signal format set have a one-to-one correspondence relationship.
In addition, the mobile terminal may support more than two SIM cards, and when the number of the SIM cards in the mobile terminal is two or more, the step S504 is: and respectively reading a second communication frequency band set supported by each SIM card in the mobile terminal and a second signal system set matched with the second communication frequency band set. For example, in the embodiment shown in fig. 3, the second set of communication frequency bands and the second set of signal formats of the SIM card 1 and the SIM card 2 are read, respectively.
Step S505: and screening out the same communication frequency band from the first communication frequency band set and the second communication frequency band set to obtain a communication frequency band set to be accessed.
The communication frequency band in the first communication frequency band set meets certain signal intensity locally, the communication frequency band in the second communication frequency band set is a communication frequency band supported by an SIM card, and both the communication frequency band and the communication frequency band are necessary conditions for network searching access of the mobile terminal.
In addition, when two or more SIM cards exist in the mobile terminal, the step S505 includes: and performing union processing on the second communication frequency band sets supported by all the SIM cards, and performing intersection processing on the union processing result and the first communication frequency band set to obtain the communication frequency band sets to be accessed of all the SIM cards. For example, in the embodiment shown in fig. 3, the second communication frequency Band sets supported by the SIM cards 1 and2 are subjected to union processing, and since the second communication frequency Band sets of the SIM cards 1 and2 are the same in the embodiment of the present invention and are 21 communication frequency bands such as Band1, Band2, Band3, Band …, Band41, and the like, the union processing result is { Band1, Band2, Band3, …, Band41}, and of course, the communication frequency bands supported by the SIM cards 1 and2 may also be different, which is not limited in this embodiment of the present invention. In the embodiment shown in fig. 3, the first set of bands is { Band1, Band3, Band8, Band 34, Band41}, and the union processing result is intersected with the first set of bands to obtain a set of bands to be accessed, which is { Band1, Band3, Band8, Band 34, Band41 }.
Step S506: and screening out the same signal system from the first signal system set and the second signal system set which are matched with the communication frequency band set to be accessed, and obtaining the signal system set to be accessed which is matched with the communication frequency band set to be accessed.
The first signal system set comprises signal systems of a local network, and the second signal system set comprises signal systems supported by the SIM card. After the communication frequency band meeting the registration access condition is determined in the above step, it is further determined whether the signal system of the local network in the corresponding communication frequency band is the same as the signal system supported by the SIM card, and the mobile terminal may successfully access the network only if the signal system of the local network is the same as the signal system supported by the SIM card.
In addition, when there are more than two SIM cards in the mobile terminal, the step S506 includes: and screening out the same signal system from the first signal system set and the second signal system set which are matched with the communication frequency band sets to be accessed of all the SIM cards to obtain the signal system sets to be accessed of all the SIM cards. For example, in the example shown in fig. 3, the signal systems in table 2 and table 3 are subjected to intersection processing, and the obtained set of signal systems to be accessed is shown in table 4, where for convenience of description, the communication frequency bands to be accessed that are matched with the signal systems to be accessed are also shown in table 4.
Step S507: and sending a registration access request to a network side according to the communication frequency band and the signal system in the matched communication frequency band set to be accessed and signal system set to be accessed.
For example, according to the communication frequency bands and the signal formats in table 4, a registration access request is first initiated to the network side according to the signal format 4G-LTE in the communication frequency Band1, and then the registration access request is initiated to the network side according to the signal format 4G-LTE in the communication frequency Band3 until all the communication frequency bands and the signal formats in table 4 are traversed.
In the process, the mobile terminal initiates a registration access request to the network side for 5 times in total, and because two SIM cards exist, the mobile terminal can receive registration access response allowed twice, and the rest three are registration access response refusal, so the total time consumed by the mobile terminal is 2 × T1+ (5-2) × T2, compared with the prior art, the network searching access time is greatly reduced, and the performance overhead of the mobile terminal is also saved.
In general, if a mobile terminal wants to obtain a response of allowing or rejecting registration access from a network side in a corresponding communication frequency band and signal system, the following conditions are satisfied: a. the mobile terminal supports the communication frequency band; b. the signal intensity of the communication frequency band at the local (the position where the mobile terminal is located) meets certain requirements; c. the signal system of the communication frequency band at the local is the same as the signal system of the SIM card at the communication frequency band. The embodiment of the invention firstly screens out the communication frequency band and the signal system which meet the conditions, and then initiates a registration access request to the network side according to the screened out communication frequency band and the signal system, thereby greatly reducing the network searching access time.
It should be noted that the above-mentioned embodiment is only one possible implementation manner shown in the present invention, and those skilled in the art can make corresponding modifications according to actual needs, and all such modifications should fall within the protection scope of the present invention without departing from the spirit of the present invention. For example, when the number of the SIM cards in the mobile terminal is two or more, the step S505 may further include: respectively screening out the same communication frequency band from a second communication frequency band set and the first communication frequency band set supported by each SIM card to obtain a communication frequency band set to be accessed of each SIM card; the step S506 may further include: respectively performing intersection processing on a first signal system set and a second signal system set which are matched with the communication frequency band set to be accessed of each SIM card to obtain a signal system set to be accessed of each SIM card; and performing union processing on the signal system sets to be accessed of the SIM cards to obtain the signal system sets to be accessed of all the SIM cards.
On the basis of the method embodiment, the invention also provides a mobile terminal embodiment, and the specific form of the mobile terminal can be a mobile phone or a tablet computer.
Fig. 6 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention, and as shown in fig. 6, the mobile terminal 600 may include: a processor 601, a memory 602, and a communication unit 603. The components communicate via one or more buses, and those skilled in the art will appreciate that the architecture of the servers shown in the figures is not limiting of the application, and may be a bus architecture, a star architecture, a combination of more or fewer components than those shown, or a different arrangement of components.
The communication unit 603 is configured to establish a communication channel, so that the storage device can communicate with other devices. Receiving the user data sent by other devices or sending the user data to other devices.
The processor 601, which is a control center of the storage device, connects various parts of the entire electronic device using various interfaces and lines, and executes various functions of the electronic device and/or processes data by running or executing software programs and/or modules stored in the memory 602 and calling data stored in the memory. The processor may be composed of an Integrated Circuit (IC), for example, a single packaged IC, or a plurality of packaged ICs connected with the same or different functions. For example, the processor 601 may include only a Central Processing Unit (CPU). In the embodiments of the present application, the CPU may be a single arithmetic core or may include multiple arithmetic cores.
The memory 602 is used for storing instructions executed by the processor 601, and the memory 602 may be implemented by any type of volatile or non-volatile storage device or combination thereof, 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 disk or optical disk.
The execution instructions in the memory 602, when executed by the processor 601, enable the mobile terminal 600 to perform some or all of the steps in the method embodiments described below.
In a specific implementation, the present application further provides a computer storage medium, where the computer storage medium may store a program, and the program may include some or all of the steps in the embodiments of the calling method provided in the present application when executed. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM) or a Random Access Memory (RAM).
Those skilled in the art will clearly understand that the techniques in the embodiments of the present application may be implemented by way of software plus a required general hardware platform. Based on such understanding, the technical solutions in the embodiments of the present application may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the embodiments or some parts of the embodiments of the present application.
The same and similar parts in the various embodiments in this specification may be referred to each other. Especially, for the embodiment of the mobile terminal, since it is basically similar to the embodiment of the method, the description is simple, and the relevant points can be referred to the description in the embodiment of the method.
The above-described embodiments of the present application do not limit the scope of the present application.
Claims (8)
1. A network searching access method of a mobile terminal is characterized by comprising the following steps:
respectively searching local network signals of each communication frequency band supported by a mobile terminal, and determining the signal intensity of each communication frequency band supported by the mobile terminal;
screening out communication frequency bands with signal intensity greater than or equal to a preset signal intensity threshold value from all communication frequency bands supported by the mobile terminal to obtain a first communication frequency band set;
respectively demodulating local network signals of each communication frequency band in the first communication frequency band set to obtain a first signal system set matched with the first communication frequency band set;
determining a communication frequency band set to be accessed and a signal system set to be accessed which are matched according to the first communication frequency band set and the first signal system set;
sending a registration access request to a network side according to the communication frequency band and the signal system in the matched communication frequency band set to be accessed and signal system set to be accessed; determining a matched communication frequency band set to be accessed and a signal system set to be accessed according to the first communication frequency band set and the first signal system set, wherein the method comprises the following steps:
reading a second communication frequency band set supported by an SIM card in the mobile terminal and a second signal system set matched with the second communication frequency band set;
screening out the same communication frequency band from the first communication frequency band set and the second communication frequency band set to obtain a communication frequency band set to be accessed;
and screening out the same signal system from the first signal system set and the second signal system set which are matched with the communication frequency band set to be accessed, and obtaining the signal system set to be accessed which is matched with the communication frequency band set to be accessed.
2. The method according to claim 1, wherein when the number of SIM cards in the mobile terminal is two or more, the reading the second communication frequency band supported by the SIM card in the mobile terminal and the second signal format matching the second communication frequency band comprises:
and respectively reading a second communication frequency band set supported by each SIM card in the mobile terminal and a second signal system set matched with the second communication frequency band set.
3. The method of claim 2, wherein the step of screening out the same communication frequency band from the first communication frequency band set and the second communication frequency band set to obtain a set of communication frequency bands to be accessed comprises:
combining the second communication frequency band sets supported by all the SIM cards;
and performing intersection processing on the union processing result and the first communication frequency band set to obtain the communication frequency band sets to be accessed of all the SIM cards.
4. The method according to claim 3, wherein the step of screening out the same signal format from a first signal format set and a second signal format set matched with the communication frequency band set to be accessed to obtain a signal format set to be accessed matched with the communication frequency band set to be accessed comprises:
and screening out the same signal system from the first signal system set and the second signal system set which are matched with the communication frequency band sets to be accessed of all the SIM cards to obtain the signal system sets to be accessed of all the SIM cards.
5. The method of claim 2, wherein the step of screening out the same communication frequency band from the first communication frequency band set and the second communication frequency band set to obtain a set of communication frequency bands to be accessed comprises:
and respectively screening out the same communication frequency band from the second communication frequency band set and the first communication frequency band set supported by each SIM card to obtain the communication frequency band set to be accessed of each SIM card.
6. The method according to claim 5, wherein the step of screening out the same signal format from a first signal format set and a second signal format set matched with the communication frequency band set to be accessed to obtain a signal format set to be accessed matched with the communication frequency band set to be accessed comprises:
respectively performing intersection processing on a first signal system set and a second signal system set which are matched with the communication frequency band set to be accessed of each SIM card to obtain a signal system set to be accessed of each SIM card;
and performing union processing on the signal system sets to be accessed of the SIM cards to obtain the signal system sets to be accessed of all the SIM cards.
7. The method of claim 1, wherein sending a registration access request to a network side according to the communication frequency band and the signal format in the matched set of communication frequency bands to be accessed and signal format to be accessed comprises:
determining a registration sequence of each signal system in the signal system set to be accessed according to each signal system mode level in the signal system set to be accessed;
and sending a registration access request to a network side according to the communication frequency band and the signal system in the matched communication frequency band set to be accessed and signal system set to be accessed according to the registration sequence.
8. A mobile terminal, comprising:
a processor and a memory for storing processor-executable instructions;
wherein the processor is configured to perform the method of any one of claims 1-7.
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| CN111246542A (en) * | 2020-01-19 | 2020-06-05 | 友刻(北京)通讯技术有限公司 | Method and apparatus for allocating channels in a multi-channel wireless communication system |
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