CN108112055A - APN acquisition methods, mobile terminal, network-side and storage medium - Google Patents
APN acquisition methods, mobile terminal, network-side and storage medium Download PDFInfo
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- CN108112055A CN108112055A CN201711379835.2A CN201711379835A CN108112055A CN 108112055 A CN108112055 A CN 108112055A CN 201711379835 A CN201711379835 A CN 201711379835A CN 108112055 A CN108112055 A CN 108112055A
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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
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
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Abstract
The invention discloses a kind of APN acquisition methods, mobile terminal, network-side and storage medium, the APN acquisition methods include：After the startup of communication of mobile terminal module, cell searching is carried out, forms search result；Target cell is determined in search result；The Physical Cell Identifier of the Target cell is obtained, the system information of the Target cell is obtained according to the Physical Cell Identifier；From the system information, the APN parameters of the Target cell ownership place are obtained.Pass through the present invention, the corresponding table of roaming location PLMN and APN need not be pre-established, without user's manual configuration APN parameters, the APN parameters that current network home ground to be accessed is obtained from network are realized so that user is more convenient, efficient using mobile terminal connection network.
Description
Technical field
The present invention relates to field of communication technology more particularly to APN acquisition methods, mobile terminal, network-side and storage mediums.
Background technology
In existing mobile communications network, surfing Internet with cell phone needs to complete PS (Packet Switch) domain over the mobile network
Registration or routing update, then establish PDP (Packet Data Protocol packet data protocols) connections.Establish PDP connections
Needing APN parameters, (APN refers to a kind of network access technique, is the parameter that must be configured when passing through surfing Internet with cell phone, it is determined
Mobile phone accesses network by which kind of access way), the APN parameters of ownership place are stored on ownership place, the mobile phone card of mobile phone,
But if other regional networks are roamed into, it needs to be modified APN parameters.At present, the mode being modified to APN parameters
There are mainly two types of：
(1) establish roaming location PLMN (Public Land Mobile Network, public land mobile network) with
APN corresponding tables obtain APN by tabling look-up.This mode, early period will do substantial amounts of work, and roaming network first is more, set
It is cumbersome；Secondly for non-customized mobile phone, the roaming of the user's ownership place operator and which networks sign can not be understood and assisted
View can not set the correspondence of PLMN and APN.
(2) user's manual configuration APN.This mode passes through user's manual configuration, it has not been convenient to.Moreover, user have to be understood that
The APN of roaming place if user is ignorant of roaming place language, will accomplish that this point is cumbersome.
The content of the invention
It is a primary object of the present invention to provide a kind of APN acquisition methods, mobile terminal, network-side and storage medium, purport
Solving the technical issues of not convenient enough for the accuracy of mobile phone APN parameters in the prior art.
To achieve the above object, the present invention provides a kind of APN acquisition methods, and the APN acquisition methods are applied to mobile whole
End, the APN acquisition methods include：
After the startup of communication of mobile terminal module, cell searching is carried out, forms search result；
Target cell is determined in search result；
The Physical Cell Identifier of the Target cell is obtained, the Target cell is obtained according to the Physical Cell Identifier
System information；
From the system information, the APN parameters of the Target cell ownership place are obtained.
Optionally, it is described to determine that Target cell includes in search result：
In the cell signal included in search result, according to cell signal strength by strong to weak order, successively to cell
Signal is decoded, if can successfully decoded, it is determined that the corresponding cell of the cell signal is Target cell.
Optionally, the Physical Cell Identifier for obtaining the Target cell obtains institute according to the Physical Cell Identifier
Stating the system information of Target cell includes：
According to the main synchronizing sequence and secondary synchronization sequences of the Target cell, determine that the physical area of the Target cell is marked
Know；
The system information of the Target cell is obtained in Physical Broadcast Channel according to the Physical Cell Identifier.
Optionally, described from the system information, obtaining the APN parameters of the Target cell ownership place includes：
The system information is decoded, mobile terminal is obtained and accesses information and institute necessary to the Target cell
State the APN parameters of Target cell ownership place.
Optionally, it is described that the system information is decoded, it is required to obtain the mobile terminal access Target cell institute
Information and the Target cell ownership place APN parameters after include：
Information necessary to accessing the Target cell based on the mobile terminal completes network registry；
Based on the APN parameters of the Target cell ownership place, establish PDP with network and be connected.
In addition, to achieve the above object, the present invention also provides a kind of APN acquisition methods, the APN acquisition methods are applied to
Network-side, the APN acquisition methods include：
The system information of each cell is generated, the system information includes mobile terminal and accesses necessary to each cell
The APN parameters of information and each cell ownership place；
The system information of each cell is broadcasted in Physical Broadcast Channel.
In addition, to achieve the above object, the present invention also provides a kind of mobile terminal, the mobile terminal includes：Memory,
The APN that processor and being stored in can be run on the memory and on the processor obtains program, and the APN obtains program
The step of APN acquisition methods as described above being realized when being performed by the processor.
In addition, to achieve the above object, the present invention also provides a kind of network-side, the network-side includes：Memory, processing
The APN that device and being stored in can be run on the memory and on the processor obtains program, and the APN obtains program by institute
State the step of realizing APN acquisition methods as described above when processor performs.
In addition, to achieve the above object, the present invention also provides a kind of storage medium, APN is stored on the storage medium
Program is obtained, the APN obtains the step of realizing APN acquisition methods as described above when program is executed by processor.
In the present invention, after the startup of communication of mobile terminal module, cell searching is carried out, forms search result, is tied in search
Target cell to be accessed is determined in fruit, the Physical Cell Identifier of Target cell is further obtained, and is marked according to the physical area
Know the system information for obtaining Target cell, the APN parameters of Target cell ownership place are extracted from system information.By the present invention,
Roaming location PLMN (Public Land Mobile Network, public land mobile network) and APN need not be pre-established
Corresponding table, without user's manual configuration APN parameters, realize and current network home ground to be accessed obtained from network
APN parameters so that user is more convenient, efficient using mobile terminal connection network.
Description of the drawings
Fig. 1 is the terminal structure schematic diagram for the hardware running environment that the embodiment of the present invention is related to；
Fig. 2 is the flow diagram of APN acquisition methods first embodiment of the present invention；
Fig. 3 is 5G frame structure schematic diagrames in one embodiment of APN acquisition methods of the present invention；
Fig. 4 is the flow diagram of APN acquisition methods second embodiment of the present invention；
Fig. 5 is the schematic diagram of a scenario of one embodiment of APN acquisition methods of the present invention；
Fig. 6 is the frame structure schematic diagram of synchronizing signal block in one embodiment of APN acquisition methods of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
In subsequent description, using for representing that the suffix of such as " module ", " component " or " unit " of element is only
Be conducive to the explanation of the present invention, itself there is no a specific meaning.Therefore, " module ", " component " or " unit " can mix
Ground uses.
In the embodiment of the present invention, APN acquisition methods are applied to mobile terminal, which can come real in a variety of manners
It applies.For example, mobile terminal involved in the present invention can include such as mobile phone, tablet computer, laptop, palm PC,
The mobile terminals such as personal digital assistant (Personal Digital Assistant, PDA).
It will be illustrated in subsequent descriptions by taking tablet computer as an example, it will be appreciated by those skilled in the art that except special
For moving outside the element of purpose, construction according to the embodiment of the present invention can also apply to other types of movement eventually
End.
Referring to Fig. 1, the hardware architecture diagram of Fig. 1 mobile terminals of each embodiment to realize the present invention, the terminal
100 can include：RF (Radio Frequency, radio frequency) unit 101, WiFi module 102, audio output unit 103, A/V
(audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, storage
The components such as device 109, processor 110 and power supply 111.It will be understood by those skilled in the art that the terminal structure shown in Fig. 1
The restriction to mobile terminal is not formed, mobile terminal can include more some than illustrating more or fewer components or combination
Component or different components arrangement.
The all parts of mobile terminal are specifically introduced with reference to Fig. 1：
Radio frequency unit 101 can be used for receiving and sending messages or communication process in, signal sends and receivees, specifically, by base station
Downlink information receive after, handled to processor 110；In addition, by the data sending of uplink to base station.In general, radio frequency unit 101
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier, duplexer etc..In addition, it penetrates
Frequency unit 101 can also be communicated by wireless communication with network and other equipment.Above-mentioned wireless communication can use any communication
Standard or agreement include but not limited to GSM (Global System of Mobile communication, global system for mobile telecommunications
System), GPRS (General Packet Radio Service, general packet radio service), CDMA2000 (Code
Division Multiple Access 2000, CDMA 2000), WCDMA (Wideband Code Division
Multiple Access, wideband code division multiple access), TD-SCDMA (Time Division-Synchronous Code
Division Multiple Access, TD SDMA), FDD-LTE (Frequency Division
Duplexing-Long Term Evolution, frequency division duplex Long Term Evolution) and TDD-LTE (Time Division
Duplexing-Long Term Evolution, time division duplex Long Term Evolution) etc..
WiFi belongs to short range wireless transmission technology, and mobile terminal can help user to receive and dispatch electricity by WiFi module 102
Sub- mail, browsing webpage and access streaming video etc., it has provided wireless broadband internet to the user and has accessed.Although Fig. 1 shows
Go out WiFi module 102, but it is understood that, and must be configured into for mobile terminal is not belonging to, it completely can be according to need
It to be omitted in the scope of essence for not changing invention.
Audio output unit 103 can be in call signal reception pattern, call mode, record mould in mobile terminal 100
Formula, speech recognition mode, broadcast reception mode when under isotypes, by radio frequency unit 101 or WiFi module 102 it is receiving or
The voice data stored in memory 109 is converted into audio signal and exports as sound.Moreover, audio output unit 103
The relevant audio output of specific function performed with terminal 100 can also be provided (for example, call signal receives sound, message connects
Quiet down sound etc.).Audio output unit 103 can include loud speaker, buzzer etc..
A/V input units 104 are used to receive audio or video signal.A/V input units 104 can include graphics processor
(Graphics Processing Unit, GPU) 1041 and microphone 1042, graphics processor 1041 is in video acquisition mode
Or the static images or the image data of video obtained in image capture mode by image capture apparatus (such as camera) carry out
Reason.Treated, and picture frame may be displayed on display unit 106.Through graphics processor 1041, treated that picture frame can be deposited
Storage is sent in memory 109 (or other storage mediums) or via radio frequency unit 101 or WiFi module 102.Mike
Wind 1042 can connect in telephone calling model, logging mode, speech recognition mode etc. operational mode via microphone 1042
Quiet down sound (voice data), and can be voice data by such acoustic processing.Audio that treated (voice) data can
To be converted to the form output that mobile communication base station can be sent to via radio frequency unit 101 in the case of telephone calling model.
Microphone 1042 can implement various types of noises elimination (or inhibition) algorithms and send and receive sound to eliminate (or inhibition)
The noise generated during frequency signal or interference.
Mobile terminal 100 further includes at least one sensor 105, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein, ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 1061, and proximity sensor can close when mobile terminal 100 is moved in one's ear
Display panel 1061 and/or backlight.As one kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, size and the direction of gravity, the application available for identification terminal posture are can detect that when static
(such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.；
The fingerprint sensor that can also configure as terminal, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer,
The other sensors such as hygrometer, thermometer, infrared ray sensor, details are not described herein.
Display unit 106 is used to show by information input by user or be supplied to the information of user.Display unit 106 can wrap
Display panel 1061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode may be employed
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 1061.
User input unit 107 can be used for the number for receiving input or character information and generate to set with the user of terminal
It puts and the input of key signals that function control is related.Specifically, user input unit 107 may include touch panel 1071 and its
His input equipment 1072.Touch panel 1071, also referred to as touch-screen collect user on it or neighbouring touch operation (are compared
Such as user is using finger, any suitable object of stylus or attachment on touch panel 1071 or near touch panel 1071
Operation), and corresponding attachment device is driven according to preset formula.Touch panel 1071 may include touch detecting apparatus
With two parts of touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect what touch operation was brought
Signal transmits a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and it is converted
Into contact coordinate, then processor 110 is given, and the order that processor 110 is sent can be received and performed.Furthermore, it is possible to it adopts
Touch panel 1071 is realized with polytypes such as resistance-type, condenser type, infrared ray and surface acoustic waves.Except touch panel
1071, user input unit 107 can also include other input equipments 1072.Specifically, other input equipments 1072 can wrap
It includes but is not limited to physical keyboard, in function key (such as volume control button, switch key etc.), trace ball, mouse, operation lever etc.
One or more, do not limit herein specifically.
Further, touch panel 1071 can cover display panel 1061, when touch panel 1071 detect on it or
After neighbouring touch operation, processor 110 is sent to determine the type of touch event, is followed by subsequent processing device 110 according to touch thing
The type of part provides corresponding visual output on display panel 1061.Although in Fig. 1, touch panel 1071 and display panel
1061 be the component independent as two to realize the function that outputs and inputs of mobile terminal, but in certain embodiments, it can
The function that outputs and inputs of mobile terminal is realized so that touch panel 1071 and display panel 1061 is integrated, is not done herein specifically
It limits.
Interface unit 108 be used as at least one external device (ED) be connected with mobile terminal 100 can by interface.For example,
External device (ED) can include wired or wireless head-band earphone port, external power supply (or battery charger) port, wired or nothing
Line data port, memory card port, the port for device of the connection with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Interface unit 108 can be used for receiving the input from external device (ED) (for example, number
It is believed that breath, electric power etc.) and the input received is transferred to one or more elements in mobile terminal 100 or can be with
For transmitting data between mobile terminal 100 and external device (ED).
Memory 109 can be used for storage software program and various data.Memory 109 can mainly include storing program area
And storage data field, wherein, storing program area can storage program area, application program (such as the sound needed at least one function
Sound playing function, image player function etc.) etc.；Storage data field can store according to mobile phone use created data (such as
Voice data, phone directory etc.) etc..In addition, memory 109 can include high-speed random access memory, can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 110 is the control centre of mobile terminal, utilizes each of various interfaces and the entire mobile terminal of connection
A part is stored in storage by running or performing the software program being stored in memory 109 and/or module and call
Data in device 109 perform the various functions of mobile terminal and processing data, whole so as to be carried out to main screen page display terminal
Monitoring.Processor 110 may include one or more processing units；Preferably, processor 110 can integrate application processor and modulation
Demodulation processor, wherein, the main processing operation system of application processor, user interface and application program etc., modulation /demodulation processing
Device mainly handles wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 110.
Mobile terminal 100 can also be included to the power supply 111 (such as battery) of all parts power supply, it is preferred that power supply 111
Can be logically contiguous by power-supply management system and processor 110, so as to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
Although Fig. 1 is not shown, mobile terminal 100 can also be including bluetooth module etc., and details are not described herein.
Based on above-mentioned mobile terminal hardware configuration, each embodiment of APN acquisition methods of the present invention is proposed.
With reference to Fig. 2, Fig. 2 is the flow diagram of APN acquisition methods first embodiment of the present invention.
In one embodiment, APN acquisition methods are applied to mobile terminal, and APN acquisition methods include：
Step S10 after the startup of communication of mobile terminal module, carries out cell searching, forms search result；
In the present embodiment, cell, also referred to as cellular cell refer in cell mobile communication systems, one of base station
Or the region that a part (fan anteena) for base station is covered, mobile terminal can be reliable by wireless channel in this region
Ground communicates with base station.
It, can be certainly after communication of mobile terminal module starts, such as after starting up or after cancellation offline mode in the present embodiment
The dynamic action for being attached communication network.It is to carry out cell searching first, it, must after starting up of terminal in mobile communication system application
A suitable cell (the prominent cell such as measured from radio frequency connector end) must be searched as early as possible, it is then small with this
Area reaches that time slot is synchronous in frequency, could obtain the details of this cell.Terminal ability only after cell is logged on to
Use the service of network.Usually log on to the process of suitable cell and be defined as initial cell search being searched from start
(initial cell search) process, abbreviation cell initial search.It is synchronously a committed step in cell initial search, refers to
From start to the process for reaching time synchronization and Frequency Synchronization with cell.
Step S20 determines Target cell in search result；
In the present embodiment, mobile terminal after powering, when carrying out cell searching, may receive the letter of multiple cells
Number, first, cell signal is arranged to weak order by strong according to cell signal, then according to the order of arrangement, successively
Cell signal is decoded, using the cell of successfully decoded as Target cell.
Step S30 obtains the Physical Cell Identifier of the Target cell, and the mesh is obtained according to the Physical Cell Identifier
Mark the system information of cell；
In the present embodiment, the cell signal of Target cell is successfully decoded, has obtained the details of Target cell.It moves
PSS that dynamic terminal includes in the details using obtained Target cell (Primary Synchronization Signal,
Primary synchronization signal) and both SSS (Secondary Synchronization Signal, secondary synchronization signal) be combined to determine
Specific cell ID determines the Physical Cell Identifier (PCI full name Physical Cell Identifier) of cell.Pass through object
Cell ID is managed, determines start bit of the data frame of the system information comprising Target cell in PBCH (Physical Broadcast Channel)
It puts, so as to obtain this data frame in system broadcasts, that is, gets the system information of Target cell.For example, mobile terminal is sharp
With PSS and SSS, down-going synchronous process is completed, physical-layer cell ID and slot synchronization are obtained by PSS；CP is obtained by SSS
(Cyclic Prefix, cyclic prefix) length, physical-layer cell group ID, frame synchronization, then by passing through DL RS
(Reference Signal, reference signal) further realizes time, Frequency Synchronization, channel estimation, so that it is determined that including target
The data frame of the system information of cell is in PBCH (Physical Broadcasting Channel, Physical Broadcast Channel)
Initial position so as to obtain this data frame in system broadcasts, that is, gets the system information of Target cell.
Step S40 from the system information, obtains the APN parameters of the Target cell ownership place.
In the prior art, after mobile terminal-opening starts, the action of communication network can be attached automatically.On mobile terminal
Net needs to complete network registry over the mobile network, such as ps domain registration or routing update (attach or RAU), then establishes
PDP (Packet Data Protocol packet data protocols) connections.Establishing PDP connections needs to set APN parameters that (APN refers to one
Kind network access technique, is the parameter that must be configured when passing through mobile terminal Internet access, it determines which mobile terminal passes through
Access way is planted to access network), the APN parameters of ownership place are stored on ownership place, the mobile phone card of mobile terminal, can be passed through
This preset APN parameter is established PDP with mobile network and is connected.But it when the ownership place change of mobile network, such as roams into
Other regional networks then need accordingly to be modified APN parameters.For example, establish roaming location PLMN (Public
Land Mobile Network, public land mobile network) and APN corresponding tables, obtain APN by tabling look-up；Or user
Manual configuration APN.
In the present embodiment, except information necessary to accessing the Target cell comprising mobile terminal in system information, for example,
Cycle information, System Frame Number that timing information, synchronous signal impulse in downlink system bandwidth, radio frame are sent etc., is also wrapped
Include the APN parameters of Target cell ownership place.Mobile terminal is by decoding system information, and obtaining mobile terminal, to access the target small
The APN parameters of information necessary to area and Target cell ownership place.Mobile terminal is by accessing necessary to the Target cell
Information completes network registry, such as ps domain registration or routing update (TAU/attach/RAU), after network registry success, further
PDP connection requests are sent to network (i.e. the corresponding mobile network of Target cell), are returned in PDP connection requests using the Target cell
The APN parameters in possession.
In the present embodiment, except information necessary to accessing the Target cell comprising mobile terminal further includes in system information
APN parameters of Target cell ownership place, and in current 2/3/4G network systems, the Target cell that mobile terminal receives
It is not include Target cell APN parameters in system information, since 2/3/4G network standards have formulated completion, changes standard ratio
It is more difficult.And 5G standards are in formulation, therefore, the present embodiment APN acquisition methods can be applied in 5G network systems.5G nets
Network has flexible self-contained wave spacing, because 5G will support more application scenarios, wherein, the reliable low time delay of superelevation (URLLC)
It is the key service of following 5G, it is necessary to than LTE (Long Term Evolution, Long Term Evolution) the shorter frame structure of time slot.5G
A big new feature be multiple parameters collection (Numerology：Including subcarrier spacing, symbol lengths, CP length etc.), it can mix
It closes and uses simultaneously.Numerology is by subcarrier spacing (subcarrier spacing) and cyclic prefix (cyclic
Prefix) define.In LTE/LTE-A, subcarrier spacing is fixed 15kHz, the most base that 5G NR (New Radio) are defined
This subcarrier spacing is also 15kHz, but can be flexibly expansible.It is so-called can flexible expansion, i.e. the son of 5G NR (New Radio)
Carrier wave interval is set to 15* (2^m) kHz, m ∈ { -2,0,1 ..., 5 }, that is to say, that subcarrier spacing can be set to 3.75kHz,
7.5kHz、15kHz、30kHz、60kHz、120kHz......
With reference to Fig. 3, Fig. 3 is 5G frame structure schematic diagrames in one embodiment of APN acquisition methods of the present invention.As shown in figure 3,5G
Identical with LTE in signal frame, the length of radio frames and subframe is fixed, so as to allow preferably to keep coexisting between LTE and NR.This
The fixed structure of sample, it is synchronous with frame structure beneficial to time slot under the common deployment modes of LTE and NR, simplify cell searching and frequency is surveyed
Amount.Unlike, 5G NR define flexible sub- framework, and time slot and character length can flexibly be defined according to subcarrier spacing.Cause
This, can add the APN parameters of each cell ownership place in sub- framework.So that mobile terminal is in the system information received
The middle APN parameters for obtaining current cell ownership place to be added.
In the present embodiment, after the startup of communication of mobile terminal module, cell searching is carried out, is determined in search result waiting
The Target cell entered further obtains the Physical Cell Identifier of Target cell, and small according to Physical Cell Identifier acquisition target
The system information in area extracts the APN parameters of Target cell ownership place from system information.Through this embodiment, without building in advance
Vertical roaming location PLMN (Public Land Mobile Network, public land mobile network) and the corresponding table of APN,
Without user's manual configuration APN parameters, the APN parameters that current network home ground to be accessed is obtained from network are realized so that
User is more convenient, efficient using mobile terminal connection network.
Further, in one embodiment of application display method of the present invention, step S20 includes：
In the cell signal included in search result, according to cell signal strength by strong to weak order, successively to cell
Signal is decoded, if can successfully decoded, it is determined that the corresponding cell of the cell signal is Target cell.
In the present embodiment, mobile terminal after powering, when carrying out cell searching, may receive the letter of multiple cells
Number, first, cell signal is arranged to weak order by strong according to cell signal, then according to the order of arrangement, successively
Cell signal is decoded, using the cell of successfully decoded as Target cell.
In the present embodiment, for example, the signal to the cell received, be ranked sequentially according to by strong to weak, be followed successively by A,
B, C is first decoded signal A, if can be decoded to signal A, using the corresponding cells of signal A as Target cell,
If cannot, signal B is decoded, if can be decoded to signal B, using the corresponding cells of signal B as Target cell,
And so on.Through this embodiment, the signal to the cell received is ranked sequentially according to by strong to weak, then according to row
The order of row, is successively decoded cell signal, using the cell of successfully decoded as Target cell, ensure that greatest extent logical
Believe quality.
Further, in one embodiment of application display method of the present invention, step S30 includes：
According to the main synchronizing sequence and secondary synchronization sequences of the Target cell, determine that the physical area of the Target cell is marked
Know；
The system information of the Target cell is obtained in Physical Broadcast Channel according to the Physical Cell Identifier.
In the present embodiment, the cell signal of Target cell is successfully decoded, has obtained the details of Target cell.It moves
PSS that dynamic terminal includes in the details using obtained Target cell (Primary Synchronization Signal,
Primary synchronization signal) and both SSS (Secondary Synchronization Signal, secondary synchronization signal) be combined to determine
Specific cell ID determines the Physical Cell Identifier (PCI full name Physical Cell Identifier) of cell.Pass through object
Cell ID is managed, determines start bit of the data frame of the system information comprising Target cell in PBCH (Physical Broadcast Channel)
It puts, so as to obtain this data frame in system broadcasts, that is, gets the system information of Target cell.For example, mobile terminal is sharp
With PSS and SSS, down-going synchronous process is completed, physical-layer cell ID and slot synchronization are obtained by PSS；CP is obtained by SSS
(Cyclic Prefix, cyclic prefix) length, physical-layer cell group ID, frame synchronization, then by passing through DL RS
(Reference Signal, reference signal) further realizes time, Frequency Synchronization, channel estimation, so that it is determined that including target
The data frame of the system information of cell is in PBCH (Physical Broadcasting Channel, Physical Broadcast Channel)
Initial position so as to obtain this data frame in system broadcasts, that is, gets the system information of Target cell.
In the present embodiment, according to the PSS and SSS included in cell signal, the Physical Cell Identifier of Target cell is determined, from
And the system information of the Target cell can be obtained from PBCH according to the Physical Cell Identifier.
Further, in one embodiment of application display method of the present invention, step S40 includes：
Step S50 is decoded the system information, obtains mobile terminal and accesses letter necessary to the Target cell
The APN parameters of breath and the Target cell ownership place.
With reference to Fig. 4, Fig. 4 is the flow diagram of application display method second embodiment of the present invention.In the present embodiment, system
Except information necessary to accessing the Target cell comprising mobile terminal in information, for example, in downlink system bandwidth, radio frame
Timing information, synchronous signal impulse cycle information, the System Frame Number etc. that send, further include the APN ginsengs of Target cell ownership place
Number.Mobile terminal obtains information and target necessary to mobile terminal accesses the Target cell by being decoded to system information
The APN parameters of cell ownership place.Mobile terminal completes network registry, such as PS by information necessary to accessing the Target cell
Domain is registered or routing update (TAU/attach/RAU), and after network registry success, further to network, (i.e. Target cell is corresponding
Mobile network) PDP connection requests are sent, the APN parameters of the Target cell ownership place are used in PDP connection requests.
In the present embodiment, since information necessary to mobile terminal access Target cell is not only contained in system information is also wrapped
The APN parameters of the Target cell ownership place are included, realize the APN parameters that current network home ground to be accessed is obtained from network,
So that user is more convenient, efficient using mobile terminal connection network.
Further, in one embodiment of application display method of the present invention, include after step S50：
Information necessary to accessing the Target cell based on the mobile terminal completes network registry；
Based on the APN parameters of the Target cell ownership place, establish PDP with network and be connected.
In the present embodiment, mobile terminal by being decoded to system information, obtain mobile terminal access the Target cell must
The information and the APN parameters of Target cell ownership place needed.Mobile terminal is complete by information necessary to accessing the Target cell
Into network registry, such as ps domain registration or routing update (TAU/attach/RAU), after network registry success, further to network
(i.e. the corresponding mobile network of Target cell) sends PDP connection requests, and the Target cell ownership place is used in PDP connection requests
APN parameters.
In the present embodiment, since information necessary to mobile terminal access Target cell is not only contained in system information is also wrapped
The APN parameters of the Target cell ownership place are included, realize the APN parameters that current network home ground to be accessed is obtained from network,
So that user is more convenient, efficient using mobile terminal connection network.
In one embodiment, APN acquisition methods are applied to network-side, and APN acquisition methods include：
The system information of each cell is generated, the system information includes mobile terminal and accesses necessary to each cell
The APN parameters of information and each cell ownership place；
The system information of each cell is broadcasted in Physical Broadcast Channel.
In the present embodiment, except information necessary to accessing the Target cell comprising mobile terminal further includes in system information
APN parameters of Target cell ownership place, and in current 2/3/4G network systems, the Target cell that mobile terminal receives
It is not include Target cell APN parameters in system information, since 2/3/4G network standards have formulated completion, changes standard ratio
It is more difficult.And 5G standards are in formulation, therefore, the present embodiment APN acquisition methods can be applied in 5G network systems.5G nets
Network has flexible self-contained wave spacing, because 5G will support more application scenarios, wherein, the reliable low time delay of superelevation (URLLC)
It is the key service of following 5G, it is necessary to than LTE (Long Term Evolution, Long Term Evolution) the shorter frame structure of time slot.5G
A big new feature be multiple parameters collection (Numerology：Including subcarrier spacing, symbol lengths, CP length etc.), it can mix
It closes and uses simultaneously.Numerology is by subcarrier spacing (subcarrier spacing) and cyclic prefix (cyclic
Prefix) define.In LTE/LTE-A, subcarrier spacing is fixed 15kHz, the most base that 5G NR (New Radio) are defined
This subcarrier spacing is also 15kHz, but can be flexibly expansible.It is so-called can flexible expansion, i.e. the son of 5G NR (New Radio)
Carrier wave interval is set to 15* (2^m) kHz, m ∈ { -2,0,1 ..., 5 }, that is to say, that subcarrier spacing can be set to 3.75kHz,
7.5kHz、15kHz、30kHz、60kHz、120kHz......
With reference to Fig. 3, Fig. 3 is 5G frame structure schematic diagrames in one embodiment of APN acquisition methods of the present invention.As shown in figure 3,5G
Identical with LTE in signal frame, the length of radio frames and subframe is fixed, so as to allow preferably to keep coexisting between LTE and NR.This
The fixed structure of sample, it is synchronous with frame structure beneficial to time slot under the common deployment modes of LTE and NR, simplify cell searching and frequency is surveyed
Amount.Unlike, 5G NR define flexible sub- framework, and time slot and character length can flexibly be defined according to subcarrier spacing.Cause
This, can add the APN parameters of each cell ownership place in sub- framework.So that mobile terminal is in the system information received
The middle APN parameters for obtaining current cell ownership place to be added.5G defines a kind of sub-slots framework, is Mini-Slot.Mini-
Slots is mainly used for the reliable low time delay of superelevation (URLLC) application scenarios.As shown in figure 3 above, Mini-Slot is by two or more
Symbol forms, and first symbol includes control information.It is configured in for the HARQ of low time delay on Mini-Slot, Mini-Slot
It can also be used for the service dispatch of fast and flexible.
With reference to Fig. 5, Fig. 5 is the schematic diagram of a scenario of one embodiment of APN acquisition methods of the present invention.In the present embodiment, network-side
02 (such as communication base station) in PBCH by broadcasting the system information of each cell.After mobile terminal 01 is started shooting, cell is carried out
Search, and determine Target cell, according to the Physical Cell Identifier of Target cell, in PBCH (Physical Broadcasting
Channel, Physical Broadcast Channel) in obtain the system information of the Target cell, contain mobile terminal in the system information and connect
Enter information and the APN parameters of the Target cell ownership place necessary to Target cell.In order to connect network, the mobile terminal of 5G is supported
Search of initial zone, its main purpose need to be performed：The most strong cell of signal is found to connect, obtain system-frame timing, i.e. frame
Initial position, the PCI, the demodulated reference signal that determine cell.In order to support cell searching, PSS (Primary need to be used
Synchronization Signal, primary synchronization signal) and SSS (Secondary Synchronization Signal, it is auxiliary same
Walk signal).PSS and SSS is transmitted synchronizing signal block (Synchronisation Signal Block) is inner, with PBCH (physics
Broadcast channel) together, it is configured at fixed time slot position.With reference to Fig. 6, Fig. 6 is same in one embodiment of APN acquisition methods of the present invention
Walk the frame structure schematic diagram of block.During search of initial zone, UE passes through the matched filter docking collection of letters number and synchronous letter
Number sequence carries out related, and performs following steps：1) find main synchronizing sequence, obtain symbol and 5ms frames timing.2) find auxiliary
Synchronizing sequence detects CP length and FDD/TDD dual-modes, and accurate frame timing is obtained from matched filter result,
It is indexed from reference signal sequence and obtains CI.3) decode PBCH and obtain basic system information.It is synchronous in order to support beam scanning
Block is organized into a series of trains of pulse (burst), and periodicity sending.
In the present embodiment, PBCH (Physical Broadcast Channel)：PBCH provides basic system information to UE, and any UE must be solved
Cell could be accessed after information on code PBCH.For example, the information that PBCH is provided includes：In downlink system bandwidth, radio frame
Timing information, synchronous signal impulse periodicity, System Frame Number, other higher layer informations for sending (join comprising Target cell APN
Number), other broadcast messages are mapped in shared channel.
Not only include moving in the present embodiment, in the cell system information that network-side (such as communication base station) is broadcasted on PBCH
Information necessary to dynamic terminal access cell further includes the APN parameters of cell ownership place so that mobile terminal can be directly from system
The APN parameters of Target cell ownership place are extracted in information.Through this embodiment, without pre-establishing roaming location PLMN
The corresponding table of (Public Land Mobile Network, public land mobile network) and APN, without user's manual configuration
APN parameters realize the APN parameters that current network home ground to be accessed is obtained from network so that user uses mobile terminal
It is more convenient, efficient to connect network.
In addition, the embodiment of the present invention also provides a kind of mobile terminal, the mobile terminal includes：Memory, processor and
The APN that being stored in can run on the memory and on the processor obtains program, and the APN obtains program by the place
The step of reason device realizes APN acquisition methods as described above when performing.
The specific embodiment of mobile terminal of the present invention and each embodiment of above-mentioned APN acquisition methods are essentially identical, herein
It does not repeat.
In addition, the embodiment of the present invention also provides a kind of network-side, the network-side includes：Memory, processor and storage
On the memory and the APN that can run on the processor obtains program, and the APN obtains program by the processor
The step of APN acquisition methods as described above are realized during execution.
The specific embodiment of mobile terminal of the present invention and each embodiment of above-mentioned APN acquisition methods are essentially identical, herein
It does not repeat.
In addition, the embodiment of the present invention also proposes a kind of storage medium, APN is stored on the storage medium and obtains program,
The APN obtains the step of realizing APN acquisition methods as described above when program is executed by processor.
The specific embodiment of storage medium of the present invention and each embodiment of above-mentioned APN acquisition methods are essentially identical, herein
It does not repeat.In the present embodiment, storage medium, that is, computer readable storage medium.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or system including a series of elements not only include those elements, and
And it further includes other elements that are not explicitly listed or further includes as this process, method, article or system institute inherently
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
Also there are other identical elements in the process of element, method, article or system.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme substantially in other words does the prior art
Going out the part of contribution can be embodied in the form of software product, which is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions use so that a station terminal equipment (can be mobile phone,
Computer, server, air conditioner or network equipment etc.) perform method described in each embodiment of the present invention.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made directly or indirectly is used in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of APN acquisition methods, which is characterized in that the APN acquisition methods are applied to mobile terminal, the APN acquisition sides
Method includes：
After the startup of communication of mobile terminal module, cell searching is carried out, forms search result；
Target cell is determined in search result；
The Physical Cell Identifier of the Target cell is obtained, the system that the Target cell is obtained according to the Physical Cell Identifier
Information；
From the system information, the APN parameters of the Target cell ownership place are obtained.
2. APN acquisition methods as described in claim 1, which is characterized in that described that Target cell bag is determined in search result
It includes：
In the cell signal included in search result, according to cell signal strength by strong to weak order, successively to cell signal
It is decoded, if can successfully decoded, it is determined that the corresponding cell of the cell signal is Target cell.
3. APN acquisition methods as described in claim 1, which is characterized in that the physical area for obtaining the Target cell
Mark, the system information of the Target cell is obtained according to the Physical Cell Identifier to be included：
According to the main synchronizing sequence and secondary synchronization sequences of the Target cell, the Physical Cell Identifier of the Target cell is determined；
The system information of the Target cell is obtained in Physical Broadcast Channel according to the Physical Cell Identifier.
4. APN acquisition methods as described in claim 1, which is characterized in that it is described from the system information, obtain the mesh
The APN parameters of mark cell ownership place include：
The system information is decoded, mobile terminal is obtained and accesses information and the mesh necessary to the Target cell
Mark the APN parameters of cell ownership place.
5. APN acquisition methods as claimed in claim 4, which is characterized in that it is described that the system information is decoded, it obtains
Include after information and the APN parameters of the Target cell ownership place necessary to mobile terminal accesses the Target cell：
Information necessary to accessing the Target cell based on the mobile terminal completes network registry；
Based on the APN parameters of the Target cell ownership place, establish PDP with network and be connected.
6. a kind of APN acquisition methods, which is characterized in that the APN acquisition methods are applied to network-side, the APN acquisition methods
Including：
The system information of each cell is generated, the system information includes mobile terminal and accesses information necessary to each cell
And the APN parameters of each cell ownership place；
The system information of each cell is broadcasted in Physical Broadcast Channel.
7. a kind of mobile terminal, which is characterized in that the mobile terminal includes：Memory, processor and it is stored in the storage
On device and the APN that can run on the processor obtains program, and the APN is obtained when program is performed by the processor and realized
Following steps：
After the startup of communication of mobile terminal module, cell searching is carried out, forms search result；
Target cell is determined in search result；
The Physical Cell Identifier of the Target cell is obtained, the system that the Target cell is obtained according to the Physical Cell Identifier
Information；
From the system information, the APN parameters of the Target cell ownership place are obtained.
8. mobile terminal as claimed in claim 7, which is characterized in that the APN is obtained when program is performed by the processor also
The step of realizing the APN acquisition methods as any one of claim 2 to 5.
9. a kind of network-side, which is characterized in that the network-side includes：It memory, processor and is stored on the memory
And the APN that can be run on the processor obtains program, the APN is obtained when program is performed by the processor and realized as weighed
Profit requires the step of APN acquisition methods described in 6.
10. a kind of storage medium, which is characterized in that APN is stored on the storage medium and obtains program, the APN obtains journey
The step of APN acquisition methods as any one of claim 1 to 5 are realized when sequence is executed by processor.
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