CN108322908A - A kind of base station search method and terminal - Google Patents
A kind of base station search method and terminal Download PDFInfo
- Publication number
- CN108322908A CN108322908A CN201810120697.4A CN201810120697A CN108322908A CN 108322908 A CN108322908 A CN 108322908A CN 201810120697 A CN201810120697 A CN 201810120697A CN 108322908 A CN108322908 A CN 108322908A
- Authority
- CN
- China
- Prior art keywords
- network
- base station
- terminal
- operator
- specified
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention discloses a kind of base station search method and terminal, this method includes：Network formats set and operator collective is arranged in terminal；The terminal carries out the search of PLMN according to search condition, obtains search result；Described search condition is the combination of specified network formats and specified operator；According to search result, the terminal selection cell is resident；In the cell, the terminal sends location registration request to mobile communications network；The terminal receives the base station information that the communication network returns.Implement the embodiment of the present invention, can realize no matter whether terminal is equipped with SIM card, and terminal, which is attained by a block search and gets the multiple network operators of China Mobile, China Unicom, China Telecom etc., shows all base station informations off the net.
Description
Technical field
The present invention relates to base station search technology more particularly to a kind of base station search method and terminals
Background technology
With the development of the communication technology, more and more terminals are linked into communication network by base station.Base station search technology
It is that a kind of wireless communication module using terminal carries out communication interaction with communication network, to obtain the relevant base of the communication network
A kind of technology of information (such as information such as PLMN, LAC, Cell-ID, ARFCN, BSIC, PSC, PCI, PN, RSSI) of standing.Base station
Search technique can be applied to many aspects such as the network optimization, base station safety, base station location.
For example, many terminals can meet with the interference that " pseudo-base station " sends refuse messages now, " pseudo-base station " is mobile communication
Illegal cell except network, " pseudo-base station " utilize the legal frequency emissioning signal of operator, are covered when terminal enters " pseudo-base station "
When region, if terminal be resident " pseudo-base station ", due to " pseudo-base station " cell configuration Location Area Identity usually with surrounding legal cells
Difference, then terminal, by launch position renewal process, " pseudo-base station " obtains the number (IMSI) etc. that terminal reports in the process,
Then " pseudo-base station " can send the refuse messages such as advertisement to terminal.And if using base station search technology, it obtains " pseudo-base station "
Information, user can verify whether base station indicated in described information is the legitimate base station of operator, to find in time
With positioning " pseudo-base station ", and follow-up related disposition is carried out to " pseudo-base station ".
There are two types of base station search technology in the prior art is usual：
When the first base station search technology is that the wireless communication module of terminal detects that terminal has SIM card, carry out first
SIM card detects, the network operator belonging to SIM, initiates to register to network, network authentication is then completed, to obtain base
It stands information.Since this scheme needs to be inserted into SIM card in the terminal, it is known that just there are three big Mobile Network Operator in the country,
Respectively independent maintenance multiple mobile networks such as 2G/3G/4G of oneself for each operator, so when user wants completely to search for
All base station informations for going out some position, must replace the SIM card of different operators and different network formats, in addition complete in the market
Netcom's module is also not extensive universal, supports the wireless communication module of different network formats to be possible to so user must replace
It achieves the goal.So cost needed for this scheme is higher, operation is relatively complicated.
When second of base station search technology is that the wireless communication module of terminal detects that terminal does not have SIM card, mould is communicated
Block can enter emergency callback mode, realized to the temporary resident of network by the emergency callback mode, then obtain base station information.
In this scheme, which mobile network wireless communication module cannot actively select go to register, but certain of some operator
When a mobile network allows wireless communication module to be promptly resident, the signal of the mobile network just may be selected in wireless communication module
Best cell is registered, and then obtains the corresponding base station information of the cell, and can not get other mobile networks or its
The base station information of his operator.So the base station information acquired in this scheme is less, user cannot completely search out some
All base station informations of position.
Invention content
The there is provided base station search method of the embodiment of the present invention and terminal, to which no matter whether terminal is equipped with SIM card, eventually
End, which is attained by a block search and gets the multiple network operators of China Mobile, China Unicom, China Telecom etc., to be showed
The purpose of all base station informations off the net.
In a first aspect, an embodiment of the present invention provides a kind of base station search method, step that this method includes below scheme：Eventually
End setting network formats set and operator collective；Wherein, the network formats set includes one or more network formats；
The operator collective includes that one or more identifies the operator indicated with PLMN；The terminal is carried out according to search condition
The search of PLMN, obtains search result；Described search condition is the combination of specified network formats and specified operator；Wherein, institute
It is any one in the network formats set to state specified network formats；The specified operator is in the operator collective
Any one；According to search result, the terminal selection cell is resident；In the cell, the terminal is led to mobile
Communication network sends location registration request；The terminal receives the base station that the communication network is returned based on the location registration request
Information；The base station information includes main plot information and information of adjacent cells.
In specific embodiment, in the cell, the location registration request includes MMR_REG_REQ code segments, the finger
Determine the PLMN marks of operator and the specified network formats；The MMR_REG_REQ code segments include the domains CS instruction information,
The domains the CS instruction information is used to indicate CS domain of the registration request for adhering to the mobile communications network.
In specific embodiment, the method further includes：For the terminal according to the process step, traversal is multiple described specified
The combination of network formats and specified operator, the combination for obtaining the multiple specified network formats and specified operator correspond to
Multiple base station informations.
In specific embodiment, the network formats set includes one or more network formats, specially：The network
Standard set includes the one or more of CDMA/WCDM/GSM/TDS-CDMA/LTE；The operator collective include one or
It is multiple that the operator indicated is identified with PLMN, specially：The operator collective includes China Mobile, China Telecom, middle League of Nations
Logical corresponding one or more PLMN marks.
In specific embodiment, the terminal receives the base that the mobile communications network is returned based on the location registration request
Before information of standing, further include：The terminal carries out network authentication according to the mark of the PLMN with the mobile communications network；
The terminal receives the base station information that the mobile communications network is returned based on the location registration request, specially：It completes
After carrying out network authentication with the communication network, the terminal is received the communication network and is returned based on the location registration request
The base station information returned.
In specific embodiment, the base station information includes system information SIB, the SIB include the main plot information and
The information of adjacent cells；The main plot information includes the PLMN of the corresponding base station in the main plot, LAC, CELL ID,
The information such as ARFCN, BSIC, PSC, PCI, PN, RSSI；The information of adjacent cells includes the corresponding base station of the adjacent cell
The information such as PLMN, LAC, CELL ID, ARFCN, BSIC, PSC, PCI, PN, RSSI.
Second aspect, an embodiment of the present invention provides a kind of wireless communication module, wireless communication module is arranged in the terminal,
Wireless communication module includes condition setting unit, PLMN search units, cell resident element, location registration unit, communication unit,
These functional units are for realizing the method described in first aspect.
The third aspect, an embodiment of the present invention provides a kind of terminal, the terminal includes：Processor, memory, communication connect
Mouth and bus；The processor, the memory are connected by the bus with the communication interface and complete mutual lead to
Letter；The memory is for storing executable program code；The processor is used to store in the memory by reading
Executable program code runs program corresponding with the executable program code, to realize side described in first aspect
Method.
Fourth aspect, an embodiment of the present invention provides a kind of computer readable storage mediums, for storing first aspect institute
State the realization code of method.
5th aspect, an embodiment of the present invention provides a kind of computer software products can when it runs in a computer
For realizing the method described in first aspect.
Implement the embodiment of the present invention, search condition is set in the PLMN search phases, the wireless communication module of terminal is according to searching
Rope condition carries out the search of PLMN, in registration phase, initiates the registration for the domains CS and authentication, can obtain various search conditions
Under base station information so that it is more flexible, conveniently to obtain base station information.During base station search, all-network can be covered
The network formats and frequency range of operator (such as China Mobile, China Unicom, China Telecom), obtain the process of base station information with
SIM card is unrelated, the expense that batch opens card and SIM card management is saved, to save cost.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, the present invention will be implemented below
Attached drawing illustrates needed in example or the prior art.
Fig. 1 is a kind of schematic diagram of communication system provided in an embodiment of the present invention；
Fig. 2 is a kind of flow diagram for base station search method that the prior art provides；
Fig. 3 is a kind of flow diagram of base station search method provided in an embodiment of the present invention；
Fig. 4 a-4c are a kind of schematic diagram of a scenario of search condition setting provided in an embodiment of the present invention；
Fig. 5 is a kind of schematic diagram of a scenario of base station information obtaining different operators provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of the wireless communication module of terminal provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of terminal provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
It should be noted that the term used in embodiments of the present invention is the mesh only merely for description specific embodiment
, it is not intended to limit the invention." the one of the embodiment of the present invention and singulative used in the attached claims
Kind ", " described " and "the" are also intended to including most forms, unless context clearly shows that other meanings.It is also understood that this
Term "and/or" used herein refers to and includes one or more associated any or all possible group of list items purposes
It closes.
The communication system involved by the embodiment of the present invention is introduced first.Referring to Fig. 1, the present embodiments relate to communication system
System includes terminal 1 and mobile communications network, wherein the mobile communications network includes access net and core net, wherein access host
To include base station system 2, core net, which can be divided into, to be controlled network element 3 for the domains CS of circuit-switched service and be used for packet switching service
Ps domain control network element 4.Each concrete composition part in communication system is described as follows：
Terminal 1：Terminal 1 is responsible for the interaction with user, and can pass through the different access way access mobile communication nets such as PS/CS
Network establishes session instead of user.Specifically, terminal can be various types that are mobile or portable and executing wireless communication
Any one of computer system apparatus.Terminal for example can be mobile phone or smart phone, portable type game device, knee
Laptop, PDA, portable internet device, music player, data storage device or other handheld apparatus etc..One
As, term " terminal " can be broadly defined herein as covering any electricity for being easy to be transported and can be carried out wireless communication by user
Son, calculating and/or telecommunication installation.There is wireless communication module (modem), for carrying out communication friendship with communication network in terminal 1
Mutually, in order to obtain the relevant base station information of the communication network, the wireless communication module is implemented as the whole network and believes mould all
Block.
Base station system 2：Base station system is used for the wireless access of terminal, in concrete application, base station system 2 be, for example, include base
Station control (Base Station Controller, BSC) and base transceiver station (Base Transceiver Station,
BTS base station sub-system), such as be include radio network controller (Radio Network Controller, RNC) and
The base station sub-system of node B (Node B).
The domains CS control network element 3：The domains CS control the control unit that network element 3 is CS domain core nets, specifically may include mobile switch
Center (Mobile Switching Center, MSC) or Mobile Switching Center Server
(MobileSwitchingCenterServer, MSC Server) etc..
Ps domain controls network element 4：Ps domain controls the control unit that network element 4 is ps domain core net, specifically may include service GPRS
Supporting node (Serving GPRS Support Node, SGSN) or mobile management entity (Mobile Management
Entity, MME) etc..
Terminal 1 can be linked into the domains CS by base station system 2, establish channel with the domains CS control network element 3, can also be linked into PS
Channel is established in domain with ps domain control network element 4.Connected in addition, terminal can be established with the domains CS or ps domain respectively, can also simultaneously with
The domains CS and ps domain establish connection.In realizing base station search technical process described in the invention, terminal 1 is mainly linked into CS
Domain carries out communication interaction with the domains CS control network element 3, completes location registration and authentication etc..
In a communications system, the communication zone (or overlay area) of base station system 2 can be referred to as " cell ".Base station system
System 2 and terminal 1 can be configured as utilizing various radio access technologies (Radio Access Technology, RAT), correlation
The network type (i.e. network formats) of wireless communication technique, communication is interacted through transmission medium.The network formats are, for example,
GSM, UMTS (WCDMA, TD-SCDMA), LTE, advanced LTE (LTE-A), 3GPP2CDMA2000 (for example, 1xRTT, 1xEV-DO,
HRPD, eHRPD), Wi-Fi, WiMAX etc..
Although base station system 2 can serve as " main plot " of terminal 1 as shown in Figure 1, terminal 1 can also
Signal is received from one or more of the other cell (these other cells can be provided by other base stations) and sends signal, these other
Cell can be referred to as " adjacent cell ".This adjacent cell can also promote the communication between terminal 1 and core net.
Public land mobile network (Public Land Mobile involved by the embodiment of the present invention are described below
Network, PLMN).PLMN for by government or operator that it is ratified, land mobile business purpose is provided for the public and
The network established and managed, which usually interconnects with public switched telephone network (PSTN), to form whole distract or country
The wireless communication networks of scale, public land mobile network are usually characterized with PLMN marks, and PLMN marks are used for uniquely indicating
The network operator of mobile device.These operators can be GSM/LTE, CDMA, iDEN, the TETRA and General Mobile used
The public continental rise mobile network of communication system is also or satellite network.Wherein, PLMN marks are by mobile device country code (Mobile
Country Code, MCC) and MNC (Mobile Network Code, mobile network code) compositions.MCC is by 3 bit digital groups
At, uniquely indicate mobile subscriber belonging to country, such as China MCC be 460.MNC is made of two digits, is used to indicate
The mobile network that mobile subscriber is belonged to, such as the MNC of China Mobile can be 00, the MNC of China Unicom can be 01, therefore in
The PLMN marks of state's movement can be 46000, and the PLMN marks of China Unicom can be with yes 46001.It should be noted that with
The increase of number of users, an operator may also can occupy multiple PLMN mark, for example, China Mobile also have 46000,
46002, multiple PLMN marks such as 46007, wherein 46000 be the PLMN marks of China Mobile GSM network, the network system supported
Formula is GSM or TD-SCDMA；46002 be the PLMN marks of the SIM card of China Mobile 134/159, and the network formats supported are
GSM or TD-SCDMA；46007 be the PLMN marks of China Mobile's TD-SCDMA network, and the access technology supported is TD-
SCDMA。
A kind of base station search flow in the prior art is described below.Referring to Fig. 2, Fig. 2 is a kind of base in the prior art
The flow diagram for search technique of standing.As shown in Fig. 2, after starting up of terminal, wireless communication module can execute PLMN choosings successively
Select (PLMN selection) S101, cell selection (cell selection) S102 and location registration (location
Registration) S103 flows.After these three flows terminate, wireless communication module just has attached to mobile radio communication
Network so as to carry out regular traffic, and obtains the service that network provides.Each step is described as follows：
S101, wireless communication module carry out PLMN selections.Wherein, PLMN selections mainly select a suitable PLMN.
In this step, the available cell information in wireless communication module end of scan periphery measures the signal strength of cell, can be used
PLMN marks, then according to one suitable PLMN of manually or automatically selection algorithm (considering priority) selection.Here emphasis
Automated manner is discussed.Wireless communication module judges whether terminal has the prior information of PLMN, that is, whether has recorded RPLMN
((Registered PLMN), RPLMN is known as registered PLMN, is PLMN of the terminal before last time shutdown or off-grid in registration.
If so, then selecting RPLMN with highest priority, if it is not, the method according to initial selected carries out network selection, that is, press
Network is selected according to the various networks and its priority level that are recorded in SIM card.These PLMN networks according to priority from high to low
Arrangement is as follows：
(1) EHPLMN of Home PLMN (Home PLMN, HPLMN) or highest priority, for terminal user's ownership
PLMN.For the SIM card of a certain determination, there are one PLMN of ownership, that is to say, that in the SIM card of terminal
The MCC and MNC for including in IMSI number on HPLMN MCC and MNC be consistent.
(2) user's control PLMN (User Controlled PLMN, UPLMN), UPLMN is previously stored one in SIM card
A PLMN lists user controlled, the PLMN lists are stored in the private file of SIM card, and terminal should be able to identify SIM card
In these files and can read, and then carry out PLMN selection operations.
(3) operator control PLMN (Operator Controlled PLMN, OPLMN), OPLMN is previously stored SIM card
On one select related parameter with PLMN, other operations of roaming agreement will be endorsed when card burns in operator with the operator
SIM card is written as OPLMN in quotient PLMN.
(4) other PLMN, such as other meet high quality and require the PLMN/RAT of (RSRP be not less than -110dBm) (random
Sequentially), according to other PLMN/RAT etc. of service quality sort descending.
S102, wireless communication module carry out cell selection, and cell selection is primarily to select a suitable cell simultaneously
The wireless communication module is resident in the cell.
S103, wireless communication module carry out location registration.Location registration is mainly to report the position of wireless communication module
To communication network, presently, there are location registration flow include LAU, GPRS attachment (attach) and EPS attachments etc..Registration
After success, terminal can obtain the relevant base station information of garrison cell.
It can be seen that in the prior art, terminal need to be equipped with corresponding SIM card, could pass through above-mentioned base station search technology
Obtain the corresponding operator of the SIM card and the relevant base station information of corresponding network formats.If user wants completely to search
Rope goes out all base station informations of some position, must replace the SIM card of different operators and different network formats, required cost compared with
Height, operation are relatively complicated.
In order to solve defect of the existing technology, an embodiment of the present invention provides a kind of base station search methods, to reality
Now no matter whether terminal is equipped with SIM card, can be transferred through a radio communication mold block search and gets multiple network operators
Base station information corresponding to existing various network formats off the net.
The flow of base station search method involved by the embodiment of the present invention is described below, referring to Fig. 3, this method includes but not
It is limited to following steps：
S201 after starting up of terminal or after network attachment removal, is carried out searching the initialization of net setting, for example carries out searching net phase
NV settings of pass etc..
S202, the wireless communication module of terminal carry out the search of specified PLMN.
In the embodiment of the present invention, in the source code of wireless communication module, the search condition of PLMN is set so that PLMN's
Selection course is carried out according to preset search condition.The search process of this specified PLMN specifically may include following steps S2021- again
S2023：
S2021 pre-sets the search listing of a PLMN, in described search list in the wireless communication module
Including network operation quotient set and network formats set, the network operation quotient set includes multiple network operators, such as
Including at least two in China Mobile, China Telecom, China Unicom etc.；The network formats include GSM, CDMA, WCDM,
At least two in TDS-CDMA, LTE etc..
S2022 selects an operator from the network operation quotient set, one is selected from the network formats set
A network formats, the selected operator and selected network formats composition carry out the search condition of PLMN search.It can
With understanding, since network operation quotient set includes multiple operators, network formats set includes multiple network formats, institute
With constitute form carry out PLMN search search condition can have it is multiple, as shown in the first search condition, second search for
Condition, third search condition etc..Each search condition includes a network operator and a network formats, and is each searched
Rope condition is different from.
Referring to Fig. 4 a- Fig. 4 c, the network operation quotient set includes China Mobile, China Telecom, China Unicom etc., institute
Stating network formats set, to include LTE, GSM, CDMA, WCDM, TDS-CDMA etc. can select China Mobile in this case
Combination with LTE can select China Telecom and the group of LTE as the first search condition (as shown in 4a) for PLMN search
Cooperation is the second search condition (as shown in 4b) searched for for PLMN, and the combination of China Unicom and LTE can be selected as use
In the third search condition of PLMN search (as shown in 4c).It will of course be understood that, it is also an option that other arbitrary combinations
(such as China Telecom-CDMA combinations etc.) is used as search condition.
It should be understood that in order to realize the scheme for the base station information for obtaining a variety of PLMN in the embodiment of the present invention, the present invention
In embodiment, in subsequent method flow implementation procedure, each search condition (the first search condition as shown, second are traversed
Search condition, third search condition), flow " S2022-S2023-S203-S204-S205 " is executed, these search conditions
Execute flow may be time sequence successively carry out, it is also possible to it is synchronous to carry out.
For example, it is preferred that in the embodiment of the present invention, the wireless communication module can be given tacit consent to complete based on full system type pictorial is carried out
Operator is searched for, then wireless communication module preferentially initiates search and rear afterflow under LTE patterns to the PLMN of China Mobile
Journey (i.e. S2023-S203-S204-S205) is completed the base station information acquiring of China Mobile LTE, then is sent out to the PLMN of China Telecom
Search and follow-up process are played, the base station information acquiring of China Telecom LTE is completed, finally initiates to search for the PLMN of China Telecom
And follow-up process, the base station information acquiring of China Unicom LTE is completed, until by under LTE patterns, all base stations of Domestic Carriers
Information collection is completed.Later, in possible application scenarios, wireless communication module automatically switches to other network formats (such as：
WCDM, GSM etc.) again carry out different operators base station information acquisition.
For example, can also one or more customized search be arranged depending on the user's operation in wireless communication module
Condition, and execute follow-up process based on one or more of customized search conditions.
S2023 is based on described search condition after determining described search condition, in the corresponding frequency range frequency of the search condition
Rate (bands) carries out PLMN search, obtains search result, different PLMN marks, the corresponding frequency range frequency point of different network formats can
With reference to following table 1.The search result of PLMN search is that wireless communication module obtains the current PLMN information for meeting search condition,
It prepares for subsequent cell selection.
The corresponding frequency range frequency point of the different search conditions of table 1
S203, according to described search as a result, the wireless communication module of terminal carries out the selection of cell and is resident.
Cell selects primarily to selecting a suitable cell, and wireless communication module is stationed in the cell.
Cell can with broadcast system information, can be indicated in the system information cell whether belong to normal cell, restricted cell or
Retain cell.Under normal circumstances, wireless communication module can select a suitable normal cell (i.e. suitable cell).Cell selects
The result is that have found the suitable cell for the PLMN for meeting current search criteria, and be successfully resident, to initiate network position in next step
Registration is set to prepare.
In the embodiment of the present invention, when wireless communication module enters cell selection procedure, first by the prior information of carrier wave
(such as prior information of EUTRA carrier waves) and the historical cell information originally preserved empty, to all can in the selection of each cell
Enter initial cell selection course.In the selection course of initial cell, due to wireless communication module does not have prior information can be with
It is helped to recognize specific system frequency, therefore, terminal is based on obtained PLMN information, is scanned according to its own ability all
Communication band, be resident to find a suitable cell.In each frequency, terminal need to only use search channel matter
Best cell is measured, once a suitable cell (such as meeting the cell of S criterion) occurs, terminal can select this suitable cell
As persistent district.If indicating that it allows to be resident in the system information of the cell, wireless communication module will select herein
It is resident in cell.
The wireless location registration request initiated to mobile communications network for the domains CS of S204, terminal.
In the embodiment of the present invention, after the wireless communication module resides in cell, directly sent out to mobile communications network
Rise specified PLMN, specified network formats, location registration request for the domains CS.
Specifically, the terminal controls network element by base station system to the domains CS sends the location registration request, institute's rheme
Set registration request include MMR_REG_REQ code segments, the specified operator PLMN mark and the specified network formats,
Wherein, the MMR_REG_REQ code segments include the domains CS instruction information, and the domains the CS instruction information is used to indicate the position note
CS domain of the volume request for adhering to the communication network.For example, the registration request is { MMR_REG_REQ PLMN (460-00)
RAT (LTE) }, the attachment information (CS_SERVICEOnly) in the domains CS is carried in MMR_REG_REQ.
Then, mobile communications network (such as the domains CS control network element) carries out network authentication with the terminal, during this, leads to
Communication network can carry out information exchange with wireless communication module, and wireless communication module is according to the specified PLMN, in authorizing procedure
The specified PLMN is filled in the middle place that needs to check PLMN and examine, to complete the authenticating work for the domains CS.This
Sample, wireless communication module can smoothly register the mobile communications network.
After S205, completion network authentication, the system message (system of the terminal terminating communications network transmission
Information), the system message is parsed, to extract the base station information entrained by it.
Specifically, the system message may include system message 1, system message 2, system message 3, system message 4, system
Message 5, system message 6, system message 7, system message 8, being parsed to 1~system message of system message 3 can be led
The associated base stations information of cell；The associated base stations letter of adjacent cell can be obtained by being parsed to 4~system message of system message 8
Breath, analysis result are described as follows respectively：
Resolution system message 1 (SIB1)：Obtain include main plot mark (Cell ID), cell channel description, RACH control
Parameter processed, subdistrict frequency point allocation table etc..
Resolution system message 2 (SIB2)：Obtain include cell (main plot) radio configuration information (such as AC-Barring
Deng).
Resolution system message 3 (SIB3)：Obtain the reselection information of cell (main plot).
Resolution system message 4 (SIB4)：Obtain co-frequency neighbor cell list.
Resolution system message 5 (SIB5)：Obtain adjacent cell list between frequency.
Resolution system message 6 (SIB6)：Obtain UTRAN adjacent cell lists.
Resolution system message 7 (SIB7)：Obtain GSM adjacent cell lists.
Resolution system message 8 (SIB8)：Obtain CDMA2000 adjacent cell lists.
That is, by the main plot information parsed, wireless communication module can obtain main plot correlation
Base station information (such as PLMN, LAC, CELL ID, ARFCN, BSIC, PSC, PCI, PN, RSSI etc.), obtained by parsing
Information of adjacent cells, wireless communication module can obtain the relevant base station information of adjacent cell (such as PLMN, LAC, CELL ID,
ARFCN, BSIC, PSC, PCI, PN, RSSI etc.).
It should be understood that in the embodiment of the present invention, multiple search conditions are traversed, execute above-mentioned flow, so that it may to obtain not
The corresponding base station information of the network formats different with operator.Referring to Fig. 5, in a kind of base station of full operator's whole network standard
In information search embodiment, it is directed to the different network formats of China Mobile, the different network formats of China Telecom, middle League of Nations respectively
Logical different network formats carry out base station search, to collect the China Mobile of current location, China Telecom, China Unicom
All base station informations.
It is S206, optional, after the wireless communication module summarizes all base station informations searched, export institute
Some base station informations.Specifically, can be selectively logical by the base station information searched (main plot information and information of adjacent cells)
It crosses serial ports, USB port or preserves and exported at modes such as texts.In order to which user carries out subsequently according to the output information
Application processing, such as the base station of respective operator is inquired according to the base station information, to identify whether associated base stations are " pseudo-
Base station " etc..
As can be seen that implementing the embodiment of the present invention, search condition, the radio communication mold of terminal are set in the PLMN search phases
Root tuber carries out the search of PLMN according to search condition, in registration phase, initiates the registration for the domains CS and authentication, can obtain various
Base station information under search condition so that it is more flexible, conveniently to obtain base station information.During base station search, it can cover
The network formats and frequency range of all-network operator, the process for obtaining base station information is unrelated with SIM card, save batch open card with
The expense of SIM card management, to save cost.In addition, finding in practical applications, some net of single operator is generally searched for
The base station information of network standard (such as China Mobile GSM network) is it is only necessary to 2S or so, the searcher based on the embodiment of the present invention
Method search speed is fast, and base station search is efficient, obtained base station information more complete and accurate.
Described above is the communication system of the embodiment of the present invention and base station search methods, and institute of the embodiment of the present invention is described below
The relevant device being related to.
The embodiment of the present invention provides a kind of wireless communication module 60, and the communication module setting is in the terminal, described wireless
Communication module 60 includes condition setting unit 601, PLMN search units 602, cell resident element 603, location registration unit
604, communication unit 605 is described as follows：
Condition setting unit 601, for network formats set and operator collective to be arranged；Wherein, the network formats collection
Conjunction includes one or more network formats；The operator collective includes that one or more identifies the operation indicated with PLMN
Quotient；
PLMN search units 602, the search for carrying out PLMN according to search condition, obtain search result；Described search
Condition is the combination of specified network formats and specified operator；Wherein, the specified network formats are the network formats set
In any one；The specified operator is any one in the operator collective；
Cell resident element 603, for according to search result, the terminal selection cell to be resident；
Location registration unit 604, in the cell, generating the location registration request for the domains CS；
Communication unit 605, for sending the location registration request to mobile communications network；
Communication unit 605, the base station information returned based on the location registration request for receiving the communication network；Institute
It includes main plot information and information of adjacent cells to state base station information.
Specifically, the location registration request include MMR_REG_REQ code segments, the specified operator PLMN mark
And the specified network formats；The MMR_REG_REQ code segments include the domains CS instruction information, and the domains the CS instruction information is used
It is used to adhere to the domains CS of the mobile communications network in the instruction registration request.
In specific embodiment, the wireless communication module 60 is for traversing multiple specified network formats and specified operation
The combination of quotient obtains the corresponding multiple base station informations of combination of the multiple specified network formats and specified operator.
Wherein, the network formats set includes one or more network formats, specially：The network formats set
One or more including CDMA/WCDM/GSM/TDS-CDMA/LTE；
Wherein, the operator collective includes that one or more identifies the operator indicated with PLMN；The operator
Set includes China Mobile, China Telecom, corresponding one or more PLMN marks of China Unicom.
In specific embodiment, communication unit 605 is received the mobile communications network and is returned based on the location registration request
Base station information before, further include：Location registration unit 604 by the communication unit 605 according to the mark of the PLMN, with
The mobile communications network carries out network authentication；The communication unit 605 receives the mobile communications network and is based on the position
The base station information that registration request returns, specially：After completing to carry out network authentication with the communication network, the communication unit
Member 605 receives the base station information that the communication network is returned based on the location registration request.
It should be noted that the realization method of the correlation function of wireless communication module 60 can join in the embodiment of the present invention
The associated description in Fig. 3 embodiments is examined, which is not described herein again.
Based on same inventive concept, the embodiment of the present invention provides a kind of terminal 70, refers to Fig. 7, terminal 70 includes：Communication
Interface 703, memory 702 and the processor 701 coupled with memory 702.Transmitter 703, communication interface 703 and processor
701 can connect (in Fig. 7 for being connected by bus) by bus or other manner.Wherein：
Processor 701 can be one or more central processing units (Central Processing Unit, CPU), Fig. 7
In by taking a processor as an example, in the case where processor 701 is a CPU, which can be monokaryon CPU, can also be more
Core CPU.
Memory 702, include but not limited to be random access memory (Random Access Memory, RAM), it is read-only
Memory (Read-Only Memory, ROM), Erasable Programmable Read Only Memory EPROM (Erasable Programmable
Read Only Memory, EPROM) or portable read-only memory (Compact Disc Read-Only Memory, CD-
ROM), which is used for dependent instruction and data, is additionally operable to storage program code, and said program code is specifically used for real
The function of the terminal in existing Fig. 3 embodiments；
Communication interface 703 is used for external transmission data, or for receiving data from outside；
Processor 1001 is executed for calling the program code stored in memory 1002 involved by Fig. 3 embodiments
Method flow.It is described in detail below：
The processor 701 is for being arranged network formats set and operator collective；Wherein, the network formats set packet
Include one or more network formats；The operator collective includes that one or more identifies the operator indicated with PLMN；
The processor 701 is used to carry out the search of PLMN according to search condition, obtains search result；Described search condition
To specify the combination of network formats and specified operator；Wherein, the specified network formats are in the network formats set
Any one；The specified operator is any one in the operator collective；
The processor 701 is used to, according to search result, cell be selected to be resident；
In the cell, the processor 701 is used to send position to mobile communications network by the communication interface 703
Registration request；
The processor 701, which is used to receive the mobile communications network by the communication interface 703, is based on the position
The base station information that registration request returns；The base station information includes main plot information and information of adjacent cells.
In specific embodiment, the location registration request includes MMR_REG_REQ code segments, the specified operator
PLMN is identified and the specified network formats；The MMR_REG_REQ code segments include the domains CS instruction information, and the domains CS refer to
Show that information is used to indicate CS domain of the registration request for adhering to the communication network.
Specifically, the processor 701 is additionally operable to by running program corresponding with the executable program code, traversal
The combination of the multiple specified network formats and specified operator obtains the multiple specified network formats and specified operation
The corresponding multiple base station informations of combination of quotient.
Wherein, the network formats set includes one or more network formats, specially：The network formats set
One or more including CDMA/WCDM/GSM/TDS-CDMA/LTE；
Wherein, the operator collective includes that one or more identifies the operator indicated with PLMN, specially：It is described
Operator collective includes China Mobile, China Telecom, corresponding one or more PLMN marks of China Unicom.
In specific embodiment, the processor 701 receives the mobile communications network based on described by communication interface 703
Before the base station information that location registration request returns, further include：The processor is connect according to the mark of the PLMN by communication
Mouth carries out network authentication with the communication network；The processor 701 receives the mobile communications network by communication interface 703
Based on the base station information that the location registration request returns, specially：It completes to carry out network mirror with the mobile communications network
After power, the terminal receives the base station information that the mobile communications network is returned based on the registration request.
In specific embodiment, the base station information includes system information SIB, the SIB include the main plot information and
The information of adjacent cells；The main plot information includes the PLMN of the corresponding base station in the main plot, LAC, CELL ID,
The information such as ARFCN, BSIC, PSC, PCI, PN, RSSI；The information of adjacent cells includes the corresponding base station of the adjacent cell
The information such as PLMN, LAC, CELL ID, ARFCN, BSIC, PSC, PCI, PN, RSSI.
It should be noted that the other technical characteristics that the execution step and processor 701 of processor 701 are related to may further reference
The related content of terminal described in Fig. 3 embodiments of the method, which is not described herein again.
In the above-described embodiments, it can be realized wholly or partly by software, hardware, firmware or arbitrary combination.
When implemented in software, it can realize in the form of a computer program product in whole or in part.The computer program
Product includes one or more computer instructions, when loading on computers and executing the computer program instructions, all or
It partly generates according to the flow or function described in the embodiment of the present invention.The computer can be all-purpose computer, special meter
Calculation machine, computer network or other programmable devices.The computer instruction is storable in computer readable storage medium, or
Person is transmitted from a computer readable storage medium to another computer readable storage medium, for example, the computer instruction
Wired (such as coaxial cable, optical fiber, digital subscriber can be passed through from a website, computer, server or data center
Line) or wirelessly (such as infrared, microwave etc.) mode is passed to another website, computer, server or data center
It is defeated.The computer readable storage medium can be any usable medium that computer can access, and can also be comprising one
Or the data storage devices such as integrated server, data center of multiple usable mediums.The usable medium can be magnetic medium
(such as floppy disk, hard disk, tape etc.), optical medium (such as DVD etc.) or semiconductor medium (such as solid state disk) etc..
In the above-described embodiments, it emphasizes particularly on different fields to the description of each embodiment, there is no the part being described in detail in some embodiment,
It may refer to the associated description of other embodiment.
Claims (10)
1. a kind of base station search method, which is characterized in that step that this method includes below scheme：
Network formats set and operator collective is arranged in terminal；Wherein, the network formats set includes one or more net
Network standard；The operator collective includes that one or more identifies the operator indicated with PLMN；
The terminal carries out the search of PLMN according to search condition, obtains search result；Described search condition is specified network system
The combination of formula and specified operator；Wherein, the specified network formats are any one in the network formats set；It is described
Specified operator is any one in the operator collective；
According to search result, the terminal selection cell is resident；
In the cell, the terminal sends location registration request to mobile communications network；
The terminal receives the base station information that the communication network is returned based on the location registration request；The base station information packet
Include main plot information and information of adjacent cells.
2. according to the method described in claim 1, it is characterized in that, the location registration request includes MMR_REG_REQ codes
Section, the PLMN marks of the specified operator and the specified network formats；The MMR_REG_REQ code segments include the domains CS
Indicate that information, the domains the CS instruction information are used to indicate CS domain of the registration request for adhering to the mobile communications network.
3. according to the method described in claim 2, it is characterized in that, the method further includes：
The terminal traverses the combination of the multiple specified network formats and specified operator according to the process step, obtains
The corresponding multiple base station informations of combination of the multiple specified network formats and specified operator.
4. method according to any one of claims 1 to 3, which is characterized in that
The network formats set includes the one or more of CDMA/WCDM/GSM/TDS-CDMA/LTE；
The operator collective includes China Mobile, China Telecom, corresponding one or more PLMN marks of China Unicom.
5. method according to any one of claims 1 to 3, which is characterized in that
Before the terminal receives the base station information that the mobile communications network is returned based on the location registration request, also wrap
It includes：The terminal carries out network authentication according to the mark of the PLMN with the mobile communications network；
The terminal receives the base station information that the mobile communications network is returned based on the location registration request, specially：
It completes after carrying out network authentication with the communication network, the terminal is received the communication network and asked based on the location registration
Seek the base station information of return.
6. a kind of terminal, which is characterized in that including：Processor, memory, communication interface and bus；The processor described is deposited
Reservoir is connected by the bus with the communication interface and completes mutual communication；The memory is executable for storing
Program code；The processor be used for by read the executable program code stored in the memory run with it is described can
Execute the corresponding program of program code；It is specific as follows：
The processor is for being arranged network formats set and operator collective；Wherein, the network formats set includes one
Or multiple network formats；The operator collective includes that one or more identifies the operator indicated with PLMN；
The processor is used to carry out the search of PLMN according to search condition, obtains search result；Described search condition is specified
The combination of network formats and specified operator；Wherein, the specified network formats are any one in the network formats set
It is a；The specified operator is any one in the operator collective；
The processor is used to, according to search result, cell be selected to be resident；
In the cell, the processor is used to send location registration request to mobile communications network by the communication interface；
The processor is used to receive the mobile communications network by the communication interface and be returned based on the location registration request
The base station information returned；The base station information includes main plot information and information of adjacent cells.
7. terminal according to claim 6, which is characterized in that the location registration request includes MMR_REG_REQ codes
Section, the PLMN marks of the specified operator and the specified network formats；The MMR_REG_REQ code segments include the domains CS
Indicate that information, the domains the CS instruction information are used to indicate CS domain of the registration request for adhering to the communication network.
8. terminal according to claim 7, which is characterized in that the processor is additionally operable to can perform with described by operation
The corresponding program of program code traverses the combination of the multiple specified network formats and specified operator, obtains the multiple institute
State the corresponding multiple base station informations of combination of specified network formats and specified operator.
9. according to claim 6 to 8 any one of them terminal, which is characterized in that
The network formats set includes the one or more of CDMA/WCDM/GSM/TDS-CDMA/LTE；
The operator collective includes China Mobile, China Telecom, corresponding one or more PLMN marks of China Unicom.
10. according to claim 6 to 8 any one of them terminal, which is characterized in that
The processor receives the base station that the mobile communications network is returned based on the location registration request by communication interface
Before information, further include：The processor passes through the communication interface and the mobile radio communication according to the mark of the PLMN
Network carries out network authentication；
The processor receives the base station that the mobile communications network is returned based on the location registration request by communication interface
Information, specially：After completing to carry out network authentication with the mobile communications network, the processor is connect by the communication
Mouth receives the base station information that the mobile communications network is returned based on the location registration request.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810120697.4A CN108322908B (en) | 2018-02-05 | 2018-02-05 | Base station searching method and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810120697.4A CN108322908B (en) | 2018-02-05 | 2018-02-05 | Base station searching method and terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108322908A true CN108322908A (en) | 2018-07-24 |
| CN108322908B CN108322908B (en) | 2021-10-26 |
Family
ID=62902079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810120697.4A Active CN108322908B (en) | 2018-02-05 | 2018-02-05 | Base station searching method and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108322908B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110248357A (en) * | 2019-06-24 | 2019-09-17 | 深圳市优克联新技术有限公司 | Search net configuration method, register method, device and system |
| CN110913440A (en) * | 2019-10-29 | 2020-03-24 | 深圳市有方科技股份有限公司 | Terminal module and method for selecting target operator in weak network scene |
| CN111246526A (en) * | 2020-01-10 | 2020-06-05 | 中国联合网络通信集团有限公司 | Network switching method and system for virtual operator |
| CN112235781A (en) * | 2020-09-24 | 2021-01-15 | 紫光展锐(重庆)科技有限公司 | Network registration method, equipment, device and storage medium |
| CN112512039A (en) * | 2020-12-04 | 2021-03-16 | 素泰智能科技(上海)有限公司 | Method for verifying validity of alarm information and terminal equipment |
| CN113068174A (en) * | 2020-01-02 | 2021-07-02 | 苹果公司 | Non-public wireless communication network |
| CN113508612A (en) * | 2019-01-04 | 2021-10-15 | 泰雷兹数字安全法国股份有限公司 | Method for connecting a secure element to a network of a mobile network operator and corresponding secure element |
| WO2022076445A1 (en) * | 2020-10-07 | 2022-04-14 | Qualcomm Incorporated | Network selection for satellite access |
| CN114885399A (en) * | 2022-05-30 | 2022-08-09 | 深圳市有方科技股份有限公司 | Method and device for accessing operator, computer equipment and storage medium |
| CN115134890A (en) * | 2021-03-26 | 2022-09-30 | 中国联合网络通信集团有限公司 | Method, terminal and storage medium for sharing operator network frequency band |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150094058A1 (en) * | 2013-09-29 | 2015-04-02 | Huawei Device Co., Ltd. | Method and apparatus for searching for network |
| CN105376817A (en) * | 2015-10-09 | 2016-03-02 | 杭州字节信息技术有限公司 | Mobile equipment full-mode network-locking residence standby method in the absence of SIM_USIM_UIM card |
| CN107613543A (en) * | 2017-09-01 | 2018-01-19 | 武汉虹信通信技术有限责任公司 | A kind of method and apparatus for obtaining public network cell information |
-
2018
- 2018-02-05 CN CN201810120697.4A patent/CN108322908B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150094058A1 (en) * | 2013-09-29 | 2015-04-02 | Huawei Device Co., Ltd. | Method and apparatus for searching for network |
| CN105376817A (en) * | 2015-10-09 | 2016-03-02 | 杭州字节信息技术有限公司 | Mobile equipment full-mode network-locking residence standby method in the absence of SIM_USIM_UIM card |
| CN107613543A (en) * | 2017-09-01 | 2018-01-19 | 武汉虹信通信技术有限责任公司 | A kind of method and apparatus for obtaining public network cell information |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113508612A (en) * | 2019-01-04 | 2021-10-15 | 泰雷兹数字安全法国股份有限公司 | Method for connecting a secure element to a network of a mobile network operator and corresponding secure element |
| CN110248357A (en) * | 2019-06-24 | 2019-09-17 | 深圳市优克联新技术有限公司 | Search net configuration method, register method, device and system |
| US11856507B2 (en) | 2019-06-24 | 2023-12-26 | Shenzhen Ucloudlink New Technology Co., Ltd. | Network search and configuring method, registration method, device and system |
| CN110913440A (en) * | 2019-10-29 | 2020-03-24 | 深圳市有方科技股份有限公司 | Terminal module and method for selecting target operator in weak network scene |
| CN113068174A (en) * | 2020-01-02 | 2021-07-02 | 苹果公司 | Non-public wireless communication network |
| CN111246526A (en) * | 2020-01-10 | 2020-06-05 | 中国联合网络通信集团有限公司 | Network switching method and system for virtual operator |
| CN112235781A (en) * | 2020-09-24 | 2021-01-15 | 紫光展锐(重庆)科技有限公司 | Network registration method, equipment, device and storage medium |
| WO2022076445A1 (en) * | 2020-10-07 | 2022-04-14 | Qualcomm Incorporated | Network selection for satellite access |
| CN112512039A (en) * | 2020-12-04 | 2021-03-16 | 素泰智能科技(上海)有限公司 | Method for verifying validity of alarm information and terminal equipment |
| CN115134890A (en) * | 2021-03-26 | 2022-09-30 | 中国联合网络通信集团有限公司 | Method, terminal and storage medium for sharing operator network frequency band |
| CN114885399A (en) * | 2022-05-30 | 2022-08-09 | 深圳市有方科技股份有限公司 | Method and device for accessing operator, computer equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108322908B (en) | 2021-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108322908A (en) | A kind of base station search method and terminal | |
| US9119139B2 (en) | System and method for facilitating accelerated network selection in a radio network environment | |
| CN101069441B (en) | Network selection involving GANC redirection | |
| US8200177B2 (en) | Network search method of user equipment for wireless communication system | |
| CN104918300B (en) | Device and method for mobile communication | |
| CN102484803B (en) | Communication system | |
| CN101873637B (en) | Mobile communication devices, methods and systems of priority load balance | |
| US20160073304A1 (en) | Method and apparatus for frequency access restriction in cellular communications | |
| CN108282845B (en) | Network access method and mobile communication terminal | |
| CN102970730B (en) | Change the method for wireless access techniques | |
| WO2008114137A2 (en) | Selectively acquired system information | |
| EP2373095B1 (en) | A method, user equipment, and system for network selection | |
| CN104853411A (en) | Network access method and mobile communication terminal | |
| WO2014206362A1 (en) | Method and device for returning to home network | |
| CN106793009B (en) | Network searching method and mobile terminal | |
| CN108271225B (en) | Network acquisition method and device | |
| CN102231901A (en) | Method for ensuring mobile terminal to reside in network and mobile terminal | |
| TW201438501A (en) | Base stations, mobile communication devices, and connection assistance methods thereof | |
| CN113748716B (en) | Cell search method, device and system | |
| CN110234156A (en) | A kind of method and apparatus of network selection | |
| CN113556788A (en) | Method for selecting network cell, User Equipment (UE) and network side equipment | |
| CN102196487B (en) | Third-generation (3G) system neighbor cell measurement method for multi-card multi-mode mobile terminal | |
| CN109195203A (en) | Method for parameter configuration, device, terminal and the storage medium of WLAN | |
| CN106170996A (en) | A kind of network registering method and terminal | |
| US20230098894A1 (en) | Multi-Band Multi-RAT Cell Search |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |