CN107294640B - Leading to, disturbing based on cognition, anti-integrated control method - Google Patents

Leading to, disturbing based on cognition, anti-integrated control method Download PDF

Info

Publication number
CN107294640B
CN107294640B CN201710327894.9A CN201710327894A CN107294640B CN 107294640 B CN107294640 B CN 107294640B CN 201710327894 A CN201710327894 A CN 201710327894A CN 107294640 B CN107294640 B CN 107294640B
Authority
CN
China
Prior art keywords
frequency
communication
point
value
interference
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.)
Active
Application number
CN201710327894.9A
Other languages
Chinese (zh)
Other versions
CN107294640A (en
Inventor
徐媛媛
张映霓
茅迪
文明
王瑜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CETC 20 Research Institute
Original Assignee
CETC 20 Research Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CETC 20 Research Institute filed Critical CETC 20 Research Institute
Priority to CN201710327894.9A priority Critical patent/CN107294640B/en
Publication of CN107294640A publication Critical patent/CN107294640A/en
Application granted granted Critical
Publication of CN107294640B publication Critical patent/CN107294640B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04KSECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00Jamming of communication; Counter-measures
    • H04K3/80Jamming or countermeasure characterized by its function
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04KSECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00Jamming of communication; Counter-measures
    • H04K3/20Countermeasures against jamming
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04KSECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00Jamming of communication; Counter-measures
    • H04K3/60Jamming involving special techniques
    • H04K3/65Jamming involving special techniques using deceptive jamming or spoofing, e.g. transmission of false signals for premature triggering of RCIED, for forced connection or disconnection to/from a network or for generation of dummy target signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04KSECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K2203/00Jamming of communication; Countermeasures
    • H04K2203/10Jamming or countermeasure used for a particular application

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

What the present invention provides a kind of based on cognition lead to, disturb, anti-integrated control method, signal power, frequency pattern, Modulation Identification parameter and the code identification parameter information obtained by analysis cognition, for the different priori knowledge conditions of acquisition, different communication and conflicting mode are provided.The present invention can utmostly promote the reliability and anti-interference ability of our communication;And it can be sent according to acquired priori knowledge and obscure interference message for formula, accurate Deceiving interference be carried out to enemy, this method can make us obtain information countermeasure advantage under the strong Antagonistic Environment in battlefield end.

Description

Leading to, disturbing based on cognition, anti-integrated control method
Technical field
The present invention relates to communication countermeasure information system application technical fields.
Background technique
Due under the strong Antagonistic Environment in battlefield end, our optimal in structure and communication system be directly exposed to enemy firepower and Under EMP attack N, the establishment of battlefield information dominance is seriously threatened, concerning the victory or defeat for arriving war.To ensure dividing in real time for tactical information The collaborative work of hair and shared and each combat unit, utmostly plays system combat efficiency, needs effectively to be promoted battlefield end The communication in strong Antagonistic Environment and interference and Anti-jamming effectiveness are held, the strategic deterrence ability with formidable opponent's confrontation is formed.
To guarantee reliable communication between our electronic information, and realize that the collaboration to enemy is fought, it is necessary to building communication, The system of interference/anti-interference integral collaboration is supported, and promotes survivability and my army and the formidable opponent couple of my army's combat system Anti- confrontation between systems ability.
Perception to battlefield end complex environment is the basis realized our reliable communication and implement interference to enemy, needs to lead to The real-time mode distributed and shared for crossing multi-platform perception, cooperative information, improves comprehensive, the real-time of perception information.
Reliable communication under strong Antagonistic Environment is the basis for realizing multi-platform cooperative operation, and need to be implemented according to enemy is dry Mode and interference type are disturbed, corresponding Anti-interference Strategy is taken, promotes the reliability of our information transmission.
Currently, it is starting point that communication, interference, Anti-Jamming Technique, which are mostly from the research of monotechnics, as communication system is intended to Guarantee its high reliability and anti-interference ability etc. by studying the promotion of self communication ability;Research for interference is also main It is to propose the different conflicting modes that can be taken under various Antagonistic Environments, includes taking aim at the most commonly used is pressing type conflicting mode Quasi-, obstruction and frequency sweep etc..However following patterns of warfare are very many and diverse, to obtain excellent, the multifunctional integrated system in battlefield Platform is inevitable development trend, it is therefore desirable to which research integrates the multifunction system and phase of communication, anti-interference function Pass technology.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of leading to, disturbing based on cognition, anti-integration control strategy Design cycle and method comprehensively consider anti-interference and interference function in communication scheme compared with traditional Communication System Design Realization, realize that three kinds of each node communication of battlefield end, anti-interference and interference functions are closed according to cognitive element by a set of control strategy Reason switching, can effectively support the promotion of fighting efficiency.
The technical solution adopted by the present invention to solve the technical problems the following steps are included:
Step 1, identification parameter, frequency pattern A, modulation system M and channel coding method C including enemy are inputted;It calculates Equivalent recognition correct rate parameter Q=P1η1+P2η2+P3η3+P4η4, wherein P1For signal power discrimination, P2For frequency parameter knowledge Not rate, P3For Modulation classification rate, P4For coding parameter discrimination;η1Value 20%, η2Value 30%, η3Value 30%, η4 Value 20%;
Step 2, equivalent recognition correct rate Q is compared with preset threshold value R, if Q ﹤ R illustrates to input at this time just True rate is unable to satisfy demand, returns to step 1, no to then follow the steps 3;
Step 3, it is preset to select to enter according to system and receives or sends state;
3.1) enter transmission state, set one's own side's communication information;
3.1.1 it) according to the coding mode of different Signal to Noise Ratio (SNR) selection settings, sends terminal and reception terminal carries out a little To communication when using based on adaptive channel coding method;
3.1.2 it) according to the modulation system of different Signal to Noise Ratio (SNR) selection settings, sends terminal and reception terminal carries out a little To communication when use ACM modulation system;
3.1.3) frequency pattern selection can use frequency hopping library B=B1,B2,…,BmIn with interference frequency point library A=[τ1,…τn] jump The smallest frequency pattern B of frequency pattern correlationi=[b1,…,bλ], wherein i ∈ (1, m), m are frequency pattern number, λi∈(1, η), η is current all frequency hopping points, i=argmin [mean [cov (A, Bi)]], τ1,…τnTo interfere frequency point, b1,…,bλFor Frequency pattern BiIn frequency hopping point;
3.2) enter reception state, set the coding mode, modulation system and frequency hopping image of interference signal respectively with enemy Channel coding method C, modulation system M and frequency pattern A it is consistent;
Step 4, one's own side's signal of communication or interference signal are sent according to the setting of step 3, completes holding for a control method Row;
Step 5, return step 1.
It is logical the beneficial effects of the present invention are: being able to solve the integrated problem of communication, interference, Anti-Jamming Technique Letter, interference, the development of Anti-Jamming Technique integrated system and development provide technical support.Using algorithm proposed by the present invention By choosing and the smallest frequency pattern of enemy's frequency pattern correlation, reference satellite communication adaptive coding skill mature at present Art, which chooses optimum code mode, can utmostly promote the reliability and anti-interference ability of our communication;And it can be according to acquired Priori knowledge send and obscure interference message for formula, accurate Deceiving interference carried out to enemy, this method can make we Information countermeasure advantage is obtained under the strong Antagonistic Environment in battlefield end.
Detailed description of the invention
Fig. 1 is the present invention is based on the leading to of cognition, disturbs, anti-integration control strategy work flow diagram;
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples, and the present invention includes but are not limited to following implementations Example.
Promotion demand of the present invention towards communication anti-interference and information countermeasure ability, the signal function obtained by analysis cognition Rate, frequency pattern, Modulation Identification parameter and code identification parameter information provide not for the different priori knowledge conditions of acquisition With communication and conflicting mode, so that leading to, disturbing based on cognition, anti-integrated control method are proposed, by realizing based on cognition Lead to, disturb, anti-integral method, for promoted complex electromagnetic environment under battlefield end communication, information countermeasure ability important base is provided Plinth.
The present invention provide it is a kind of preset according to different priori conditions and system, to complete to leading to, disturb, anti-integration The control method of system mode.
The invention mainly includes steps:
1. process starts: input identification parameter: frequency pattern A, modulation system M and channel coding method C;And it calculates equivalent Recognition correct rate parameter Q executes step 2.
Equivalent recognition correct rate parameter Q, calculation formula are as follows:
Q=P1η1+P2η2+P3η3+P4η4
Wherein P1For signal power discrimination, P2For frequency parameter discrimination, P3For Modulation classification rate, P4For coding Parameter discrimination;η1Value 20%, η2Value 30%, η3Value 30%, η4Value 20%;According to existing research conditions P1It takes Value is between 99%~100%, P2Value is between 75%~90%, P3Value is between 90%~95%, P4Value between 70%~ 90%.
2. parameter differentiates: equivalent recognition correct rate Q is compared with pre-set threshold value R, determines whether to enter Control method process executes step 3.
It is the high value domain that should be in Q value range to meet the value range of the implementation condition R of this method, determines R value Between 0.85~0.92:
A) Q < R does not enter control strategy, and the accuracy inputted at this time is unable to satisfy demand, returns to step 1;
B) Q > R enters control strategy, executes step 3;
3. condition distinguishing: selection entrance is preset according to system and receives or sends state:
3.1 enter transmission state, preset terminal at this time by system and send one's own side's communication information;
3.1.1 coding mode selection: the table of comparisons 1 in Signal to Noise Ratio (SNR) value difference a) is selected referring to satellite communication ACM is based on adaptive channel coding method (point-to-point);B) one's own side's general communication coding mode (broadcast) is selected;
The bit error rate is 10 under table 1AWGN channel-7Shi Weixing DVB ACM table
3.1.2 modulation system selects: the table of comparisons 1 in Signal to Noise Ratio (SNR) value difference, a) selects ACM modulation system (point pair Point);B) one's own side's general communication coding mode (broadcast) is selected;
3.1.3 frequency pattern selects to need to meet: current all frequency hopping points are η, selection interference frequency point library A and available frequency hopping The smallest frequency pattern B of frequency pattern correlation in the B of libraryi, calculation formula is as follows:
A=[τ1,…τn]
B=B1,B2,…,Bm
Bi=[b1,…,bλ]
i∈(1,m)
λi∈(1,η)
I=argmin [mean [cov (A, Bi)]]
Wherein, τ1,…τnTo interfere frequency point, b1,…,bλFor frequency pattern BiIn frequency hopping point, m be frequency pattern number, Select BiTo send frequency pattern.
3.2 enter reception state, preset terminal at this time by system and do not send one's own side's communication information, send and jump with enemy Frequency pattern, code modulation mode all very close to interference message, obscure formula interference to enemy, to enemy send scramble data into Row is to enemy's Communication Jamming.
3.2.1 it when selection obscures coding mode which by meeting Q > R, is determined, is selected by the recognition result that step 1 inputs Select coding mode identical with channel coding method C used by enemy
3.2.2 it when selection obscures modulation system which by meeting Q > R, is determined, is selected by the recognition result that step 1 inputs Select modulation system identical with modulation system M used by enemy
3.2.3 it when selection obscures frequency pattern which by meeting Q > R, is determined, is selected by the recognition result that step 1 inputs It selects and the used consistent frequency pattern of frequency pattern A of enemy
4. sending
The signal of transmission different function is selected according to step 3 executive condition.
4.1 send one's own side's signal of communication according to step 3 under the scheduled sending mode of system, complete holding for a control method Row.
4.2 send interference signal according to step 3 is lower in the scheduled reception pattern of system, complete the execution of a control method.
5. return step 1.
The present invention has filled up existing communication, anti-interference, interference function overall-in-one control schema mode blank, can directly apply It in leading to based on cognition, disturbs, anti-integral control system, promotes fighting efficiency.
Example 1:
1. obtaining signal power discrimination P1It is 99%, frequency parameter discrimination P2It is 71%, Modulation classification rate P3For 90%, coding parameter discrimination P4It is 70%, inputs equivalent recognition correct rate parameter Q, calculation formula is as follows:
Q=P1η1+P2η2+P3η3+P4η4
Wherein, η1Value 20%, η2Value 30%, η3Value 30%, η4Value 20% show that Q value is 0.82.
2. parameter differentiates: taking threshold value is 0.86, and equivalent recognition correct rate Q is compared with it, and Q < R does not enter control Method, the accuracy inputted at this time are unable to satisfy demand, return to step 1.
Example 2:
1. obtaining signal power discrimination P1It is 99.88%, frequency parameter discrimination P2It is 85%, Modulation classification rate P3It is 92%, coding parameter discrimination P4It is 78%, inputs equivalent recognition correct rate parameter Q, calculation formula is as follows:
Q=P1η1+P2η2+P3η3+P4η4
Wherein, η1Value 20%, η2Value 30%, η3Value 30%, η4Value 20% show that Q value is 0.89.
2. parameter differentiate: take threshold value be 0.86, equivalent recognition correct rate Q is compared with it, meet Q > R determine into Enter control flow, executes step 3
3., into the state of transmission, terminal sends one's own side's communication information at this time according to the preset mode of system.
3.1 in Signal to Noise Ratio (SNR)=2.20, and control tables look-up 1, selects ACM code modulation mode for QPSK3/5.
3.2 current all frequency point libraries be N=[1,2,3 ... 50], the interference frequency point library A=recognized [1,3,5,7,9, 11,13], frequency point library B=[B can be used1,B2,B3,B4,B5,B6,B7,B8,B9,B10];
B1=[1,3,5,7,9,11,13]
B2=[2,4,6,8,10,12,14,16,18]
B3=[3,7,11,15,19,23,27,30]
B4=[4,8,12,16,20,24,28]
B5=[5,9,13,17,21,25,29]
B6=[6,12,18,24,30,36,42,48]
B7=[38,40,42,44,46,48,50]
B8=[4,8,12,16,20,24,28,32,36,40]
B9=[8,15,22,29.36.43,50]
B10=[15,20,25,30,35,40,45]
According to formula i=argmin [mean [cov (A, Bi)]] selection frequency pattern B is calculated7=[38,40,42, 44,46,48,50]。
4. sending
The signal under sending mode is completed using QPSK3/5 and frequency pattern [38,40,42,44,46,48,50] to send, Execute a control method.
5. returning to step 1.
Example 3:
1. taking signal power discrimination P1It is 100%, frequency parameter discrimination P2It is 89%, Modulation classification rate P3It is 93%, coding parameter discrimination P4It is 80%, inputs equivalent recognition correct rate parameter Q, calculation formula is as follows:
Q=P1η1+P2η2+P3η3+P4η4
Wherein, η1Value 20%, η2Value 30%, η3Value 30%, η4Value 20% show that Q value is 0.91.
2. parameter differentiate: take threshold value be 0.89, equivalent recognition correct rate Q is compared with it, meet Q > R determine into Enter control flow, executes step 3.
3., into reception state, terminal does not send one's own side's communication information at this time according to the preset mode of system, send With enemy's frequency pattern, code modulation mode all very close to interference message, obscure formula interference to enemy, enemy sent mixed Information of confusing is carried out to enemy's Communication Jamming.
3.1 learn that enemy's channel coding method C is Turbo, selection and letter used by enemy by the recognition result inputted The identical coding mode of road coding mode.
3.2 learn that enemy's modulation system M is MSK, selection and modulation system used by enemy by the recognition result inputted Identical modulation system.
3.3 learn that enemy's frequency pattern A is [6,12,18,24,30,36,42], selection and enemy by the recognition result inputted The used consistent frequency pattern of frequency pattern in side.
4. sending
Reception pattern is completed using Turbo coding, MSK modulation system and frequency pattern [6,12,18,24,30,36,42] Under interference send, execute a control method.
5. returning to step 1.

Claims (1)

1. a kind of leading to, disturbing based on cognition, anti-integrated control method, it is characterised in that include the following steps:
Step 1, identification parameter, frequency pattern P, modulation system M and channel coding method C including enemy are inputted;It calculates equivalent Recognition correct rate parameter Q=P1η1+P2η2+P3η3+P4η4, wherein P1For signal power discrimination, P2For frequency parameter discrimination, P3For Modulation classification rate, P4For coding parameter discrimination;η1Value 20%, η2Value 30%, η3Value 30%, η4Value 20%;
Step 2, equivalent recognition correct rate Q is compared with preset threshold value R, if Q ﹤ R illustrates the accuracy inputted at this time It is unable to satisfy demand, returns to step 1, it is no to then follow the steps 3;
Step 3, it is preset to select to enter according to system and receives or sends state;
3.1) enter transmission state, set one's own side's communication information;
3.1.1 it) according to the coding mode of different Signal to Noise Ratio (SNR) selection settings, sends terminal and reception terminal progress is point-to-point Using based on adaptive channel coding method when communication;
3.1.2 it) according to the modulation system of different Signal to Noise Ratio (SNR) selection settings, sends terminal and reception terminal progress is point-to-point ACM modulation system is used when communication;
3.1.3) frequency pattern selection can use frequency hopping library B=B1,B2,…,BmIn with interference frequency point library A=[τ1,…τn] hopping pattern The smallest frequency pattern of sample correlationWherein, [1, m] i ∈, m are frequency pattern number, λi∈ [1, η], λiFor pattern BiThe number of middle frequency hopping point, η are that all frequency hopping points are total in current frequency hopping library, i=argmin [mean [cov (A, Bi)]], τ1,…τnTo interfere frequency point,For frequency pattern BiIn frequency hopping point;
3.2) enter reception state, set the coding mode, modulation system and frequency hopping image of interference signal respectively with the letter of enemy Road coding mode C, modulation system M and frequency pattern P are consistent;
Step 4, one's own side's signal of communication or interference signal are sent according to the setting of step 3, completes the execution of a control method;
Step 5, return step 1.
CN201710327894.9A 2017-05-11 2017-05-11 Leading to, disturbing based on cognition, anti-integrated control method Active CN107294640B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710327894.9A CN107294640B (en) 2017-05-11 2017-05-11 Leading to, disturbing based on cognition, anti-integrated control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710327894.9A CN107294640B (en) 2017-05-11 2017-05-11 Leading to, disturbing based on cognition, anti-integrated control method

Publications (2)

Publication Number Publication Date
CN107294640A CN107294640A (en) 2017-10-24
CN107294640B true CN107294640B (en) 2019-07-02

Family

ID=60093906

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710327894.9A Active CN107294640B (en) 2017-05-11 2017-05-11 Leading to, disturbing based on cognition, anti-integrated control method

Country Status (1)

Country Link
CN (1) CN107294640B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109361448A (en) * 2018-09-30 2019-02-19 上海无线通信研究中心 A kind of vacant lot wireless communications method and its system towards Air communication platform
CN111030729B (en) * 2019-11-19 2021-06-08 中国电子科技集团公司第二十研究所 Communication mode decision method of frequency hopping communication system
CN112751628B (en) * 2020-12-18 2022-06-07 中国电子科技集团公司第二十研究所 Method for determining comb spectrum interference signal frequency points in multiple limited bandwidth ranges

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1065648A (en) * 1996-08-22 1998-03-06 Tec Corp Hopping pattern setting method for frequency hoping spread spectrum-type radio system
CN103441779A (en) * 2013-09-22 2013-12-11 郭建新 Frequency hopping communication anti-interference method based on cognitive radio
CN104393893A (en) * 2014-11-25 2015-03-04 中国航天科技集团公司第五研究院第五一三研究所 Frequency hopping communication system based on cognitive radio
US9322907B1 (en) * 2012-08-07 2016-04-26 Rockwell Collins, Inc. Behavior based friend foe neutral determination method
CN106341179A (en) * 2016-09-14 2017-01-18 芜湖扬展新材料科技服务有限公司 Unmanned aerial vehicle ground monitoring system based on communication countermeasure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1065648A (en) * 1996-08-22 1998-03-06 Tec Corp Hopping pattern setting method for frequency hoping spread spectrum-type radio system
US9322907B1 (en) * 2012-08-07 2016-04-26 Rockwell Collins, Inc. Behavior based friend foe neutral determination method
CN103441779A (en) * 2013-09-22 2013-12-11 郭建新 Frequency hopping communication anti-interference method based on cognitive radio
CN104393893A (en) * 2014-11-25 2015-03-04 中国航天科技集团公司第五研究院第五一三研究所 Frequency hopping communication system based on cognitive radio
CN106341179A (en) * 2016-09-14 2017-01-18 芜湖扬展新材料科技服务有限公司 Unmanned aerial vehicle ground monitoring system based on communication countermeasure

Also Published As

Publication number Publication date
CN107294640A (en) 2017-10-24

Similar Documents

Publication Publication Date Title
CN107294640B (en) Leading to, disturbing based on cognition, anti-integrated control method
CN106100695A (en) A kind of pattern modulation frequency hopping Anti TBIgG method based on Constructing Chaotic Code
CN109164447A (en) The electromagnetic spectrum ferreting device of L-band low-altitude surveillance radar
CN102075943B (en) Cognitive radio (CR) ultra wideband (UWB) communication system
CN105187152A (en) Combined interference method and system based on spectrum sensing and modulation identification
CN107332855B (en) Main user simulation attack detection method based on reinforcement learning algorithm
CN105959246B (en) Anti-interference method
CN116299408B (en) Multi-radar autonomous cooperative detection system and detection method
CN112911505A (en) Frequency-adaptive wheelchair indoor positioning method
CN105573134A (en) Intelligent household equipment control method and intelligent household system
CN108600695A (en) A kind of intelligent interaction robot control system
Paisana et al. Signal processing for temporal spectrum sharing in a multi-radar environment
CN115575908A (en) Radar interference parameter optimization method and system based on pulse description words
CN104852874A (en) Adaptive modulation recognition method and device in time-varying fading channel
CN109975765A (en) Orthogonal waveform design method for radar embedded communication
CN110190871A (en) A kind of method, electronic device and storage medium controlling inter-antenna interference
CN107402379A (en) A kind of method for improving MIMO radar antijamming capability
Jin et al. Integration interval determination algorithms for BER minimization in UWB transmitted reference pulse cluster systems
Huang et al. Dual-observation time-division spectrum sensing for cognitive radios
CN104467915B (en) Phase noise analyzing method of incoherent ultra-wide band communication system
Ramírez-Mireles Error probability of ultra wideband SSMA in a dense multipath environment
CN106301467B (en) Enhance the disturbance ecology suppressing method of JTIDS waveforms based on rate
Song et al. Optimal cooperative spectrum sensing strategies in cognitive radio networks
CN108092736B (en) Low detection probability waveform method based on wavelet transformation
Sinha et al. Energy detection of unknown signals over Rayleigh fading channel

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