CN109951241A - A kind of minizone collaboration frequency spectrum scan method in electric power wireless communication system - Google Patents
A kind of minizone collaboration frequency spectrum scan method in electric power wireless communication system Download PDFInfo
- Publication number
- CN109951241A CN109951241A CN201910264003.9A CN201910264003A CN109951241A CN 109951241 A CN109951241 A CN 109951241A CN 201910264003 A CN201910264003 A CN 201910264003A CN 109951241 A CN109951241 A CN 109951241A
- Authority
- CN
- China
- Prior art keywords
- base station
- spectrum scan
- subbands
- sets
- community
- 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.)
- Pending
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses the minizone collaboration frequency spectrum scan methods in a kind of electric power wireless communication system, comprising: which one or more first terminals that the first base station in first community configures the close second community in first community carry out spectrum scan to the first sets of subbands, one or more second terminals of the close first community in the second base station configuration second community in second community carry out spectrum scan to the second sets of subbands, wherein, sub-band serial number in first sets of subbands and the second sets of subbands is not identical, and intersection is empty set；Spectrum scan result to the first sets of subbands is reported to first base station by first terminal, and the spectrum scan result to the second sets of subbands is reported to the second base station by second terminal；The spectrum scan result of first sets of subbands is sent to the second base station by first base station, and the spectrum scan result of the second sets of subbands is sent to first base station by the second base station.The present invention can shorten the spectrum scan time, improve spectrum scan efficiency.
Description
Technical field
The present invention relates to wireless communication technology fields, assist more particularly to the minizone in a kind of electric power wireless communication system
Make spectrum scan method.
Background technique
With the rapid development of wireless mobile telecommunication technology, demand of all trades and professions to wireless communication is increasing.But by
It is extremely limited in available radio spectrum resources, it causes in identical frequency range, multiple communication system, multiplex communication system are long
The case where phase coexists.For example, there are many frequency points that can aperiodically be occupied by multiple departments in 223-235MHz band limits, wrap
Include: power department is for disposing electric power wireless communication system, to push the construction of smart grid；Ministry of Geology and Mineral Resources is used for telemetering water
Position instrument；Ministry of Water Resources is used for hydrological telemetering；Ministry of Light Industry is used for electronic crane scale；State Seismological Bureau transmits for data；The Ministry of Construction uses
It is transmitted in data；National Meteorological Bureau is for data transmission etc..There is uncertainty in the frequency point holding time of above section purposes, lead to
It is often occupied for burst, this makes the wireless communications environment of the frequency range that can continually change.The case where this condition of multi-system coexistence
It inevitably will cause the interference in some area of space, frequency range, time interval, coding section, seriously affected electricity
The communication quality and data traffic of power wireless communication system.
Interfering with each other between multiple wireless communication systems in order to avoid using similar frequency bands, electric power wireless communication system
Spectrum scan technology should be used.By spectrum scan, electric power wireless communication system can effectively assess the interference water of each frequency subband
Flat, dynamic select is noiseless or the lesser subband of interference, optimizes communication quality, reduces the interference between different system.However it is electric
The radio frequency bandwidth and power limited of terminal device in power wireless communication system, and terminal device is needed when executing spectrum scan
The transmission of its data is interrupted, therefore when the frequency range for needing to scan is larger, terminal device executes spectrum scan for a long time
Biggish power consumption and longer data outage time can be brought.
Summary of the invention
The invention mainly solves the technical problem of providing the minizone collaboration frequency spectrums in a kind of electric power wireless communication system
Scan method can shorten the spectrum scan time, improve spectrum scan efficiency.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of electric power wireless communication system is provided
Minizone collaboration frequency spectrum scan method in system, comprising: in the first base station configuration first community in first community close to the
One or more first terminals of two cells carry out spectrum scan to the first sets of subbands, the second base station configuration in second community
One or more second terminals of close first community in second community carry out spectrum scan to the second sets of subbands, wherein
Sub-band serial number in first sets of subbands and the second sets of subbands is not identical, and the friendship of the first sets of subbands and the second sets of subbands
Integrate as empty set；Spectrum scan result to the first sets of subbands is reported to first base station by first terminal, and second terminal will be to
The spectrum scan result of two sets of subbands is reported to the second base station；First base station sends out the spectrum scan result of the first sets of subbands
The second base station is given, the spectrum scan result of the second sets of subbands is sent to first base station by the second base station.
Preferably, if close to second community first terminal be it is multiple, the first base station is by first subband
Set is divided into multiple first subband subsets, and configures the multiple first terminal and carry out respectively to the multiple first subband subset
Spectrum scan；If close to first community second terminal be it is multiple, second base station will second sets of subbands divide
For multiple second subband subsets, and configures the multiple second terminal frequency spectrum is carried out to the multiple second subband subset respectively and sweep
It retouches.
Preferably, the spectrum scan result to the first sets of subbands is reported in first community by the first terminal
The step of one base station, the spectrum scan result to the second sets of subbands is reported to the second base station in second community by second terminal
Specifically: the spectrum scan result to the first sets of subbands is periodically reported to the first base in first community by first terminal
It stands, the spectrum scan result to the second sets of subbands is periodically reported to the second base station in second community by second terminal.
Preferably, the spectrum scan result to the first sets of subbands is reported in first community by the first terminal
The step of one base station, the spectrum scan result to the second sets of subbands is reported to the second base station in second community by second terminal
Specifically: the first terminal is detecting the interference strength on the current sub-band in the first sets of subbands higher than interference threshold
When, the spectrum scan result of current sub-band is reported to the first base station in first community, the second terminal is detecting
When the interference strength on current sub-band in two sets of subbands is higher than interference threshold, the spectrum scan result of current sub-band is reported
To the second base station in second community.
Preferably, the one or more of the close second community in the first base station configuration first community in first community
First terminal carries out spectrum scan to the first sets of subbands, in the second base station configuration second community in first community close to the
Before the step of one or more second terminals of one cell carry out spectrum scan to the second sets of subbands, the minizone cooperation
Spectrum scan method further include: the first base station and the second base station carry out information exchange, with determination first sets of subbands,
Second sets of subbands, base station information interaction period and interference threshold.
Preferably, the first base station and the second base station carry out the process of information exchange are as follows: the first base station is to second
Base station sends the cooperation request of minizone spectrum scan, and the minizone spectrum scan cooperation request includes close to the one of second community
The status information of a or multiple first terminals；Second base station is responded to first base station feedback minizone spectrum scan cooperation,
The minizone spectrum scan cooperation response includes the status information of one or more second terminals close to first community；It is described
First base station is based on minizone spectrum scan and cooperates in response to determining that the first sets of subbands and the second sets of subbands, and to the second base station
Minizone spectrum scan task distribution request is sent, minizone spectrum scan task distribution request includes first sets of subbands
With the second sets of subbands and base station information interaction period, interference threshold；If the minizone frequency spectrum is agreed in the second base station
Scan task distribution request, then to first base station feedback acknowledgment information, otherwise frequency spectrum is swept between feedback refusal information or alternative cell
Retouch task.
Preferably, the spectrum scan result of current sub-band includes the sub-band serial number, interference strength and interference letter of current sub-band
Number bandwidth.
It is in contrast to the prior art, the beneficial effects of the present invention are: terminal is respectively configured by two adjacent cells
Spectrum scan is carried out to two different sets of subbands, the terminal of two cells reports the spectrum scan result to sets of subbands
To respective base station, the spectrum scan of two sets of subbands is shared as a result, when so as to shorten spectrum scan in two base stations again
Between, spectrum scan efficiency is improved, while reducing the power consumption that terminal carries out spectrum scan.
Detailed description of the invention
Fig. 1 is the process of the minizone collaboration frequency spectrum scan method in the electric power wireless communication system of one embodiment of the invention
Schematic diagram.
Fig. 2 is that the signaling of the minizone collaboration frequency spectrum scan method in the electric power wireless communication system of the embodiment of the present invention is handed over
Mutual schematic diagram.
Fig. 3 is the stream of the minizone collaboration frequency spectrum scan method in the electric power wireless communication system of another embodiment of the present invention
Journey schematic diagram.
Specific embodiment
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 description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Refering to fig. 1, be one embodiment of the invention electric power wireless communication system in minizone collaboration frequency spectrum scan method
Flow diagram.The minizone collaboration frequency spectrum scan method of the present embodiment includes:
S1: the one or more first of the close second community in first base station configuration first community in first community is eventually
End carries out spectrum scan to the first sets of subbands, the close first community in the second base station configuration second community in second community
One or more second terminals to the second sets of subbands carry out spectrum scan, wherein the first sets of subbands and the second subband set
Sub-band serial number in conjunction is not identical, and the intersection of the first sets of subbands and the second sets of subbands is empty set.
In the present embodiment, the position of all terminals in each cell is fixed, these terminals are, for example, intelligence
Ammeter, and the status information of all first terminals and second terminal has been known in first base station and the second base station in advance, and
Default first sets of subbands and the second sets of subbands.Status information includes but is not limited to geographical location, power, radio frequency bandwidth, industry
Business period, transfer resource of occupancy etc..
Due to the usual more than one of terminal quantity in cell, in order to increase spectrum scan efficiency, in the present embodiment, such as
Fruit close to second community first terminal be it is multiple, then the first sets of subbands is divided into multiple first subband subsets by first base station,
And it configures multiple first terminals and spectrum scan is carried out to multiple first subband subsets respectively；If second close to first community is whole
It is multiple for holding, then the second sets of subbands is divided into multiple second subband subsets by the second base station, and configures multiple second terminals difference
Spectrum scan is carried out to multiple second subband subsets.
Wherein, the union of all first subband subsets is the first sets of subbands, and the unions of all second subband subsets is the
Two sets of subbands.The quantity of first subband subset can be consistent with the quantity of first terminal, and the quantity of the second subband subset can be with
It is consistent with the quantity of second terminal.
S2: the spectrum scan result to the first sets of subbands is reported to first base station by first terminal, and second terminal will be right
The spectrum scan result of second sets of subbands is reported to the second base station.
Wherein, first terminal and/or mode reported by the second terminal can reporting for periodic or event triggering property.
Specifically, if reporting schemes are periodically to report, step S2 specifically: first terminal periodically will be to the
The spectrum scan result of one sets of subbands is reported to the first base station in first community, and second terminal periodically will be to the second son
Spectrum scan result with set is reported to the second base station in second community.
If reporting schemes are event, triggering property is reported, step S2 specifically: first terminal is detecting the first subband set
When the interference strength on current sub-band in conjunction is higher than interference threshold, it is small that the spectrum scan result of current sub-band is reported to first
First base station in area, the second terminal are detecting that it is dry that the interference strength on the current sub-band in the second sets of subbands is higher than
When disturbing threshold value, the spectrum scan result of current sub-band is reported to the second base station in second community.Wherein, the frequency of current sub-band
Spectrum scanning result includes but is not limited to the sub-band serial number, interference strength and jamming signal bandwidth of current sub-band.
S3: the spectrum scan result of the first sets of subbands is sent to the second base station by first base station, and the second base station is by second
The spectrum scan result of sets of subbands is sent to first base station.
Wherein, if first terminal and second terminal periodically report spectrum scan as a result, if first base station be based on the
The spectrum scan that one terminal reports is as a result, the second base station periodically can be sent to by spectrum scan result；Second base station base
In spectrum scan reported by the second terminal as a result, first base station periodically can also be sent to spectrum scan result.
If reporting spectrum scan as a result, when first terminal detects height to first terminal and second terminal event triggering property
Intensity interference, and after reporting the spectrum scan result of current sub-band, first base station is immediately by the spectrum scan result of current sub-band
It is sent to the second base station.Likewise, when second terminal detects high-intensitive interference, and report the spectrum scan result of current sub-band
Afterwards, the spectrum scan result of current sub-band is sent to first base station immediately by the second base station.
The Signalling exchange of the minizone collaboration frequency spectrum scan method of the present embodiment is as shown in Figure 2.
It is the minizone collaboration frequency spectrum scanning side in the electric power wireless communication system of another embodiment of the present invention referring to Fig. 3
The flow diagram of method.In the present embodiment, each terminal location in cell is unfixed.It assists the minizone of the present embodiment
The difference for making the minizone collaboration frequency spectrum scan method of spectrum scan method and previous embodiment is, small before step S1
Section collaboration frequency spectrum scan method further include:
S4: first base station and the second base station carry out information exchange, to determine the first sets of subbands, the second sets of subbands, base
It stands information interaction period and interference threshold.
Specifically, first base station and the second base station carry out the process of information exchange are as follows:
First base station sends the cooperation request of minizone spectrum scan, minizone spectrum scan cooperation request packet to the second base station
Include the status information of one or more first terminals close to second community；
Second base station is responded to first base station feedback minizone spectrum scan cooperation, minizone spectrum scan cooperation response bag
Include the status information of one or more second terminals close to first community；
First base station is based on minizone spectrum scan and cooperates in response to determining that the first sets of subbands and the second sets of subbands, and to
Second base station sends minizone spectrum scan task distribution request, and minizone spectrum scan task distribution request includes described first
Sets of subbands and the second sets of subbands and base station information interaction period, interference threshold；
If minizone spectrum scan task distribution request is agreed in the second base station, to first base station feedback acknowledgment information,
Otherwise spectrum scan task between feedback refusal information or alternative cell.
Further, for spectrum scan task between the alternative cell of the second base station feedback, it is true that first base station continues feedback
Recognize information or refusal information.
By the above-mentioned means, the minizone collaboration frequency spectrum scan method in the electric power wireless communication system of the embodiment of the present invention
In, terminal is respectively configured by two adjacent cells, spectrum scan, the end of two cells are carried out to two different sets of subbands
Spectrum scan result to sets of subbands is reported to respective base station by end, and the frequency spectrum of two sets of subbands is shared in two base stations again
Scanning result improves spectrum scan efficiency so as to shorten the spectrum scan time, while reducing terminal and carrying out spectrum scan
Power consumption.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (7)
1. the minizone collaboration frequency spectrum scan method in a kind of electric power wireless communication system characterized by comprising
One or more first terminals of the close second community in first base station configuration first community in first community are to the
One sets of subbands carries out spectrum scan, and one of the close first community in the second base station configuration second community in second community
Or multiple second terminals carry out spectrum scan to the second sets of subbands, wherein in the first sets of subbands and the second sets of subbands
Sub-band serial number is not identical, and the intersection of the first sets of subbands and the second sets of subbands is empty set；
Spectrum scan result to the first sets of subbands is reported to first base station by first terminal, and second terminal will be to the second subband
The spectrum scan result of set is reported to the second base station；
The spectrum scan result of first sets of subbands is sent to the second base station by first base station, and the second base station is by the second sets of subbands
Spectrum scan result be sent to first base station.
2. collaboration frequency spectrum scan method in minizone according to claim 1, which is characterized in that if close to second community
First terminal be it is multiple, then first sets of subbands is divided into multiple first subband subsets by the first base station, and configures institute
It states multiple first terminals and spectrum scan is carried out to the multiple first subband subset respectively；
If close to first community second terminal be it is multiple, second sets of subbands is divided into multiple by second base station
Second subband subset, and configure the multiple second terminal and spectrum scan is carried out to the multiple second subband subset respectively.
3. collaboration frequency spectrum scan method in minizone according to claim 2, which is characterized in that the first terminal will be to
The spectrum scan result of one sets of subbands is reported to the first base station in first community, and second terminal will be to the second sets of subbands
Spectrum scan result is reported to the step of the second base station in second community specifically:
Spectrum scan result to the first sets of subbands is periodically reported to the first base station in first community by first terminal,
Spectrum scan result to the second sets of subbands is periodically reported to the second base station in second community by second terminal.
4. collaboration frequency spectrum scan method in minizone according to claim 2, which is characterized in that the first terminal will be to
The spectrum scan result of one sets of subbands is reported to the first base station in first community, and second terminal will be to the second sets of subbands
Spectrum scan result is reported to the step of the second base station in second community specifically:
The first terminal, will when detecting that the interference strength on the current sub-band in the first sets of subbands is higher than interference threshold
The spectrum scan result of current sub-band is reported to the first base station in first community, and the second terminal is detecting the second subband
When the interference strength on current sub-band in set is higher than interference threshold, the spectrum scan result of current sub-band is reported to second
The second base station in cell.
5. collaboration frequency spectrum scan method in minizone according to any one of claims 1 to 4, which is characterized in that small first
One or more first terminals of the close second community in first base station configuration first community in area are to the first sets of subbands
Spectrum scan is carried out, the one or more second of the close first community in the second base station configuration second community in first community
Before the step of terminal carries out spectrum scan to the second sets of subbands, the minizone collaboration frequency spectrum scan method further include:
The first base station and the second base station carry out information exchange, with determination first sets of subbands, the second sets of subbands, base
It stands information interaction period and interference threshold.
6. collaboration frequency spectrum scan method in minizone according to claim 5, which is characterized in that the first base station and second
The process of base station progress information exchange are as follows:
The first base station sends the cooperation request of minizone spectrum scan to the second base station, and the minizone spectrum scan cooperation is asked
Seek the status information including one or more first terminals close to second community；
Second base station is rung to first base station feedback minizone spectrum scan cooperation response, the minizone spectrum scan cooperation
It should include the status information of one or more second terminals close to first community；
The first base station is based on minizone spectrum scan and cooperates in response to determining that the first sets of subbands and the second sets of subbands, and to
Second base station sends minizone spectrum scan task distribution request, and minizone spectrum scan task distribution request includes described first
Sets of subbands and the second sets of subbands and base station information interaction period, interference threshold；
If the minizone spectrum scan task distribution request is agreed in the second base station, to first base station feedback acknowledgment information,
Otherwise spectrum scan task between feedback refusal information or alternative cell.
7. collaboration frequency spectrum scan method in minizone according to claim 4, which is characterized in that the spectrum scan of current sub-band
It as a result include sub-band serial number, interference strength and the jamming signal bandwidth of current sub-band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910264003.9A CN109951241A (en) | 2019-04-03 | 2019-04-03 | A kind of minizone collaboration frequency spectrum scan method in electric power wireless communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910264003.9A CN109951241A (en) | 2019-04-03 | 2019-04-03 | A kind of minizone collaboration frequency spectrum scan method in electric power wireless communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109951241A true CN109951241A (en) | 2019-06-28 |
Family
ID=67012502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910264003.9A Pending CN109951241A (en) | 2019-04-03 | 2019-04-03 | A kind of minizone collaboration frequency spectrum scan method in electric power wireless communication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109951241A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022001144A1 (en) * | 2020-06-30 | 2022-01-06 | 华为技术有限公司 | Inter-system interference avoidance method, device and system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102209328A (en) * | 2010-03-31 | 2011-10-05 | 上海贝尔股份有限公司 | Shared cooperated frequency spectrum perception method, perception node and convergence center for perceived wireless network |
| US20120087430A1 (en) * | 2004-04-02 | 2012-04-12 | Antonio Forenza | Systems and methods to exploit areas of coherence in wireless systems |
| US20180152846A1 (en) * | 2015-09-15 | 2018-05-31 | Sony Corporation | Spectrum management apparatus and method, apparatus and method for base station side and user device side |
| CN109088687A (en) * | 2018-09-29 | 2018-12-25 | 中国科学院上海微系统与信息技术研究所 | A kind of spectrum scan mode configuration method |
| CN109548158A (en) * | 2019-01-09 | 2019-03-29 | 北京北方烽火科技有限公司 | High band wave beam management method and wireless communication system |
-
2019
- 2019-04-03 CN CN201910264003.9A patent/CN109951241A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120087430A1 (en) * | 2004-04-02 | 2012-04-12 | Antonio Forenza | Systems and methods to exploit areas of coherence in wireless systems |
| CN102209328A (en) * | 2010-03-31 | 2011-10-05 | 上海贝尔股份有限公司 | Shared cooperated frequency spectrum perception method, perception node and convergence center for perceived wireless network |
| US20180152846A1 (en) * | 2015-09-15 | 2018-05-31 | Sony Corporation | Spectrum management apparatus and method, apparatus and method for base station side and user device side |
| CN109088687A (en) * | 2018-09-29 | 2018-12-25 | 中国科学院上海微系统与信息技术研究所 | A kind of spectrum scan mode configuration method |
| CN109548158A (en) * | 2019-01-09 | 2019-03-29 | 北京北方烽火科技有限公司 | High band wave beam management method and wireless communication system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022001144A1 (en) * | 2020-06-30 | 2022-01-06 | 华为技术有限公司 | Inter-system interference avoidance method, device and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Li et al. | Smart choice for the smart grid: Narrowband Internet of Things (NB-IoT) | |
| CN103346846A (en) | Communication channel stimulation system of electricity consumption information collection system | |
| CN102948204A (en) | Relay device, relay method, wireless communication system, base station and wireless communication device | |
| Barriquello et al. | Performance assessment of a low power wide area network in rural smart grids | |
| CN106160790A (en) | A kind of power line carrier and the method and system of micropower wireless fusion secure communication | |
| CN103718534A (en) | Dynamic medium switch in co-located plc and RF networks | |
| CN101827386B (en) | Method, system and related device for adjusting transmitting power | |
| CN103634799A (en) | Cognitive radio system-based spectrum allocation method and equipment | |
| CN103731249B (en) | Digital communication method and device for improving intelligent power grid communication reliability | |
| CN109088687A (en) | A kind of spectrum scan mode configuration method | |
| CN103220684B (en) | A kind of method of mobile communication, equipment and system covered based on common cell signal | |
| Omri et al. | PLC channel selection schemes for OFDM-based NB-PLC systems | |
| CN109640391A (en) | Synchronization signal and broadcast channel switching method in a kind of electric power wireless communication system | |
| CN109951241A (en) | A kind of minizone collaboration frequency spectrum scan method in electric power wireless communication system | |
| US9549407B2 (en) | Wireless device with opportunistic band access | |
| CN102084672B (en) | Method for coordinated multi point communication and device therefor | |
| US6674997B2 (en) | AM band transmission using multi-tone modulation | |
| CN203554462U (en) | Communication channel stimulation system of electricity consumption information collection system | |
| CN102647720B (en) | System and method for sub-band frequency hopping external interference avoidance based on long term evolution (LTE) | |
| CN102685908A (en) | Method and device for configuring MIMO (multiple input multiple output) mode | |
| CN109874138A (en) | Channel measuring method | |
| CN101917731B (en) | Method, system, network equipment and terminal equipment for transmitting cognitive network information | |
| CN108900325A (en) | A kind of suitability appraisal procedure of energy communication service and wireless private network technology | |
| CN107566060A (en) | A kind of adaptive channel allocation method in intelligent grid communication | |
| Zhu et al. | Hybrid Wireless-Power Line Communications for Indoor IoT Networks |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190628 |
|
| RJ01 | Rejection of invention patent application after publication |