CN103209148A - Cascading background noise suppression device, system and method of uplink - Google Patents
Cascading background noise suppression device, system and method of uplink Download PDFInfo
- Publication number
- CN103209148A CN103209148A CN2013101049788A CN201310104978A CN103209148A CN 103209148 A CN103209148 A CN 103209148A CN 2013101049788 A CN2013101049788 A CN 2013101049788A CN 201310104978 A CN201310104978 A CN 201310104978A CN 103209148 A CN103209148 A CN 103209148A
- Authority
- CN
- China
- Prior art keywords
- integrated service
- module
- end unit
- far
- uplink
- 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
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
A cascading background noise suppression device of an uplink comprises a statistic module, a control module and a variable gain module, wherein the statistic module is used for conducting statistics on quantities of integrated service remote units, the control module is used for summing quantities of integrated service remote units counted by the statistic module, and the variable gain module is used for reducing gains of the uplink according to summed quantities of integrated service remote units under the control of the control module. Simultaneously, the invention discloses an uplink cascading background noise suppression system containing the device and a method for achieving cascading background noise suppression of the uplink through the device.
Description
[technical field]
The present invention relates to the mobile communication technology field, be specifically related to the technology that the stack of making an uproar at the bottom of the cascade of house type digital direct discharging station up link is gone in a kind of inhibition, relate more specifically to make an uproar at the bottom of a kind of cascade of up link restraining device, system and method.
[background technology]
Direct discharging station has the low and characteristics in increase coverage territory rapidly of cost of investment, therefore becomes an indispensable part in radio network optimization and covering.
Digital optical fiber direct station is a kind of novel direct discharging station, it is because adopt advanced Digital Signal Processing and digital signal optical fiber transmission technique, thereby can realize the long-distance transmissions of multi-carrier mobile communication signal and the signal covering of capacity, great dynamic range greatly, and then become the main equipment of repeater soverlay technique gradually.
Digital optical fiber direct station generally includes the incoming end and the capped end of while with incoming end and portable terminal two-way communication that carries out two-way communication with the base station.Signals transmission from from incoming end to capped end is called down link; And the process of transmission signal is called up link from capped end to incoming end.Portable terminal sends to the base station by up link and inserts request signal, and the various requests of portable terminal are then replied in the base station by down link.
In the digital optical fiber direct station technical field, an incoming end communicates with the capped end of a plurality of capped ends such as cascade usually.As everyone knows, a large amount of portable terminals sends to the base station when inserting request signal by up link via the capped end of One's name is legion, will inevitably cause that a plurality of capped ends that cascade up move the stack of the upstream noise that causes simultaneously, this noise stack has increased the end noise cancellation signal intensity of up link greatly, and then has disturbed the operate as normal of base station.
For this reason, existing digital optical fiber direct station has increased the end inhibit feature of making an uproar, in order to improve this kind situation.But, the inhibition technology of making an uproar at the bottom of the cascade of existing digital high-frequency amplification station up link mainly is that uplink communication signal is carried out the intermediate frequency digital processing, secondly the signal after the above-mentioned intermediate frequency process is sampled, then above-mentioned sampled signal and known threshold signal are compared.If sampled signal is higher than this threshold signal, just illustrate to have useful signal in the uplink communication signal, so just directly export this signal; If sampled signal is lower than this threshold signal, just illustrate in the uplink communication signal it all is end noise cancellation signal after the stack of capped end of cascade, so just close up transmission channel, thereby realize suppressing the purpose of stack end noise cancellation signal.
This brings many problems.Such as, maximum problem is the erroneous judgement that causes uplink communication signal easily.Because diversity and the complexity of uplink communication signal, the inhibition technology of making an uproar at the bottom of the existing stack very easily cause erroneous judgement, and then produce the phenomenon of frequent switch upward signal transmission channel in the short time, had a strong impact on communication quality.Secondly, when all capped ends all during useful upward signal, the inhibition technology of making an uproar of the existing end just can not realize the inhibition of making an uproar at the bottom of the cascade, can raise the receiving sensitivity of base station on the contrary, thereby influence the operate as normal of base station.
[summary of the invention]
One object of the present invention is to provide a kind of device, system and method for making an uproar at the bottom of the cascade of can suppressing accurately, reliably.
For realizing this purpose, the present invention adopts following technical scheme:
The restraining device of making an uproar at the bottom of a kind of cascade of up link comprises: the statistical module that is used for statistics integrated service far-end unit quantity; Be used for the control module that the quantity with the integrated service far-end unit of described statistical module counts gathers; And in the variable gain module that reduces uplink gain under the control of described control module according to the integrated service far-end unit quantity after gathering.
Described statistical module comprises whether whether normally synchronous same step platform reaches for judging the synchronous integrated service far-end unit monitor supervision platform of operation for the uplink downlink of judging the integrated service far-end unit.
Described variable gain module is 10log N with the quantity that uplink gain reduces, and wherein, N is the quantity of the integrated service far-end unit after gathering.
The inhibition system that makes an uproar at the bottom of a kind of cascade of up link is provided simultaneously, comprises:
The integrated service expanding element of mutual cascade, described each integrated service expanding element have for the statistical module of statistics with the integrated service far-end unit quantity of its two-way communication; And
With the integrated service access unit of described integrated service expanding element two-way communication, it has the control module that the quantity for the integrated service far-end unit that the statistical module of all integrated service expanding elements is added up gathers and gather the variable gain module that quantity reduces uplink gain according to this under the control of described control module.
In addition, the present invention further provides the inhibition method of making an uproar at the bottom of a kind of cascade of up link, may further comprise the steps:
Statistical module, control module and variable gain module are provided;
Quantity by described statistical module counts integrated service far-end unit;
The quantity of the integrated service far-end unit of described statistical module being added up by described control module gathers; And
Under the control of described control module, gather quantity according to this by described variable gain module and reduce uplink gain.
Wherein, provide the step of statistical module to comprise the step that has with the statistical module of step platform and monitor supervision platform is provided.
Wherein, whether normally the step by described statistical module counts integrated service far-end unit quantity comprises by described and judges with step platform whether the uplink downlink of integrated service far-end unit reaches synchronously by described monitor supervision platform and judge the synchronous integrated service far-end unit step of operation.
Wherein, described control module step that the quantity of integrated service far-end unit is gathered comprises the step of quantity that communicates to obtain the integrated service access unit of its subordinate's integrated service expanding element by the statistical module in the integrated service expanding element of described control module and its subordinate.
Wherein, the step that described variable gain module reduces uplink gain comprises by described variable gain module uplink gain is reduced 10log N that wherein, N is the quantity of the integrated service far-end unit after gathering.
Compared with prior art, the present invention possesses following advantage:
Calculate the quantity of integrated service far-end unit by statistical module, the quantity of the integrated service far-end unit that described control module is added up the statistical module of all integrated service expanding elements again gathers, and gathers quantity according to this by variable gain module under the control of control module and reduces uplink gain.The quantity that uplink gain reduces is identical with the amount of raising of making an uproar at the bottom of the cascade just, and therefore the reduction amount that gains has just in time been offset the amount of raising of making an uproar at the end.So, from actual effect, be equivalent to fundamentally eliminate the harmful effect to the base station that the stack of making an uproar at the bottom of the cascade brings, guaranteed normal, the stable operation of whole repeater.
[description of drawings]
Make an uproar at the bottom of the cascade of Fig. 1 for the up link according to an embodiment of the invention allomeric function module map of restraining device; And
The allomeric function module map of the inhibition system that makes an uproar at the bottom of the cascade of Fig. 2 for up link according to an embodiment of the invention.
[embodiment]
The invention provides make an uproar at the bottom of a kind of cascade of up link restraining device, system and method.In the present invention, detect accurately in real time by the quantity to the integrated service far-end unit, calculate amount of gain according to the quantity of the far-end unit of effective operation, and increase the gain of up link accordingly, and then suppress to make an uproar at the bottom of the cascade of up link.
The quantity that the present invention is directed to equipment detects, rather than as prior art, detects at uplink communication signal, therefore is not subjected to the influence of signal of communication fully.In other words, no matter whether there is uplink communication signal,, causes far-end unit the end stack of making an uproar as long as existing cascade, then technical scheme provided by the invention just can be made an uproar the end of to and be suppressed, suppress the purpose of stack of making an uproar at the bottom of the cascade to reach, and then the appearance of the problem of having avoided the end of communication equipment cascade stack to make an uproar influencing the base station.
The present invention is further illustrated below in conjunction with drawings and Examples:
With reference to Fig. 1-2, according to one embodiment of present invention, the restraining device of making an uproar at the bottom of a kind of cascade of up link is used for effectively suppressing make an uproar at the bottom of by the caused up link of the cascade of integrated service expanding element 102 problem of stack of from integrated service far-end unit 103 to the base station 104 uplink communication links that carry out.
The restraining device of making an uproar at the bottom of the cascade of described up link comprises:
The statistical module 110 that is used for statistics integrated service far-end unit 103 quantity;
Be used for the control module 108 that the quantity with the integrated service far-end unit 103 of described statistical module 110 statistics gathers; And
In the variable gain module 109 that reduces uplink gain under the control of described control module 108 according to the integrated service far-end unit quantity after gathering.
Described statistical module 110 comprises whether whether normally synchronous same step platform (not shown) reaches for judging the synchronous integrated service far-end unit 103 monitor supervision platform (not shown) of operation for the uplink downlink of judging integrated service far-end unit 103.
Described variable gain module 109 is log N with the quantity that uplink gain reduces, and wherein, N is the quantity of the integrated service far-end unit 103 after gathering.
The present invention provides the inhibition system that makes an uproar at the bottom of a kind of cascade of the up link that comprises above-mentioned each module (that is above-mentioned whole device) simultaneously.With reference to figure 2, this system comprises:
The integrated service expanding element 102 of mutual cascade, described each integrated service expanding element 102 have for the statistical module 110 of statistics with integrated service far-end unit 103 quantity of its two-way communication; And
With the integrated service access unit 101 of described integrated service expanding element 102 two-way communications, it has the control module 108 that the quantity for the integrated service far-end unit 103 that the statistical module 110 of all integrated service expanding elements 102 is added up gathers and gather the variable gain module 109 that quantity reduces uplink gain according to this under the control of described control module 108.
Described statistical module 110 by and integrated service far-end unit 103 communicate to judge to have between what integrated service far-end units 103 and the integrated service expanding element 102 and have normal uplink and downlink communication, and the monitoring parameter of the integrated service far-end unit 103 that all are synchronous is normal, thereby judges corresponding integrated service expanding element 102 and what integrated service far-end unit 103 two-way communications.
Particularly, described statistical module 110 comprises whether whether normally synchronous same step platform reaches for judging synchronous integrated service far-end unit 103 monitor supervision platform of operation for the uplink downlink of judging integrated service far-end unit 103.
The statistics of 110 pairs of remote equipments of described statistical module (that is, the integrated service far-end unit 103) quantity was divided into for two steps: the first step is by judging with step platform whether the remote equipment up-downgoing is synchronous; Second step was judged whether operate as normal of synchronous remote equipment by monitor supervision platform.Deciding remote equipment by above two steps judgement is the remote equipment of operate as normal.This two step repeatedly judges to guarantee the accuracy of statistical magnitude within a certain period of time.
Secondly, described control module 108 by with the integrated service expanding element 102 of its subordinate in statistical module 110 communicate to obtain the quantity of the integrated service far-end unit 103 of its subordinate's integrated service expanding element 102.
Then, described control module 108 gathers the quantity of above-mentioned all integrated service far-end units 103.
For the accuracy of statistical magnitude, described control module 108 can drive all statistical modules 110 and repeatedly add up to determine the result in the interval at a fixed time.The length in the time interval depends on stability and the accuracy of the synchronization mechanism of native system.
Described variable gain module 109 gathers quantity according to this and reduces uplink gain under the control of described control module 108.Particularly, the quantity of supposing the integrated service far-end unit 103 that described control module 108 gathers is N, and then according to the rule of the stack of making an uproar at the bottom of the equipment cascading, the amount of raising of making an uproar at the bottom of the system is L=10log N.According to the formula of making an uproar at the bottom of the active equipment: Level=-174+10logBW+Gain+Noise, wherein, BW is signal bandwidth, and Gain is the up gain of equipment, and Noise is the equipment upstream noise.Therefore up gain reduces the amount of raising that corresponding amount is made an uproar at the bottom of both can bucking-out system to equipment, so the change in gain value is G=10log N.In other words, described variable gain module 109 reduces G=10log N with uplink gain.
In the gain adjustment process, should be noted that 2 points: one need guarantee that the upstream noise of system remains unchanged when adjusting up gain; They are two years old, it is integer that the numeral that G=10log N obtains is difficult to, can carry out some adjustment to formula according to the change in gain unit of concrete device, for example, if the variable gain module that adopts is to be stepping with 1dB, then above-mentioned amount of gain adjustment formula can be modified to G=int (10logN), that is, get the integer of this formula result of calculation as amount of gain adjustment.
The quantity that the present invention is directed to equipment detects, rather than as prior art, detects at uplink communication signal, therefore is not subjected to the influence of signal of communication fully.In other words, no matter whether there is uplink communication signal,, causes far-end unit the end stack of making an uproar as long as existing cascade, then technical scheme provided by the invention just can be made an uproar the end of to and be suppressed, suppress the purpose of stack of making an uproar at the bottom of the cascade to reach, and then the appearance of the problem of having avoided the end of repeater cascade stack to make an uproar influencing the base station.
In addition, the present invention still has following tangible advantage:
1, need not to distinguish communication standard, need not signal of communication is identified processing, only needs communication equipment quantity is added up, the mode that suppresses of therefore realizing making an uproar at the bottom of the cascade is simple, reliably.
2, the quantity of communication equipment is added up is to realize with the basis of step platform and the dual judgement of monitor supervision platform to the technical program, accurately, reliable.Therefore, can not cause communication disruption even the statistic bias of number of devices occurs yet, more can not make a very bad impression to communication.
In addition, the present invention further provides the inhibition method of making an uproar at the bottom of a kind of cascade of up link, may further comprise the steps:
Above-mentioned statistical module, control module and variable gain module are provided;
Quantity by described statistical module counts integrated service far-end unit;
The quantity of the integrated service far-end unit of described statistical module being added up by described control module gathers; And
Under the control of described control module, gather quantity according to this by described variable gain module and reduce uplink gain.
Preferably, provide the step of statistical module to comprise the step that has with the statistical module of step platform and monitor supervision platform is provided.
Preferably, whether normally the step by described statistical module counts integrated service far-end unit quantity comprises by described and judges with step platform whether the uplink downlink of integrated service far-end unit reaches synchronously by described monitor supervision platform and judge the synchronous integrated service far-end unit step of operation.
Wherein, described control module step that the quantity of integrated service far-end unit is gathered comprises the step of quantity that communicates to obtain the integrated service access unit of its subordinate's integrated service expanding element by the statistical module in the integrated service expanding element of described control module and its subordinate.
Wherein, the step that described variable gain module reduces uplink gain comprises by described variable gain module uplink gain is reduced 10log N that wherein, N is the quantity of the integrated service far-end unit after gathering.
For the accuracy of statistical magnitude, described control module 108 can drive all statistical modules 110 and repeatedly add up to determine the result in the interval at a fixed time.The length in the time interval depends on stability and the accuracy of the synchronization mechanism of native system.
The step that described variable gain module 109 reduces uplink gain comprises by described variable gain module 109 uplink gain is reduced 10log N that wherein, N is the quantity of the integrated service far-end unit 103 after gathering.
Therefore just as noted earlier, the quantity that the present invention is directed to equipment detects, rather than detects (prior art) at uplink communication signal, and the inhibition method of making an uproar is not subjected to the influence of signal of communication at the whole end.
Therefore; embodiment is preferred implementation of the present invention; but not merely be restricted to the described embodiments; other any do not deviate from change, the modification done under spiritual essence of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, all be included within protection scope of the present invention.
Claims (9)
1. the restraining device of making an uproar at the bottom of the cascade of a up link is characterized in that comprising:
The statistical module that is used for statistics integrated service far-end unit quantity;
Be used for the control module that the quantity with the integrated service far-end unit of described statistical module counts gathers; And
In the variable gain module that reduces uplink gain under the control of described control module according to the integrated service far-end unit quantity after gathering.
2. device according to claim 1 is characterized in that: whether normally described statistical module comprises for the uplink downlink of judging the integrated service far-end unit synchronous same step platform and be used for judging the synchronous integrated service far-end unit monitor supervision platform of operation whether.
3. device according to claim 1 is characterized in that: described variable gain module is 10log N with the quantity that uplink gain reduces, and wherein, N is the quantity of the integrated service far-end unit after gathering.
4. the inhibition system that makes an uproar at the bottom of the cascade of a up link is characterized in that comprising:
The integrated service expanding element of mutual cascade, described each integrated service expanding element have for the statistical module of statistics with the integrated service far-end unit quantity of its two-way communication; And
With the integrated service access unit of described integrated service expanding element two-way communication, it has the control module that the quantity for the integrated service far-end unit that the statistical module of all integrated service expanding elements is added up gathers and gather the variable gain module that quantity reduces uplink gain according to this under the control of described control module.
5. the inhibition method of making an uproar at the bottom of the cascade of a up link is characterized in that may further comprise the steps:
Statistical module, control module and variable gain module are provided;
Quantity by described statistical module counts integrated service far-end unit;
The quantity of the integrated service far-end unit of described statistical module being added up by described control module gathers; And
Under the control of described control module, gather quantity according to this by described variable gain module and reduce uplink gain.
6. method according to claim 5 is characterized in that: provide the step of statistical module to comprise the step that has with the statistical module of step platform and monitor supervision platform is provided.
7. method according to claim 6 is characterized in that: whether normally the step by described statistical module counts integrated service far-end unit quantity comprises by described judges with step platform whether the uplink downlink of integrated service far-end unit reaches synchronously by described monitor supervision platform and judges the synchronous integrated service far-end unit step of operation.
8. method according to claim 7 is characterized in that: the step that described control module gathers the quantity of integrated service far-end unit comprises the step of quantity that communicates to obtain the integrated service access unit of its subordinate's integrated service expanding element by the statistical module in the integrated service expanding element of described control module and its subordinate.
9. method according to claim 8, it is characterized in that: the step that described variable gain module reduces uplink gain comprises by described variable gain module uplink gain is reduced 10log N, wherein, N is the quantity of the integrated service far-end unit after gathering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101049788A CN103209148A (en) | 2013-03-28 | 2013-03-28 | Cascading background noise suppression device, system and method of uplink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101049788A CN103209148A (en) | 2013-03-28 | 2013-03-28 | Cascading background noise suppression device, system and method of uplink |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103209148A true CN103209148A (en) | 2013-07-17 |
Family
ID=48756236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101049788A Pending CN103209148A (en) | 2013-03-28 | 2013-03-28 | Cascading background noise suppression device, system and method of uplink |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103209148A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108521657A (en) * | 2018-03-28 | 2018-09-11 | 京信通信系统（中国）有限公司 | Multi-service digital distribution system uplink bottom is made an uproar optimization method, device and system |
| CN110572224A (en) * | 2019-08-22 | 2019-12-13 | 三维通信股份有限公司 | Method, device, system and readable storage medium for reducing base station receiving background noise |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944943A (en) * | 2009-07-03 | 2011-01-12 | 华为技术有限公司 | Uplink signal processing method and device |
| CN102170690A (en) * | 2011-04-20 | 2011-08-31 | 京信通信系统（中国）有限公司 | A gain control method of a WCDMA radio remote unit |
| CN102970260A (en) * | 2012-12-24 | 2013-03-13 | 京信通信系统（中国）有限公司 | Noise suppression method, device and LTE (long term evolution) digital microwave remote radio coverage system |
-
2013
- 2013-03-28 CN CN2013101049788A patent/CN103209148A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944943A (en) * | 2009-07-03 | 2011-01-12 | 华为技术有限公司 | Uplink signal processing method and device |
| CN102170690A (en) * | 2011-04-20 | 2011-08-31 | 京信通信系统（中国）有限公司 | A gain control method of a WCDMA radio remote unit |
| CN102970260A (en) * | 2012-12-24 | 2013-03-13 | 京信通信系统（中国）有限公司 | Noise suppression method, device and LTE (long term evolution) digital microwave remote radio coverage system |
Non-Patent Citations (1)
| Title |
|---|
| 张强: "WCDMA直放站上行增益及上行噪声的计算", 《豆丁网，HTTP://WWW.DOCIN.COM/P-95449630.HTML》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108521657A (en) * | 2018-03-28 | 2018-09-11 | 京信通信系统（中国）有限公司 | Multi-service digital distribution system uplink bottom is made an uproar optimization method, device and system |
| CN108521657B (en) * | 2018-03-28 | 2021-05-28 | 京信通信系统（中国）有限公司 | Uplink background noise optimization method, device and system for multi-service digital distribution system |
| CN110572224A (en) * | 2019-08-22 | 2019-12-13 | 三维通信股份有限公司 | Method, device, system and readable storage medium for reducing base station receiving background noise |
| CN110572224B (en) * | 2019-08-22 | 2022-03-15 | 三维通信股份有限公司 | Method, device, system and readable storage medium for reducing base station receiving background noise |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101087450B (en) | Wireless basic station testing device | |
| EP2496027B1 (en) | Method, control equipment and communication system for dynamically adjusting transmission power | |
| EP2421175A1 (en) | User terminal pairing method and device in multi-user multiple input multiple output | |
| CN101202573B (en) | Intelligent straight placement station and parameter automatic adjustment method | |
| CN101998464A (en) | Random access parameter automatic optimization method, system and equipment | |
| EP3874791A1 (en) | Handling of deteriorating ap-to-ap wireless link | |
| CN102625435A (en) | Automatic gain control (AGC) device for global system for mobile communication (GSM) digital optical fiber frequency-selecting repeater and quick adaptive time slot method for AGC device | |
| CN102104895B (en) | Dynamic simulation method and device aiming at coexistence of system interference | |
| CN103209148A (en) | Cascading background noise suppression device, system and method of uplink | |
| CN105656568A (en) | Method and device for searching wireless electromagnetic ambient interference on high speed railway | |
| KR20000072944A (en) | Method for limiting reverse call in mobile telecommunication base station | |
| EP3141081B1 (en) | Method and node for controlling an uplink noise figure and gain | |
| CN102170690B (en) | A gain control method of a WCDMA radio remote unit | |
| CN201039172Y (en) | Intelligent repeater | |
| CN103874233B (en) | Collaborative CDMA slotted ALOHA method based on capture effect | |
| KR101077775B1 (en) | Apparatus for reducing uplink noise in multiple-input multiple-output | |
| CN103188700B (en) | A kind of interference identification method and device | |
| CN201174765Y (en) | Self-adapting base station pulling far apparatus | |
| CN111586868A (en) | TD-LTE system radio frequency power amplifier and low noise amplifier protection method | |
| CN107872866B (en) | Uplink interference control method and system and base station for controlling uplink interference | |
| CN110620625A (en) | Arrangement method of high-density WIFI system | |
| CN115085788B (en) | Method and system for adjusting uplink gain of repeater | |
| CN102710338A (en) | Method for realizing automatic gain compensation of simulative optic-fiber repeater according to light detection | |
| KR102155477B1 (en) | Apparatus for performing auto gain control of optical repeater and method therefor | |
| CN103220051A (en) | Mobile communication network interference comprehensive tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130717 |