CN101646156B - Updating method and system of terminal parameter in soft handoff - Google Patents
Updating method and system of terminal parameter in soft handoff Download PDFInfo
- Publication number
- CN101646156B CN101646156B CN2009101707292A CN200910170729A CN101646156B CN 101646156 B CN101646156 B CN 101646156B CN 2009101707292 A CN2009101707292 A CN 2009101707292A CN 200910170729 A CN200910170729 A CN 200910170729A CN 101646156 B CN101646156 B CN 101646156B
- Authority
- CN
- China
- Prior art keywords
- base station
- terminal
- pilot
- parameter
- station system
- 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
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to an updating method of terminal parameters in soft handoff, comprising the following steps: in soft handoff, judging by a base station system whether the base stations concentratedly contained in activities are all boundary base stations and are provided with different Pilot-Inc settings, if so, then the notification of wireless environmental information which is reported periodically is sent to the terminal; judging whether conforming to the conditions of Pilot-Inc modification according to the wireless environmental information reported by the terminal, if so, then determining that modification is needed and updating an adjacent area list of the terminal; sending a notification for modifying Pilot-Inc parameters and adjacent area lists to the terminal by the base station system. The invention also relates to an updating system of a terminal parameter in soft handoff. The invention can timely inform the terminal to reasonably modify the Pilot-Inc parameters, reduce service interruption probability when users move in base station system boundaries with different Pilot-Inc settings, improve users wireless communication quality and improve perception of users.
Description
Technical field
The present invention relates to the CDMA communication field, relate in particular to a kind of code division multiple access system generation terminal parameter in soft handoff method for updating and system.
Background technology
The multi-address radio communication system that code division multiple access system divides as a sign indicating number, the signal between its included different base station is to distinguish by different scramblers.When the base station access by terminal system, can from the included a plurality of base stations of this base station system, receive and the identical signal of demodulation; Equally, the signal of terminal emission also can be received and demodulation by these a plurality of base stations, Here it is so-called soft handover.Soft handover can significantly improve the user's communications quality as the key technology and the main feature of code division multiple address communication system.
When carrying out soft handover between base station system, will use these two very important parameters of Pilot_PN, Pilot_Inc in the workflow of terminal and base station system, wherein parameter Pilot_PN is the pilot PN sequence index, is mainly used in concrete certain base station of sign; Parameter Pilot_Inc is the pilot frequency deviation increment, is used for terminal to effective identification of base station Pilot_PN with to the quick search of base station signal, and Pilot_PN should be set to the integral multiple of Pilot_Inc.
Parameter Pilot_Inc is provided with identical adjacent base station and forms a base station system with the base station controller that links to each other.In order to finish the soft handover between the different base station system, the Pilot_PN of the border base station between the base station system should be set to the common multiple of both sides Pilot_Inc.
As shown in Figure 1, pass through the schematic diagram that Pilot_Inc is provided with different base station system scopes for terminal in the prior art.When terminal is passed through Pilot_Inc and different base station systems is set and carries out soft handover, base station system can change or merges key parameters such as handoff threshold, search window, adjacent areas, and by signaling message notice terminal, but the Pilot_Inc to base station system does not change, thereby causes terminal can occur the problem of service disconnection when mobile between the different base station system of Pilot_Inc.
Summary of the invention
The objective of the invention is to propose a kind of updating method of terminal parameters in soft handoff and system, in the time of can solving terminal and between the different base station system of Pilot_Inc configuration, carry out soft handover, because Pilot_Inc changes the problem of the untimely service disconnection that produces.
For achieving the above object, the invention provides a kind of updating method of terminal parameters in soft handoff, may further comprise the steps:
When base station system is carried out soft handover, base station system judges whether the base station that comprises in the active set of terminal is border base station, and having different Pilot_Inc and be provided with, is then described base station system is sent notice from the periodic report radio environment information to described terminal;
Described base station system judges whether to meet the condition that Pilot_Inc changes according to the radio environment information of described terminal to report, is then to determine and need the Pilot_Inc parameter of described terminal be changed, and upgrades the Neighboring Cell List of described terminal;
Described base station system sends the notice of change Pilot_Inc parameter and Neighboring Cell List to described terminal.
Further, in described base station system after described terminal sends the notice of change Pilot_Inc parameter and Neighboring Cell List, described terminal is finished the renewal of Pilot_Inc variation of parameter and Neighboring Cell List, and returns the notice that change is finished to described base station system.
Further, after described base station system was returned the notice finished of change, described base station system started timer, and does not handle the request of the Pilot_Inc parameter modification being returned Pilot_Inc parameter before changing before timer expiry in described terminal.
Further, described radio environment information comprises each signal of base station quality in the distance of each base station in the particular location of described terminal, described terminal and the described active set and the described active set that described terminal receives at least.
Further, the described operation that judges whether to meet the condition of Pilot_Inc change is specially:
Judge whether to meet in the following condition one or more:
Base station in the described active set is border base station;
The distance of all base stations in described terminal and the source base station system exceeds default distance threshold;
The signal of base station quality that described terminal receives is recorded in the described source base station system in the described active set is lower than default signal quality thresholding.
Further, the described condition that meets the Pilot_Inc change that judges whether also comprises:
The base station number that is recorded in the described source base station system in the described active set is no more than 2;
Be recorded in the base station that does not comprise the described active set of new adding in the base station in the described source base station system in the described active set.
Further, before operating in soft handover, comprise that also the base station of each base station system juncture area in advance is set to the operation of the attribute of border base station.
For achieving the above object, the present invention also provides a kind of terminal parameter in soft handoff update system, comprising:
The border base station judge module is used for when carrying out soft handover, judges whether the base station that comprises in the active set of terminal is border base station, and has different Pilot_Inc settings;
The periodic report notification module is used for being border base station in the base station that the active set of judging described terminal comprises, and has different Pilot_Inc when being provided with, and sends the notice of periodic report radio environment information to described terminal;
The parameter modification judge module is used for judging whether to meet the condition that Pilot_Inc changes according to the radio environment information of described terminal to report;
The system parameter change module is used for determining and need the Pilot_Inc parameter of described terminal being changed, and upgrade the Neighboring Cell List of described terminal when meeting the condition of Pilot_Inc change;
The parameter modification notification module is used for sending the notice that changes Pilot_Inc parameter and Neighboring Cell List to described terminal.
Further, also comprise: time block, be used for after described base station system is returned the notice finished of change, starting timer, and before timer expiry, do not handle the request of the Pilot_Inc parameter modification being returned Pilot_Inc parameter before changing in described terminal.
Further, also comprise: border base station is provided with module, is used for before operating in soft handover, and the base station of each base station system juncture area is set to the attribute of border base station in advance.
Based on technique scheme, when the present invention carries out soft handover between the different base station system of Pilot_Inc configuration the Pilot_Inc parameter is changed judgement, and in time carry out parameter modification, avoided because of the problem of terminal with the different service disconnection that cause of Pilot_Inc parameter of base station system.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 passes through the schematic diagram that Pilot_Inc is provided with different base station system scopes for terminal in the prior art.
Fig. 2 is the schematic flow sheet of an embodiment of updating method of terminal parameters in soft handoff of the present invention.
Scene schematic diagram when Fig. 3 carries out soft handover for base station system of the present invention.
Fig. 4 is the schematic flow sheet of another embodiment of updating method of terminal parameters in soft handoff of the present invention.
Fig. 5 is the structural representation of an embodiment of terminal parameter in soft handoff update system of the present invention.
Fig. 6 is the structural representation of another embodiment of terminal parameter in soft handoff update system of the present invention.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
The present invention provides Pilot_Inc variation of parameter strategy when carrying out soft handover among the user between the different base station system under the code division multiple address communication system by embodiment, this change strategy can effectively reduce the service disconnection probability that terminal produces owing to the Pilot_Inc parameter modification is untimely when soft handover, and then promotes user's radio communication quality.
As shown in Figure 2, be the schematic flow sheet of an embodiment of updating method of terminal parameters in soft handoff of the present invention.In the present embodiment, the parameter update flow process comprises:
After the step 103 of present embodiment, terminal can change the Pilot_Inc parameter according to the change Pilot_Inc parameter of base station system transmission and the notice of Neighboring Cell List, and renewal Neighboring Cell List, return the notice that change is finished to base station system then, so that make base station system know the renewal success of terminal.Do not upgrade successful notice if base station system is received, then need to retransmit Notification of Changes, perhaps take other existing mode to know whether terminal has finished change.
In the present embodiment, the base station system of carrying out the border base station judgement can be that the source base station system also can be the purpose base station system, when judging, can relevant information be sent to the purpose base station system, carry out the corresponding judgment operation by the purpose base station system again by the source base station system; Also can relevant information be sent to the source base station system, carry out the corresponding judgment operation by the source base station system by the purpose base station system.In like manner the base station system in the step 102 and 103 also can be source base station system or purpose base station system.
In another embodiment, after base station system receives the notice that terminal change finishes, can start timer, and (before being timer expiry) no longer handles the request of Pilot_Inc parameter modification after changing being returned Pilot_Inc parameter (Pilot_Inc of source base station system) before changing in the fixed time interval that this timer is provided with.The effect of timer can prevent that the junctional area of passing through two base station systems owing to terminal back and forth from causing the table tennis of Pilot_Inc parameter to change, and avoids bringing heavy burden to base station system.
In another embodiment, before operating in soft handover, comprise that also the base station of each base station system juncture area in advance is set to the operation of the attribute of border base station, thereby provide basis for estimation for whether carrying out the Pilot_Inc change.
Present embodiment has utilized the base station and the corresponding Pilot_Inc that comprise in the active set to be provided as the basis for estimation that Pilot_Inc changes, judge the opportunity of change Pilot_Inc change in the radio environment information that reports according to terminal periodic, thereby make terminal and base station system to change the Pilot_Inc parameter in time, guarantee professional continuity, promoted user's radio communication quality.
The present invention will be described below by a specific embodiment.Scene schematic diagram when as shown in Figure 3, carrying out soft handover for base station system of the present invention.In this scene, terminal just from base station system A (Pilot_Inc is m, m=4) move to base station system B (Pilot_Inc is n, n=3), timer T
PilotincintervalSet in advance and be 4000ms, CELL1, CELL2 and CELL3 are set in advance the attribute into border base station.The flow process of its Pilot_Inc parameter update comprises referring to Fig. 4:
CELL1 among step 201, terminal and the base station system A sets up wireless connections.
Step 202, terminal move to the direction of base station system B, and when near the junctional area of base station system A and base station system B, this moment, the active set of terminal comprised CELL1 and the CELL2 of base station system A.Along with terminal continues to move to the direction of base station system B, and it is more and more stronger to detect the useful signal of border base station CELL3 of base station system B.
Step 203, the intensity that detects the useful signal of CELL3 when terminal reach the soft handover requirement, radio environment information is reported CELL1 and the CELL2 of base station system A, then base station system A and base station system B set up and get in touch, after confirming to possess soft handoff condition, start soft handoff procedure, base station system A notice terminal adds active set with CELL3 simultaneously.
Step 204, terminal and CELL3 set up wireless connections, and the A of informing base station system and base station system B finished operating in soft handover, and added CELL3 in the active set this moment, so comprised CELL1, CELL2 and CELL3 in the active set.
Step 205, base station system judge whether base station included in the active set of terminal is border base station, and the Pilot_Inc of relevant base station system is provided with difference, for present embodiment, because CELL1, CELL2 belong to the border base station of base station system A, CELL3 belongs to the border base station of base station system B, therefore continue execution in step 206, otherwise return step 203.
Step 206, base station system are sent the notice of periodic report radio environment information to terminal, and the radio environment information here comprises each signal of base station quality in the distance of each base station in described terminal and the described active set and the described active set that described terminal receives at least.
The radio environment information of step 207, base station system receiving terminal periodic report, and judge opportunity of Pilot_Inc change according to radio environment information.
The radio environment information that step 208, base station system reported according to this cycle of terminal judges whether to meet the condition of Pilot_Inc change, and the condition of judgement Pilot_Inc change can comprise one or more in the following condition:
(1) base station in the described active set is border base station;
(2) distance of all base stations in described terminal and the source base station system exceeds default distance threshold;
(3) the signal of base station quality that described terminal receives is recorded in the described source base station system in the described active set is lower than default signal quality thresholding.
In another embodiment, can also in the condition of judging the Pilot_Inc change, add condition:
(4) base station number that is recorded in the described source base station system in the described active set is no more than 2;
(5) be recorded in the base station that does not comprise the described active set of new adding in the base station in the described source base station system in the described active set.
If condition satisfies, then execution in step 209, wait for that the radio environment information of terminal to report of following one-period judges again otherwise return step 207.
Step 209, base station system need to determine the Pilot_Inc parameter of terminal to change, and the Neighboring Cell List of new terminal more.
Step 210, base station system send the notice of change Pilot_Inc parameter and Neighboring Cell List to terminal.
Step 211, terminal change the Pilot_Inc parameter and upgrade Neighboring Cell List, and return the notice that change is finished to base station system.
Step 212, base station system start timer T
Pilotincinterval, and the request of the Pilot_Inc parameter modification being returned Pilot_Inc parameter is not before changing handled (being within the 4000ms) before the timer expiry, to prevent the table tennis change.
In the present embodiment, base station system among the step 205-211 can be that the source base station system also can be the purpose base station system, after handover operation was carried out, source base station system and purpose base station system all can be obtained necessary information to carry out the operation of above-mentioned steps by communicating by letter between the two.
Pass through the foregoing description, can notify terminal that the Pilot_Inc parameter is rationally changed timely, reduce user's service disconnection probability when Pilot_Inc is provided with different base station system borders and moves, improve user's radio communication quality, promote user's perception.
As shown in Figure 5, the structural representation of an embodiment of terminal parameter in soft handoff update system of the present invention.In the present embodiment, the terminal parameter in soft handoff update system comprises: border base station judge module 1, periodic report notification module parameter 2, change judge module 3, system parameter change module 4 and parameter modification notification module 5.
Wherein border base station judge module 1 is used for when carrying out soft handover, judges whether the base station that comprises in the active set of terminal is border base station, and has different Pilot_Inc settings.Periodic report notification module 2 is used for being border base station in the base station that the active set of judging described terminal comprises, and has different Pilot_Inc when being provided with, and sends the notice of periodic report radio environment information to described terminal.Parameter modification judge module 3 is used for judging whether to meet the condition that Pilot_Inc changes according to the radio environment information of described terminal to report.System parameter change module 4 is used for determining and need the Pilot_Inc parameter of described terminal being changed, and upgrade the Neighboring Cell List of described terminal when meeting the condition of Pilot_Inc change.Parameter modification notification module 5 is used for sending to described terminal the notice of change Pilot_Inc parameter and Neighboring Cell List.
As shown in Figure 6, be the structural representation of another embodiment of terminal parameter in soft handoff update system of the present invention.Compare with a last embodiment, present embodiment also comprises time block 6, be used for after described base station system is returned the notice finished of change, starting timer, and before timer expiry, the request of the Pilot_Inc parameter modification being returned Pilot_Inc parameter before changing do not handled in described terminal.
In another embodiment, system comprises that also border base station is provided with module, is used for before operating in soft handover, and the base station of each base station system juncture area is set to the attribute of border base station in advance.
By said system embodiment, can notify terminal that the Pilot_Inc parameter is rationally changed timely, reduce user's service disconnection probability when Pilot_Inc is provided with different base station system borders and moves, improve user's radio communication quality, promote user's perception.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (10)
1. updating method of terminal parameters in soft handoff may further comprise the steps:
When base station system is carried out soft handover, base station system judges whether the base station that comprises in the active set of terminal is border base station, and having different Pilot_Inc and be provided with, is then described base station system is sent notice from the periodic report radio environment information to described terminal;
Described base station system judges whether to meet the condition that Pilot_Inc changes according to the radio environment information of described terminal to report, is then to determine and need the Pilot_Inc parameter of described terminal be changed, and upgrades the Neighboring Cell List of described terminal;
Described base station system sends the notice of change Pilot_Inc parameter and Neighboring Cell List to described terminal.
2. updating method of terminal parameters in soft handoff according to claim 1, wherein in described base station system after described terminal sends the notice of change Pilot_Inc parameter and Neighboring Cell List, described terminal is finished the renewal of Pilot_Inc variation of parameter and Neighboring Cell List, and returns the notice that change is finished to described base station system.
3. updating method of terminal parameters in soft handoff according to claim 2, wherein in described terminal after described base station system is returned the notice finished of change, described base station system starts timer, and does not handle the request of the Pilot_Inc parameter modification being returned Pilot_Inc parameter before changing before timer expiry.
4. updating method of terminal parameters in soft handoff according to claim 1, wherein said radio environment information comprise each signal of base station quality in the distance of each base station in described terminal and the described active set and the described active set that described terminal receives at least.
5. updating method of terminal parameters in soft handoff according to claim 4, the wherein said operation that judges whether to meet the condition of Pilot_Inc change is specially:
Judge whether to meet in the following condition one or more:
Base station in the described active set is border base station;
The distance of all base stations in described terminal and the source base station system exceeds default distance threshold;
The signal of base station quality that described terminal receives is recorded in the described source base station system in the described active set is lower than default signal quality thresholding.
6. updating method of terminal parameters in soft handoff according to claim 5, the wherein said condition that meets the Pilot_Inc change that judges whether also comprises:
The base station number that is recorded in the described source base station system in the described active set is no more than 2;
Be recorded in the base station that does not comprise the described active set of new adding in the base station in the described source base station system in the described active set.
7. updating method of terminal parameters in soft handoff according to claim 1 wherein before operating in soft handover, comprises that also the base station of each base station system juncture area in advance is set to the operation of the attribute of border base station.
8. terminal parameter in soft handoff update system comprises:
The border base station judge module is used for when carrying out soft handover, judges whether the base station that comprises in the active set of terminal is border base station, and has different Pilot_Inc settings;
The periodic report notification module is used for being border base station in the base station that the active set of judging described terminal comprises, and has different Pilot_Inc when being provided with, and sends the notice of periodic report radio environment information to described terminal;
The parameter modification judge module is used for judging whether to meet the condition that Pilot_Inc changes according to the radio environment information of described terminal to report;
The system parameter change module is used for determining and need the Pilot_Inc parameter of described terminal being changed, and upgrade the Neighboring Cell List of described terminal when meeting the condition of Pilot_Inc change;
The parameter modification notification module is used for sending the notice that changes Pilot_Inc parameter and Neighboring Cell List to described terminal.
9. terminal parameter in soft handoff update system according to claim 8 wherein also comprises:
Time block is used for starting timer in described terminal after base station system is returned the notice finished of change, and did not handle the request of the Pilot_Inc parameter modification being returned Pilot_Inc parameter before changing before timer expiry.
10. terminal parameter in soft handoff update system according to claim 8 wherein also comprises:
Border base station is provided with module, is used for before operating in soft handover, and the base station of each base station system juncture area is set to the attribute of border base station in advance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101707292A CN101646156B (en) | 2009-09-09 | 2009-09-09 | Updating method and system of terminal parameter in soft handoff |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101707292A CN101646156B (en) | 2009-09-09 | 2009-09-09 | Updating method and system of terminal parameter in soft handoff |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101646156A CN101646156A (en) | 2010-02-10 |
| CN101646156B true CN101646156B (en) | 2011-11-30 |
Family
ID=41657823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101707292A Active CN101646156B (en) | 2009-09-09 | 2009-09-09 | Updating method and system of terminal parameter in soft handoff |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101646156B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101815335B (en) * | 2010-03-22 | 2012-11-21 | 华为技术有限公司 | Method for updating soft handoff parameters as well as network side equipment and user side equipment |
| CN103582022B (en) * | 2012-07-26 | 2019-01-25 | 中兴通讯股份有限公司 | Historical information processing method and processing device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1593069A (en) * | 2001-09-25 | 2005-03-09 | 高通股份有限公司 | Method and system for optimizing system-access and soft-handoff parameters based on location information |
| CN1984447A (en) * | 2006-05-17 | 2007-06-20 | 华为技术有限公司 | Method for adjusting soft-switch proportion |
| CN101084692A (en) * | 2005-02-23 | 2007-12-05 | 中兴通讯股份有限公司 | Method for autonomous handover of mobile terminal |
-
2009
- 2009-09-09 CN CN2009101707292A patent/CN101646156B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1593069A (en) * | 2001-09-25 | 2005-03-09 | 高通股份有限公司 | Method and system for optimizing system-access and soft-handoff parameters based on location information |
| CN101084692A (en) * | 2005-02-23 | 2007-12-05 | 中兴通讯股份有限公司 | Method for autonomous handover of mobile terminal |
| CN1984447A (en) * | 2006-05-17 | 2007-06-20 | 华为技术有限公司 | Method for adjusting soft-switch proportion |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101646156A (en) | 2010-02-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101754414B (en) | RRC connection reestablishment method and device | |
| CN102007794B (en) | Communication system, network handover process method and apparatus | |
| CN101873620B (en) | Method and device for judging inter-cell reselection parameter and handover parameter matching | |
| CN101772104A (en) | Handover method and apparatus thereof | |
| CN102484835A (en) | Method and system for acquisition of neighbour cell information | |
| CN103108351A (en) | Wireless link failure statistical method, relevant device and communication system | |
| CN108282835A (en) | Method for establishing calling in mobile communication system and user equipment | |
| CN107113681A (en) | A kind of signaling optimization method and apparatus | |
| CA2567108A1 (en) | System and method for optimizing handover in mobile communication system | |
| CN103220740A (en) | Cell switching method and device | |
| CN102076061A (en) | Method for communication terminal residing in multiple networks and communication terminal | |
| CN105992168A (en) | Cell selection method and automatic neighbor cell relation configuration method and equipment | |
| CN103581999B (en) | Adjacent cell list update method, metrical information report method, terminal and base station | |
| CN104955016A (en) | Method of automatically joining ZigBee network and terminal equipment | |
| CN103916921A (en) | Mobile terminal and different system cell reselection method thereof | |
| CN102421154A (en) | Cell switching method and equipment based on measurement report | |
| JP2013502771A (en) | Terminal switching method and base station | |
| CN104254090B (en) | A kind of method, terminal, base station and system realizing Automatic Neighboring Relation and establishing | |
| CN101489269B (en) | Method and system for switching exception handling | |
| CN101646156B (en) | Updating method and system of terminal parameter in soft handoff | |
| CN102196485B (en) | Method and system for reducing unnecessary switching in LTE (Long Term Evolution) system | |
| CN101272537B (en) | Method and device for base station controller networking | |
| CN101562850A (en) | Method for admitting judgment during switching process as well as system and device thereof | |
| CN102131215A (en) | Method and system for optimizing handoff parameters | |
| CN102487537B (en) | Method for selecting target base station (BS) during switching and system thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |