CN104320817B - A kind of switching method based on multi-mode networks, base station and user equipment - Google Patents

A kind of switching method based on multi-mode networks, base station and user equipment Download PDF

Info

Publication number
CN104320817B
CN104320817B CN201410563528.XA CN201410563528A CN104320817B CN 104320817 B CN104320817 B CN 104320817B CN 201410563528 A CN201410563528 A CN 201410563528A CN 104320817 B CN104320817 B CN 104320817B
Authority
CN
China
Prior art keywords
network
standard
wlan
base station
target
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201410563528.XA
Other languages
Chinese (zh)
Other versions
CN104320817A (en
Inventor
范斌
宋蒙
李福昌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China United Network Communications Group Co Ltd
Original Assignee
China United Network Communications Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China United Network Communications Group Co Ltd filed Critical China United Network Communications Group Co Ltd
Priority to CN201410563528.XA priority Critical patent/CN104320817B/en
Publication of CN104320817A publication Critical patent/CN104320817A/en
Application granted granted Critical
Publication of CN104320817B publication Critical patent/CN104320817B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085—Hand-off measurements
    • H04W36/0088—Scheduling hand-off measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data

Abstract

The embodiment provides a kind of switching method based on multi-mode networks, base station and user equipment, it is related to the communications field, solve in the case where wlan network coverage is in multiple types network scenarios, caused by UE carries out frequently inter-network handover between different standard networks the problem of customer service Quality Down.Concrete scheme is：Base station receives the first measurement report that UE is sent；Base station receives the second measurement report that UE is sent；When target WLAN AP of the base station in the first measurement report network parameter determines that UE is rested in target WLAN AP network coverage for a long time, base station is according to the signal strength information of each standard network in the second measurement report, adjust handoff threshold value corresponding to each standard network, handoff threshold value after each standard network is adjusted is sent to UE, so as to limit UE in the internetwork inter-network handover of each standard.The present invention is used for the switching of multi-mode networks.

Description

A kind of switching method based on multi-mode networks, base station and user equipment
Technical field
The present invention relates to the communications field, more particularly to a kind of switching method based on multi-mode networks, base station and user to set It is standby.
Background technology
How to be reasonably use using Internet resources with the surge of popularization and the mobile Internet business of intelligent terminal Family equipment (English：User Equipment, referred to as：UE) higher message transmission rate is provided, meet UE mobile service need Hope for success and have to the major issue that faces for operator.And WLAN (English：Wireless Local Area Networks, referred to as：WLAN the advantage of high speed data transfer within the specific limits) is possessed, can make up cellular network can not be high The problem of effect meets UE high-speed data service demands, thus can be as the supplement and collaboration means of current cellular technology.Therefore, when UE is in wireless local network connecting point (English：Wireless Local Area Networks Access Point, referred to as： WLAN AP) network coverage in when, communication network would generally ensure as far as possible UE pass through wlan network carry out data industry The transmission of business, and business transmission (such as speech business) is carried out by the best standard network of signal intensity.
But wireless environment is complicated and changeable, the network coverage of the WLAN AP residing for UE is often in multiple types (for example, WLAN coverage is exactly in UMTS (English in the network coverage of network：Universal Mobile Telecommunications System, referred to as：UMTS) network and Long Term Evolution (Long Term Evolution, abbreviation LTE) in network).In this case, can root when UE carries out data traffic transmission by wlan network Switch standard network according to the intensity of networks with different systems signal to meet the needs of business.For example, when UE is moved to a certain area During domain, if the intensity of UMTS network signal corresponding to the region is better than the intensity of LTE network signal, UE is switched to UMTE networks In.
State in realization during switching between standard network, inventor has found at least to exist in the prior art and asked as follows Topic：Because the intensity of standard network signal different in different zones is different, therefore, when UE is moved to difference in wlan network During region, the intensity of its standard network signal received is also constantly changing, and network is to ensure the UE quality of services, just The preferable network of signal intensity can be constantly switched to according to the strength conditions of standard network signal, so as to cause UE frequently not Inter-network handover is carried out between same standard network, causes the decline even call drop of UE quality of services.
The content of the invention
Embodiments of the invention provide a kind of switching method based on multi-mode networks, base station and user equipment, solve In the case where wlan network coverage is in multiple types network scenarios, UE is cut between frequently being netted between different standard networks Caused by changing the problem of customer service Quality Down.
To reach above-mentioned purpose, embodiments of the invention adopt the following technical scheme that：
First aspect, there is provided a kind of switching method based on multi-mode networks, including：
Base station receives the first measurement report that user equipment (UE) is sent；Wherein described first measurement report includes the target Wireless local network connecting point WLAN AP network parameter；
The base station receives the second measurement report that the UE is sent；Wherein described second measurement report is surveyed including the UE The signal strength information of each standard network at least two standard networks measured；
When the base station determines that the UE rests on the target for a long time according to the network parameter of the target WLAN AP When in WLAN AP network coverage, the base station is according to the signal strength information of each standard network, described in adjustment Handoff threshold value corresponding to each standard network；
Handoff threshold value after the base station adjusts each standard network is sent to the UE, is existed so as to limit the UE The internetwork inter-network handover of each standard.
In the first possible implementation of first aspect, at least two standards network includes the first standard net Network and the second standard network；
It is described when the base station is according to the network parameter of the target WLAN AP determines that the UE rests on for a long time When in target WLAN AP network coverage, the base station is according to the signal strength information of each standard network, adjustment Handoff threshold value corresponding to each standard network specifically includes：
When the base station determines that the UE rests on the target for a long time according to the network parameter of the target WLAN AP In WLAN AP network coverage, and the signal strength information of the first standard network is more than the second standard network Signal strength information, then the base station handoff threshold value of the first standard network is reduced into second predetermined threshold, The handoff threshold value of the second standard network is increased into second predetermined threshold.
Second aspect, there is provided a kind of switching method based on multi-mode networks, including：
When user equipment (UE) determines that the UE enters in Target Wireless LAP LAN Access Point WLANAP network coverage When, the UE records UE residence times in the network coverage of the target WLANAP；
It is more than the first predetermined threshold when the residence time that the UE is stopped in target WLAN AP network coverage When, the UE obtains the network parameter of the target WLAN AP；
The signal that the UE measures each standard network at least two standard networks that the UE regions are disposed is strong Spend information, and the second measurement report that the signal strength information of each standard network at least two standards network will be included Send to the base station；
The UE sends the first measurement report of the network parameter comprising the target WLAN AP to the base station, so as to The base station is determining that the UE rests on the target WLAN AP for a long time according to the network parameter of the target WLAN AP Network coverage in when, according at least two standards network each standard network signal strength information adjust institute Handoff threshold value corresponding to each standard network is stated, and the handoff threshold value after the adjustment of each standard network is sent to described UE, so as to limit the UE in each internetwork inter-network handover of standard.
It is described when user equipment (UE) determines that the UE enters target in the first possible implementation of second aspect When in wireless local network connecting point WLAN AP network coverage, the UE records the UE the target WLAN AP's Residence time specifically includes in network coverage：
When user equipment (UE) determines that the UE enters in Target Wireless LAP LAN Access Point WLAN AP network coverage When, the UE opens timer, and by UE described in the timer record the target WLAN AP network coverage Interior residence time.
With reference to the possible implementation of the first of second aspect or second aspect, second in second aspect is possible In implementation, the network parameter of the target WLAN AP includes the service set SSID of the WLAN AP.
The third aspect, there is provided a kind of base station, including：
First receiving unit, for receiving the first measurement report of user equipment (UE) transmission；Wherein described first measurement report Accusing includes the network parameter of the Target Wireless LAP LAN Access Point WLAN AP；
Second receiving unit, the second measurement report sent for receiving the UE；Wherein described second measurement report bag Include the signal strength information of each standard network at least two standard networks that the UE is measured；
Adjustment unit, for the target WLAN AP's that are received when the base station according to first receiving unit When network parameter determines that the UE is rested in the network coverage of the target WLAN AP for a long time, according to described second The signal strength information for each standard network that receiving unit receives, adjusts switching door corresponding to each standard network Limit value；
Transmitting element, sent for the handoff threshold value after each standard network is adjusted to the UE, so as to limit UE is stated in each internetwork inter-network handover of standard.
In the first possible implementation of the third aspect, at least two standards network includes the first standard net Network and the second standard network；
The adjustment unit is specifically used for：
When the base station determines that the UE rests on the target for a long time according to the network parameter of the target WLAN AP In WLAN AP network coverage, and the signal strength information of the first standard network is more than the second standard network Signal strength information, then the handoff threshold value of the first standard network is reduced into second predetermined threshold, by described the The handoff threshold value of two standard networks increases by second predetermined threshold.
Fourth aspect, there is provided a kind of user equipment, including：
Recording unit, for determining the UE into Target Wireless LAP LAN Access Point WLAN AP's when user equipment (UE) When in network coverage, UE residence times in the network coverage of the target WLAN AP are recorded；
First measuring unit, for when the recording unit records the UE target WLAN AP network coverage model When enclosing residence time of interior stop and being more than the first predetermined threshold, the network parameter of the target WLAN AP is obtained；
Second measuring unit, each standard net at least two standard networks for measuring UE regions deployment The signal strength information of network, and of the signal strength information of each standard network at least two standards network will be included Two measurement reports are sent to the base station；
Transmitting element, the first measurement for sending the network parameter comprising the target WLAN AP to the base station are reported Accuse, so that the base station is determining that the UE rests on the target for a long time according to the network parameter of the target WLAN AP When in WLAN AP network coverage, believed according to the signal intensity of each standard network at least two standards network Handoff threshold value corresponding to breath adjustment each standard network, and the handoff threshold value after the adjustment of each standard network is sent To the UE, so as to limit the UE in each internetwork inter-network handover of standard.
In the first possible implementation of fourth aspect, the recording unit is specifically used for：
When user equipment (UE) determines that the UE enters in Target Wireless LAP LAN Access Point WLAN AP network coverage When, the UE opens timer, and by UE described in the timer record the target WLAN AP network coverage Interior residence time.
With reference to the possible implementation of the first of fourth aspect or fourth aspect, second in fourth aspect is possible In implementation, the network parameter of the target WLAN AP includes the service set SSID of the WLAN AP.
Switching method based on multi-mode networks, base station and user equipment provided in an embodiment of the present invention, user equipment exist After determining that the UE is rested in target WLAN AP network coverage for a long time, it can be sent to base station and include target WLAN AP Network parameter the first measurement report, and base station get UE transmission the second measurement report after, can according to second measurement The signal strength information of each standard network, adjusts each standard network at least two standard networks that UE is measured in report Corresponding handoff threshold value, and the handoff threshold value after the adjustment of each standard network is sent to UE, so as to limit UE each The internetwork inter-network handover of standard so that UE is rested in the big standard network of network coverage as far as possible, so as to reduce The number that UE switches between standard network, avoid caused by UE frequently carries out inter-network handover between the different standard networks The problem of decline of customer service quality or even call drop, while saved the power consumption that UE is used for handover measurement.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is that the communication network for a kind of multi-mode networks and wlan network the joint deployment that embodiments of the invention provide shows It is intended to；
Fig. 2 is a kind of switching method based on multi-mode networks that embodiments of the invention provide；
Fig. 3 is another switching method based on multi-mode networks provided in an embodiment of the present invention；
Fig. 4 is another switching method based on multi-mode networks provided in an embodiment of the present invention；
Fig. 5 is a kind of architecture of base station schematic diagram provided in an embodiment of the present invention；
Fig. 6 is a kind of user device architecture schematic diagram provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.
Now, with the development of network technology, operator would generally dispose multiple standard networks simultaneously in the wireless network, But due to user equipment (English：User Equipment, abbreviation UE) far to lag behind operator deployment new for the speed that updates The speed of standard network, therefore cause operator to make the decision for closing any one standard network easily so that it is more Individual standard network works simultaneously becomes inevitable trend, wherein, above-mentioned standard network includes but is not limited to：The second generation moves The communication technology (English：Second generation, referred to as：Global system for mobile communications (English 2G)：global system For mobile communications, referred to as：GSM), time division multiple acess (English：Time Division Multiple Access, referred to as：TDMA), 3rd generation mobile communication technology (English：3rd-generation, referred to as：CDMA 3G) (English：Code Division Multiple Access, referred to as：CDMA), TD SDMA (English：Time Division-Synchronous Code Division Multiple Access, referred to as：TD-SCDMA), wideband code division is more Location (English：Wideband Code Division Multiple Access, referred to as：W-CDMA), UMTS (English：Universal Mobile Telecommunications System, referred to as：UMTS), high-speed slender body theory Technology (English：High Speed Downlink Packet Access, referred to as：), and forth generation mobile communication skill HSDPA Art (English：The Generation mobile communication technology of the 4, referred to as：Long Term Evolution 4G) (English：Long Term Evolution, referred to as：LTE) etc..And WLAN (English：Wireless Local Area Networks, referred to as：WLAN the advantage of high speed data transfer within the specific limits) is capable of with it, is widely used in honeycomb In network.So just there is WLAN network coverage just at the same be at least two standard networks it is Zone switched on Scene, i.e. when UE is in some WLAN AP network coverage, can be measured that at least two standard networks network ginseng During number (e.g., signal strength information).Communication network under the scene would generally ensure that UE is carried out by wlan network as far as possible The transmission of data service, and business transmission is carried out by the best standard network of signal intensity.
Based on foregoing description, embodiment provided by the invention is applied to multiple types network and wlan network combines deployment In communication network, as shown in figure 1, the communication network 1 includes：Base station 11, UE12 and wireless local network connecting point (Wireless Local Area Networks Access Point, abbreviation WLAN AP) 13.Wherein, above-mentioned base station 11 is wrapped Include first base station 111 corresponding to the current connected standard networks of UE12, and the second base station 112 corresponding to other standard networks (e.g., e-NodeB or NodeB).Simultaneously in the communication network 1, the UE be at least two standard networks (L1, L2 ... ..., Ln, n>=2) in Zone switched, UE can measure the letter of the base station of each standard network of at least two standards network Number intensity.It should be noted that Fig. 1 is by taking two standard networks (the first standard network and the second standard network) as an example, at this In be only example, in practical application scene, the UE is likely to be at the Zone switched of two or at least two standard networks.
Embodiment one
Based on the communication network schematic diagram shown in Fig. 1, the embodiment provides a kind of based on multi-mode networks Switching method, in base station side, as shown in Fig. 2 this method specifically comprises the following steps：
201st, base station receives the first measurement report that user equipment (UE) is sent.
Wherein, the base station in the embodiment of the present invention is base station corresponding to the current connected standard networks of the UE, i.e., above-mentioned First base station.Specifically, when UE rests on some WLAN AP's (the target WLAN AP i.e. in the present invention) for a long time When in network coverage, then the network parameter of the WLAN AP is reported base station by the UE by measurement report.Wherein, it is above-mentioned Network parameter include but is not limited to：WLAN AP signal strength information, service set (English：Service Set Identifier, abbreviation SSID), channel etc..
202nd, base station receives the second measurement report that UE is sent.
Wherein, the second above-mentioned measurement report includes each standard network at least two standard networks that UE is measured Signal strength information.Exemplary, the signal strength information of 2G networks is usually：Signal intensity instruction (the English of reception： Received Signal Strength Indication, referred to as：RSSI), the signal strength information of 3G network is usually：Connect Receiving number power (English：Received Signal Code Power, referred to as：RSCP), the signal strength information of 4G networks Usually：Reference Signal Received Power (English：Reference Signal Receiving Power, referred to as：RSRP).Specifically , UE can be measured periodically to each standard network of regional deployment residing for the UE, and each system that will be measured The measurement data of formula network forms measurement report and reports base station；UE can also be it is determined that the UE rests on target for a long time When in WLAN AP network coverage, each standard network of regional deployment residing for the UE is measured, and will measure Each standard network measurement data formed measurement report report base station.
Specifically, UE periodically or non-periodically corresponding to each WLAN AP on the UE peripheries and each standard network Base station is measured, and each WLAN AP measured measurement data and the measurement data of each standard network are formed and surveyed Report reporting is measured to base station.
203rd, when base station determines that UE rests on target WLAN AP net for a long time according to target WLAN AP network parameter When in network coverage, base station adjusts and switched corresponding to each standard network according to the signal strength information of each standard network Threshold value.
Specifically, when the detectable signal of the WLAN AP in the network parameter for the target WLAN AP that the base station is sent according to UE SSID information in (beacon (Beacon) signal) and the target WLAN AP network coverage can be rested on for a long time by determining the UE In the range of when, in order to prevent the UE from frequently carrying out inter-network handover between different standard networks, cause under UE quality of services Drop even call drop, the base station can obtain the letter that UE is currently located each standard network at least two standard networks of regional deployment Number strength information, so as to the base station according to the size of the signal strength information of each standard network come the appropriate each standard of adjustment Handoff threshold value is corresponded between network so that UE is resided in the big standard network of signal strength information as far as possible, to reduce UE In the number in the internetwork inter-network handover of each standard.
And at least two above-mentioned standard networks include：First standard network and the second standard network.Above-mentioned switching door Limit value is the handoff threshold value for triggering standard network switching.Exemplary, reference picture 1, when the network of the WLAN AP in Fig. 1 covers Lid scope be just in simultaneously UMTS network and LTE network it is Zone switched middle when, if UE needs to be switched to UMTS from LTE network During network, then measured value M1 (e.g., the M that need UE to be obtained after being measured to the signal quality of LTE cellsRSRP, LTE cells Reference Signal Received Power) and UE the signal quality of UMTS cells is measured after obtained measured value M2 (e.g., MRSCP, The received signal code power of UMTS cells) while meet following switching condition：M1<L1；M2>L2.Wherein, L1 is LTE network Handoff threshold value, L2 be UMTS network handoff threshold value.
Exemplary, if UE is currently located regional deployment the first standard network and the second standard network, and first system The signal strength information of formula network is more than the signal strength information of the second standard network, then the second standard net is just improved in the base station The handoff threshold value of network, the handoff threshold value of the first standard network is reduced, to cause UE to rest on the first standard net as far as possible In network.Accordingly, if UE is currently located the first standard of regional deployment network, the second standard network and the 3rd standard network, and The signal strength information of first standard network is maximum, then cutting for the second standard network and the 3rd standard network is respectively increased in the base station Threshold value is changed, the handoff threshold value of the first standard network is reduced, to cause UE to rest on as far as possible in the first standard network.
204th, the handoff threshold value after base station adjusts each standard network is sent to UE, so as to limit UE in each standard Internetwork inter-network handover.
Specifically, signal strength information of the base station in each standard network reported according to UE, to each standard network After corresponding handoff threshold value is adjusted, just the handoff threshold value of each standard network after adjustment is sent to the UE, with The UE is set to carry out inter-network handover according to the handoff threshold value of each standard network after adjustment, because signal intensity has been turned down in base station The handoff threshold value of the maximum standard network of information, while the handoff threshold value of other standard networks has been heightened, so that should UE is switched in the maximum standard network of signal strength information as far as possible, that is, causes UE to rest on signal intensity letter as far as possible Cease in big standard network.It should be noted that base station is to the handoff threshold value of each standard network after being adjusted, not The handoff threshold value of each standard network of original storage in base station is changed, the switching after only each standard network is adjusted Threshold value is sent to corresponding UE, so that the UE is adjusted according to the handoff threshold value after adjustment.
Switching method provided in an embodiment of the present invention based on multi-mode networks, base station receive user equipment it is determined that the UE The transmitted network parameter comprising target WLAN AP after resting on for a long time in target WLAN AP network coverage First measurement report, and receive UE send the second measurement report, then according to UE in the second measurement report measure to The signal strength information of each standard network, adjusts handoff threshold value corresponding to each standard network in few two standard networks, And the handoff threshold value after each standard network is adjusted is sent to UE, is cut so as to limit UE between the internetwork net of each standard Change so that UE is rested in the big standard network of network coverage as far as possible, is cut so as to reduce UE between standard network The number changed, avoid the decline of the customer service quality caused by UE frequently carries out inter-network handover between different standard networks Or even the problem of call drop, while saved the power consumption that UE is used for handover measurement.
Optionally, as shown in figure 3, when at least two above-mentioned standard networks are the first standard network and the second standard network When, step 203 specifically includes following content：
203a, when base station determines that UE rests on target WLAN AP net for a long time according to target WLAN AP network parameter In network coverage, and the network coverage of the first standard network is more than the network coverage of the second standard network, then base Stand reduces by second predetermined threshold by the handoff threshold value of the first standard network, and the handoff threshold value of the second standard network is increased Add second predetermined threshold.
Wherein the second predetermined threshold is by base station sets, and the handoff threshold value of networks with different systems is improved or reduced Reference value, second predetermined threshold is relevant with specific implementation, can be base station is set according to actual conditions or base Stand and the measurement report synthetic setting of base station is reported with reference to UE.
Specifically, when base station adjusts the threshold value switched between network according to the network coverage of networks with different systems, can So that the handoff threshold value of the maximum standard network of network coverage reduced into second predetermined threshold, and other standard networks Handoff threshold value increase by second predetermined threshold so that signal corresponding to standard network maximum to network coverage UE Quality measured values are more than the handoff threshold value of the standard network, and signal quality measured values corresponding to other standard networks are less than The handoff threshold value of its standard network, resided in so that UE tries one's best in the maximum standard network of signal strength information, reduce UE Inter-network handover between networks with different systems.
Exemplary, the joint deployment scenario schematic diagram of multi-mode networks and wlan network shown in reference picture 1, work as Fig. 1 In WLAN AP network coverage be just in simultaneously UMTS network and LTE network it is Zone switched middle when, the present embodiment The method provided implements process as shown below, wherein, the network coverage of UMTS network is more than the net of LTE network Network coverage.
Specifically, when base station learns that UE has been rested in the network coverage of the WLAN AP shown in Fig. 1 for a long time When, in order to prevent the UE from frequently carrying out inter-network handover between UMTS network and LTE network, cause the decline of UE quality of services very To call drop, the base station is needed to adjust the handoff threshold value that the UE is switched between UMTS network and LTE network so that the UE is stayed UMTS network (network coverage is big) is stayed in, avoids UE from carrying out unnecessary network switching.Wherein, in the prior art, UE UMTS network needs are switched to from LTE network while meet following switching condition：
MRSRP<L1；
MRSCP>L2。
Wherein, MRSRPIt is that UE measures to obtain the RSRP of LTE cells measured value, M to LTE cellsRSCPIt is UE pairs UMTS cells measure the RSCP of obtained UMTS cells measured value, and L1 is the handoff threshold value of LTE network, and L2 is The handoff threshold value of UMTS network.
Specifically, base station is when the handoff threshold value switched over to UE between UMTS network and LTE network is adjusted, Because the network coverage of UMTS network is more than the network coverage of LTE network, therefore, in order that UE can access UMTS Network and it will not be switched in LTE network, base station can properly increase the handoff threshold value L1 of LTE network, while reduce UMTS nets The handoff threshold value L2 of network.For example, offset (Offset) (i.e. second predetermined threshold can be added in handoff threshold value Value), now, UE is switched to UMTS network from LTE network needs the switching condition that meets as follows：
MRSRP<L1+Offset；
MRSCP>L2-Offset。
So can be to cause MRSCPIt is easier to the handoff threshold value more than UMTS network, MRSRPIt is easier to be less than LTE The handoff threshold value of network, i.e., stop in a umts network, be not susceptible to network switching always, so as to reduce inter-network handover Number.Wherein, above-mentioned Offset value can be that base station is set according to actual conditions or base station reference UE on Offer the measurement report synthetic setting of base station.
It is exemplary, reference picture 1, if the network coverage of WLAN AP in Fig. 1 just simultaneously in GSM network, When in UMTS network and the network coverage of LTE network, because the network coverage of GSM network is maximum.Therefore, base station is The UE is avoided frequently to carry out inter-network handover between different standard networks on the move, the adjustment UE that the base station can be appropriate is each The internetwork handoff threshold value switched over of individual standard, so as to ensure that the UE is stopped in gsm networks all the time.Specifically, should Base station can reduce the handoff threshold value K1 of GSM network, while improve UMTS network and handoff threshold the value K2 and K3 of LTE network. For example, when UE is currently in LTE network, base station no longer carry out frequently inter-network handover to ensure UE, it is necessary to by the UE from LTE network is adjusted to the switching condition between GSM network, i.e., by Mx<K3；My>K1, it is adjusted to Mx<K3+H；My>K1-H.Its Measured value Mx (e.g., the M that middle UE is obtained after being measured to the signal quality of LTE cellsRSRP) and UE to the signal of GSM cell Measured value My (e.g., the M that quality obtains after measuringRSCP)。
Switching method provided in an embodiment of the present invention based on multi-mode networks, base station receive user equipment it is determined that the UE The transmitted network parameter comprising target WLAN AP after resting on for a long time in target WLAN AP network coverage First measurement report, and receive UE send the second measurement report, then according to UE in the second measurement report measure to The signal strength information of each standard network, will cut corresponding to the big standard network of signal strength information in few two standard networks Change threshold value to turn down, handoff threshold value corresponding to the small standard network of signal strength information is heightened, and by each standard network Handoff threshold value after adjustment is sent to UE, so as to limit UE in the internetwork inter-network handover of each standard so that UE is as far as possible Rest in the big standard network of network coverage, so as to reduce the number that UE switches between standard network, avoid because UE frequently carries out the problem of inter-network handover causes decline or even the call drop of customer service quality between different standard networks, together Shi Jieyue UE are used for the power consumption of handover measurement.
Based on the communication network schematic diagram shown in Fig. 1, the embodiment provides another kind to be based on multi-mode networks Switching method, in UE sides, as shown in figure 4, this method specifically includes：
301st, when UE determines that the UE enters in target WLAN AP network coverage, UE records the UE in target Residence time in WLAN AP network coverage.
Specifically, the WLAN AP on the measurement peripheries of UE periodically or non-periodically attribute information (such as believe by signal intensity Breath, such as received signal strength (Received Signal Strength, abbreviation RSS), SSID), and it is each according to what is measured WLAN AP attribute information, and after learning and having been enter into a certain WLAN AP network coverage, the UE will start recording should The time that UE is rested in target WLAN AP network coverage.
Optionally, step 301 specifically comprises the following steps：
301a, when UE determines UE into target WLAN AP network coverage, UE opens timer, and passes through Timer record UE residence times in target WLAN AP network coverage.
Specifically, after UE enters in a certain WLAN AP networks, open timer T and existed by timer T records UE Residence time in the network coverage of the WLAN AP, when reaching the default timing range of the timer, it is determined that the UE It can rest on for a long time in target WLAN AP network coverage, and using the WLAN AP as target WLAN AP.This Outside, UE can reset timer in following scene：1) when UE leaves WLAN AP network coverage, the UE can stop counting When device timing simultaneously timer is reset；2) when UE sends the first measurement report to base station, illustrate that the UE has been completed to mesh WLAN AP timing is marked, now, timer is reset.
302nd, it is more than the first predetermined threshold when the UE residence times stopped in target WLAN AP network coverage When, UE obtains target WLAN AP network parameter.
Wherein, the first above-mentioned predetermined threshold is that base station is set in advance, for judging whether the UE rests on for a long time Decision threshold in WLAN AP network coverage, and above-mentioned target WLAN AP network parameter includes WLAN AP's Service set SSID.Target WLAN AP network parameter is used to inform that the UE rests on the target for a long time to base station In WLAN AP network coverage.
303rd, UE measures the signal intensity letter of each standard network at least two standard networks that UE regions are disposed Breath, and the second measurement report comprising the signal strength information of each standard network at least two standard networks is sent to base Stand.
Specifically, UE can be measured periodically to each standard network of regional deployment residing for the UE, and will survey The measurement data for each standard network measured forms measurement report and reports base station；UE can also be it is determined that the UE be prolonged When resting in target WLAN AP network coverage, each standard network of regional deployment residing for the UE is measured, And the measurement data of each standard network measured is formed into measurement report and reports base station.
304th, UE sends the first measurement report of the network parameter comprising target WLAN AP to base station, so that base station is in root When determining that UE is rested in target WLAN AP network coverage for a long time according to target WLAN AP network parameter, according to extremely The signal strength information of each standard network adjusts handoff threshold value corresponding to each standard network in few two standard networks, and Handoff threshold value after each standard network is adjusted is sent to UE, is cut so as to limit UE between the internetwork net of each standard Change.
Switching method provided in an embodiment of the present invention based on multi-mode networks, user equipment is it is determined that the UE stops for a long time After staying in target WLAN AP network coverage, first of the network parameter comprising target WLAN AP can be sent to base station Measurement report, and base station can measure after the second measurement report of UE transmissions is got according to UE in the second measurement report The signal strength information of each standard network, adjusts handoff threshold corresponding to each standard network at least two standard networks Value, and the handoff threshold value after the adjustment of each standard network is sent to UE, so as to limit UE in the internetwork net of each standard Between switch so that UE is rested in the big standard network of network coverage as far as possible, so as to reduce UE in standard network Between the number that switches, avoid the customer service quality caused by UE frequently carries out inter-network handover between different standard networks The problem of declining even call drop, while saved the power consumption that UE is used for handover measurement.
Embodiment three
The present invention provides a kind of base station, as shown in figure 5, the base station 4 includes：First receiving unit 41, the second receiving unit 42nd, adjustment unit 43 and transmitting element 44, wherein：
First receiving unit 41, for receiving the first measurement report of user equipment (UE) transmission；Wherein the first measurement report Accusing includes Target Wireless LAP LAN Access Point WLAN AP network parameter.
Second receiving unit 42, for receiving the second measurement report of UE transmissions；Wherein second measurement report includes UE The signal strength information of each standard network at least two standard networks measured.
Adjustment unit 43, for the target WLAN AP received when base station according to the first receiving unit 41 network parameter When determining that UE is rested in target WLAN AP network coverage for a long time, received according to the second receiving unit 42 each The signal strength information of standard network, adjust handoff threshold value corresponding to each standard network.
Transmitting element 44, send to UE for the handoff threshold value after each standard network is adjusted, exist so as to limit UE Each internetwork inter-network handover of standard.
Optionally, at least two standards network includes the first standard network and the second standard network；Adjustment unit 43 has Body is used for：
When base station determines that UE rests on target WLAN AP network for a long time and covered according to target WLAN AP network parameter In the range of lid, and the signal strength information of the first standard network is more than the signal strength information of the second standard network, then by first The handoff threshold value of standard network reduces by second predetermined threshold, and the handoff threshold value of the second standard network is increased into an institute State the second predetermined threshold.
Base station provided in an embodiment of the present invention, base station receive user equipment it is determined that the UE rests on target WLAN for a long time First measurement report of the transmitted network parameter comprising target WLAN AP after in AP network coverage, and receive The second measurement report that UE is sent, each make at least two standard networks then measured according to UE in the second measurement report The signal strength information of formula network, handoff threshold value corresponding to the big standard network of signal strength information is turned down, signal is strong Handoff threshold value corresponding to the small standard network of degree information is heightened, and the handoff threshold value after the adjustment of each standard network is sent To UE, so as to limit UE in the internetwork inter-network handover of each standard so that it is big that UE rests on network coverage as far as possible In standard network, so as to reduce the number that UE switches between standard network, avoid because UE is frequently in different standard nets The problem of inter-network handover causes decline or even the call drop of customer service quality is carried out between network, while has saved UE and has been used for handover measurement Power consumption.
Embodiments of the invention provide a kind of user equipment, as shown in fig. 6, the user equipment includes：Recording unit 51, One measuring unit 52, the second measuring unit 53 and transmitting element 54, wherein：
Recording unit 51, for determining that UE enters Target Wireless LAP LAN Access Point WLAN AP net when user equipment (UE) When in network coverage, UE residence times in target WLAN AP network coverage are recorded.
First measuring unit 52, for the UE that is recorded when recording unit 51 in target WLAN AP network coverage When the residence time of stop is more than the first predetermined threshold, target WLAN AP network parameter is obtained.
Second measuring unit 53, each standard network at least two standard networks for measuring the deployment of UE regions Signal strength information, and will include at least two standard networks the signal strength information of each standard network second measurement Report is sent to base station.
Transmitting element 54, for sending the first measurement report of the network parameter comprising target WLAN AP to base station, so as to Base station is determining that UE is rested in target WLAN AP network coverage for a long time according to target WLAN AP network parameter When, the switching according to corresponding to the signal strength information of each standard network at least two standard networks adjusts each standard network Threshold value, and the handoff threshold value after the adjustment of each standard network is sent to UE, so as to limit UE in each standard net Inter-network handover between network.
Optionally, recording unit 51 is specifically used for：
When user equipment (UE) determines that UE enters in Target Wireless LAP LAN Access Point WLAN AP network coverage, UE open timer, and by timer record UE in target WLAN AP network coverage residence time.
Optionally, above-mentioned target WLAN AP network parameter includes WLAN AP service set SSID.
User equipment provided in an embodiment of the present invention, user equipment is it is determined that the UE rests on target WLAN AP for a long time Network coverage in after, the first measurement report of the network parameter comprising target WLAN AP, and base station can be sent to base station After the second measurement report of UE transmissions is got, at least two standard networks that measured according to UE in the second measurement report are understood In each standard network signal strength information, adjust handoff threshold value corresponding to each standard network, and by each standard net Handoff threshold value after network adjustment is sent to UE, so as to limit UE in the internetwork inter-network handover of each standard so that UE to the greatest extent may be used Resting in the big standard network of network coverage for energy, so as to reduce the number that UE switches between standard network, is avoided Customer service quality declines asking for even call drop caused by UE frequently carries out inter-network handover between the different standard networks Topic, while saved the power consumption that UE is used for handover measurement.
It is apparent to those skilled in the art that for convenience and simplicity of description, only with above-mentioned each function The division progress of module, can be as needed and by above-mentioned function distribution by different function moulds for example, in practical application Block is completed, i.e., the internal structure of base station is divided into different functional modules, to complete all or part of work(described above Energy.The specific work process of unit in the base station of foregoing description and the base station, may be referred to pair in preceding method embodiment Process is answered, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, it can be passed through Its mode is realized.For example, device embodiment described above is only schematical, for example, the module or unit Division, only a kind of division of logic function, can there is other dividing mode when actually realizing.
Described above, above example is only to illustrate the technical scheme of the application, rather than its limitations；Although with reference to before Embodiment is stated the application is described in detail, it will be understood by those within the art that：It still can be to preceding State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of each embodiment technical scheme of the application.

Claims (10)

  1. A kind of 1. switching method based on multi-mode networks, it is characterised in that including：
    Base station receives the first measurement report that user equipment (UE) is sent；Wherein described first measurement report includes Target Wireless local Net access point WLAN AP network parameter；
    The base station receives the second measurement report that the UE is sent；Wherein described second measurement report measures including the UE At least two standard networks in each standard network signal strength information；
    When the base station determines that the UE rests on the target WLAN for a long time according to the network parameter of the target WLAN AP When in AP network coverage, the base station adjusts described each according to the signal strength information of each standard network Handoff threshold value corresponding to standard network；
    Handoff threshold value after the base station adjusts each standard network is sent to the UE, so as to limit the UE described Each internetwork inter-network handover of standard.
  2. 2. according to the method for claim 1, it is characterised in that at least two standards network includes the first standard network With the second standard network；
    It is described when the base station determines that the UE rests on the target for a long time according to the network parameter of the target WLAN AP When in WLAN AP network coverage, the base station is according to the signal strength information of each standard network, described in adjustment Handoff threshold value corresponding to each standard network specifically includes：
    When the base station determines that the UE rests on the target WLAN for a long time according to the network parameter of the target WLAN AP In AP network coverage, and the signal strength information of the first standard network is more than the signal of the second standard network Strength information, then the base station handoff threshold value of the first standard network is reduced into second predetermined threshold, will described in The handoff threshold value of second standard network increases by second predetermined threshold.
  3. A kind of 3. switching method based on multi-mode networks, it is characterised in that including：
    When user equipment (UE) determines that the UE enters in Target Wireless LAP LAN Access Point WLAN AP network coverage, The UE records UE residence times in the network coverage of the target WLAN AP；
    When the residence time that the UE is stopped in target WLAN AP network coverage being more than the first predetermined threshold, institute State the network parameter that UE obtains the target WLAN AP；
    The UE measures the signal intensity letter of each standard network at least two standard networks that the UE regions are disposed Breath, and the second measurement report comprising the signal strength information of each standard network at least two standards network is sent To base station；
    The UE sends the first measurement report of the network parameter comprising the target WLAN AP to the base station, so as to described Base station is determining that the UE rests on the net of the target WLAN AP for a long time according to the network parameter of the target WLAN AP It is described every according to the signal strength information adjustment of each standard network at least two standards network when in network coverage Handoff threshold value corresponding to individual standard network, and the handoff threshold value after the adjustment of each standard network is sent to the UE, from And the UE is limited in each internetwork inter-network handover of standard.
  4. 4. according to the method for claim 3, it is characterised in that it is described when user equipment (UE) determine the UE into target without When in line LAP LAN Access Point WLAN AP network coverage, the UE records nets of the UE in the target WLAN AP Residence time specifically includes in network coverage：
    When user equipment (UE) determines that the UE enters in Target Wireless LAP LAN Access Point WLAN AP network coverage, The UE opens timer, and by UE described in the timer record in the network coverage of the target WLAN AP Residence time.
  5. 5. the method according to claim 3 or 4, it is characterised in that the network parameter of the target WLAN AP includes described WLAN AP service set SSID.
  6. A kind of 6. base station, it is characterised in that including：
    First receiving unit, for receiving the first measurement report of user equipment (UE) transmission；Wherein described first measurement report bag Include Target Wireless LAP LAN Access Point WLAN AP network parameter；
    Second receiving unit, the second measurement report sent for receiving the UE；Wherein described second measurement report includes institute State the signal strength information of each standard network at least two standard networks that UE is measured；
    Adjustment unit, for the target WLAN AP received when the base station according to first receiving unit network When parameter determines that the UE is rested in the network coverage of the target WLAN AP for a long time, received according to described second The signal strength information for each standard network that unit receives, adjusts handoff threshold corresponding to each standard network Value；
    Transmitting element, sent for the handoff threshold value after each standard network is adjusted to the UE, so as to limit the UE In each internetwork inter-network handover of standard.
  7. 7. base station according to claim 6, it is characterised in that at least two standards network includes the first standard network With the second standard network；
    The adjustment unit is specifically used for：
    When the base station determines that the UE rests on the target WLAN for a long time according to the network parameter of the target WLAN AP In AP network coverage, and the signal strength information of the first standard network is more than the signal of the second standard network Strength information, then the handoff threshold value of the first standard network is reduced into second predetermined threshold, by second standard The handoff threshold value of network increases by second predetermined threshold.
  8. A kind of 8. user equipment, it is characterised in that including：
    Recording unit, for determining that the UE enters Target Wireless LAP LAN Access Point WLAN AP network when user equipment (UE) When in coverage, UE residence times in the network coverage of the target WLAN AP are recorded；
    First measuring unit, for when the UE of the recording unit records is in target WLAN AP network coverage When the residence time of stop is more than the first predetermined threshold, the network parameter of the target WLAN AP is obtained；
    Second measuring unit, each standard network at least two standard networks for measuring UE regions deployment Signal strength information, and second comprising the signal strength information of each standard network at least two standards network is surveyed Amount report is sent to base station；
    Transmitting element, for sending the first measurement report of the network parameter comprising the target WLAN AP to the base station, with Toilet states base station and is determining that the UE rests on the target WLAN for a long time according to the network parameter of the target WLAN AP When in AP network coverage, adjusted according to the signal strength information of each standard network at least two standards network Handoff threshold value corresponding to each standard network, and the handoff threshold value after the adjustment of each standard network is sent to described UE, so as to limit the UE in each internetwork inter-network handover of standard.
  9. 9. user equipment according to claim 8, it is characterised in that the recording unit is specifically used for：
    When user equipment (UE) determines that the UE enters in Target Wireless LAP LAN Access Point WLAN AP network coverage, The UE opens timer, and by UE described in the timer record in the network coverage of the target WLAN AP Residence time.
  10. 10. user equipment according to claim 8 or claim 9, it is characterised in that the network parameter bag of the target WLAN AP Include the service set SSID of the WLAN AP.
CN201410563528.XA 2014-10-21 2014-10-21 A kind of switching method based on multi-mode networks, base station and user equipment Active CN104320817B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410563528.XA CN104320817B (en) 2014-10-21 2014-10-21 A kind of switching method based on multi-mode networks, base station and user equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410563528.XA CN104320817B (en) 2014-10-21 2014-10-21 A kind of switching method based on multi-mode networks, base station and user equipment

Publications (2)

Publication Number Publication Date
CN104320817A CN104320817A (en) 2015-01-28
CN104320817B true CN104320817B (en) 2018-01-05

Family

ID=52375969

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410563528.XA Active CN104320817B (en) 2014-10-21 2014-10-21 A kind of switching method based on multi-mode networks, base station and user equipment

Country Status (1)

Country Link
CN (1) CN104320817B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016161555A1 (en) * 2015-04-07 2016-10-13 华为技术有限公司 Communication method and communication apparatus
CN107690828B (en) * 2015-04-10 2021-04-20 瑞典爱立信有限公司 Autonomous LTE-WLAN interface setup and information exchange
CN105050106B (en) 2015-08-24 2019-12-10 中磊电子（苏州）有限公司 measurement control method and base station applying same
CN105208570B (en) 2015-09-09 2020-02-07 中磊电子（苏州）有限公司 Small-sized base station and operation method thereof
CN107409337B (en) * 2015-12-25 2020-01-10 华为技术有限公司 Switching threshold setting method, device and equipment
KR101849469B1 (en) * 2016-10-26 2018-04-16 한국전자통신연구원 Method and an apparatus for determining a handover
CN106714249B (en) * 2016-12-19 2020-08-04 深圳市万普拉斯科技有限公司 Network switching method and device and mobile terminal
CN108391291B (en) * 2017-02-03 2020-02-28 电信科学技术研究院 Cell reselection method and device
CN107277873B (en) * 2017-06-16 2020-05-19 奇酷互联网络科技（深圳）有限公司 Network switching method, device, mobile terminal and computer readable storage medium
CN107277872B (en) * 2017-06-16 2020-05-19 奇酷互联网络科技（深圳）有限公司 Network switching method, device, mobile terminal and computer readable storage medium
KR102452106B1 (en) 2017-07-13 2022-10-07 삼성전자주식회사 Apparatus and method for performing handover in wireless communication system
US11166216B2 (en) 2017-07-21 2021-11-02 Cisco Technology, Inc. Traffic steering in a heterogeneous network
CN109743761B (en) * 2019-03-07 2021-03-26 北京西米兄弟未来科技有限公司 Wireless network switching method, device and equipment
CN112312370B (en) * 2020-10-12 2023-03-28 维沃移动通信有限公司 Switching threshold value processing method and device
CN116939638A (en) * 2022-03-29 2023-10-24 维沃移动通信有限公司 Communication method, device and related equipment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101188850A (en) * 2006-11-17 2008-05-28 大唐移动通信设备有限公司 A multi-network mode switching method and its communication device
CN101193413A (en) * 2006-11-22 2008-06-04 大唐移动通信设备有限公司 A multi-network mode switching method and its communication device
WO2010017413A1 (en) * 2008-08-08 2010-02-11 Qualcomm Incorporated Method and apparatus for selecting a best cell during inter-radio access technology transition
CN103974350A (en) * 2014-05-20 2014-08-06 上海交通大学 Switching method for self-adaptive threshold adjustment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101188850A (en) * 2006-11-17 2008-05-28 大唐移动通信设备有限公司 A multi-network mode switching method and its communication device
CN101193413A (en) * 2006-11-22 2008-06-04 大唐移动通信设备有限公司 A multi-network mode switching method and its communication device
WO2010017413A1 (en) * 2008-08-08 2010-02-11 Qualcomm Incorporated Method and apparatus for selecting a best cell during inter-radio access technology transition
CN103974350A (en) * 2014-05-20 2014-08-06 上海交通大学 Switching method for self-adaptive threshold adjustment

Also Published As

Publication number Publication date
CN104320817A (en) 2015-01-28

Similar Documents

Publication Publication Date Title
CN104320817B (en) A kind of switching method based on multi-mode networks, base station and user equipment
US10194357B2 (en) Method and apparatus for applying assistance information for traffic steering in wireless communication system
EP2879432B1 (en) Method, base station, and user equipment for handover between wireless networks
CN106664607B (en) Method and apparatus for performing interworking between 3GPP and WLAN for dual connectivity in wireless communication system
US9253699B2 (en) Method and apparatus for controlling and supporting a dynamic cell on/off in wireless access system
US9307456B2 (en) Method of reporting system information in a wireless communication system and device for supporting same
CN105027625B (en) Residence reselecting and its user equipment
WO2017031018A1 (en) Mobility enhancements for high speed scenarios
US9980164B2 (en) Measurement method and apparatus, and communications node
EP3393170B1 (en) Signal measurement method and apparatus
CN105940695A (en) Machine-to-machine (M2M) terminal, base station, method and computer readable medium
CN104469856A (en) Method and apparatus for applying signaling of WLAN-3GPP interworking
CN104641691A (en) Method and apparatus for receiving system information in wireless communication system
US10356697B2 (en) Method and apparatus for updating ANDSF policy in wireless communication system
CN107667555A (en) The method and apparatus for whether performing WLAN measurements for determining terminal
EP3883317A1 (en) Wireless communication method, terminal device, and network device
US10149218B2 (en) Method and apparatus for handling RAN assistance information for cell change in wireless communication system
CN107852626A (en) The method and apparatus that WLAN measurements are performed for terminal
US10136387B2 (en) Method and apparatus for configuring event-triggered DRX in wireless communication system
WO2017028698A1 (en) Data transmission method, device and system
CN111741496A (en) Method and device for directional switching between cells
US10306696B2 (en) Method and apparatus for handling RAN assistance information for radio link failure in wireless communication system
CN111615856A (en) System and method for performing communication in a multi-RAT network
CN104770019B (en) The method and apparatus for realizing cellular network and Wireless LAN interoperability
CN103596215B (en) First network side apparatus, the second network side equipment and WLAN coverage area identification method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant