CN105515718A - Multi-service control channel transmitting method and apparatus - Google Patents
Multi-service control channel transmitting method and apparatus Download PDFInfo
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- CN105515718A CN105515718A CN201410493803.5A CN201410493803A CN105515718A CN 105515718 A CN105515718 A CN 105515718A CN 201410493803 A CN201410493803 A CN 201410493803A CN 105515718 A CN105515718 A CN 105515718A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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Abstract
The invention provides a multi-service control channel transmitting method, being applied to a physical downlink control channel PDCCH. The multi-service control channel transmitting method comprises when user equipment UE bears N services, configuring the multi-service downlink control information DCI, 1<=N, wherein the multi-service DCI includes a service attribute and a UE attribute; the service attribute is respective service attribute domain set of the N services; a service attribute domain contains the service scheduling information; and the UE attribute is unique; configuring the degree of polymerization and the candidate grade corresponding to the DCI when the UE bears the N services; and transmitting the DCI on the PDCCH. The multi-service control channel transmitting method and apparatus can define multiple degree of polymerization S-candidate grade M sets according to the number N of multi services, the transmitting mode, the communication scene and other factors of the UE of a user, and can improve the frequency spectrum utilization rate for PDCCH channel transmission for multi services for the same UE, guarantee the transmission performance of the channel and reduce the DCI detection number of the UE at the receiving side.
Description
Technical field
The present invention relates to wireless communication field, be specifically related to the method and apparatus that multiple services LTEPDCCH (PhysicalDownlinkControlChannel, down control channel) sends.
Background technology
For LTE wireless communication system, existing PDCCH channel is with multiple DCI (DownlinkControlInformation, Downlink Control Information) form transmission, carry PDSCH (PhysicalDownlinkSharedChannel, Physical Downlink Shared Channel) scheduling of channel and control information, as transformat, Resourse Distribute and uplink scheduling license etc.
When the multi-service communications applications of same user equipment (UE), when namely same UE can carry multiple business, the send mode that multiple business adopts multiple DCI to carry out control channel scheduling respectively does not have the optimum availability of frequency spectrum.
Summary of the invention:
Problem to be solved by this invention is to provide a kind of method and apparatus sent for the multi-service control channel under same equipment UE multi-service application, to improve the availability of frequency spectrum of PDCCH channel, ensure DCI transmission performance, the DCI blind detection simultaneously reducing terminal UE surveys complexity.
In order to solve the problems of the technologies described above, this application provides a kind of method that multi-service control channel sends, be applied to physical downlink control channel PDCCH, described method comprises:
When user equipment (UE) carries N number of business, configuration multi-service Downlink Control Information DCI, 1≤N;
Described multi-service DCI comprises service attribute and UE attribute, and described service attribute is the service attribute territory set separately of described N number of business, and service dispatching information is contained in described service attribute territory, and described UE attribute is unique;
For DCI when described UE carries N number of business configures the corresponding degree of polymerization and candidate's level;
Described PDCCH sends described DCI.
Preferably,
The corresponding service attribute territory of each business; When the business that described UE carries is more than or equal to 2, the transmission means of any two business is identical or not identical;
The UE attribute of each business of described UE carrying is identical.
Preferably,
The corresponding degree of polymerization is configured and candidate's level comprises for DCI when described UE carries N number of business:
According to the maximum number W of described UE bearer service and the type of each multi-service DCI, configuration degree of polymerization S set and candidate's level set M, wherein, S={s
1, s
2... s
k, M={m
1, m
2... m
k, 1≤k≤W;
For DCI when described UE carries N number of business configures degree of polymerization s
pand candidate level m
p, wherein, 1≤p≤k, 1≤N≤W.
Preferably,
According to the maximum number W of described UE bearer service and the type of each multi-service DCI, configuration degree of polymerization S set and candidate's level set M comprise:
The situation described UE being carried i business and subscriber equipment carrying i+j business is divided into a type, wherein, and 0≤j≤1,1≤i≤W;
When the maximum number of described UE bearer service is W, be divided into k type;
Degree of polymerization s is configured when same type
pand configuration candidate level degree m
p.
Preferably,
Described service dispatching information comprises modulation system, Resourse Distribute, HARQ re-transmission and precoding.
The device that the present invention also provides a kind of multi-service control channel to send, is applied to physical downlink control channel PDCCH, states device and comprise:
Configuration module, for when user equipment (UE) carries N number of business, configuration multi-service Downlink Control Information DCI, 1≤N; Also configure the corresponding degree of polymerization and candidate's level for DCI when carrying N number of business for described UE;
Wherein, described multi-service DCI comprises service attribute and UE attribute, and described service attribute is the service attribute territory set separately of described N number of business, and service dispatching information is contained in described service attribute territory, and described UE attribute is unique;
Sending module, for sending the DCI of described configuration module configuration on described PDCCH.
Preferably,
The corresponding service attribute territory of each business; When the business that described UE carries is more than or equal to 2, the transmission means of any two business is identical or not identical;
The UE attribute of each business of described UE carrying is identical.
Preferably,
Described configuration module also configures the corresponding degree of polymerization for DCI when carrying N number of business for described UE and candidate's level refers to:
According to the maximum number W of described UE bearer service and the type of each multi-service DCI, configuration degree of polymerization S set and candidate's level set M, wherein, S={s
1, s
2... s
k, M={m
1, m
2... m
k, 1≤k≤W;
For DCI when described UE carries N number of business configures degree of polymerization s
pand candidate level m
p, wherein, 1≤p≤k, 1≤N≤W.
Preferably,
According to the maximum number W of described UE bearer service and the type of each multi-service DCI, configuration degree of polymerization S set and candidate's level set M refer to:
The situation described UE being carried i business and UE carrying i+j business is divided into a type, wherein, and 0≤j≤1,1≤i≤W;
When the maximum number of described UE bearer service is W, be divided into k type;
Degree of polymerization s is configured when same type
pand configuration candidate level degree m
p.
Preferably,
Described service dispatching information comprises modulation system, Resourse Distribute, HARQ re-transmission and precoding.
The degree of polymerization S-candidate level M sets definition of such scheme is not unique, can under the background of the factor such as multi-service number N, transmission means, communication scenes taking into full account UE, define multiple S-M to gather, carry out DCI adaptive scheduling and blind Detecting, the availability of frequency spectrum of PDCCH transmission when improve same UE multi-service, and according to the suitable degree of polymerization set of multi-service type categorizing selection, ensureing the transmission performance of control channel, the DCI decreasing receiver side UE detects number of times.
Accompanying drawing explanation
Fig. 1 is the method schematic diagram that two uplink service DCI12 of UE1 in the embodiment of the present invention one send;
Fig. 2 is the method schematic diagram that three downlink business DCI15 of UE2 in the embodiment of the present invention one send;
Fig. 3 is the method schematic diagram that four downlink business DCI18 of UE3 in the embodiment of the present invention one send;
Fig. 4 is the structural representation of the device that in the embodiment of the present invention one, multi-service control channel sends.
Embodiment
For making the object of the application, technical scheme and advantage clearly understand, hereinafter will by reference to the accompanying drawings the embodiment of the application be described in detail.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.
For improving the availability of frequency spectrum of PDCCH channel, a kind of method that the present inventor provides multi-service control channel to send, select suitable DCI to dispatch degree of polymerization S-candidate level M set according to multi-service actual conditions, thus realize high spectrum utilization and the reliably control channel transmission of multi-service control channel.Specifically comprise following technical scheme:
The method that multi-service control channel sends, be applied to physical downlink control channel PDCCH, it is characterized in that, described method comprises:
Step one, when user equipment (UE) carries N number of business, configuration multi-service Downlink Control Information DCI, 1≤N;
Described multi-service DCI comprises service attribute and UE attribute, and described service attribute is the service attribute territory set separately of described N number of business, and service dispatching information is contained in described service attribute territory, and described UE attribute is unique.
The corresponding service attribute territory of each business; When the business that described UE carries is more than or equal to 2, the transmission means of any two business is identical or not identical, and the UE attribute of each business of described UE carrying is identical; Described service dispatching information comprises modulation system, Resourse Distribute, HARQ re-transmission and precoding etc.
Step 2, DCI when to carry N number of business for described UE configure the corresponding degree of polymerization and candidate's level;
Specifically comprise:
According to the maximum number W of described UE bearer service and the type of each multi-service DCI, configuration degree of polymerization S set and candidate's level set M, wherein, S={s
1, s
2... s
k, M={m
1, m
2... m
k, 1≤k≤W;
In concrete operating process, the situation described UE being carried i business and UE carrying i+j business is divided into a type, wherein, and 0≤j≤1,1≤i≤W; When the maximum number of described UE bearer service is W, be divided into k type;
Degree of polymerization s is configured when same type
pand configuration candidate level degree m
p;
For DCI when described UE carries N number of business configures degree of polymerization s
pand candidate level m
p, wherein, 1≤p≤k, 1≤N≤W.
Step 3, on described PDCCH, send described DCI.
Needs illustrate, s
pand m
pvalue can do corresponding setting according to actual conditions, be not specifically limited at this.
Below, carry at most 3 business for UE and illustrate degree of polymerization S-candidate level M set division rule:
When UE carries at most 3 business, the rule of following 3 kinds of definition degree of polymerization S-candidate level M set can be had:
The first rule, according to 3 kinds of business concrete conditions, UE can be carried 1 delineation of activities is a type, and carrying 2 delineations of activities is a type, and carrying 3 delineations of activities is a type, under this division rule, S={s
1, s
2, s
3, M={m
1, m
2, m
3; S is got during carrying 1 business
1, m
1, during carrying 2 business, get s
2, m
2, during carrying 3 business, get s
3, m
3;
The second rule, it is a type that UE is carried 1 or 2 delineation of activities, and carrying 3 delineations of activities is a type, under this division rule, S={s
1, s
2, M={m
1, m
2; S is got during carrying 1 or 2 business
1, m
1, during carrying 3 business, get s
2, m
2;
The third rule, UE being carried 1 delineation of activities is a type, and carrying 2 or 3 delineations of activities is a type, under this division rule, S={s
1, s
2, M={m
1, m
2, get s during carrying 1 business
1, m
1, during carrying 2 or 3 business, get s
2, m
2.
As 1<i<W, UE carries the situation of i business can be divided into separately a type, and the situation that also can carry i+1 or i-1 business with UE is divided into a class.
To be described in further detail technical scheme of the present invention below in conjunction with accompanying drawing.
Embodiment one:
As shown in Figure 1, UE1 has 2 uplink services, adopts identical radiation pattern, i.e. single antenna port emission mode.Corresponding multi-service DCI12, transmission mode is TM12.Owing to only having 2 kinds of business, so DCI12 adopts S
1=[1,2,4,8] the control channel cell CCE degree of polymerization, M
1=[6,6,2,2] candidate's level carries out dispatching and detecting.
As shown in Figure 2, UE2 has 3 downlink business, adopts different radiation patterns, namely adopts transmit diversity, the large 8 layers of wave beam forming emission mode postponing CDD and port 7-14 respectively.Corresponding multi-service DCI15, transmission mode is TM15.Owing to there being 3 kinds of business, so DCI15 adopts S
2=[2,4,8,16] the CCE degree of polymerization, M
2=[2,2,2,2] candidate's level carries out dispatching and detecting.
In the present embodiment, the content of DCI15 comprises: 1) 1# service attribute bag, and this business adopts resource allocation type 0, takies 0 ~ 3# Resource Block RB, the schedule informations such as MCS=4, RV=0, NDI=0; 2) 2# service attribute bag, this business adopts resource allocation type 0, takies 8 ~ 35#RB, the MCS=16 of transportblock1, the MCS=16 of RV=0, NDI=0, transportblock2, the schedule informations such as RV=0, NDI=0.3) 3# service attribute bag, this business adopts resource allocation type 0, take 40 ~ 79#RB, the MCS=20 of transportblock1, RV=0, NDI=0, the MCS=25 of transportblock2, RV=0, NDI=0, the schedule informations such as Antennaport (s), scramblingidentityandnumberoflayers=7.Carrierindicator=0 is defined, the information composition UE attribute kit such as SRSrequest=1 in the UE attribute of DCI.Three service attribute bag concatenated in order, in afterbody affix UE attribute kit, form the multi-service DCI15 of UE2.
As shown in Figure 3, UE3 has 4 downlink business, adopts transmit diversity, transmit diversity, large delay CDD and Closed-Loop Spatial Multiplexing emission mode respectively.Corresponding multi-service DCI18, transmission mode is TM18.Owing to there being 4 kinds of business, so DCI18 adopts S
3=[4,8,16,32] the CCE degree of polymerization, M
3=[2,2,2,2] candidate's level carries out dispatching and detecting.
When UE3 has 4 downlink business, the content of DCI18 comprises: 1) 1# service attribute bag, and this business adopts resource allocation type 0, takies 0 ~ 7#RB, the schedule informations such as MCS=9, RV=0, NDI=0; 2) 2# service attribute bag, this business adopts resource allocation type 0, takies 8 ~ 19#RB, the schedule informations such as MCS=15, RV=0, NDI=0; 3) 3# service attribute bag, this business adopts resource allocation type 0, takies 32 ~ 47#RB, the MCS=20 of transportblock1, the MCS=20 of RV=0, NDI=0, transportblock2, the schedule informations such as RV=0, NDI=0, Precodinginformation=2.4) 4# service attribute bag, this business adopts resource allocation type 0, takies 80 ~ 91#RB, the MCS=25 of transportblock1, the MCS=25 of RV=0, NDI=0, transportblock2, the schedule informations such as RV=0, NDI=0, Precodinginformation=2.Carrierindicator=1 is defined, the information composition UE attribute kit such as SRSrequest=1 in the UE attribute of DCI.Three service attribute bag concatenated in order, in afterbody affix UE attribute kit, form the multi-service DCI18 of UE3.
The multi-service control channel design that the present invention proposes improves control channel transmission spectrum utilance during same UE multi-service circumstances, select suitable DCI degree of polymerization set, ensure that the transmission performance of control channel, also reduce blind Detecting number of times, thus complete efficient, multi-service communication reliably.
Meanwhile, the device that the application also provides a kind of multi-service control channel to send, be applied to physical downlink control channel PDCCH, described device comprises:
Configuration module 11, for when user equipment (UE) carries N number of business, configuration multi-service Downlink Control Information DCI, 1≤N; Also configure the corresponding degree of polymerization and candidate's level for DCI when carrying N number of business for described UE;
Wherein, described multi-service DCI comprises service attribute and UE attribute, and described service attribute is the service attribute territory set separately of described N number of business, and service dispatching information is contained in described service attribute territory, and described UE attribute is unique;
Sending module 12, for sending the DCI of described configuration module configuration on described PDCCH.
Preferably,
The corresponding service attribute territory of each business; When the business that described UE carries is more than or equal to 2, the transmission means of any two business is identical or not identical;
The UE attribute of each business of described UE carrying is identical.
Preferably,
Described configuration module 11 also configures the corresponding degree of polymerization for DCI when carrying N number of business for described UE and candidate's level refers to:
According to the maximum number W of described UE bearer service and the type of each multi-service DCI, configuration degree of polymerization S set and candidate's level set M, wherein, S={s
1, s
2... s
k, M={m
1, m
2... m
k, 1≤k≤W;
For DCI degree of polymerization s when described UE carries N number of business
pand candidate level m
p, wherein, 1≤p≤k, 1≤N≤W.
Preferably,
According to the maximum number W of described UE bearer service and the type of each multi-service DCI, configuration degree of polymerization S set and candidate's level set M refer to:
The situation described UE being carried i business and UE carrying i+j business is divided into a type, wherein, and 0≤j≤1,1≤i≤W;
When the maximum number of described UE bearer service is W, be divided into k type;
Degree of polymerization s is configured when same type
pand configuration candidate level degree m
p.
Preferably,
Described service dispatching information comprises modulation system, Resourse Distribute, HARQ re-transmission and precoding.
The present invention also can have other various embodiments.Such as, the definition of LTE descending multi-service DCI format has multiple, can define some typical format with actual communications applications scene that is suitable for here.Meanwhile, consider that the situation of bearer service number can cause DCI length different, so define the transmission detection perform that suitable CCE degree of polymerization set can ensure DCI neatly.The Rational Classification of degree of polymerization set, decreases DCI and detects number of times.When not deviating from the present invention's spirit and essence thereof, those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the present invention.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.The all or part of step that one of ordinary skill in the art will appreciate that in said method is carried out instruction related hardware by program and is completed, and described program can be stored in computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can use one or more integrated circuit to realize, and correspondingly, each module/module in above-described embodiment can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.The application is not restricted to the combination of the hardware and software of any particular form.
Claims (10)
1. a method for multi-service control channel transmission, be applied to physical downlink control channel PDCCH, it is characterized in that, described method comprises:
When user equipment (UE) carries N number of business, configuration multi-service Downlink Control Information DCI, 1≤N;
Described multi-service DCI comprises service attribute and UE attribute, and described service attribute is the service attribute territory set separately of described N number of business, and service dispatching information is contained in described service attribute territory, and described UE attribute is unique;
For DCI when described UE carries N number of business configures the corresponding degree of polymerization and candidate's level;
Described PDCCH sends described DCI.
2. the method for claim 1, is characterized in that:
The corresponding service attribute territory of each business; When the business that described UE carries is more than or equal to 2, the transmission means of any two business is identical or not identical;
The UE attribute of each business of described UE carrying is identical.
3. method as claimed in claim 2, is characterized in that:
The corresponding degree of polymerization is configured and candidate's level comprises for DCI when described UE carries N number of business:
According to the maximum number W of described UE bearer service and the type of each multi-service DCI, configuration degree of polymerization S set and candidate's level set M, wherein, S={s
1, s
2... s
k, M={m
1, m
2... m
k, 1≤k≤W;
For DCI when described UE carries N number of business configures degree of polymerization s
pand candidate level m
p, wherein, 1≤p≤k, 1≤N≤W.
4. method as claimed in claim 3, is characterized in that:
According to the maximum number W of described UE bearer service and the type of each multi-service DCI, configuration degree of polymerization S set and candidate's level set M comprise:
The situation described UE being carried i business and subscriber equipment carrying i+j business is divided into a type, wherein, and 0≤j≤1,1≤i≤W;
When the maximum number of described UE bearer service is W, be divided into k type;
Degree of polymerization s is configured when same type
pand configuration candidate level degree m
p.
5. the method as described in as arbitrary in claim 1-4, is characterized in that:
Described service dispatching information comprises modulation system, Resourse Distribute, HARQ re-transmission and precoding.
6. a device for multi-service control channel transmission, be applied to physical downlink control channel PDCCH, it is characterized in that, described device comprises:
Configuration module, for when user equipment (UE) carries N number of business, configuration multi-service Downlink Control Information DCI, 1≤N; Also configure the corresponding degree of polymerization and candidate's level for DCI when carrying N number of business for described UE;
Wherein, described multi-service DCI comprises service attribute and UE attribute, and described service attribute is the service attribute territory set separately of described N number of business, and service dispatching information is contained in described service attribute territory, and described UE attribute is unique;
Sending module, for sending the DCI of described configuration module configuration on described PDCCH.
7. device as claimed in claim 6, is characterized in that:
The corresponding service attribute territory of each business; When the business that described UE carries is more than or equal to 2, the transmission means of any two business is identical or not identical;
The UE attribute of each business of described UE carrying is identical.
8. device as claimed in claim 7, is characterized in that:
Described configuration module also configures the corresponding degree of polymerization for DCI when carrying N number of business for described UE and candidate's level refers to:
According to the maximum number W of described UE bearer service and the type of each multi-service DCI, configuration degree of polymerization S set and candidate's level set M, wherein, S={s
1, s
2... s
k, M={m
1, m
2... m
k, 1≤k≤W;
For DCI when described UE carries N number of business configures degree of polymerization s
pand candidate level m
p, wherein, 1≤p≤k, 1≤N≤W.
9. device as claimed in claim 8, is characterized in that:
According to the maximum number W of described UE bearer service and the type of each multi-service DCI, configuration degree of polymerization S set and candidate's level set M refer to:
The situation described UE being carried i business and UE carrying i+j business is divided into a type, wherein, and 0≤j≤1,1≤i≤W;
When the maximum number of described UE bearer service is W, be divided into k type;
Degree of polymerization s is configured when same type
pand configuration candidate level degree m
p.
10. the device as described in as arbitrary in claim 6-9, is characterized in that:
Described service dispatching information comprises modulation system, Resourse Distribute, HARQ re-transmission and precoding.
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| CN201410493803.5A CN105515718B (en) | 2014-09-19 | 2014-09-24 | A kind of method and apparatus that multi-service control channel is sent |
| PCT/CN2015/074403 WO2015154611A1 (en) | 2014-09-19 | 2015-03-17 | Method and device for transmitting multi-service control channel |
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| CN2014104847017 | 2014-09-19 | ||
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| WO2019161549A1 (en) * | 2018-02-23 | 2019-08-29 | Oppo广东移动通信有限公司 | Downlink control information transmission method, terminal device and network device |
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| CN102685059A (en) * | 2012-04-26 | 2012-09-19 | 重庆重邮信科通信技术有限公司 | Signal receiving method and device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019047095A1 (en) * | 2017-09-07 | 2019-03-14 | 北京小米移动软件有限公司 | Method and device for detecting scheduling signaling, user equipment, and base station |
| WO2019161549A1 (en) * | 2018-02-23 | 2019-08-29 | Oppo广东移动通信有限公司 | Downlink control information transmission method, terminal device and network device |
| US11516836B2 (en) | 2018-02-23 | 2022-11-29 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Downlink control information transmission method, terminal device and network device |
| CN110677217A (en) * | 2018-07-03 | 2020-01-10 | 电信科学技术研究院有限公司 | Data transmission method and device |
| CN110677217B (en) * | 2018-07-03 | 2021-05-11 | 电信科学技术研究院有限公司 | Data transmission method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105515718B (en) | 2019-11-15 |
| WO2015154611A1 (en) | 2015-10-15 |
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