CN105792186A - Long term evolution railway system and calling method - Google Patents
Long term evolution railway system and calling method Download PDFInfo
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- CN105792186A CN105792186A CN201410789654.7A CN201410789654A CN105792186A CN 105792186 A CN105792186 A CN 105792186A CN 201410789654 A CN201410789654 A CN 201410789654A CN 105792186 A CN105792186 A CN 105792186A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/08—Trunked mobile radio systems
Abstract
The invention discloses a long term evolution railway system and a calling method of the long term evolution railway system; wherein the long term evolution railway system comprises an LTE-R (Long Term Evolution-Railway) core network and at least one eNodeB; wherein the LTE-R core network comprises at least one MME-R (Mobility Management Entity used for Railway) for mobility and load management; at least one GW-R (Gateway used for Railway) for managing railway service load and routing and forwarding railway service data; at least one HSS-R (Home Subscriber Server used for Railway) for managing signing data and authenticating subscribers; and a DSS (Dispatch System Server) for dispatching railway trains; wherein the at least one eNodeB is connected with the at least one MME-R and the at least one GW-R and is used for providing air wireless load to the terminal. Through adoption of the system and the method, the railway communication efficiency is improved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of Long Term Evolution suitable in railway (LTE-Railway, referred to as LTE-R) system and method for calling.
Background technology
In recent decades, railway experienced by a series of technological progresses such as heavy haul transport, electrification innovation, Line of Existing Railway, high-speed railway, has promoted the development of Source of Railway Communication and Signalling.The direction of railway communication development is the communication system platform setting up voice data integration business, form modernization dispatching communication, public affair moves, information is transmitted, the communication system of Train Control integration, and provides the information of railway passenger shipping and other services in real time to society.
Along with improving constantly of rail transportation efficiency, modern railways is faced with a series of major issue: 1) ensureing on the basis of transportation safety, how to adopt higher speed, and better scheduling improves production efficiency；2) how to adopt and service fast and easily, promote travelling satisfaction；3) how utilizing existing infrastructure and communications facility, both can guarantee that top quality input-output ratio, can follow up again industry development simultaneously, to be maintained at the lasting advantage in competition.
Around the problems referred to above, in combination with Railroad Communication System present situation, International Union of Railways (InternationalUnionofRailways, referred to as UIC) determine based on Long Term Evolution (LongTermEvolution, referred to as LTE) the LTE technology (LTE-Railway, referred to as LTE-R) being exclusively used in railway of technology is as the developing direction of following Railroad Communication System.
Summary of the invention
The invention provides a kind of LTE-R system and method for calling, with at least for meeting the demand that rail transportation efficiency improves constantly.
According to an aspect of the invention, it is provided a kind of LTE-R system, including:
LTE-R core net, comprising: at least one is applicable to the mobile management unit (MobilityManagementEntityusedforRailway, referred to as MME-R) of railway, for mobility and bearer management；At least one is applicable to the gateway (GatewayusedforRailway, referred to as GW-R) of railway, for railway service bearer management, railway service data route and forwarding；At least one is applicable to the home subscriber server (HomeSubscriberServerusedforRailway, referred to as HSS-R) of railway, is used for managing subscription data and subscription authentication；Dispatching patcher server (DispatchSystemServer, referred to as DSS), for train dispatching；
The base station eNodeB of at least one evolution, is connected with at least one above-mentioned MME-R and at least one above-mentioned GW-R, for providing on-air radio carrying for terminal.
Further, at least one GW-R above-mentioned, also provide for external interface, said external interface is used for and at least one of communication: suitable in the global system for mobile communications GSM-R of railway, railway dispatching system, railway common exchanging telephone network PSTN.
Further, at least one GW-R above-mentioned is connected with gateway GW, uses said external interface by above-mentioned GW and PERCOM peripheral communication.
Further, at least one eNodeB above-mentioned, be additionally operable at least one of: multicast, group are exhaled, railway emergency call, tolling breakdown/cutting by force based on priority.
Further, at least one MME-R above-mentioned is additionally operable to process at least one of: Non-Access Stratum NAS signaling that group-call/multicast is relevant and safety；Bearer management/mobile management/Access Control/the session management of LTE-R business；Storing the attribute relevant to group-call/multicast, it includes at least one of: the Service Area information that group identifier, dispatcher address, priority and group-call/multicast are relevant.
Further, at least one HSS-R above-mentioned, it is used for managing user signing contract information, LTE-R service profile, group CAMEL-Subscription-Information, LTE-R user security information, LTE-R customer position information.
Further, above-mentioned terminal includes: mobile platform and fixed station, and wherein, above-mentioned mobile platform includes: locomotive platform, Che Changtai, general radio station, operation radio station, passenger's handheld terminal and other mobile terminal of passenger；Above-mentioned fixed station includes: the station console that the dispatching desk of TD person's use, Platform attendant use.
Further, above-mentioned LTE-R core net, also it is connected with application server, by above-mentioned application server and rds data communication system communication.
Further, above-mentioned DSS, at least one of: registering functional address, wherein, in the same time period, a functional address is only assigned to a user；Nullify functional address；Query function address；Response high-priority users nullifies the request of functional address, nullifies the functional address of low priority user, and informs described low priority user；Set up and safeguard fixed station number, corresponding relation between fixed station address and cell ID；Respond the calling based on functional addressing, carry out the conversion of function number and mobile station identity number, and forward calls to MME-R, assist MME-R to complete call establishment/release；The calling of response location dependent addressing, the corresponding relation according to mobile platform place cell ID with dispatching desk, assist MME-R to complete call establishment/release.
According to another aspect of the present invention, it is provided that the method for calling in a kind of LTE-R system, including: the calling based on functional addressing that response fixed station is initiated, inquire about the mobile station identity number that the function number of mobile carried in the first call request is corresponding；The mobile station identity number inquired is used to send the second call request to MME-R.
Further, said method also includes: in response to MME-R the first call replied, send the second call to above-mentioned fixed station, above-mentioned second call carries the information of the GW-R that the user plane data transfer obtained from above-mentioned first call uses.
Further, said method also includes: in response to function registration request, to mobile assignment function number, and sets up the corresponding relation of function number and mobile station identity number.
Further, above-mentioned mobile platform is the locomotive platform of train, and above-mentioned fixed station is dispatching desk.
By means of the invention it is possible to provide higher traffic rate for railway communication, thus improving the efficiency of railway transportation.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of LTE-R system according to embodiments of the present invention；
Fig. 2 is the flow chart of the method for calling in LTE-R system according to embodiments of the present invention；
Fig. 3 is the structural representation of the LTE-R system of an optional embodiment according to embodiments of the present invention；And
Fig. 4 is the flow chart of the method for calling of an optional embodiment according to embodiments of the present invention.
Detailed description of the invention
Below with reference to accompanying drawing and describe the present invention in detail in conjunction with the embodiments.It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
In embodiments of the present invention, it is provided that LTE-R system, Fig. 1 is the structural representation of LTE-R system according to embodiments of the present invention, as it is shown in figure 1, the LTE-R system of the embodiment of the present invention includes:
LTE-R core net 1, comprising: at least one MME-R10, for mobility and bearer management；At least one GW-R12, for railway service bearer management, railway service data route and forwarding；At least one HSS-R14, is used for managing subscription data and subscription authentication；DSS16, for train dispatching.
The base station eNodeB 2 of at least one evolution, is connected with at least one above-mentioned MME-R10 and at least one above-mentioned GW-R12, for providing on-air radio carrying for terminal.
In an optional embodiment of the embodiment of the present invention, at least one GW-R12 above-mentioned, also providing for external interface, said external interface is used for and at least one of communication: suitable in the global system for mobile communications (GSM-R) of railway, railway dispatching system, railway PSTN (PSTN).
In an optional embodiment of the embodiment of the present invention, at least one GW-R12 above-mentioned is connected with gateway (GW), uses said external interface by above-mentioned GW and PERCOM peripheral communication.
In an optional embodiment of the embodiment of the present invention, at least one eNodeB2 above-mentioned, be additionally operable at least one of: multicast, group are exhaled, railway emergency call, tolling breakdown/cutting by force based on priority.
In an optional embodiment of the embodiment of the present invention, at least one MME-R10 above-mentioned is additionally operable to process at least one of: Non-Access Stratum (NAS) signaling that group-call/multicast is relevant and safety；Bearer management/mobile management/Access Control/the session management of LTE-R business；Storing the attribute relevant to group-call/multicast, it includes at least one of: the Service Area information that group identifier, dispatcher address, priority and group-call/multicast are relevant.
In an optional embodiment of the embodiment of the present invention, at least one HSS-R14 above-mentioned, it is used for managing user signing contract information, LTE-R service profile, group CAMEL-Subscription-Information, LTE-R user security information, LTE-R customer position information.
In an optional embodiment of the embodiment of the present invention, above-mentioned terminal includes: mobile platform and fixed station, and wherein, above-mentioned mobile platform includes: locomotive platform, Che Changtai, general radio station, operation radio station, passenger's handheld terminal and other mobile terminal of passenger；Above-mentioned fixed station includes: the station console that the dispatching desk of TD person's use, Platform attendant use.
In an optional embodiment of the embodiment of the present invention, above-mentioned LTE-R core net 1, it is connected also by with application server, by above-mentioned application server and rds data communication system communication.
In an optional embodiment of the embodiment of the present invention, above-mentioned DSS16 is used at least one of: registering functional address, wherein, in the same time period, a functional address is only assigned to a user；Nullify functional address；Query function address；Response high-priority users nullifies the request of functional address, nullifies the functional address of low priority user, and informs described low priority user；Set up and safeguard fixed station number, corresponding relation between fixed station address and cell ID；Respond the calling based on functional addressing, carry out the conversion of function number and mobile station identity number, and forward calls to MME-R, assist MME-R to complete call establishment/release；The calling of response location dependent addressing, the corresponding relation according to mobile platform place cell ID with dispatching desk, assist MME-R to complete call establishment/release.
In embodiments of the present invention, any two in MME-R, HSS-R, GW-R and DSS, three or four network elements may be located on Same Physical equipment.
In embodiments of the present invention, additionally providing the method for calling in a kind of LTE-R system, Fig. 2 is the flow chart of the method for calling in LTE-R system according to embodiments of the present invention, as in figure 2 it is shown, this flow process comprises the following steps:
Step S202, the calling based on functional addressing that response fixed station is initiated, inquire about the mobile station identity number that the function number of mobile carried in the first call request is corresponding；
Step S204, uses the mobile station identity number inquired to send the second call request to MME-R.
In an optional embodiment of the embodiment of the present invention, said method also includes: in response to MME-R the first call replied, send the second call to above-mentioned fixed station, above-mentioned second call carries the information of the GW-R that the user plane data transfer obtained from above-mentioned first call uses.
In an optional embodiment of the embodiment of the present invention, said method also includes: in response to function registration request, to mobile assignment function number, and sets up the corresponding relation of function number and mobile station identity number.
In an optional embodiment of the embodiment of the present invention, above-mentioned mobile platform is the locomotive platform of train, and above-mentioned fixed station is dispatching desk.
The said method of the embodiment of the present invention can realize at DSS, certainly can also be realized by other network elements or logical block according to practical situation.
It is described below by an optional embodiment of the embodiment of the present invention.
In this optional embodiment, first the function of each network element in detailed description native system, then describes the function of inter-network-element interface, finally illustrates the use of native system.
One, each Network Element Function:
In this optional embodiment, provide a kind of LTE system suitable in railway, Fig. 3 is the structural representation of the LTE-R system of an optional embodiment according to embodiments of the present invention, as it is shown on figure 3, this system specifically includes that terminal, eNodeB, is suitable to the LTE core network of railway communication.The LTE core network being wherein suitable to railway communication includes MME-R, GW-R, HSS-R, DSS.
Terminal includes mobile platform and fixed station.Wherein move platform to include locomotive platform, Che Changtai, general radio station, run radio station, passenger's handheld terminal and other mobile terminal of passenger；The station console etc. that fixed station includes the dispatching desk of TD person's use, Platform attendant uses.
ENodeB and MME-R, GW-R are connected, and provide on-air radio carrying for the communication between terminal and core net.ENodeB support public network LTE function basis on also support the peculiar function of LTE-R, as group exhale, multicast, railway emergency call, tolling breakdown/cutting by force based on priority.
MME-R is mobile management entity, is responsible for mobility and bearer management.It on basis of MME repertoire, also supports the peculiar function of LTE-R, NAS signaling as relevant in group-call/multicast and safety in supporting public network LTE system；Bearer management/mobile management/Access Control/the session management of LTE-R business；Store the attribute (include Service Area information that group identifier, dispatcher address, priority and group-call/multicast relevant) relevant to group-call/multicast.
HSS-R is subscription data administrative center and AUC.It is supporting in public network LTE system outside the repertoire of HSS; also support the peculiar function of LTE-R; such as LTE-R user signing contract information, LTE-R service profile, group CAMEL-Subscription-Information, LTE-R user security information (e.g., authentication, mandate, integrity protection, encryption etc.), LTE-R customer position information etc..
GW-R supports the route/forwarding of service bearer management and data.It, supporting in public network LTE system outside the function of S-GW/P-GW, also should support the peculiar function of LTE-R, such as the foundation/deletion/amendment of LTE-R service bearer, the route of LTE-R data and forwarding etc..
DSS, as dispatching patcher server, is the core realizing train dispatching, its with MME-R, be connected.Train dispatching (adjusting hereinafter referred to as the row) function that DSS should support has: 1) support that dispatcher calls local indivedual trainmans by locomotive running number in the way of functional addressing；2) support that dispatcher issues voice broadcast service to local all locomotive platforms；3) support that dispatcher's group exhales local all trainmans；4) trainman that dispatcher's urgent call is local is supported；5) support that dispatcher's group exhales all trainmans in the Platform attendant at certain station local, assistant person on duty and this station compass of competency；6) dispatcher of train dispatching section belonging to the calling of trainman's opsition dependent addressing system is supported；7) dispatcher of train dispatching section belonging to trainman's in case of emergency urgent call is supported；8) support that trainman opsition dependent addressing system can call the Platform attendant closed on；9) indivedual trainmans that Platform attendant calls in compass of competency by locomotive running number in functional addressing mode are supported；10) Platform attendant group exhales all trainmans in compass of competency.
For this, the function that DSS supports includes: 1) support user's registering functional address；2) user log off functional address is supported；3) inquiry of functional address is supported；4) ensure that same function number of same time period is assigned to only a user；5) support the function number of high-priority users kick out low priority user, and inform low priority user；6) in order to realize location addressing, DSS can set up and safeguard fixed station number, corresponding relation between fixed station address and cell ID；7) when the calling based on functional addressing initiated by fixed station, complete the conversion of function number and MSISDN, and forward calls to MME-R, assist MME-R to complete call establishment/release；8) when the calling of Mobile Origination location dependent addressing, the corresponding relation according to mobile platform place cell ID with dispatching desk, assist MME-R to complete call establishment/release.
LTE-R core net suitable in railway communication also provides for external interface, and by this external interface, LTE-R system can be passed through to realize interconnecting between exterior gateway and GSM-R system, railway train adjusting system, railway PSTN private network.Simultaneously, suitable in the LTE-R core net of railway communication by being connected with outside APP server, interconnect (here, rds data communication system includes railroad train control system, car transferring system, passenger information system, railway video monitoring system, passenger's broadband services etc.) can be realized with rds data communication system.
Core network element MME-R, HSS-R, GW-R and DSS of providing in Fig. 3 can be concepts in logic, and in reality, any two, three or four network elements can be unified physically.
Two, system interface explanation
Uu mouth: the interface between mobile platform and eNodeB.It also should support the peculiar function of LTE-R in supporting public network LTE system on basis of Uu mouth function, the transmission of RRC signalling as relevant in LTE-R business, system message transmission, beep-page message transmission and user face data.
R6a is the interface between MME-R and HSS-R, when terminal initiation group is exhaled or terminal seizes ascending resource in existing group is exhaled, by the certification of this interface transmission terminal and authentication information between MME-R and HSS-R.
R11 interface is the interface between MME-R and GW-R, it is achieved the forwarding of signaling.
R6c interface is the interface between DSS and GW-R, sets up relevant signaling for transmitting carrying.
R6b interface is the interface between MME-R and DSS, and its function has:
1, when the calling based on functional addressing initiated by fixed station, DSS forwards calls to MME-R by this interface, assists MME-R to complete call establishment/release.
2, when the calling of Mobile Origination location dependent addressing, MME-R inquires about the dispatching desk number specified by this interface from DSS, and DSS assists MME-R to complete call establishment/release.
Three, the use of system
In this optional embodiment, the use of native system is described with " dispatcher calls local indivedual trainmans by locomotive running number in the mode of functional addressing ", Fig. 4 is the flow chart of the method for calling of an optional embodiment according to embodiments of the present invention, as shown in Figure 4, this flow process comprises the following steps:
Step S402, T4 train operator carries out function registration request at launch train forward direction DSS；
Step S404, DSS complete the registration of T4 train locomotive platform function number, and answer to locomotive platform response；
Step S406, dispatching desk needs the locomotive platform on calling train T4, initiates the calling based on functional addressing；
Step S408, DSS inquire about the terminal MS ISDN of its correspondence according to the function number carried in call request；
Step S410, DSS replace function number with No. MSISDN, send call request to MME-R；
Step S412, MME-R send the authentication request for dispatcher's identity to HSS-R；
Step S414, HSS-R reply authentication responses to MME-R；
Step S416, MME-R pager ride；
Step S418, locomotive platform returns page response；
Carry out carrying between step S420, MME-R and locomotive platform to set up, the GW-R that MME-R uses to the transmission of locomotive platform distributing user face data；
Step S422, MME-R return call by DSS to dispatching desk, carry the information of the GW-R that user plane data transfer uses in response, and the communication link between dispatching desk and locomotive platform is got through, and start call between dispatching desk and locomotive platform.
The system of this optional embodiment, supports and interconnecting between train dispatching system, train control system, railway PSTN private network, so this framework can support all railway service；It is inherited in LTE public network framework, supports all functions of public network LTE, can provide broadband access towards passenger, promote the trip satisfaction of passenger；It is inherited in LTE public network framework, so ensureing on the basis of transportation safety, higher speed can be adopted, faster and better scheduling, thus improving production efficiency.
Obviously, those skilled in the art should be understood that, each module of the above-mentioned present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or it is distributed on the network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, can be stored in storage device is performed by calculation element, and in some cases, shown or described step can be performed with the order being different from herein, or they are fabricated to respectively each integrated circuit modules, or the multiple modules in them or step are fabricated to single integrated circuit module realize.So, the present invention is not restricted to the combination of any specific hardware and software.
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.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (13)
1. the Long Term Evolution LTE-R system being applicable to railway, it is characterised in that including:
LTE-R core net, comprising: at least one is applicable to the mobile management unit MME-R of railway, for mobility and bearer management；At least one is applicable to the gateway GW-R of railway, for railway service bearer management, railway service data route and forwarding；At least one is applicable to the home subscriber server HSS-R of railway, is used for managing subscription data and subscription authentication；Dispatching patcher server DSS, for train dispatching；
The base station eNodeB of at least one evolution, is connected with MME-R at least one described and at least one described GW-R, for providing on-air radio carrying for terminal.
2. LTE-R system according to claim 1, it is characterised in that described DSS, at least one of:
Registering functional address, wherein, in the same time period, a functional address is only assigned to a user；
Nullify functional address；
Query function address；
Response high-priority users nullifies the request of functional address, nullifies the functional address of low priority user, and informs described low priority user；
Set up and safeguard fixed station number, corresponding relation between fixed station address and cell ID；
Respond the calling based on functional addressing, carry out the conversion of function number and mobile station identity number, and forward calls to MME-R, assist MME-R to complete call establishment/release；
The calling of response location dependent addressing, the corresponding relation according to mobile platform place cell ID with dispatching desk, assist MME-R to complete call establishment/release.
3. LTE-R system according to claim 1, it is characterized in that, at least one GW-R described, also providing for external interface, described external interface is used for and at least one of communication: suitable in the global system for mobile communications GSM-R of railway, railway dispatching system, railway common exchanging telephone network PSTN.
4. LTE-R system according to claim 3, it is characterised in that at least one GW-R described is connected with gateway GW, uses described external interface by described GW and PERCOM peripheral communication.
5. LTE-R system according to claim 1, it is characterised in that at least one eNodeB described, is additionally operable at least one of: multicast, group are exhaled, railway emergency call, tolling breakdown/cutting by force based on priority.
6. LTE-R system according to claim 1, it is characterised in that at least one MME-R described is additionally operable to process at least one of:
Non-Access Stratum NAS signaling that group-call/multicast is relevant and safety；
Bearer management/mobile management/Access Control/the session management of LTE-R business；
Storing the attribute relevant to group-call/multicast, it includes at least one of: the Service Area information that group identifier, dispatcher address, priority and group-call/multicast are relevant.
7. LTE-R system according to claim 1, it is characterised in that at least one HSS-R described, is used for managing user signing contract information, LTE-R service profile, group CAMEL-Subscription-Information, LTE-R user security information, LTE-R customer position information.
8. LTE-R system according to claim 1, it is characterised in that described terminal includes: mobile platform and fixed station, wherein,
Described mobile platform includes: locomotive platform, Che Changtai, general radio station, operation radio station, passenger's handheld terminal and other mobile terminal of passenger；
Described fixed station includes: the station console that the dispatching desk of TD person's use, Platform attendant use.
9. LTE-R system according to claim 1, it is characterised in that described LTE-R core net, is also connected with application server, by described application server and rds data communication system communication.
10. the method for calling suitable in the Long Term Evolution LTE-R system of railway, it is characterised in that including:
The calling based on functional addressing that response fixed station is initiated, inquires about the mobile station identity number that the function number of mobile carried in the first call request is corresponding；
The mobile station identity number inquired is used to send the second call request to the mobile management unit MME-R suitable in railway.
11. method according to claim 10, it is characterised in that also include:
In response to MME-R the first call replied, send the second call to described fixed station, described second call carries the information of the gateway GW-R being applicable to railway that the user plane data transfer obtained from described first call uses.
12. the method according to claim 10 or 11, it is characterised in that also include:
In response to function registration request, to mobile assignment function number, and set up the corresponding relation of function number and mobile station identity number.
13. the method according to any one of claim 10 to 12, it is characterised in that described mobile platform is the locomotive platform of train, described fixed station is dispatching desk.
Priority Applications (2)
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| CN201410789654.7A CN105792186A (en) | 2014-12-17 | 2014-12-17 | Long term evolution railway system and calling method |
| PCT/CN2015/085365 WO2016095530A1 (en) | 2014-12-17 | 2015-07-28 | Calling method and long term evolution system suitable for railway |
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| CN201410789654.7A CN105792186A (en) | 2014-12-17 | 2014-12-17 | Long term evolution railway system and calling method |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108260102A (en) * | 2018-01-04 | 2018-07-06 | 西南交通大学 | The car-ground communication Non-Access Stratum authentication methods of LTE-R based on allograph |
| CN108260102B (en) * | 2018-01-04 | 2020-06-02 | 西南交通大学 | LTE-R vehicle-ground communication non-access layer authentication method based on proxy signature |
| CN107948207A (en) * | 2018-01-05 | 2018-04-20 | 北京全路通信信号研究设计院集团有限公司 | A kind of track traffic broadband cluster system and communication means |
| CN109362060A (en) * | 2018-11-21 | 2019-02-19 | 通号通信信息集团有限公司 | A kind of functional addressing method and system suitable for railway wireless wide-band communication system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016095530A1 (en) | 2016-06-23 |
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