CN106549744A - Carrier wave collocation, information transferring method and device - Google Patents
Carrier wave collocation, information transferring method and device Download PDFInfo
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- CN106549744A CN106549744A CN201510613956.3A CN201510613956A CN106549744A CN 106549744 A CN106549744 A CN 106549744A CN 201510613956 A CN201510613956 A CN 201510613956A CN 106549744 A CN106549744 A CN 106549744A
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- frequency band
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
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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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/0008—Wavelet-division
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention discloses a kind of carrier wave collocation, information transferring method and device, the carrier wave collocation includes：Selected section transmission band is configured for the dedicated frequency band for transmitting type I information；Remaining frequency band beyond by dedicated frequency band described in transmission band, is configured to time division multiplex radio frames or full duplex radio frame；The remaining frequency band is used to transmit the second category information.
Description
Technical field
The present invention relates to wireless communication field, more particularly to a kind of carrier wave collocation, information transferring method and
Device.
Background technology
Existing communication system can be based on two kinds of standard work, and one kind is FDD (FDD, Frequency
Division Duplex) standard, one kind is time division duplex (TDD, Time Division Duplex).
As shown in figure 1, in FDD standards, downlink transfer and uplink are carried on paired frequency spectrum,
I.e. two different frequency bands are respectively using then uplink and downlink transfer.So, downlink transfer and up
Transmission FDD, it is to avoid band interference each other.
As shown in Fig. 2 in TDD standards, downlink transfer and uplink are carried on same frequency, under
Row transmission and uplink common-frequency time division duplex, it is to avoid time slot interference each other, for the ease of dispatching,
Simplify Feedback Design etc..Fig. 2 is only a kind of time division multiplex radio frames of TDD standards configuration.
FDD standards and TDD standards have been maximally maintained the concordance of frame structure design, such as adopt
Isometric subframe (Sub-frame) structure：Each subframe be 1ms, comprising two 0.5ms when
Gap；10 subframes constitute the radio frames (Radio Frame) of a 10ms.It is different from FDD standards
, special subframe is introduced in the corresponding frame structure of TDD standards, special subframe is by descending pilot frequency time slot
(DwPTS, Downlink Pilot Time Slot), protection interval (GP, Guard Period) with
And uplink pilot time slot (UpPTS, Uplink Pilot Time Slot) three parts composition.Wherein, D tables
Show descending sub frame, U represents sub-frame of uplink.S represents special subframe.
FDD standards have TDD institutes nothing in terms of the network coverage, time slot seriality, retransmission delay time, mobility
The advantage of method analogy；But TDD is in spectral flexibility, and also reasonable service adaptation, it is adapted to industry
Business demand carries out flexible configuration.
Obviously, all there is which in above two standard, therefore on proposing that one kind can overcome in the prior art
The communication standard for stating problem is problem demanding prompt solution.
The content of the invention
In view of this, the embodiment of the present invention is expected to provide a kind of carrier wave collocation, information transferring method and dress
Put, at least partly can solve the above problems.
To reach above-mentioned purpose, the technical scheme is that what is be achieved in that：Embodiment of the present invention first party
Face provides a kind of carrier wave collocation, and methods described includes：
Selected section transmission band is configured for the dedicated frequency band for transmitting type I information；
Remaining frequency band beyond by dedicated frequency band described in transmission band, is configured to time division multiplex radio frames or complete
Duplex wireless frame；The remaining frequency band is used to transmit the second category information.
Based on such scheme, the dedicated frequency band includes up special subband and downlink dedicated subband；Wherein,
The up special subband is used to transmit the first kind uplink information in the type I information；It is described descending special
It is used to transmit the first kind downlink information in the type I information with subband.
Based on such scheme, the selected section transmission band is configured for transmitting the special of type I information
Frequency band, including：
The part of time division multiplex TDD frequency band is intercepted as the dedicated frequency band.
Based on such scheme, the selected section transmission band is configured for transmitting the special of type I information
Frequency band, including：
The some uplink band configurations for intercepting frequency division multiplexing FDD frequency bands are up special subband；Wherein,
The up special subband is used to transmit the first kind uplink information in the type I information；
It is described by dedicated frequency band described in transmission band beyond remaining frequency band, be configured to time division multiplex radio frames
Or full duplex radio frame, including：
By the remaining frequency band in the upstream transmission frequency band in addition to the up special subband, it is configured to described
Time division multiplex radio frames or full duplex radio frame.
Based on such scheme, the selected section transmission band is configured for transmitting the special of type I information
Frequency band, including：
The part downlink transfer band configurations for intercepting frequency division multiplexing FDD frequency bands are downlink dedicated subband；Wherein,
The downlink dedicated subband is used to transmit the first kind downlink information in the type I information；
It is described by dedicated frequency band described in transmission band beyond remaining frequency band, be configured to time division multiplex radio frames
Or full duplex radio frame, including：
By the remaining frequency band in the downlink transfer frequency band in addition to the downlink dedicated subband, when configuring described
Divide multiplexing radio frames or full duplex radio frame.
Based on such scheme, the type I information includes retransmission information and/or feedback information and/or propagation delay time
Require less than specified time delay and data volume is less than the packet of specified threshold.
Based on such scheme, methods described also includes：
Form dedicated frequency band resource indication information；The dedicated frequency band resource indication information is described special for indicating
Use frequency band；
The dedicated frequency band resource indication information is sent to terminal.
Based on such scheme, methods described also includes：
Form transmission band configured information；The transmission band configured information at least includes that control resource indicates letter
At least within two of breath, service resources configured information and dedicated frequency band resource indication information；The control
Resource indication information is for the control frame in the time division multiplex radio frames or the full duplex radio frame；It is described
Service resources configured information is for the traffic frame in the time division multiplex radio frames or the full duplex radio frame；
The dedicated frequency band resource indication information may be used to indicate the dedicated frequency band；
The transmission band configured information is sent to terminal.
Embodiment of the present invention second aspect provides a kind of information transferring method, and methods described includes：
Using the dedicated frequency band transmission type I information in transmission band；
The time division multiplex radio frames that configure on remaining frequency band beyond using dedicated frequency band described in transmission band or
Full duplex radio frame transmits the second category information.
Based on such scheme, the dedicated frequency band include up special subband and downlink dedicated subband at least its
One of；The up special subband is used to transmit the first kind uplink information；The downlink dedicated subband
For transmitting the first kind downlink information.
Based on such scheme, the type I information includes retransmission information feedback information.
The embodiment of the present invention third aspect provides a kind of carrier wave configuration device, and described device includes：
First dispensing unit, is configured for transmitting the special of type I information for selected section transmission band
Frequency band；
Second dispensing unit, for the remaining frequency band beyond by dedicated frequency band described in transmission band, is configured to
Time division multiplex radio frames or the transmission of full duplex radio frame；The remaining frequency band is used to transmit the second category information.
Based on such scheme, the dedicated frequency band includes up special subband and downlink dedicated subband；Wherein,
The up special subband is used to transmit the first kind uplink information in the type I information；It is described descending special
It is used to transmit the first kind downlink information in the type I information with subband.
Based on such scheme, first dispensing unit, specifically for intercepting the part of TDD frequency bands as institute
State dedicated frequency band.
Based on such scheme, first dispensing unit, the portion specifically for intercepting frequency division multiplexing FDD frequency bands
Point upstream transmission frequency band is configured to up special subband；Wherein, the up special subband is described for transmitting
First kind uplink information in type I information；
Second dispensing unit, specifically for the up special subband being removed in the upstream transmission frequency band
Remaining frequency band in addition, is configured to the time division multiplex radio frames or full duplex radio frame.
Based on such scheme, first dispensing unit, the portion specifically for intercepting frequency division multiplexing FDD frequency bands
Downlink transfer band configurations are divided to be downlink dedicated subband；Wherein, the downlink dedicated subband is described for transmitting
First kind downlink information in type I information；
Second dispensing unit, specifically for the downlink dedicated subband being removed in the downlink transfer frequency band
Remaining frequency band in addition, configures the time division multiplex radio frames or full duplex radio frame time division multiplex radio frames.
Based on such scheme, described device also includes：
First forms unit, for forming dedicated frequency band resource indication information；The dedicated frequency band resource is indicated
Information is used to indicate the dedicated frequency band；
First transmitting element, for sending the dedicated frequency band resource indication information to terminal.
Based on such scheme, described device also includes：
Second forms unit, forms transmission band configured information；The transmission band configured information at least includes
Control resource indication information, service resources configured information and dedicated frequency band resource indication information at least within
Two；The control resource indication information is used for the time division multiplex radio frames or the full duplex radio frame time-division is multiple
With the control frame in radio frames；The service resources configured information is used for the time division multiplex radio frames or complete double
Traffic frame in work radio frames time division multiplex radio frames；The dedicated frequency band resource indication information may be used to indicate
The dedicated frequency band；
Second transmitting element, for sending the transmission band configured information to terminal.
Embodiment of the present invention fourth aspect provides a kind of information carrying means, and described device includes：
First transmission unit, for using the dedicated frequency band transmission type I information in transmission band；
Second transmission unit, for configuring on the remaining frequency band beyond using dedicated frequency band described in transmission band
The second category information of time division multiplex radio frames.
Based on such scheme, the dedicated frequency band include up special subband and downlink dedicated subband at least its
One of；The up special subband is used to transmit the first kind uplink information；The downlink dedicated subband
For transmitting the first kind downlink information.
Carrier wave collocation, information transferring method and device described in the embodiment of the present invention, sets in transmission carrier wave
Put dedicated frequency band and using the remaining band configurations beyond dedicated frequency band into time division multiplex radio frames or full duplex without
Line frame, thus the easy fusion for realizing FDD standards and TDD standards, is configured by means of which
Radio frames communicated, can be good at the advantage of compatible TDD standards and FDD standards, with utilization
The propagation delay time of the type I information of dedicated frequency band transmission is little, the features such as the flexible configuration of radio frames.
Description of the drawings
Fig. 1 is a kind of carrier wave allocative effect schematic diagram of FDD standards；
Fig. 2 is a kind of carrier wave allocative effect schematic diagram of TDD standards；
Fig. 3 is the schematic flow sheet of the first carrier wave collocation provided in an embodiment of the present invention；
Fig. 4 is the first carrier wave allocative effect schematic diagram provided in an embodiment of the present invention；
Fig. 5 is second carrier wave allocative effect schematic diagram provided in an embodiment of the present invention；
Fig. 6 is the third carrier wave allocative effect schematic diagram provided in an embodiment of the present invention；
Fig. 7 a are the 4th kind of carrier wave allocative effect schematic diagram provided in an embodiment of the present invention；
Fig. 7 b are the 5th kind of carrier wave allocative effect schematic diagram provided in an embodiment of the present invention；
Fig. 8 is the schematic flow sheet of second carrier wave collocation provided in an embodiment of the present invention；
Fig. 9 is the schematic flow sheet of the third carrier wave collocation provided in an embodiment of the present invention；
Figure 10 is a kind of schematic flow sheet of information transferring method provided in an embodiment of the present invention；
Figure 11 is a kind of structural representation of carrier wave configuration device provided in an embodiment of the present invention；
Figure 12 is a kind of structural representation of information carrying means provided in an embodiment of the present invention.
Specific embodiment
Technical scheme is done below in conjunction with Figure of description and specific embodiment and further explain in detail
State.
Embodiment of the method one：
As shown in Figure 3, a kind of carrier wave collocation is present embodiments provided, methods described includes：
Step S110：Selected section transmission band is configured for the dedicated frequency band for transmitting type I information；
Step S120：Remaining frequency band beyond by dedicated frequency band described in transmission band, is configured to time division multiplex
Radio frames or full duplex radio frame；The remaining frequency band is used to transmit the second category information.
Multiple carrier waves constitute frequency band, and the frequency of carrier wave is the frequency of the frequency band.Method described in the present embodiment
It is commonly used in the network element of network side, such as in the equipment such as evolved base station eNB.The equipment such as eNB are using this
Embodiment methods described, can carry out carrier wave configuration automatically.
During type I information described in the present embodiment and second category information can be base station and terminal communication
Different Content of Communication.
Fractional transmission frequency band is set to into dedicated frequency band in step s 110, you can include：In the dedicated frequency band
FDD frames are configured using frequency division multiplexing standard.Wherein, the dedicated frequency band may include up special subband with
At least one of the special subband of row；The up special subband is used to transmit first in type I information
Class uplink information；The downlink dedicated subband is used to transmit first kind downlink information in type I information.Work as institute
Stating dedicated frequency band includes up special subband and downlink dedicated subband, like this, it is possible to using special frequency
Band carries out duplex communication.For example, base station sends the type I information to terminal using downlink dedicated frequency band,
Terminal sends the type I information to base station using the up dedicated frequency band.
The time division multiplex radio frames are the radio frames configured using TDD standards.Remaining frequency in transmission band
Band is then using time-division TDD standard being configured.The time division multiplex radio frames include control frame and business
Frame；The control frame can be used to transmit control information；The traffic frame can be used for transmission services data.It is described
Equations of The Second Kind information includes Equations of The Second Kind uplink information and Equations of The Second Kind downlink information.The time division multiplex radio frames are to adopt
The frame configured with TDD standards, and the dedicated frequency band is to be configured using FDD standards, it is clear that in this reality
Apply described in example in transmission band while be mixed with FDD standards and TDD is indicated, two kinds of standards can be absorbed
The advantage brought by the configuration communication resource, while the shortcoming of other side is overcome using mutual shortcoming.
The full duplex radio frame can be in a subframe while the biography of uplink and downlink transfer can be carried out
Defeated frame, but this is when carrying out downstream transmission simultaneously, by the technical office such as isolation technology or ELIMINATION OF ITS INTERFERENCE technology
Manage to solve interfering for up-downgoing.
In the step s 120, can be configured with simultaneously on the different frequency range of the remaining frequency band multiple time division multiplexes without
Line frame or full duplex radio frame, like this, at a moment of the remaining frequency band, potentially include up
In transmission subframe and/or downlink transfer subframe.
The information for communicating between base station and terminal in the present embodiment is divided into two big class, is type I information respectively
With the second category information, and respectively with dedicated frequency band and dedicated frequency band beyond remaining frequency band transmitting.Described
One category information can be some because of transmission abnormality or the caused information of transmission fault, like this using special frequency
Transmission is brought, propagation delay time is reduced.And the proper communication data in communication process can be believed as the Equations of The Second Kind
Breath, is transmitted using the time division multiplex radio frames, like this, it is possible to increase the flexible configuration of radio frames
Property.
Carrier wave collocation described in the present embodiment, while make use of FDD standards and TDD standards to be matched somebody with somebody
Put, so can sufficiently utilize the various advantages of FDD frames and time division multiplex radio frames, and mutually overcome
Single type frame, such carrier wave configuration result have enable terminal and/or base station at any time in institute
To state dedicated frequency band carry out the transmission of the type I information, it is to avoid the propagation delay time of type I information is big to ask
Topic.Simultaneously in the remaining frequency band, the second category information is transmitted using TDD, so can be according to adaptation service
The configuration of radio frames is flexibly carried out, and realizes the fusion of tdd frame and FDD frames well.
The bandwidth of dedicated frequency band and the remaining frequency band described in step S110 and step S120, can
Arranged according to the information interaction amount of type I information described in communication system and the second category information.Usual information
Interactive quantity is bigger, then the bandwidth of the transmission band is wider.For example specify in the time before counting current time
The information interaction amount of the type I information, the type I information for estimating the current cycle estimate interactive quantity；
Based on it is described estimate that interactive quantity determines the dedicated frequency band estimate bandwidth；Band width configuration institute is estimated based on described
State dedicated frequency band.Provided herein is a kind of dynamic configuration mode, when implementing, is also provided a kind of
Static configuration mode, then, in the static configuration mode, step S110 and step S120 are by reading
Configuration parameter, is respectively configured out the dedicated frequency band and the time division multiplex radio frames.
In carrier wave collocation described in the present embodiment, step S110 and step S120 do not have certain
Sequencing, can be as shown in Figure 3, and step S110 is performed, it is also possible to first carry out step S120, then
Execution step S110.
Using the carrier wave collocation described in the present embodiment with the frequency band schematic diagram for postponing, can be such as Fig. 4 and Fig. 5
It is shown.Be configured in the diagram time division multiplex radio frames the remaining band separation up special subband and
The downlink dedicated subband.In Figure 5, the up special subband and downlink dedicated subband continuous distribution.
Each moment in the corresponding remaining frequency band of the time division multiplex radio frames may be configured with sub-frame of uplink and/
Or descending sub frame.The longitudinal axis in Fig. 4 and Fig. 5 is frequency, is represented with alphabetical f.
Used as the concrete restriction of the present embodiment, the first kind uplink information includes uplink retransmission information, and/
Or the transmission of uplink feedback information, and/or propagation delay time is required less than specified time delay and data volume is less than specified threshold
The packet of value；The first kind downlink information includes the biography of descending retransmission information and/or downlink feedback information
It is defeated.The uplink retransmission information and the descending retransmission information are the re-transmission retransmitted between terminal and base station
Information；The uplink feedback information and the feedback information that downlink feedback information is terminal and base station phase mutual feedback.
The packet of the specified time delay and data volume less than specified threshold.The specified time delay can be to set in advance in advance
Can time span, it is concrete as propagation delay time requires to be less than 1ms, less than 10 Transmission Time Intervals
(transmission time interval, TTI) or 5 TTI's.The specified threshold can be 50 bytes
Or 20 bytes, the less packet of data volume.
Like this, using the setting of dedicated frequency band, retransmission information and feedback information can timely be realized
Transmission.
When the transmission band is existing TDD frequency bands, step S110 specifically may include：Intercept
The part of TDD frequency bands as the dedicated frequency band, the dedicated frequency band include up special subband and it is descending specially
Use subband.The thus easy transformation realized to existing TDD frequency band, Fig. 6 are to carry described in the present embodiment
Ripple collocation method, a kind of effect diagram to the configuration of TDD frequency bands.And in TDD frequencies in the present embodiment
While the special subband of collocating uplink and downlink dedicated subband, facilitate communication system to carry out based on dedicated frequency band in band
The communication of full duplex.
The transmission band also FDD frequency bands, the FDD frequency bands include upstream transmission frequency band and downlink transfer
Frequency band.
When the transmission band is FDD frequency bands, step S110 may include：Intercept frequency division multiplexing FDD
The some uplink band configurations of frequency band are up special subband.Step S120 may include：Will be described
Remaining frequency band in upstream transmission frequency band in addition to the up special subband, be configured to the time division multiplex without
Line frame or full duplex radio frame.Obviously by uplink subband arrangement FDD frequency bands upstream transmission frequency band
In, realize preferably compatible with prior art.When configuring in the upstream transmission frequency band of FDD frequency bands simultaneously
Divide multiplexing radio frames or full duplex radio frame.And time division multiplex radio frames typically each include uplink subframe and
Downlink transfer subframe, full duplex radio frame both can carry out downstream transmission in same subframe simultaneously,
Like this, downlink transfer can be also carried out in existing FDD frequency bands.Due to time division multiplex radio frames
The motility of configuration, it is clear that broken the upstream transmission frequency band collocating uplink transmission subframe being only capable of in FDD frequency bands
Limitation, realize FDD frequency bands and more flexibly configure.
When the transmission band is FDD frequency bands, step S110 may include：Intercept frequency division multiplexing FDD
The part downlink transfer band configurations of frequency band are downlink dedicated subband；Step S120 may include：Will be described
Remaining frequency band in downlink transfer frequency band in addition to the downlink dedicated subband, configures the time division multiplex wireless
Frame or full duplex radio frame.Shown in Fig. 5 is to descending biography in FDD frequency bands using the present embodiment methods described
The skin allocative effect schematic diagram of defeated frequency band.
In the present embodiment by the downlink dedicated subband arrangement in the downlink transfer frequency band of FDD frequency bands, so as to
The fusion with prior art can be preferably realized, while matching somebody with somebody in the downlink transfer frequency band of the FDD frequency bands
Having put to carry out the time division multiplex radio frames or full duplex radio frame of uplink, such carrier wave collocation,
The advantage of FDD frames and tdd frame can have been drawn simultaneously, and has mutually been overcome using tdd frame and FDD frames
Mutual shortcoming, can reduce the propagation delay time of type I information, and can preferably be fitted using tdd frame
Use business need.Shown in Fig. 7 a is to uplink frequency in FDD frequency bands using the present embodiment methods described
The skin allocative effect schematic diagram of band.Shown in Fig. 7 b is in FDD frequency bands using the present embodiment methods described
The skin allocative effect schematic diagram of upstream transmission frequency band.
After carrier wave configuration is finished, also need configuration result to notify to terminal, facilitate base station and terminal
Between information exchange, by configuration result notify terminal mode have various, two kinds presented below be capable of achieving side
Formula：
Mode one：
As further improvement of this embodiment, as shown in figure 8, methods described also includes：
Step S131：Form dedicated frequency band resource indication information；The dedicated frequency band resource indication information is used for
Indicate the dedicated frequency band；
Step S141：The dedicated frequency band resource indication information is sent to terminal.
The dedicated frequency band resource indication information may include identification information of dedicated frequency band etc..The identification information
May include the frequency point information of the numbering or dedicated frequency band of dedicated frequency band.The dedicated frequency band resource indication information is also
May include the information such as the resource quantity and resource location of the dedicated frequency band.
The dedicated frequency band resource can be sent to terminal by broadcast or mode of unicast in step s 141 to indicate
Information.Specifically such as, the dedicated frequency band money is issued to the terminal using system message or control signaling of having no time
Source configured information.
This when, terminal give tacit consent to the remaining frequency band described in the transmission band beyond dedicated frequency band, quilt
Configuration is for time division multiplex radio frames.
Mode two：
As shown in figure 9, methods described also includes：
Step S132：Form transmission band configured information；The transmission band configured information at least includes control
At least within two of resource indication information, service resources configured information and dedicated frequency band resource indication information；
The control resource indication information is for the control frame in the time division multiplex radio frames or full duplex radio frame；
The service resources configured information is for the traffic frame in the time division multiplex radio frames or full duplex radio frame；
The dedicated frequency band resource indication information may be used to indicate the dedicated frequency band.
Step S142：The transmission band configured information is sent to terminal.
Above-mentioned transmission band configured information may include resource identification, resource location and number of resources in the present embodiment
The information such as amount.After so terminal receives the transmission band configured information, it becomes possible to determine and work as forward pass
The carrier wave configuration structure of defeated frequency band.
In the present embodiment, the transmission band configured information may include to control resource indication information, business money
Source configured information and dedicated frequency band resource indication information, also can only include control resource indication information, business money
The two of which of source configured information and dedicated frequency band resource indication information.
When only described control resource indication information, service resources configured information and dedicated frequency band resource indication information
When only including two of above-mentioned three kinds of resource indication informations, terminal receive the transmission band configured information it
Afterwards, acquiescence residue transmission resource is the resource of the instruction for not passing through transmission band configured information automatically.So may be used
To reduce the transmissions field number and quantity of information of configured information between terminal and base station.
A specific example presented below, in the single carrier TDD system such as a 10MHz, in LTE
In amount to and have 50 wireless resource blocks (RB, radio block), the numbering of these resources is from 0 to 49.Person
50 RB parts correspond to the dedicated frequency band, partly to the control frame for time division multiplex radio frames, portion
Divide the traffic frame for time division multiplex radio frames.The traffic frame may include sub-frame of uplink and descending sub frame, then
To the resource in requisition for up-link carrier and descending carrier.
The transmission band configured information, only including two fields, then now, field one may be used to indicate control
The RB resource quantities of carrier occupancy processed, field two can be used to represent that up-link carrier takes carrier resource quantity.
After terminal receives above-mentioned two field, give tacit consent to field one and field two described in the transmission band and do not refer to
The resource for illustrating is the corresponding carrier resource of the dedicated frequency band.
It should be noted that TDD frequency bands described in the present embodiment can be to adopt TDD systems in prior art
Formula configuring time division is multiplexed radio frames, and the frequency band communicated using time division multiplex radio frames.The FDD frequencies
Band to configure FDD radio frames using FDD standards in prior art, and can be led to using FDD radio frames
The frequency band of letter.
Embodiment of the method two：
As shown in Figure 10, the present embodiment provides a kind of information transferring method, and methods described includes：
Step S210：Using the dedicated frequency band transmission type I information in transmission band；
Step S220：The time-division configured on remaining frequency band beyond using dedicated frequency band described in transmission band is multiple
The second category information is transmitted with radio frames or full duplex radio frame.
Method described in the present embodiment be can using with base station and/or terminal in method.
The transmission band has been divided into dedicated frequency band and the residue in addition to the dedicated frequency band in the present embodiment
Frequency band.The dedicated frequency band is the special frequency band for arranging and out transmitting the type I information, therefore is used
FDD standards are configured.
The time division multiplex radio frames are configured using TDD standards.The full duplex radio frame is can be
Same subframe carries out downstream transmission.
An obvious transmission band employs TDD standards simultaneously and FDD standards are configured, can either be right
Fractional transmission resource carries out flexible configuration, is also convenient for the flexible transmission of the type I information, and real well
The configuration of the TDD standards and the FDD standards to transmission band is showed.
When the transmission band can be TDD frequency bands.Like this, then the dedicated transmissions frequency band be then from
The partial-band selected in TDD frequency bands, it may include uplink subband and downlink transfer subband.On described
Row transmission subband is used to transmit first kind uplink information, and the downlink transfer subband can be used to transmit under the first kind
Row information.
Upstream transmission frequency band in the transmission band is FDD frequency bands, the dedicated frequency band may include up
Special subband.Downlink transfer frequency band in the transmission band is FDD frequency bands, the dedicated frequency band can be wrapped
Include downlink transfer subband.Remaining frequency band of the upstream transmission frequency band in addition to the up special subband is all used
In being configured to the time division multiplex radio frames.The downlink transfer frequency band is in addition to the downlink dedicated subband
Remaining frequency band is all used for being configured to the time division multiplex radio frames.
When the method described in the present embodiment, when being applied in base station, methods described also includes, by the transmission
The configuration information of frequency band is sent to terminal, so facilitates terminal to receive described first to corresponding running time-frequency resource
Category information and the second category information.
When the method described in the present embodiment, when being applied in terminal, also include obtaining the transmitting pin from base station
The configuration information of band.Such as terminal passes through to receive broadcast, system message or dedicated signaling, so as to base station
Locate dedicated frequency band resource indication information or transmission band configured information described in method of reseptance embodiment one, obtain
The configuration message of the transmission band is taken, which is partly dedicated frequency band so as to facilitate terminal to know transmission band,
Which is partly arranged to time division multiplex radio frames, and then facilitates the information exchange between terminal and base station.
The type I information can be that retransmission information and/or feedback information and/or propagation delay time are required less than specified
The packet of time delay and data volume less than specified threshold.Second category information is outside the type I information
Base station and terminal between the information that interacts.The retransmission information may include uplink retransmission information and descending re-transmission
Information.The feedback information includes uplink feedback information and downlink feedback information.If the propagation delay time is required
Less than specified time delay and data volume becomes the first packet, first data less than the packet of specified threshold
Bag may include up first packet and descending first packet.Certainly the uplink retransmission information, it is described on
Row feedback information and up first packet can be the ingredient of the first kind uplink information.Institute
State descending retransmission information, the downlink feedback information and descending first packet and can be the first kind
The ingredient of downlink information.
When the method described in the present embodiment, when being applied in terminal, the terminal is preferably with Radio frequency interference
In the equipment of elimination ability, for example, it is adaptable to which the terminal for eliminating ability with full duplex Radio frequency interference is chosen.
Such as, the transmission power of base station be 43dbBm, receiving power scope more than -43dBm, this when institute
State terminal to be preferably capable in the terminal for eliminate 86dBm interference.The terminal in the present embodiment is simulation letter
Number anti-interference terminal, contributes to providing transmission and the interactive efficiency of communication system.
Apparatus embodiments one：
As shown in figure 11, the present embodiment provides a kind of carrier wave configuration device, and described device includes：
First dispensing unit 110, is configured for transmitting type I information for selected section transmission band
Dedicated frequency band；
Second dispensing unit 120, for the remaining frequency band beyond by dedicated frequency band described in transmission band, matches somebody with somebody
It is set to time division multiplex radio frames or full duplex radio frame；The remaining frequency band is used to transmit the second category information.
The described carrier wave configuration device of this enforcement can be base station, the network side element such as such as eNB.
The concrete structure of first dispensing unit 110 and second dispensing unit 120 may each comprise process
Device or process circuit.The processor may include application processor, central processing unit, microprocessor, numeral
The processing structure such as signal indicator or programmable array, the process circuit may include special IC.The place
Reason device or process circuit can realize above-mentioned first dispensing unit 110 and the second configuration by performing appointment codes
The function of unit 120.
First dispensing unit 110 and second dispensing unit 120 can be with integrated corresponding to same place
Reason device or process circuit, it is also possible to correspond respectively to different processors or process circuit.Correspond to when integrated
When same processor or process circuit, the processor or process circuit adopt time division multiplex or concurrent thread point
Manage 120 corresponding function of first dispensing unit 110 and second dispensing unit in other places.
In a word, a kind of carrier wave configuration device is present embodiments provided, FDD standards and TDD will be adopted simultaneously
Standard is configured, and like this, realizes the fusion of FDD standards and TDD standards first, so as to
Meet the main trend of existing communication development.Secondly, by this fusion, can be good at retaining FDD and
The advantage of TDD, realizes the flexible configuration of the flexible transmission and transmission band of type I information.
Further, the dedicated frequency band includes up special subband and downlink dedicated subband；Wherein, it is described
Up special subband is used to transmit the first kind uplink information in the type I information；Downlink dedicated
Band is used to transmit the first kind downlink information in the type I information.
The dedicated frequency band includes up special subband and downlink dedicated subband in the present embodiment, facilitates terminal
First uplink information and base station are transmitted using downlink transfer subband to end to base station using uplink subband
The end transmission first kind downlink information；The duplex communication based on dedicated frequency band is realized, so as to reduce the first kind
The propagation delay time of information.The type I information can be retransmission information and/or feedback information.
It is specifically：First dispensing unit 110, the portion specifically for intercepting time division multiplex TDD frequency band
It is allocated as the dedicated frequency band.To be configured to using the partial-band in TDD frequency bands in the present embodiment described special
With frequency band, like this, and the remainder of TDD frequency bands still uses the configuration of time division multiplex radio frames, this
Sample obviously can realize the fusion configuration of above-mentioned FDD and TDD.
Further, first dispensing unit 110, also particularly useful for intercepting frequency division multiplexing FDD frequency bands
Some uplink band configurations are up special subband；Wherein, the up special subband is used to transmit institute
State the first kind uplink information in type I information；Second dispensing unit 120, specifically for will be described
Remaining frequency band in upstream transmission frequency band in addition to the up special subband, be configured to the time division multiplex without
Line frame or full duplex radio frame.
First dispensing unit 110, the part downlink transfer specifically for intercepting frequency division multiplexing FDD frequency bands
Band configurations are downlink dedicated subband；Wherein, the downlink dedicated subband is used to transmit the type I information
In first kind downlink information；Second dispensing unit 120, specifically for by the downlink transfer frequency band
In remaining frequency band in addition to the downlink dedicated subband, configure the time division multiplex radio frames or full duplex without
Line frame.
Transmission band described in the present embodiment can also be FDD frequency bands, the carrier wave configuration dress described in the present embodiment
This structure put, also easy to realize existing FDD frequency bands, mixed configuration is to include time division multiplex
The structure of radio frames and FDD radio frames, realizes the fusion of FDD and TDD.
Additionally, described device also includes：
Unit is formed, for forming dedicated frequency band resource indication information；The dedicated frequency band resource indication information
For indicating the dedicated frequency band；
First transmitting element, for sending the dedicated frequency band resource indication information to terminal.
The first formation unit described in the present embodiment, it is also possible to including aforesaid processor or process circuit, can
It is integrated corresponding to identical processor or process with first dispensing unit and/or second integrated unit
Circuit.
First transmitting element may include wireless communication interface, such as X2 interface, disappear for sending to terminal
The interface of breath.
After so facilitating terminal to receive the dedicated frequency band configured information, described the is sent in dedicated frequency band
One category information, the second category information described in the remaining frequency band transmission in non-dedicated frequency band.
For another example, described device also includes：
Second forms unit, forms transmission band configured information；The transmission band configured information at least includes
Control resource indication information, service resources configured information and dedicated frequency band resource indication information at least within
Two；The control resource indication information is for the control in the time division multiplex radio frames or full duplex radio frame
Frame processed；The service resources configured information is for the industry in the time division multiplex radio frames or full duplex radio frame
Business frame；The dedicated frequency band resource indication information may be used to indicate the dedicated frequency band；
Second transmitting element, for sending the transmission band configured information to terminal.
The second formation unit described in the present embodiment is similar with the structure that described first forms unit, except for the difference that,
What the second formation unit was formed is transmission band configured information, and the first formation unit formation is special
Frequency band configured information.
Second transmitting element may also comprise communication interface, the communication interface can such as X2 interface, for
Terminal sends above- mentioned information.
Device described in the present embodiment, can adopt the dynamic configuration mode described in embodiment of the method one in a word
Or static configuration mode configures carrier wave, can be same to have flexibly as the enforcement hardware of embodiment of the method one
Support the advantages of different business amount proportioning code, support full-duplex communication.
Apparatus embodiments two：
As shown in figure 12, the present embodiment provides a kind of information carrying means, and described device includes：
First transmission unit 210, for using the dedicated frequency band transmission type I information in transmission band；Institute
Stating type I information includes first kind downlink information and/or first kind uplink information；The dedicated frequency band includes
At least one of the special subband of row and downlink dedicated subband；The up special subband is described for transmitting
First kind uplink information；The downlink dedicated subband is used to transmit the first kind downlink information；
Second transmission unit 220, for the remaining frequency band beyond using dedicated frequency band described in transmission band
The time division multiplex radio frames of configuration or full duplex radio frame transmit the second category information.
Information carrying means described in the present embodiment can be base station or terminal etc., can carry out setting for radio communication
It is standby.First transmission unit 210 and second transmission unit 220 may correspond both to communication interface, such as
X2 interface of base station etc., or the dual-mode antenna of base station etc..
First transmission unit 210 and the second transmission unit 220, can be communicated corresponding in base station with integrated
Dual-mode antenna in interface or terminal.
In the present embodiment first transmission unit 210 using dedicated frequency band transmit type I information, second
Transmission unit 220 using the second category information of remaining frequency band transmission beyond dedicated frequency band, and the second category information is
Sent using the time division multiplex radio frames or full duplex radio frame that are configured on remaining frequency band, therefore the present embodiment
Described information carrying means is the enterprising row data biography of carrier wave in FDD standards and the fusion configuration of TDD standards
It is defeated, can compatibility FDD standards and the characteristics of TDD standards, realize type I information timely transmission and
The flexible configuration of different business amount ratio.
Specifically, the dedicated frequency band includes at least one of up special subband and downlink dedicated subband；
The up special subband is used to transmit the first kind uplink information；The downlink dedicated subband is used to transmit
The first kind downlink information.
The type I information may include that retransmission information, transmission of feedback information delay requirement are little in the present embodiment
In specifying at least one of time delay and data volume less than the packet of specified threshold.Second category information
For the communication information beyond the type I information.The type I information can be divided into first kind uplink information again
With first kind downlink information；The first kind uplink information may include uplink retransmission information, uplink feedback information
And the above-mentioned packet of uplink.The first kind downlink information can wrap descending retransmission information, downstream feedback
The above-mentioned packet of information and downlink transfer.
When the information carrying means described in the present embodiment is terminal, first transmission unit 210 and described
Second transmission unit both corresponds to the transmission antenna in terminal, and the terminal will also include corresponding to reception antenna
Receiving unit, for the transmission band configured information that terminates to mention in previous embodiment or dedicated frequency band resource
Configured information, like this, facilitates terminal to understand the configuration of current carrier, so as to carry out the first kind letter
The transmission of breath and the second category information.
In several embodiments provided herein, it should be understood that disclosed apparatus and method,
Can realize by another way.Apparatus embodiments described above are only schematic, for example,
The division of the unit, only a kind of division of logic function can have other division when actually realizing
Mode, such as：Multiple units or component can be combined, or be desirably integrated into another system, or some are special
Levy and can ignore, or do not perform.In addition, the coupling each other of shown or discussed each ingredient,
Or direct-coupling or communication connection can be the INDIRECT COUPLINGs or logical by some interfaces, equipment or unit
Letter connection, can be electrical, machinery or other forms.
It is above-mentioned as separating component explanation unit can be, or may not be it is physically separate, make
For the part that unit shows can be, or may not be physical location, you can with local positioned at one,
Can also be distributed on multiple NEs；Can select therein part or all of according to the actual needs
Unit is realizing the purpose of this embodiment scheme.
In addition, each functional unit in various embodiments of the present invention can be fully integrated into a processing module
In, or each unit individually as a unit, it is also possible to two or more unit collection
Into in a unit；Above-mentioned integrated unit both can be realized in the form of hardware, it would however also be possible to employ
Hardware adds the form of SFU software functional unit to realize.
One of ordinary skill in the art will appreciate that：Realize all or part of step of said method embodiment
Can be completed by the related hardware of programmed instruction, aforesaid program can be stored in a computer-readable
Take in storage medium, the program upon execution, performs the step of including said method embodiment；And it is aforementioned
Storage medium include：Movable storage device, read only memory (ROM, Read-Only Memory),
Random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various
Can be with the medium of store program codes.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited to
In this, any those familiar with the art the invention discloses technical scope in, can be easily
Expect change or replacement, should all be included within the scope of the present invention.Therefore, protection of the invention
Scope should be defined by the scope of the claims.
Claims (20)
1. a kind of carrier wave collocation, it is characterised in that methods described includes：
Selected section transmission band is configured for the dedicated frequency band for transmitting type I information；
Remaining frequency band beyond by dedicated frequency band described in transmission band, is configured to time division multiplex radio frames or complete
Duplex wireless frame；The remaining frequency band is used to transmit the second category information.
2. method according to claim 1, it is characterised in that
The dedicated frequency band includes up special subband and downlink dedicated subband；Wherein, the up special son
Band is used to transmit the first kind uplink information in the type I information；The downlink dedicated subband is used to transmit
First kind downlink information in the type I information.
3. method according to claim 1 and 2, it is characterised in that
The selected section transmission band is configured for the dedicated frequency band for transmitting type I information, including：
The part of time division multiplex TDD frequency band is intercepted as the dedicated frequency band.
4. method according to claim 1 and 2, it is characterised in that
The selected section transmission band is configured for the dedicated frequency band for transmitting type I information, including：
The some uplink band configurations for intercepting frequency division multiplexing FDD frequency bands are up special subband；Wherein,
The up special subband is used to transmit the first kind uplink information in the type I information；
It is described by dedicated frequency band described in transmission band beyond remaining frequency band, be configured to time division multiplex radio frames
Or full duplex radio frame, including：
By the remaining frequency band in the upstream transmission frequency band in addition to the up special subband, it is configured to described
Time division multiplex radio frames or full duplex radio frame.
5. method according to claim 3, it is characterised in that
The selected section transmission band is configured for the dedicated frequency band for transmitting type I information, including：
The part downlink transfer band configurations for intercepting frequency division multiplexing FDD frequency bands are downlink dedicated subband；Wherein,
The downlink dedicated subband is used to transmit the first kind downlink information in the type I information；
It is described by dedicated frequency band described in transmission band beyond remaining frequency band, be configured to time division multiplex radio frames
Or full duplex radio frame, including：
By the remaining frequency band in the downlink transfer frequency band in addition to the downlink dedicated subband, when configuring described
Divide multiplexing radio frames or full duplex radio frame.
6. method according to claim 1 and 2, it is characterised in that
The type I information includes that retransmission information and/or feedback information and/or propagation delay time are required less than specified
The packet of time delay and data volume less than specified threshold.
7. method according to claim 1 and 2, it is characterised in that
Methods described also includes：
Form dedicated frequency band resource indication information；The dedicated frequency band resource indication information is described special for indicating
Use frequency band；
The dedicated frequency band resource indication information is sent to terminal.
8. method according to claim 1 and 2, it is characterised in that
Methods described also includes：
Form transmission band configured information；The transmission band configured information at least includes that control resource indicates letter
At least within two of breath, service resources configured information and dedicated frequency band resource indication information；The control
Resource indication information is for the control frame in the time division multiplex radio frames or the full duplex radio frame；It is described
Service resources configured information is for the traffic frame in the time division multiplex radio frames or the full duplex radio frame；
The dedicated frequency band resource indication information may be used to indicate the dedicated frequency band；
The transmission band configured information is sent to terminal.
9. a kind of information transferring method, it is characterised in that methods described includes：
Using the dedicated frequency band transmission type I information in transmission band；
The time division multiplex radio frames that configure on remaining frequency band beyond using dedicated frequency band described in transmission band or
Full duplex radio frame transmits the second category information.
10. method according to claim 9, it is characterised in that
The dedicated frequency band includes at least one of up special subband and downlink dedicated subband；On described
The special subband of row is used to transmit the first kind uplink information；The downlink dedicated subband is used to transmit described the
One class downlink information.
11. methods according to claim 9 or 10, it is characterised in that
The type I information includes that retransmission information and/or feedback information and/or propagation delay time are required less than specified
The packet of time delay and data volume less than specified threshold.
12. a kind of carrier wave configuration devices, it is characterised in that described device includes：
First dispensing unit, is configured for transmitting the special of type I information for selected section transmission band
Frequency band；
Second dispensing unit, for the remaining frequency band beyond by dedicated frequency band described in transmission band, is configured to
Time division multiplex radio frames or the transmission of full duplex radio frame；The remaining frequency band is used to transmit the second category information.
13. devices according to claim 12, it is characterised in that
The dedicated frequency band includes up special subband and downlink dedicated subband；Wherein, the up special son
Band is used to transmit the first kind uplink information in the type I information；The downlink dedicated subband is used to transmit
First kind downlink information in the type I information.
14. devices according to claim 12 or 13, it is characterised in that
First dispensing unit, specifically for intercepting the part of time division multiplex TDD frequency band as described special
Frequency band.
15. devices according to claim 12 or 13, it is characterised in that
First dispensing unit, some uplink frequency band specifically for intercepting frequency division multiplexing FDD frequency bands
It is configured to up special subband；Wherein, the up special subband is used to transmit in the type I information
First kind uplink information；
Second dispensing unit, specifically for the up special subband being removed in the upstream transmission frequency band
Remaining frequency band in addition, is configured to the time division multiplex radio frames or full duplex radio frame.
16. devices according to claim 15, it is characterised in that
First dispensing unit, the part downlink transfer frequency band specifically for intercepting frequency division multiplexing FDD frequency bands
It is configured to downlink dedicated subband；Wherein, the downlink dedicated subband is used to transmit in the type I information
First kind downlink information；
Second dispensing unit, specifically for the downlink dedicated subband being removed in the downlink transfer frequency band
Remaining frequency band in addition, configures the time division multiplex radio frames or full duplex radio frame time division multiplex radio frames.
17. devices according to claim 12 or 13, it is characterised in that
Described device also includes：
First forms unit, for forming dedicated frequency band resource indication information；The dedicated frequency band resource is indicated
Information is used to indicate the dedicated frequency band；
First transmitting element, for sending the dedicated frequency band resource indication information to terminal.
18. devices according to claim 12 or 13, it is characterised in that
Described device also includes：
Second forms unit, forms transmission band configured information；The transmission band configured information at least includes
Control resource indication information, service resources configured information and dedicated frequency band resource indication information at least within
Two；The control resource indication information is used for the time division multiplex radio frames or the full duplex radio frame time-division is multiple
With the control frame in radio frames；The service resources configured information is used for the time division multiplex radio frames or complete double
Traffic frame in work radio frames time division multiplex radio frames；The dedicated frequency band resource indication information may be used to indicate
The dedicated frequency band；
Second transmitting element, for sending the transmission band configured information to terminal.
19. a kind of information carrying means, it is characterised in that described device includes：
First transmission unit, for using the dedicated frequency band transmission type I information in transmission band；
Second transmission unit, for configuring on the remaining frequency band beyond using dedicated frequency band described in transmission band
The second category information of time division multiplex radio frames.
20. devices according to claim 19, it is characterised in that
The dedicated frequency band includes at least one of up special subband and downlink dedicated subband；On described
The special subband of row is used to transmit the first kind uplink information；The downlink dedicated subband is used to transmit described the
One class downlink information.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510613956.3A CN106549744B (en) | 2015-09-23 | 2015-09-23 | Carrier wave collocation, information transferring method and device |
| PCT/CN2016/099427 WO2017050208A1 (en) | 2015-09-23 | 2016-09-20 | Carrier configuration method, and information transmission method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510613956.3A CN106549744B (en) | 2015-09-23 | 2015-09-23 | Carrier wave collocation, information transferring method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106549744A true CN106549744A (en) | 2017-03-29 |
| CN106549744B CN106549744B (en) | 2019-05-14 |
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| CN201510613956.3A Active CN106549744B (en) | 2015-09-23 | 2015-09-23 | Carrier wave collocation, information transferring method and device |
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| CN (1) | CN106549744B (en) |
| WO (1) | WO2017050208A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108738146A (en) * | 2017-04-24 | 2018-11-02 | 中兴通讯股份有限公司 | The configuration method and node of radio resource and power |
| WO2020052032A1 (en) * | 2018-09-11 | 2020-03-19 | 京信通信系统（中国）有限公司 | Method for checking carrier configuration, device, apparatus, and medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101009514A (en) * | 2006-01-26 | 2007-08-01 | 中兴通讯股份有限公司 | A system and method for cooperative dual duplex |
| CN101527886A (en) * | 2008-03-04 | 2009-09-09 | 中兴通讯股份有限公司 | Mixed duplex realization method based on separated service and control as well as data transmission method |
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2015
- 2015-09-23 CN CN201510613956.3A patent/CN106549744B/en active Active
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- 2016-09-20 WO PCT/CN2016/099427 patent/WO2017050208A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101009514A (en) * | 2006-01-26 | 2007-08-01 | 中兴通讯股份有限公司 | A system and method for cooperative dual duplex |
| CN101527886A (en) * | 2008-03-04 | 2009-09-09 | 中兴通讯股份有限公司 | Mixed duplex realization method based on separated service and control as well as data transmission method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108738146A (en) * | 2017-04-24 | 2018-11-02 | 中兴通讯股份有限公司 | The configuration method and node of radio resource and power |
| CN108738146B (en) * | 2017-04-24 | 2024-01-05 | 中兴通讯股份有限公司 | Method for configuring radio resource and power, and node |
| WO2020052032A1 (en) * | 2018-09-11 | 2020-03-19 | 京信通信系统（中国）有限公司 | Method for checking carrier configuration, device, apparatus, and medium |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017050208A1 (en) | 2017-03-30 |
| CN106549744B (en) | 2019-05-14 |
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