CN106231614A - A kind of method for transmitting signals and related network elements - Google Patents
A kind of method for transmitting signals and related network elements Download PDFInfo
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- CN106231614A CN106231614A CN201610619821.2A CN201610619821A CN106231614A CN 106231614 A CN106231614 A CN 106231614A CN 201610619821 A CN201610619821 A CN 201610619821A CN 106231614 A CN106231614 A CN 106231614A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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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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Abstract
The embodiment of the invention discloses a kind of method for transmitting signals and related network elements, method therein includes: when new wireless NR business is transmitted in unauthorized frequency range, and base station performs listem-before-talk LBT mechanism and judges whether to exist in Resource Block RB residue subframe；If existing, described base station selects to be applicable to the signal type of described NR business according to described NR type of service in described residue subframe；Described base station uses the signal type of described NR business to send the control signaling of described NR business to terminal in described residue subframe.In the embodiment of the present invention, use residue subframe to send the control signaling of described NR business, be conducive to carrying high channel resource use ratio.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method for transmitting signals and related network elements.
Background technology
The widespread deployment of cordless communication network can provide the user various communication service, such as voice, video, packet count
According to, message transmission, broadcast etc..These wireless networks can be can by share can Internet resources support multiple user
Multi-access network.The example of these multi-access networks includes CDMA (Code Division Multiple Access, CDMA)
Network, time division multiple acess (Time Division Multiple Access, TDMA) network, frequency division multiple access (Frequency
Division Multiple Access, FDMA) network, OFDM (Orthogonal Frequency Division
Multiple Access, OFDMA) network and single-carrier frequency division multiple access (Single-carrier Frequency-Division
Multiple Access, SC-FDMA) network and the next generation the most wireless (New Radio, NR) network (such as 5G).
The proposition of NR brings new opportunities and challenges, and three big main application scenarios of following NR business and demand are mainly wrapped
Include enhancement mode mobile broadband application (Enhanced mobile broadband, eMBB), super reliable and low time delay communication (Ultra
Reliable and low latency communications, URLLC) and a large amount of Internet of Things communication (Massive
Machine type communications, mMTC).Mobile broadband eMBB for enhancement mode.Under this application scenarios, intelligence
Can terminal use surf the Net peak rate 10Gbps to be reached even 20Gbps, for virtual reality, ubiquitous net cast and
Share, anywhere or anytime the big bandwidth applications such as cloud access provide and support.Internet of Things mMTC is connected for big.Under this scene, 5G
Network needs to support people and the connection of thing of 1,000,000/square kilometre scale.For low time delay, super reliable communication uRLLC, this
The time delay of scene requirement 5G network reaches 1 millisecond, controls for intelligence manufacture, remote mechanical, assists driving and automatic Pilot etc. low
Time delay business provides strong support.
For improving the utilization of frequency spectrum resource, third generation partner program (3rd Generation further
Partnership Project, 3GPP) introduce mandate frequency spectrum auxiliary access (Licensed Assisted Access, LAA)
Concept, its can by Long Term Evolution (Long Term Evolution, LTE) even NR authorize frequency spectrum help make
Use unauthorized frequency range.Meanwhile, for guaranteeing that LAA can coexist with existing access technology with open arms, it is proposed that a kind of listem-before-talk
(Listen Before Talk, LBT) mechanism carrys out collision free.If detecting in unlicensed spectrum, channel is in idle shape
State, just can take this channel and carry out signal transmission.In the case of normal cyclic prefix (Cyclic Prefix, CP), a resource
The block (Resource Block, RB) minimum length in time domain is 7 OFDM (Orthogonal Frequency
Division Multiplexing, OFDM) symbol, namely 0.5ms.In unauthorized frequency range, wireless system (includes later
NR system) LBT mechanism can be performed before using channel (or using RB), in order to judge whether channel can be used, and perform
The time of LBT is typically all Microsecond grade.But the problem that the introducing of LBT mechanism can produce new frequency spectrum resource utilization rate.
Summary of the invention
The embodiment of the present invention provides a kind of method for transmitting signals and related network elements, can improve the availability of frequency spectrum.
In first aspect, embodiments provide a kind of method for transmitting signals, including:
When new wireless NR business is transmitted in unauthorized frequency range, base station performs listem-before-talk LBT mechanism and judges resource
Whether block RB exists residue subframe；
If existing, described base station selects to be applicable to described NR business according to described NR type of service in described residue subframe
Signal type；
Described base station uses the signal type of described NR business to send described NR business to terminal in described residue subframe
Control signaling.
In second aspect, embodiments provide a kind of method for transmitting signals, including:
When new wireless NR business is transmitted in unauthorized frequency range, terminal performs listem-before-talk LBT mechanism and judges to be used for
Perform whether the Resource Block RB at described LBT mechanism place exists residue subframe；
If existing, described terminal sends the instruction message that there is residue subframe in described RB to base station；
Described terminal receives the described NR that described base station uses the signal type of NR business to send in described residue subframe
The control signaling of business, the signal type of described NR business by described base station in described residue subframe according to described NR service class
Selected by type.
In the third aspect, embodiments provide a kind of base station, including:
Judging unit, for when new wireless NR business is transmitted in unauthorized frequency range, performs listem-before-talk LBT mechanism also
Judge whether Resource Block RB exists residue subframe；
Selecting unit, if for there is described residue subframe, described residue subframe being selected according to described NR type of service
Select the signal type being applicable to described NR business；
Transmitting element, for using the signal type of described NR business to send described NR to terminal in described residue subframe
The control instruction of business.
In fourth aspect, embodiments provide a kind of terminal, including:
Judging unit, for when new wireless NR business is transmitted in unauthorized frequency range, performs listem-before-talk LBT mechanism also
Judge whether Resource Block RB exists residue subframe；
Transmitting element, if for there is described residue subframe, sends the instruction that there is residue subframe in described RB to base station
Message；
Receive unit, for receiving the institute that described base station uses the signal type of NR business to send in described residue subframe
State the control signaling of NR business, the signal type of described NR business by described base station in described residue subframe according to described NR industry
Selected by service type.
In NR system, because the introducing of LAA, so that the LBT mechanism in unauthorized frequency range may simply take
The partial time slot position of RB, thus there will be the remaining phenomenon of the OFDM symbol in RB, the profit of this remaining OFDM symbol
The problem currently needing discussion badly is become by rate.
And the embodiment of the present invention, when new wireless NR business is transmitted in unauthorized frequency range, base station performs listem-before-talk LBT
Mechanism also judges whether to remain subframe, if existing, described base station in described residue subframe according to described NR type of service
Select to be applicable to the signal type of described NR business, and use the signal type of described NR business to end in described residue subframe
End sends the control signaling of described NR business, and the embodiment of the present invention uses residue subframe to send the control signaling of described NR business,
Reasonably employ residue subframe, improve the availability of frequency spectrum.
Accompanying drawing explanation
In order to be illustrated more clearly that embodiment of the present invention technical scheme, required use in embodiment being described below
Accompanying drawing is briefly described, it should be apparent that, the accompanying drawing in describing below is some embodiments of the present invention, general for this area
From the point of view of logical technical staff, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the first embodiment schematic flow sheet of the method for transmitting signals that the embodiment of the present invention provides；
Fig. 1 a is the structural representation of the RB of the transmission NR business that the embodiment of the present invention provides；
Fig. 2 is the second embodiment schematic flow sheet of the method for transmitting signals that the embodiment of the present invention provides；
Fig. 2 a is that the frequency range of the unauthorized frequency range that the embodiment of the present invention provides divides schematic diagram；
Fig. 2 b is the structural representation of the RB of the transmission eMBB business that the embodiment of the present invention provides；
Fig. 2 c is the structural representation of the RB of the transmission URLLC business that the embodiment of the present invention provides；
Fig. 2 d is the structural representation of the RB of the transmission mMTC business that the embodiment of the present invention provides；
Fig. 3 is the 3rd embodiment schematic flow sheet of the method for transmitting signals that the embodiment of the present invention provides；
Fig. 4 is the first embodiment structural representation of the base station that the embodiment of the present invention provides；
Fig. 5 is the second example structure schematic diagram of the base station that the embodiment of the present invention provides；
Fig. 6 is the first embodiment structural representation of the terminal that the embodiment of the present invention provides；
Fig. 7 is the second example structure schematic diagram of the terminal that the embodiment of the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is a part of embodiment of the present invention rather than whole embodiments wholely.Based on this
Embodiment in bright, the every other enforcement that those of ordinary skill in the art are obtained under not making creative work premise
Example, broadly falls into the scope of protection of the invention
It should be noted that the term used in embodiments of the present invention is only merely for the mesh describing specific embodiment
, and it is not intended to be limiting the present invention." one of singulative used in the embodiment of the present invention and appended claims
Kind ", " described " and " being somebody's turn to do " be also intended to include majority form, unless context clearly shows that other implications.It is also understood that this
Any or all possible group that the term "and/or" used in literary composition refers to and comprises one or more project of listing being associated
Close.
It should be noted that the every technology in the case of the special instruction do not expressed, in various embodiments of the present invention
Feature can be considered and can be mutually combined or combine, as long as this kind of combination or combine is not as the reason of technology and nothing
Method is implemented.In order to the present invention is the most sufficiently described, some are exemplary, and optionally, or preferred feature is each in the present invention
Embodiment combines with other technologies feature and is described, but this combination is not necessarily, and should be appreciated that this shows
Example, optionally, or preferred feature and other technical characteristic are all the most separable or independent, as long as should
Plant separable or be independently not as the reason of technology and cannot implement.Some functions of technical characteristic in embodiment of the method
Property describe and can be understood as performing this function, method or step, some of the technical characteristic in device embodiment are functional retouches
State and can be understood as using this kind of device to perform this function, method or step.
Cordless communication network may be configured to support multiple base stations of the communication of multiple wireless user device.Wireless user
Device can be communicated with base station by downlink and up-link.Downlink (or forward link) refer to from base station to
The communication link of wireless user device, and up-link (or reverse link) refers to the communication chain from wireless user device to base station
Road.
Wireless user equipment (such as, cell phone or smart phone) can utilize wireless communication system launch and connect
Receive data for duplex communication.Wireless user equipment can include the transmitter launched for data and for data receiver
Receiver.Launching for data, transmitter can utilize data to launching local oscillator (Local Oscillator, LO)
Signal is modulated obtaining modulated radio frequency (Radio Frequency, RF) signal, puts modulated RF signal
Greatly to obtain the output RF signal with appropriate power level, and via antenna, output RF signal is transmitted to base station.
For data receiver, receiver can obtain received RF signal via antenna, amplifies and utilizes reception LO signal by institute
The RF signal down coversion received, and process the data that downconverted signal is sent by base station with recovery.
Wireless user equipment can be supported and different radio access technologies (Radio Access Technology, RAT)
The communication (such as LTE/TE-A and NR) of multiple wireless systems.Each wireless system is likely to be of some characteristic and requirement, energy
Communicate while enough wireless systems supporting the different RAT of utilization efficiently.Wireless user equipment is also referred to as subscriber equipment
(User Equipment, UE), mobile station, terminal, access terminal, subscri er unit, website, etc..Wireless user equipment is permissible
It is cell phone, smart phone, tablet PC, radio modem, personal digital assistant (Personal Digital
Assistant, PDA), portable equipment, laptop computer, smartbook, net book, wireless phone, wireless local loop
(wireless local loop, WLL) website, bluetooth equipment, etc..Wireless user equipment can enter with wireless system
Row communication, it is also possible to can from broadcasting station, one or more GLONASS (Global Navigation
Satellite System, GNSS) in satellite etc. receive signal.Wireless user equipment can support for radio communication
Individual or multiple RAT, such as GSM, WCDMA, cdma2000, LTE/LTE-A, 802.11, etc.." radio accesses skill to term
Art ", " RAT ", " radiotechnics ", " air interface " and " standard " used the most interchangeably.
It should be noted that in LTE/LTE-A system, uplink/downlink carrier wave is respectively adopted single-carrier frequency division multiple access
(Single-carrier Frequency-Division Multiple Access, SC-FDMA)/OFDM and Cyclic Prefix
(Cyclic Prefix, CP).In 5G standard, exemplary, up-downgoing carrier wave can be unified, i.e. up-link with
Downlink all uses OFDM and CP.The most exemplary, the RB in 5G can do following configuration, and 1 Resource Block comprises 12
Individual subcarrier, subcarrier spacing is on the basis of 15kHz, and subcarrier spacing can be N (N=2^n) times of 15kHz, or also may be used
To be fixed as subcarrier spacing as 75kHz.Specifically, tradition LTE cell operation bandwidth in frequency range is to be made up of RB, RB
Being respectively provided with fixing subcarrier spacing and symbol lengths, under such as normal CP, the size on frequency domain is 180KHz (that is: 12
15KHz subcarrier spacing), in time domain, including 7 symbols, the length of a symbol approximates 71.5us.And move the next generation
In communication technology (in such as NR system), different sub carrier no longer can have based on type of service fixing subcarrier spacing and
Fixing symbol lengths (can dynamically change).For being different from the RB concept in tradition LTE system, NR system newly defines
The concept of " numerology " (referential data), it mainly includes subcarrier spacing, CP length and TTI length etc..At present, NR system
Altogether define three kinds of types of service, be eMBB, URLLC and mMTC respectively, " numerology " type of different service types
Can also be different, mean that different types of subcarrier spacing, CP length or TTI length may be different.Exemplary, permissible
Definition next generation mobile communication will support to be to the maximum the single carrier bandwidth of 100MHz.One Resource Block RB size on frequency domain
Become 900KHz (that is: 12 75KHz subcarrier spacings), and in time domain, support 0.1ms.The length of one radio frames is
10ms, but it is made up of 50 subframes, a length of 0.2ms of each subframe.It should be noted that being suitable for described in the most in the whole text
In the signal type of described NR business, may refer to include intercarrier in the relevant parameter such as, CP length and TTI length at least
A kind of configuration of parameter.
Refer to the first embodiment flow process that Fig. 1 and Fig. 1 a, Fig. 1 are the method for transmitting signals that the embodiment of the present invention provides show
Being intended to, Fig. 1 a is the structural representation of the RB of the transmission NR business that the embodiment of the present invention provides.Described in the present embodiment one
Plant method for transmitting signals, including step S101～S103.
S101, when new wireless NR business is transmitted in unauthorized frequency range, base station performs listem-before-talk LBT mechanism and judges
Residue subframe whether is there is in the Resource Block RB performing described LBT mechanism place.
In implementing, when new wireless NR business is transmitted in unauthorized frequency range, NR business before busy channel all
LBT to be performed mechanism, obtains destination channel the most idle by the way of Energy-aware.When channel is in idle condition,
This channel can be used to carry out NR business transmission.Due to LBT mechanism time general Microsecond grade such as the LBT mechanism the shortest execution time
Between be 25us, and a RB is 0.5ms, and base station typically i.e. 1ms in units of two RB carrys out dispatch terminal, and LBT mechanism simply accounts for
With the partial time slot position of RB.So, after having performed LBT mechanism, it is possible that residue subframe.The embodiment of the present invention
In, when base station needs to use in unauthorized frequency range to terminal transmission NR business, base station firstly the need of performing LBT mechanism, and
Judge whether RB exists residue subframe after performing LBT mechanism, as shown in Figure 1a for sending the structural representation of the RB of NR business
Figure, the execution of LBT mechanism occupies the time slot position of a1 part, and remaining a2 is remainder subframe, may be used for transmission suitable
Signal for described NR business.In the embodiment of the present invention, if residue subframe occurs, then can utilize surplus according to NR type of service
Minor frame sends the relevant control signaling matched with type of service or the data service matched and control instruction.?
In up-link, the execution process of above-mentioned LBT mechanism and the judge process of residue subframe can also be performed by terminal.
A kind of exemplary mode of idle condition whether it is in as detection destination channel, concrete, the most wireless when having
When NR service needed is transmitted in unauthorized frequency range, whether base station detection around has miscellaneous equipment just to send number in destination channel
According to.If this target channel is taken by miscellaneous equipment, can continue when next listening period arrives to monitor, it is also possible to no
Monitor again；If it is idle to listen to channel resource, this base station can take this destination channel immediately.Channel holding time can be one
Individual fixed value, it is also possible to set a silence period before subsequent channels detection position.Preferably, numerous if listening to channel resource
Busy, a random number L can being generated as back off time, in this back off time, continuing to monitor destination channel, if detecting
L time destination channel is in idle condition, then back off time terminates, and this base station just can take this destination channel simultaneously.If base
Station detects that channel status is busy (the most being taken by miscellaneous equipment), then within this cycle equipment can not busy channel,
Then this base station can wait until that detection is continued in the fixed position of next cycle.
The mode that the another kind of idle condition is exemplary whether it is in as detection destination channel, concrete, when there being new nothing
When line NR service needed is transmitted in unauthorized frequency range, trigger initial detecting.If base station initial detecting is in sky to destination channel
Not busy state, can take this destination channel, and be pre-configured with a Channel holding time T by base station；If base station initial detecting arrives
Destination channel state is busy, then can generate (defer period) time in a postponement cycle, if when the cycle of postponement
Between still detect destination channel hurry, then continue generate one postpone cycle time.UE detects time detecting to channel shape at L time
State is can to take destination channel after the free time, and taking the destination channel time is T.
S102, if existing, described base station is applicable to described according to the selection of described NR type of service in described residue subframe
The signal type of NR business.
S103, described base station uses the signal type of described NR business to send described NR to terminal in described residue subframe
The control signaling of business.
In implementing, NR type of service can include eMBB, URLLC, mMTC etc., and base station can be according to above-mentioned service class
Type selects and the subcarrier spacing of described residue subframe, circulating prefix-length and Transmission Time Interval (transmission
Time-interval, TTI) signal of at least one NR business matched in length is such as eMBB industry when NR type of service
During business, base station can select to be applicable to parameter value such as numerology type or the frequency domain resource group that eMBB business is supported
The signal type of (frequency resource group, FRG) type.FRG refer on a NR carrier wave continuous print or
The frequency domain resource of same numerology type is used in discrete frequency domain resource.And numerology type is main and sub
Intercarrier is relevant with TTI length every, Cyclic Prefix (Cyclic Prefix, CP) length.So, the configuration of FRG also be understood as be
The configuration of at least one parameter in relevant parameter such as including subcarrier spacing, CP length and TTI length.
Base station can use the signal type of described NR business to send described NR business to terminal in described residue subframe
Control signaling.In the embodiment of the present invention, control signaling and can include stick signal, the reference signal of channel detection or synchronize letter
Number, wherein, stick signal can be the signal not carrying any information, is mainly used in preventing other radio reception device in this phase
Between take this channel；Reference signal is mainly used in the acquisition of the estimation to present channel and channel quality, it is possible in certain journey
Preventing other radio reception device from taking this channel during this period on degree, it can be generated by the sequence preset, it is also possible to
Triggering mode is sent by base station；Synchronizing signal is then possible to prevent terminal and base station service disconnection phenomenon occur.
The embodiment of the present invention, when NR business is transmitted in unauthorized frequency range, base station performs listem-before-talk LBT mechanism and sentences
Breaking and whether there is residue subframe, if existing, described base station selects to be applicable to the letter of described NR business according to described NR type of service
Number type, and use the signal type of described NR business to send the control letter of described NR business to terminal in described residue subframe
Order, the embodiment of the present invention uses residue subframe to send the control signaling of described NR business, reasonable employment residue subframe, is conducive to
Improve the availability of frequency spectrum.
Refer to the second embodiment schematic flow sheet that Fig. 2, Fig. 2 are the method for transmitting signals that the embodiment of the present invention provides.
A kind of method for transmitting signals described in the present embodiment, including step S201～S203.
S201, when new wireless NR business is transmitted in unauthorized frequency range, base station performs listem-before-talk LBT mechanism and judges
Residue subframe whether is there is in the Resource Block RB performing described LBT mechanism place.
In implementing, when new wireless NR business is transmitted in unauthorized frequency range, NR business before busy channel all
LBT to be performed mechanism, obtains destination channel the most idle by the way of Energy-aware.When channel is in idle condition,
This channel can be used to carry out NR business transmission.Due to LBT mechanism time general Microsecond grade such as the LBT mechanism the shortest execution time
Between be 25us, and a RB is 0.5ms, and base station typically i.e. 1ms in units of two RB carrys out dispatch terminal, and LBT mechanism simply accounts for
With the partial time slot position of RB.So, after having performed LBT mechanism, it is possible that remain subframe in RB.In uplink
The execution process of Lu Zhong, above-mentioned LBT mechanism and the judge process of residue subframe can also be performed by terminal.
Optionally, the described resource that takies for performing LBT mechanism can be only fitted to preset subframe position.
It should be noted that the frequency range of next generation mobile communication work can include unauthorized frequency range.It is to say, in nothing
The communication link of line communication system can include for carrying up-link (UL) transmission (such as, from UE115 to eNB105)
Up-link and/or be used for carries the downlink of downlink (DL) transmission (such as, from base station to UE).UL transmission is all right
It is referred to as rl transmission, and DL transmission can also be referred to as forward link transmissions.Frequency range (such as, the LTE/ of mandate can be used
LTE-A), unauthorized frequency range or both carry out downlink transmission.It is likewise possible to use the frequency range authorized (such as,
LTE/LTE-A), unauthorized frequency range or both carry out ul transmissions.But in unauthorized frequency range, need to consider
The existence of other radio reception device, in order to preferably realize rationally coexisting with them, LTE/LTE-A and NR (such as, 5G)
System needs in accordance with some rules, and such as LBT, i.e. system needed by performing LBT mechanism use before using unauthorized frequency range
To judge whether destination channel can be used.It is contemplated that the feature of three kinds of types of service in next generation mobile communication system, it is
Improving the availability of frequency spectrum, " numerology " (numerical parameter) type corresponding to three kinds of types of service should be different.And it is right
In unauthorized frequency range, while ensureing to realize rationally coexisting with other different system (such as Wi-Fi, bluetooth etc.), also to ensure
5G system and the compatibility of LTE system.So, for this situation, unauthorized frequency range there will be a kind of situation dividing frequency range,
Its schematic diagram is as shown in Figure 2 a.It can be seen that be divided into a part of region in subframe as LBT region, and another part
Region is as the bearing area of different NR type services (eMBB, URLLC, mMTC).The execution time in view of LBT mechanism is in
Microsecond rank, so, perform region for the LBT divided out, can occur in the way of many subframes are polymerized, i.e. be similar to
LBT based on frame structure design mechanism (Frame Based Equipment, FBE) in LBT mechanism, base station or terminal can be
Presetting several, the beginning fixing subframe in each radio frames performs FBE；Or some the fixing subframes in each radio frames
Beginning perform FBE.So, for improving the availability of frequency spectrum of unauthorized frequency range, out it is used for performing accounting for of LBT mechanism by dividing
By resource, the resource that takies performing LBT mechanism can be only fitted to preset in subframe position, it is possible to is placed in each radio frames fixing
In subframe position, on the 0th work song frame of the most each radio frames and the 5th work song frame.
Optionally, the signal type of described execution LBT mechanism is different from the signal type being applicable to described NR business.Need
Illustrate is, it is contemplated that ensure that LBT mechanism is being applicable to the signal of LTE/LTE-A business and is being applicable to the letter of NR business as far as possible
Compatibility in both number, the signal type therefore performing LBT mechanism can be with traditional letter being applicable to LTE/LTE-A business
Number keep consistent, and differ with the type of the signal being applicable to NR business.This kind of design is proved to be useful, can to
Simultaneously take account of the introducing of new features when front compatibility, be conducive to improving the utilization ratio of frequency spectrum.
S202, if existence and described NR type of service are enhancement mode mobile broadband application eMBB business, the most described base station is selected
Select the signal type being applicable to described eMBB business.
In implementing, in order to enable NR system to support wideband and multiple deployment scenario, different " numerology (numbers
Value parameter) " subcarrier spacing of type and CP length different.Meanwhile, different " numerology (numerical parameter) " classes
Type need to have extensibility, and to adapt to the demand of system in future Added Business, and different NR business sets for subframe structure
Meter requires also different, such as can be suitableeer than transmission or short cycle T TI of more sensitive business employing small data packets for time delay
Close.It addition, be likely to difference with " numerology (the numerical parameter) " type in frequency domain different on carrier wave.For NR system
System supports the different business scenario of eMBB, URLLC, mMTC tri-, and business concrete analysis is as follows:
EMBB operates mainly in wider frequency range, including Internet of Things communication (the machine type of high speed
Communications, MTC) service.This business is mainly used in hot spot region, thinks that terminal use provides preferable video to take
Business.By setting suitably " numerology (numerical parameter) " type to better adapt to this business scenario, such as, can be somebody's turn to do
Band segment subcarrier spacing arranges relatively large, to guarantee to transmit a large amount of wideband business.From the point of view of frequency range feature, it is less than
In the frequency range of 40GHz, it is best suitable in intensive city macrocell scene.Higher than the frequency range of more than 40GHz, be relatively suitable for indoor or
The urban compact scene that the micro-base station cell of person is disposed.
URLLC scene is mainly directed towards the application demands such as car networking, Industry Control, and it is to delay requirement and the reliability of business
Require higher.So, go among some such as indoor micro-base station cells with city focus, such as, disposing the least
In the scene of community.It is different from other two kinds of business scenarios, can be by " numerology (numerical parameter) " type of this scene
In TTI length to be arranged to short cycle T TI the most applicable.Short cycle T TI: Yi Zhongshi can be arranged to by the following two kinds mode
In the case of maintaining current sub-carrier interval width, reduce the symbolic number in a TTI；One is to maintain identical TTI length
In the case of degree, increase the subcarrier spacing of each symbol.
It is main application scenarios that mMTC scene is primarily adapted for use in sensor and data acquisition, such as environmental monitoring, intelligence
Can be agriculture etc..At present, it is mainly used in transmitting small amount data bag, and it has the feature of low-power consumption and low cost, so this industry
The transmission channel of business scene, for above two kinds of business scenarios, requires it is not the highest to bin width.Therefore, it is less than
The rural area scene of 1GHz (such as 700MHz) is more applicable.Its optimal typical scene and frequency spectrum design refer to such as table 1 below:
Table 1
If described NR type of service is super reliable and low time delay communication URLLC business, base station can be selected according to eMBB business
Select and at least one eMBB business matched in subcarrier spacing, circulating prefix-length and the TTI length of described residue subframe
Signal type.
Optionally, if described NR type of service is super reliable and low time delay communication URLLC business, the most described base station selected suitable
Signal type for described URLLC business.If there is residue subframe and transmission business being URLLC business, described base station is permissible
According to URLLC service selection and the subcarrier spacing of described residue subframe, circulating prefix-length and TTI length or at least one
Plant the signal type of the eMBB business matched.
Optionally, communicate mMTC business if described NR type of service is a large amount of Internet of Things, the most described base station selected be applicable to
The signal type of described mMTC business.If existence residue subframe and transmission business are mMTC business, can be according to mMTC business
Select and at least one mMTC industry matched in the subcarrier spacing of described residue subframe, circulating prefix-length and TTI length
The signal of business.
Wherein, stick signal can be the signal not carrying any information, is mainly used in preventing other radio reception device
Take this channel during this period；Reference signal is mainly used in the acquisition of the estimation to present channel and channel quality, it is possible to
Preventing other radio reception device from taking this channel during this period to a certain extent, it can be generated, also by the sequence preset
Can send by base station with triggering mode；Synchronizing signal is then possible to prevent terminal and base station service disconnection phenomenon occur.
S203, described base station sends the control signaling being applicable to described NR business in described residue subframe to terminal.
In implementing, if selecting to be applicable to the signal type of described NR business, can send out in described residue subframe
Send the signal being applicable to described NR business.As shown in Fig. 2 b～2d, Fig. 2 b is the transmission eMBB business that the embodiment of the present invention provides
The structural representation of RB, Fig. 2 c is the structural representation of the RB of the transmission URLLC business that the embodiment of the present invention provides, and Fig. 2 d is
The structural representation of the RB of the transmission mMTC business that the embodiment of the present invention provides.A RB part is used for the execution of LBT mechanism, another
Part sends different signals according to different NR type of service, such as the signal of eMBB business, the signal of URLLC business, mMTC
The signal of business.Wherein, above-mentioned control signaling can include stick signal, the reference signal of channel detection or synchronizing signal
The embodiment of the present invention, when NR business is transmitted in unauthorized frequency range, performs listem-before-talk LBT mechanism and judgement is
No existence remains subframe, if existence and described NR type of service are enhancement mode mobile broadband application eMBB business, then selects to be suitable for
In the signal type of described eMBB business, and the signal type of described NR business is used to send to terminal in described residue subframe
It is applicable to the control signaling of described NR business, it is achieved that NR business and LAA coexist, and sends NR by reasonable employment residue subframe
The control signaling of business, improves the availability of frequency spectrum.
Refer to the 3rd embodiment schematic flow sheet that Fig. 3, Fig. 3 are the method for transmitting signals that the embodiment of the present invention provides.
A kind of method for transmitting signals described in the present embodiment, including step S301～S303.
S301, when new wireless NR business is transmitted in unauthorized frequency range, terminal performs listem-before-talk LBT mechanism and also judges
Residue subframe whether is there is in the Resource Block RB performing described LBT mechanism place.
Implement and refer to step S101 of embodiment of the method corresponding for Fig. 1 and embodiment of the method corresponding to Fig. 2
The specific explanations of step S201, does not repeats them here.
A kind of exemplary mode of idle condition whether it is in as detection destination channel, concrete, the most wireless when having
When NR service needed is transmitted in unauthorized frequency range, whether terminal detection around has miscellaneous equipment just to send physics in destination channel
Uplink Shared Channel (Physical Uplink Shared Channel, PUSCH) data.If this target channel is by it
Its hold facility, can continue when next listening period arrives to monitor, it is also possible to no longer monitor according to instruction；If listening to letter
Road resource is idle, and this terminal can take this destination channel immediately.Channel holding time is a fixed value, it is also possible at next
A silence period is set before Channel Detection position.Preferably, if it is busy to listen to channel resource, a random number can be generated
L is as back off time, in this back off time, continues to monitor destination channel, if detecting, L destination channel is in idle shape
State, then back off time terminates, and this terminal just can take this destination channel simultaneously.If a terminal detects that channel status is busy
(the most being taken by other terminal), then within this cycle equipment can not busy channel, then this terminal can wait until the next one
Detection is continued in the fixed position in cycle.
The mode that the another kind of idle condition is exemplary whether it is in as detection destination channel, concrete, when there being new nothing
When line NR service needed is transmitted in unauthorized frequency range, trigger initial detecting.If terminal initial detects that destination channel is in sky
Not busy state, can take this destination channel, and be pre-configured with a Channel holding time T by base station；If terminal initial detects
Destination channel state is busy, then can generate (defer period) time in a postponement cycle, if when the cycle of postponement
Between still detect destination channel hurry, then continue generate one postpone cycle time.Terminal detects time detecting to channel at L time
State is can to take destination channel after the free time, and taking the destination channel time is T.
If S302 exists, described terminal sends the instruction message that there is residue subframe in described RB to base station.
In implementing, if there is residue subframe in the RB at place, the most described terminal can send an instruction and disappear to base station
Breath, this instruction message may be used for there is residue subframe in signals base RB, and further, this instruction message can also trigger base
Stand in and in this residue subframe, send the signal being applicable to described NR business.
S303, described terminal receive the institute that described base station uses the signal type of NR business to send in described residue subframe
State the control signaling of NR business, the signal type of described NR business by described base station in described residue subframe according to described NR industry
Selected by service type.
In implementing, base station is known in RB after existence residue subframe, can be applicable to described according to the selection of NR type of service
The signal type of NR business, and use the signal type of NR business to send described NR business to terminal in described residue subframe
Controlling signaling, detailed process refers to step S102～the step of S103 and Fig. 2 correspondence embodiment of Fig. 1 correspondence embodiment
S202～S203, does not repeats them here.Described terminal can receive described base station and use NR business in described residue subframe
The control signaling of the described NR business that signal type sends.
Optionally, if described NR type of service is enhancement mode mobile broadband application eMBB business, the most described terminal receives base
Stand in the control signaling of the described eMBB business using the signal type of NR business to send in described residue subframe.
Optionally, if described NR type of service is super reliable and low time delay communication URLLC business, the most described terminal receives base
Stand in the control signaling of the described URLLC business using the signal type of NR business to send in described residue subframe.
Optionally, if described NR type of service is a large amount of Internet of Things communication mMTC business, the most described terminal receives base station and exists
The control signaling of the described mMTC business of the signal type transmission of NR business is used in described residue subframe.
Optionally, the signal type being applicable to described NR business described in refers to that described base station is according to described NR type of service institute
The subcarrier spacing with described residue subframe selected, at least in circulating prefix-length and Transmission Time Interval TTI length
Plant the signal type of the NR business matched.
Optionally, described control signaling includes stick signal, the reference signal of channel detection or synchronizing signal.
Above-mentioned optional step implement the specific explanations that refer to embodiment of the method corresponding for Fig. 2, the most superfluous at this
State.
In the embodiment of the present invention, when new wireless NR business is transmitted in unauthorized frequency range, terminal performs listem-before-talk LBT
Mechanism also judges whether there is residue subframe in the Resource Block RB for performing described LBT mechanism place, if existing, described terminal
Receive the control signaling of the described NR business that base station uses the signal type of NR business to send in described residue subframe, described NR
The signal type of business by described base station in described residue subframe according to selected by described NR type of service, it is achieved that NR business
Coexist with LAA, it is possible to make base station send the control signaling of NR business in this residue subframe, improve the availability of frequency spectrum.
Refer to Fig. 4, for the first embodiment structural representation of the base station that the embodiment of the present invention provides.The embodiment of the present invention
Base station include: judging unit 101, select unit 102 and transmitting element 103.
Judging unit 101, for when new wireless NR business is transmitted in unauthorized frequency range, performs listem-before-talk LBT machine
Make and judge whether Resource Block RB exists residue subframe；
Select unit 102, if for there is described residue subframe, according to described NR type of service in described residue subframe
Select to be applicable to the signal type of described NR business；
Optionally, if described selection unit 102 is the application of enhancement mode mobile broadband specifically for described NR type of service
EMBB business, then select to be applicable to the class signal of described eMBB business according to described NR type of service in described residue subframe
Type.
Optionally, if described selection unit 102 is super reliable and low time delay communication specifically for described NR type of service
URLLC business, then select to be applicable to the class signal of described URLLC business according to described NR type of service in described residue subframe
Type.
Optionally, if described selection unit 102 is a large amount of Internet of Things communication mMTC industry specifically for described NR type of service
Business, then select to be applicable to the signal type of described mMTC business according to described NR type of service in described residue subframe.
Transmitting element 103, for using the signal type of described NR business to send institute to terminal in described residue subframe
State the control signaling of NR business.
Optionally, be applicable to described in the signal type of described NR business refer to according to selected by described NR type of service with
At least one in the subcarrier spacing of described residue subframe, circulating prefix-length and Transmission Time Interval TTI length matches
The signal type of NR business.
Optionally, described control signaling includes stick signal, the reference signal of channel detection or synchronizing signal.
The specific explanations of above-described embodiment unit refers to the embodiment of the method corresponding to Fig. 1～Fig. 2, at this no longer
Repeat.
Refer to Fig. 5, be the second example structure schematic diagram of the base station that the embodiment of the present invention provides.Institute in the present embodiment
The base station described specifically includes that at least one input equipment 1000 and outut device 1001；At least one processor 1002, such as
CPU；Optional memorizer 1003, above-mentioned input equipment 1000, outut device 1001, processor 1002 and optional memorizer
1003 are connected by bus 1004.
Above-mentioned memorizer 1003 can be high-speed RAM memorizer, it is possible to for nonvolatile memory (non-volatile
Memory, NVM), such as disk memory.Above-mentioned memorizer 1003 can be used for storing program code, and above-mentioned processor 1002 is used
In calling the program code of storage in memorizer 1003, perform to operate as follows:
Above-mentioned processor 1002, for when new wireless NR business is transmitted in unauthorized frequency range, performs listem-before-talk LBT
Mechanism also judges whether to exist in Resource Block RB residue subframe；
Above-mentioned processor 1002, if being additionally operable to exist, selects suitable in described residue subframe according to described NR type of service
Signal type for described NR business；
Above-mentioned processor 1002, is additionally operable to use the signal type of described NR business to send out to terminal in described residue subframe
Send the control signaling of described NR business.
Optionally, above-mentioned processor 1002, if being the application of enhancement mode mobile broadband specifically for described NR type of service
EMBB business, then select to be applicable to the class signal of described eMBB business according to described NR type of service in described residue subframe
Type.
Above-mentioned processor 1002, if being super reliable and low time delay communication URLLC business specifically for described NR type of service,
Then in described residue subframe, select to be applicable to the signal type of described URLLC business according to described NR type of service.
Above-mentioned processor 1002, if being a large amount of Internet of Things communication mMTC business specifically for described NR type of service, then exists
Select to be applicable to the signal type of described mMTC business according to described NR type of service in described residue subframe.
Wherein, be applicable to described in the signal type of described NR business refer to according to selected by described NR type of service with institute
Stating the subcarrier spacing of residue subframe, at least one in circulating prefix-length and Transmission Time Interval TTI length matches
The signal type of NR business.Described control signaling includes stick signal, the reference signal of channel detection or synchronizing signal.
Input equipment 1000, outut device 1001 and processor in implementing, described in the embodiment of the present invention
1002 can perform the realization described in the first embodiment of method for transmitting signals of embodiment of the present invention offer, the second embodiment
Mode, it is possible to perform the whole implementation described in the base station that the embodiment of the present invention provides, do not repeat them here.
Refer to Fig. 6, for the first embodiment structural representation of the terminal that the embodiment of the present invention provides.The embodiment of the present invention
Terminal include: judging unit 201, transmitting element 202 and receive unit 203.
Described judging unit 201, for when new wireless NR business is transmitted in unauthorized frequency range, performs listem-before-talk
LBT mechanism also judges whether to exist in Resource Block RB residue subframe；
Described transmitting element 202, if for there is described residue subframe, sending to base station in described RB and there is residue subframe
Instruction message；
Described reception unit 203, receives described base station and uses the signal type of NR business to send in described residue subframe
The control signaling of described NR business, the signal type of described NR business by described base station in described residue subframe according to described
Selected by NR type of service.
Optionally, if described reception unit 203 is the application of enhancement mode mobile broadband specifically for described NR type of service
EMBB business, then receive the control of the described eMBB business that base station uses the signal type of NR business to send in described residue subframe
Signaling processed.
Optionally, if described reception unit 203 is super reliable and low time delay communication specifically for described NR type of service
URLLC business, then receive base station and use described URLLC business that the signal type of NR business sends in described residue subframe
Control signaling.
Optionally, if described reception unit 203 is a large amount of Internet of Things communication mMTC industry specifically for described NR type of service
Business, then receive the control letter of the described mMTC business that base station uses the signal type of NR business to send in described residue subframe
Order.
Optionally, be applicable to described in the signal type of described NR business refer to according to selected by described NR type of service with
At least one in the subcarrier spacing of described residue subframe, circulating prefix-length and Transmission Time Interval TTI length matches
The signal type of NR business.Described control signaling includes stick signal, the reference signal of channel detection or synchronizing signal.
The specific explanations of above-described embodiment unit refers to the embodiment of the method corresponding to Fig. 3, does not repeats them here.
Refer to Fig. 7, be the second example structure schematic diagram of the terminal that the embodiment of the present invention provides.Institute in the present embodiment
The terminal described specifically includes that at least one input equipment 2000 and outut device 2001；At least one processor 2002, such as
CPU；Optional memorizer 2003, above-mentioned input equipment 2000, outut device 2001, processor 2002 and optional memorizer
2003 are connected by bus 2004.
Above-mentioned memorizer 2003 can be high-speed RAM memorizer, it is possible to for NVM), such as disk memory.Above-mentioned storage
Device 2003 can be used for storing program code, and above-mentioned processor 2002, for calling the program code of storage in memorizer 2003, is held
The following operation of row:
Above-mentioned processor 2002, for when new wireless NR business is transmitted in unauthorized frequency range, performs listem-before-talk LBT
Mechanism also judges whether to exist in Resource Block RB residue subframe；
Above-mentioned processor 2002, if for there is described residue subframe, sending to base station in described RB and there is residue subframe
Instruction message；
Above-mentioned processor 2002, if being additionally operable to there is described residue subframe, receives described base station in described residue subframe
Using the control signaling of the described NR business of the signal type transmission of NR business, the signal type of described NR business is by described base station
According to selected by described NR type of service in described residue subframe；
Optionally, above-mentioned processor 2002, if being the application of enhancement mode mobile broadband specifically for described NR type of service
EMBB business, then receive the control of the described eMBB business that base station uses the signal type of NR business to send in described residue subframe
Signaling processed.
Above-mentioned processor 2002, if being super reliable and low time delay communication URLLC business specifically for described NR type of service,
Then receive the control signaling of the described URLLC business that base station uses the signal type of NR business to send in described residue subframe.
Above-mentioned processor 2002, if being a large amount of Internet of Things communication mMTC business specifically for described NR type of service, then connects
Receive the control signaling of the described mMTC business that base station uses the signal type of NR business to send in described residue subframe.
Wherein, be applicable to described in the signal type of described NR business refer to according to selected by described NR type of service with institute
Stating the subcarrier spacing of residue subframe, at least one in circulating prefix-length and Transmission Time Interval TTI length matches
The signal type of NR business.Described control signaling includes stick signal, the reference signal of channel detection or synchronizing signal.
Input equipment 2000, outut device 2001 and processor in implementing, described in the embodiment of the present invention
Implementation described in 2002 the 3rd embodiments that can perform the method for transmitting signals that the embodiment of the present invention provides, it is possible to hold
The whole implementation described in terminal that the row embodiment of the present invention provides, does not repeats them here.
Step in embodiment of the present invention method can carry out order according to actual needs and adjust, merges and delete.
Unit in embodiment of the present invention device can merge according to actual needs, divides and delete.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, be permissible
Instructing relevant hardware by computer program to complete, described program can be stored in a computer read/write memory medium
In, this program is upon execution, it may include such as the flow process of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random access
Memory, RAM) etc..
The above disclosed present pre-ferred embodiments that is only, can not limit the right model of the present invention with this certainly
Enclose, the equivalent variations therefore made according to the claims in the present invention, still belong to the scope that the present invention is contained.
Claims (32)
1. a method for transmitting signals, it is characterised in that described method includes:
When new wireless NR business is transmitted in unauthorized frequency range, base station performs listem-before-talk LBT mechanism and judges to be used for performing
Whether the Resource Block RB at described LBT mechanism place exists residue subframe；
If existing, described base station selects to be applicable to the letter of described NR business according to described NR type of service in described residue subframe
Number type；
Described base station uses the signal type of described NR business to send the control of described NR business to terminal in described residue subframe
Signaling processed.
Method the most according to claim 1, it is characterised in that described base station in described residue subframe according to described NR industry
Service type selects to be applicable to the signal type of described NR business, including:
If described NR type of service is enhancement mode mobile broadband application eMBB business, the most described base station is root in described residue subframe
Select to be applicable to the signal type of described eMBB business according to described NR type of service.
Method the most according to claim 1, it is characterised in that described base station in described residue subframe according to described NR industry
Service type selects to be applicable to the signal type of described NR business, including:
If described NR type of service is super reliable and low time delay communication URLLC business, the most described base station is in described residue subframe
Select to be applicable to the signal type of described URLLC business according to described NR type of service.
Method the most according to claim 1, it is characterised in that described base station in described residue subframe according to described NR industry
Service type selects to be applicable to the signal type of described NR business, including:
If described NR type of service be a large amount of Internet of Things communicate mMTC business, the most described base station in described residue subframe according to institute
State NR type of service and select to be applicable to the signal type of described mMTC business.
Method the most according to claim 1, it is characterised in that described for performing taking resource and can joining of LBT mechanism
Put in default subframe position.
Method the most according to claim 1, it is characterised in that described execution LBT mechanism signal type be applicable to institute
The signal type stating NR business is different.
Method the most according to claim 1, it is characterised in that described in be applicable to the signal type of described NR business and refer to institute
State base station according to the subcarrier spacing with described residue subframe selected by described NR type of service, circulating prefix-length and transmission
The signal type of the NR business that at least one in time interval TTI length matches.
8. according to the method described in any one of claim 1-7, it is characterised in that described control signaling includes stick signal, letter
The reference signal of road detection or synchronizing signal.
9. a method for transmitting signals, it is characterised in that described method includes:
When new wireless NR business is transmitted in unauthorized frequency range, terminal performs listem-before-talk LBT mechanism and judges to be used for performing
Whether the Resource Block RB at described LBT mechanism place exists residue subframe；
If existing, described terminal sends the instruction message that there is residue subframe in described RB to base station；
Described terminal receives the described NR business that described base station uses the signal type of NR business to send in described residue subframe
Control signaling, the signal type of described NR business by described base station in described residue subframe according to described NR type of service institute
Select.
Method the most according to claim 9, it is characterised in that described terminal receives base station and adopts in described residue subframe
By the control signaling of the described NR business that the signal type of NR business sends, including:
If described NR type of service is enhancement mode mobile broadband application eMBB business, the most described terminal receives base station in described residue
The control signaling of the described eMBB business of the signal type transmission of NR business is used in subframe.
11. methods according to claim 9, it is characterised in that described terminal receives base station and adopts in described residue subframe
By the control signaling of the described NR business that the signal type of NR business sends, including:
If described NR type of service is super reliable and low time delay communication URLLC business, the most described terminal receives base station described surplus
The control signaling of the described URLLC business of the signal type transmission of NR business is used on minor frame.
12. methods according to claim 9, it is characterised in that described terminal receives base station and adopts in described residue subframe
The control signaling being applicable to described NR business sent with the signal type of NR business, including:
If described NR type of service is a large amount of Internet of Things communication mMTC business, the most described terminal receives base station in described residue subframe
The control signaling of the described mMTC business that the signal type of upper employing NR business sends.
13. methods according to claim 9, it is characterised in that described for performing taking resource and can joining of LBT mechanism
Put in default subframe position.
14. methods according to claim 9, it is characterised in that described execution LBT mechanism signal type be applicable to institute
The signal type stating NR business is different.
15. methods according to claim 9, it is characterised in that described in be applicable to the signal type of described NR business and refer to
Described base station is according to the subcarrier spacing with described residue subframe selected by described NR type of service, circulating prefix-length and biography
The signal type of at least one the NR business matched in defeated time interval TTI length.
16. according to the method described in any one of claim 9-15, it is characterised in that described control signaling include stick signal,
The reference signal of channel detection or synchronizing signal.
17. 1 kinds of base stations, it is characterised in that described base station includes:
Judging unit, for when new wireless NR business is transmitted in unauthorized frequency range, performs listem-before-talk LBT mechanism and judges
Whether Resource Block RB exists residue subframe；
Selecting unit, if for there is described residue subframe, described residue subframe selecting according to described NR type of service suitable
Signal type for described NR business；
Transmitting element, for using the signal type of described NR business to send described NR business to terminal in described residue subframe
Control signaling.
18. base stations according to claim 17, it is characterised in that described selection unit specifically for:
If described NR type of service is enhancement mode mobile broadband application eMBB business, then according to described NR in described residue subframe
Type of service selects to be applicable to the signal type of described eMBB business.
19. base stations according to claim 17, it is characterised in that described selection unit specifically for:
If described NR type of service is super reliable and low time delay communication URLLC business, then according to described in described residue subframe
NR type of service selects to be applicable to the signal type of described URLLC business.
20. base stations according to claim 17, it is characterised in that described selection unit specifically for:
If described NR type of service is a large amount of Internet of Things communication mMTC business, then according to described NR business in described residue subframe
Type selecting is applicable to the signal type of described mMTC business.
21. methods according to claim 17, it is characterised in that described for perform LBT mechanism to take resource permissible
It is arranged in default subframe position.
22. methods according to claim 17, it is characterised in that described execution LBT mechanism signal type be applicable to
The signal type of described NR business is different.
23. base stations according to claim 17, it is characterised in that described in be applicable to the signal type of described NR business and refer to
According to the subcarrier spacing with described residue subframe selected by described NR type of service, between circulating prefix-length and transmission time
The signal type of the NR business that at least one in TTI length matches.
24. according to the method described in any one of claim 17-23, it is characterised in that described control signaling include stick signal,
The reference signal of channel detection or synchronizing signal.
25. 1 kinds of terminals, it is characterised in that described terminal includes:
Judging unit, for when new wireless NR business is transmitted in unauthorized frequency range, performs listem-before-talk LBT mechanism and judges
Whether Resource Block RB exists residue subframe；
Transmitting element, if there is described residue subframe, sends the instruction message that there is residue subframe in described RB to base station；
Receive unit, for receiving the described NR that described base station uses the signal type of NR business to send in described residue subframe
The control signaling of business, the signal type of described NR business by described base station in described residue subframe according to described NR service class
Selected by type.
26. terminals according to claim 25, it is characterised in that described reception unit specifically for:
If described NR type of service is enhancement mode mobile broadband application eMBB business, then receives base station and adopt in described residue subframe
By the control signaling of the described eMBB business that the signal type of NR business sends.
27. terminals according to claim 25, it is characterised in that described reception unit specifically for:
If described NR type of service is super reliable and low time delay communication URLLC business, then receive base station in described residue subframe
Use the control signaling of the described URLLC business of the signal type transmission of NR business.
28. terminals according to claim 25, it is characterised in that described reception unit specifically for:
If described NR type of service is a large amount of Internet of Things communication mMTC business, then receives base station in described residue subframe, use NR
The control signaling of the described mMTC business that the signal type of business sends.
29. methods according to claim 25, it is characterised in that described for perform LBT mechanism to take resource permissible
It is arranged in default subframe position.
30. methods according to claim 25, it is characterised in that described execution LBT mechanism signal type be applicable to
The signal type of described NR business is different.
31. terminals according to claim 25, it is characterised in that described in be applicable to the signal type of described NR business and refer to
According to the subcarrier spacing with described residue subframe selected by described NR type of service, between circulating prefix-length and transmission time
The signal type of the NR business of at least one in TTI length.
32. according to the terminal described in any one of claim 25-31, it is characterised in that described control signaling include stick signal,
The reference signal of channel detection or synchronizing signal.
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