CN107592155B - A kind of method and apparatus in wireless communication - Google Patents
A kind of method and apparatus in wireless communication Download PDFInfo
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- CN107592155B CN107592155B CN201610524745.7A CN201610524745A CN107592155B CN 107592155 B CN107592155 B CN 107592155B CN 201610524745 A CN201610524745 A CN 201610524745A CN 107592155 B CN107592155 B CN 107592155B
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Abstract
The invention discloses the method and apparatus in a kind of wireless communication.Base station sends the first signaling, and first signaling includes M information bit, and the M information bit is used for determining the transmission structure of first time window.The transmission structure of the first time window indicates to include at least one of { be reserved for the time slot of downlink transfer, be reserved for the time slot of protection interval, be reserved for the time slot of uplink } in the first time window.The transmission structure of the first time window is one of Q kind candidate structure.The M is positive integer, and the Q is positive integer, and the M is variable.The present invention can flexibly configure downstream transmission resource, and improve system performance and spectrum efficiency.
Description
Technical field
The present invention relates to the transmission plans of the wireless signal in wireless communication system, transmit more particularly to supporting can configure
The base station of structure and the method and apparatus in UE.
Background technique
Existing LTE (Long-term Evolution, long term evolution) and LTE-A (Long Term Evolution
Advanced, the long term evolution of enhancing) in system, SF (Subframe, subframe) or PRB (Physical Resource
Block a ms (milli-second, millisecond)) is corresponded in time to (Pair).
Traditional LTE subframe includes three kinds of frame structures, is downlink subframe (DL SF), sub-frame of uplink (UL SF) and spy respectively
Different subframe (Special SF).Wherein all time-domain resources in a downlink subframe are reserved for downlink transfer, sub-frame of uplink
In all time-domain resources be reserved for uplink, it is DwPTS (Downlink respectively that special subframe, which includes three parts,
Pilot Time Slot, descending pilot frequency time slot), GP (Guard Period, protection interval) and UpPTS (Uplink Pilot
Time Slot, uplink pilot time slot).Wherein, DwPTS is reserved for downlink transfer, and UpPTS is reserved for uplink, and GP
TA (Timing Advance, timing advance) as uplink and downlink switching and uplink.
The wireless access technology (NR, New Radio access technologies) of a new generation is at present by 3GPP
(3rd Generation Partner Project, third generation cooperative partner program) project verification.Wherein, an important applied field
Scape is exactly URLLC (Ultra-Reliable and Low Latency Communications, ultrahigh reliability and low latency
Communication).For the scene of URLLC, traditional LTE frame structure needs are redesigned.
A kind of new frame structure scheme for needing to be studied and assess, such frame structure are proposed in RAN1#85 meeting
It is downlink transfer part, protection interval and uplink part respectively comprising three parts.When downlink hop includes data
When, the subframe is referred to as the subframe that downlink is dominant；When uplink part includes data, the subframe is referred to as uplink and accounts for
Excellent subframe.One of the largest benefit of above-mentioned frame structure is a data transmission and corresponding HARQ-ACK (Hybrid
Automatic Repeat request-Acknowledgement, hybrid automatic repeat-request confirmation) feedback can be at one
Operation is completed in subframe, substantially reduces the delay of system.
Summary of the invention
A method of it intuitively supporting above-mentioned new frame structure, is exactly similar to LTE TDD (Time Division
Duplexing, time division duplex) acquisition modes of Uplink-donwlink Configuration (uplink-downlink configuration) in system,
It is configured by position-scheduled justice of the above-mentioned newly-designed subframe in whole system frame, and by system information.However this method
It is disadvantageous in that shortage flexibility, and updates slower.
In view of the above-mentioned problems, the present invention provides solutions.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be arbitrarily combined with each other.For example, embodiment and embodiment in the UE of the application
In feature can be applied in base station, vice versa.
The invention discloses a kind of methods in base station for supporting configurable transmission structure, wherein includes the following steps:
Step A. sends the first signaling.
Wherein, first signaling includes M information bit, and the M information bit is used for determining first time window
Transmission structure.The transmission structure of the first time window indicates to include { being reserved for downlink transfer in the first time window
Time slot, be reserved for the time slot of protection interval, be reserved for the time slot of uplink } at least one of.When described first
Between the transmission structure of window be one of Q kind candidate structure.The M is positive integer, and the Q is positive integer, and the M is variable
's.
In traditional LTE and lte-a system, FDD (Frequency Dovision Duplexing, frequency division duplex) mode
Full downlink sub-frame and full sub-frame of uplink is respectively adopted on two symmetrical frequency channels of separation, and respectively for downlink transfer and
Uplink.In tdd mode, different uplink-downlink configurations is that (System Information Block 1 is by SIB-1
System block of information 1) obtain.And in NR system, the dynamic ratio for adjusting the occupied time resource in uplink and downlink part in subframe,
Can with it is more flexible it is efficient utilize frequency spectrum resource.The above method enables base station dynamically to indicate the transmission of first time window
Structure realizes more flexible efficient scheduling frequency spectrum resource.
As one embodiment, the above method another be advantageous in that, when the location of described first time window meet
When certain condition, M can become smaller, and when first signaling is dynamic signaling, further decrease dynamic signaling expense, improve frequency
Spectrum efficiency.
As one embodiment, first signaling is physical layer signaling.
As one embodiment, first signaling is that cell is specific (Cell-Specific).
As one embodiment, first signaling is UE specific (UE-Specific).
As one embodiment, the duration of the first time window is 1 millisecond.
As one embodiment, the duration of the first time window is less than 1 millisecond.
As a sub- embodiment of the embodiment, the duration of the first time window is 0.5 millisecond.
As one embodiment, the duration of the first time window is fixed.
As one embodiment, the duration of the first time window is configurable.
As a sub- embodiment of the embodiment, the duration of the first time window is true by high-level signaling
It is fixed.
As one embodiment, the first time window is continuous in the time domain.
It include positive integer multicarrier symbol in the first time window as one embodiment.
As a sub- embodiment of the embodiment, the multicarrier symbol is OFDM (Orthogonal Frequency
Division Multiplexing, orthogonal frequency division multiplexing) symbol.
As a sub- embodiment of the embodiment, the multicarrier symbol is SC-FDMA (Single-Carrier
Frequency Division Multiple Access, single carrier frequency division multiplexing access) symbol.
As a sub- embodiment of the embodiment, the multicarrier symbol is FBMC (Filter Bank Multi
Carrier, filter bank multi-carrier) symbol.
As a sub- embodiment of the embodiment, the multicarrier symbol is comprising CP (Cyclic Prefix, circulation
Prefix) OFDM symbol.
As a sub- embodiment of the embodiment, the multicarrier symbol is the DFT-s-OFDM comprising CP
(Discrete Fourier Transform Spreading Orthogonal Frequency Division
Multiplexing, the orthogonal frequency division multiplexing of discrete Fourier transform spread spectrum) symbol.
As one embodiment, the transmission structure of the first time window indicates to include { pre- in the first time window
The time slot for leaving downlink transfer for is reserved for the time slot of protection interval, is reserved for the time slot of uplink } in it is at least described
It is reserved for the time slot of downlink transfer.
As one embodiment, the M information bit indicates the transmission structure of the first time window.
As one embodiment, the Q kind candidate structure includes { first structure, the second structure, third structure, the 4th knot
One or more of structure }.For the first structure, corresponding time window is reserved for downlink transfer；For described second
Structure, corresponding time window are reserved for uplink；For the third structure, corresponding time window includes { to be reserved for downlink
The time slot of transmission is reserved for the time slot of protection interval, is reserved for the time slot of uplink }, it is described to be reserved for downlink biography
The duration of defeated time slot is greater than the duration of the time slot for being reserved for uplink；For the 4th structure,
Corresponding time window includes { to be reserved for the time slot of downlink transfer, be reserved for the time slot of protection interval, be reserved for uplink
Time slot, duration of the time slot for being reserved for downlink transfer is less than the time slot for being reserved for uplink
Duration.
As a sub- embodiment of above-described embodiment, the Q is 4, and the Q kind candidate structure includes { first knot
Structure, second structure, the third structure, the 4th structure }
As a sub- embodiment of above-described embodiment, the first structure, second structure, the third structure and
4th structure is directed to a carrier wave respectively.
As a sub- embodiment of above-described embodiment, the duration of the time slot for being reserved for downlink transfer and institute
It is fixed for stating and being reserved for the ratio of the duration of time slot of uplink.
As a sub- embodiment of above-described embodiment, the duration of the time slot for being reserved for downlink transfer and institute
It states and is reserved for the ratio of the duration of time slot of uplink and is configurable.
As a sub- embodiment of above-described embodiment, it is configurable for being reserved for the duration of the time slot of protection interval
's.
As a sub- embodiment of above-described embodiment, it is fixed for being reserved for the duration of the time slot of protection interval
's.
As one embodiment, first signaling is physical layer signaling, and first signaling is used for determining Y transmission
Structure, the Y transmission structure respectively correspond Y carrier wave, and the transmission structure of the first time window is in the Y carrier wave
A carrier wave.Wherein, Y is positive integer.
Above-described embodiment is advantageous in that (Carrier Aggregation, carrier wave are poly- when similar CA is supported in the base station
Close) transmission when, first signaling is used to determine transmission structure on multiple carrier waves.
Specifically, according to an aspect of the present invention, the above method is characterized in that, also comprise the following steps:
Step B. sends the first wireless signal on target running time-frequency resource, or receives first on target running time-frequency resource
Wireless signal.
Wherein, first signaling includes the scheduling information of first wireless signal, and the scheduling information includes { MCS
(Modulation and Coding Status, modulation coding state), NDI, RV (Redundancy Version, redundancy version
At least one of this), HARQ process number }.
As one embodiment, first signaling is DCI (Downlink Control Information, downlink control
Information processed).
As one embodiment, first signaling is the DCI of (Grant) to be authorized for downlink, and the base station is in institute
It states and sends first wireless signal on target running time-frequency resource.
As one embodiment, first signaling is the DCI of (Grant) to be authorized for uplink, and the base station is in institute
It states and receives first wireless signal on target running time-frequency resource.
As one embodiment, first signaling is physical layer control signaling.
As one embodiment, first signaling is transmitted on PDCCH.
As one embodiment, the occupied time-domain resource of target running time-frequency resource belongs to the first time window.
Specifically, according to an aspect of the present invention, the above method is characterized in that, the step A also includes following step
It is rapid:
Step A0. sends K target information, and the K target information is respectively used to determine K time resource.
Wherein, the K is positive integer.The time resource includes positive integer time window, and the target running time-frequency resource exists
Belong to object time window in time domain, the object time window is a time window except the K time resource.The K
Time resource and K kind transmission structure correspond；For any time resource in the K time resource, time window therein
Transmission structure be transmission structure corresponding with any time resource in the K kind transmission structure.The K kind transmission structure
In any two kinds of transmission structures be it is different, the transmission structure is one of described Q kind candidate structure.
As one embodiment, given target information is used for determining the time domain of time window occupied by given time resource
Transmission structure used by time window occupied by position and given time resource.Wherein, given target information is the K
Any one target information in a target information, the given time resource are the time corresponding to the given target information
Resource.
As one embodiment, the target information is downlink high-level signaling.
As one embodiment, the target information is transmitted by air interface (Air Interface).
As one embodiment, the target information is transmitted by return link (Backhaul Link).
As a sub- embodiment, the return link includes X2 interface.
As a sub- embodiment, the return link includes S1 interface.
As a sub- embodiment, the return link is the link for connecting two network side equipments.
The speciality of above-described embodiment and sub- embodiment is that the base station is provided the K time by X2 or S1 interface
The relevant information in source is sent to adjacent base station, carries out the configuration of transmission structure used by time window, convenient for adjacent base station to keep away
Exempt from minizone because of the inconsistent bring inter-cell interference of uplink-downlink configuration.
As one embodiment, the first information indicates the first time resource.
As one embodiment, second information indicates second time resource.
As one embodiment, all time windows in the first time resource are all made of above-mentioned first structure.
As one embodiment, all time windows in second time resource are all made of above-mentioned second structure.
As one embodiment, in the positive integer time window at least there are two time window be discontinuous in the time domain
's.
As one embodiment, any one transmission structure and the first time window in the K kind transmission structure
Transmission structure is different.
As one embodiment, transmission structure corresponding to given time window indicates the given time window by { being reserved
To the time slot of downlink transfer, be reserved for the time slot of protection interval, be reserved for the time slot of uplink } one of or it is more
Kind composition.Wherein, given time window is any one time window in all time windows that K time resource is included.
As one embodiment, for given time window, corresponding transmission structure is one of Q kind transmission structure.
As one embodiment, any two time window in the time resource is discontinuous.
As one embodiment, there are two time resources in the K time resource, institute in described two time resources
Including time window number it is unequal.
As one embodiment, the K is 1.
As one embodiment, the K is 2.
Specifically, according to an aspect of the present invention, the above method is characterized in that, the target information passes through { aerial
Interface, return link } at least one of transmission.
Specifically, according to an aspect of the present invention, the above method is characterized in that, the M is variable refers to
The M changes with the time-domain position of the first time window.
The above method further reduced the value of M, thereby reduce in first signaling for dynamic instruction transmission knot
The information bit of structure reduces signaling overheads, improves spectrum efficiency.
As one embodiment, the Q kind candidate structure includes { first structure, the second structure, third structure, the 4th knot
One or more of structure }.For the first structure, corresponding time window is reserved for downlink transfer；For described second
Structure, corresponding time window are reserved for uplink；For the third structure, corresponding time window includes { to be reserved for downlink
The time slot of transmission is reserved for the time slot of protection interval, is reserved for the time slot of uplink }, it is described to be reserved for downlink biography
The duration of defeated time slot is greater than the duration of the time slot for being reserved for uplink；For the 4th structure,
Corresponding time window includes { to be reserved for the time slot of downlink transfer, be reserved for the time slot of protection interval, be reserved for uplink
Time slot, duration of the time slot for being reserved for downlink transfer is less than the time slot for being reserved for uplink
Duration.
As one embodiment, the second time window belongs to a time resource in the K time resource, and described second
Time window and the first time window are adjacent, and second time window is before the first time window, second time window
Corresponding transmission structure is the first structure, and the M is 1.
As one embodiment, the second time window belongs to a time resource in the K time resource, and described second
Time window and the first time window are adjacent, and second time window is after the first time window, second time window
Corresponding transmission structure is second structure, and the M is 1.
According to " adjacent sub-frame before full sub-frame of uplink cannot be full downlink sub-frame " this feature, above-mentioned two embodiment
Reduce information bit, improves efficiency of transmission.
The time window adjacent as one embodiment and the first time window is all not belonging to the K time resource, institute
Stating M is 2.
As one embodiment, the M is 1, and the M information bit is from { the third structure, the 4th structure }
The transmission structure of the middle instruction first time window.
As one embodiment, the M be 2, the M information bit from the first structure, second structure,
The third structure, the 4th structure } in the instruction first time window transmission structure.
As one embodiment, the M be 2, the M information bit from the first structure, the third structure,
4th structure } in the instruction first time window transmission structure.
The invention discloses a kind of methods in base station for supporting configurable transmission structure, wherein includes the following steps:
Step A0. receives K target information, and the K target information is respectively used to determine K time resource.
Wherein, the K is positive integer.The time resource includes positive integer time window, and the target running time-frequency resource exists
Belong to object time window in time domain, the object time window is a time window except the K time resource.The K
Time resource and K kind transmission structure correspond；For any time resource in the K time resource, time window therein
Transmission structure be transmission structure corresponding with any time resource in the K kind transmission structure.The K kind transmission structure
In any two kinds of transmission structures be it is different, the transmission structure is one of Q kind candidate structure.The target information
It is transmitted by return link.
Specifically, according to an aspect of the present invention, the above method is characterized in that, which is characterized in that also comprising as follows
Step:
Step C. sends L configuration information by air interface, when the L configuration information is respectively used to determine L
Between resource.
Wherein, the K target information is used for determining the L configuration information, the time in the L time resource
Transmission structure corresponding to window is L kind transmission structure respectively.Any two kinds of transmission structures in the L kind transmission structure are not phases
With, the transmission structure is one of described Q kind candidate structure.
As one embodiment, the K is equal to the L, and the L time resource is respectively with the K time resource
Identical, the L kind transmission structure is identical, the L time resource to the L kind with the K kind transmission structure respectively
The mapping relations of transmission structure and the mapping relations of the K time resource to the K kind transmission structure are identical.As this
One sub- embodiment of embodiment, the L configuration information are respectively identical with the K target information.
In above-described embodiment, according to the K target information received by the return link, the base station is by institute
It states the time window in K time resource and is respectively configured as the K kind transmission structure, to avoid the hair with the K target information
Interference between uplink and downlink occurs for the person of sending.
As a sub- embodiment of the embodiment, the K is equal to 2, and the first time money in the K time resource
All time windows in source are all made of the first structure in the present invention, the second time resource in the K time resource
In all time windows be all made of second structure in the present invention.
As a sub- embodiment of the embodiment, the K is equal to 1, and the first time money in the K time resource
All time windows in source are all made of the first structure.
As a sub- embodiment of the embodiment, the K is equal to 1, and the first time money in the K time resource
All time windows in source are all made of the second structure.
As an accompanying Examples of the sub- embodiment, second structure refers to: the time on given carrier wave
All running time-frequency resources in window are reserved for uplink.Wherein, given carrier wave is any one of base station for wireless
The carrier wave of communication.
As one embodiment, the K is equal to the L, and the L time resource is the K time resource respectively
Subset, the L kind transmission structure be with the K kind transmission structure respectively it is identical, the L time resource is passed to the L kind
The mapping relations of defeated structure and the mapping relations of the K time resource to the K kind transmission structure are identical.
In above-described embodiment, according to the K target information received by the return link, the base station is by institute
It states the time window in L time resource and is respectively configured as the K kind transmission structure, to avoid as far as possible and the K target
Interference between uplink and downlink occurs for the sender of information.
The invention discloses a kind of methods in UE for supporting configurable transmission structure, wherein includes the following steps:
Step A. receives the first signaling.
Wherein, first signaling includes M information bit, and the M information bit is used for determining first time window
Transmission structure.The transmission structure of the first time window indicates to include { being reserved for downlink transfer in the first time window
Time slot, be reserved for the time slot of protection interval, be reserved for the time slot of uplink } at least one of.When described first
Between the transmission structure of window be one of Q kind candidate structure.The M is positive integer, and the Q is positive integer, and the M is variable
's.
Specifically, according to an aspect of the present invention, the above method is characterized in that, also comprise the following steps:
Step B. receives the first wireless signal on target running time-frequency resource, or sends first on target running time-frequency resource
Wireless signal.
Wherein, first signaling includes the scheduling information of first wireless signal, and the scheduling information includes { shared
At least one of running time-frequency resource, MCS, RV, NDI, HARQ process number }
As one embodiment, first signaling is the DCI of (Grant) to be authorized for downlink, and the UE is described
First wireless signal is received on target running time-frequency resource.
As one embodiment, first signaling is the DCI of (Grant) to be authorized for uplink, and the UE is described
First wireless signal is sent on target running time-frequency resource.
Specifically, according to an aspect of the present invention, the above method is characterized in that, the step A also includes following step
It is rapid:
Step A0. receives K target information, and the K target information is respectively used to determine K time resource.
Wherein, the K is positive integer.The time resource includes positive integer time window, and the target running time-frequency resource exists
Belong to object time window in time domain, the object time window is a time window except the K time resource.The K
Time resource and K kind transmission structure correspond；For any time resource in the K time resource, time window therein
Transmission structure be transmission structure corresponding with any time resource in the K kind transmission structure.The K kind transmission structure
In any two kinds of transmission structures be it is different, the transmission structure is one of described Q kind candidate structure.The target
Information passes through air interface transmission.
Specifically, according to an aspect of the present invention, the above method is characterized in that, the M is variable refers to
The M changes with the time-domain position of the first time window.
The invention discloses a kind of base station equipments for supporting configurable transmission structure, wherein including following module:
- the first sending module: for sending the first signaling；
First processing module: for sending the first wireless signal on target running time-frequency resource, or in target time-frequency
The first wireless signal is received in resource；
Wherein, first signaling includes M information bit, and the M information bit is used for determining first time window
Transmission structure.The transmission structure of the first time window indicates to include { being reserved for downlink transfer in the first time window
Time slot, be reserved for the time slot of protection interval, be reserved for the time slot of uplink } at least one of.When described first
Between the transmission structure of window be one of Q kind candidate structure.The M is positive integer, and the Q is positive integer, and the M is variable
's.First signaling further includes the scheduling information of first wireless signal, and the scheduling information includes { occupied time-frequency
At least one of resource, MCS, RV, NDI, HARQ process number }.
As one embodiment, above-mentioned base station equipment is characterized in that, first sending module is also used to: sending K
Target information.Wherein, the K target information is respectively used to determine K time resource.The K is positive integer.The time
Resource includes positive integer time window, and the target running time-frequency resource belongs to object time window, the object time window in the time domain
It is a time window except the K time resource.The K time resource and K kind transmission structure correspond；For institute
State any time resource in K time resource, the transmission structure of time window therein be in the K kind transmission structure with described
The corresponding transmission structure of one time resource.Any two kinds of transmission structures in the K kind transmission structure are different, the biographies
Defeated structure is one of described Q kind candidate structure.
As one embodiment, the M is variable to refer to the M with the time-domain position of the first time window
Variation.
The invention discloses a kind of base station equipments for supporting configurable transmission structure, wherein including following module:
Second processing module: for receiving K target information, when the K target information is respectively used to determine K
Between resource.
Wherein, the K is positive integer.The time resource includes positive integer time window, and the target running time-frequency resource exists
Belong to object time window in time domain, the object time window is a time window except the K time resource.The K
Time resource and K kind transmission structure correspond；For any time resource in the K time resource, time window therein
Transmission structure be transmission structure corresponding with any time resource in the K kind transmission structure.The K kind transmission structure
In any two kinds of transmission structures be it is different, the transmission structure is one of Q kind candidate structure.The target information
It is transmitted by return link.
As one embodiment, the Second processing module is also used to send L configuration information by air interface, described
L configuration information is respectively used to determine L time resource.Wherein, the K target information is used for determining that the L are matched
Confidence ceases, and transmission structure corresponding to the time window in the L time resource is L kind transmission structure respectively.The L kind transmission
Any two kinds of transmission structures in structure be it is different, the transmission structure is one of described Q kind candidate structure.
As one embodiment, the M is variable to refer to the M with the time-domain position of the first time window
Variation.
The invention discloses a kind of user equipmenies for supporting configurable transmission structure, wherein including following module:
- the first receiving module: for receiving the first signaling；
Third processing module: for receiving the first wireless signal on target running time-frequency resource, or in target time-frequency
The first wireless signal is sent in resource.
Wherein, first signaling includes M information bit, and the M information bit is used for determining first time window
Transmission structure.The transmission structure of the first time window indicates to include { being reserved for downlink transfer in the first time window
Time slot, be reserved for the time slot of protection interval, be reserved for the time slot of uplink } at least one of.When described first
Between the transmission structure of window be one of Q kind candidate structure.The M is positive integer, and the Q is positive integer, and the M is variable
's.First signaling further includes the scheduling information of first wireless signal, and the scheduling information includes { occupied time-frequency
At least one of resource, MCS, RV, NDI, HARQ process number }.
As one embodiment, the user equipment is characterized in that, first receiving module is also used to: receiving K
Target information.Wherein, the K target information is respectively used to determine K time resource, and the K is positive integer.The time
Resource includes positive integer time window, and the target running time-frequency resource belongs to object time window, the object time window in the time domain
It is a time window except the K time resource.The K time resource and K kind transmission structure correspond；For institute
State any time resource in K time resource, the transmission structure of time window therein be in the K kind transmission structure with described
The corresponding transmission structure of one time resource.Any two kinds of transmission structures in the K kind transmission structure are different, the biographies
Defeated structure is one of described Q kind candidate structure.The target information passes through air interface transmission.
As one embodiment, the M is variable to refer to the M with the time-domain position of the first time window
Variation.
Compared to existing public technology, the present invention has following technical advantage:
- dynamically indicates transmission structure used by the first time window, realizes by designing first signaling
The ratio of uplink and the occupied time resource of downlink transfer is dynamically adjusted under a given time length, reduction is prolonged
Late, flexible configuration resource improves system spectral efficiency.
- on return link by transmitting K target information, by the corresponding occupied time window of K time resource
Transmission structure used by time-domain position and K time resource is sent to adjacent cell, avoids because neighboring community's uplink and downlink passes
Transmission & distribution set not identical and bring inter-cell interference.
M-variable by design, further decreases dynamic signaling expense, improves spectrum efficiency.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent:
Fig. 1 shows the flow chart of the downlink transfer of the first wireless signal according to an embodiment of the invention；
Fig. 2 shows the flow charts of the uplink of the first wireless signal according to an embodiment of the invention；
Fig. 3 shows the schematic diagram of the third structure according to an embodiment of the invention；
Fig. 4 shows the schematic diagram of the 4th structure according to an embodiment of the invention；
Fig. 5 shows the schematic diagram of time window according to an embodiment of the invention.
Fig. 6 shows the structural block diagram of the processing unit in base station according to an embodiment of the invention；
Fig. 7 shows the structural block diagram of the processing unit in UE according to an embodiment of the invention.
Fig. 8 shows the structural block diagram of the processing unit in base station according to another embodiment of the invention；
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with attached drawing, it should be noted that do not rushing
In the case where prominent, the feature in embodiments herein and embodiment can be arbitrarily combined with each other.
Embodiment 1
Embodiment 1 illustrates the flow chart of the downlink transfer of the first wireless signal, as shown in Fig. 1.In attached drawing 1, base station
N1 is the maintenance base station of the serving cell of UE U2, and base station N3 is the adjacent base station of base station N1.Wherein, the step identified in box F1
It suddenly is optional.
ForBase station N1, K target information is sent in step slo, and the K target information is respectively used to determine K
A time resource；The first signaling is sent in step s 11；The first wireless communication is sent on target running time-frequency resource in step s 12
Number.
ForUE U2, K target information, the K target information difference are received by air interface in step S20
It is used for determining K time resource；The first signaling is received in the step s 21；It is received on target running time-frequency resource in step S22
First wireless signal.
ForBase station N3, K target information, the K target information difference are received by return link in step s 30
It is used for determining K time resource；L configuration information, the L configuration information are sent by air interface in step S31
It is respectively used to determine L time resource.
As a sub- embodiment, first signaling is the DCI authorized for downlink.
As a sub- embodiment, the corresponding transmission channel of first wireless signal is DL-SCH (Downlink
Shared Channel, DSCH Downlink Shared Channel).
As a sub- embodiment, CRC (Cyclic Redundancy Check, the cyclic redundancy school of first signaling
Test) it is scrambled using fixed RNTI (Radio Network Tempory Identity, radio network temporary identifier)
(Scrambling)。
As a sub- embodiment, the CRC of first signaling is scrambled using the specific RNTI of UE.
As a sub- embodiment, the recipient of the L configuration information is terminal device, the service of the terminal device
Cell is maintained by the base station N3.
Embodiment 2
Embodiment 2 illustrates the flow chart of the uplink of the first wireless signal, as shown in Fig. 2.In attached drawing 2, base station
N4 is the maintenance base station of the serving cell of UE U5, and base station N6 is the adjacent base station of base station N4.Wherein, the step identified in box F2
It suddenly is optional.
ForBase station N4, K target information is sent in step s 40, and the K target information is respectively used to determine K
A time resource；The first signaling is sent in step S41；The first wireless communication is received on target running time-frequency resource in step S42
Number.
ForUE U5, K target information is received in step s 50, and the K target information is respectively used to determine K
Time resource；The first signaling is received in step s 51；The first wireless signal is sent on target running time-frequency resource in step S52.
ForBase station N6, K target information is received in step S60, the K target information is respectively used to determine K
A time resource；L configuration information is sent by air interface in step S61, the L configuration information is respectively used to really
Determine L time resource.
As a sub- embodiment, first signaling is the DCI authorized for uplink.
As a sub- embodiment, the corresponding transmission channel of first wireless signal is UL-SCH (Uplink Shared
Channel, upper every trade share channel).
As a sub- embodiment, the CRC of first signaling is scrambled using fixed RNTI.
As a sub- embodiment, the CRC of first signaling is scrambled using the specific RNTI of UE.
As a sub- embodiment, the recipient of the L configuration information is terminal device, the service of the terminal device
Cell is maintained by the base station N6.
Embodiment 3
Embodiment 3 illustrates the schematic diagram of a third structure, as shown in Fig. 3.In attached drawing 3, oblique line filling
The time slot of downlink transfer is kept in the corresponding time window in part, is kept in the corresponding time window in the part of grid filling
The part of the time slot of uplink, bold box mark corresponds to the time slot that protection interval is kept in a time window.
As a sub- embodiment, the time slot for keeping for downlink transfer includes positive integer multicarrier symbol.
As a sub- embodiment, the time slot for keeping for uplink includes positive integer multicarrier symbol.
As a sub- embodiment, the time slot for keeping for protection interval includes positive integer multicarrier symbol.
As a sub- embodiment, the multicarrier symbol is { OFDM symbol, FBMC symbol, Filtered OFDM symbol
One of number, the OFDM symbol comprising CP, the DFT-s-OFDM symbol comprising CP } in.
As a sub- embodiment, the multicarrier symbol number that the time slot for keeping for downlink transfer is included is greater than described
The multicarrier symbol for keeping for the time slot of uplink to be included.
As a sub- embodiment, the time slot for keeping for downlink transfer is used for descending scheduling and the descending scheduling
The transmission of corresponding downlink data.
As a sub- embodiment, the time slot for keeping for uplink is used for the biography of the HARQ-ACK of upstream data
It is defeated.
As a sub- embodiment, the time slot for keeping for uplink is used for the transmission of SRS.
As a sub- embodiment, the time slot for keeping for uplink is used for UCI (Uplink Control
Information, ascending control information) transmission.
Embodiment 4
Embodiment 4 illustrates the schematic diagram of the 4th structure, as shown in Fig. 4.In attached drawing 4, the part of oblique line filling
The time slot of downlink transfer is kept in a corresponding time window, keeps for uplink in the corresponding time window in the part of grid filling
The part of the time slot of transmission, bold box mark corresponds to the time slot that protection interval is kept in a time window.
As a sub- embodiment, the time slot for keeping for downlink transfer includes positive integer multicarrier symbol.
As a sub- embodiment, the time slot for keeping for uplink includes positive integer multicarrier symbol.
As a sub- embodiment, the time slot for keeping for protection interval includes positive integer multicarrier symbol.
As a sub- embodiment, the multicarrier symbol be OFDM symbol, SC-FDMA symbol, FBMC symbol,
One of Filtered OFDM symbol, the OFDM symbol comprising CP, the DFT-s-OFDM symbol comprising CP } in.
As a sub- embodiment, the multicarrier symbol number that the time slot for keeping for downlink transfer is included is less than described
The multicarrier symbol number for keeping for the time slot of uplink to be included.
As a sub- embodiment, the time slot for keeping for downlink transfer is used for the transmission of uplink scheduling, and described
The time slot of uplink is kept for be used for the transmission of upstream data corresponding to the uplink scheduling.
As a sub- embodiment, the time slot for keeping for uplink is used for the transmission of UL-SCH.
As a sub- embodiment, the time slot for keeping for uplink is used for the transmission of SRS.
As a sub- embodiment, the time slot for keeping for uplink is used for the transmission of UCI.
As a sub- embodiment, the time slot for keeping for downlink transfer is used for the biography of the HARQ-ACK of downlink data
It is defeated.
Embodiment 5
Embodiment 5 illustrates the schematic diagram of time window, as shown in Fig. 5.In attached drawing 5, a grid identifies a time
Window.
As a sub- embodiment, time window #1 and time window # (V+1) belong to first time resource, the first time
The transmission structure of time window in resource is all the first structure in the present invention.If the first time in the present invention
Window is time window #2 or time window # (V+2), and the M in the present invention is 1；If the first time window in the present invention
It is time window #3 or time window # (V+3), the M in the present invention is 2.
As a sub- embodiment, time window #3 and time window # (V+3) belong to the second time resource, the first time
The transmission structure of time window in resource is all second structure in the present invention.If the first time in the present invention
Window is time window #2 or time window # (V+2), and the M in the present invention is 1；If the first time window in the present invention
It is time window #1 or time window # (V+1), the M in the present invention is 2.
As a sub- embodiment, the duration of the time window is 1 millisecond.
As a sub- embodiment, the duration of the time window is less than 1 millisecond.
As a sub- embodiment, the duration of the time window is 0.5 millisecond.
As a sub- embodiment, the duration of the time window is fixed.
As a sub- embodiment, the duration of the time window is configurable.
As a sub- embodiment, the duration of the time window is configured by high-level signaling.
As a sub- embodiment, the time window is continuous in the time domain.
It include positive integer multicarrier symbol in the time window as a sub- embodiment.
As an accompanying Examples of the sub- embodiment, the multicarrier symbol be OFDM symbol, SC-FDMA symbol,
One of FBMC symbol, Filtered OFDM symbol, the OFDM symbol comprising CP, the DFT-s-OFDM symbol comprising CP } in.
As a sub- embodiment, the positive integer time window is discontinuous in time domain.
As a sub- embodiment, each time window in the positive integer time window is all made of identical transmission knot
Structure.
As an accompanying Examples of the sub- embodiment, the transmission structure is one of Q kind candidate structure.
As an exemplary embodiment of the accompanying Examples, the Q kind candidate structure includes { first structure, the second knot
One or more of structure, third structure, the 4th structure }.
Embodiment 6
Embodiment 6 illustrates the structural block diagram of the processing unit in a base station equipment, as shown in Fig. 6.In attached drawing 6,
Base station equipment processing unit 100 is mainly made of the first sending module 101 and first processing module 102.
- the first sending module 101: for sending the first signaling and sending K target information, the K target information
It is respectively used to determine K time resource.
First processing module 102: for sending the first wireless signal on target running time-frequency resource, or in target
The first wireless signal is received on running time-frequency resource
In embodiment 6, first signaling includes M information bit, when the M information bit is used for determining first
Between window transmission structure.The transmission structure of the first time window indicates to include { being reserved for downlink in the first time window
At least one of the time slot of transmission is reserved for the time slot of protection interval, is reserved for the time slot of uplink }.Described
The transmission structure of one time window is one of Q kind candidate structure.The M is positive integer, and the Q is positive integer, and the M is can
Become.First signaling further includes the scheduling information of first wireless signal, and the scheduling information includes { when occupied
At least one of frequency resource, MCS, RV, NDI, HARQ process number }.The K is positive integer.The time resource includes just whole
Several time windows, the target running time-frequency resource belong to object time window in the time domain, and the object time window is the K time
A time window except resource.The K time resource and K kind transmission structure correspond；For the K time resource
Middle any time resource, the transmission structure of time window therein be in the K kind transmission structure with any time resource pair
The transmission structure answered.Any two kinds of transmission structures in the K kind transmission structure be it is different, the transmission structure is described
One of Q kind candidate structure.
As a sub- embodiment, the K is equal to 2, and the first time resource in the K time resource is included
Time window be used to transmit at least one of { synchronizing sequence, system information, the paging channel } of the base station equipment.Described
The time window that two time resources are included be used to transmit { random access channel, the SRS (Sounding of the base station equipment
At least one of Reference Signal, measuring reference signals }.
As a sub- embodiment, the Q is 4.
Embodiment 7
Embodiment 7 illustrates the structural block diagram of the processing unit in a base station equipment, as shown in Fig. 7.In attached drawing 7,
Base station equipment processing unit 200 is mainly made of Second processing module 201.
Second processing module 201: for receiving K target information, the K target information is respectively used to determine K
Time resource.
In embodiment 7, the K is positive integer.The time resource includes positive integer time window, the target time-frequency money
Source belongs to object time window in the time domain, and the object time window is a time window except the K time resource.It is described
K time resource and K kind transmission structure correspond；For any time resource in the K time resource, time therein
The transmission structure of window is transmission structure corresponding with any time resource in the K kind transmission structure.The K kind transmission knot
Any two kinds of transmission structures in structure be it is different, the transmission structure is one of Q kind candidate structure.The target letter
Breath is transmitted by return link.
As a sub- embodiment, the Second processing module 201 is also used to send L with confidence by air interface
Breath, the L configuration information are respectively used to determine L time resource.Wherein, the K target information is used for determining institute
L configuration information is stated, transmission structure corresponding to the time window in the L time resource is L kind transmission structure respectively.It is described
Any two kinds of transmission structures in L kind transmission structure be it is different, the transmission structure is one in the Q kind candidate structure
Kind.
As a sub- embodiment, the L is equal to 2, and the first time resource in the L time resource is included
Time window be used to transmit at least one of { synchronizing sequence, system information, the paging channel } of the base station equipment.Described
The time window that two time resources are included be used to transmit { random access channel, the SRS (Sounding of the base station equipment
At least one of Reference Signal, measuring reference signals }.
As a sub- embodiment, the Q is 4.
Embodiment 8
Embodiment 8 illustrates the structural block diagram of the processing unit in a user equipment, as shown in Fig. 8.In attached drawing 8,
User equipment processing unit 300 is mainly made of the first receiving module 301 and third processing module 302.
- the first receiving module 301: for receiving the first signaling；And for receiving K target information, the K target
Information is respectively used to determine K time resource.
Third processing module 302: for receiving the first wireless signal on target running time-frequency resource, or in target
The first wireless signal is sent on running time-frequency resource.
In embodiment 8, first signaling includes M information bit, when the M information bit is used for determining first
Between window transmission structure.The transmission structure of the first time window indicates to include { being reserved for downlink in the first time window
At least one of the time slot of transmission is reserved for the time slot of protection interval, is reserved for the time slot of uplink }.Described
The transmission structure of one time window is one of Q kind candidate structure.The M is positive integer, and the Q is positive integer, and the M is can
Become.First signaling further includes the scheduling information of first wireless signal, and the scheduling information includes { when occupied
At least one of frequency resource, MCS, RV, NDI, HARQ process number }.The K is positive integer.The time resource includes just whole
Several time windows, the target running time-frequency resource belong to object time window in the time domain, and the object time window is the K time
A time window except resource.The K time resource and K kind transmission structure correspond；For the K time resource
Middle any time resource, the transmission structure of time window therein be in the K kind transmission structure with any time resource pair
The transmission structure answered.Any two kinds of transmission structures in the K kind transmission structure be it is different, the transmission structure is described
One of Q kind candidate structure.
As a sub- embodiment, first signaling occupies the preceding R multicarrier symbol of the first time window.Its
In, R is positive integer.
As an accompanying Examples of the sub- embodiment, the R is not more than 3.
As an accompanying Examples of the sub- embodiment, the multicarrier symbol be OFDM symbol, SC-FDMA symbol,
One of FBMC symbol, Filtered OFDM symbol, the OFDM symbol comprising CP, the DFT-s-OFDM symbol comprising CP } in.
Those of ordinary skill in the art will appreciate that all or part of the steps in the above method can be referred to by program
Related hardware is enabled to complete, described program can store in computer readable storage medium, such as read-only memory, hard disk or light
Disk etc..Optionally, one or more integrated circuit can be used also to realize in all or part of the steps of above-described embodiment.Phase
It answers, each modular unit in above-described embodiment, can be realized using example, in hardware, it can also be by the form of software function module
It realizes, the application is not limited to the combination of the software and hardware of any particular form.UE and terminal in the present invention include but unlimited
In mobile phone, tablet computer, notebook, vehicular communication equipment, wireless sensor, card of surfing Internet, internet-of-things terminal, RFID terminal, NB-
IOT terminal, MTC (Machine Type Communication, machine type communication) terminal, (enhanced MTC increases eMTC
Strong MTC) terminal, data card, card of surfing Internet, vehicular communication equipment, inexpensive mobile phone, the wireless communications such as inexpensive tablet computer set
It is standby.Base station in the present invention includes but is not limited to macrocell base stations, microcell base station, Home eNodeB, the channel radios such as relay base station
Believe equipment.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification made, equivalent replacement, improve etc., it should be included in protection of the invention
Within the scope of.
Claims (7)
1. a kind of method in base station for supporting configurable transmission structure, wherein include the following steps:
Step A0. sends K target information, and the K target information is respectively used to determine K time resource；
Step A. sends the first signaling；
Wherein, first signaling includes M information bit, and the M information bit is used for determining the biography of first time window
Defeated structure；The transmission structure of the first time window indicate in the first time window include be reserved for downlink transfer when
At least one of gap, the time slot for being reserved for protection interval or the time slot for being reserved for uplink or the combination of its composition；
The transmission structure of the first time window is one of Q kind candidate structure；The M is positive integer, and the Q is positive integer, institute
M is stated as the time-domain position of the first time window changes；The K is positive integer；Each time in the K time resource
Resource includes positive integer time window；The K time resource and K kind transmission structure correspond；The K time is provided
Any time resource in source, the transmission structure of time window therein be in the K kind transmission structure with any time resource
Corresponding transmission structure；Any two kinds of transmission structures in the K kind transmission structure are different, the K kind transmission structures
In any transmission structure be one of described Q kind candidate structure；The first time window is except the K time resource
A time window.
2. the method according to claim 1, wherein also comprising the following steps:
Step B. sends the first wireless signal on target running time-frequency resource, or receives first wirelessly on target running time-frequency resource
Signal；
Wherein, first signaling includes the scheduling information of first wireless signal, and the scheduling information includes occupied
At least one of running time-frequency resource, MCS, RV, NDI or HARQ process number or combination of its composition；The target running time-frequency resource exists
Belong to object time window in time domain, the object time window is a time window except the K time resource.
3. the method according to claim 1, wherein the target information passes through air interface or return link
Or at least one of combination of its composition transmission.
4. a kind of method in UE for supporting configurable transmission structure, wherein include the following steps:
Step A0. receives K target information, and the K target information is respectively used to determine K time resource；
Step A. receives the first signaling；
Wherein, first signaling includes M information bit, and the M information bit is used for determining the biography of first time window
Defeated structure；The transmission structure of the first time window indicate in the first time window include be reserved for downlink transfer when
At least one of gap, the time slot for being reserved for protection interval or the time slot for being reserved for uplink or the combination of its composition；
The transmission structure of the first time window is one of Q kind candidate structure；The M is positive integer, and the Q is positive integer, institute
M is stated as the time-domain position of the first time window changes；
The K is positive integer；Each time resource in the K time resource includes positive integer time window；At described K
Between resource and K kind transmission structure correspond；For any time resource in the K time resource, time window therein
Transmission structure is transmission structure corresponding with any time resource in the K kind transmission structure；In the K kind transmission structure
Any two kinds of transmission structures be it is different, any transmission structure in the K kind transmission structure is the Q kind candidate structure
One of；The target information passes through air interface transmission；The first time window is one except the K time resource
A time window.
5. according to the method described in claim 4, it is characterized in that, also comprising the following steps:
Step B. receives the first wireless signal on target running time-frequency resource, or sends first wirelessly on target running time-frequency resource
Signal；
Wherein, first signaling includes the scheduling information of first wireless signal, and the scheduling information includes occupied
At least one of running time-frequency resource, MCS, RV, NDI or HARQ process number or combination of its composition；The target running time-frequency resource exists
Belong to object time window in time domain, the object time window is a time window except the K time resource.
6. a kind of base station equipment for supporting configurable transmission structure, wherein including following module:
- the first sending module: for sending K target information；Send the first signaling；
First processing module: for sending the first wireless signal on target running time-frequency resource, or in target running time-frequency resource
The first wireless signal of upper reception；
Wherein, first signaling includes M information bit, and the M information bit is used for determining the biography of first time window
Defeated structure；The transmission structure of the first time window indicate in the first time window include be reserved for downlink transfer when
Gap, the time slot for being reserved for protection interval or the time slot for being reserved for uplink or or its composition combination at least it
One；The transmission structure of the first time window is one of Q kind candidate structure；The M is positive integer, and the Q is positive integer,
The M changes with the time-domain position of the first time window；First signaling further includes the tune of first wireless signal
Information is spent, the scheduling information includes the combination of occupied running time-frequency resource, MCS, RV, NDI or HARQ process number or its composition
At least one of；The K target information is respectively used to determine K time resource；The K is positive integer；At described K
Between each time resource in resource include positive integer time window, the target running time-frequency resource belongs to the object time in the time domain
Window, the object time window are a time windows except the K time resource；The K time resource and K kind transmission knot
Structure corresponds；For any time resource in the K time resource, the transmission structure of time window therein is the K kind
Transmission structure corresponding with any time resource in transmission structure；Any two kinds of transmission knot in the K kind transmission structure
Structure be it is different, any transmission structure in the K kind transmission structure is one of described Q kind candidate structure；Described
One time window is a time window except the K time resource.
7. a kind of user equipment for supporting configurable transmission structure, wherein including following module:
- the first receiving module: for receiving K target information；Receive the first signaling；
Third processing module: for receiving the first wireless signal on target running time-frequency resource, or in target running time-frequency resource
The first wireless signal of upper transmission；
Wherein, first signaling includes M information bit, and the M information bit is used for determining the biography of first time window
Defeated structure；The transmission structure of the first time window indicate in the first time window include be reserved for downlink transfer when
At least one of gap, the time slot for being reserved for protection interval or the time slot for being reserved for uplink or the combination of its composition；
The transmission structure of the first time window is one of Q kind candidate structure；The M is positive integer, and the Q is positive integer, institute
M is stated as the time-domain position of the first time window changes；First signaling further includes the scheduling of first wireless signal
Information, the scheduling information include in the combination of occupied running time-frequency resource, MCS, RV, NDI or HARQ process number or its composition
At least one of；The K target information is respectively used to determine K time resource, and the K is positive integer；The K time
Each time resource in resource includes positive integer time window, and the target running time-frequency resource belongs to the object time in the time domain
Window, the object time window are a time windows except the K time resource；The K time resource and K kind transmission knot
Structure corresponds；For any time resource in the K time resource, the transmission structure of time window therein is the K kind
Transmission structure corresponding with any time resource in transmission structure；Any two kinds of transmission knot in the K kind transmission structure
Structure be it is different, any transmission structure in the K kind transmission structure is one of described Q kind candidate structure；The mesh
Mark information passes through air interface transmission；The first time window is a time window except the K time resource.
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| CN110139390B (en) * | 2018-02-09 | 2023-07-25 | 维沃移动通信有限公司 | Resource scheduling indication method, terminal and network equipment |
| CN110324125B (en) | 2018-03-30 | 2022-08-19 | 华为技术有限公司 | Method and device for determining resources |
| CN110351050B (en) * | 2018-04-04 | 2022-03-01 | 上海朗帛通信技术有限公司 | Method and device in user equipment and base station used for narrow-band communication |
| CN114007271A (en) * | 2018-07-31 | 2022-02-01 | 上海朗帛通信技术有限公司 | Method and apparatus in a node used for wireless communication |
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