CN107896390A - A kind of method and apparatus in UE for low latency, base station - Google Patents
A kind of method and apparatus in UE for low latency, base station Download PDFInfo
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- CN107896390A CN107896390A CN201610878214.8A CN201610878214A CN107896390A CN 107896390 A CN107896390 A CN 107896390A CN 201610878214 A CN201610878214 A CN 201610878214A CN 107896390 A CN107896390 A CN 107896390A
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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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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Abstract
The invention discloses the method and apparatus in a kind of UE for low latency, base station.As one embodiment, UE receives the first wireless signal in very first time window first；Then second wireless singal is sent in the second time window.Wherein, the time-domain resource shared by first wireless signal belongs to the 3rd time window, and the cut-off time of the 3rd time window is later than the initial time of second time window.The second wireless singal is used for determining at least one of { first wireless signal is properly decoded, and first wireless signal is not properly decoded, the cut-off time of the 3rd time window }.The present invention improves efficiency of transmission while low latency and robustness is ensured.
Description
Technical field
The present invention relates to the transmission plan of the wireless signal in wireless communication system, more particularly to the side of low latency communication
Method and device.
Background technology
For traditional HARQ (Hybrid Automatic Repeat reQuest, hybrid automatic repeat-request), receive
Side in case the decoding was unsuccessful, preserves the data received, and requires that sender retransmits data, and recipient is by the data of re-transmission
Rear further decoding is merged with previously received data.
Traditional HARQ technologies can effectively reduce BLER (BLock Error Rate, Block Error Rate), but RTT (Round
Trip Time, return the time) increase of transmission delay will be caused.Will to delay and robustness (Robustness) for those
Ask all higher business, such as 3GPP (3rd Generation Partner Project, third generation cooperative partner program)
For the URLLC (Ultra Reliable Low Latency Communication, super reliable low latency communication) of formulation, pass
The HARQ of system may be no longer applicable.
The content of the invention
In order to ensure low latency and robustness simultaneously, one intuitively scheme be to reduce the efficiency of modulation/coding, subtract simultaneously
Few (or even cancellation) HARQ number of retransmissions.However, above-mentioned intuitively method will seriously reduce efficiency of transmission.
In view of the above-mentioned problems, the invention provides solution.It should be noted that in the case where not conflicting, this Shen
The feature in embodiment and embodiment please can be arbitrarily mutually combined.For example, embodiment and embodiment in the UE of the application
In feature may apply in base station, vice versa.
The invention discloses a kind of method in UE (User Equipment, user equipment) for being used for low latency, its
In, comprise the following steps：
- step A. handles the first wireless signal in object time window；
- step B. operates second wireless singal in the second time window.
Wherein, it is described processing be receive and it is described operation be send, the object time window is very first time window；Or
It is described processing be send and it is described operation be receive, the object time window is the 3rd time window.First wireless signal
Shared time-domain resource belongs to the 3rd time window, and the cut-off time of the 3rd time window is later than rising for second time window
Begin the moment.The second wireless singal is used for determining that { first wireless signal is properly decoded, first wireless signal
At least one of be not properly decoded, the cut-off time of the 3rd time window.
It is different with traditional HARQ, the UE (the 3rd time windows before first wireless signal is received completely
Cut-off time before) just have sent the second wireless singal；Or the UE is sending first wireless signal completely
The second wireless singal is just have received before.
As one embodiment, on the one hand the above method reduces transmission delay；On the other hand make it that described first is wireless
The sender of signal can terminate transmission as early as possible, and then improve efficiency of transmission.
As one embodiment, the second wireless singal indicates that first wireless signal is properly decoded, described the
Two wireless signals are used for determining the cut-off time of the 3rd time window.
As one embodiment, the second wireless singal and first wireless signal are outside the very first time window
Part it is unrelated.
As one embodiment, the second wireless singal is according to first wireless signal in the very first time window
Part determine.
As one embodiment, the initial time of second time window is later than the cut-off time of the very first time window.
As one embodiment, the initial time of the 3rd time window is equal to the initial time of the very first time window,
The cut-off time of 3rd time window is later than the cut-off time of the very first time window.
As one embodiment, first wireless signal occupies each multicarrier symbol in the 3rd time window
Number.As a sub- embodiment, the multicarrier symbol is OFDM (Orthogonal Frequency Division
Multiplexing, OFDM) symbol.As a sub- embodiment, the multicarrier symbol is SC-FDMA symbols.
As a sub- embodiment, the multicarrier symbol is FBMC (Filter Bank Multiple Carrier) symbol.
As one embodiment, first wireless signal carries physical layer data.
As one embodiment, the processing is to receive, and transmission channel corresponding to first wireless signal is DL-SCH
(DownLink Shared CHannel, DSCH Downlink Shared Channel).
As one embodiment, the processing is to send, and transmission channel corresponding to first wireless signal is UL-SCH
(UpLink Shared CHannel, Uplink Shared Channel).
As one embodiment, the second wireless singal is used for determining the cut-off time of the 3rd time window, institute
The cut-off time of the 3rd time window is stated after the cut-off time of second time window.
As one embodiment, the second wireless singal (is only used for transmitting physical layer in physical layer control channel
The physical layer channel of control signaling) on transmit.
As a sub- embodiment of above-described embodiment, the processing is to receive, and the physical layer control channel includes
{ PUCCH (Physical Uplink Control CHannel, Physical Uplink Control Channel), sPUCCH (Shorten
At least one of PUCCH, short PUCCH) }.
As a sub- embodiment of above-described embodiment, the processing is to send, and the physical layer control channel includes
{ PDCCH (Physical Downlink Control CHannel, Physical Downlink Control Channel), sPDCCH (Shorten
At least one of PDCCH, short PDCCH), ePDCCH (enhanced PDCCH, the PDCCH of enhancing) }.
As one embodiment, the second wireless singal is formed according to a characteristic sequence modulation, the feature sequence
Row include at least one of { Zadoff-Chu sequence, pseudo-random sequence }.
As a sub- embodiment of above-described embodiment, cut-off time of the 3rd time window to second time window
Cut-off time between time interval be to be determined by the sender of first wireless signal.
As a sub- embodiment of above-described embodiment, cut-off time of the 3rd time window to second time window
Cut-off time between time interval be configurable.
As a sub- embodiment of above-described embodiment, cut-off time of the 3rd time window to second time window
Cut-off time between time interval be default.
As one embodiment, first wireless signal transmits on first carrier, and the second wireless singal is
Transmitted on nd carrier.
As a sub- embodiment of above-described embodiment, the processing is to receive, and the first carrier and described second carries
The descending carrier and FDD up-link carriers that it is FDD (Frequency Division Duplex, FDD) respectively that ripple, which is,.
As a sub- embodiment of above-described embodiment, the processing is to send, and the first carrier and described second carries
It is FDD up-link carriers and FDD descending carriers respectively that ripple, which is,.
As a sub- embodiment of above-described embodiment, the first carrier and second carrier wave are belonging respectively to unauthorized
Frequency spectrum (Unlicensed Spectrum) and mandate frequency spectrum (Licensed Spectrum).
As one embodiment, only described first wireless signal is properly decoded, and the second wireless singal is just sent out
Send.
Specifically, according to an aspect of the present invention, it is characterised in that the step A also comprises the following steps：
- step A0. receives the 3rd wireless signal.
Wherein, the 3rd wireless signal is used for determining first resource pond, and the first resource pond includes G1 time-frequency
Resource block, the time/frequency source block include multiple RU, and the RU takes a subcarrier on frequency domain, and one is taken in time domain
The duration of multicarrier symbol.The second wireless singal takes the G2 running time-frequency resources in the first resource pond
Block.The G1 is positive integer, and the G2 is less than or the positive integer equal to the G1.
As one embodiment, the duration (unit is the second) of the multicarrier symbol is equal to the spacing of the subcarrier
The inverse of (unit is hertz).
As one embodiment, the processing is to receive, and the first resource pond is reserved for PUCCH (Physical
Upl ink Control CHannel, Physical Uplink Control Channel) or sPUCCH (Shorten PUCCH, short PUCCH).
As one embodiment, the processing is to send, and the first resource pond is reserved for ePDCCH (enhanced
Physical Downl ink Control CHannel, the Physical Downlink Control Channel of enhancing).
As one embodiment, the G1 is more than 1, and the G2 is 1.
As one embodiment, any two time/frequency source block in the G1 time/frequency source block is orthogonal in time domain
(i.e. not overlapping).
As one embodiment, the RU in the time/frequency source block is continuous on frequency domain.
As one embodiment, the RU in the time/frequency source block is continuous in time domain.
As one embodiment, the 3rd wireless signal carries high-rise (Higher Layer) signaling.
As one embodiment, the 3rd wireless signal carries one or more RRC (Radio Resource
Control, wireless heterogeneous networks) IE (Information Element, information unit).
As one embodiment, the 3rd wireless signal (can be used for the transmitting physical number of plies in physical layer data channel
According to physical layer channel) on transmit.
As a sub- embodiment of above-described embodiment, the physical layer data channel includes { PDSCH (Physical
Downl ink Shared CHannel, Physical Downlink Shared Channel), sPDSCH (shorten PDSCH, short PDSCH),
At least one of PUSCH (Physical Uplink Shared CHannel, Physical Uplink Shared Channel) }.
Specifically, according to an aspect of the present invention, it is characterised in that the step A also comprises the following steps：
- step A1. receives the 4th wireless signal.
Wherein, the 4th wireless signal is used for determining { very first time length, shared by first wireless signal
At least one of frequency domain resource }, the duration of the 3rd time window is no more than the very first time length.
As one embodiment, the second wireless singal indicates that first wireless signal is properly decoded, even if institute
The duration for stating the 3rd time window is less than the very first time length, and the sender of first wireless signal stops sending institute
State the first wireless signal.
As one embodiment, the second wireless singal indicates first wireless signal by erroneous interpretations, described the
The sender of one wireless signal continues to send first wireless signal.
In above-mentioned two embodiment, the sender of first wireless signal is according to determining the second wireless singal
The transmission time of first wireless signal, robustness is on the one hand ensure that, on the other hand avoid serious reduction efficiency of transmission.
As one embodiment, the very first time length is first wireless signal when the maximum in time domain continues
Between.
As one embodiment, the 4th wireless signal carries high-level signaling.
As one embodiment, the 4th wireless signal carries physical-layer signaling.
As one embodiment, the 4th wireless signal is in physical layer data channel.
As a sub- embodiment of above-described embodiment, the physical layer data channel include PDSCH, sPDSCH,
At least one of PUSCH }.
As one embodiment, First ray be used to generate the 4th wireless signal, and the First ray is Q1
A candidate sequence in candidate sequence, the Q1 are greater than 1 positive integer.
As a sub- embodiment of above-described embodiment, the candidate sequence is pseudo-random sequence either Zadoff-Chu
Sequence.
As a sub- embodiment of above-described embodiment, index quilt of the First ray in the Q1 candidate sequence
For determining at least one of { very first time length, size of the frequency domain resource shared by first wireless signal }.
As a sub- embodiment of above-described embodiment, the described 4th wireless shared time-domain resource is used for determining institute
State the initial time of the time-domain resource shared by the first wireless signal or the initial time of the very first time window.
As a sub- embodiment of above-described embodiment, the 4th wireless signal is the First ray successively through toning
Mapper (Modulation Mapper) processed, layer mapper (Layer Mapper), precoding (Precoding), resource particle
Output after (Generation) occurs for mapper (Resource Element Mapper), ofdm signal.
Specifically, according to an aspect of the present invention, it is characterised in that also comprise the following steps：
- step C. handles the 5th wireless signal in the 4th time window.
Wherein, the second wireless singal indicates that first wireless signal is properly decoded.4th time window
Initial time is less than the very first time length apart from the time interval of the initial time of the very first time window.5th nothing
The frequency domain resource shared by frequency domain resource and first wireless signal shared by line signal has overlapping.
As one embodiment, the sender of first wireless signal utilizes the time-domain resource saved, i.e. the 3rd time
The cut-off time of window to the time-domain resource between object time, sends the 5th wireless signal, improves efficiency of transmission.It is described
Object time after the initial time of the 3rd time window and the object time to the 3rd time window starting when
Time interval between quarter is very first time length.
As one embodiment, the initial time of the 4th time window the cut-off time of second time window it
Afterwards.
As one embodiment, cut-off time of the 3rd time window the 4th time window initial time it
Before.
As a sub- embodiment of above-described embodiment, the cut-off time of the 3rd time window and the 4th time window
Initial time between time interval be no more than duration of multicarrier symbol.During the starting of the 4th time window
Quarter is the initial time of a multicarrier symbol.
As a sub- embodiment of above-described embodiment, the cut-off time of the 3rd time window and the 4th time window
Initial time between time interval be no more than TTI (Transport Time Interval, Transmission Time Interval)
Duration.The initial time of 4th time window is the initial time of a physical layer data channel.
As a sub- embodiment of above-described embodiment, the cut-off time of the 3rd time window and the 4th time window
Initial time between time interval be no more than duration of sTTI (shorten TTI, short transmission time interval).
The initial time of 4th time window is the initial time of a physical layer data channel.
As one embodiment, the first bit block be used to generate first wireless signal, and the second bit block is used for
Generate the 5th wireless signal.
As a sub- embodiment of above-described embodiment, first bit block and second bit block are included just respectively
Integer TB (Transport Block, transmission block).
As a sub- embodiment of the embodiment, first wireless signal is first bit block successively by letter
Road encodes (Channel Coding), modulation mapper (Modulation Mapper), layer mapper (Layer Mapper),
Precoding (Precoding), resource particle mapper (Resource Element Mapper), ofdm signal occur
(Generation) output after.The second wireless singal is that second bit block passes through channel coding successively, modulation
Mapper, layer mapper, precoding, resource particle mapper, the output after ofdm signal generation.
As one embodiment, first wireless signal and the 5th wireless signal are in identical physical layer channel
Transmission.As a sub- embodiment, the processing is to receive, and the identical physical layer channel is PDSCH or sPDSCH.Make
For another sub- embodiment, the processing is to send, and the identical physical layer channel is PUSCH or sPUSCH.
As one embodiment, first wireless signal and the 5th wireless signal correspond to identical transmission channel.
As a sub- embodiment, the processing is to receive, and the identical transmission channel is DL-SCH.Implement as another height
Example, the processing are to send, and the identical transmission channel is UL-SCH.
As one embodiment, the 5th wireless signal is used in { synchronous, channel measurement, channel estimation } at least
One of.
As a sub- embodiment of above-described embodiment, the 5th wireless signal include RS (Reference Signal,
Reference signal).
Specifically, according to an aspect of the present invention, it is characterised in that also comprise the following steps：
- step C0. handles the 6th wireless signal in the 5th time window.
Wherein, the initial time of the 5th time window is after the cut-off time of second time window, and the described 6th
Wireless signal is used for determining in { cut-off time of the 3rd time window, the initial time of the 4th time window } at least
One of.
As one embodiment, the initial time of the 5th time window the 4th time window initial time it
Afterwards.
As one embodiment, the 6th wireless signal is used for determining TBS corresponding to the 5th wireless signal
(Transport Block Size, transport block size).
As one embodiment, the 6th wireless signal transmits on physical layer control channel.
As one embodiment, the 6th wireless signal is that cell is public.
As one embodiment, the 6th wireless signal is UE specific, or UE groups are specifically.
As one embodiment, the second sequence be used to generate the 6th wireless signal.
As a sub- embodiment of above-described embodiment, second sequence is candidate's sequence in Q2 candidate sequence
Row, the Q2 are greater than 1 positive integer.Index instruction { described threeth of second sequence in the Q2 candidate sequence
At least one of the cut-off time of time window, the initial time of the 4th time window }.
As a sub- embodiment of above-described embodiment, the cut-off time of the 3rd time window and the second sequence institute
The time-domain resource of occupancy is associated.
As a sub- embodiment of above-described embodiment, the cut-off time of the 4th time window and the second sequence institute
The time-domain resource of occupancy is associated.
As one embodiment, the initial time of the 5th time window the cut-off time of second time window it
Afterwards.
Specifically, according to an aspect of the present invention, it is characterised in that the step B also comprises the following steps：
- step B1. operates the 7th wireless signal in the 6th time window.
Wherein, the 7th wireless signal indicates that first wireless signal is not properly decoded, second wireless communication
Number instruction first wireless signal is properly decoded.6th time window is before second time window.
As one embodiment, the 7th wireless signal takes the G3 running time-frequency resources in the first resource pond
Block.The G3 is less than the positive integer of the G1.
As one embodiment, the initial time of the initial time of the 3rd time window earlier than the 6th time window.
The invention discloses a kind of method being used in the base station of low latency, wherein, comprise the following steps：
- step A. operates the first wireless signal in object time window；
- step B. handles second wireless singal in the second time window.
Wherein, it is described operation be send and it is described processing be receive, the object time window is the 3rd time window；Or
It is described operation be receive and it is described processing be send, the object time window is very first time window.First wireless signal
Shared time-domain resource belongs to the 3rd time window, and the cut-off time of the 3rd time window is later than rising for second time window
Begin the moment.The second wireless singal is used for determining that { first wireless signal is properly decoded, first wireless signal
At least one of be not properly decoded, the cut-off time of the 3rd time window.
As one embodiment, the second wireless singal is used for determining whether first wireless signal is correctly translated
Code.
Specifically, according to an aspect of the present invention, it is characterised in that the step A also comprises the following steps：
- step A0. sends the 3rd wireless signal.
Wherein, the 3rd wireless signal is used for determining first resource pond, and the first resource pond includes G1 time-frequency
Resource block, the time/frequency source block include multiple RU, and the RU takes a subcarrier on frequency domain, and one is taken in time domain
The duration of multicarrier symbol.The second wireless singal takes the G2 running time-frequency resources in the first resource pond
Block.The G1 is positive integer, and the G2 is less than or the positive integer equal to the G1.
Specifically, according to an aspect of the present invention, it is characterised in that the step A also comprises the following steps：
- step A1. sends the 4th wireless signal.
Wherein, the 4th wireless signal is used for determining { very first time length, shared by first wireless signal
At least one of frequency domain resource }, the duration of the 3rd time window is no more than the very first time length.
As one embodiment, the second wireless singal indicates that first wireless signal is properly decoded, even if institute
The duration for stating the 3rd time window is less than the very first time length, and the base station stops sending first wireless signal.
As one embodiment, the second wireless singal indicates first wireless signal by erroneous interpretations, the base
Station continues to send first wireless signal is equal to the very first time length until the duration of the 3rd time window.
Specifically, according to an aspect of the present invention, it is characterised in that also comprise the following steps：
- step C. operates the 5th wireless signal in the 4th time window.
Wherein, the second wireless singal indicates that first wireless signal is properly decoded.4th time window
Initial time is less than the very first time length apart from the time interval of the initial time of the very first time window.5th nothing
The frequency domain resource shared by frequency domain resource and first wireless signal shared by line signal has overlapping.
Specifically, according to an aspect of the present invention, it is characterised in that also comprise the following steps：
- step C0. operates the 6th wireless signal in the 5th time window.
Wherein, the initial time of the 5th time window is after the cut-off time of second time window, and the described 6th
Wireless signal is used for determining in { cut-off time of the 3rd time window, the initial time of the 4th time window } at least
One of.
Specifically, according to an aspect of the present invention, it is characterised in that the step B also comprises the following steps：
- step B1. handles the 7th wireless signal in the 6th time window.
Wherein, the 7th wireless signal indicates that first wireless signal is not properly decoded, second wireless communication
Number instruction first wireless signal is properly decoded.6th time window is before second time window.
The invention discloses a kind of user equipment for supporting low latency, wherein, including following module：
First module：For handling the first wireless signal in object time window；
Second module：For operating second wireless singal in the second time window.
Wherein, it is described processing be receive and it is described operation be send, the object time window is very first time window；Or
It is described processing be send and it is described operation be receive, the object time window is the 3rd time window.First wireless signal
Shared time-domain resource belongs to the 3rd time window, and the cut-off time of the 3rd time window is later than rising for second time window
Begin the moment.The second wireless singal is used for determining that { first wireless signal is properly decoded, first wireless signal
At least one of be not properly decoded, the cut-off time of the 3rd time window.
As one embodiment, above-mentioned user equipment is characterised by, it is wireless that first module is additionally operable to reception the 3rd
Signal.Wherein, the 3rd wireless signal is used for determining first resource pond, and the first resource pond includes G1 running time-frequency resource
Block, the time/frequency source block include multiple RU, and the RU takes a subcarrier on frequency domain, and an overloading is taken in time domain
The duration of ripple symbol.The second wireless singal takes the G2 time/frequency source blocks in the first resource pond.Institute
It is positive integer to state G1, and the G2 is less than or the positive integer equal to the G1.
As one embodiment, above-mentioned user equipment is characterised by, it is wireless that first module is additionally operable to reception the 4th
Signal.Wherein, the 4th wireless signal is used for determining { very first time length, the frequency shared by first wireless signal
At least one of domain resource }, the duration of the 3rd time window is no more than the very first time length.
As one embodiment, above-mentioned user equipment is characterised by, second module is additionally operable in the 6th time window
Operate the 7th wireless signal.Wherein, the 7th wireless signal indicates that first wireless signal is not properly decoded, described the
Two wireless signals indicate that first wireless signal is properly decoded.6th time window is before second time window.
As one embodiment, above-mentioned user equipment is characterised by, first module is additionally operable to { in the 4th time window
At least one of the 5th wireless signal of middle processing, handles the 6th wireless signal in the 5th time window }.
Wherein, the second wireless singal indicates that first wireless signal is properly decoded.4th time window
Initial time is less than the very first time length apart from the time interval of the initial time of the very first time window.5th nothing
The frequency domain resource shared by frequency domain resource and first wireless signal shared by line signal has overlapping.5th time window
Initial time after the cut-off time of second time window, the 6th wireless signal is used for determining the { the described 3rd
At least one of the cut-off time of time window, the initial time of the 4th time window }.
The invention discloses a kind of base station equipment for supporting low latency, wherein, including following module：
3rd module：For operating the first wireless signal in object time window；
4th module：For handling second wireless singal in the second time window.
Wherein, it is described operation be send and it is described processing be receive, the object time window is the 3rd time window；Or
It is described operation be receive and it is described processing be send, the object time window is very first time window.First wireless signal
Shared time-domain resource belongs to the 3rd time window, and the cut-off time of the 3rd time window is later than rising for second time window
Begin the moment.The second wireless singal is used for determining that { first wireless signal is properly decoded, first wireless signal
At least one of be not properly decoded, the cut-off time of the 3rd time window.
As one embodiment, above-mentioned base station equipment is characterised by, it is wireless that the 3rd module is additionally operable to transmission the 3rd
Signal.Wherein, the 3rd wireless signal is used for determining first resource pond, and the first resource pond includes G1 running time-frequency resource
Block, the time/frequency source block include multiple RU, and the RU takes a subcarrier on frequency domain, and an overloading is taken in time domain
The duration of ripple symbol.The second wireless singal takes the G2 time/frequency source blocks in the first resource pond.Institute
It is positive integer to state G1, and the G2 is less than or the positive integer equal to the G1.
As one embodiment, above-mentioned base station equipment is characterised by, it is wireless that the 3rd module is additionally operable to transmission the 4th
Signal.Wherein, the 4th wireless signal is used for determining { very first time length, the frequency shared by first wireless signal
At least one of domain resource }, the duration of the 3rd time window is no more than the very first time length.
As one embodiment, above-mentioned base station equipment is characterised by, the 4th module is additionally operable in the 6th time window
Handle the 7th wireless signal.Wherein, the 7th wireless signal indicates that first wireless signal is not properly decoded, described the
Two wireless signals indicate that first wireless signal is properly decoded.6th time window is before second time window.
As one embodiment, above-mentioned base station equipment is characterised by, the 3rd module is additionally operable to { in the 4th time window
At least one of the 5th wireless signal of middle operation, operates the 6th wireless signal in the 5th time window }.
Wherein, the second wireless singal indicates that first wireless signal is properly decoded.4th time window
Initial time is less than the very first time length apart from the time interval of the initial time of the very first time window.5th nothing
The frequency domain resource shared by frequency domain resource and first wireless signal shared by line signal has overlapping.5th time window
Initial time after the cut-off time of second time window, the 6th wireless signal is used for determining the { the described 3rd
At least one of the cut-off time of time window, the initial time of the 4th time window }.
Compared to the prior art, presently disclosed scheme possesses following advantage：
- reduces transmission delay.As long as no maximum time length (very first time length) is reached, emitter can be held
Supervention send data to ensure receiver correct decoding as early as possible.
- improves robustness.Very first time length is designed to ensure sufficiently low BLER.
- improves efficiency of transmission.Once receiver correct decoding, then stopped using second wireless singal notice emitter
Send.Transmitting function transmits other wireless signals using the time-domain resource of saving.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, of the invention is other
Feature, objects and advantages will become more apparent：
Fig. 1 shows that the first wireless signal according to an embodiment of the invention is the flow chart of downstream signal；
Fig. 2 shows that the first wireless signal according to an embodiment of the invention is the flow chart of upward signal；
Fig. 3 shows the schematic diagram of multiple time windows according to an embodiment of the invention；
Fig. 4 shows the schematic diagram of the 4th time window and the 5th time window according to an embodiment of the invention；
Fig. 5 shows the schematic diagram of multiple time windows according to still another embodiment of the invention；
Fig. 6 shows the schematic diagram of second wireless singal according to an embodiment of the invention；
Fig. 7 shows the flow chart that the first wireless signal according to an embodiment of the invention is sent；
Fig. 8 shows the structural frames for being used to receive the processing unit of data in UE according to an embodiment of the invention
Figure；
Fig. 9 shows the structure for being used to send the processing unit of data in base station according to an embodiment of the invention
Block diagram；
Figure 10 shows the structure for being used to send the processing unit of data in UE according to an embodiment of the invention
Block diagram；
Figure 11 shows the knot for being used to receive the processing unit of data in base station according to an embodiment of the invention
Structure block diagram；
Embodiment
Technical scheme is described in further detail below in conjunction with accompanying drawing, it is necessary to explanation is, do not rushed
In the case of prominent, the feature in embodiments herein and embodiment can be arbitrarily mutually combined.
Embodiment 1
Embodiment 1 illustrates the flow chart that the first wireless signal is downstream signal, as shown in Figure 1.In accompanying drawing 1, base station
N1 is the maintenance base station of UE U2 serving cell, and the step in step and square frame F1 in square frame F0 is optional respectively.
ForBase station N1, the 4th wireless signal is sent in step slo；The 3rd wireless signal is sent in step s 11；
In step S12 the first wireless signal is sent in the 3rd time window；In step s 13 the second wireless communication is received in the second time window
Number.
ForUE U2, the 4th wireless signal is received in step S20；The 3rd wireless signal is received in the step s 21；
The first wireless signal is received in step S22 in very first time window；In step S23 the second wireless communication is sent in the second time window
Number.
In embodiment 1, the time-domain resource shared by first wireless signal belongs to the 3rd time window, the 3rd time
The cut-off time of window is later than the initial time of second time window.The second wireless singal is used to determine { institute by base station N1
State the first wireless signal to be properly decoded, first wireless signal is not properly decoded, during the cut-off of the 3rd time window
At least one of carve.3rd wireless signal is used for determining first resource pond, when the first resource pond includes G1
Frequency resource block, the time/frequency source block include multiple RU, and the RU takes a subcarrier on frequency domain, one is taken in time domain
The duration of individual multicarrier symbol.The second wireless singal takes the G2 running time-frequency resources in the first resource pond
Block.The G1 is positive integer, and the G2 is less than or the positive integer equal to the G1.4th wireless signal is used for really
At least one of fixed { very first time length, frequency domain resource shared by first wireless signal }, the 3rd time window
Duration be no more than the very first time length.
As the sub- embodiment 1 of embodiment 1, the spacing of the subcarrier be 3.75kHz, 7.5kHz, 15kHz, 30kHz,
60kHz, 120kHz, 240kHz, 480kHz } in one kind.
As the sub- embodiment 2 of embodiment 1, first wireless signal is in physical layer data channel, and described
Two wireless signals transmit on physical layer control channel.
As the sub- embodiment 3 of embodiment 1, the 3rd wireless signal is in physical layer data channel, and described
Four wireless signals are in physical layer data channel.
It is described to give for any one RU in the given time/frequency source block as the sub- embodiment 4 of embodiment 1
Exist in the fixed time/frequency source block at least one given RU, the given RU and any one described RU in time domain or
It is continuous on frequency domain.
As the sub- embodiment 5 of embodiment 1, in the first wireless signal occupancy multiple RU, the multiple RU at least
Two RU correspond to different subcarrier spacing.
Embodiment 2
Embodiment 2 illustrates the flow chart that the first wireless signal is upward signal, as shown in Figure 2.In accompanying drawing 2, base station
N3 is the maintenance base station of UE U4 serving cell.
ForBase station N3, the first wireless signal is received in very first time window in step S31；In step s 32
Two time windows send second wireless singal.
ForUE U4, the first wireless signal is sent in the 3rd time window in step S41；Second in step S42
Time window receives second wireless singal.
In embodiment 2, the second wireless singal is used for the cut-off time for determining the 3rd time window by UE U4.
As the sub- embodiment 1 of embodiment 2, first wireless signal is in physical layer data channel, and described
Two wireless signals transmit on physical layer control channel.
As the sub- embodiment 2 of embodiment 2, when only described first wireless signal is properly decoded, described second is wireless
Signal is sent by the base station N3.I.e. described second wireless singal indicates that first wireless signal is properly decoded.
As the sub- embodiment 3 of embodiment 2, the second wireless singal indicates whether first wireless signal is correct
Decoding.
As the sub- embodiment 4 of embodiment 2, the second wireless singal is generated according to a characteristic sequence.
Embodiment 3
Embodiment 3 illustrates the schematic diagram of multiple time windows, as shown in Figure 3.
In embodiment 3, emitter starts to send out in the initial time (i.e. the initial time of the 3rd time window) of very first time window
Send the first wireless signal；First wireless signal that receiver correct decoding receives in the very first time window；Receive
Machine sends second wireless singal in the second time window, and the second wireless singal indicates that first wireless signal is correctly translated
Code；Emitter stops sending described first after receiving the second wireless singal (in the cut-off time of the 3rd time window)
Wireless signal；Emitter sends the 5th wireless signal in the 4th time window.
In embodiment 3, cut-off time of the very first time window is to being between the initial time of second time window
One time interval, receiver are carried out in the very first time interval to first wireless signal in the very first time window
Decoding.
As the sub- embodiment 1 of embodiment 3, the cut-off time of the 3rd time window and the starting of the 4th time window
Time interval between moment is no more than the duration of a multicarrier symbol.The initial time of 4th time window is one
The initial time of individual multicarrier symbol.
As the sub- embodiment 2 of embodiment 3, the cut-off time of the 3rd time window and the starting of the 4th time window
Time interval between moment be no more than TTI (Transport Time Interval, Transmission Time Interval) it is lasting when
Between.The initial time of 4th time window is the initial time of a physical layer data channel.
As the sub- embodiment 3 of embodiment 3, the cut-off time of the 3rd time window and the starting of the 4th time window
Time interval between moment is no more than the duration of a sTTI (shorten TTI, short transmission time interval).Described
The initial time of four time windows is the initial time of a physical layer data channel.
As the sub- embodiment 4 of embodiment 3, accompanying drawing 3 does not account for the propagation delay of transmitted from transmitter to receiver
(Propagation Delay)。
As the sub- embodiment 5 of embodiment 3, initial time the rising apart from the very first time window of the 4th time window
The time interval at moment beginning is less than the very first time length, and the very first time length is configurable.Described 5th is wireless
Signal and first wireless signal share at least one subcarrier.
Embodiment 4
Embodiment 4 illustrates the schematic diagram of the 4th time window and the 5th time window, as shown in Figure 4.In accompanying drawing 4, the 5th
The initial time of time window is later than the initial time of the 4th time window.
In embodiment 4, the 5th wireless signal and the 6th wireless signal pass in the 4th time window and the 5th time window respectively
Defeated, the 6th wireless signal is used for determining the initial time of the 4th time window.
As the sub- embodiment 1 of embodiment 4, the 6th wireless signal transmits on physical layer control channel.
As the sub- embodiment 2 of embodiment 4, the 6th wireless signal is that cell is public.
In embodiment 4, transmitting function takes the 4th time window to send the 5th wireless signal-corresponding control information in time
It can be sent afterwards.
Embodiment 5
Embodiment 5 illustrates the schematic diagram of multiple time windows, as shown in Figure 5.
In embodiment 5, the 7th wireless signal is sent in the 6th time window.7th wireless signal indicates the first nothing
Line signal is not properly decoded, and second wireless singal indicates that first wireless signal is properly decoded.6th time window
Before second time window.
As the sub- embodiment 1 of embodiment 5, the 7th wireless signal and the second wireless singal are all in first resource
Transmitted in pond, the first resource pond includes positive integer time/frequency source block, and the time/frequency source block includes multiple RU, the RU
A subcarrier is taken on frequency domain, the duration of a multicarrier symbol is taken in time domain.
Embodiment 6
Embodiment 6 illustrates the schematic diagram of second wireless singal, as shown in Figure 6.In accompanying drawing 6, the grid of oblique line filling
It is the time-domain resource shared by the first wireless signal, the grid that NACK and ACK are filled represents the time domain money shared by NACK respectively
Source and the time-domain resource shared by ACK.Wherein, the grid of NACK fillings is optional.
In embodiment 6, first ACK is used for determining by the end of the first wireless signal received by the 3rd moment, such as
Shown in arrow AR3.Receiver is in the first wireless signal described in the 3rd moment correct decoding, and receiver is since the 3rd moment
Abandon receiving first wireless signal.Receiver persistently sends ACK (as shown in arrow AR4) to carry after first ACK
High robust.
As the sub- embodiment 1 of embodiment 6, the second wireless singal in the present invention includes all in accompanying drawing 6
ACK。
As the sub- embodiment 2 of embodiment 6, receiver sends NACK before first ACK.By the end of first the moment institute
The first wireless signal received is used for determining first NACK, and (as shown in arrow AR1, receiver is when described first
Fail the first wireless signal described in correct decoding quarter), it is used for really by the end of the first wireless signal received by the second moment
(as shown in arrow AR2, it is wireless that receiver by the end of first moment fails described in correct decoding first by fixed last NACK
Signal).
As the sub- embodiment 1 of embodiment 6, the second wireless singal in the present invention includes all ACK in accompanying drawing 6
And all NACK.
As the sub- embodiment 2 of embodiment 6, an ACK takes a multicarrier symbol.
As the sub- embodiment 3 of embodiment 6, a NACK takes a multicarrier symbol.
Embodiment 7
Embodiment 7 illustrates the flow chart of the first wireless signal transmission, as shown in Figure 7.
In embodiment 7, emitter sends the first wireless signal in step s 50.Judge whether correctly to translate in step s 51
Code first wireless signal.If step S51 judged result is yes, stop sending first nothing in step S53
Line signal；Otherwise judge whether the duration of first wireless signal is less than very first time length in step S52.If
Step S52 judged result is yes, then jumps to step S50 relaying superventions and send first wireless signal；Otherwise in step S53
Stop sending first wireless signal.
As the sub- embodiment 1 of embodiment 7, the emitter is the equipment in base station.
As the sub- embodiment 2 of embodiment 7, the emitter is the equipment in UE.
As the sub- embodiment 3 of embodiment 7, in step s 51, the emitter monitors second wireless singal to judge to be
First wireless signal described in no correct decoding.
As the sub- embodiment 4 of embodiment 7, first wireless signal sent every time in step s 50 is in time domain
Including L multicarrier symbol, the L is positive integer, and the L is default or configurable.
As the sub- embodiment 5 of embodiment 7, all multicarrier symbols shared by first wireless signal are in time domain
On be continuous.
Embodiment 8
Embodiment 8 illustrates the structured flowchart of the processing unit in UE, as shown in Figure 8.In accompanying drawing 8, processing unit 100
Mainly it is made up of the first receiving module 101 and the second module 102.
First module 101 is used to receive the first wireless signal in very first time window；Second module 102 is used for
Second wireless singal is sent in the second time window.
In embodiment 8, the very first time window belongs to the 3rd time window, shared by first wireless signal when
Domain resource belongs to the 3rd time window, and the cut-off time of the 3rd time window is later than the initial time of second time window.Institute
State second wireless singal and be used for determining that { first wireless signal is properly decoded, and first wireless signal is not correct
At least one of decoding }, the second wireless singal is used for determining to state the cut-off time of the 3rd time window.
As the sub- embodiment 1 of embodiment 8, first module 101 is additionally operable to receive the 5th nothing in the 4th time window
Line signal.
As the sub- embodiment 2 of embodiment 8, first module 101 is additionally operable to receive the 6th nothing in the 5th time window
Line signal.
As the sub- embodiment 3 of embodiment 8, second module 102 is additionally operable to wireless in the transmission the 7th of the 6th time window
Signal.
Embodiment 9
Embodiment 9 illustrates the structured flowchart of the processing unit in base station, as shown in Figure 9.In accompanying drawing 9, processing unit
200 are mainly made up of the 3rd module 201 and the 4th module 202.
3rd module 201 is used to send the first wireless signal in the 3rd time window；4th module 202 is used for
Second wireless singal is received in the second time window.
In embodiment 9, the time-domain resource shared by first wireless signal belongs to the 3rd time window, the 3rd time
The cut-off time of window is later than the initial time of second time window.The second wireless singal is used for determining { described first
Wireless signal is properly decoded, and first wireless signal is not properly decoded, the cut-off time of the 3rd time window } in
At least one.
As the sub- embodiment 1 of embodiment 9, the 3rd module 201 is additionally operable to { send the 5th nothing in the 4th time window
At least one of line signal, the 6th wireless signal is sent in the 5th time window }.Wherein, the second wireless singal instruction
First wireless signal is properly decoded.When the initial time of 4th time window is apart from the starting of the very first time window
The time interval at quarter is less than the very first time length.Frequency domain resource and first nothing shared by 5th wireless signal
Frequency domain resource shared by line signal has overlapping.The initial time of 5th time window is in the cut-off of second time window
After quarter, the 6th wireless signal is used for determining that { cut-off time of the 3rd time window, the 4th time window rise
At least one of begin the moment.
As the sub- embodiment 2 of embodiment 9, do not belong in the presence of a target multicarrier symbol at least in the 3rd time window
In the time-domain resource shared by first wireless signal.As one embodiment, the target multicarrier symbol is pre-
Leave at least one of { descending RS, control channel }.
As the sub- embodiment 3 of embodiment 9, the 4th module 202 is additionally operable to wireless in the reception the 7th of the 6th time window
Signal.
Embodiment 10
Embodiment 10 illustrates the structured flowchart of the processing unit in UE, as shown in Figure 10.In accompanying drawing 10, processing unit
300 are mainly made up of the first receiving module 301 and the second module 302.
First module 301 is used to send the first wireless signal in the 3rd time window；Second module 302 is used for the
Two time windows receive second wireless singal.
In embodiment 10, the very first time window belongs to the 3rd time window, shared by first wireless signal
Time-domain resource belongs to the 3rd time window, and the cut-off time of the 3rd time window is later than the initial time of second time window.
The second wireless singal is used for determining that { first wireless signal is properly decoded, and first wireless signal is not by just
At least one of really decoding }, the second wireless singal is used for determining to state the cut-off time of the 3rd time window.
As the sub- embodiment 1 of embodiment 10, first module 301 is additionally operable to send the 5th nothing in the 4th time window
Line signal.
As the sub- embodiment 2 of embodiment 10, first module 301 is additionally operable to send the 6th nothing in the 5th time window
Line signal.
As the sub- embodiment 3 of embodiment 10, second module 302 is additionally operable to wireless in the reception the 7th of the 6th time window
Signal.
Embodiment 11
Embodiment 11 illustrates the structured flowchart of the processing unit in base station, as shown in Figure 11.In accompanying drawing 11, processing dress
400 are put mainly to be made up of the 3rd module 401 and the 4th module 402.
3rd module 401 is used to receive the first wireless signal in very first time window；4th module 402 is used for the
Two time windows send second wireless singal.
In embodiment 11, the time-domain resource shared by first wireless signal belongs to the 3rd time window, when the described 3rd
Between cut-off time of window be later than the initial time of second time window.The second wireless singal is used for determining { described
One wireless signal is properly decoded, and first wireless signal is not properly decoded, the cut-off time of the 3rd time window } in
At least one of.
As the sub- embodiment 1 of embodiment 11, the 3rd module 401 is additionally operable to { receive the 5th in the 4th time window
At least one of wireless signal, the 6th wireless signal is received in the 5th time window }.
As the sub- embodiment 2 of embodiment 11, the 4th module 402 is additionally operable to wireless in the transmission the 7th of the 6th time window
Signal.
One of ordinary skill in the art will appreciate that all or part of step in the above method can be referred to by program
Related hardware is made to complete, described program can be stored in computer-readable recording medium, such as read-only storage, hard disk or light
Disk etc..Optionally, all or part of step of above-described embodiment can also be realized using one or more integrated circuit.Phase
Answer, each modular unit in above-described embodiment, example, in hardware can be used to realize, can also be by the form of software function module
Realize, 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 personal computer, notebook, vehicular communication equipment, wireless senser, card of surfing Internet, internet-of-things terminal, RFID terminals, NB-
IOT terminals, MTC (Machine Type Communication, machine type communication) terminal, eMTC (enhanced MTC, increase
Strong MTC) terminal, data card, card of surfing Internet, vehicular communication equipment, inexpensive mobile phone, the radio communication such as inexpensive tablet personal computer sets
It is standby.Base station in the present invention includes but is not limited to the channel radios such as macrocell base stations, microcell base station, Home eNodeB, 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 for being made, equivalent substitution, improve etc., it should be included in the protection of the present invention
Within the scope of.
Claims (16)
1. a kind of method being used in the UE of low latency, wherein, comprise the following steps：
- step A. handles the first wireless signal in object time window；
- step B. operates second wireless singal in the second time window.
Wherein, it is described processing be receive and it is described operation be send, the object time window is very first time window；It is or described
Processing be send and it is described operation be receive, the object time window is the 3rd time window.Shared by first wireless signal
Time-domain resource belongs to the 3rd time window, when the cut-off time of the 3rd time window is later than the starting of second time window
Carve.The second wireless singal be used for determining first wireless signal is properly decoded, and first wireless signal not by
At least one of correct decoding, the cut-off time of the 3rd time window }.
2. according to the method for claim 1, it is characterised in that the step A also comprises the following steps：
- step A0. receives the 3rd wireless signal.
Wherein, the 3rd wireless signal is used for determining first resource pond, and the first resource pond includes G1 running time-frequency resource
Block, the time/frequency source block include multiple RU, and the RU takes a subcarrier on frequency domain, and an overloading is taken in time domain
The duration of ripple symbol.The second wireless singal takes the G2 time/frequency source blocks in the first resource pond.Institute
It is positive integer to state G1, and the G2 is less than or the positive integer equal to the G1.
3. according to claim 1, the method described in 2, it is characterised in that the step A also comprises the following steps：
- step A1. receives the 4th wireless signal.
Wherein, the 4th wireless signal is used for determining { very first time length, the frequency domain shared by first wireless signal
At least one of resource }, the duration of the 3rd time window is no more than the very first time length.
4. according to the method for claim 3, it is characterised in that also comprise the following steps：
- step C. handles the 5th wireless signal in the 4th time window.
Wherein, the second wireless singal indicates that first wireless signal is properly decoded.The starting of 4th time window
Moment is less than the very first time length apart from the time interval of the initial time of the very first time window.5th wireless communication
The frequency domain resource shared by frequency domain resource and first wireless signal shared by number has overlapping.
5. according to the method described in claim 1-4, it is characterised in that also comprise the following steps：
- step C0. handles the 6th wireless signal in the 5th time window.
Wherein, for the initial time of the 5th time window after the cut-off time of second time window, the described 6th is wireless
Signal be used for determining in { cut-off time of the 3rd time window, the initial time of the 4th time window } at least it
One.
6. according to the method described in claim 1-5, it is characterised in that the step B also comprises the following steps：
- step B1. operates the 7th wireless signal in the 6th time window.
Wherein, the 7th wireless signal indicates that first wireless signal is not properly decoded, and the second wireless singal refers to
Show that first wireless signal is properly decoded.6th time window is before second time window.
7. a kind of method being used in the base station of low latency, wherein, comprise the following steps：
- step A. operates the first wireless signal in object time window；
- step B. handles second wireless singal in the second time window.
Wherein, it is described operation be send and it is described processing be receive, the object time window is the 3rd time window；It is or described
Operation be receive and it is described processing be send, the object time window is very first time window.Shared by first wireless signal
Time-domain resource belongs to the 3rd time window, when the cut-off time of the 3rd time window is later than the starting of second time window
Carve.The second wireless singal be used for determining first wireless signal is properly decoded, and first wireless signal not by
At least one of correct decoding, the cut-off time of the 3rd time window }.
8. according to the method for claim 7, it is characterised in that the step A also comprises the following steps：
- step A0. sends the 3rd wireless signal.
Wherein, the 3rd wireless signal is used for determining first resource pond, and the first resource pond includes G1 running time-frequency resource
Block, the time/frequency source block include multiple RU, and the RU takes a subcarrier on frequency domain, and an overloading is taken in time domain
The duration of ripple symbol.The second wireless singal takes the G2 time/frequency source blocks in the first resource pond.Institute
It is positive integer to state G1, and the G2 is less than or the positive integer equal to the G1.
9. according to claim 7, the method described in 8, it is characterised in that the step A also comprises the following steps：
- step A1. sends the 4th wireless signal.
Wherein, the 4th wireless signal is used for determining { very first time length, the frequency domain shared by first wireless signal
At least one of resource }, the duration of the 3rd time window is no more than the very first time length.
10. according to the method for claim 9, it is characterised in that also comprise the following steps：
- step C. operates the 5th wireless signal in the 4th time window.
Wherein, the second wireless singal indicates that first wireless signal is properly decoded.The starting of 4th time window
Moment is less than the very first time length apart from the time interval of the initial time of the very first time window.5th wireless communication
The frequency domain resource shared by frequency domain resource and first wireless signal shared by number has overlapping.
11. according to the method described in claim 7-10, it is characterised in that also comprise the following steps：
- step C0. operates the 6th wireless signal in the 5th time window.
Wherein, for the initial time of the 5th time window after the cut-off time of second time window, the described 6th is wireless
Signal be used for determining in { cut-off time of the 3rd time window, the initial time of the 4th time window } at least it
One.
12. according to the method described in claim 7-11, it is characterised in that the step B also comprises the following steps：
- step B1. handles the 7th wireless signal in the 6th time window.
Wherein, the 7th wireless signal indicates that first wireless signal is not properly decoded, and the second wireless singal refers to
Show that first wireless signal is properly decoded.6th time window is before second time window.
13. a kind of user equipment for supporting low latency, wherein, including following module：
First module：For handling the first wireless signal in object time window；
Second module：For operating second wireless singal in the second time window.
Wherein, it is described processing be receive and it is described operation be send, the object time window is very first time window；It is or described
Processing be send and it is described operation be receive, the object time window is the 3rd time window.Shared by first wireless signal
Time-domain resource belongs to the 3rd time window, when the cut-off time of the 3rd time window is later than the starting of second time window
Carve.The second wireless singal be used for determining first wireless signal is properly decoded, and first wireless signal not by
At least one of correct decoding, the cut-off time of the 3rd time window }.
14. user equipment according to claim 13, it is characterised in that first module is additionally operable to { in the 4th time
At least one of the 5th wireless signal is handled in window, the 6th wireless signal is handled in the 5th time window.
Wherein, the second wireless singal indicates that first wireless signal is properly decoded.The starting of 4th time window
Moment is less than the very first time length apart from the time interval of the initial time of the very first time window.5th wireless communication
The frequency domain resource shared by frequency domain resource and first wireless signal shared by number has overlapping.5th time window rises
The moment begin after the cut-off time of second time window, the 6th wireless signal is used for determining { the 3rd time
At least one of the cut-off time of window, the initial time of the 4th time window }.
15. a kind of base station equipment for supporting low latency, wherein, including following module：
3rd module：For operating the first wireless signal in object time window；
4th module：For handling second wireless singal in the second time window.
Wherein, it is described operation be send and it is described processing be receive, the object time window is the 3rd time window；It is or described
Operation be receive and it is described processing be send, the object time window is very first time window.Shared by first wireless signal
Time-domain resource belongs to the 3rd time window, when the cut-off time of the 3rd time window is later than the starting of second time window
Carve.The second wireless singal be used for determining first wireless signal is properly decoded, and first wireless signal not by
At least one of correct decoding, the cut-off time of the 3rd time window }.
16. base station equipment according to claim 15, it is characterised in that the 3rd module is additionally operable to { in the 4th time
At least one of the 5th wireless signal is operated in window, the 6th wireless signal is operated in the 5th time window.
Wherein, the second wireless singal indicates that first wireless signal is properly decoded.The starting of 4th time window
Moment is less than the very first time length apart from the time interval of the initial time of the very first time window.5th wireless communication
The frequency domain resource shared by frequency domain resource and first wireless signal shared by number has overlapping.5th time window rises
The moment begin after the cut-off time of second time window, the 6th wireless signal is used for determining { the 3rd time
At least one of the cut-off time of window, the initial time of the 4th time window }.
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| WO2020025045A1 (en) * | 2018-08-02 | 2020-02-06 | 中兴通讯股份有限公司 | Information transmission method, apparatus and device, and computer-readable storage medium |
| WO2020063265A1 (en) * | 2018-09-29 | 2020-04-02 | 上海朗帛通信技术有限公司 | Method and apparatus used in communication node of wireless communication |
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| CN110971372A (en) * | 2018-09-29 | 2020-04-07 | 上海朗帛通信技术有限公司 | Method and arrangement in a communication node used for wireless communication |
| CN110971372B (en) * | 2018-09-29 | 2020-11-06 | 上海朗帛通信技术有限公司 | Method and arrangement in a communication node used for wireless communication |
| US11870719B2 (en) | 2018-09-29 | 2024-01-09 | Shanghai Langbo Communication Technology Company Limited | Method and device used in communication node for wireless communication |
Also Published As
| Publication number | Publication date |
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| CN111447685A (en) | 2020-07-24 |
| CN111447685B (en) | 2023-04-07 |
| CN107896390B (en) | 2020-05-26 |
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