CN108289020A - A kind of UE that be used to wirelessly communicate, the method and apparatus in base station - Google Patents
A kind of UE that be used to wirelessly communicate, the method and apparatus in base station Download PDFInfo
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- CN108289020A CN108289020A CN201710045424.3A CN201710045424A CN108289020A CN 108289020 A CN108289020 A CN 108289020A CN 201710045424 A CN201710045424 A CN 201710045424A CN 108289020 A CN108289020 A CN 108289020A
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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Abstract
The invention discloses the methods and apparatus in a kind of UE that be used to wirelessly communicate, base station.UE receives target information, and the first signaling is monitored in first time window.First signaling is physical layer signaling.The target information is used for determining that object transmission direction, the object transmission direction are a kind of candidate directions in candidate direction set.The candidate direction set includes a variety of candidate directions, and two kinds of candidate directions in a variety of candidate directions are uplink and downlink respectively.The object transmission direction is used for determining the payload size of first signaling.The present invention reduces the payload size of first signaling, and then reduce control signaling expense, improves system efficiency of transmission and spectrum efficiency by the way that the payload size of first signaling and the object transmission direction are established contact.
Description
Technical field
The present invention relates to the transmission methods and device in wireless communication system, more particularly to configurable transmission direction biography
Transmission method and device.
Background technology
For TDD (the Time Division in LTE (Long Term Evolution, long term evolution) system
Duplex, time division duplex), DCI (Downlink Control Information, Downlink Control Information) cannot accommodate uplink
It transmits, i.e., can only be transmitted in downlink subframe or special subframe in the subframe of data.In LTE system, it to be used for downstream grants
(Grant) DCI and scheduled downlink data is usually transmitted in a subframe, and is used for the DCI of uplink authorization and is adjusted
The upstream data of degree usually transmits in different subframes.
Further, UE is possible for the quantity and DCI of the BD (Blind Decoding, blind Detecting) performed by DCI
Payload size (Payload Size) is related.In order to reduce the quantity of BD, filling bit (Padding Bit) may be added to
To ensure that the DCI of different-format has identical payload size after information bit.For example, downstream grants DCI format 1A and use
Has identical payload size in the DCI format 0 of uplink authorization.
3GPP (3rd Generation Partnership Project, third generation cooperative partner program) RAN (Radio
Access Network, wireless access network) in #87 meeting of 1 (the first working group), in NR (New Radio, new wireless) project
It specifies in one time slot, downstream transmission direction can be dynamically configured.
Invention content
For NR, how to design the payload size of downlink signaling is a problem to be solved.A kind of side directly seen
Formula is just to maintain reuse existing scheme, i.e., control signaling and use for downstream grants are kept by way of adding filling bit
In the control signaling of uplink authorization payload size having the same.
However inventors discovered through research that, in future mobile communication system, down control channel possibly is present at appearance
Receive upstream data subframe or time slot in.Inventors discovered through research that the subframe or time slot pair of upstream data can be accommodated
In the search space for the control channel answered, normally only exists and may be not present for downstream grants for the downlink signaling of uplink authorization
Downlink signaling.
According to above-mentioned analysis, the present invention provides solution regarding to the issue above.It should be noted that not conflicting
In the case of, the feature in embodiments herein and embodiment can be arbitrarily combined with each other.For example, the implementation in the UE of the application
Feature in example and embodiment can be applied in base station, and vice versa.
The invention discloses a kind of methods in UE that be used to wirelessly communicate, wherein includes the following steps：
Step A. receives target information；
Step B. monitors the first signaling in first time window.
Wherein, first signaling is physical layer signaling.The target information is used for determining object transmission direction, described
Object transmission direction is a kind of candidate direction in candidate direction set.The candidate direction set includes a variety of candidate sides
To two kinds of candidate directions in a variety of candidate directions are uplink and downlink respectively.The object transmission direction
It is used for determining the payload size of first signaling.
As one embodiment, if the object transmission direction is uplink, first signaling is to be used for uplink Grant
Except physical layer signaling, the payload size of first signaling be equal to transmitted in first time window for the upper of the UE
The payload size of row Grant DCI, the uplink Grant DCI for the UE transmitted in first time window do not include
Filling bit.If the object transmission direction is downlink, the payload size of first signaling is equal in first time window
The payload size of the downlink Grant DCI for the UE of transmission, it is described transmitted in first time window for the UE
Uplink Grant DCI include filling bit.The present embodiment can effectively reduce the expense of control signaling, avoid adding in the first signaling
Add excessive filling bit and leads to the waste of control signaling resource.
As one embodiment, the target information is dynamic configuration.
As one embodiment, second time window of object transmission pointing needle pair.
As a sub- embodiment of the embodiment, the first time window and second time window belong to a son
Frame.
As a sub- embodiment of the embodiment, when the first time window and second time window belong to one
Gap.
As one embodiment, the payload size of first signaling is all bits in first signaling
Quantity.
As one embodiment, the payload size of first signaling is to remove check bit in first signaling
Bit quantity.
As one embodiment, the payload size of first signaling is removing CRC bits in first signaling
Remaining all bit quantity.
As one embodiment, the payload size of first signaling is the information bit in first signaling
The quantity of quantity and filling bit (Padding Bits) and.
As one embodiment, the candidate direction set includes terminal-to-terminal service.
As one embodiment, the uplink refers to terminal to base station.
As one embodiment, the downlink refers to base station to terminal.
As one embodiment, the target information is indicated by characteristic sequence, and the characteristic sequence is { Zadoff-Chu sequences
One of row, pseudo-random sequence } in.
As one embodiment, the target information is generated by the channel coding that code check is 1/16.
As one embodiment, the corresponding physical layer signaling of the target information is { PCFICH (Physical Control
Format Indicator Channel, Physical Control Format Indicator Channel), ePCFICH (Enhanced PCFICH, enhancing
Physical Control Format Indicator Channel), sPCFICH (Short-Latency PCFICH, the physical control format instruction letter of short delay
One of road) } in.
As one embodiment, the target information is physical layer signaling, the CRC (Cyclic of the physical layer signaling
Redundancy Check, cyclic redundancy check) by given RNTI (Radio Network Tempory Identity,
Radio network temporary identifier) scrambling.
As a sub- embodiment of the embodiment, the given RNTI be SI-RNTI (System RNTI, system without
Line Network Temporary Identifier).
As one embodiment, the target information is physical layer signaling and the target information cell is exclusive.
As one embodiment, the target information is in CSS (Common Search Space, public search space)
Transmission.
As one embodiment, the target information is semi-static (Semi-Static) configuration.
As a sub- embodiment of the embodiment, the target information is that cell is exclusive.
As a sub- embodiment of the embodiment, the target information is TRP (Transmission Reception
Point transmits and receives point) it is exclusive.
As a sub- embodiment of the embodiment, the target information is in SIB (System Inforamtion
Block, system information block) in transmission.
As one embodiment, the target information includes the first sub-goal information and the second sub-goal information.Described
One sub-goal information is semi-statically configured, and the second sub-goal information is dynamic configuration.
As a sub- embodiment of the embodiment, the first time window belongs to first time unit, first son
Target information indicates that the first time unit supports a variety of candidate directions.
As an accompanying Examples of the sub- embodiment, two kinds of candidate sides in a variety of candidate directions
To being uplink and downlink respectively
As a sub- embodiment of the embodiment, second sub-information indicates the corresponding institute of the first time unit
It is uplink to state object transmission direction；Or second sub-information indicates the corresponding object transmission of the first time unit
Direction is downlink.
As an accompanying Examples of the sub- embodiment of above-mentioned two, the first time unit is that { subframe, time slot are micro-
One of time slot (Mini-Slot) } in.
As one embodiment, first signaling is UE exclusive.
As one embodiment, (Cell-RNTI, cell-radio network are interim by C-RNTI by the CRC of first signaling
Mark) scrambling.
As one embodiment, first signaling be cell is exclusive, and TRP is exclusive, and wave beam (Beam) is exclusive,
One of wave beam group (Beam Group) is exclusive, and antenna port group (Antenna Port Group) is exclusive } in.
As one embodiment, the CRC of first signaling passes through TPC-PUCCH-RNTI (Transmission Power
Control Physical Uplink Control Channel-RNTI, transmitting power control-Physical Uplink Control Channel-nothing
Line Network Temporary Identifier) scrambling；Or the CRC of first signaling passes through TPC-PUSCH-RNTI (TPC Physical
Uplink Shared Channel-RNTI, transmitting power control-Physical Uplink Shared Channel-radio network temporary identifier) plus
It disturbs.
Specifically, according to an aspect of the present invention, the above method is characterized in that, if the object transmission direction is
The payload size of uplink, first signaling is the first integer；If the object transmission direction is downlink, described
The payload size of first signaling is the second integer.First integer is less than second integer.
As one embodiment, the speciality of the above method is：When the object transmission direction is uplink, described first believes
The DCI format of corresponding uplink or uplink power control, the payload size of first signaling is enabled to be passed according to the uplink
The larger design of payload size, avoids according to payload size in defeated corresponding format and the corresponding format of the uplink power control
The DCI format of the downlink transfer of bigger designs, and reduces control signaling expense.
As one embodiment, another speciality of the above method is：It is described when the object transmission direction is downlink
First signaling corresponds to the DCI format of uplink or downlink transfer, and the payload size of first signaling is according to the downlink
Corresponding format design is transmitted, it is same to realize that existing system DCI Format 0/1A use payload size of the same race to reduce blind examination
The advantages of surveying number.
Do not include packing ratio if the object transmission direction is uplink, in first signaling as one embodiment
It is special；If the object transmission direction is downlink, first signaling includes filling bit.
As one embodiment, the object transmission direction is uplink, and first signaling supports the first format and second
Format.
As a sub- embodiment of the embodiment, first signaling, which is used for uplink authorization and first format, is
One of in DCI Format { 0,6-0A, 6-0B, N0 }.
As a sub- embodiment of the embodiment, second format be in DCI Format { 3,3A } one of.
As a sub- embodiment of the embodiment, the corresponding information bit of first format is equal to M1, and described the
The corresponding information bit of two formats is equal to M2.The M1 and M2 is positive integer, and the M1 is more than the M2.The M1
Equal to first integer.First signaling passes through the M2 information ratio in the corresponding information of transmission second format
Spy reaches the corresponding payload size of first integer by addition filling bit.
As an accompanying Examples of the sub- embodiment, the quantity of the filling bit is equal to first integer and institute
State the difference of M2.
As one embodiment, the object transmission direction is uplink, and first signaling only supports the first format.
As a sub- embodiment of the embodiment, first format is in DCI Format { 0,6-0A, 6-0B, N0 }
One of.
As a sub- embodiment of the embodiment, the corresponding information bit of first format is equal to M1, the M1
Equal to first integer.Filling bit is not included in the corresponding payload size of first format.
As one embodiment, the object transmission direction is uplink, and first signaling only supports the second format.
As a sub- embodiment of the embodiment, second format be in DCI Format { 3,3A } one of.
As a sub- embodiment of the embodiment, the corresponding information bit of second format is equal to M2, the M2
Equal to first integer.Filling bit is not included in the corresponding payload size of second format.
As one embodiment, the object transmission direction is downlink, and first signaling supports the first format and third
Format.
As a sub- embodiment of the embodiment, first signaling is uplink authorization and first format is DCI
One of in Format { 0,6-0A, 6-0B, N0 }.
As the corresponding accompanying Examples of the sub- embodiment, the data-signal of first signaling scheduling is believed with described first
It enables in different subframes or the data-signal of first signaling scheduling is located at different time slots from first signaling
In.
As a sub- embodiment of the embodiment, first signaling is downstream grants and the third format is DCI
One of in Format { 1A, 6-1A, 6-1B, N1 }.
As a sub- embodiment of the embodiment, the corresponding information bit of first format is equal to M1, and described the
The corresponding information bit of three formats is equal to M3.The M1 and M3 is positive integer, and the M1 is less than the M3.The M3
Equal to second integer.First signaling passes through the M1 information ratio in the corresponding information of transmission first format
Spy reaches the corresponding payload size of second integer by addition filling bit.
As an accompanying Examples of the sub- embodiment, the quantity of the filling bit is equal to second integer and institute
State the difference of M1.
Specifically, according to an aspect of the present invention, the above method is characterized in that, further include following steps：
Step C. sends the first wireless signal in third time window.
Wherein, first signaling is used for determining that the first scheduling information, first scheduling information are applied to described
First wireless signal.First scheduling information includes { position of occupied time-domain resource, the position of occupied frequency domain resource
It sets, corresponding transmission antenna port, corresponding reception antenna port, MCS (Modulation and Coding
Status, modulation coding state), NDI (New Data Indicator, new data instruction), RV (Redundancy
Version, redundancy versions), HARQ (Hybrid Automatic Repeat reQuest, hybrid automatic repeat-request) process
At least one of number.The target information is dynamic configuration, second time window of object transmission pointing needle pair, described
Second time window and the third time window are orthogonal in the time domain.
As one embodiment, the speciality of the above method is：First signaling is used for uplink data scheduling, and institute
The transmission for stating uplink data scheduling is located at from first signaling in different subframes or different time slots.
As one embodiment, first signaling is uplink authorization.
As one embodiment, first signaling corresponds to the first format, and first format is DCI Format { 0,6-
One of 0A, 6-0B, N0 } in.
As one embodiment, the third time window and the first time window are located at different subframes or described
Three time windows and the first time window are located at different time-gap.
As one embodiment, the third time window and second time window are located at different subframes or described
Three time windows and second time window are located at different time-gap.
As one embodiment, second time window and the first time window are located at same subframe or described
Two time windows and the first time window are located at same time slot.
Specifically, according to an aspect of the present invention, the above method is characterized in that, first signaling is { to be used for
Row authorize, authorized for downlink } except physical layer signaling.
As one embodiment, the above method is characterized in that：First signaling is used for uplink power control.
As one embodiment, first signaling is only used for power control.
As one embodiment, first signaling is only used for other physical layer signalings.
As one embodiment, first signaling is that cell is public.
As one embodiment, first signaling is that set of terminal is specific, and the set of terminal includes multiple terminals, institute
It is a terminal in the multiple terminal to state UE.
As one embodiment, first signaling corresponds to third format, the third format be DCI Format 3,
One of 3A } in.
As one embodiment, the CRC of first signaling is scrambled by TPC-PUCCH-RNTI；Or first letter
The CRC of order is scrambled by TPC-PUSCH-RNTI.
Specifically, according to an aspect of the present invention, the above method is characterized in that, the step B further includes walking as follows
Suddenly：
Step B0. executes channel decoding.
Wherein, the corresponding channel coding of the channel decoding is to be based on polarization code (Polar Code).First signaling
Including the first bit set and the second bit set, first bit set and second bit set are all the channels
The input of coding.The channel capacity of any one bit mapped subchannel in first bit set is more than described the
The channel capacity of any one bit mapped subchannel in two bit sets.Bit quilt in first bit set
For generating the bit in second bit set.
As one embodiment, the above method is advantageous in that：By distinguishing information bit and check bit in coding
The weight of the subchannel of mapping.The big subchannel mappings information bit of channel capacity, the small subchannel mappings verification of channel capacity
Bit, and then increase the robustness and transmission performance of control signaling.
As one embodiment, the CRC of first bit set be used to generate second bit set.
As one embodiment, the PC (Parity Check, even-odd check) of first bit set be used to generate
Second bit set.
As one embodiment, the first bit set corresponding informance bit.
As one embodiment, second bit set corresponds to check bit.
The invention discloses a kind of methods in base station that be used to wirelessly communicate, wherein includes the following steps：
Step A. sends target information；
Step B. sends the first signaling in first time window.
Wherein, first signaling is physical layer signaling.The target information is used for determining object transmission direction, described
Object transmission direction is a kind of candidate direction in candidate direction set.The candidate direction set includes a variety of candidate sides
To two kinds of candidate directions in a variety of candidate directions are uplink and downlink respectively.The object transmission direction
It is used for determining the payload size of first signaling.
Specifically, according to an aspect of the present invention, the above method is characterized in that, if the object transmission direction is
The payload size of uplink, first signaling is the first integer；If the object transmission direction is downlink, described
The payload size of first signaling is the second integer.First integer is less than second integer.
Specifically, according to an aspect of the present invention, the above method is characterized in that, further include following steps：
Step C. receives the first wireless signal in third time window.
Wherein, first signaling is used for determining that the first scheduling information, first scheduling information are applied to described
First wireless signal.First scheduling information includes { position of occupied time-domain resource, the position of occupied frequency domain resource
Set, corresponding transmission antenna port, corresponding reception antenna port, MCS, RV, NDI, HARQ process numbers } at least it
One.The target information is dynamic configuration, second time window of object transmission pointing needle pair, second time window and institute
It is orthogonal to state third time window in the time domain.
Specifically, according to an aspect of the present invention, the above method is characterized in that, first signaling is { to be used for
Row authorize, authorized for downlink } except physical layer signaling.
Specifically, according to an aspect of the present invention, the above method is characterized in that, the step B further includes walking as follows
Suddenly：
Step B0. channel of operation encodes.
Wherein, the channel coding is to be based on polarization code (Polar Code).First signaling includes the first sets of bits
Conjunction and the second bit set, first bit set and second bit set are all the inputs of the channel coding.Institute
The channel capacity for stating any one bit mapped subchannel in the first bit set is more than in second bit set
Any one bit mapped subchannel channel capacity.Bit in first bit set is used for described in generation
Bit in second bit set.
The invention discloses a kind of user equipmenies that be used to wirelessly communicate, wherein including following module：
- the first receiving module：For receiving target information；
- the second receiving module：For monitoring the first signaling in first time window.
Wherein, first signaling is physical layer signaling.The target information is used for determining object transmission direction, described
Object transmission direction is a kind of candidate direction in candidate direction set.The candidate direction set includes a variety of candidate sides
To two kinds of candidate directions in a variety of candidate directions are uplink and downlink respectively.The object transmission direction
It is used for determining the payload size of first signaling.
As one embodiment, above-mentioned user equipment further includes：
- the first sending module：For sending the first wireless signal in third time window.
Wherein, first signaling is used for determining that the first scheduling information, first scheduling information are applied to described
First wireless signal.First scheduling information includes { position of occupied time-domain resource, the position of occupied frequency domain resource
Set, corresponding transmission antenna port, corresponding reception antenna port, MCS, RV, NDI, HARQ process numbers } at least it
One.The target information is dynamic configuration, second time window of object transmission pointing needle pair, second time window and institute
It is orthogonal to state third time window in the time domain.
As one embodiment, second receiving module is additionally operable to execute channel decoding.The channel decoding is corresponding
Channel coding is to be based on polarization code (Polar Code).First signaling includes the first bit set and the second bit set,
First bit set and second bit set are all the inputs of the channel coding.In first bit set
Any one bit that the channel capacity of any one bit mapped subchannel is more than in second bit set is reflected
The channel capacity for the subchannel penetrated.Bit in first bit set be used to generate the ratio in second bit set
It is special.
As one embodiment, the target information is dynamic configuration.
As one embodiment, the payload size of first signaling is all bits in first signaling
Quantity.
As one embodiment, the payload size of first signaling is to remove check bit in first signaling
Bit quantity.
As one embodiment, the payload size of first signaling is the ratio of information bit in first signaling
Special quantity.
As one embodiment, the payload size of first signaling is the information bit in first signaling
The quantity of quantity and filling bit (Padding Bit) and.
Specifically, according to an aspect of the present invention, above equipment is characterized in that, if the object transmission direction is
The payload size of uplink, first signaling is the first integer；If the object transmission direction is downlink, described
The payload size of first signaling is the second integer.First integer is less than second integer.
Specifically, according to an aspect of the present invention, above equipment is characterized in that, first signaling is { to be used for
Row authorize, authorized for downlink } except physical layer signaling.
The invention discloses a kind of base station equipments that be used to wirelessly communicate, wherein including following module：
- the second sending module：For sending target information；
Third sending module：For sending the first signaling in first time window.
Wherein, first signaling is physical layer signaling.The target information is used for determining object transmission direction, described
Object transmission direction is a kind of candidate direction in candidate direction set.The candidate direction set includes a variety of candidate sides
To two kinds of candidate directions in a variety of candidate directions are uplink and downlink respectively.The object transmission direction
It is used for determining the payload size of first signaling.
As one embodiment, above-mentioned base station equipment further includes：
Third receiving module：For receiving the first wireless signal in third time window.
First signaling is used for determining that the first scheduling information, first scheduling information are applied to first nothing
Line signal.First scheduling information includes { position of occupied time-domain resource, the position of occupied frequency domain resource, institute
At least one of corresponding transmission antenna port, corresponding reception antenna port, MCS, RV, NDI, HARQ process numbers }.Institute
It is dynamic configuration to state target information, second time window of object transmission pointing needle pair, second time window and described
Three time windows are orthogonal in the time domain.
As one embodiment, the third sending module is additionally operable to channel of operation coding.The channel coding is to be based on
Polarization code.First signaling includes the first bit set and the second bit set, first bit set and described second
Bit set is all the input of the channel coding.Any one bit mapped subchannel in first bit set
Channel capacity be more than second bit set in any one bit mapped subchannel channel capacity.Described
Bit in one bit set be used to generate the bit in second bit set.
As one embodiment, the target information is dynamic configuration.
As one embodiment, the payload size of first signaling is all bits in first signaling
Quantity.
As one embodiment, the payload size of first signaling is to remove check bit in first signaling
Bit quantity.
As one embodiment, the payload size of first signaling is the ratio of information bit in first signaling
Special quantity.
As one embodiment, the payload size of first signaling is the information bit in first signaling
The quantity of quantity and filling bit (Padding Bit) and.
Specifically, according to an aspect of the present invention, above equipment is characterized in that, if the object transmission direction is
The payload size of uplink, first signaling is the first integer；If the object transmission direction is downlink, described
The payload size of first signaling is the second integer.First integer is less than second integer.
Specifically, according to an aspect of the present invention, above equipment is characterized in that, first signaling is { to be used for
Row authorize, authorized for downlink } except physical layer signaling.
Compared to existing public technology, the present invention effectively reduces the expense of control signaling, avoids inserting in the first signaling excessive
Filling bit and lead to the waste of resource.
Description of the drawings
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 target information transmission according to an embodiment of the invention；
Fig. 2 shows first time window according to an embodiment of the invention, the second time window and third time window
The schematic diagram of time-domain position；
Fig. 3 shows first time window according to still another embodiment of the invention, the second time window and third time window
Time-domain position schematic diagram；
Fig. 4 shows the schematic diagram of the information bit for being included of the first signaling according to an embodiment of the invention；
Fig. 5 shows the signal of the information bit for being included of the first signaling according to another embodiment of the invention
Figure；
Fig. 6 shows the structure diagram of the processing unit in UE according to an embodiment of the invention；
Fig. 7 shows the structure diagram of the processing unit in base station according to an embodiment of the invention.
Specific implementation mode
Technical scheme 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 of prominent, the feature in embodiments herein and embodiment can be arbitrarily combined with each other.
Embodiment 1
Embodiment 1 illustrates the flow chart of target information transmission according to the present invention, as shown in Fig. 1.Attached drawing 1
In, base station N1 is the maintenance base station of the serving cell of UE U2.The step of box F0, box F1 and box F2 are identified is respectively can
Choosing.
ForBase station N1, target information is sent in step slo, and channel of operation encodes in step s 11, in step S12
In the first signaling is sent in first time window, the first wireless signal is received in third time window in step s 13.
ForUE U2, target information is received in step S20, in the step s 21 the first letter of monitoring in first time window
It enables, executes channel decoding in step S22, send the first wireless signal in third time window in step S23.
In embodiment 1, first signaling is physical layer signaling.The target information is used for determining object transmission side
To the object transmission direction is a kind of candidate direction in candidate direction set.The candidate direction set includes a variety of institutes
Candidate direction is stated, two kinds of candidate directions in a variety of candidate directions are uplink and downlink respectively.The target
Transmission direction is used for determining the payload size of first signaling.First signaling is used for determining the first scheduling information,
First scheduling information is applied to first wireless signal.First scheduling information includes { occupied time domain money
The position in source, the position of occupied frequency domain resource, corresponding transmission antenna port, corresponding reception antenna port,
At least one of MCS, RV, NDI, HARQ process number }.The target information is dynamic configuration, the object transmission direction
For the second time window, second time window and the third time window are orthogonal in the time domain.The channel decoding pair
The channel coding answered is to be based on polarization code (Polar Code).First signaling includes the first bit set and the second sets of bits
Conjunction, first bit set and second bit set are all the inputs of the channel coding.First bit set
In any one bit mapped subchannel channel capacity be more than second bit set in any one bit
The channel capacity of mapped subchannel.Bit in first bit set be used to generate in second bit set
Bit.The uplink refers to terminal to base station.The downlink refers to base station to terminal.
As a sub- embodiment, if the object transmission direction is uplink, the load ruler of first signaling
Very little is the first integer；If the object transmission direction is downlink, the payload size of first signaling is the second integer.
First integer is less than second integer.
As a sub- embodiment, if the object transmission direction is uplink, first signaling does not include packing ratio
It is special；If the object transmission direction is downlink, first signaling includes filling bit.
As a sub- embodiment, first signaling is the physics except { being authorized for uplink, authorized for downlink }
Layer signaling.
As a sub- embodiment, the corresponding transmission channel of first wireless signal is UL-SCH.
As a sub- embodiment, the corresponding physical layer channel of first wireless signal is PUSCH Physical
Uplink Shared Channel, Physical Uplink Shared Channel) or sPUSCH (Short Latency PUSCH, short delay
Physical Uplink Shared Channel).
As one embodiment, the target information is dynamic configuration.
As one embodiment, the target information is semi-statically configured.
As one embodiment, second time window of object transmission pointing needle pair, the first time window and described
Two time windows belong to a subframe or a time slot.
As one embodiment, the candidate direction set includes terminal-to-terminal service.
As one embodiment, the target information is generated by characteristic sequence, and the characteristic sequence is { Zadoff-Chu
One of sequence, pseudo-random sequence } in.
As one embodiment, the corresponding physical layer signaling of the target information is { PCFICH (Physical Control
Format Indicator Channel, Physical Control Format Indicator Channel), ePCFICH (Enhanced PCFICH, enhancing
Physical Control Format Indicator Channel), sPCFICH (Short-Latency PCFICH, the physical control format instruction letter of short delay
One of road) } in.
As one embodiment, the target information is physical layer signaling, the CRC (Cyclic of the physical layer signaling
Redundancy Check, cyclic redundancy check) by given RNTI (Radio Network Tempory Identity,
Radio network temporary identifier) scrambling.
For one embodiment, the target information is physical layer signaling and the target information cell is public.
As one embodiment, the target information is in CSS (Common Search Space, public search space)
Transmission.
Embodiment 2
Embodiment 2 illustrates a first time window according to the present invention, the time domain of the second time window and third time window
The schematic diagram of position.In attached drawing 2, target information is transmitted in first time window.The object transmission pointing needle is to described second
Time window.First signaling is transmitted in the first time window.First wireless signal transmits in the third time window.
In embodiment 2, first signaling indicates the first scheduling information；Or target signaling indicates the first scheduling information,
The payload size of first signaling is equal to the payload size of the target signaling.First scheduling information is applied to described
First wireless signal.The first time window is before time domain is located at the third time window.Second time window is in time domain
Between the first time window and the third time window.
As a sub- embodiment, second time window and the first time window belong to a subframe or described
Second time window and the first time window belong to a time slot or second time window and the first time window belongs to
One mini-slot.
As a sub- embodiment, the third time window and second time window belong to different subframes or described
Third time window and second time window belong to different time-gap or the third time window and second time window belongs to
Different mini-slot.
Embodiment 3
Embodiment 3 illustrates a first time window according to the present invention, the time domain of the second time window and third time window
The schematic diagram of position.In attached drawing 3, target information is transmitted in the 4th time window, and the target information indicates in the second time window
The corresponding object transmission direction of data (if present).First signaling is transmitted in the first time window.First wireless communication
It number is transmitted in the third time window.First signaling indicates that the first scheduling information, first scheduling information are applied
In first wireless signal.4th time window is before time domain is located at the first time window, the first time window
Before time domain is located at the third time window.Second time window is located at the first time window and the third in time domain
Between time window.
As a sub- embodiment, the 4th time window and the first time window belong to a subframe or described
4th time window and the first time window belong to a time slot or the 4th time window and the first time window belongs to
One mini-slot.
As a sub- embodiment, the 4th time window and second time window belong to a subframe or described
4th time window and the first time window belong to a time slot or the 4th time window and the first time window belongs to
One mini-slot.
As a sub- embodiment, the third time window and second time window belong to different subframes or described
Third time window and second time window belong to different time-gap or the third time window and second time window belongs to
Different mini-slot.
Embodiment 4
Embodiment 4 illustrates the schematic diagram of the information bit for being included of first signaling according to the present invention.It is such as attached
Shown in Fig. 4, first signaling is transmitted in the time quantum that an object transmission direction is uplink.First signaling is same
When support the first format and the second format.First format only includes M1 information bit, and second format includes M2
Information bit and N1 filling bit.The M2 and it is described N1's and be equal to the M1.The M1, the N1 and the M2 are
Positive integer.
As a sub- embodiment, first format be in DCI Format { 0,6-0A, 6-0B, N0 } one of.
As a sub- embodiment, second format be in DCI Format { 3,3A } one of.
As a sub- embodiment, the filling bit is equal to " 0 ".
Embodiment 5
Embodiment 5 illustrates the schematic diagram of the information bit for being included of first signaling according to the present invention.It is such as attached
Shown in Fig. 5, first signaling is transmitted in the time quantum that an object transmission direction is downlink.First signaling is same
When support the first format and third format.First format includes M1 information bit and N2 filling bit, the third
Format only includes M3 information bit.The M1 and it is described N2's and be equal to the M3.The M1, the N2 and the M3 are
Positive integer.
As a sub- embodiment, first format be in DCI Format { 0,6-0A, 6-0B, N0 } one of.
As a sub- embodiment, the third format be in DCI Format { 1A, 6-1A, 6-1B, N1 } one of.
As a sub- embodiment, the filling bit is equal to " 0 ".
Embodiment 6
Embodiment 6 illustrates the structure diagram of the processing unit in a UE, as shown in Fig. 6.In attached drawing 6, UE processing
Device 100 is mainly by the first receiving module 101, the second receiving module 102 and the first sending module 103 composition.Wherein described
One sending module 103 is optional.
- the first receiving module 101：For receiving target information；
- the second receiving module 102：For monitoring the first signaling in first time window；
- the first sending module 103：For sending the first wireless signal in third time window.
In embodiment 6, first signaling is physical layer signaling.The target information is used for determining object transmission side
To the object transmission direction is a kind of candidate direction in candidate direction set.The candidate direction set includes a variety of institutes
Candidate direction is stated, two kinds of candidate directions in a variety of candidate directions are uplink and downlink respectively.The target
Transmission direction is used for determining the payload size of first signaling.
As a sub- embodiment, the payload size of first signaling is equal to the payload size of target signaling, the mesh
Mark signaling is used for determining that the first scheduling information, first scheduling information are applied to first wireless signal.Described
One scheduling information includes { position of occupied time-domain resource, the position of occupied frequency domain resource, corresponding transmission antenna
At least one of port, corresponding reception antenna port, MCS, RV, NDI, HARQ process numbers }.The target information is
State configuration, second time window of object transmission pointing needle pair, second time window and the third time window are in time domain
On be orthogonal.
As one embodiment, first signaling is the target signaling.
As one embodiment, first signaling is identified by the first ID, and the target signaling is identified by the 2nd ID.It is given
Signaling is given ID marks：The given ID be used to { determine the occupied RE (Resource of the given signaling
Element, resource particle), scrambler is carried out to the CRC (cyclic redundancy check) of the given signaling, determines the given signaling
DMRS (DeModulation Reference Signal, demodulated reference signal) at least one of.First ID and
2nd ID is integer respectively, and the first ID is not equal to the 2nd ID.
As one embodiment, the first ID is that cell is public, and the 2nd ID is UE specific.
As one embodiment, the first ID and the 2nd ID are RNTI (Radio Network respectively
Temporary Identifier, the tentative mark of wireless network).
As one embodiment, the target information is dynamic configuration or is semi-statically configured.
As a sub- embodiment, second receiving module 102 is additionally operable to execute channel decoding.The channel decoding pair
The channel coding answered is to be based on polarization code (Polar Code).First signaling includes the first bit set and the second sets of bits
Conjunction, first bit set and second bit set are all the inputs of the channel coding.First bit set
In any one bit mapped subchannel channel capacity be more than second bit set in any one bit
The channel capacity of mapped subchannel.Bit in first bit set be used to generate in second bit set
Bit.
As a sub- embodiment, if the object transmission direction is uplink, the load ruler of first signaling
Very little is the first integer；If the object transmission direction is downlink, the payload size of first signaling is the second integer.
First integer is less than second integer.
As a sub- embodiment, first signaling is the physics except { being authorized for uplink, authorized for downlink }
Layer signaling.
Embodiment 7
Embodiment 7 illustrates the structure 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 by 203 groups of the second sending module 201, third sending module 202 and third receiving module
At.Wherein the third receiving module 203 is optional.
- the second sending module 201：For sending target information；
Third sending module 202：For sending the first signaling in first time window；
Third receiving module 203：For receiving the first wireless signal in third time window.
In embodiment 7, first signaling is physical layer signaling.The target information is used for determining object transmission side
To the object transmission direction is a kind of candidate direction in candidate direction set.The candidate direction set includes a variety of institutes
Candidate direction is stated, two kinds of candidate directions in a variety of candidate directions are uplink and downlink respectively.The target
Transmission direction is used for determining the payload size of first signaling.
As one embodiment, the payload size of first signaling is equal to the payload size of target signaling, the target
Signaling is used for determining that the first scheduling information, first scheduling information are applied to first wireless signal.Described first
Scheduling information includes { position of occupied time-domain resource, the position of occupied frequency domain resource, corresponding transmission antenna end
At least one of mouthful, corresponding reception antenna port, MCS, RV, NDI, HARQ process numbers }.The target information is dynamic
Configuration, second time window of object transmission pointing needle pair, second time window and the third time window are in the time domain
It is orthogonal.
As one embodiment, first signaling is that cell is public.
As one embodiment, the target information is dynamic configuration or is semi-statically configured.
As a sub- embodiment, the third sending module 202 is additionally operable to channel of operation coding.The channel coding is
Based on polarization code.First signaling includes the first bit set and the second bit set, first bit set and described
Second bit set is all the input of the channel coding.Any one bit mapped in first bit set
The channel capacity of channel is more than the channel capacity of any one bit mapped subchannel in second bit set.Institute
It states the bit in the first bit set and be used to generate bit in second bit set.
As a sub- embodiment, if the object transmission direction is uplink, the load ruler of first signaling
Very little is the first integer；If the object transmission direction is downlink, the payload size of first signaling is the second integer.
First integer is less than second integer.
As a sub- embodiment, first signaling is the physics except { being authorized for uplink, authorized for downlink }
Layer signaling.
As one embodiment, the target information is indicated by characteristic sequence, and the characteristic sequence is { Zadoff-Chu sequences
One of row, pseudo-random sequence } in.
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 enabled to complete, described program can be stored in computer readable storage medium, such as read-only memory, 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
It answers, each modular unit in above-described embodiment, example, in hardware realization may be used, 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 terminals, NB-
IOT terminals, MTC (Machine Type Communication, machine type communication) terminal, (enhanced MTC increase 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 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 the protection of the present invention
Within the scope of.
Claims (12)
1. a kind of method in UE that be used to wirelessly communicate, wherein include the following steps：
Step A. receives target information；
Step B. monitors the first signaling in first time window.
Wherein, first signaling is physical layer signaling.The target information is used for determining object transmission direction, the target
Transmission direction is a kind of candidate direction in candidate direction set.The candidate direction set includes a variety of candidate directions,
Two kinds of candidate directions in a variety of candidate directions are uplink and downlink respectively.The object transmission direction by with
In the payload size for determining first signaling.
2. described according to the method described in claim 1, it is characterized in that, if the object transmission direction is uplink
The payload size of first signaling is the first integer；If the object transmission direction is downlink, first signaling is born
It is the second integer to carry size.First integer is less than second integer.
3. according to claim 1, the method described in 2, which is characterized in that further include following steps：
Step C. sends the first wireless signal in third time window.
Wherein, first signaling is used for determining that the first scheduling information, first scheduling information are applied to described first
Wireless signal.First scheduling information include the position of occupied time-domain resource, the position of occupied frequency domain resource,
At least one of corresponding transmission antenna port, corresponding reception antenna port, MCS, RV, NDI, HARQ process numbers }.
The target information is dynamic configuration, second time window of object transmission pointing needle pair, second time window and described
Third time window is orthogonal in the time domain.
4. according to claim 1, the method described in 2, which is characterized in that first signaling is { to authorize, be used for down for uplink
Row authorize except physical layer signaling.
5. according to the method described in claim 1-4, which is characterized in that the step B further includes following steps：
Step B0. executes channel decoding.
Wherein, the corresponding channel coding of the channel decoding is to be based on polarization code (Polar Code).First signaling includes
First bit set and the second bit set, first bit set and second bit set are all the channel codings
Input.The channel capacity of any one bit mapped subchannel in first bit set is more than described second and compares
The channel capacity of any one bit mapped subchannel in spy's set.Bit in first bit set is used for
Generate the bit in second bit set.
6. a kind of method in base station that be used to wirelessly communicate, wherein include the following steps：
Step A. sends target information；
Step B. sends the first signaling in first time window.
Wherein, first signaling is physical layer signaling.The target information is used for determining object transmission direction, the target
Transmission direction is a kind of candidate direction in candidate direction set.The candidate direction set includes a variety of candidate directions,
Two kinds of candidate directions in a variety of candidate directions are uplink and downlink respectively.The object transmission direction by with
In the payload size for determining first signaling.
7. described according to the method described in claim 6, it is characterized in that, if the object transmission direction is uplink
The payload size of first signaling is the first integer；If the object transmission direction is downlink, first signaling is born
It is the second integer to carry size.First integer is less than second integer.
8. according to claim 6, the method described in 7, which is characterized in that further include following steps：
Step C. receives the first wireless signal in third time window.
Wherein, first signaling is used for determining that the first scheduling information, first scheduling information are applied to described first
Wireless signal.First scheduling information include the position of occupied time-domain resource, the position of occupied frequency domain resource,
At least one of corresponding transmission antenna port, corresponding reception antenna port, MCS, RV, NDI, HARQ process numbers }.
The target information is dynamic configuration, second time window of object transmission pointing needle pair, second time window and described
Third time window is orthogonal in the time domain.
9. according to claim 6, the method described in 7, which is characterized in that first signaling is { to authorize, be used for down for uplink
Row authorize except physical layer signaling.
10. according to the method described in claim 6-9, which is characterized in that the step B further includes following steps：
Step B0. channel of operation encodes.
Wherein, the channel coding is to be based on polarization code.First signaling includes the first bit set and the second bit set,
First bit set and second bit set are all the inputs of the channel coding.In first bit set
Any one bit that the channel capacity of any one bit mapped subchannel is more than in second bit set is reflected
The channel capacity for the subchannel penetrated.Bit in first bit set be used to generate the ratio in second bit set
It is special.
11. a kind of user equipment that be used to wirelessly communicate, wherein including following module：
- the first receiving module：For receiving target information；
- the second receiving module：For monitoring the first signaling in first time window；
- the first sending module：For sending the first wireless signal in third time window.
Wherein, first signaling is physical layer signaling.The target information is used for determining object transmission direction, the target
Transmission direction is a kind of candidate direction in candidate direction set.The candidate direction set includes a variety of candidate directions,
Two kinds of candidate directions in a variety of candidate directions are uplink and downlink respectively.The object transmission direction by with
In the payload size for determining first signaling.First signaling is used for determining the first scheduling information, first scheduling
Information is applied to first wireless signal.First scheduling information include the position of occupied time-domain resource, it is shared
The position of frequency domain resource, corresponding transmission antenna port, corresponding reception antenna port, MCS, RV, NDI, HARQ
At least one of process number }.The target information is dynamic configuration, second time window of object transmission pointing needle pair,
Second time window and the third time window are orthogonal in the time domain.
12. a kind of base station equipment that be used to wirelessly communicate, wherein including following module：
- the second sending module：For sending target information；
Third sending module：For sending the first signaling in first time window；
Third receiving module：For receiving the first wireless signal in third time window.
Wherein, first signaling is physical layer signaling.The target information is used for determining object transmission direction, the target
Transmission direction is a kind of candidate direction in candidate direction set.The candidate direction set includes a variety of candidate directions,
Two kinds of candidate directions in a variety of candidate directions are uplink and downlink respectively.The object transmission direction by with
In the payload size for determining first signaling.First signaling is used for determining the first scheduling information, first scheduling
Information is applied to first wireless signal.First scheduling information include the position of occupied time-domain resource, it is shared
The position of frequency domain resource, corresponding transmission antenna port, corresponding reception antenna port, MCS, RV, NDI, HARQ
At least one of process number }.The target information is dynamic configuration, second time window of object transmission pointing needle pair,
Second time window and the third time window are orthogonal in the time domain.
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