CN107343316A - A kind of method and apparatus in UE and base station in radio communication - Google Patents
A kind of method and apparatus in UE and base station in radio communication Download PDFInfo
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- CN107343316A CN107343316A CN201610277982.8A CN201610277982A CN107343316A CN 107343316 A CN107343316 A CN 107343316A CN 201610277982 A CN201610277982 A CN 201610277982A CN 107343316 A CN107343316 A CN 107343316A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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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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Abstract
The invention discloses the method and apparatus in the UE and base station in a kind of radio communication.As one embodiment, base station performs blind Detecting in L1 running time-frequency resource, receives K1 wireless signal.Wherein, the K1 wireless signal is sent by K1 terminal respectively, and the L1 is positive integer, and the K1 is nonnegative integer.The wireless signal carries { uplink information, schedule flag }, and the schedule flag is used for determining whether corresponding terminal asks to continue to dispatch.One aspect of the present invention reduces the possibility of up conflict, on the other hand avoids the wasting of resources caused by vacant.
Description
Technical field
The present invention relates to the transmission plan of the wireless signal in wireless communication system, more particularly to base
In the method and apparatus of the uplink of cellular network communication.
Background technology
Traditional wireless communication system based on digital modulation mode, such as 3GPP (3rd
Generation Partner Project, third generation cooperative partner program) in cellular system, on
The transmission of row wireless signal is the scheduling based on base station.And for Next-Generation Wireless Communication Systems,
IoT (Internet of Things, Internet of Things) communications may turn into an important application
Scene.
The feature of IoT communications includes：The quantity of terminal device is very huge, and terminal device is supported
Stand-by time compared with long (power consumption is low), the cost of terminal device is relatively low etc..Traditional base
IoT is no longer desirable in the up transmission of scheduling, reason includes：
Signaling required for-descending schedulings can seriously reduce efficiency of transmission.It is especially considering that typical case
An IoT up transmission included by information bit quantity it is generally fewer.
- increases the power consumption of terminal device, reduces stand-by time.In existing system, terminal is set
For first for example, by the signalings such as SR (Schedul ing Request, dispatch request), Ran Houcai
Uplink can be sent.
- increases uplink delay.In some special screnes, IoT communications need relatively low biography
Defeated delay, and the existing uplink based on scheduling can not meet this demand.
In view of the above-mentioned problems, CB (Contention Based, based on content) uplink quilt
It is proposed, i.e. UE does not need the i.e. transmittable uplink information of the scheduling of base station.If do not occur (two
Between individual or multiple UE) conflict, then base station being capable of correct decoding uplink information.
The content of the invention
Inventor has found that base station needs to reserve corresponding time-frequency money for CB uplink by studying
Source.However, the size of the running time-frequency resource needed for the uplink information of real transmission is not known due to base station,
Therefore the running time-frequency resource of proper size can not be reserved.
Further, when two or more UE (User Equipment, user equipment) are sent
Upward signal when clash, base station can not correct decoding, reduce efficiency of transmission.Especially
When UE quantity is very big, the probability of conflict dramatically increases for it.
In view of the above-mentioned problems, the invention provides solution.It should be noted that do not conflicting
In the case of, the feature in embodiments herein and embodiment can be arbitrarily mutually combined.For example,
The feature in embodiment and embodiment in the UE of the application may apply in base station, and vice versa.
The invention discloses a kind of method in base station for radio communication, wherein, comprise the following steps：
- step A. performs blind Detecting in L1 running time-frequency resource, receives K1 wireless signal.
Wherein, the K1 wireless signal is sent by K1 terminal respectively, and the L1 is positive integer,
The K1 is nonnegative integer.The wireless signal carries { uplink information, schedule flag }, described
Schedule flag is used for determining whether corresponding terminal asks to continue to dispatch.
In the above method, it is up that the schedule flag can aid in the base station to be predicted as CB next time
Transmit the size for the running time-frequency resource reserved.
The difference of SR in the above method and existing method is：UE directly transmits uplink information, and
Without waiting for the reply that base station is directed to the schedule flag.The above method reduces transmission delay,
Reduce the empty overhead of dispatch.
As one embodiment, physical layer channel corresponding to the uplink information is PUSCH
(Physical Upl ink Shared Channel, Physical Uplink Shared Channel).
As one embodiment, transmission channel corresponding to the uplink information is UL-SCH (UpLink
Shared Channel, Uplink Shared Channel).
As one embodiment, the uplink information and the schedule flag are in same physical layer channel
Upper transmission.
As one embodiment, MCS (the Modulation and Coding of the wireless signal
Status, modulation coding state) it is to be configured by high-level signaling.
As one embodiment, the schedule flag is made up of 1 information bit, the schedule flag
Indicate whether the corresponding terminal (sender of i.e. described schedule flag) asks to continue to dispatch.
As one embodiment, the schedule flag includes 2 information bits.The schedule flag refers to
Show whether the corresponding terminal asks to continue to dispatch.If the schedule flag instruction is described corresponding
Terminal request continues to dispatch, the schedule flag be also used for that the corresponding terminal asked when
The quantity of frequency resource.
As one embodiment, the K1 is positive integer.
As one embodiment, the running time-frequency resource is in time domain in a subframe.
As one embodiment, duration of the running time-frequency resource in time domain is less than 1 millisecond.
As one embodiment, the K1 is 0, and the base station is in step according to the blind check
Survey and determine there is no terminal to send the wireless signal in the L1 running time-frequency resource.
As one embodiment, the L1 is equal to 1.
As one embodiment, the L1 is more than 1.
As one embodiment, the running time-frequency resource include positive integer RU (Resource Unit,
Resource units).
As one embodiment, the uplink information includes { upstream data, UCI (Uplink Control
At least one of Information, ascending control information) }.As a sub- embodiment, institute
State the corresponding TB (Transport Block, transmission block) of upstream data.
As one embodiment, the L1 is more than 1, in the L1 running time-frequency resource during any two
The quantity of RU included by frequency resource is equal.
As one embodiment, above-mentioned RU takes a subcarrier bandwidth on frequency domain, in time domain
Take the duration of a multicarrier symbol.As a sub- embodiment, the multicarrier symbol
It is OFDM symbol.As a sub- embodiment, the multicarrier symbol is SC-FDMA symbols.
As a sub- embodiment, the multicarrier symbol is FBMC (Fi lter Bank Multi
Carrier, filter bank multi-carrier) symbol.As a sub- embodiment, the sub-carrier bin
Width is one in { 15kHz (KHz), 17.5kHz, 17.06kHz, 7.5kHz, 2.5kHz }
Kind.
As one embodiment, a wireless signal transmits in a running time-frequency resource.
Specifically, according to an aspect of the present invention, the above method is characterised by, the step A
Also comprise the following steps：
- step A0. sends the first signaling.
Wherein, first signaling is physical layer signaling, and first signaling can be by first terminal group
Terminal be used for determine the L1 running time-frequency resource.The first terminal group includes G terminal.
The K1 terminal belongs to the first terminal group.The G is greater than 1 positive integer, institute
State K1 and be not more than the G.
As one embodiment, first signaling indicates the L1 running time-frequency resource.
In above-described embodiment, although base station have sent the first signaling to indicate the L1 running time-frequency resource,
How many terminals in base station and the uncertain first terminal group can be in the L1 running time-frequency resource
Middle carry out uplink.Therefore the K1 wireless signal is still determined by the blind Detecting.
In above-mentioned aspect, base station can be dynamically the first terminal group by first signaling
Interface-free resources are reserved in uplink, are on the one hand reduced the chance of uplink transmission conflict, are on the other hand kept away
Exempt to waste excessive interface-free resources.
As one embodiment, the first terminal group includes all in Target cell covering
Target UE, the Target cell are the transmission cells of first signaling, and the target UE is branch
Hold the UE of the method for the invention.
As one embodiment, the first terminal group includes the part in Target cell covering
Target UE, the Target cell are the transmission cells of first signaling, and the target UE is branch
Hold the UE of the method for the invention.
As one embodiment, the part terminal in the first terminal group is true according to first signaling
The fixed L1 running time-frequency resource, remaining terminal do not detect first signaling.
As one embodiment, first signaling is DCI (Downl ink Control
Information, Downlink Control Information).
As one embodiment, the index of first signaling and the first terminal group is associated, institute
The index for stating the first terminal group is integer.
As one embodiment, when sending the first signaling, the base station and the first terminal is not known
How many terminal sends wireless signal in the L1 running time-frequency resource in group.
As one embodiment, each terminal-pair in the first terminal group answers a feature sequence
Whether row, the characteristic sequence are used for determining corresponding terminal in the L1 running time-frequency resource
Send wireless signal.
As a sub- embodiment, the wireless signal is included corresponding to the sender of the wireless signal
The characteristic sequence.
As a sub- embodiment, a wireless signal transmits in a running time-frequency resource.
It is described transmitted by any two terminal in the first terminal group as a sub- embodiment
Characteristic sequence is orthogonal or pseudo-orthogonal.
As a sub- embodiment, the characteristic sequence is pseudo-random sequence.
As a sub- embodiment, the characteristic sequence be used to estimate up channel parameter.
As a sub- embodiment, the blind Detecting is the relevant detection for individual features sequence
(Coherent Detection)。
Specifically, according to an aspect of the present invention, it is characterised in that the step A is also included such as
Lower step：
- step A10. sends G configuration information.
Wherein, the configuration information includes at least the latter in { the first index, the second index }, described
G configuration information is respectively allocated to G terminal.First terminal group includes the G terminal.
First index in the G configuration information is identical, is appointed in the G configuration information
Second index in two configuration informations of meaning is different.
As one embodiment, the configuration information be used to identify corresponding terminal.
In existing system, terminal is allocated RNTI (Radio Network Temporary
Identifier, the tentative mark of wireless network) as mark.
In above-mentioned aspect, a terminal is configured for two-stage mark, i.e., described first index and described the
Two indexes, wherein first index be used to identify affiliated set of terminal, the second index quilt
For mark of the terminal in affiliated set of terminal.
As one embodiment, first index is nonnegative integer, and second index is less than G
Nonnegative integer.
As one embodiment, first index be used to identify the first terminal group.
As one embodiment, the configuration information is indicated by high-level signaling.
As one embodiment, the configuration information be by RRC (Radio Resource Control,
Wireless heterogeneous networks) instruction of layer signaling.
As one embodiment, first signaling is identified by the described first index.
In above-described embodiment, the terminal in the first terminal group shares same physical layer signaling, drop
The low expense of interface-free resources, improve efficiency of transmission.
Specifically, according to an aspect of the present invention, it is characterised in that also comprise the following steps：
- step B. sends the second signaling.
Wherein, second signaling includes G information bit, the K1 in the G information bit
Individual information bit is respectively used to determine whether is the uplink information in the K1 wireless signal
It is properly decoded.Other information bit in the G information bit indicates non-correct decoding.
In above-mentioned aspect, even if the part terminal in the first terminal group does not carry out uplink, the
Also corresponding information bit has been reserved in two signalings.Above-mentioned aspect is avoided because base station missing inspection is wireless
The problem of descending HARQ-ACK obscures caused by signal.
As one embodiment, position of the K1 information bit in the G information bit
Second index being allocated respectively by the K1 terminal determines.
As one embodiment, the corresponding bit block of the uplink information.
As a sub- embodiment, the bit block includes multiple information bits.
As a sub- embodiment, the bit block is transmission block.
As a sub- embodiment, the bit block is a channel encoder (Channel
Encoder input bit sequence).
Specifically, according to an aspect of the present invention, it is characterised in that also comprise the following steps：
- step C. determines L2, sends the 3rd signaling.The scheduling in the K1 wireless signal
Mark is used for determining the L2, and the 3rd signaling can be used for true by the terminal in first terminal group
The fixed L2 running time-frequency resource.
- step D. performs blind Detecting in L2 running time-frequency resource, receives the K2 wireless signals.
Wherein, the 3rd signaling is physical layer signaling, and the first terminal group includes G terminal.
The K2 wireless signal is sent by K2 terminal respectively, and the L2 is positive integer, the K2
It is nonnegative integer.The K1 terminal belongs to the first terminal group, and the K2 terminal is all
Belong to the first terminal group.The G is greater than 1 positive integer, and the K2 is not more than the G.
In above-mentioned aspect, the base station utilizes the information including the K1 schedule flags to determine
The L2, the K1 schedule flags are carried by the K1 wireless signal respectively.It is above-mentioned
Aspect causes base station to reserve appropriate number of running time-frequency resource-i.e. selection in the step C
The suitable L2.The wasting of resources is avoided, reduces conflict possibility again.
Specifically, according to an aspect of the present invention, it is characterised in that a wireless signal bag
Positive integer modulation symbol is included, a modulation symbol corresponds to one or more information bit.
One modulation symbol is mapped to Q RU by sequence spreading, and the RU is accounted on frequency domain
With a subcarrier bandwidth, the duration of one OFDM symbol of occupancy in time domain.
In above-mentioned aspect, the wireless signal uses similar LDS-CDMA (Low-Density
Signature CDMA) multi-access mode, up conflict can be alleviated to a certain extent.
As one embodiment, a modulation symbol is by one or more information in bit block
Bit modulation and generate.
As one embodiment, the extension sequence corresponding to any two terminal in the first terminal group
Row are orthogonal or pseudo-orthogonal.
As one embodiment, the uplink information is carried by modulation symbol one or more described,
The schedule flag is carried by modulation symbol one or more described.
As one embodiment, the extension sequence corresponding to any two terminal in the first terminal group
Arrange related to second index that corresponding terminal is allocated.
As one embodiment, the sequence spreading is Zadoff-Chu sequence.
As one embodiment, the sequence spreading is pseudo-random sequence.
Specifically, according to an aspect of the present invention, it is characterised in that described in the step A
Blind Detecting is used for determining at least one of { K1, K1 second indexes }, and the K1 is individual
Second index corresponds to the configuration information for being assigned to the K1 terminal respectively.
As one embodiment, the blind Detecting in the step D be used for determining the K2,
At least one of K2 UE mark }, the K2 UE marks and the K2 terminal are one by one
It is corresponding.
As one embodiment, the UE marks are RNTI.As one embodiment, the UE
Mark is index of the counterpart terminal in the first terminal group.
As one embodiment, the L1 is more than 1, and a wireless signal is when one described
Transmitted in frequency resource, when the blind Detecting is also used for determining described shared by the wireless signal
Frequency resource.
The invention discloses a kind of method in UE for radio communication, wherein, comprise the following steps：
- step A. sends a wireless signal.
Wherein, the wireless signal transmits in target running time-frequency resource, and the target running time-frequency resource is
One in L1 running time-frequency resource, the wireless signal carries { uplink information, schedule flag }, institute
State schedule flag and be used for determining whether the UE asks to continue to dispatch.
As one embodiment, it is to be sent up that the schedule flag indicates whether the UE also has
Information.
As one embodiment, if the UE wishes to continue to dispatch, the schedule flag is shape
State 1, otherwise the schedule flag is state 0.
Specifically, according to an aspect of the present invention, it is characterised in that the step A is also included such as
Lower step：
- step A0. receives the first signaling.
Wherein, first signaling is physical layer signaling, and first signaling can be by first terminal group
Terminal be used for determine L1 running time-frequency resource.The first terminal group includes G terminal.Institute
State UE and belong to the first terminal group.
As one embodiment, first signaling indicates the L1 running time-frequency resource.
Specifically, according to an aspect of the present invention, it is characterised in that the step A is also included such as
Lower step：
- step A10. receives configuration information.
Wherein, the configuration information includes at least the latter in { the first index, the second index }.It is described
First signaling is identified by the described first index.
As one embodiment, running time-frequency resource and first index shared by first signaling are
Related.
As one embodiment, CRC (Cyclic Redundancy corresponding to first signaling
Check, CRC) to described first index be related.
As one embodiment, scrambler sequence and described used by CRC corresponding to first signaling
First index is related.
Specifically, according to an aspect of the present invention, it is characterised in that the step A is also included such as
Lower step：
- step A1. selects the target running time-frequency resource from the L1 running time-frequency resource.
As one embodiment, the step A1 is to realize that (i.e. described UE voluntarily selects institute to correlation
State target running time-frequency resource).
As one embodiment, in the step A1, second index is used for determining the mesh
Mark running time-frequency resource.
Specifically, according to an aspect of the present invention, it is characterised in that also comprise the following steps：
- step B. receives the second signaling.
Wherein, second signaling includes G information bit, and 1 in the G information bit
Whether the uplink information that individual information bit is used for determining in the wireless signal is correctly translated
Code.
As one embodiment, second index is used for determining 1 information bit described
Position in G information bit.
Specifically, according to an aspect of the present invention, it is characterised in that a wireless signal bag
Positive integer modulation symbol is included, a modulation symbol corresponds to one or more information bit.
One modulation symbol is mapped to Q RU by sequence spreading, and the RU is accounted on frequency domain
With a subcarrier bandwidth, the duration of one OFDM symbol of occupancy in time domain.
As one embodiment, the sequence spreading is related to the described second index.
Specifically, according to an aspect of the present invention, it is characterised in that described in the step A
The transmission of wireless signal is voluntarily determined by the UE.
As one embodiment, the step A also comprises the following steps：
- step A2. determines to send the wireless signal in target time-domain resource.Wherein, { the UE
Buffer state, the class of business current UE } at least one of be used for determining
The target time-domain resource, the target running time-frequency resource take the target time domain money in time domain
Source.
The invention discloses a kind of base station equipment for radio communication, wherein, including following module：
First processing module：For performing blind Detecting in L1 running time-frequency resource, K1 are received wirelessly
Signal.
Wherein, the K1 wireless signal is sent by K1 terminal respectively, and the L1 is positive integer,
The K1 is nonnegative integer.The wireless signal carries { uplink information, schedule flag }, described
Schedule flag is used for determining whether corresponding terminal asks to continue to dispatch.
As one embodiment, the first processing module is additionally operable to：Send the first signaling.Wherein,
First signaling is physical layer signaling, and first signaling can be used by the terminal in first terminal group
In it is determined that the L1 running time-frequency resource.The first terminal group includes G terminal.The K1
Individual terminal belongs to the first terminal group.The G is greater than 1 positive integer, and the K1 is not
More than the G.
As one embodiment, above-mentioned base station equipment also includes：First sending module：For sending the
Two signalings.Wherein, second signaling includes G information bit, in the G information bit
K1 information bit be respectively used to determine the uplink information in the K1 wireless signal
Whether it is properly decoded.Other information bit in the G information bit indicates non-correct decoding.
As one embodiment, the first processing module is additionally operable to：Send G configuration information.Its
In, the configuration information includes at least the latter in { the first index, the second index }, and the G is individual
Configuration information is respectively allocated to G terminal.First terminal group includes the G terminal.It is described
First index in G configuration information is identical, any two in the G configuration information
Second index in individual configuration information is different.
As one embodiment, the first processing module is additionally operable to：
- determines L2, sends the 3rd signaling.The schedule flag in the K1 wireless signal
The L2 is used for determining, the 3rd signaling can be used to determine institute by the terminal in first terminal group
State L2 running time-frequency resource.
- performs blind Detecting in L2 running time-frequency resource, receives the K2 wireless signals.
Wherein, the 3rd signaling is physical layer signaling, and the first terminal group includes G terminal.
The K2 wireless signal is sent by K2 terminal respectively, and the L2 is positive integer, the K2
It is nonnegative integer.The K1 terminal belongs to the first terminal group, and the K2 terminal is all
Belong to the first terminal group.The G is greater than 1 positive integer, and the K2 is not more than the G.
The invention discloses a kind of user equipment for radio communication, wherein, including following module：
Second processing module：For sending a wireless signal.
Wherein, the wireless signal transmits in target running time-frequency resource, and the target running time-frequency resource is
One in L1 running time-frequency resource, the wireless signal carries { uplink information, schedule flag }, institute
State schedule flag and be used for determining whether the UE asks to continue to dispatch.
As one embodiment, the Second processing module is additionally operable to：Receive the first signaling.Wherein,
First signaling is physical layer signaling, and first signaling can be used by the terminal in first terminal group
In it is determined that L1 running time-frequency resource.The first terminal group includes G terminal.The UE belongs to
The first terminal group.
As one embodiment, the Second processing module is additionally operable to：Receive configuration information.Wherein,
The configuration information includes at least the latter in { the first index, the second index }.First signaling
Identified by the described first index.
As one embodiment, the Second processing module in above-mentioned user equipment be used for it is following at least
One of：
- receives the first signaling.Wherein, first signaling is physical layer signaling, first letter
Order can be used to determine L1 running time-frequency resource by the terminal in first terminal group.The first terminal group
Include G terminal.The UE belongs to the first terminal group.
- selects the target running time-frequency resource from the L1 running time-frequency resource.
As one embodiment, also include in above-mentioned user equipment：First receiving module：For receiving
Second signaling.Wherein, second signaling includes G information bit, the G information bit
In 1 information bit be used for determining the uplink information in the wireless signal whether by just
Really decoding.
Compared to existing public technology, the present invention has following technical advantage：
- is based on schedule flag, and base station can be that appropriate number of running time-frequency resource is reserved in uplink,
On the one hand the possibility of up conflict is reduced, is on the other hand avoided due to vacant (unoccupied)
Caused by the wasting of resources
Physical layer signalings of-the based on set of terminal can be avoided effectively caused by excessive descending scheduling
Spectrum efficiency reduces
The terminal index of-two-stages can reduce complexity, improve efficiency of transmission.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, this
The other features, objects and advantages of invention will become more apparent：
Fig. 1 shows the flow chart of uplink according to an embodiment of the invention；
Fig. 2 shows according to an embodiment of the invention based on the reserved running time-frequency resource of schedule flag
Flow chart；
Fig. 3 shows the schematic diagram of multiple running time-frequency resources according to an embodiment of the invention；
Fig. 4 shows the schematic diagram of a running time-frequency resource according to an embodiment of the invention；
Fig. 5 shows the structural frames of the processing unit in base station according to an embodiment of the invention
Figure；
Fig. 6 shows the structured flowchart of the processing unit in UE according to an embodiment of the invention；
Embodiment
Below in conjunction with accompanying drawing technical scheme is described in further detail, it is necessary to illustrate
It is that, in the case where not conflicting, the feature in embodiments herein and embodiment can be arbitrarily mutual
Combination.
Embodiment 1
Embodiment 1 illustrates the flow chart of uplink, as shown in Figure 1.In accompanying drawing 1, base station
N1 is the maintenance base station of UE U2 serving cell.Square frame F1, square frame F2, square frame F3 and square frame F4
In step be optional respectively.
ForBase station N1, G configuration information is sent in step slo；Is sent in step s 11
One signaling；Blind Detecting is performed in L1 running time-frequency resource in step s 12, receives K1 wirelessly
Signal；The second signaling is sent in step s 13.
ForUE U2, target configuration information is received in step S20, the target configuration information is
One in the G configuration information；The first signaling is received in the step s 21；In step S220
In from L1 running time-frequency resource selection target running time-frequency resource；In the target time-frequency in step S22
Target Wireless signal is sent in resource；The first signaling is received in step S23.
In embodiment 1, the K1 wireless signal is sent by K1 terminal respectively, and UE U2 are
One in the K1 terminal, the Target Wireless signal is in the K1 wireless signal
One, the L1 is positive integer, and the K1 is greater than 1 positive integer.The wireless signal is taken
Band { uplink information, schedule flag }, the schedule flag are used for determining whether corresponding terminal asks
Continue to dispatch.The configuration information includes at least the latter in { the first index, the second index },
The G configuration information is respectively allocated to G terminal.First terminal group includes described G eventually
End.First index in the G configuration information is identical, the G configuration information
Second index in middle any two configuration information is different.First signaling is physics
Layer signaling, when first signaling can be used to determine described L1 by the terminal in first terminal group
Frequency resource.The K1 terminal belongs to the first terminal group.The G is being greater than 1 just
Integer, the K1 are not more than the G.Second signaling includes G information bit, the G
K1 information bit in individual information bit is respectively used to determine in the K1 wireless signal
Whether the uplink information is properly decoded.Other information ratio in the G information bit refers in particular to
Show non-correct decoding.
As the sub- embodiment 1 of embodiment 1, the targeted information bits in the G information bit refer to
Show whether the Target Wireless signal is properly decoded, the targeted information bits are in the G information
The second index that position in bit is allocated by UE U2 determines.
As the sub- embodiment 2 of embodiment 1, the second index that the G terminal is allocated is distinguished
For 0,1 ..., G-1.The G information bit from MSB (Most Significant Bit,
Highest significant position) it is directed to successively to LSB (Least Significant Bit, least significant bit)
Second index is 0,1 ..., G-1 terminal.
As the sub- embodiment 3 of embodiment 1, the second signaling is physical layer signaling.
As the sub- embodiment 4 of embodiment 1, the second signaling is DCI.
As the sub- embodiment 5 of embodiment 1, the index of the L1 running time-frequency resource be followed successively by #0,
#1 ..., # (L1-1) }, the second index that the G terminal is allocated is respectively 0,1 ...,
G-1, wherein UE U2 the second index are X.The index of the target running time-frequency resource is：X mod L1,
That is the remainder obtained by X divided by L1.
As the sub- embodiment 6 of embodiment 1, the K wireless signal includes K feature sequence respectively
Row, any two sequence in the K characteristic sequence is orthogonal or low phase is closed.The G
Individual terminal corresponds to G characteristic sequence respectively.The blind Detecting is for the G characteristic sequence and detects
Go out the K characteristic sequence.
As the sub- embodiment 7 of embodiment 1, first signaling is identified by the described first index.
Embodiment 2
Embodiment 2 illustrates the flow chart that running time-frequency resource is reserved based on schedule flag, as shown in Figure 2.
In accompanying drawing 2, base station N1 is the maintenance base station of UE U3 serving cell.
ForBase station N1, L2 is determined in step S14 and sends the 3rd signaling；In step S15
Blind Detecting is performed in L2 running time-frequency resource, receives the K2 wireless signals.
ForUE U3, the 3rd signaling is received in step S34；A nothing is sent in step s 35
Line signal.
In embodiment 2, the schedule flag in the K1 wireless signal in embodiment 1 is used for
The L2 is determined, the 3rd signaling can be carried out the terminal in the first terminal group in example 1
For determining the L2 running time-frequency resource.3rd signaling is physical layer signaling.The K2
Wireless signal is sent by K2 terminal respectively, and UE U3 are one in the K2 terminal.Institute
It is positive integer to state L2, and the K2 is nonnegative integer.The K1 terminal belongs to embodiment 1
In the first terminal group, the K2 terminal belong to the first terminal group.The G
1 positive integer is greater than, the K2 is not more than the G.
As the sub- embodiment 1 of embodiment 2, if having more than k in the K1 wireless signal
Schedule flag instruction request in wireless signal continues to dispatch, and the L2 is 2, otherwise described
L2 is 1.The k is positive integer.The k is configurable, or predefined.
As the sub- embodiment 2 of embodiment 2, the UE U2 in the UE U3 and embodiment 1
It is two different terminals.
Embodiment 3
Embodiment 3 illustrates the schematic diagram of multiple running time-frequency resources, as shown in Figure 3.In embodiment 3,
Running time-frequency resource { #1, #2 ..., #L } takes identical time resource in time domain.
As the sub- embodiment 1 of embodiment 3, the L is equal to the L1 in the present invention, when described
Frequency resource { #1, #2 ..., #L } is the L1 running time-frequency resource in the present invention.
As the sub- embodiment 2 of embodiment 3, the L is equal to the L2 in the present invention, when described
Frequency resource { #1, #2 ..., #L } is the L2 running time-frequency resource in the present invention.
Embodiment 4
Embodiment 4 illustrates the schematic diagram of a running time-frequency resource, as shown in Figure 4.In accompanying drawing 4,
One fine rule frame lattice identifies a RU, and bold box block plaid identifies a running time-frequency resource.
In embodiment 4, the RU shared by a running time-frequency resource is continuous on frequency domain and in time domain.
As the sub- embodiment 1 of embodiment 4, the RU is RE (Resource Element, resource
Particle).
Embodiment 5
Embodiment 5 illustrates the structured flowchart of the processing unit in base station, as shown in Figure 5.Accompanying drawing
In 5, processing unit 100 is mainly made up of the sending module 102 of first processing module 101 and first,
Wherein the first sending module 102 is optional module.
First processing module 101 is used to perform blind Detecting in L1 running time-frequency resource, receives K1 nothing
Line signal.First sending module 102 is used to send the second signaling.
In embodiment 5, the K1 wireless signal is sent by K1 terminal respectively, and the L1 is
Positive integer, the K1 are nonnegative integers.The wireless signal carries { uplink information, schedule flag },
The schedule flag is used for determining whether corresponding terminal asks to continue to dispatch.Second signaling
Including G information bit, K1 information bit in the G information bit is respectively used to
Determine whether the uplink information in the K1 wireless signal is properly decoded.The G
Other information bit in information bit indicates non-correct decoding.
As the sub- embodiment 1 of embodiment 5, the first processing module 101 is additionally operable to send the first letter
Order.Wherein, first signaling is up to authorize (UL-grant) DCI, first signaling
It can be used to determine the L1 running time-frequency resource by the terminal in first terminal group.The first terminal
Group includes G terminal.The K1 terminal belongs to the first terminal group.The G is
Positive integer more than 1, the K1 are not more than the G.
As the sub- embodiment 2 of embodiment 5, the first processing module 101 is additionally operable to transmission G and matched somebody with somebody
Confidence ceases.Wherein, the configuration information includes { the first index, the second index }, and the G are matched somebody with somebody
Confidence breath is respectively allocated to G terminal.First terminal group includes the G terminal.The G
First index in individual configuration information is identical, any two in the G configuration information
Second index in configuration information is different.First index is nonnegative integer, described
Second index is nonnegative integer.
Embodiment 6
Embodiment 6 illustrates the structured flowchart of the processing unit in UE, as shown in Figure 6.Accompanying drawing 6
In, processing unit 200 is mainly made up of the receiving module 202 of Second processing module 201 and first, its
In the first receiving module 202 be optional module.
Second processing module 201 is used to send a wireless signal.First receiving module 202 is used to connect
Receive the second signaling.
In embodiment 6, the wireless signal transmits in target running time-frequency resource, the target time-frequency money
Source is one in L1 running time-frequency resource, and the wireless signal carries { uplink information, schedule flag },
The schedule flag is used for determining whether the UE asks to continue to dispatch.Second signaling
Including G information bit, 1 information bit in the G information bit is used for determining institute
Whether the uplink information stated in wireless signal is properly decoded.Second signaling is physical layer letter
Order.
As the sub- embodiment 1 of embodiment 6, the second signaling CSS (Common Search Space,
Public search space) in transmit.
As the sub- embodiment 2 of embodiment 6, the schedule flag is an information bit.
One of ordinary skill in the art will appreciate that all or part of step in the above method can lead to
Program is crossed to instruct related hardware to complete, described program can be stored in computer-readable recording medium
In, such as read-only storage, hard disk or CD etc..Optionally, the whole of above-described embodiment or portion
It can also be realized step by step using one or more integrated circuit.Accordingly, above-described embodiment
In each modular unit, can use example, in hardware realize, can also be by the shape of software function module
Formula realizes that the application is not limited to the combination of the software and hardware of any particular form.In the present invention
UE and terminal include but is not limited to mobile phone, tablet personal computer, notebook, vehicular communication equipment, wirelessly
Sensor, card of surfing Internet, internet-of-things terminal, RFID terminals, NB-IOT terminals, MTC (Machine
Type Communication, machine type communication) terminal, eMTC (enhanced MTC, increasing
Strong MTC) terminal, data card, card of surfing Internet, vehicular communication equipment, inexpensive mobile phone, it is low into
The Wireless Telecom Equipments such as this tablet personal computer.Base station in the present invention includes but is not limited to macrocellular base
Stand, microcell base station, Home eNodeB, the Wireless Telecom Equipment such as relay base station.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the guarantor of the present invention
Protect scope.Within the spirit and principles of the invention, any modification made, equivalent substitution,
Improve etc., it should be included in the scope of the protection.
Claims (20)
1. a kind of method in base station for radio communication, wherein, comprise the following steps：
- step A. performs blind Detecting in L1 running time-frequency resource, receives K1 wireless signal.
Wherein, the K1 wireless signal is sent by K1 terminal respectively, and the L1 is positive integer,
The K1 is nonnegative integer.The wireless signal carries { uplink information, schedule flag }, described
Schedule flag is used for determining whether corresponding terminal asks to continue to dispatch.
2. according to the method for claim 1, it is characterised in that the step A is also included such as
Lower step：
- step A0. sends the first signaling.
Wherein, first signaling is physical layer signaling, and first signaling can be by first terminal group
Terminal be used for determine the L1 running time-frequency resource.The first terminal group includes G terminal.
The K1 terminal belongs to the first terminal group.The G is greater than 1 positive integer, institute
State K1 and be not more than the G.
3. according to claim 1, the method described in 2, it is characterised in that the step A also includes
Following steps：
- step A10. sends G configuration information.
Wherein, the configuration information includes at least the latter in { the first index, the second index }, described
G configuration information is respectively allocated to G terminal.First terminal group includes the G terminal.
First index in the G configuration information is identical, is appointed in the G configuration information
Second index in two configuration informations of meaning is different.
4. according to claim 2, the method described in 3, it is characterised in that also comprise the following steps：
- step B. sends the second signaling.
Wherein, second signaling includes G information bit, the K1 in the G information bit
Individual information bit is respectively used to determine whether is the uplink information in the K1 wireless signal
It is properly decoded.Other information bit in the G information bit indicates non-correct decoding.
5. according to the method described in claim 1-4, it is characterised in that also comprise the following steps：
- step C. determines L2, sends the 3rd signaling.The scheduling in the K1 wireless signal
Mark is used for determining the L2, and the 3rd signaling can be used for true by the terminal in first terminal group
The fixed L2 running time-frequency resource.
- step D. performs blind Detecting in L2 running time-frequency resource, receives the K2 wireless signals.
Wherein, the 3rd signaling is physical layer signaling, and the first terminal group includes G terminal.
The K2 wireless signal is sent by K2 terminal respectively, and the L2 is positive integer, the K2
It is nonnegative integer.The K1 terminal belongs to the first terminal group, and the K2 terminal is all
Belong to the first terminal group.The G is greater than 1 positive integer, and the K2 is not more than the G.
6. according to the method described in claim 1-5, it is characterised in that a wireless signal
Including positive integer modulation symbol, a modulation symbol corresponds to one or more information ratio
It is special.One modulation symbol is mapped to Q RU by sequence spreading, and the RU is in frequency domain
One subcarrier bandwidth of upper occupancy, the duration of an OFDM symbol is taken in time domain.
7. according to the method described in claim 1-6, it is characterised in that the institute in the step A
State blind Detecting and be used for determining at least one of { K1, K1 second indexes }, the K1
Individual second index corresponds to the configuration information for being assigned to the K1 terminal respectively.
8. a kind of method in UE for radio communication, wherein, comprise the following steps：
- step A. sends a wireless signal.
Wherein, the wireless signal transmits in target running time-frequency resource, and the target running time-frequency resource is
One in L1 running time-frequency resource, the wireless signal carries { uplink information, schedule flag }, institute
State schedule flag and be used for determining whether the UE asks to continue to dispatch.
9. according to the method for claim 8, it is characterised in that the step A is also included such as
Lower step：
- step A0. receives the first signaling.
Wherein, first signaling is physical layer signaling, and first signaling can be by first terminal group
Terminal be used for determine L1 running time-frequency resource.The first terminal group includes G terminal.Institute
State UE and belong to the first terminal group.
10. according to claim 8, the method described in 9, it is characterised in that the step A is also wrapped
Include following steps：
- step A10. receives configuration information.
Wherein, the configuration information includes at least the latter in { the first index, the second index }.It is described
First signaling is identified by the described first index.
11. according to the method described in claim 8-10, it is characterised in that the step A is also wrapped
Include following steps：
- step A1. selects the target running time-frequency resource from the L1 running time-frequency resource.
12. according to the method described in claim 8-11, it is characterised in that also comprise the following steps：
- step B. receives the second signaling.
Wherein, second signaling includes G information bit, and 1 in the G information bit
Whether the uplink information that individual information bit is used for determining in the wireless signal is correctly translated
Code.
13. according to the method described in claim 8-12, it is characterised in that a wireless communication
Number include positive integer modulation symbol, a modulation symbol corresponds to one or more information ratio
It is special.One modulation symbol is mapped to Q RU by sequence spreading, and the RU is in frequency domain
One subcarrier bandwidth of upper occupancy, the duration of an OFDM symbol is taken in time domain.
14. according to the method described in claim 8-13, it is characterised in that in the step A,
The transmission of the wireless signal is voluntarily determined by the UE.
15. a kind of base station equipment for radio communication, wherein, including following module：
First processing module：For performing blind Detecting in L1 running time-frequency resource, K1 are received wirelessly
Signal.
Wherein, the K1 wireless signal is sent by K1 terminal respectively, and the L1 is positive integer,
The K1 is nonnegative integer.The wireless signal carries { uplink information, schedule flag }, described
Schedule flag is used for determining whether corresponding terminal asks to continue to dispatch.
16. base station equipment according to claim 15, it is characterised in that also include：
First sending module：For sending the second signaling.
Wherein, second signaling includes G information bit, the K1 in the G information bit
Individual information bit is respectively used to determine whether is the uplink information in the K1 wireless signal
It is properly decoded.Other information bit in the G information bit indicates non-correct decoding.
17. according to claim 15, the base station equipment described in 16, it is characterised in that described first
Processing module is additionally operable to：
- determines L2, sends the 3rd signaling.The schedule flag in the K1 wireless signal
The L2 is used for determining, the 3rd signaling can be used to determine institute by the terminal in first terminal group
State L2 running time-frequency resource.
- performs blind Detecting in L2 running time-frequency resource, receives the K2 wireless signals.
Wherein, the 3rd signaling is physical layer signaling, and the first terminal group includes G terminal.
The K2 wireless signal is sent by K2 terminal respectively, and the L2 is positive integer, the K2
It is nonnegative integer.The K1 terminal belongs to the first terminal group, and the K2 terminal is all
Belong to the first terminal group.The G is greater than 1 positive integer, and the K2 is not more than the G.
18. a kind of user equipment for radio communication, wherein, including following module：
Second processing module：For sending a wireless signal.
Wherein, the wireless signal transmits in target running time-frequency resource, and the target running time-frequency resource is
One in L1 running time-frequency resource, the wireless signal carries { uplink information, schedule flag }, institute
State schedule flag and be used for determining whether the UE asks to continue to dispatch.
19. user equipment according to claim 18, it is characterised in that the second processing
Module is used at least one of：
- receives the first signaling.Wherein, first signaling is physical layer signaling, first letter
Order can be used to determine L1 running time-frequency resource by the terminal in first terminal group.The first terminal group
Include G terminal.The UE belongs to the first terminal group.
- selects the target running time-frequency resource from the L1 running time-frequency resource.
20. according to claim 18, the user equipment described in 19, it is characterised in that also include：
First receiving module：For receiving the second signaling.
Wherein, second signaling includes G information bit, and 1 in the G information bit
Whether the uplink information that individual information bit is used for determining in the wireless signal is correctly translated
Code.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610277982.8A CN107343316A (en) | 2016-04-28 | 2016-04-28 | A kind of method and apparatus in UE and base station in radio communication |
| PCT/CN2017/080764 WO2017186014A1 (en) | 2016-04-28 | 2017-04-17 | Method and device for wireless communication-related ue unit and base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610277982.8A CN107343316A (en) | 2016-04-28 | 2016-04-28 | A kind of method and apparatus in UE and base station in radio communication |
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| CN201610277982.8A Pending CN107343316A (en) | 2016-04-28 | 2016-04-28 | A kind of method and apparatus in UE and base station in radio communication |
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| CN (1) | CN107343316A (en) |
| WO (1) | WO2017186014A1 (en) |
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| CN109787663A (en) * | 2017-11-13 | 2019-05-21 | 上海朗帛通信技术有限公司 | A kind of user that be used to wirelessly communicate, the method and apparatus in base station |
| CN109842950A (en) * | 2017-11-28 | 2019-06-04 | 珠海市魅族科技有限公司 | For base station or the resource regulating method and device of terminal |
| CN109891817A (en) * | 2018-02-08 | 2019-06-14 | Oppo广东移动通信有限公司 | Wireless communications method, terminal and the network equipment |
| CN110830190A (en) * | 2018-08-08 | 2020-02-21 | 上海朗帛通信技术有限公司 | Method and device used in user equipment and base station for wireless communication |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115801211A (en) | 2019-09-24 | 2023-03-14 | 上海朗帛通信技术有限公司 | Method and apparatus in a node used for wireless communication |
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| WO2017186014A1 (en) | 2017-11-02 |
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