CN109286980A - A kind of Traffic Channel time-domain position indicating means, base station and user equipment - Google Patents
A kind of Traffic Channel time-domain position indicating means, base station and user equipment Download PDFInfo
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- CN109286980A CN109286980A CN201710591923.2A CN201710591923A CN109286980A CN 109286980 A CN109286980 A CN 109286980A CN 201710591923 A CN201710591923 A CN 201710591923A CN 109286980 A CN109286980 A CN 109286980A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W72/20—Control channels or signalling for resource management
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Abstract
The embodiment of the present invention provides a kind of Traffic Channel time-domain position indicating means, base station and user equipment, this method comprises: determining time domain instruction serial number corresponding with the time-domain resource distributed for user equipment according to the corresponding time-domain resource set of user equipment；Time domain, which is extracted, from time domain instruction serial number indicates information；It indicates that serial number and time domain indicate information according to time domain, determines the channel resource position for meeting the PDCCH of preset carrying position restrictive condition；The DCI for carrying time domain instruction information is carried on PDCCH；And DCI is sent to by user equipment by PDCCH, so that channel resource position and time-domain resource set of the user equipment according to time domain instruction information, PDCCH in DCI, determine time-domain resource locating for Traffic Channel.Using scheme provided in an embodiment of the present invention, the flexible dispatching and instruction of Traffic Channel time-domain resource can be supported, improve the dispatching flexibility of Traffic Channel running time-frequency resource.
Description
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of Traffic Channel time-domain position indicating means, base
It stands and user equipment.
Background technique
Currently, base station generallys use any one in following three kinds of resource allocation types as UE in existing 4G technology
The running time-frequency resource of (User Equipment, user equipment) distribution system: resource allocation type 0, resource allocation type 1, resource
Distribution type 2.Wherein, the minimum unit of 0 scheduling of resource of resource allocation type is 1RBG.1 scheduling of resource of resource allocation type
Minimum unit is 1RB.The minimum unit of 2 scheduling of resource of resource allocation type is 1RB.
From the foregoing, it will be observed that minimum particle size of the existing 4G technology in scheduling of resource is 1RB.Moreover, because existing 4G technology exists
The distribution of running time-frequency resource is carried out when resource allocation just for each subframe, the RB in the same subframe on two time slots is to divide in pairs
Match, 6 or 7 symbols (symbol) can be divided into a time slot；Traffic Channel PDSCH (the Physical in downlink subframe
Downlink Shared Channel, Physical Downlink Shared Channel) in the time domain shared resource (may be simply referred to as time-domain resource,
Unit is symbol or time slot) it is the interior time domain money other than distributing to the time-domain resource of control channel and reference signal of subframe
Source.
Therefore, existing 4G technology is that after UE distributes corresponding running time-frequency resource, can pass through DCI (Downlink in base station
Control Information, Downlink Control Information) in carry frequency domain resource instruction, inform the base station UE be UE distribution RB
Later, UE can indicate to determine the RB that base station is UE distribution by frequency domain resource, then pass through control letter in the affiliated subframe of RB
Road and reference signal shared resource in the time domain, determine time-domain resource locating for Traffic Channel in subframe.
It can thus be seen that for time-domain resource locating for Traffic Channel, existing 4G technology does not introduce frequency domain resource
Instruction other than instruction carries out time domain instruction, does not also need the instruction other than indicating by frequency domain resource and carries out time domain instruction.
However, with the sustainable development of mobile Internet and technology of Internet of things, according to ever-increasing demand, in business tune
In terms of the flexibility of degree, the requirement to communication technology index is more harsh.In terms of traffic scheduling flexibility, it is expected that reducing resource
Granularity is dispatched, the running time-frequency resource progress where Traffic Channel is dispatched more flexiblely.
For example, the time domain money that eMBB (Enhance Mobile Broadband, enhanced mobile Internet) business occupies
Source is relatively more, it may be considered that multiple time slot combined dispatchings；URLLC(Ultra Reliable&Low Latency
Communication, superelevation reliably with the communication of low latency) business occupy time-domain resource it is fewer, it may be considered that scheduling one
One or more symbols in a time slot carry out business transmission.
Since wanting for above-mentioned traffic scheduling flexibility can not be met by the frequency domain resource instruction in existing 4G technology
It asks, it is therefore desirable for introducing time-domain resource instruction on the basis of frequency domain resource instruction, is realized with this to the frequency where Traffic Channel
Domain resource and time-domain resource (being referred to as running time-frequency resource) indicate more flexiblely, to support the spirit of Traffic Channel time-domain resource
Scheduling living.However, not providing related time-domain resource instruction in existing 4G technology to carry out the money of time domain locating for Traffic Channel
The indication scheme in source.
Therefore, how to propose that a kind of Traffic Channel time-domain resource indicating means is clever to improve the scheduling of Traffic Channel running time-frequency resource
Activity problems are current industry important topics urgently to be resolved.
Summary of the invention
In view of drawbacks described above in the prior art or deficiency, be intended to provide a kind of Traffic Channel time-domain resource indicating means,
Base station and user equipment can support the flexible dispatching and instruction of Traffic Channel time-domain resource, improve Traffic Channel running time-frequency resource
Dispatching flexibility.
In a first aspect, the embodiment of the invention provides a kind of Traffic Channel time-domain resource indicating means, comprising:
According to time-domain resource locating for the Traffic Channel distributed for user equipment, the corresponding time-domain resource of the user equipment
Set determines time domain instruction serial number corresponding with the time-domain resource；
Time domain, which is extracted, from time domain instruction serial number indicates information；
When distributing channel resource for physical downlink control channel PDCCH, serial number and the time domain are indicated according to the time domain
It indicates information, determines the PDCCH channel resource position for meeting preset carrying position restrictive condition；
The Downlink Control Information DCI for carrying the time domain instruction information is carried on the PDCCH；And by described
The DCI is sent to the user equipment by PDCCH so that the user equipment according in the DCI time domain instruction information,
PDCCH channel resource position and the time-domain resource set, determine time-domain resource locating for the Traffic Channel.
Second aspect, the embodiment of the invention also provides a kind of Traffic Channel time-domain position indicating means, comprising:
The corresponding Downlink Control Information DCI of user equipment is received by physical downlink control channel PDCCH, determines carrying
The channel resource position of the PDCCH of DCI；
Time domain is extracted from the DCI indicates information；
Indicate that information, PDCCH channel resource position and base station are that the user equipment is preparatory according to the time domain
The time-domain resource set of configuration determines time-domain resource locating for Traffic Channel of the base station for user equipment distribution.
The third aspect, the embodiment of the invention also provides a kind of base stations, comprising:
Processor, for the time-domain resource according to locating for the Traffic Channel distributed for user equipment, the user equipment pair
The time-domain resource set answered determines time domain instruction serial number corresponding with the time-domain resource；From time domain instruction serial number
Extract time domain instruction information be physical downlink control channel PDCCH distribute channel resource when, according to the time domain indicate serial number and
The time domain indicates information, determines the PDCCH channel resource position for meeting preset carrying position restrictive condition；Described in carrying
The Downlink Control Information DCI of time domain instruction information is carried on the PDCCH；
Transceiver, for the DCI to be sent to the user equipment by the PDCCH, so that the user equipment
According to time domain instruction information, PDCCH channel resource position and the time-domain resource set in the DCI, institute is determined
State time-domain resource locating for Traffic Channel.
Fourth aspect, the embodiment of the invention also provides a kind of user equipmenies, comprising:
Transceiver, for receiving the corresponding Downlink Control Information of user equipment by physical downlink control channel PDCCH
DCI；
Time domain instruction letter is extracted in processor, the channel resource position of the PDCCH for determining carrying DCI from the DCI
Breath；Indicate that information, PDCCH channel resource position and base station are that the user equipment is pre-configured with according to the time domain
Time-domain resource set, determine the base station be the user equipment distribution Traffic Channel locating for time-domain resource.
5th aspect, the embodiment of the invention also provides a kind of electronic equipment, including processor, memory and bus,
In:
The processor, the memory complete mutual communication by bus；
The processor can call the computer program in memory, to execute the business of first aspect embodiment offer
Channel time domain resource indicating method.
6th aspect, the embodiment of the invention also provides a kind of non-transient computer readable storage mediums, are stored thereon with
Computer program realizes the Traffic Channel time-domain resource instruction side that first aspect embodiment provides when the program is executed by processor
Method.
7th aspect, the embodiment of the invention also provides a kind of electronic equipment, including processor, memory and bus,
In:
The processor, the memory complete mutual communication by bus；
The processor can call the computer program in memory, to execute the business of second aspect embodiment offer
Channel time domain resource indicating method.
Eighth aspect, the embodiment of the invention also provides a kind of non-transient computer readable storage mediums, are stored thereon with
Computer program realizes the Traffic Channel time-domain resource instruction side that second aspect embodiment provides when the program is executed by processor
Method.
Traffic Channel time-domain position indicating means, base station and user equipment provided in an embodiment of the present invention are to use in base station
Family equipment is distributed after running time-frequency resource locating for Traffic Channel, can determine that time domain corresponding to time-domain resource indicates serial number；And
Time domain instruction information is extracted from time domain instruction serial number；Then, it indicates that serial number and time domain indicate information according to time domain, determines full
The channel resource position of the PDCCH of the preset carrying position restrictive condition of foot；The DCI for carrying time domain instruction information is carried on
PDCCH；And DCI is sent to by user equipment by PDCCH.In this way, user equipment can with the time domain in DCI indicate information,
The channel resource position of PDCCH and base station are the preconfigured time-domain resource set of user equipment, determine that base station is user
Time-domain resource locating for the Traffic Channel of equipment distribution.Compared to existing time-frequency resource indication scheme, the embodiment of the present invention is introduced
Being explicitly indicated for time-domain resource locating for time domain instruction information realization Traffic Channel, supports the flexible tune of Traffic Channel time-domain resource
While spending, the dispatching flexibility of Traffic Channel running time-frequency resource is improved.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 shows the exemplary flow of Traffic Channel time-domain resource indicating means according to an embodiment of the invention
Figure；
Fig. 2 shows the exemplary flows of Traffic Channel time-domain resource indicating means in accordance with another embodiment of the present invention
Figure；
Fig. 3 shows the structural schematic diagram of base station according to an embodiment of the invention；
Fig. 4 shows the structural schematic diagram of user equipment according to an embodiment of the invention；
Fig. 5 shows the entity structure schematic diagram of electronic equipment according to an embodiment of the invention；
Fig. 6 shows the entity structure schematic diagram of electronic equipment in accordance with another embodiment of the present invention.
Specific embodiment
Clear, complete description is carried out to technical solution of the present invention below with reference to attached drawing, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff obtained all other embodiment without making creative work belongs to the present invention and is protected
The range of shield.
The terms such as " module " used in this application, " device " be intended to include with computer-related entity, such as it is but unlimited
In hardware, firmware, combination thereof, software or software in execution.For example, module can be, and it is not limited to: processing
Process, processor, object, executable program, the thread of execution, program and/or the computer run on device.For example, it counts
Calculating the application program run in equipment and this calculating equipment can be module.One or more modules can be located in execution
In one process and/or thread, a module can also be located on a computer and/or be distributed in two or more calculating
Between machine.
As mentioned in the background, the flexible tune of Traffic Channel running time-frequency resource is carried out in face of reducing scheduling of resource granularity
The demand of degree is only unable to satisfy the demand by frequency domain resource in the prior art instruction.
In view of the drawbacks described above of the prior art, present inventor considers, can in advance be each UE of access base station
(User Equipment, user equipment) configures corresponding time-domain resource set, is including base station in time-domain resource set
Time domain corresponding to the Traffic Channel time-domain resource and each time-domain resource of UE predistribution indicates serial number.Business is being distributed for UE
After running time-frequency resource locating for channel, time domain corresponding to the time-domain resource locating for Traffic Channel can be indicated serial number by base station,
It is sent to UE in the form of time domain indicates information, so that UE indicates that information determines that corresponding time domain indicates serial number according to time domain,
And indicate that serial number determines time-domain resource locating for Traffic Channel of the base station for UE distribution from time-domain resource set according to time domain.
About base station be UE distribution Traffic Channel locating for frequency domain resource, base station can by existing frequency domain resource indication scheme to
UE is indicated.In this way, indicating time-domain resource locating for Traffic Channel by time-domain resource instruction, it can be achieved that Traffic Channel
The flexible dispatching of Traffic Channel time-domain resource is supported in the flexible instruction of the time-domain resource at place；Meanwhile being greatly improved business letter
The dispatching flexibility of road running time-frequency resource.
The embodiment of the present invention is applicable in the time domain further of running time-frequency resource locating for Traffic Channel in existing 4G technology
Instruction, be also applied for NR PDCCH in 5G technology (New Radio Physical Downlink Control Channel, newly
Eat dishes without rice or wine Physical Downlink Control Channel) it is directed to the design of Traffic Channel time-frequency resource indication problem.
The technical solution that the invention will now be described in detail with reference to the accompanying drawings.
With reference to Fig. 1, it illustrates the examples of Traffic Channel time-domain resource indicating means according to an embodiment of the invention
Property flow chart.The executing subject of the indicating means of Traffic Channel time-domain resource shown in Fig. 1 is base station.
As shown in Figure 1, the Traffic Channel time-domain resource indicating means of one embodiment of the invention, may include walking as follows
It is rapid:
S110: according to time-domain resource locating for the Traffic Channel distributed for user equipment, the corresponding time domain money of user equipment
Source set determines time domain instruction serial number corresponding with time-domain resource.
In the embodiment of the present invention, base station is that each UE of access configures corresponding time-domain resource set in advance.Time-domain resource
It include: the N part time-domain resource and each time domain money that base station is Traffic Channel predistribution of the UE under different business scene in set
Time domain corresponding to source indicates serial number.
In the embodiment of the present invention, base station can be determined to describe the end after the time-domain resource for being determined as UE predistribution
In the time-domain resource set at end the instruction of time domain corresponding to each time-domain resource serial number at least needed for number of bits B, B be greater than etc.
In 1 integer.Correspondingly, time domain instruction serial number can be indicated by the binary data of B bit.
In practical application, high level can pass through RRC (Radio Resource Control, wireless heterogeneous networks) signal deployment
Time-domain resource set { the P of each UE1,P2,P3... Pi..., PN, N≤2B, N is that base station is UE predistribution in time-domain resource set
Time-domain resource total number, PiIndicate i-th part of time-domain resource, there are corresponding time domains to indicate serial number n, n for every part of time-domain resource
Value 0~N-1, B are to describe the bit that the instruction of time domain corresponding to each time-domain resource serial number n is at least required in time-domain resource set
Digit.
For example, the total number that base station is the time-domain resource of UE predistribution is 8, each time-domain resource in time-domain resource set is described
At least required number of bits of corresponding time domain instruction serial number is 3, and the instruction of time domain corresponding to each time-domain resource serial number n can be used
Following binary data indicates are as follows: 000,001,010,011,100,101,110,111, as shown in table 1.
1 time-domain resource set of table
| Time domain indicates serial number n | Time-domain resource |
| 000 | Corresponding starting position L0 and duration T 0 |
| 001 | Corresponding starting position L1 and duration T 1 |
| 010 | Corresponding starting position L2 and duration T 2 |
| 011 | Corresponding starting position L3 and duration T 3 |
| 100 | Corresponding starting position L4 and duration T 4 |
| 101 | Corresponding starting position L5 and duration T 5 |
| 110 | Corresponding starting position L6 and duration T 6 |
| 111 | Corresponding starting position L7 and duration T 7 |
In the embodiment of the present invention, time-domain resource locating for Traffic Channel can pass through Traffic Channel corresponding beginning in the time domain
Position and duration indicate.Duration is the total number of symbols or total number of timeslots that Traffic Channel occupies in the time domain.
In practical application, the minimum particle size of resource allocation can be carried out according to base station to determine the unit of duration.Than
Such as, when scheduling of resource minimum particle size is time slot, the unit of duration can be time slot or symbol；Scheduling of resource minimum particle size
When for symbol, the unit of duration can be symbol.
When scheduling of resource minimum particle size is time slot, time-domain resource locating for Traffic Channel can be distributed over a slot,
Or distribution is over multiple slots.When scheduling of resource minimum particle size is symbol, time-domain resource locating for Traffic Channel can be distributed
In a time slot；Alternatively, being distributed in multiple time slots.
In the embodiment of the present invention, base station is after each UE of access configures corresponding time-domain resource set, can basis
The practical business scene of UE is that UE distributes corresponding Traffic Channel；It then, can be according to locating for the Traffic Channel for UE points of distribution
Time-domain resource, find out time domain corresponding with time-domain resource locating for Traffic Channel from the corresponding time-domain resource set of UE and refer to
Show serial number n.
In practical application, business scenario includes but is not limited to: and eMBB (Enhance Mobile Broadband, it is enhanced
Mobile broadband) business, (Ultra Reliable&Low Latency Communication, superelevation is reliably and low latency by URLLC
Communication) business, mMTC (massive machine type of communication, magnanimity machine type communication) business.Base
The difference stood according to business scenario is that the duration can be different in time-domain resource locating for the Traffic Channel of UE distribution, for example, being
The Traffic Channel of eMBB traffic assignments can occupy multiple time slots in the time domain；And be URLLC traffic assignments Traffic Channel when
One or more symbols in a time slot can be only taken up on domain.
S120: time domain is extracted from time domain instruction serial number and indicates information.
In the embodiment of the present invention, in order to reduce the expense of time-domain resource instruction, it can extract and account for from time domain instruction serial number
Information is indicated with the time domain of less number of bits.For example, can be indicated in serial number from time domain, the letter before choosing on P bit
Breath indicates information as time domain.Wherein, P is the positive integer less than B, and B is right for each time-domain resource in description time-domain resource set
At least required number of bits of the time domain instruction serial number answered.
For example, the binary representation of time domain instruction serial number n are as follows: 110, B be 3 bits, and P takes 2 bits, then, refer to from time domain
Show the binary representation of the time domain instruction information M chosen in serial number n are as follows: 11.
It is alternatively possible to which the information after selection on P bit indicates information as time domain from time domain instruction serial number.
For example, the binary representation of time domain instruction serial number n are as follows: 101, B be 3 bits, and P takes 2 bits, then, from time domain instruction serial number n
The binary representation of the time domain instruction information M of selection are as follows: 01.
S130: it when distributing channel resource for PDCCH, indicates that serial number and time domain indicate information according to time domain, determines that satisfaction is pre-
If carrying position restrictive condition PDCCH channel resource position.
Since time domain instruction information is extracted from time domain instruction serial number, when time domain instruction information is unable to complete representation
Domain indicate serial number, therefore, in the embodiment of the present invention, implicit indication information is can be set in base station, the implicit indication information be used for
Time domain instruction information is directed toward unique time domain instruction serial number together.Time domain instruction serial number determine in the case where, can according to when
Domain indicates that serial number and time domain indicate information, determines corresponding implicit indication information.
It, can be by time domain in the embodiment of the present invention in order to inform time-domain resource locating for the Traffic Channel of the base station UE distribution
Instruction information is carried in DCI (Downlink Control Information, Downlink Control Information).In practical application, DCI
It is carried on PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel) again.Therefore, subsequent can
DCI is sent to UE by PDCCH, UE extracts time domain instruction information from DCI.
In the embodiment of the present invention, the carrying location information of DCI, i.e. the channel resource position of the PDCCH of carrying DCI can be chosen
It sets as implicit indication information corresponding to time domain instruction serial number.Wherein, the channel resource position for carrying the PDCCH of DCI can be with
According to the agreement between base station and UE, with the last one CCE institute of position or DCI occupancy where first CCE of DCI occupancy
Position characterize.
Situation one
If time domain instruction information is the information in time domain instruction serial number on preceding P bit, according to time domain indicate serial number with
Time domain indicates information, determines the channel resource position K for meeting the PDCCH of carrying position restrictive condition of following formula (1):
N=M × 2B-P+((K)mod(2B-P)) formula (1)
Wherein, n is that time domain indicates serial number, and P is the number of bits that time domain indicates that information M is occupied.
In practical application, indicate that serial number n, time domain indicate information M in time domain, time domain indicates the number of bits P that information occupies
In the fixed situation of number of bits B occupied with time domain instruction serial number, the K for meeting above-mentioned carrying position restrictive condition can have
It is multiple.For example, the binary representation of time domain instruction serial number n are as follows: 1011, B 4, P 2；From time domain instruction serial number extract when
Domain instruction information M's is represented in binary as 10, and according to formula (1), the channel resource position K that can calculate PDCCH should meet
((K)mod(2B-P)) be represented in binary as 11, correspondingly, K can with value be 3,7,11 etc..
In practical application, it is contemplated that indicate that information M is the information in time domain instruction serial number n on preceding P bit in time domain
In the case where, the value of K is mainly used for the information after indicating in time domain instruction serial number n on B-P bit.Therefore, optionally,
In the embodiment of the present invention, in the case where time domain instruction information M is the information in time domain instruction serial number n on preceding P bit, base
PDCCH can be carried out according to the channel resource position K for carrying the PDCCH of position restrictive condition shown in following formula (2) is met by standing
Channel resource allocation:
K=l × 2B-P+((n)mod(2B-P)) formula (2)
Wherein, n is that time domain indicates serial number, and P is the number of bits that time domain indicates that information occupies, and l is whole more than or equal to 0
Number, B are to describe the number of bits that the instruction of time domain corresponding to each time-domain resource serial number is at least required in time-domain resource set.
For example, if the binary representation of time domain instruction serial number n are as follows: 1011, B 4, P 2 is selected according to formula (2)
The channel resource position K of PDCCH should meet: K=l × 4+3.Wherein, the value of l is limited in system resource to distribute to
The resource location range of PDCCH, so that PDCCH channel resource position K can distribute to the resource location of PDCCH in system resource
In range.
Situation two
If time domain instruction information be in time domain instruction serial number after information on P bit, according to time domain indicate serial number with
Time domain indicates information, determines the channel resource position K for meeting the PDCCH of carrying position restrictive condition of following formula (3):
N=((K) mod (2B-P))×2P+ M formula (3)
Wherein, n is that time domain indicates serial number, and P is the number of bits that time domain indicates that information M is occupied.
In practical application, indicate that serial number n, time domain indicate information M in time domain, time domain indicates the number of bits P that information occupies
With time domain instruction serial number occupy number of bits B determine in the case where, meet above-mentioned carrying position restrictive condition K can have it is more
It is a.For example, the binary representation of time domain instruction serial number n are as follows: 1011, B 4, P 2；The time domain extracted from time domain instruction serial number
Indicate that information M's is represented in binary as 11；According to formula (3), the channel resource position K that can calculate PDCCH should meet
((K)mod(2B-P)) be represented in binary as 10, correspondingly, K can with value be 2,6,10 etc..
In practical application, it is contemplated that the information after being in time domain instruction serial number n in time domain instruction information M on P bit
In the case where, the value of K is mainly used for indicating the information in time domain instruction serial number n on preceding B-P bit.Therefore, optionally,
In the embodiment of the present invention, in the case where the information after time domain instruction information M is in time domain instruction serial number n on P bit, base
PDCCH can be carried out according to the channel resource position K for carrying the PDCCH of position restrictive condition shown in following formula (4) is met by standing
Channel resource allocation:
K=l × 2B-P+((n-M)/2P) formula (4)
Wherein, n is that time domain indicates serial number, and P is the number of bits that time domain indicates that information time domain indicates that information occupies, and l is big
In the integer for being equal to 0, B is to describe the ratio that the instruction of time domain corresponding to each time-domain resource serial number is at least required in time-domain resource set
Special digit.
For example, the binary representation of time domain instruction serial number n are as follows: 1011, B 4, P 2；It is calculated according to formula (4)
The channel resource position K of PDCCH should meet and need to meet condition: K=l × 4+2.Wherein, the value of l is limited in system resource
The resource location range of PDCCH can be distributed to, so that the channel resource position K of PDCCH can distribute to PDCCH in system resource
Resource location within the scope of.
S140: the DCI for carrying time domain instruction information is carried on PDCCH；And DCI is sent to by user by PDCCH and is set
It is standby, so that channel resource position and time-domain resource set of the user equipment according to time domain instruction information, PDCCH in DCI, determine
Time-domain resource locating for Traffic Channel out.
In the embodiment of the present invention, base station determines the channel resource position of PDCCH by step 130, and base station can be by step
The rapid 120 time domain instruction information extracted are carried in DCI, and according to the channel resource position of PDCCH, DCI is carried on
PDCCH.Later, DCI is sent to by user equipment by PDCCH.
In this way, UE carries out blind Detecting in PDCCH resource domain, determination belongs to after the DCI of UE, can determine that base station is
Carry the distributed channel resource present position PDCCH of the DCI, i.e. the channel resource position of PDCCH.Meanwhile it can be from DCI
Extract the time domain instruction information of carrying.
Then, UE can indicate that information, the channel resource position of PDCCH and base station are in advance according to the time domain in DCI
The time-domain resource set of UE configuration determines time-domain resource locating for Traffic Channel of the base station for UE distribution.
From the description above as can be seen that in embodiments of the present invention, being unable to satisfy Traffic Channel running time-frequency resource for existing
Flexible dispatching demand the problem of, base station can the time-domain resource according to locating for the Traffic Channel distributed for UE, UE it is corresponding when
Domain resource collection determines time domain instruction serial number corresponding with time-domain resource；Time domain instruction letter is extracted from time domain instruction serial number
Breath；It indicates that serial number and time domain indicate information according to time domain, determines the letter for meeting the PDCCH of preset carrying position restrictive condition
Road resource location；The DCI for carrying time domain instruction information is carried on PDCCH；And DCI is sent to by user equipment by PDCCH,
So that channel resource position and time-domain resource set of the user equipment according to time domain instruction information, PDCCH in DCI, are determined
Base station is time-domain resource locating for the Traffic Channel of UE distribution.In this way, indicating information realization to where Traffic Channel by time domain
Time-domain resource flexible instruction, support Traffic Channel time-domain resource flexible dispatching；Meanwhile when being greatly improved Traffic Channel
The dispatching flexibility of frequency resource.
On the basis of above-mentioned embodiment illustrated in fig. 1, with reference to Fig. 2, it illustrates in accordance with another embodiment of the present invention
The exemplary process diagram of Traffic Channel time-domain resource indicating means.The execution of the indicating means of Traffic Channel time-domain resource shown in Fig. 1
Main body can be UE.
As shown in Fig. 2, the Traffic Channel time-domain resource indicating means of one embodiment of the invention, may include walking as follows
It is rapid:
S210: by the corresponding DCI of PDCCH reception user equipment, the channel resource position of the PDCCH of carrying DCI is determined.
In the embodiment of the present invention, UE carries out blind Detecting in PDCCH resource domain first, determines (UE pairs of DCI that belongs to UE
The DCI answered) after, it can determine the channel resource present position that base station is distributed by the PDCCH of the carrying DCI, i.e. PDCCH
Channel resource position.Wherein, the channel resource position of PDCCH can be occupied according to the agreement between base station and UE by DCI
Position where the last one CCE that position where first CCE or DCI are occupied characterizes.
About the blind Detecting in PDCCH resource domain, belong to the determination of the DCI of UE and the channel resource position of PDCCH
Technical means commonly used by such a person skilled in the art can be used all to realize in determination, and and will not be described here in detail.
S220: time domain is extracted from DCI and indicates information.
In the embodiment of the present invention, UE can be mentioned after receiving one's own DCI by step S210 from DCI
Take out the time domain instruction information carried in advance.It, can also be further after UE extracts time domain instruction information M in practical application
Determine that time domain indicates the occupied number of bits P of information M.
S230: indicate that information, the channel resource position of PDCCH and base station are pre-configured with for user equipment according to time domain
Time-domain resource set, determine base station be user equipment distribution Traffic Channel locating for time-domain resource.
It is time domain in information of the base station side before being chosen in time domain instruction serial number on P bit in the embodiment of the present invention
In the case where indicating information, UE (1) can determine time domain money locating for Traffic Channel of the base station for UE distribution according to the following formula
Time domain corresponding to source indicates serial number:
N=M × 2B-P+((K)mod(2B-P)) formula (1)
Wherein, n is that time domain indicates serial number, and B is time domain instruction corresponding to each time-domain resource in description time-domain resource set
At least required number of bits of serial number, M are the time domain instruction information extracted, and P is the bit for the time domain instruction information occupancy extracted
Digit, K are the channel resource position of PDCCH.
After determining time domain instruction serial number, UE can search corresponding with time domain instruction serial number from time-domain resource set
Time-domain resource, and be determined as base station be UE distribution Traffic Channel locating for time-domain resource.
In practical application, after UE receives corresponding DCI, the time domain instruction information M of P bit is extracted, determines description time domain
In resource collection the instruction of time domain corresponding to each time-domain resource serial number at least needed for number of bits B and DCI occupied the
Position K where one CCE can determine that time domain indicates serial number n later according to above-mentioned formula (1).Then, according to time domain
Indicate that serial number n finally determines time-domain resource locating for the Traffic Channel that base station is UE distribution, packet from time-domain resource set
Include the starting position in time domain and duration.
For example, time domain instruction information M's is represented in binary as 10, time domain indicates that the number of bits P that information M is occupied is 2；It retouches
Stating the number of bits B that the instruction of time domain corresponding to each time-domain resource serial number is at least required in time-domain resource set is 4；If DCI institute
Position K where first CCE occupied is 7, then ((K) mod (2B-P)) it is 3.To sum up, when being determined according to above-mentioned formula (1)
The binary representation of domain instruction serial number n are as follows: 1011.
Optionally, in the embodiment of the present invention, in information of the base station side after being chosen in time domain instruction serial number on P bit
In the case where indicating information for time domain, UE (3) can be determined locating for Traffic Channel of the base station for UE distribution according to the following formula
Time domain corresponding to time-domain resource indicates serial number:
N=((K) mod (2B-P))×2P+ M formula (3)
In formula (2), n is that time domain indicates serial number, and B is that time domain corresponding to each time-domain resource refers in description time-domain resource set
Number of bits needed for showing serial number at least, M are the time domain instruction information extracted, and P is the ratio that the time domain instruction information extracted occupies
Special digit, K are the channel resource position of PDCCH.
Then, UE can search running time-frequency resource corresponding with time domain instruction serial number from time-domain resource set, and be determined as
Base station is time-domain resource locating for the Traffic Channel of UE distribution.
From the description above as can be seen that in embodiments of the present invention, being unable to satisfy Traffic Channel running time-frequency resource for existing
Flexible dispatching demand the problem of, UE can be by the corresponding DCI of PDCCH reception, and determines the channel of the PDCCH of carrying DCI
Resource location；Time domain is extracted from DCI indicates information；The channel resource position of information, PDCCH, Yi Jiji are indicated according to time domain
Standing is the preconfigured time-domain resource set of user equipment, determines time domain locating for Traffic Channel of the base station for user equipment distribution
Resource.In this way, realizing the flexible instruction to the time-domain resource where Traffic Channel by time-domain resource instruction, Traffic Channel is supported
The flexible dispatching of time-domain resource；Meanwhile being greatly improved the dispatching flexibility of Traffic Channel running time-frequency resource.
On the basis of above-mentioned embodiment illustrated in fig. 1, with reference to Fig. 3, it illustrates bases according to an embodiment of the invention
The structural schematic diagram stood.
As shown in figure 3, the base station 300 of one embodiment of the invention may include: processor 301 and transceiver 302,
In:
Processor 301 is corresponding for the time-domain resource according to locating for the Traffic Channel distributed for user equipment, user equipment
Time-domain resource set, determine corresponding with time-domain resource time domain instruction serial number；Time domain is extracted from time domain instruction serial number to refer to
When showing that information is that PDCCH distributes channel resource, indicate that serial number and time domain indicate information according to time domain, determination meets preset carrying
The channel resource position of the PDCCH of position restrictive condition；The DCI for carrying time domain instruction information is carried on PDCCH.
Transceiver 302 is used to that DCI to be sent to user equipment by PDCCH, so that user equipment is according to the time domain in DCI
It indicates information, the channel resource position of PDCCH and time-domain resource set, determines time-domain resource locating for Traffic Channel.
Optionally, processor 301 can indicate in serial number that the information before choosing on P bit is as time domain from time domain
Indicate information, wherein P is the positive integer less than B, and B is that time domain corresponding to each time-domain resource refers in description time-domain resource set
Number of bits needed for showing serial number at least, B are the integer more than or equal to 1；Determine the carrying position limitation for meeting following formula (1)
The channel resource position K of the PDCCH of condition:
N=M × 2B-P+((K)mod(2B-P)) formula (1)
Wherein, n is that time domain indicates serial number, and P is the number of bits that time domain indicates that information M is occupied.
Base station provided in an embodiment of the present invention specifically can be used for executing the processing stream of embodiment of the method shown in above-mentioned Fig. 1
Journey, details are not described herein for function, is referred to the detailed description of embodiment of the method shown in above-mentioned Fig. 1.
On the basis of above-mentioned embodiment illustrated in fig. 2, with reference to Fig. 4, it illustrates use according to an embodiment of the invention
The structural schematic diagram of family equipment 400.
As shown in figure 4, the user equipment of one embodiment of the invention may include: processor 401 and transceiver 402,
In:
Transceiver 401 is used to receive the corresponding Downlink Control Information of user equipment by physical downlink control channel PDCCH
DCI。
The channel resource position of PDCCH of the processor 402 for determining carrying DCI, extracts time domain instruction letter from DCI
Breath；Indicate that information, the channel resource position of PDCCH and base station are the preconfigured time-domain resource of user equipment according to time domain
Set determines time-domain resource locating for Traffic Channel of the base station for user equipment distribution.
Optionally, processor 402 determines locating for Traffic Channel of the base station for user equipment distribution according to the following formula (1)
Time domain corresponding to time-domain resource indicates serial number:
N=M × 2B-P+((K)mod(2B-P)) formula (1)
Wherein, n is that time domain indicates serial number, and B is time domain instruction corresponding to each time-domain resource in description time-domain resource set
At least required number of bits of serial number, M are that time domain indicates information, and P is the number of bits that time domain indicates information occupancy, K PDCCH
Channel resource position.Time-domain resource corresponding with time domain instruction serial number is searched from time-domain resource set, and is determined as base station
Time-domain resource locating for Traffic Channel for user equipment distribution.
User equipment provided in an embodiment of the present invention specifically can be used for executing the processing stream of above-mentioned embodiment illustrated in fig. 2
Journey, details are not described herein for function, is referred to the detailed description of above-mentioned embodiment illustrated in fig. 2.
With reference to Fig. 5, it illustrates the entity structure schematic diagrames of electronic equipment according to an embodiment of the invention.Such as Fig. 5
Shown, which may include: processor (processor) 501, memory (memory) 502 and bus 503,
In, processor 501, memory 502 completes mutual communication by bus 503.Processor 501 can call memory 502
In computer program, to execute method provided by above-mentioned embodiment illustrated in fig. 1, for example,
According to time-domain resource locating for the Traffic Channel distributed for user equipment, the corresponding time-domain resource collection of user equipment
It closes, determines time domain instruction serial number corresponding with time-domain resource；Time domain, which is extracted, from time domain instruction serial number indicates information；For
When PDCCH distributes resource, indicate that serial number and time domain indicate information according to time domain, determination meets preset carrying position restrictive condition
PDCCH channel resource position；The DCI for carrying time domain instruction information is carried on PDCCH；And DCI is sent by PDCCH
To user equipment, so that channel resource position and time-domain resource of the user equipment according to time domain instruction information, PDCCH in DCI
Set, determines time-domain resource locating for Traffic Channel.
Optionally, processor 501 can call the computer program in memory 502, to execute implementation shown in above-mentioned Fig. 1
Method provided by example, for example, from time domain instruction serial number, the information before choosing on P bit is indicated as time domain
Information, wherein P is the positive integer less than B, and B is time domain instruction sequence corresponding to each time-domain resource in description time-domain resource set
Number of bits needed for number at least, B are the integer more than or equal to 1；Determine the carrying position restrictive condition for meeting following formula (1)
PDCCH channel resource position K:
N=M × 2B-P+((K)mod(2B-P)) formula (1)
Wherein, n is that time domain indicates serial number, and P is the number of bits that time domain indicates that information M is occupied.
The embodiment of the present invention provides a kind of non-transient computer readable storage medium, non-transient computer readable storage medium
Computer program is stored, computer program makes computer execute method provided by above-mentioned embodiment illustrated in fig. 1, for example,
According to time-domain resource locating for the Traffic Channel distributed for user equipment, the corresponding time-domain resource collection of user equipment
It closes, determines time domain instruction serial number corresponding with time-domain resource；Time domain, which is extracted, from time domain instruction serial number indicates information；For
When PDCCH distributes resource, indicate that serial number and time domain indicate information according to time domain, determination meets preset carrying position restrictive condition
PDCCH channel resource position；The DCI for carrying time domain instruction information is carried on PDCCH；And DCI is sent by PDCCH
To user equipment, so that channel resource position and time-domain resource of the user equipment according to time domain instruction information, PDCCH in DCI
Set, determines time-domain resource locating for Traffic Channel.
Optionally, computer program makes computer execute method provided by above-mentioned embodiment illustrated in fig. 1, for example,
From time domain instruction serial number, the information before choosing on P bit indicates information as time domain, wherein P is just whole less than B
Number, B are to describe the number of bits that the instruction of time domain corresponding to each time-domain resource serial number is at least required in time-domain resource set, and B is
Integer more than or equal to 1；Determine the channel resource position K for meeting the PDCCH of carrying position restrictive condition of following formula (1):
N=M × 2B-P+((K)mod(2B-P)) formula (1)
Wherein, n is that time domain indicates serial number, and P is the number of bits that time domain indicates that information M is occupied.
With reference to Fig. 6, it illustrates the entity structure schematic diagrames of electronic equipment in accordance with another embodiment of the present invention.Such as figure
Shown in 6, which may include: processor (processor) 601, memory (memory) 602 and bus 603,
Wherein, processor 601, memory 602 complete mutual communication by bus 603.Processor 601 can call memory
Computer program in 602, to execute method provided by above-mentioned embodiment illustrated in fig. 2, for example,
By the corresponding DCI of PDCCH reception user equipment, the channel resource position of the PDCCH of carrying DCI is determined；From DCI
Middle extraction time domain indicates information；Indicate that information, the channel resource position of PDCCH and base station are that user equipment is pre- according to time domain
The time-domain resource set first configured determines time-domain resource locating for Traffic Channel of the base station for user equipment distribution.
Optionally, processor 601 can call the computer program in memory 602, to execute implementation shown in above-mentioned Fig. 2
Method provided by example, for example,
(1) determines corresponding to time-domain resource locating for Traffic Channel of the base station for user equipment distribution according to the following formula
Time domain indicates serial number:
N=M × 2B-P+((K)mod(2B-P)) formula (1)
Wherein, n is that time domain indicates serial number, and B is time domain instruction corresponding to each time-domain resource in description time-domain resource set
At least required number of bits of serial number, M are that time domain indicates information, and P is the number of bits that time domain indicates information occupancy, K PDCCH
Channel resource position.Time-domain resource corresponding with time domain instruction serial number is searched from time-domain resource set, and is determined as base station
Time-domain resource locating for Traffic Channel for user equipment distribution.
The embodiment of the present invention provides another non-transient computer readable storage medium, non-transient computer readable storage medium
Matter stores computer program, and computer program makes computer execute method provided by above-mentioned embodiment illustrated in fig. 2, such as wraps
It includes:
By the corresponding DCI of PDCCH reception user equipment, the channel resource position of the PDCCH of carrying DCI is determined；From DCI
Middle extraction time domain indicates information；Indicate that information, the channel resource position of PDCCH and base station are that user equipment is pre- according to time domain
The time-domain resource set first configured determines time-domain resource locating for Traffic Channel of the base station for user equipment distribution.
Optionally, computer program makes computer execute method provided by above-mentioned embodiment illustrated in fig. 2, for example,
(1) determines corresponding to time-domain resource locating for Traffic Channel of the base station for user equipment distribution according to the following formula
Time domain indicates serial number:
N=M × 2B-P+((K)mod(2B-P)) formula (1)
Wherein, n is that time domain indicates serial number, and B is time domain instruction corresponding to each time-domain resource in description time-domain resource set
At least required number of bits of serial number, M are that time domain indicates information, and P is the number of bits that time domain indicates information occupancy, K PDCCH
Channel resource position.Time-domain resource corresponding with time domain instruction serial number is searched from time-domain resource set, and is determined as base station
Time-domain resource locating for Traffic Channel for user equipment distribution.
In addition, the logical order in above-mentioned memory can be realized and as independence by way of SFU software functional unit
Product when selling or using, can store in a computer readable storage medium.Based on this understanding, of the invention
Technical solution substantially the part of the part that contributes to existing technology or the technical solution can be with software in other words
The form of product embodies, which is stored in a storage medium, including some instructions use so that
One computer equipment (can be personal computer, server or the network equipment etc.) executes each embodiment institute of the present invention
State all or part of the steps of method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can be with
Store the medium of program code.
The embodiment of base station described above is only schematical, wherein the unit as illustrated by the separation member
It may or may not be physically separated, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case where, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of Traffic Channel time-domain resource indicating means characterized by comprising
According to time-domain resource locating for the Traffic Channel distributed for user equipment, the corresponding time-domain resource collection of the user equipment
It closes, determines time domain instruction serial number corresponding with the time-domain resource；
Time domain, which is extracted, from time domain instruction serial number indicates information；
When distributing resource for physical downlink control channel PDCCH, indicate that serial number and the time domain indicate information according to the time domain,
Determine the channel resource position for meeting the PDCCH of preset carrying position restrictive condition；
The Downlink Control Information DCI for carrying the time domain instruction information is carried on the PDCCH；And it is incited somebody to action by the PDCCH
The DCI is sent to the user equipment, so that the user equipment is according to the time domain instruction information, described in the DCI
The channel resource position of PDCCH and the time-domain resource set, determine time-domain resource locating for the Traffic Channel.
2. the method according to claim 1, wherein described extract time domain instruction from time domain instruction serial number
Information, comprising:
From time domain instruction serial number, the information before choosing on P bit is as time domain instruction information, wherein P for less than
The positive integer of B, B are at least required ratio of time domain instruction serial number corresponding to each time-domain resource in the description time-domain resource set
Special digit, B are the integer more than or equal to 1；And
Described to indicate that serial number and the time domain indicate information according to the time domain, determination meets preset carrying position restrictive condition
Down control channel PDCCH channel resource position, comprising:
Determine the channel resource position K for meeting the PDCCH of carrying position restrictive condition of following formula (1):
N=M × 2B-P+((K)mod(2B-P)) formula (1)
Wherein, n is that time domain indicates serial number, and P is the number of bits that time domain indicates that information M is occupied.
3. a kind of Traffic Channel time-domain position indicating means characterized by comprising
The corresponding Downlink Control Information DCI of user equipment is received by physical downlink control channel PDCCH, determines carrying DCI's
The channel resource position of PDCCH；
Time domain is extracted from the DCI indicates information；
Indicate that information, the channel resource position of the PDCCH and base station are that the user equipment is matched in advance according to the time domain
The time-domain resource set set determines time-domain resource locating for Traffic Channel of the base station for user equipment distribution.
4. according to the method described in claim 3, it is characterized in that, described indicate information, the PDCCH according to the time domain
Channel resource position and base station are the preconfigured time-domain resource set of the user equipment, determine that the base station is described
Time-domain resource locating for the Traffic Channel of user equipment distribution, comprising:
(1) determines that time-domain resource locating for Traffic Channel that the base station is distributed for the user equipment is right according to the following formula
The time domain instruction serial number answered:
N=M × 2B-P+((K)mod(2B-P)) formula (1)
Wherein, n is that the time domain indicates serial number, and B is time domain corresponding to each time-domain resource in the description time-domain resource set
Number of bits needed for indicating serial number at least, M are that the time domain indicates information, and P is the bit that the time domain indicates that information occupies
Digit, K are the channel resource position of the PDCCH；
Time-domain resource corresponding with time domain instruction serial number is searched from the time-domain resource set, and is determined as the base station
Time-domain resource locating for Traffic Channel for user equipment distribution.
5. a kind of base station characterized by comprising
Processor, it is corresponding for the time-domain resource according to locating for the Traffic Channel distributed for user equipment, the user equipment
Time-domain resource set determines time domain instruction serial number corresponding with the time-domain resource；It is extracted from time domain instruction serial number
When time domain indicates that information is that physical downlink control channel PDCCH distributes channel resource, serial number and described is indicated according to the time domain
Time domain indicates information, determines the channel resource position for meeting the PDCCH of preset carrying position restrictive condition；When will carry described
The Downlink Control Information DCI of domain instruction information is carried on the PDCCH；
Transceiver, for the DCI to be sent to the user equipment by the PDCCH so that the user equipment according to
The channel resource position of time domain instruction information, the PDCCH in the DCI and the time-domain resource set, are determined described
Time-domain resource locating for Traffic Channel.
6. a kind of user equipment characterized by comprising
Transceiver, for receiving the corresponding Downlink Control Information DCI of user equipment by physical downlink control channel PDCCH；
Processor, the channel resource position of the PDCCH for determining carrying DCI, extracts time domain from the DCI and indicates information；
Indicate that information, the channel resource position of the PDCCH and base station are that the user equipment is preconfigured according to the time domain
Time-domain resource set determines time-domain resource locating for Traffic Channel of the base station for user equipment distribution.
7. a kind of electronic equipment, which is characterized in that including processor, memory and bus, in which:
The processor, the memory complete mutual communication by bus；
The processor can call the computer program in memory, to execute as described in claim 1-2 any one
Method.
8. a kind of non-transient computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is located
It manages when device executes and realizes such as claim 1-2 any one the method.
9. a kind of electronic equipment, which is characterized in that including processor, memory and bus, in which:
The processor, the memory complete mutual communication by bus；
The processor can call the computer program in memory, to execute as claimed in any one of claims 3 to 4
Method.
10. a kind of non-transient computer readable storage medium, is stored thereon with computer program, which is characterized in that the program quilt
Such as claim 3-4 any one the method is realized when processor executes.
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Application publication date: 20190129 |