CN105979602A - Control method for data transmission and related equipment - Google Patents
Control method for data transmission and related equipment Download PDFInfo
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- CN105979602A CN105979602A CN201610305169.7A CN201610305169A CN105979602A CN 105979602 A CN105979602 A CN 105979602A CN 201610305169 A CN201610305169 A CN 201610305169A CN 105979602 A CN105979602 A CN 105979602A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0808—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA
Abstract
The invention provides a control method for data transmission and related equipment. The method comprises that when an authorized frequency spectrum assists a non-authorized frequency spectrum in uplink scheduling, a base station obtains a target downlink subframe to be sent in the non-authorized frequency spectrum, and at least two uplink subframes which the target downlink subframe is allowed to schedule are determined; the base station generates uplink scheduling information according to the at least two uplink subframes, the uplink scheduling information comprises an uplink (UL) index, and the UL index is used to target downlink subframe schedules a target uplink subframe among the at leat two uplink subframes; and the base station sends downlink control information with the uplink scheduling information to a terminal in the target downlink subframe. According to the invention, one downlink subframe can schedule multiple uplink subframes, and the resource utilization rate of a system is improved effectively.
Description
Technical field
The present invention relates to communication technical field, particularly relate to control method and the relevant device of the transmission of a kind of data.
Background technology
Along with popularizing of subscriber equipment and sharply increasing of message volume, frequency spectrum is authorized increasingly to be not enough to
Higher network capacity is provided.In order to meet growing network demand, expand on the basis of authorizing frequency spectrum
Big use unlicensed spectrum becomes an important feasible direction.3GPP(3rd Generation Partnership
Project, third generation partner program) tissue proposes LAA (Licensed Assisted Access, awards
Power auxiliary access) technology with realize authorize frequency spectrum auxiliary under use unauthorized frequency spectrum resource.In order to make
Authorize frequency spectrum preferably to coexist with unlicensed spectrum, LAA system introduces LBT (Listen Before
Talk, listem-before-talk) mechanism, the most first carry out the monitoring of channel status, it is judged that use
Channel the most occupied, channel do not have occupied on the premise of just the resource of this channel is adjusted
Degree.
In LTE (Long Term Evolution, Long Term Evolution) system, the schedule information of sub-frame of uplink is
Sent by the Downlink Control Information (Downlink Control Information, DCI) of descending sub frame,
General provision each descending sub frame one corresponding sub-frame of uplink of scheduling.But, under LBT mechanism, work as channel
Cannot be carried out sending, so that this descending sub frame pair cannot be dispatched by the descending sub frame causing correspondence time occupied
The sub-frame of uplink answered, thus reduce the utilization rate of system resource.
Summary of the invention
Embodiments provide control method and the relevant device of the transmission of a kind of data, it is possible to make under one
The multiple sub-frame of uplink of row subframe scheduling, effectively promotes the resource utilization of system.
Embodiment of the present invention first aspect provides the control method of a kind of data transmission, is applied to authorize auxiliary
Accessing in LAA system, described method includes:
Base station, when authorizing frequency spectrum auxiliary unlicensed spectrum to carry out uplink scheduling, obtains target downlink to be sent
Subframe, and determine that described target downlink subframe allows at least two sub-frame of uplink of scheduling, wherein, described mesh
Mark descending sub frame is deployed in unlicensed spectrum；
Described base station, according to described at least two sub-frame of uplink, generates uplink scheduling information, described uplink scheduling
Information includes that line index UL index, described UL index are used for indicating described target downlink subframe described
The target sub-frame of uplink of scheduling at least two sub-frame of uplink；
Described base station will carry the descending control letter of described uplink scheduling information in described target downlink subframe
Breath sends to terminal.
Embodiment of the present invention second aspect provides the control method of a kind of data transmission, is applied to authorize auxiliary
Accessing in LAA system, described method includes:
What terminal reception base station sent in the target downlink subframe of unlicensed spectrum carries uplink scheduling information
Downlink Control Information, described uplink scheduling information includes that line index UL index, described UL index use
Allow by the dispatch situation of at least two sub-frame of uplink of described target downlink subframe scheduling in instruction；
Described terminal, according to described UL index, determines that target sub-frame of uplink, described target sub-frame of uplink are institute
State the sub-frame of uplink by described target downlink subframe scheduling at least two sub-frame of uplink.
The embodiment of the present invention third aspect provides a kind of base station, including:
Acquiring unit, for when authorizing frequency spectrum auxiliary unlicensed spectrum to carry out uplink scheduling, obtaining to be sent
Target downlink subframe, wherein, described target downlink subframe is deployed in unlicensed spectrum；
Determine unit, for determining that described target downlink subframe allows at least two sub-frame of uplink of scheduling；
Signal generating unit, for according to described at least two sub-frame of uplink, generates uplink scheduling information, described on
Row schedule information includes that line index UL index, described UL index are used for indicating described target downlink subframe
The target sub-frame of uplink of scheduling in described at least two sub-frame of uplink；
Transmitting element, for will carry the descending of described uplink scheduling information in described target downlink subframe
Control information sends to terminal.
Embodiment of the present invention fourth aspect provides a kind of terminal, including:
Receive unit, for carrying of receiving that base station sends in the target downlink subframe of unlicensed spectrum
The Downlink Control Information of row schedule information, described uplink scheduling information includes line index UL index, described
UL index allows by the scheduling feelings of at least two sub-frame of uplink of described target downlink subframe scheduling for indicating
Condition；
Determine unit, for according to described UL index, determine target sub-frame of uplink, the up son of described target
Frame is the sub-frame of uplink in described at least two sub-frame of uplink by described target downlink subframe scheduling.
In the embodiment of the present invention, authorizing auxiliary to access in LAA system, base station assists non-awarding at mandate frequency spectrum
When power frequency spectrum carries out uplink scheduling, after target downlink subframe that can be to be sent under getting unlicensed spectrum,
May determine that this target downlink subframe allows at least two sub-frame of uplink of scheduling, and according to above-mentioned at least two
Sub-frame of uplink generates uplink scheduling information, and this uplink scheduling information comprises line index UL index, is used for referring to
Showing the target sub-frame of uplink that this target downlink subframe is dispatched in above-mentioned at least two sub-frame of uplink, base station is permissible
The Downlink Control Information carrying this uplink scheduling information is sent to terminal by this target downlink subframe, with
Make terminal can carry out transmitting uplink data according in this Downlink Control Information on the object row subframe.Can
See, implement the embodiment of the present invention, UL index can be introduced in Downlink Control Information and carry out indicating downlink subframe
The sub-frame of uplink of concrete scheduling, to support that a descending sub frame dispatches two or more sub-frame of uplink,
It is thus possible to increase the probability that sub-frame of uplink is scheduled, it is effectively improved the ascending performance of system, promotes system
Resource utilization.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to required in embodiment
The accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is some realities of the present invention
Execute example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of a kind of application scenarios that the embodiment of the present invention provides；
Fig. 2 is the schematic flow sheet of the control method of a kind of data transmission that the embodiment of the present invention provides；
Fig. 3 is the schematic diagram of a kind of descending sub frame dispatching uplink subframe that the embodiment of the present invention provides；
Fig. 4 is the schematic flow sheet of the control method of the another kind of data transmission that the embodiment of the present invention provides；
Fig. 5 is the structural representation of a kind of base station that the embodiment of the present invention provides；
Fig. 6 is the structural representation of the another kind of base station that the embodiment of the present invention provides；
Fig. 7 is the structural representation of another base station that the embodiment of the present invention provides；
Fig. 8 is the structural representation of a kind of terminal that the embodiment of the present invention provides；
Fig. 9 is the structural representation of the another kind of terminal that the embodiment of the present invention provides；
Figure 10 is the structural representation of another terminal that the embodiment of the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is a part of embodiment of the present invention rather than all
Embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative labor
The every other embodiment obtained under dynamic premise, broadly falls into the scope of protection of the invention.
Embodiments provide control method and the relevant device of the transmission of a kind of data, can be in descending control
Information processed introduces upper line index UL index and carrys out the sub-frame of uplink that indicating downlink subframe is specifically dispatched, to support
One descending sub frame dispatches two or more sub-frame of uplink such that it is able to increases sub-frame of uplink and is scheduled
Probability, be effectively improved the ascending performance of system, promote the resource utilization of system.Carry out individually below in detail
Describe in detail bright.
In order to be better understood from the embodiment of the present invention, the most first application scenarios disclosed in the embodiment of the present invention is entered
Line description.Refer to the schematic diagram that Fig. 1, Fig. 1 are a kind of application scenarios that the embodiment of the present invention provides.At figure
In application scenarios shown in 1, including base station and at least one terminal, wherein, base station can be entered with multiple terminals
Row communication connection.Terminal can include cell phone, panel computer, palm PC, personal digital assistant
(Personal Digital Assistant, PDA), mobile internet device (Mobile Internet Device,
MID), each Terminal Type such as Intelligent worn device (such as intelligent watch, Intelligent bracelet etc.), the embodiment of the present invention
It is not construed as limiting.In the application scenarios shown in Fig. 1, in order to the peak rate and network capacity meeting user carries
The requirement risen, can introduce carrier aggregation (Carrier Aggregation, CA) technology, will multiple continuous or
Discontinuous carrier aggregation together, thus increases the transmission bandwidth of system, effectively promotes downstream transmission speed
Rate.But, owing to authorizing frequency spectrum resource limited, growing customer group increasingly can not be met, because of
This, can carry out spread-spectrum resource by using unlicensed spectrum.In order to realize under the auxiliary authorizing frequency spectrum
Use unlicensed spectrum, introduce mandate auxiliary and access LAA technology.In LAA system, owing to introducing
Unlicensed spectrum, needs to consider to authorize coexisting, accordingly, it would be desirable to award of frequency spectrum and unlicensed spectrum in accordance with non-
The use rule listem-before-talk LBT mechanism of power frequency spectrum.
In the embodiment of the present invention, when base station and terminal carry out data transmission, owing to introducing LBT mechanism, base
Before standing in scheduling or sending data, need first to carry out the monitoring of channel status, to judge the busy shape of channel
State, if channel status is idle condition, then can use this channel to carry out user scheduling or data send；
If channel status is busy (the most occupied) state, then cannot use this channel.In existing LTE system
In system, including uplink and downlink timeslot configuration 0～6 totally seven kinds of time slot configuration, the configuration of each uplink and downlink timeslot is right
The distribution of the ascending-descending subframes answered is as shown in table 1, and wherein, D represents descending sub frame, and S represents special subframe,
U represents sub-frame of uplink.Configuring 1～6 for uplink and downlink timeslot, descending sub frame number is all higher than or equal to sub-frame of uplink
Number, owing to the uplink scheduling information of sub-frame of uplink is that the Downlink Control Information DCI by descending sub frame sends,
And specify that each descending sub frame dispatches corresponding sub-frame of uplink, i.e. an one-to-one relationship.And for up and down
Row time slot configuration 0, owing to descending sub frame number is less than sub-frame of uplink number, in order to make all of sub-frame of uplink all be adjusted
Degree, then a descending sub frame can dispatch two sub-frame of uplink, in order to identify the DCI in a descending sub frame
In uplink scheduling information be which sub-frame of uplink corresponding, introduce " UL index " field, a length of 2bit,
It is which subframe in two sub-frame of uplink of scheduling to identify this Downlink Control Information.Due to LBT machine
System needs first to carry out the detection of channel status before scheduling, and when channel is occupied, then descending sub frame cannot
Carry out the transmission of Downlink Control Information, and then the sub-frame of uplink that cannot dispatch correspondence carries out uplink.
Table 1
Based on the problems referred to above, and be scheduled to make all of sub-frame of uplink all have may be to maximize system
The ascending performance of system, the embodiment of the present invention have employed a descending sub frame can dispatch the side of multiple sub-frame of uplink
Case, is also introduced into " UL index " field to represent what certain descending sub frame was dispatched in uplink and downlink timeslot configuration 1～6
Being which sub-frame of uplink, " UL index " field length is more than or equal to 2, and in uplink and downlink timeslot configuration 0
" UL index " field be extended so that the length of " UL index " field is also greater than equal to 2.Logical
Cross the enforcement program, can ensure that sub-frame of uplink is fully dispatched on the premise of LBT, be effectively improved system
Ascending performance, promote system resource utilization.
Based on the application scenarios shown in Fig. 1, the embodiment of the invention discloses the control method of a kind of data transmission.
Refer to the schematic flow sheet that Fig. 2, Fig. 2 are the control methods of a kind of data transmission that the embodiment of the present invention provides.
Wherein, the control method of these data transmission is applied in LAA system, as in figure 2 it is shown, the transmission of these data
Control method may comprise steps of:
201, base station is when authorizing frequency spectrum auxiliary unlicensed spectrum to carry out uplink scheduling, obtains target to be sent
Descending sub frame.
In the embodiment of the present invention, in LAA system, when base station to be entered authorizing frequency spectrum auxiliary unlicensed spectrum
When row uplink scheduling or downlink transfer, can first obtain target downlink subframe, wherein, target downlink subframe is
Data message and/or the descending sub frame of control information transmission, the letter that target downlink subframe correspondence uses can be carried out
Road is now idle condition.Wherein, this target downlink subframe can be deployed in unlicensed spectrum, in other words,
The carrier wave carrying this target downlink subframe is deployed in unlicensed spectrum.
In the embodiment of the present invention, step 201 base station obtains the specific embodiment party of target downlink subframe to be sent
Formula may comprise steps of:
21) base station utilizes listem-before-talk LBT to carry out for transmitting the channel of descending sub frame in unlicensed spectrum
Detection；
22) when detect in unlicensed spectrum for the channel that transmits this descending sub frame be idle channel time, base
Station determines that this descending sub frame is target downlink subframe to be sent.
In the embodiment of the present invention, in order to make mandate frequency spectrum preferably coexist with unlicensed spectrum, in LAA system
In introduce LBT mechanism, before base station carries out uplink scheduling or downlink transfer in unlicensed spectrum, first profit
By LBT mechanism, the channel being used for transmitting a certain descending sub frame in unlicensed spectrum is carried out state-detection, work as inspection
Measure this channel the most occupied time, then the channel that next descending sub frame is corresponding can be carried out state-detection；When
Detect when the state of this channel is idle condition (the most unoccupied), then this descending sub frame can be determined
For target downlink subframe, base station can carry out uplink scheduling or downlink transfer on this descending sub frame.
202, base station determines that this target downlink subframe allows at least two sub-frame of uplink of scheduling.
In the embodiment of the present invention, when base station gets the target downlink subframe that can be controlled information transmission,
May further determine that this target downlink subframe can allow at least two sub-frame of uplink of scheduling.Wherein, on
Stating at least two sub-frame of uplink can be to authorize the sub-frame of uplink under frequency spectrum, it is also possible to be under unlicensed spectrum
Sub-frame of uplink, it is also possible to both comprised the sub-frame of uplink authorized under frequency spectrum, also comprise under unlicensed spectrum is up
Subframe.
As the optional embodiment of one, step 202 base station determines that this target downlink subframe allows scheduling
The detailed description of the invention of at least two sub-frame of uplink may comprise steps of:
23) base station is according to currently employed target uplink and downlink timeslot configuration, and Preset Transfer time delay is with up
At least one in channel quality, determines that this target downlink subframe allows to adjust under target uplink and downlink timeslot configures
At least two sub-frame of uplink of degree.
In this embodiment, the target uplink and downlink timeslot that base station is currently employed be configured in 0～6 wherein one
Kind, the descending sub frame that different uplink and downlink timeslot configurations is corresponding is different from the distribution condition of sub-frame of uplink.Preset
Propagation delay time can be the minimal time delay of downlink transfer feedback, and general provision is 4 milliseconds (ms), and different is upper
The Preset Transfer time delay of descending time slot configuration correspondence can be different.Specifically, if base station is n-th, (n is big
In the integer equal to 0) when carrying out downlink transfer on individual descending sub frame, then this n-th descending sub frame can be adjusted
The sub-frame of uplink of degree can be the n-th+k (k >=4) individual sub-frame of uplink.
In this embodiment, the quality of up channel, before carrying out uplink scheduling, can first be known in base station,
Preferable if up channel quality, then can be scheduling；Poor if up channel quality, then may not be used
It is scheduling.Base station can be according to SRS (Sounding Reference Signal, the detection ginseng of terminal to report
Examine signal) know the quality of current up channel.Base station is in currently employed target uplink and downlink timeslot configuration
Under, at least one information can taken into consideration in Preset Transfer time delay and uplink signal-channel quality determines this
Target downlink subframe allows at least two sub-frame of uplink of scheduling.
For example, referring to Fig. 3, Fig. 3 is a kind of descending sub frame dispatching uplink that the embodiment of the present invention provides
The schematic diagram of subframe.The frame structure corresponding to uplink and downlink timeslot configuration 0 shown in Fig. 3, base station can lead to
Crossing LBT mechanism and getting target downlink subframe to be sent is subframe 0, and detects subframe 1, subframe 5
The most occupied with subframe 6, special subframe S can be seen as descending sub frame here.Further, base
Stand in uplink and downlink timeslot to configure 0 time, can be in conjunction with Preset Transfer time delay (being such as not less than 4ms) and/or up
Channel quality determines that subframe 0 allows the sub-frame of uplink of scheduling to be subframe 4 and subframe 7～9 totally 4 subframes.
As the optional embodiment of one, step 202 base station determines that this target downlink subframe allows scheduling
The detailed description of the invention of at least two sub-frame of uplink may comprise steps of:
24) mapping relations are preset, really according to currently employed target uplink and downlink timeslot configuration and first in base station
This target downlink subframe fixed allows at least two sub-frame of uplink of scheduling under target uplink and downlink timeslot configures, its
In, first presets mapping relations includes the lower descending sub frame of different uplink and downlink timeslot configurations and allows the upper of scheduling
The corresponding relation of row subframe.
In this embodiment, base station can be according to currently employed target uplink and downlink timeslot configuration, from first
Preset and mapping relations find out descending sub frame correspondence permission scheduling different under the configuration of target uplink and downlink timeslot
Sub-frame of uplink, so that it is determined that go out this target downlink subframe to allow the sub-frame of uplink of scheduling.Such as, such as Fig. 3 institute
Showing, first presets the sub-frame of uplink indicating uplink and downlink timeslot to configure 0 time subframe 0 permission scheduling in mapping relations
For subframe 4 and subframe 7～9.
203, base station is according to above-mentioned at least two sub-frame of uplink, generates uplink scheduling information.
In the embodiment of the present invention, this uplink scheduling information can include but not limited to modulation coding mode, distribution
Resource Block, the information such as upper line index UL index.Wherein, the distribution of modulation coding mode and Resource Block can
To determine according to channel quality and/or scheduling strategy, UL index can serve to indicate that this target downlink subframe
The target sub-frame of uplink of actual schedule in above-mentioned at least two sub-frame of uplink, i.e. can be obtained by UL index
Know that this target downlink subframe dispatches in above-mentioned at least two sub-frame of uplink is which or which subframe.UL
Index can represent with N (N >=2) individual bit, can be by the up son of target downlink subframe actual schedule
The bit position that frame is corresponding is 1.Wherein, target sub-frame of uplink can be one or more, can be to authorize frequency
Sub-frame of uplink under Pu, it is also possible to be the sub-frame of uplink under unlicensed spectrum, it is also possible to both comprised mandate frequency spectrum
Under sub-frame of uplink, also comprise the sub-frame of uplink under unlicensed spectrum.
As the optional embodiment of one, the bit length of UL index can be up by above-mentioned at least two
The number of subframe determines, it is preferred that can specify that the bit length of UL index is not less than above-mentioned at least two
The number of sub-frame of uplink.Such as, the sub-frame of uplink dispatched is allowed to be subframe 4 as it is shown on figure 3, work as subframe 0
During with subframe 7～9 totally 4 subframes, the bit length of UL index can be more than or equal to 4bit.Assume UL
The bit length of index is 4bit, and when the sub-frame of uplink of subframe 0 actual schedule is subframe 4 and subframe 9,
Its serial number in allowing the sub-frame of uplink being scheduled is respectively 1 and 4, then be expressed as by UL index
1001, i.e. the 1st and the 4th bit position are 1.Assume that target downlink subframe to be sent in Fig. 3 is for son
Frame 1, and when it allows the sub-frame of uplink dispatched to be subframe 7～9 totally 3 subframes, the bit length of UL index
Can be more than or equal to 3bit.Instruction information is increased, with instruction at this point it is possible to extra in uplink scheduling information
It it is which target downlink subframe.Therefore, the bit length of UL index can allow according to target downlink subframe
The number of the sub-frame of uplink of scheduling is adjusted (being such as increased or decreased), thus reduces unnecessary bit, with fall
The signalling loads of low system.
As the optional embodiment of one, the bit length of UL index can be by currently employed target
Descending time slot configuration and second is preset mapping relations and is determined, second presets mapping relations includes different upper and lower
Row time slot configuration and the corresponding relation of bit length.Wherein, the UL that different uplink and downlink timeslot configurations is corresponding
The bit length of index can be different.Such as, second preset mapping relations are arranged uplink and downlink timeslot configuration 0
When the bit length of corresponding UL index is 4bit, then base station is when using uplink and downlink timeslot to configure 0, no
Pipe is that all to give tacit consent to the bit length of UL index be 4bit to which target downlink subframe, and now, uplink scheduling is believed
Which target downlink subframe breath is without extra instruction.Additionally, the UL index that uplink and downlink timeslot configuration is corresponding
Bit length be usually according to this uplink and downlink timeslot lower target downlink subframe of configuration can dispatch the most up
Subframe carries out value.
204, the Downlink Control Information carrying this uplink scheduling information is sent out in this target downlink subframe by base station
Deliver to terminal.
In the embodiment of the present invention, owing to the uplink scheduling information of sub-frame of uplink is the descending control by descending sub frame
Delivering processed, therefore, base station can be carried uplink scheduling information in Downlink Control Information and send extremely
Terminal.Specifically, base station will carry the descending control of this uplink scheduling information in this target downlink subframe
Information is sent out by PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel)
Deliver to terminal, so that terminal carries out uplink according to this uplink scheduling information on target sub-frame of uplink.
In the embodiment of the present invention, when above-mentioned at least two sub-frame of uplink is determined in base station, can be by target downlink
Subframe allows the above-mentioned at least two sub-frame of uplink of scheduling to inform terminal, can be to be entered by uplink scheduling information
Row carries, it is also possible to be to inform terminal before sending Downlink Control Information.
In the embodiment of the present invention, after performing step 204, the method described by Fig. 2 can also include with
Lower step:
25) base station receives terminal according to the number of uplink in this Downlink Control Information on the object row subframe
According to.
Wherein, after terminal receives the Downlink Control Information that base station sends, Downlink Control Information is resolved,
To obtain the target sub-frame of uplink of the UL index instruction in uplink scheduling information, it is possible to go on the object
Transmitting uplink data is carried out in subframe.Specifically, base station receives terminal according to this Downlink Control Information at this mesh
By PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel) in mark sub-frame of uplink
Carry out the data of uplink.Wherein, when sub-frame of uplink under target sub-frame of uplink is unlicensed spectrum,
Before carrying out transmitting uplink data in terminal row subframe on the object, need to utilize LBT mechanism to carry out channel
The detection of state, is just transmitted when channel idle；When target sub-frame of uplink is authorize under frequency spectrum up
During subframe, terminal can carry out up number in row subframe on the object without carrying out LBT Channel Detection
According to transmission.
In the method described by Fig. 2, when authorizing frequency spectrum auxiliary unlicensed spectrum to carry out uplink scheduling, base
Standing can be permissible after the target downlink subframe to be sent utilizing LBT mechanism to get under unlicensed spectrum
Determine that this target downlink subframe allows at least two sub-frame of uplink of scheduling, and up according to above-mentioned at least two
Subframe generates uplink scheduling information, and this uplink scheduling information comprises UL index, is used for indicating this target downlink
The target sub-frame of uplink that subframe is dispatched in above-mentioned at least two sub-frame of uplink, base station can be in this target downlink
In subframe, the Downlink Control Information carrying this uplink scheduling information is sent to terminal, so that terminal is permissible
Transmitting uplink data is carried out according in this Downlink Control Information on the object row subframe.By implementing Fig. 2 institute
The method described, can introduce UL index in Downlink Control Information and come what indicating downlink subframe was specifically dispatched
Sub-frame of uplink, to support that a descending sub frame dispatches two or more sub-frame of uplink such that it is able to increase
Add the probability that sub-frame of uplink is scheduled, be effectively improved the ascending performance of system, promote the resource utilization of system.
Based on the application scenarios shown in Fig. 1, the embodiment of the invention discloses the controlling party of another kind of data transmission
Method.Refer to the control method that Fig. 4, Fig. 4 are the another kind of data transmission that the embodiment of the present invention provides.Wherein,
The control method of these data transmission is applied in LAA system, as shown in Figure 4, and the controlling party of these data transmission
Method may comprise steps of:
What 401, terminal reception base station sent in the target downlink subframe of unlicensed spectrum carries uplink scheduling
The Downlink Control Information of information, this uplink scheduling information includes that line index UL index, UL index are used for
Instruction allows by the dispatch situation of at least two sub-frame of uplink of target downlink subframe scheduling.
In the embodiment of the present invention, when base station utilizes LBT mechanism to get target to be sent under unlicensed spectrum
Descending sub frame, and determine this target downlink subframe allow scheduling at least two sub-frame of uplink after, base station can
To generate uplink scheduling information further, and introducing UL index indicates this mesh in this uplink scheduling information
Mark descending sub frame in above-mentioned at least two sub-frame of uplink actual schedule be which sub-frame of uplink, and will carry
The Downlink Control Information having this uplink scheduling information is sent to terminal, sends out so that terminal can receive base station
The Downlink Control Information carrying this uplink scheduling information sent.Wherein, above-mentioned at least two sub-frame of uplink can
To be the sub-frame of uplink under mandate frequency spectrum, it is also possible to be the sub-frame of uplink under unlicensed spectrum, it is also possible to both wrapped
Containing the sub-frame of uplink authorized under frequency spectrum, also comprise the sub-frame of uplink under unlicensed spectrum.
In the embodiment of the present invention, this uplink scheduling information is in addition to comprising UL index, it is also possible to include that modulation is compiled
Code mode, the information such as Resource Block of distribution, the embodiment of the present invention is not construed as limiting.The bit length of UL index
Being determined by base station, UL index can represent, when above-mentioned at least two is up with N (N >=2) individual bit
When the bit that in subframe, certain sub-frame of uplink is corresponding is set to 1, then may indicate that this sub-frame of uplink is scheduled；
When the bit that certain sub-frame of uplink in above-mentioned at least two sub-frame of uplink is corresponding is set to 0, then can recognize
It is not scheduled for this sub-frame of uplink.
In the embodiment of the present invention, terminal can receive before Downlink Control Information, knows and is issued by base station
This target downlink subframe allows the above-mentioned at least two sub-frame of uplink of scheduling；Base station can be by this target downlink
Frame allows the above-mentioned at least two sub-frame of uplink of scheduling to carry in uplink scheduling information, so that terminal exists
Know when resolving uplink scheduling information.
As the optional embodiment of one, the bit length of UL index can be up by above-mentioned at least two
The number of subframe determines, it is preferred that can specify that the bit length of UL index is not less than above-mentioned at least two
The number of sub-frame of uplink.
As the optional embodiment of one, the bit length of UL index can be by the currently employed mesh in base station
Put on descending time slot configuration and preset mapping relations decision, when default mapping relations include different up-downgoings
Gap configuration and the corresponding relation of bit length.Wherein, the UL index that different uplink and downlink timeslot configurations is corresponding
Bit length can be different.
402, terminal is according to UL index, determines target sub-frame of uplink.
In the embodiment of the present invention, terminal, can be to this Downlink Control Information after receiving Downlink Control Information
In uplink scheduling information resolve, to parse the content in uplink scheduling information, it is possible to according to upper
UL index in row schedule information determines target sub-frame of uplink.Wherein, this target sub-frame of uplink is upper
State the sub-frame of uplink by this target downlink subframe scheduling at least two sub-frame of uplink.Target sub-frame of uplink is permissible
It is one or more, can be to authorize the sub-frame of uplink under frequency spectrum, it is also possible to be up under unlicensed spectrum
Subframe, it is also possible to both comprise the sub-frame of uplink authorized under frequency spectrum, also comprise the sub-frame of uplink under unlicensed spectrum.
Such as, the sub-frame of uplink dispatched is allowed to be subframe 4 and subframe 7～9 totally 4 as it is shown on figure 3, work as subframe 0
During subframe, the bit length of UL index can be more than or equal to 4bit.Assume the bit length of UL index
For 4bit, and UL index is expressed as 1001, and i.e. the 1st and the 4th bit position are 1, then can be with table
Show that subframe 4 and subframe 9 are scheduled, i.e. according to this UL index, determine that target sub-frame of uplink is subframe 4
With subframe 9.
In the embodiment of the present invention, after execution of step 402, the method described by Fig. 4 can also include
Following steps:
41) terminal according in this Downlink Control Information on the object row subframe to base station uplink data sending.
Wherein, terminal is entered to base station by PUSCH according in this Downlink Control Information on the object row subframe
Row uplink data sending.Specifically, terminal can utilize corresponding modulation to compile according to this Downlink Control Information
Code mode, distribution Resource Block on target sub-frame of uplink in base station uplink data sending.Wherein, when
When target sub-frame of uplink is the sub-frame of uplink under unlicensed spectrum, terminal row subframe on the object is carried out on
Before the transmission of row data, need the detection utilizing LBT mechanism to carry out channel status, just enter when channel idle
Row transmission；When target sub-frame of uplink is to authorize the sub-frame of uplink under frequency spectrum, terminal can be without carrying out LBT
Channel Detection can carry out transmitting uplink data in row subframe on the object.
In the embodiment of the present invention, by implementing the method described by Fig. 4, terminal can resolve what base station sent
Uplink scheduling information in Downlink Control Information, comes really according to the UL index introduced in this uplink scheduling information
Surely the one or more sub-frame of uplink being scheduled, and in the sub-frame of uplink being scheduled, carry out transmitting uplink data,
It is thus possible to increase the probability that sub-frame of uplink is scheduled, it is effectively improved the ascending performance of system, promotes system
Resource utilization.
Based on the application scenarios shown in Fig. 1, the embodiment of the invention discloses a kind of base station.Refer to Fig. 5, figure
5 is the structural representation of a kind of base station that the embodiment of the present invention provides, for performing what the embodiment of the present invention provided
The control method of data transmission.As it is shown in figure 5, this base station may include that
Acquiring unit 501, for when authorizing frequency spectrum auxiliary unlicensed spectrum to carry out uplink scheduling, obtaining pending
The target downlink subframe sent.
In the embodiment of the present invention, target downlink subframe is to carry out data message and/or the transmission of control information
Descending sub frame, the channel that target downlink subframe correspondence uses is now idle condition.Wherein, under described target
Row subframe is deployed in unlicensed spectrum.
Determine unit 502, for determining that this target downlink subframe allows at least two sub-frame of uplink of scheduling.
In the embodiment of the present invention, above-mentioned at least two sub-frame of uplink can be to authorize the sub-frame of uplink under frequency spectrum,
Can also be the sub-frame of uplink under unlicensed spectrum, it is also possible to both comprised the sub-frame of uplink authorized under frequency spectrum, also
Comprise the sub-frame of uplink under unlicensed spectrum.
As the optional embodiment of one, determine that unit 502 determines that this target downlink subframe allows scheduling
The detailed description of the invention of at least two sub-frame of uplink can be:
Determine unit 502 according to currently employed target uplink and downlink timeslot configuration, and Preset Transfer time delay with
At least one in uplink signal-channel quality, determines that this target downlink subframe permits under target uplink and downlink timeslot configures
Permitted at least two sub-frame of uplink of scheduling.
As the optional embodiment of one, determine that unit 502 determines that this target downlink subframe allows scheduling
The detailed description of the invention of at least two sub-frame of uplink can be:
Determine that unit 502 presets mapping relations according to currently employed target uplink and downlink timeslot configuration and first,
Determine that this target downlink subframe allows at least two sub-frame of uplink of scheduling under target uplink and downlink timeslot configures,
Wherein, first preset mapping relations and include the lower descending sub frame of different uplink and downlink timeslot configuration and allow scheduling
The corresponding relation of sub-frame of uplink.
Signal generating unit 503, for according to above-mentioned at least two sub-frame of uplink, generates uplink scheduling information.
In the embodiment of the present invention, this uplink scheduling information can include but not limited to modulation coding mode, distribution
Resource Block, the information such as upper line index UL index.Wherein, the distribution of modulation coding mode and Resource Block can
To determine according to channel quality and/or scheduling strategy, UL index can serve to indicate that this target downlink subframe
The target sub-frame of uplink of actual schedule in above-mentioned at least two sub-frame of uplink, i.e. can be obtained by UL index
Know in this target downlink subframe in above-mentioned at least two sub-frame of uplink scheduling is which or which subframe.Its
In, target sub-frame of uplink can be one or more, can be to authorize the sub-frame of uplink under frequency spectrum, it is also possible to
It is the sub-frame of uplink under unlicensed spectrum, it is also possible to both comprised the sub-frame of uplink authorized under frequency spectrum, also comprised non-
Authorize the sub-frame of uplink under frequency spectrum.
As the optional embodiment of one, the bit length of UL index can be up by above-mentioned at least two
The number of subframe determines, it is preferred that can specify that the bit length of UL index is not less than above-mentioned at least two
The number of sub-frame of uplink.
As the optional embodiment of one, the bit length of UL index can be by currently employed target
Descending time slot configuration and second is preset mapping relations and is determined, second presets mapping relations includes different upper and lower
Row time slot configuration and the corresponding relation of bit length.Wherein, the UL that different uplink and downlink timeslot configurations is corresponding
The bit length of index can be different.
Transmitting element 504, for will carry the descending control of this uplink scheduling information in this target downlink subframe
Information processed sends to terminal.
See also the structural representation that Fig. 6, Fig. 6 are the another kind of base stations that the embodiment of the present invention provides, use
In the control method performing the data transmission that the embodiment of the present invention provides.Wherein, the base station shown in Fig. 6 be
On the basis of base station shown in Fig. 5, further optimization obtains.Compared with the base station shown in Fig. 5, Fig. 6 institute
In the base station shown, acquiring unit 501 may include that
Detection sub-unit 5011, be used for utilizing listem-before-talk LBT in unlicensed spectrum for transmitting descending son
The channel of frame detects；
Determine subelement 5012, for detecting in unlicensed spectrum for transmitting this when detection sub-unit 5011
When the channel of descending sub frame is idle channel, determine that this descending sub frame is target downlink subframe to be sent.
As the optional embodiment of one, the base station shown in Fig. 6 can also include:
Receive unit 505, be used for receiving terminal according to up in this Downlink Control Information on the object row subframe
The data of transmission.
Wherein, transmitting element 504 is sending the Downlink Control Information carrying uplink scheduling information to terminal
After, triggering command can be sent to receiving unit 505, receive terminal according to being somebody's turn to do with tactile transmission/reception unit 505
The data of Downlink Control Information uplink.
In the embodiment of the present invention, by implementing the base station shown in Fig. 5 and Fig. 6, can be at Downlink Control Information
Middle introducing UL index carrys out the sub-frame of uplink that indicating downlink subframe is specifically dispatched, to support that a descending sub frame is adjusted
Spend two or more sub-frame of uplink such that it is able to increase the probability that sub-frame of uplink is scheduled, effectively change
The ascending performance of kind system, promotes the resource utilization of system.
Based on the application scenarios shown in Fig. 1, the embodiment of the invention discloses another base station.Refer to Fig. 7,
Fig. 7 is the structural representation of another base station that the embodiment of the present invention provides, and is used for performing the embodiment of the present invention
The control method of the data transmission provided.As it is shown in fig. 7, this base station 700 may include that at least one
Reason device 701, such as CPU (Central Processing Unit, central processing unit), at least one inputs dress
Put 702, at least one output device 703, memorizer 704 assembly such as grade.Wherein, these assemblies can pass through
One or more bus 705 is communicatively coupled.It will be understood by those skilled in the art that shown in Fig. 7
The structure of base station is not intended that the restriction to the embodiment of the present invention, and it both can be busbar network, it is also possible to
It is hub-and-spoke configuration, it is also possible to include that ratio illustrates more or less of parts, or combine some parts, or
Different parts are arranged.Wherein:
In the embodiment of the present invention, input equipment 702 can include line interface, wave point etc., Ke Yiyong
In the data etc. receiving terminal uplink transmission.Output device 703 can include line interface, wave point etc.,
May be used for user equipment downlink transmission signal etc..
In the embodiment of the present invention, memorizer 704 can be high-speed RAM memorizer, it is also possible to be non-instability
Memorizer (non-volatile memory), for example, at least one disk memory.Memorizer 704 is optional
Can also is that at least one is located remotely from the storage device of aforementioned processor 701.As it is shown in fig. 7, memorizer
Can include application program and data etc. in 704, the embodiment of the present invention is not construed as limiting.
In the base station shown in Fig. 7, processor 701 may be used for calling the application program of storage in memorizer 704
To perform following operation:
When authorizing frequency spectrum auxiliary unlicensed spectrum to carry out uplink scheduling, obtain target downlink subframe to be sent,
And determine that this target downlink subframe allows at least two sub-frame of uplink of scheduling, wherein, this target downlink subframe
It is deployed in unlicensed spectrum；
According to above-mentioned at least two sub-frame of uplink, generating uplink scheduling information, this uplink scheduling information includes
Line index UL index, UL index are used for indicating this target downlink subframe at above-mentioned at least two sub-frame of uplink
The target sub-frame of uplink of middle scheduling；
Trigger output device 703 and will carry the descending control of this uplink scheduling information in this target downlink subframe
Information processed sends to terminal.
As the optional embodiment of one, processor 701 obtains the concrete of target downlink subframe to be sent
Embodiment can be:
Listem-before-talk LBT is utilized to detect for transmitting the channel of descending sub frame in unlicensed spectrum；
When detect in unlicensed spectrum for the channel that transmits this descending sub frame be idle channel time, determine this
Descending sub frame is target downlink subframe to be sent.
As the optional embodiment of one, processor 701 may call upon the application of storage in memorizer 704
Program, and perform following operation:
Trigger input equipment 702 and receive terminal according to up in this Downlink Control Information on the object row subframe
The data of transmission.
As the optional embodiment of one, processor 701 determines that this target downlink subframe allows scheduling extremely
The detailed description of the invention of few two sub-frame of uplink can be:
According to currently employed target uplink and downlink timeslot configuration, and the Preset Transfer of storage in memorizer 704
Time delay and at least one in uplink signal-channel quality, determine that this target downlink subframe is joined at target uplink and downlink timeslot
Put the lower at least two sub-frame of uplink allowing scheduling.
As the optional embodiment of one, processor 701 determines that this target downlink subframe allows scheduling extremely
The detailed description of the invention of few two sub-frame of uplink can be:
Preset according in currently employed target uplink and downlink timeslot configuration and memorizer 704 the first of storage and reflect
Penetrate relation, determine that this target downlink subframe allows at least two of scheduling under target uplink and downlink timeslot configures
Row subframe, wherein, first presets mapping relations includes the lower descending sub frame of different uplink and downlink timeslot configurations and permits
Permitted the corresponding relation of the sub-frame of uplink of scheduling.
As the optional embodiment of one, the bit length of UL index can be up by above-mentioned at least two
The number of subframe determines, it is preferred that can specify that the bit length of UL index is not less than above-mentioned at least two
The number of sub-frame of uplink.
As the optional embodiment of one, the bit length of UL index can be by currently employed target
In descending time slot configuration and memorizer 704, the second of storage presets mapping relations decision, and second presets mapping
Relation includes the corresponding relation of different uplink and downlink timeslot configurations and bit length.
In the embodiment of the present invention, by implementing the base station shown in Fig. 7, UL can be introduced in Downlink Control Information
Index carrys out the sub-frame of uplink that indicating downlink subframe is specifically dispatched, to support that a descending sub frame dispatches two or two
Individual above sub-frame of uplink such that it is able to increase the probability that sub-frame of uplink is scheduled, be effectively improved the upper of system
Row performance, promotes the resource utilization of system.
Based on the application scenarios shown in Fig. 1, the embodiment of the invention discloses a kind of terminal.Refer to Fig. 8, Fig. 8
It is the structural representation of a kind of terminal that the embodiment of the present invention provides, for performing what the embodiment of the present invention provided
The control method of data transmission.As shown in Figure 8, this terminal may include that
Receive unit 801, for carrying of receiving that base station sends in the target downlink subframe of unlicensed spectrum
The Downlink Control Information of uplink scheduling information, this uplink scheduling information includes line index UL index, UL
Index allows by the dispatch situation of at least two sub-frame of uplink of this target downlink subframe scheduling for indicating.
In the embodiment of the present invention, this uplink scheduling information is in addition to comprising UL index, it is also possible to include modulating-coding
Mode, the information such as Resource Block of distribution, the embodiment of the present invention is not construed as limiting.UL index can use N (N >=2)
Individual bit represents, the bit corresponding when certain sub-frame of uplink in above-mentioned at least two sub-frame of uplink is set to 1
Time, then may indicate that this sub-frame of uplink is scheduled；When certain sub-frame of uplink in above-mentioned at least two sub-frame of uplink
When corresponding bit is set to 0, then it is believed that this sub-frame of uplink is not scheduled.Wherein, above-mentioned at least two
Individual sub-frame of uplink can be to authorize the sub-frame of uplink under frequency spectrum, it is also possible to is the sub-frame of uplink under unlicensed spectrum,
Can also both comprise the sub-frame of uplink authorized under frequency spectrum, also comprise the sub-frame of uplink under unlicensed spectrum.
As the optional embodiment of one, the bit length of UL index can be by the up son of above-mentioned at least two
The number of frame determines, it is preferred that can specify that the bit length of UL index is up not less than above-mentioned at least two
The number of subframe.
As the optional embodiment of one, the bit length of UL index can be by the currently employed target in base station
Uplink and downlink timeslot configures and presets mapping relations and determines, default mapping relations include different uplink and downlink timeslots
Configuration and the corresponding relation of bit length.Wherein, the ratio of the UL index that different uplink and downlink timeslot configurations is corresponding
Bit length can be different.
Determining unit 802, for according to UL index, determine target sub-frame of uplink, wherein, this target is up
Subframe is that target is up by the sub-frame of uplink of this target downlink subframe scheduling in above-mentioned at least two sub-frame of uplink
Subframe can be one or more, can be to authorize the sub-frame of uplink under frequency spectrum, it is also possible to be unlicensed spectrum
Under sub-frame of uplink, it is also possible to both comprised the sub-frame of uplink authorized under frequency spectrum, also comprised under unlicensed spectrum
Sub-frame of uplink.
See also the structural representation that Fig. 9, Fig. 9 are the another kind of terminals that the embodiment of the present invention provides, use
In the control method performing the data transmission that the embodiment of the present invention provides.Wherein, the terminal shown in Fig. 9 is at figure
On the basis of terminal shown in 8, further optimization obtains.Compared with the terminal shown in Fig. 8, the end shown in Fig. 9
End can also include:
Transmitting element 803, for according in this Downlink Control Information on the object row subframe to base station up
Send data.
Specifically, transmitting element 803 can pass through in row subframe on the object according to this Downlink Control Information
PUSCH carries out uplink transmission data to base station.Wherein, upper under target sub-frame of uplink is unlicensed spectrum
During row subframe, before transmitting element 803 row subframe on the object carries out transmitting uplink data, need to utilize
LBT mechanism carries out the detection of channel status, is just transmitted when channel idle；When target sub-frame of uplink is for awarding
Power frequency spectrum under sub-frame of uplink time, transmitting element 803 can without carry out LBT Channel Detection can be in this target
Transmitting uplink data is carried out on sub-frame of uplink.
In the embodiment of the present invention, by implementing the terminal shown in Fig. 8 and Fig. 9, can resolve under the transmission of base station
Uplink scheduling information in row control information, according in this uplink scheduling information introduce UL index determine by
One or more sub-frame of uplink of scheduling, and in the sub-frame of uplink being scheduled, carry out transmitting uplink data, from
And the probability that sub-frame of uplink is scheduled can be increased, it is effectively improved the ascending performance of system, promotes the money of system
Source utilization rate.
Based on the application scenarios shown in Fig. 1, the embodiment of the invention discloses another terminal.Refer to Figure 10,
Figure 10 is the structural representation of another terminal that the embodiment of the present invention provides, and is used for performing the embodiment of the present invention
The control method of the data transmission provided.As shown in Figure 10, this terminal 1000 may include that at least one
Processor 1001, such as CPU, at least one input equipment 1002, at least one output device 1003,
Memorizer 1004 assembly such as grade.Wherein, these assemblies can be communicated by one or more bus 1005
Connect.It will be understood by those skilled in the art that the structure of the terminal shown in Figure 10 is not intended that the present invention
The restriction of embodiment, it both can be busbar network, it is also possible to be hub-and-spoke configuration, it is also possible to include than figure
Show more or less of parts, or combine some parts, or different parts are arranged.Wherein:
In the embodiment of the present invention, input equipment 1002 can include line interface, wave point etc., Ke Yiyong
In receiving the signal etc. that base station down sends.Output device 1003 can include line interface, wave point etc.,
May be used for base station uplink transmission data etc..
In the embodiment of the present invention, memorizer 1004 can be high-speed RAM memorizer, it is also possible to be non-instability
Memorizer (non-volatile memory), for example, at least one disk memory.Memorizer 1004 is optional
Can also is that at least one is located remotely from the storage device of aforementioned processor 1001.As shown in Figure 10, as one
Plant in the memorizer 1004 of computer-readable storage medium and can include operating system, application program and data etc., this
Inventive embodiments is not construed as limiting.
In the terminal shown in Figure 10, processor 1001 may be used for calling the application of storage in memorizer 1004
Program is to perform following operation:
That triggers that input equipment 1002 receives that base station sends in the target downlink subframe of unlicensed spectrum carries
The Downlink Control Information of uplink scheduling information, this uplink scheduling information includes line index UL index, UL
Index allows by the dispatch situation of at least two sub-frame of uplink of this target downlink subframe scheduling for indicating；
According to UL index, determining target sub-frame of uplink, this target sub-frame of uplink is the up son of above-mentioned at least two
By the sub-frame of uplink of this target downlink subframe scheduling in frame.
As the optional embodiment of one, what processor 1001 may call upon in memorizer 1004 storage should
Operate below program, and execution:
Trigger output device 1003 according in this Downlink Control Information on the object row subframe to base station up
Send data.
As the optional embodiment of one, the bit length of UL index can be up by above-mentioned at least two
The number of subframe determines, it is preferred that can specify that the bit length of UL index is not less than above-mentioned at least two
The number of sub-frame of uplink.
As the optional embodiment of one, the bit length of UL index can be by the currently employed mesh in base station
Put on descending time slot configuration and preset mapping relations decision, when default mapping relations include different up-downgoings
Gap configuration and the corresponding relation of bit length.
In the embodiment of the present invention, by implementing the terminal shown in Figure 10, the descending control that base station sends can be resolved
Uplink scheduling information in information processed, determines according to the UL index introduced in this uplink scheduling information and is scheduled
One or more sub-frame of uplink, and in the sub-frame of uplink being scheduled, carry out transmitting uplink data, it is thus possible to
Enough increase the probability that sub-frame of uplink is scheduled, be effectively improved the ascending performance of system, promote the resource profit of system
By rate.
Module in all embodiments of the invention or submodule, can pass through universal integrated circuit, such as CPU,
Or realized by ASIC (Application Specific Integrated Circuit, special IC).
It should be noted that for each embodiment of the method aforesaid, in order to be briefly described, therefore by its all table
Stating as a series of combination of actions, but those skilled in the art should know, the present invention is not by described
The restriction of sequence of movement because according to the application, certain some step can use other orders or simultaneously
Carry out.Secondly, those skilled in the art also should know, embodiment described in this description belongs to excellent
Select embodiment, necessary to involved action and module not necessarily the application.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, in certain embodiment the most in detail
The thin part described, may refer to the associated description of other embodiments.
Step in embodiment of the present invention method can carry out order according to actual needs and adjust, merges and delete.
Unit or subelement in embodiment of the present invention base station and terminal can merge according to actual needs,
Divide and delete.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method,
Can be by computer program and complete to instruct relevant hardware, described program can be stored in a calculating
In machine read/write memory medium, this program is upon execution, it may include such as the flow process of the embodiment of above-mentioned each method.
Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory,
Or random access memory (Random Access Memory, be called for short RAM) etc. ROM).
Control method and the relevant device of a kind of data transmission provided the embodiment of the present invention above have been carried out in detail
Thin introducing, principle and the embodiment of the present invention are set forth by specific case used herein, above
The explanation of embodiment is only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for ability
The those skilled in the art in territory, according to the thought of the present invention, the most all have
In place of change, in sum, this specification content should not be construed as limitation of the present invention.
Claims (22)
1. the control method of a data transmission, it is characterised in that be applied to authorize auxiliary to access LAA system
In system, described method includes:
Base station, when authorizing frequency spectrum auxiliary unlicensed spectrum to carry out uplink scheduling, obtains target downlink to be sent
Subframe, and determine that described target downlink subframe allows at least two sub-frame of uplink of scheduling, wherein, described mesh
Mark descending sub frame is deployed in unlicensed spectrum；
Described base station, according to described at least two sub-frame of uplink, generates uplink scheduling information, described uplink scheduling
Information includes that line index UL index, described UL index are used for indicating described target downlink subframe described
The target sub-frame of uplink of scheduling at least two sub-frame of uplink；
Described base station will carry the descending control letter of described uplink scheduling information in described target downlink subframe
Breath sends to terminal.
Method the most according to claim 1, it is characterised in that described base station obtains target to be sent
Descending sub frame, including:
Described base station utilizes listem-before-talk LBT to carry out for transmitting the channel of descending sub frame in unlicensed spectrum
Detection；
When detect in unlicensed spectrum for the channel that transmits described descending sub frame be idle channel time, described
Base station determines that described descending sub frame is target downlink subframe to be sent.
Method the most according to claim 1 and 2, it is characterised in that described method also includes:
Described base station receive described terminal according to described Downlink Control Information in described target sub-frame of uplink up
The data of transmission.
4. according to the method according to any one of claim 1-3, it is characterised in that described base station determines institute
State target downlink subframe and allow at least two sub-frame of uplink of scheduling, including:
Described base station is according to currently employed target uplink and downlink timeslot configuration, and Preset Transfer time delay is with up
At least one in channel quality, determines that described target downlink subframe is under described target uplink and downlink timeslot configures
Allow at least two sub-frame of uplink of scheduling.
5. according to the method according to any one of claim 1-3, it is characterised in that described base station determines institute
State target downlink subframe and allow at least two sub-frame of uplink of scheduling, including:
Mapping relations are preset, really according to currently employed target uplink and downlink timeslot configuration and first in described base station
Fixed described target downlink subframe allows the up son of at least two of scheduling under described target uplink and downlink timeslot configures
Frame, wherein, described first presets mapping relations includes the lower descending sub frame of different uplink and downlink timeslot configurations and permits
Permitted the corresponding relation of the sub-frame of uplink of scheduling.
6. according to the method according to any one of claim 1-5, it is characterised in that described UL index's
Bit length is determined by the number of described at least two sub-frame of uplink.
7. according to the method according to any one of claim 1-5, it is characterised in that described UL index's
Bit length is preset mapping relations by currently employed target uplink and downlink timeslot configuration and second and is determined, described
Second presets mapping relations includes the corresponding relation of different uplink and downlink timeslot configurations and bit length.
8. the control method of a data transmission, it is characterised in that be applied to authorize auxiliary to access LAA system
In system, described method includes:
What terminal reception base station sent in the target downlink subframe of unlicensed spectrum carries uplink scheduling information
Downlink Control Information, described uplink scheduling information includes that line index UL index, described UL index use
Allow by the dispatch situation of at least two sub-frame of uplink of described target downlink subframe scheduling in instruction；
Described terminal, according to described UL index, determines that target sub-frame of uplink, described target sub-frame of uplink are institute
State the sub-frame of uplink by described target downlink subframe scheduling at least two sub-frame of uplink.
Method the most according to claim 8, it is characterised in that described method also includes:
Described terminal according to described Downlink Control Information in described target sub-frame of uplink to up of described base station
Send data.
Method the most according to claim 8 or claim 9, it is characterised in that the bit of described UL index
Length is determined by the number of described at least two sub-frame of uplink.
11. methods according to claim 8 or claim 9, it is characterised in that the bit of described UL index
Length is by currently employed target uplink and downlink timeslot configuration and presets mapping relations decision, described default mapping
Relation includes the corresponding relation of different uplink and downlink timeslot configurations and bit length.
12. 1 kinds of base stations, it is characterised in that including:
Acquiring unit, for when authorizing frequency spectrum auxiliary unlicensed spectrum to carry out uplink scheduling, obtaining to be sent
Target downlink subframe, wherein, described target downlink subframe is deployed in unlicensed spectrum；
Determine unit, for determining that described target downlink subframe allows at least two sub-frame of uplink of scheduling；
Signal generating unit, for according to described at least two sub-frame of uplink, generates uplink scheduling information, described on
Row schedule information includes that line index UL index, described UL index are used for indicating described target downlink subframe
The target sub-frame of uplink of scheduling in described at least two sub-frame of uplink；
Transmitting element, for will carry the descending of described uplink scheduling information in described target downlink subframe
Control information sends to terminal.
13. base stations according to claim 12, it is characterised in that described acquiring unit includes:
Detection sub-unit, for utilize listem-before-talk LBT in unlicensed spectrum for transmitting descending sub frame
Channel detects；
Determine subelement, for when described detection sub-unit detect in unlicensed spectrum for transmit described under
When the channel of row subframe is idle channel, determine that described descending sub frame is target downlink subframe to be sent.
14. according to the base station described in claim 12 or 13, it is characterised in that described base station also includes:
Receive unit, be used for receiving described terminal according to described Downlink Control Information at described target sub-frame of uplink
The data of middle uplink.
15. according to the base station according to any one of claim 12-14, it is characterised in that described determine unit
Determine described target downlink subframe allow scheduling at least two sub-frame of uplink mode particularly as follows:
Described determine unit according to currently employed target uplink and downlink timeslot configuration, and Preset Transfer time delay with
At least one in uplink signal-channel quality, determines that described target downlink subframe is joined at described target uplink and downlink timeslot
Put the lower at least two sub-frame of uplink allowing scheduling.
16. according to the base station according to any one of claim 12-14, it is characterised in that described determine unit
Determine described target downlink subframe allow scheduling at least two sub-frame of uplink mode particularly as follows:
Described determine that unit is preset to map according to currently employed target uplink and downlink timeslot configuration and first and close
System, determines that described target downlink subframe allows at least two of scheduling under described target uplink and downlink timeslot configures
Sub-frame of uplink, wherein, described first presets mapping relations includes descending son under different uplink and downlink timeslot configurations
The corresponding relation of the sub-frame of uplink that frame is dispatched with permission.
17. according to the base station according to any one of claim 12-16, it is characterised in that described UL index
Bit length by described at least two sub-frame of uplink number determine.
18. according to the base station according to any one of claim 12-16, it is characterised in that described UL index
Bit length preset mapping relations by currently employed target uplink and downlink timeslot configuration and second and determine, institute
State second to preset mapping relations and include the corresponding relation of the configuration of different uplink and downlink timeslot and bit length.
19. 1 kinds of terminals, it is characterised in that including:
Receive unit, for carrying of receiving that base station sends in the target downlink subframe of unlicensed spectrum
The Downlink Control Information of row schedule information, described uplink scheduling information includes line index UL index, described
UL index allows by the scheduling feelings of at least two sub-frame of uplink of described target downlink subframe scheduling for indicating
Condition；
Determine unit, for according to described UL index, determine target sub-frame of uplink, the up son of described target
Frame is the sub-frame of uplink in described at least two sub-frame of uplink by described target downlink subframe scheduling.
20. terminals according to claim 19, it is characterised in that described terminal also includes:
Transmitting element, for according to described Downlink Control Information in described target sub-frame of uplink to described base station
Uplink data sending.
21. according to the terminal described in claim 19 or 20, it is characterised in that the ratio of described UL index
Bit length is determined by the number of described at least two sub-frame of uplink.
22. according to the terminal described in claim 19 or 20, it is characterised in that the ratio of described UL index
Bit length is by currently employed target uplink and downlink timeslot configuration and presets mapping relations decision, and described presetting is reflected
The relation of penetrating includes the corresponding relation of different uplink and downlink timeslot configurations and bit length.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610305169.7A CN105979602A (en) | 2016-05-10 | 2016-05-10 | Control method for data transmission and related equipment |
| PCT/CN2017/074934 WO2017193674A1 (en) | 2016-05-10 | 2017-02-27 | Method for controlling data transmission and related devices |
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| CN201610305169.7A CN105979602A (en) | 2016-05-10 | 2016-05-10 | Control method for data transmission and related equipment |
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| CN111148251A (en) * | 2019-12-25 | 2020-05-12 | 京信通信系统（中国）有限公司 | Data transmission method and device, computer equipment and storage medium |
| CN111656833A (en) * | 2018-03-09 | 2020-09-11 | 华为技术有限公司 | Method and device for transmitting data and computer readable storage medium |
| CN112203260A (en) * | 2016-11-03 | 2021-01-08 | 华为技术有限公司 | Data transmission method and device |
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| CN105979602A (en) * | 2016-05-10 | 2016-09-28 | 深圳市金立通信设备有限公司 | Control method for data transmission and related equipment |
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| US20120307744A1 (en) * | 2011-06-02 | 2012-12-06 | Renesas Mobile Corporation | Frequency Hopping In License-Exempt/Shared Bands |
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| CN111148251A (en) * | 2019-12-25 | 2020-05-12 | 京信通信系统（中国）有限公司 | Data transmission method and device, computer equipment and storage medium |
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| WO2017193674A1 (en) | 2017-11-16 |
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