CN106102168A

CN106102168A - The control method of a kind of data transmission and relevant device

Info

Publication number: CN106102168A
Application number: CN201610341448.9A
Authority: CN
Inventors: 王建中
Original assignee: Shenzhen Jinli Communication Equipment Co Ltd
Current assignee: Shenzhen Jinli Communication Equipment Co Ltd
Priority date: 2016-05-20
Filing date: 2016-05-20
Publication date: 2016-11-09
Also published as: WO2017197949A1

Abstract

Embodiments providing control method and the relevant device of the transmission of a kind of data, be applied to authorize auxiliary to access in LAA system, the method includes: base station, when authorizing frequency spectrum auxiliary unlicensed spectrum to carry out uplink scheduling, obtains target downlink subframe to be sent；Base station determines at least one sub-frame of uplink of described target downlink subframe scheduling；Base station, according at least one sub-frame of uplink described, generates uplink scheduling information, and described uplink scheduling information is used for indicating at least one sub-frame of uplink described；Described uplink scheduling information is sent to terminal on the physical mixed automatic re-transmission indicating channel PHICH that described target downlink subframe is corresponding by base station.Implement the embodiment of the present invention, it is possible to make a descending sub frame dispatch multiple sub-frame of uplink, effectively promote the resource utilization of system.

Description

The control method of a kind of data transmission and relevant device

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 provide more High network capacity.In order to meet growing network demand, expand on the basis of authorizing frequency spectrum and use unlicensed spectrum Become an important feasible direction.3GPP (3rd Generation Partnership Project, third generation affiliate Plan) tissue proposes LAA (Licensed Assisted Access, authorize auxiliary access) technology to realize at mandate frequency spectrum Auxiliary lower use unauthorized frequency spectrum resource.In order to make mandate frequency spectrum preferably coexist with unlicensed spectrum, in LAA system Introduce LBT (Listen Before Talk, listem-before-talk) mechanism, the most first carry out the prison of channel status Listen, it is judged that channel to be used is the most occupied, channel do not have occupied on the premise of just the resource of this channel is entered Row scheduling.

In LTE (Long Term Evolution, Long Term Evolution) system, the schedule information of sub-frame of uplink is typically logical Crossing what the Downlink Control Information (Downlink Control Information, DCI) of descending sub frame sent, general provision is each Descending sub frame one corresponding sub-frame of uplink of scheduling.But, under LBT mechanism, the descending of correspondence will be caused when channel is occupied Subframe cannot be carried out sending, so that the sub-frame of uplink that this descending sub frame is corresponding cannot be dispatched, thus reduces system resource Utilization rate.

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 a descending sub frame Dispatch multiple sub-frame of uplink, effectively promote 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 to access In LAA system, described method includes:

Base station, when authorizing frequency spectrum auxiliary unlicensed spectrum to carry out uplink scheduling, obtains target downlink subframe to be sent；

Described base station determines at least one sub-frame of uplink of described target downlink subframe scheduling；

Described base station, according at least one sub-frame of uplink described, generates uplink scheduling information, and described uplink scheduling information is used In instruction at least one sub-frame of uplink described；

Described base station on the physical mixed automatic re-transmission indicating channel PHICH that described target downlink subframe is corresponding by described Uplink scheduling information 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 to access In LAA system, described method includes:

Terminal receives what base station sent on the physical mixed automatic re-transmission indicating channel PHICH that target downlink subframe is corresponding Uplink scheduling information, described uplink scheduling information is for indicating at least one sub-frame of uplink of described target downlink subframe scheduling；

Described terminal, according to described uplink scheduling information, determines at least one sub-frame of uplink described.

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 target to be sent Descending sub frame；

Determine unit, for determining at least one sub-frame of uplink of described target downlink subframe scheduling；

Signal generating unit, for according at least one sub-frame of uplink described, generates uplink scheduling information, and described uplink scheduling is believed Breath is used for indicating at least one sub-frame of uplink described；

Transmitting element, for the physical mixed automatic re-transmission indicating channel PHICH corresponding in described target downlink subframe Described uplink scheduling information is sent to terminal.

Embodiment of the present invention fourth aspect provides a kind of terminal, including:

Receive unit, for receiving base station at physical mixed automatic re-transmission indicating channel corresponding to target downlink subframe The uplink scheduling information of the upper transmission of PHICH, described uplink scheduling information is for indicating described target downlink subframe scheduling at least One sub-frame of uplink；

Determine unit, for according to described uplink scheduling information, determine at least one sub-frame of uplink described.

In the embodiment of the present invention, authorizing auxiliary to access in LAA system, base station is entered in mandate frequency spectrum auxiliary unlicensed spectrum During row uplink scheduling, this target downlink subframe scheduling can be determined at least after getting target downlink subframe to be sent One sub-frame of uplink, and generate uplink scheduling information according at least one sub-frame of uplink above-mentioned, this uplink scheduling information is used for referring to Showing at least one sub-frame of uplink above-mentioned, base station can be up by this on the idle PHICH channel that this target downlink subframe is corresponding Schedule information sends to terminal, so that terminal can send upstream data according to the instruction of this uplink scheduling information.Visible, real Execute the embodiment of the present invention, downstream feedback can not carried out in ascending HARQ transmitting procedure and carry out on the PHICH channel of free time Many subframe schedulings, to support that a descending sub frame dispatches multiple sub-frame of uplink simultaneously such that it is able to increases sub-frame of uplink and is scheduled Probability, improve the signalling efficiency of LAA system, and be effectively improved the ascending performance of system, promote the resource utilization of system.

Accompanying drawing explanation

For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below by use required in embodiment Accompanying drawing is briefly described, it should be apparent that, the accompanying drawing in describing below is some embodiments of the present invention, general for this area From the point of view of logical technical staff, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing 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 clear, complete Describe, it is clear that described embodiment is a part of embodiment of the present invention rather than whole embodiments wholely.Based on this Embodiment in bright, the every other enforcement that those of ordinary skill in the art are obtained under not making creative work premise Example, 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 transmit at ascending HARQ During do not carry out downstream feedback and on the PHICH channel of free time, carry out many subframe schedulings, to support that a descending sub frame is simultaneously Dispatch multiple sub-frame of uplink such that it is able to increase the probability that sub-frame of uplink is scheduled, improve the signalling efficiency of LAA system, and It is effectively improved the ascending performance of system, promotes the resource utilization of system.It is described in detail individually below.

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 retouched State.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 the application scenarios shown in Fig. 1 In, including base station and at least one terminal, wherein, base station can be communicatively coupled with multiple terminals.Terminal can include moving Start machine, panel computer, palm PC, personal digital assistant (Personal Digital Assistant, PDA), movement mutually Networked devices (Mobile Internet Device, MID), Intelligent worn device (such as intelligent watch, Intelligent bracelet etc.) etc. are each Terminal Type, the embodiment of the present invention is not construed as limiting.In the application scenarios shown in Fig. 1, in order to meet peak rate and the net of user The requirement of network capacity boost, can introduce carrier aggregation (Carrier Aggregation, CA) technology, by multiple continuously or not Continuous print carrier aggregation together, thus increases the transmission bandwidth of system, effectively promotes downstream transmission speed.But, due to Mandate frequency spectrum resource is limited, increasingly can not meet growing customer group, therefore, it can by using unlicensed spectrum Carry out spread-spectrum resource.In order to realize using unlicensed spectrum under the auxiliary authorizing frequency spectrum, introduce mandate auxiliary and access LAA Technology.In LAA system, owing to introducing unlicensed spectrum, needs consideration mandate frequency spectrum coexists with unlicensed spectrum, because of This, need the use rule listem-before-talk LBT mechanism in accordance with unlicensed spectrum.

In the embodiment of the present invention, when base station and terminal carry out data transmission, owing to introducing LBT mechanism, base station is in scheduling Or before transmission data, need first to carry out the monitoring of channel status, to judge the busy-idle condition of channel, if channel status is empty Not busy state, 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, include uplink and downlink timeslot configuration 0～6 totally seven kinds of time slot configuration, The distribution of the ascending-descending subframes that the configuration of each uplink and downlink timeslot is corresponding 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, uses descending sub frame to carry out dispatching uplink subframe in LTE system, and specify each descending sub frame dispatch one corresponding up Subframe, i.e. one-to-one relationship.And 0 is configured for uplink and downlink timeslot, 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 can be scheduled, then one descending sub frame two sub-frame of uplink of scheduling of regulation, can introduce a length of " UL index " field of 2bit indicates.Owing to introducing LBT mechanism in LAA system, need elder generation before scheduling Carrying out the detection of channel status, when channel is occupied, then descending sub frame cannot be carried out uplink scheduling, and then cannot dispatch correspondence Sub-frame of uplink carry out uplink so that the ascending performance of LAA system reduces.

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 the upper of system Row performance, the embodiment of the present invention have employed a descending sub frame can dispatch the scheme of multiple sub-frame of uplink.In LAA system, 0～6 is configured for uplink and downlink timeslot, it is stipulated that a descending sub frame can dispatch multiple sub-frame of uplink.Meanwhile, in LAA system, Specify to pass in uplink synchronous or asynchronous HARQ (Hybrid Automatic Repeat reQuest, hybrid automatic repeat-request) Downstream feedback is not carried out, therefore, for the channel PHICH (Physical of the downstream feedback of ascending HARQ during defeated Hybrid-ARQ Indicator Channel, physical mixed automatic re-transmission indicating channel) it is idle condition.In this free time PHICH channel transmits uplink scheduling information, to carry out up many subframe schedulings, dispatches realizing a descending sub frame simultaneously Multiple sub-frame of uplink.By implementing the program, PHICH channel idle in LAA system is make use of to carry out uplink scheduling, Ke Yibao Barrier sub-frame of uplink is fully dispatched on the premise of LBT, is effectively improved the ascending performance of system, promotes the utilization of resources of system Rate.

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 Fig. 2, Fig. 2 are the schematic flow sheets of the control method of a kind of data transmission that the embodiment of the present invention provides.Wherein, these data transmission Control method be applied in LAA system, as in figure 2 it is shown, these data transmission control method may comprise steps of:

201, base station is when authorizing frequency spectrum auxiliary unlicensed spectrum to carry out uplink scheduling, obtains target downlink to be sent Frame.

In the embodiment of the present invention, in LAA system, when base station to carry out up tune authorizing frequency spectrum auxiliary unlicensed spectrum Degree or during downlink transfer, can first obtain target downlink subframe, wherein, target downlink subframe for can carry out data message and/ Or the descending sub frame that the information of control sends, the channel that target downlink subframe correspondence uses is now idle condition.Wherein, this target Descending sub frame can be deployed in unlicensed spectrum, and in other words, the carrier wave carrying this target downlink subframe is deployed in unauthorized frequency Spectrum；This target downlink subframe can also be deployed on mandate frequency spectrum, and the embodiment of the present invention is not construed as limiting.

As the optional embodiment of one, when this target downlink subframe is deployed in unlicensed spectrum, step 201 base The detailed description of the invention of the target downlink subframe that acquisition of standing is to be sent may comprise steps of:

21) base station utilizes listem-before-talk LBT to detect for transmitting the channel of descending sub frame in unlicensed spectrum；

22) when detect in unlicensed spectrum for the channel that transmits this descending sub frame be idle channel time, base station determines This descending sub frame is target downlink subframe to be sent.

In this embodiment, in order to make mandate frequency spectrum preferably coexist with unlicensed spectrum, introduce in LAA system LBT mechanism, before base station carries out uplink scheduling or downlink transfer in unlicensed spectrum, first with LBT mechanism to unauthorized frequency The channel being used for transmitting a certain descending sub frame in spectrum carries out state-detection, when detecting that this channel is the most occupied, then and can be right The channel that next descending sub frame is corresponding carries out state-detection；When the state this channel being detected is idle condition (the most unoccupied) Time, then this descending sub frame can be defined as target downlink subframe, base station can carry out on this descending sub frame uplink scheduling or Downlink transfer.Specifically, base station can utilize LBT mechanism in unlicensed spectrum for transmitting the channel PDCCH of descending sub frame (Physical Downlink Control Channel, Physical Downlink Control Channel) carries out state-detection, to judge to be somebody's turn to do Whether PDCCH is in idle condition, if idle condition, then can be transmitted on this descending sub frame.

As the optional embodiment of one, when this target downlink subframe is deployed on mandate frequency spectrum, base station can root Target downlink subframe to be sent is determined according to information such as Preset Transfer agreement and/or channel qualities.

202, base station determines at least one sub-frame of uplink of this target downlink subframe scheduling.

In the embodiment of the present invention, when base station gets the target downlink subframe that can be controlled information transmission, permissible Further determine that at least one sub-frame of uplink of this target downlink subframe actual schedule.Wherein, at least one sub-frame of uplink above-mentioned Can be to authorize the sub-frame of uplink under frequency spectrum, it is also possible to be the sub-frame of uplink under unlicensed spectrum, it is also possible to both comprised mandate frequency Sub-frame of uplink under Pu, also comprises the sub-frame of uplink under unlicensed spectrum, and the embodiment of the present invention is not construed as limiting.

As the optional embodiment of one, step 202 base station determine this target downlink subframe scheduling at least one on The detailed description of the invention of row subframe may comprise steps of:

23) base station is according to currently employed target uplink and downlink timeslot configuration, and Preset Transfer time delay and up channel matter At least one in amount, determines this target downlink subframe at least one up son at target uplink and downlink timeslot configuration dispatching Frame.

In this embodiment, the target uplink and downlink timeslot configuration that base station is currently employed can be uplink and downlink timeslot configuration 0 ～the one of which in 6, the descending sub frame that different uplink and downlink timeslot configurations is corresponding is different from the distribution condition of sub-frame of uplink.In advance If propagation delay time can be the minimal time delay of downlink transfer feedback, general provision is 4 milliseconds (ms), and different uplink and downlink timeslots is joined The Preset Transfer time delay putting correspondence can be different.Specifically, if base station is at n-th (n is the integer more than or equal to 0) individual descending son When carrying out downlink transfer on frame, then the sub-frame of uplink that this n-th descending sub frame can be dispatched can be the n-th+k (k >=4) individual on Row subframe.

In this embodiment, the quality of up channel, before carrying out uplink scheduling, can first be known in base station, if on Row channel quality is preferable, then can be scheduling；Poor if up channel quality, then can not be scheduling.Base station is permissible SRS (Sounding Reference Signal, detection reference signal) according to terminal to report knows current up channel Quality.Base station, under currently employed target uplink and downlink timeslot configuration, can take Preset Transfer time delay and up channel into consideration At least one information in quality determines at least one sub-frame of uplink that this target downlink subframe can be dispatched.

For example, referring to Fig. 3, Fig. 3 is a kind of descending sub frame dispatching uplink subframe that the embodiment of the present invention provides Schematic diagram.The frame structure corresponding to uplink and downlink timeslot configuration 0 shown in Fig. 3, base station can get pending by LBT mechanism The target downlink subframe sent is subframe 0, and detects that subframe 1, subframe 5 and subframe 6 are the most occupied, here can be by special son Frame S sees descending sub frame as.Further, base station configures 0 time at uplink and downlink timeslot, can be in conjunction with Preset Transfer time delay (if not Less than 4ms) and/or uplink signal-channel quality determine that the sub-frame of uplink that subframe 0 is dispatched is subframe 4 and subframe 7～9 totally 4 sons Frame.

24) mapping relations according to currently employed target uplink and downlink timeslot configuration and are preset in base station, determine under this target Row subframe is at least one sub-frame of uplink of target uplink and downlink timeslot configuration dispatching, and wherein, these default mapping relations include not The same lower descending sub frame of uplink and downlink timeslot configuration and the corresponding relation of the sub-frame of uplink of scheduling.

In this embodiment, target uplink and downlink timeslot configuration can include uplink and downlink timeslot configuration 0～6 in any one Kind.Preset the lower descending sub frame of uplink and downlink timeslot configurations different in mapping relations permissible with the corresponding relation of the sub-frame of uplink of scheduling The sub-frame of uplink of the different descending sub frames scheduling under difference, and the configuration of same uplink and downlink timeslot can be different, it is also possible to identical.Base Stand and can find out target uplink and downlink timeslot from default mapping relations join according to currently employed target uplink and downlink timeslot configuration Put the sub-frame of uplink of lower different descending sub frame correspondence scheduling, so that it is determined that go out the sub-frame of uplink of this target downlink subframe scheduling. Such as, as it is shown on figure 3, presetting the sub-frame of uplink indicating uplink and downlink timeslot to configure 0 time corresponding scheduling of subframe 0 in mapping relations is son Frame 4 and subframe 7～9.

203, base station is according at least one sub-frame of uplink above-mentioned, generates uplink scheduling information.

In the embodiment of the present invention, this uplink scheduling information is used for indicating at least one sub-frame of uplink above-mentioned, this uplink scheduling Information contains the information of at least one sub-frame of uplink above-mentioned.

Specifically, this uplink scheduling information can include but not limited at least one in situations below: above-mentioned at least one The initial subframe position of individual sub-frame of uplink and end subframe position；Or, the initial subframe position of at least one sub-frame of uplink above-mentioned Put the number of sub-frames (or persistence length) with at least one sub-frame of uplink above-mentioned；Or, at least one sub-frame of uplink above-mentioned The frame number set of all subframes.Such as, as it is shown on figure 3, work as uplink and downlink timeslot to configure the sub-frame of uplink of 0 time corresponding scheduling of subframe 0 During for subframe 4 and subframe 7～9, base station can generate uplink scheduling information according to subframe 4 and subframe 7～9, and this uplink scheduling is believed Breath can include initial subframe position (subframe 4) and terminate subframe position (subframe 9), is now applicable to the sub-frame of uplink of scheduling even (owing to subframe 5 and 6 is descending sub frame, so subframe 4 and subframe 7～9 are 4 sub-frame of uplink of the continuous print) situation continued；Or, Initial subframe position (subframe 4) and number of sub-frames (4) can be included, be now also applied for the sub-frame of uplink continuous print feelings of scheduling Condition；Or, can include subframe frame number set 4,7,8,9}, and now be applicable to scheduling sub-frame of uplink continuously or discontinuously Situation.Additionally, this uplink scheduling information is in addition to can including above-mentioned situation, it is also possible to include other expression waies, it is used for referring to Show at least one sub-frame of uplink above-mentioned, as included initial subframe position, terminating subframe position and number of sub-frames etc. simultaneously；And for example, Can obtain the number of sub-frame of uplink under the configuration of target uplink and downlink timeslot, this uplink scheduling information can carry out table with bit Showing, its bit length is consistent with the number of the sub-frame of uplink under the configuration of target uplink and downlink timeslot, when scheduling which or which is up During subframe, then it is 1 by the sub-frame of uplink set being scheduled；For another example, this uplink scheduling information includes the initial subframe position being scheduled Put and terminate subframe position, and the bit length of this uplink scheduling information is initial subframe and terminates sub-frame of uplink between subframe Number (includes initial subframe and terminates subframe), then the sub-frame of uplink set being scheduled is 1, is now applicable to the up of scheduling The continuous or discrete situation of subframe.

204, base station is up by this on the physical mixed automatic re-transmission indicating channel PHICH that this target downlink subframe is corresponding Schedule information sends to terminal.

In the embodiment of the present invention, a descending sub frame corresponding can have the PDCCH channel controlling information for downlink transfer Outward, it is also possible to correspondence has the PHICH channel of the downstream feedback for carrying out ascending HARQ.In LTE system, it is stipulated that on carrying out Row HARQ procedure need to carry out on PHICH channel corresponding downstream feedback.And in LAA system, it is stipulated that terminal is on carrying out After not carrying out the data that downstream feedback, i.e. base station receive terminal uplink transmission during row HARQ transmission, this is received Data do not carry out corresponding downstream feedback, thus the PHICH channel of the downstream feedback for carrying out ascending HARQ is then idle. Therefore, it can carry out the transmission of uplink scheduling information on the PHICH channel of this free time, to realize up many subframe schedulings.Can Choosing, when the PHICH channel that this target downlink subframe is corresponding is busy channel, can take while sending downstream feedback Carry this uplink scheduling information, now, then need additionally to increase the instruction resource of this uplink scheduling information.

In the embodiment of the present invention, the method described by Fig. 2 can also comprise the following steps:

25) base station is according at least one sub-frame of uplink above-mentioned, generates Downlink Control Information；

26) base station in the physical downlink control channel PDCCH that this target downlink subframe is corresponding by this Downlink Control Information Send to terminal.

Wherein, this Downlink Control Information DCI is for indicating the resource letter that at least one sub-frame of uplink above-mentioned is corresponding when transmitting Breath, wherein, this resource information can include but not limited to the physical resource that at least one sub-frame of uplink above-mentioned is shared when transmitting The information of block (Physical Resource Block, PRB) (is the Resource Block of at least one sub-frame of uplink above-mentioned distribution Information) information such as the modulation coding mode corresponding with at least one sub-frame of uplink above-mentioned.The information of the Resource Block of distribution can be wrapped Include the information such as the mark of Resource Block, size and/or number.This Downlink Control Information separately sends with uplink scheduling information, Downlink Control Information is transmitted by the PDCCH channel that this target downlink subframe is corresponding, and uplink scheduling information is by this mesh The PHICH channel that mark descending sub frame is corresponding is transmitted, and both can send simultaneously or successively, and the embodiment of the present invention does not limits Fixed.Wherein, the distribution of modulation coding mode and Resource Block can determine according to channel quality and/or scheduling strategy.

Additionally, Downlink Control Information can be all subframes pair comprising at least one sub-frame of uplink above-mentioned being scheduled The resource information answered, i.e. one DCI may indicate that all sub-frame of uplink being scheduled；Downlink Control Information can also repeatedly be sent out Sending, each DCI only indicates a sub-frame of uplink being scheduled, as DCI1 indicates the subframe 4 being scheduled, DCI2 instruction to be scheduled Subframe 7 etc..

In the embodiment of the present invention, base station is after terminal has sent uplink scheduling information and Downlink Control Information, described by Fig. 2 Method can also comprise the following steps:

27) base station receives terminal according to this uplink scheduling information and this Downlink Control Information at least one up son above-mentioned The data of uplink in frame.

Wherein, terminal is received uplink scheduling information that base station sent by PHICH channel and is sent out by PDCCH channel After the Downlink Control Information sent, uplink scheduling information and Downlink Control Information are resolved, with obtain be scheduled above-mentioned extremely A few sub-frame of uplink and corresponding modulation coding mode, the information such as Resource Block of distribution, thus at least one is up above-mentioned Uplink is carried out in subframe.Specifically, base station receives terminal according to this uplink scheduling information and this Downlink Control Information upper (Physical Uplink Shared Channel, physical uplink shares letter to state PUSCH corresponding at least one sub-frame of uplink Road) in carry out the data of uplink.Wherein, when at least one sub-frame of uplink above-mentioned exists the up son under unlicensed spectrum During frame, before terminal carries out transmitting uplink data on this sub-frame of uplink, LBT mechanism is utilized to carry out the detection of channel status, Just it is transmitted during channel idle；When at least one sub-frame of uplink above-mentioned exists the sub-frame of uplink authorized under frequency spectrum, terminal Transmitting uplink data can be carried out on this sub-frame of uplink without carrying out LBT Channel Detection.

In the method described by Fig. 2, when authorizing frequency spectrum auxiliary unlicensed spectrum to carry out uplink scheduling, base station can be After getting target downlink subframe to be sent, it may be determined that at least one sub-frame of uplink of this target downlink subframe scheduling, and Generate uplink scheduling information according at least one sub-frame of uplink above-mentioned, this uplink scheduling information be used for indicating above-mentioned at least one Row subframe, this uplink scheduling information can be sent to end on the idle PHICH channel that this target downlink subframe is corresponding by base station End, so that terminal can send upstream data according to the instruction of this uplink scheduling information.By implementing the side described by Fig. 2 Method, can not carry out downstream feedback in ascending HARQ transmitting procedure and carry out many subframe schedulings on the PHICH channel of free time, with Support that a descending sub frame dispatches multiple sub-frame of uplink simultaneously such that it is able to increase the probability that sub-frame of uplink is scheduled, improve The signalling efficiency of LAA system, and it is 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 control method of another kind of data transmission.Please join Read the schematic flow sheet that Fig. 4, Fig. 4 are the control methods of the another kind of data transmission that the embodiment of the present invention provides.Wherein, these data The control method of transmission is applied in LAA system, and as shown in Figure 4, the control method of these data transmission may comprise steps of:

401, terminal reception base station is sent out on the physical mixed automatic re-transmission indicating channel PHICH that target downlink subframe is corresponding The uplink scheduling information sent, this uplink scheduling information is for indicating at least one sub-frame of uplink of this target downlink subframe scheduling.

In the embodiment of the present invention, this target downlink subframe is deployed in the subframe that can be to be deployed in unlicensed spectrum, also Can be to be deployed in the subframe authorized on frequency spectrum, the embodiment of the present invention be not construed as limiting.Under base station gets target to be sent Row subframe, and after determining at least one sub-frame of uplink of this target downlink subframe scheduling, base station can generate up further Schedule information, this uplink scheduling information is used for indicating at least one sub-frame of uplink above-mentioned, and by this uplink scheduling information by being somebody's turn to do PHICH channel corresponding to target downlink subframe sends to terminal, so that terminal can receive this up tune that base station sends Degree information.Wherein, PHICH channel is not carry out downstream feedback and the channel of free time in ascending HARQ transmits.Now, base station is worked as The uplink and downlink timeslot configuration of front employing can be any one in uplink and downlink timeslot configuration 0～6.

In the embodiment of the present invention, at least one sub-frame of uplink above-mentioned 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 under unlicensed spectrum Sub-frame of uplink, the embodiment of the present invention is not construed as limiting.

Specifically, this uplink scheduling information can include but not limited at least one in situations below: above-mentioned at least one The initial subframe position of individual sub-frame of uplink and end subframe position；Or, the initial subframe position of at least one sub-frame of uplink above-mentioned Put the number of sub-frames (or persistence length) with at least one sub-frame of uplink above-mentioned；Or, at least one sub-frame of uplink above-mentioned The frame number set of all subframes.Additionally, this uplink scheduling information is in addition to can including above-mentioned situation, it is also possible to include that other are expressed Mode, the embodiment of the present invention is not construed as limiting.

402, terminal is according to this uplink scheduling information, determines at least one sub-frame of uplink above-mentioned.

In the embodiment of the present invention, this uplink scheduling information, after receiving this uplink scheduling information, can be carried out by terminal Resolving, to parse at least one sub-frame of uplink above-mentioned being scheduled of instruction in this uplink scheduling information, thus terminal is permissible Determine that at least one sub-frame of uplink above-mentioned is the subframe being scheduled.Such as, as it is shown on figure 3, work as the sub-frame of uplink of subframe 0 scheduling During for subframe 4 and subframe 7～9 totally 4 subframes, if this uplink scheduling information comprises initial subframe position (subframe 4) and knot Bundle subframe position (subframe 9), then terminal can determine according to this uplink scheduling information that the sub-frame of uplink being scheduled is subframe 4 He Subframe 7～9；If comprising initial subframe position (subframe 4) and number of sub-frames (4) in this uplink scheduling information, then terminal is also Can determine according to this uplink scheduling information that the sub-frame of uplink being scheduled is subframe 4 and subframe 7～9；If this uplink scheduling Information comprises the subframe of scheduling frame number set 4,7,8,9}, then terminal can according to this uplink scheduling information determine by The sub-frame of uplink of scheduling is subframe 4 and subframe 7～9.

In the embodiment of the present invention, the method described by Fig. 4 can also comprise the following steps:

41) under terminal reception base station sends in the physical downlink control channel PDCCH that this target downlink subframe is corresponding Row control information.

Wherein, this Downlink Control Information DCI is for indicating the resource letter that at least one sub-frame of uplink above-mentioned is corresponding when transmitting Breath, this resource information can include the information of the Physical Resource Block PRB shared when transmitting of at least one sub-frame of uplink above-mentioned, i.e. For the information of the Resource Block of at least one sub-frame of uplink above-mentioned distribution, the mark of Resource Block, size and/or number etc. can be included Information.This resource information except comprise at least one sub-frame of uplink above-mentioned distribution resource block information in addition to, it is also possible to include above-mentioned extremely The information such as the modulation coding mode that a few sub-frame of uplink is corresponding, the embodiment of the present invention is not construed as limiting.

In the embodiment of the present invention, terminal receive base station send uplink scheduling information and Downlink Control Information after, Fig. 4 Described method can also comprise the following steps:

42) terminal according to this uplink scheduling information and this Downlink Control Information at least one sub-frame of uplink above-mentioned to base Stand uplink data sending.

Wherein, terminal is corresponding at least one sub-frame of uplink above-mentioned with this Downlink Control Information according to this uplink scheduling information PUSCH channel in carry out uplink data sending to base station.Specifically, terminal can be descending with this according to this uplink scheduling information Control information, each sub-frame of uplink at least one sub-frame of uplink above-mentioned is according to corresponding modulation coding mode, in distribution Resource Block on to base station uplink data sending.Wherein, the sub-frame of uplink under the sub-frame of uplink being scheduled is unlicensed spectrum Time, before terminal carries out transmitting uplink data on this sub-frame of uplink, utilize LBT mechanism to carry out the detection of channel status, at letter Road was just transmitted during the free time；When this sub-frame of uplink is to authorize the sub-frame of uplink under frequency spectrum, terminal can be without carrying out LBT letter Road detection can carry out transmitting uplink data on this sub-frame of uplink.

In the embodiment of the present invention, by implementing the method described by Fig. 4, terminal can receive and parse through base station by upper The uplink scheduling information not carrying out downstream feedback in row HARQ transmission and send on the PHICH channel of free time, according to this up tune Degree information determines the one or more sub-frame of uplink being scheduled, to realize carrying out upstream data in the sub-frame of uplink being scheduled Transmission such that it is able to increase the probability that sub-frame of uplink is scheduled, improve the signalling efficiency of LAA system, and 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 a kind of base station.Referring to Fig. 5, Fig. 5 is this The structural representation of a kind of base station that bright embodiment provides, for performing the controlling party of the data transmission that the embodiment of the present invention provides Method.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 mesh to be sent Mark descending sub frame.

In the embodiment of the present invention, target downlink subframe is can carry out that data message and/or control information sends descending Subframe, the channel that target downlink subframe correspondence uses is now idle condition.Wherein, this target downlink subframe can be deployed in non- Authorize frequency spectrum, it is also possible to be deployed in mandate frequency spectrum.

Determine unit 502, for determining at least one sub-frame of uplink of this target downlink subframe scheduling.

As the optional embodiment of one, determine unit 502 determine this target downlink subframe scheduling at least one on The detailed description of the invention of row subframe can be:

Determine unit 502 according to currently employed target uplink and downlink timeslot configuration, and Preset Transfer time delay and up letter At least one in road quality, determine this target downlink subframe target uplink and downlink timeslot configuration dispatching at least one is up Subframe.Wherein, the configuration of this target uplink and downlink timeslot can include that uplink and downlink timeslot configures any one in 0～6.

Determine that unit 502 according to currently employed target uplink and downlink timeslot configuration and presets mapping relations, determine this mesh Mark descending sub frame is at least one sub-frame of uplink of target uplink and downlink timeslot configuration dispatching, wherein, this default mapping relations bag Include the corresponding relation of the lower descending sub frame of different uplink and downlink timeslot configurations and the sub-frame of uplink of scheduling.Wherein, this target up-downgoing Time slot configuration can include any one in uplink and downlink timeslot configuration 0～6.

Signal generating unit 503, for according at least one sub-frame of uplink above-mentioned, generates uplink scheduling information.

As the optional embodiment of one, this uplink scheduling information can include but not limited in situations below at least A kind of:

The initial subframe position of at least one sub-frame of uplink above-mentioned and end subframe position；Or,

The number of sub-frames of the initial subframe position of at least one sub-frame of uplink above-mentioned and at least one sub-frame of uplink above-mentioned (or Persistence length)；Or,

The frame number set of all subframes at least one sub-frame of uplink above-mentioned.

Transmitting element 504, for the physical mixed automatic re-transmission indicating channel PHICH corresponding in this target downlink subframe This uplink scheduling information is sent to terminal.

In the embodiment of the present invention, in LTE system, PHICH channel for carrying out the downstream feedback of ascending HARQ, and In LAA system, during ascending HARQ, on PHICH channel, do not carry out downstream feedback, so that the PHICH channel of correspondence Free time, therefore, it can carry out the transmission of uplink scheduling information on the PHICH channel of this free time, to realize up many subframes tune Degree.

As the optional embodiment of one, when this target downlink subframe is deployed in unlicensed spectrum, join the most in the lump Readding the structural representation that Fig. 6, Fig. 6 are the another kind of base stations that the embodiment of the present invention provides, being used for performing the embodiment of the present invention provides Data transmission control method.Wherein, the base station shown in Fig. 6 is to optimize further on the basis of the base station shown in Fig. 5 Arrive.Compared with the base station shown in Fig. 5, in the base station shown in Fig. 6, acquiring unit 501 may include that

Detection sub-unit 5011, for utilize listem-before-talk LBT in unlicensed spectrum for transmitting the letter of descending sub frame Road detects；

Determine subelement 5012, for detecting in unlicensed spectrum for transmitting this descending son when detection sub-unit 5011 When the channel of frame is idle channel, determine that this descending sub frame is target downlink subframe to be sent.

In the embodiment of the present invention, signal generating unit 503, it is also possible to be used for according at least one sub-frame of uplink above-mentioned, under generation Row control information.

Wherein, this Downlink Control Information is used for indicating the resource information that at least one sub-frame of uplink above-mentioned is corresponding when transmitting, This resource information can include but not limited to the information of the Physical Resource Block PRB shared by least one sub-frame of uplink above-mentioned and upper State the information such as modulation coding mode corresponding at least one sub-frame of uplink.

Correspondingly, transmitting element 504, it is additionally operable in physical downlink control channel PDCCH corresponding to this target downlink subframe On by this Downlink Control Information send to terminal.

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 this uplink scheduling information and this Downlink Control Information above-mentioned at least The data of uplink in one sub-frame of uplink.

Wherein, transmitting element 504 is after having sent to terminal and having carried uplink scheduling information and Downlink Control Information, permissible Send triggering command to receiving unit 505, receive terminal with tactile transmission/reception unit 505 descending with this according to this uplink scheduling information Control the data of uplinks information.

In the embodiment of the present invention, by implementing the base station shown in Fig. 5 and Fig. 6, can in ascending HARQ transmitting procedure not Carry out downstream feedback and on the PHICH channel of free time, carry out many subframe schedulings, to support that a descending sub frame is dispatched multiple simultaneously Sub-frame of uplink such that it is able to increase the probability that sub-frame of uplink is scheduled, improve the signalling efficiency of LAA system, and be effectively improved The ascending performance of 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.Referring to Fig. 7, Fig. 7 is this The structural representation of another base station that inventive embodiments provides, for performing the control of the data transmission that the embodiment of the present invention provides Method processed.As it is shown in fig. 7, this base station 700 may include that at least one processor 701, such as CPU (Central Processing Unit, central processing unit), at least one input equipment 702, at least one output device 703, memorizer 704 Deng assembly.Wherein, these assemblies can be communicatively coupled by one or more bus 705.Those skilled in the art are permissible Understanding, the structure of the base station shown in Fig. 7 is not intended that the restriction to the embodiment of the present invention, and it both can be busbar network, Can also be 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., may be used for receiving eventually The data etc. of end uplink.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-labile memorizer (non-volatile memory), for example, at least one disk memory.Memorizer 704 optionally can also is that at least one It is located remotely from the storage device of aforementioned processor 701.As it is shown in fig. 7, memorizer 704 can include application program and data Deng, 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 stored in memorizer 704 to hold The following operation of row:

When authorizing frequency spectrum auxiliary unlicensed spectrum to carry out uplink scheduling, obtain target downlink subframe to be sent, this mesh Mark descending sub frame can be deployed in unlicensed spectrum or authorize frequency spectrum；

Determine at least one sub-frame of uplink of this target downlink subframe scheduling；

According at least one sub-frame of uplink above-mentioned, generating uplink scheduling information, this uplink scheduling information is used for indicating above-mentioned At least one sub-frame of uplink；

Trigger output device 703 on the physical mixed automatic re-transmission indicating channel PHICH that this target downlink subframe is corresponding Sending this uplink scheduling information to terminal, wherein, PHICH is not for carry out in uplink hybrid automatic repeat request HARQ transmission Downstream feedback and the channel of free time.

As the optional embodiment of one, when this target downlink subframe is deployed in unlicensed spectrum, processor 701 The detailed description of the invention obtaining target downlink subframe to be sent 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 son Frame is target downlink subframe to be sent.

In the embodiment of the present invention, processor 701 may call upon in memorizer 704 application program of storage, and perform with Lower operation:

According at least one sub-frame of uplink above-mentioned, generating Downlink Control Information, this Downlink Control Information can serve to indicate that The letters such as the information of the Physical Resource Block PRB taken during at least one sub-frame of uplink above-mentioned transmission and corresponding modulation coding mode Breath；

Trigger output device 703 in the physical downlink control channel PDCCH that this target downlink subframe is corresponding, this is descending Control information sends to terminal.

As the optional embodiment of one, processor 701 may call upon the application program of storage in memorizer 704, And operation below performing:

Trigger input equipment 702 and receive terminal according to this uplink scheduling information and this Downlink Control Information above-mentioned at least one The data of uplink in individual sub-frame of uplink.

As the optional embodiment of one, processor 701 determines that at least one of this target downlink subframe scheduling is up The detailed description of the invention of subframe can be:

According to currently employed target uplink and downlink timeslot configuration, and in memorizer 704 the Preset Transfer time delay of storage with At least one in uplink signal-channel quality, determines that this target downlink subframe is at least the one of target uplink and downlink timeslot configuration dispatching Individual sub-frame of uplink.Wherein, the configuration of this target uplink and downlink timeslot can include that uplink and downlink timeslot configures any one in 0～6.

According to the default mapping relations of storage in currently employed target uplink and downlink timeslot configuration and memorizer 704, really This target downlink subframe fixed is at least one sub-frame of uplink of target uplink and downlink timeslot configuration dispatching, and wherein, this is preset and maps Relation includes the corresponding relation of the lower descending sub frame of different uplink and downlink timeslot configurations and the sub-frame of uplink of scheduling.Wherein, this target Uplink and downlink timeslot configuration can include any one in uplink and downlink timeslot configuration 0～6.

The initial subframe position of at least one sub-frame of uplink above-mentioned and the number of sub-frames of at least one sub-frame of uplink above-mentioned；Or Person,

In the embodiment of the present invention, by implementing the base station shown in Fig. 7, under can not carrying out in ascending HARQ transmitting procedure Row feeds back and carries out many subframe schedulings on the PHICH channel of free time, to support that a descending sub frame dispatches multiple up son simultaneously Frame such that it is able to increase the probability that sub-frame of uplink is scheduled, improve the signalling efficiency of LAA system, and be effectively improved system Ascending 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.Referring to Fig. 8, Fig. 8 is this The structural representation of a kind of terminal that bright embodiment provides, for performing the controlling party of the data transmission that the embodiment of the present invention provides Method.As shown in Figure 8, this terminal may include that

Receive unit 801, for receiving base station at physical mixed automatic re-transmission indicating channel corresponding to target downlink subframe The uplink scheduling information of the upper transmission of PHICH, this uplink scheduling information is for indicating at least one of this target downlink subframe scheduling Sub-frame of uplink.

In the embodiment of the present invention, this target downlink subframe can be deployed in unlicensed spectrum, it is also possible to is deployed in mandate frequency Spectrum, the embodiment of the present invention is not construed as limiting.At least one sub-frame of uplink of this target downlink subframe scheduling can be to authorize under frequency spectrum Sub-frame of uplink, it is also possible to 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 Comprising the sub-frame of uplink under unlicensed spectrum, the embodiment of the present invention is not construed as limiting.Wherein, PHICH channel is to pass at ascending HARQ Downstream feedback is not carried out and the channel of free time during defeated.

Determine unit 802, for according to this uplink scheduling information, determine at least one sub-frame of uplink above-mentioned.

In the embodiment of the present invention, receive unit 801, it is also possible to for receiving base station at thing corresponding to this target downlink subframe The Downlink Control Information sent on reason down control channel PDCCH.

Wherein, this Downlink Control Information is used for indicating the resource information that at least one sub-frame of uplink above-mentioned is corresponding when transmitting, This resource information can include the information of the Physical Resource Block PRB shared when transmitting of at least one sub-frame of uplink above-mentioned, is The resource block information of at least one sub-frame of uplink above-mentioned distribution, can include the letters such as the mark of Resource Block, size and/or number Breath.Additionally, this resource information can also include the information such as the modulation coding mode that at least one sub-frame of uplink above-mentioned is corresponding, this Bright embodiment is not construed as limiting.

See also the structural representation that Fig. 9, Fig. 9 are the another kind of terminals that the embodiment of the present invention provides, be used for performing The control method of the data transmission that the embodiment of the present invention provides.Wherein, the terminal shown in Fig. 9 is the base in the terminal shown in Fig. 8 The enterprising one-step optimization of plinth obtains.Compared with the terminal shown in Fig. 8, the terminal shown in Fig. 9 can also include:

Transmitting element 803, for according to this uplink scheduling information and this Downlink Control Information, at least one is up above-mentioned To base station uplink data sending in subframe.

Specifically, transmitting element 803 can be according to this uplink scheduling information and this Downlink Control Information, above-mentioned at least one The PUSCH channel that individual sub-frame of uplink is corresponding carries out transmitting uplink data to base station.Wherein, when at least one sub-frame of uplink above-mentioned Middle exist under unlicensed spectrum sub-frame of uplink time, then transmitting element 803 carry out on this sub-frame of uplink transmitting uplink data it Before, utilize LBT mechanism to carry out the detection of channel status, be just transmitted when channel idle；When this sub-frame of uplink is for authorizing frequency During sub-frame of uplink under Pu, transmitting element 803 can carry out up without carrying out LBT Channel Detection on this sub-frame of uplink Data are transmitted.

In the embodiment of the present invention, by implementing the terminal shown in Fig. 8 and Fig. 9, base station can be received and parsed through by upper The uplink scheduling information not carrying out downstream feedback during row HARQ transmission and send on the PHICH channel of free time, according on this Row schedule information determines the one or more sub-frame of uplink being scheduled, and carries out up with realization in the sub-frame of uplink being scheduled Data are transmitted such that it is able to increase the probability that sub-frame of uplink is scheduled, improve the signalling efficiency of LAA system, and be effectively improved The ascending performance of system, promotes the resource utilization of system.

Based on the application scenarios shown in Fig. 1, the embodiment of the invention discloses another terminal.Refer to Figure 10, Tu10Shi The structural representation of another terminal that the embodiment of the present invention provides, the data provided for performing the embodiment of the present invention are transmitted Control method.As shown in Figure 10, this terminal 1000 may include that at least one processor 1001, such as CPU, and at least one is defeated Enter device 1002, at least one output device 1003, memorizer 1004 assembly such as grade.Wherein, these assemblies can by one or Multiple bus 1005 is communicatively coupled.It will be understood by those skilled in the art that the structure not structure of the terminal shown in Figure 10 The restriction of the embodiment of the present invention in pairs, it both can be busbar network, it is also possible to be hub-and-spoke configuration, it is also possible to include than diagram 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., may be used for receiving base Stand the signal etc. of descending transmission.Output device 1003 can include line interface, wave point etc., may be used for base station up 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-labile memorizer (non-volatile memory), for example, at least one disk memory.Memorizer 1004 optionally can also is that at least one It is located remotely from the storage device of aforementioned processor 1001.As shown in Figure 10, as the memorizer of a kind of computer-readable storage medium Can include operating system, application program and data etc. in 1004, the embodiment of the present invention is not construed as limiting.

In the terminal shown in Figure 10, processor 1001 may be used for calling in memorizer 1004 application program of storage with Operation below performing:

Trigger input equipment 1002 and receive base station at physical mixed automatic re-transmission indicating channel corresponding to target downlink subframe The uplink scheduling information of the upper transmission of PHICH, this uplink scheduling information is for indicating at least one of this target downlink subframe scheduling Sub-frame of uplink, wherein, this target downlink subframe can be deployed in unlicensed spectrum or authorize frequency spectrum, and this PHICH is up mixed Close in HARQ HARQ transmission and do not carry out downstream feedback and the channel of free time；

According to this uplink scheduling information, determine at least one sub-frame of uplink above-mentioned.

In the embodiment of the present invention, processor 1001 may call upon the application program of storage in memorizer 1004, and performs Below operation:

Trigger input equipment 1002 and receive base station in the physical downlink control channel PDCCH that this target downlink subframe is corresponding The Downlink Control Information sent, this Downlink Control Information can serve to indicate that what at least one sub-frame of uplink above-mentioned took when transmitting The information such as the modulation coding mode that the information of Physical Resource Block PRB is corresponding with at least one sub-frame of uplink above-mentioned.

As the optional embodiment of one, processor 1001 may call upon the application journey of storage in memorizer 1004 Sequence, and perform following operation:

At least one is up above-mentioned according to this uplink scheduling information and this Downlink Control Information to trigger output device 1003 To base station uplink data sending in subframe.

In the embodiment of the present invention, by implementing the terminal shown in Figure 10, base station can be received and parsed through by up The uplink scheduling information not carrying out downstream feedback during HARQ transmission and send on the PHICH channel of free time, up according to this Schedule information determines the one or more sub-frame of uplink being scheduled, to realize line number on carrying out in the sub-frame of uplink being scheduled According to transmission such that it is able to increase the probability that is scheduled of sub-frame of uplink, improve the signalling efficiency of LAA system, and be effectively improved and be The ascending performance of system, promotes the resource utilization of system.

Module in all embodiments of the invention or submodule, can pass through universal integrated circuit, such as CPU, or pass through ASIC (Application Specific Integrated Circuit, special IC) realizes.

It should be noted that for each embodiment of the method aforesaid, in order to be briefly described, therefore it is all expressed as one it be The combination of actions of row, but those skilled in the art should know, and the present invention is not limited by described sequence of movement, because of For according to the application, certain some step can use other orders or carry out simultaneously.Secondly, those skilled in the art also should Knowing, embodiment described in this description belongs to preferred embodiment, involved action and module not necessarily this Shen Please be necessary.

In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and is not described in certain embodiment Part, 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, be permissible Instructing relevant hardware by computer program to complete, described program can be stored in a computer read/write memory medium In, 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 Dish, CD, read-only store-memory body (Read-Only Memory, ROM) or random access memory (Random Access Memory, is called for short RAM) etc..

Control method and the relevant device of a kind of data transmission provided the embodiment of the present invention above have carried out detailed Jie Continuing, principle and the embodiment of the present invention are set forth by specific case used herein, and the explanation of above example is only It is the method and core concept thereof being adapted to assist in and understanding the present invention；Simultaneously for one of ordinary skill in the art, according to this Bright thought, the most all will change, and in sum, this specification content should not be managed Solve as limitation of the present invention.

Claims

1. the control method of a data transmission, it is characterised in that be applied to authorize auxiliary to access in LAA system, described method Including:

Described base station, according at least one sub-frame of uplink described, generates uplink scheduling information, and described uplink scheduling information is used for referring to Show at least one sub-frame of uplink described；

Described base station on the physical mixed automatic re-transmission indicating channel PHICH that described target downlink subframe is corresponding by described up Schedule information sends to terminal.

Method the most according to claim 1, it is characterised in that when described target downlink subframe is deployed in unlicensed spectrum Time, described base station obtains target downlink subframe to be sent, including:

Described base station utilizes listem-before-talk LBT to detect for transmitting the channel of descending sub frame in unlicensed spectrum；

When detect in unlicensed spectrum for the channel that transmits described descending sub frame be idle channel time, described base station determines institute Stating 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, according at least one sub-frame of uplink described, generates Downlink Control Information, and described Downlink Control Information is used for referring to Show resource information corresponding during described at least one sub-frame of uplink transmission；

Described base station in the physical downlink control channel PDCCH that described target downlink subframe is corresponding by described Downlink Control Information Send to terminal.

Method the most according to claim 3, it is characterised in that described method also includes:

Described base station receive described terminal according to described uplink scheduling information and described Downlink Control Information described at least one The data of uplink in sub-frame of uplink.

5. according to the method according to any one of claim 1-4, it is characterised in that described base station determines described target downlink At least one sub-frame of uplink of frame scheduling, including:

Described base station according to currently employed target uplink and downlink timeslot configuration, and Preset Transfer time delay with in uplink signal-channel quality At least one, determine described target downlink subframe described target uplink and downlink timeslot configuration dispatching at least one up son Frame.

6. according to the method according to any one of claim 1-4, it is characterised in that described base station determines described target downlink At least one sub-frame of uplink of frame scheduling, including:

Described base station is according to currently employed target uplink and downlink timeslot configuration and presets mapping relations, determines described target downlink Subframe is at least one sub-frame of uplink of described target uplink and downlink timeslot configuration dispatching, wherein, described default mapping relations bag Include the corresponding relation of the lower descending sub frame of different uplink and downlink timeslot configurations and the sub-frame of uplink of scheduling.

7. according to the method described in claim 5 or 6, it is characterised in that the configuration of described target uplink and downlink timeslot includes up-downgoing Any one in time slot configuration 0 to 6.

8. according to the method according to any one of claim 1-7, it is characterised in that described uplink scheduling information includes following feelings At least one in condition:

The initial subframe position of at least one sub-frame of uplink described and end subframe position；Or,

The initial subframe position of at least one sub-frame of uplink described and the number of sub-frames of at least one sub-frame of uplink described；Or,

The frame number set of all subframes at least one sub-frame of uplink described.

9. the control method of a data transmission, it is characterised in that be applied to authorize auxiliary to access in LAA system, described method Including:

It is up that terminal reception base station sends on the physical mixed automatic re-transmission indicating channel PHICH that target downlink subframe is corresponding Schedule information, described uplink scheduling information is for indicating at least one sub-frame of uplink of described target downlink subframe scheduling；

Method the most according to claim 9, it is characterised in that described method also includes:

Described terminal receives what described base station sent in the physical downlink control channel PDCCH that described target downlink subframe is corresponding Downlink Control Information, resource letter corresponding when described Downlink Control Information is for indicating described at least one sub-frame of uplink transmission Breath.

11. methods according to claim 10, it is characterised in that described method also includes:

Described terminal according to described uplink scheduling information and described Downlink Control Information at least one sub-frame of uplink described to Described base station uplink data sending.

12. according to the method according to any one of claim 9-11, it is characterised in that described uplink scheduling information includes following At least one in situation:

13. 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 target downlink to be sent Subframe；

Signal generating unit, for according at least one sub-frame of uplink described, generates uplink scheduling information, and described uplink scheduling information is used In instruction at least one sub-frame of uplink described；

Transmitting element, is used for institute on the physical mixed automatic re-transmission indicating channel PHICH that described target downlink subframe is corresponding State uplink scheduling information to send to terminal.

14. base stations according to claim 13, it is characterised in that when described target downlink subframe is deployed in unlicensed spectrum Time upper, described acquiring unit includes:

Detection sub-unit, for utilizing listem-before-talk LBT to examine for transmitting the channel of descending sub frame in unlicensed spectrum Survey；

Determine subelement, for detecting in unlicensed spectrum for transmitting the letter of described descending sub frame when described detection sub-unit When road is idle channel, determine that described descending sub frame is target downlink subframe to be sent.

15. according to the base station described in claim 13 or 14, it is characterised in that

Described signal generating unit, is additionally operable to, according at least one sub-frame of uplink described, generate Downlink Control Information, described descending control Resource information corresponding when information is for indicating described at least one sub-frame of uplink transmission；

Described transmitting element, is additionally operable to described in the physical downlink control channel PDCCH that described target downlink subframe is corresponding Downlink Control Information sends to terminal.

16. base stations according to claim 15, it is characterised in that described base station also includes:

Receive unit, be used for receiving described terminal according to described uplink scheduling information and described Downlink Control Information described at least The data of uplink in one sub-frame of uplink.

17. according to the base station according to any one of claim 13-16, it is characterised in that described determine that unit determines described mesh Mark descending sub frame scheduling at least one 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 and up channel matter At least one in amount, determines that described target downlink subframe is at least one of described target uplink and downlink timeslot configuration dispatching Row subframe.

18. according to the base station according to any one of claim 13-16, it is characterised in that described determine that unit determines described mesh Mark descending sub frame scheduling at least one sub-frame of uplink mode particularly as follows:

Described determine that unit according to currently employed target uplink and downlink timeslot configuration and presets mapping relations, determine described target Descending sub frame is at least one sub-frame of uplink of described target uplink and downlink timeslot configuration dispatching, and wherein, described default mapping is closed System includes the corresponding relation of the lower descending sub frame of different uplink and downlink timeslot configurations and the sub-frame of uplink of scheduling.

19. according to the base station described in claim 17 or 18, it is characterised in that the configuration of described target uplink and downlink timeslot includes up and down Any one in row time slot configuration 0 to 6.

20. according to the base station according to any one of claim 13-19, it is characterised in that described uplink scheduling information include with At least one in lower situation:

21. 1 kinds of terminals, it is characterised in that including:

Receive unit, for receiving base station at physical mixed automatic re-transmission indicating channel PHICH corresponding to target downlink subframe The uplink scheduling information sent, described uplink scheduling information is for indicating at least one of described target downlink subframe scheduling up Subframe；

22. terminals according to claim 21, it is characterised in that

Described reception unit, is additionally operable to receive described base station at Physical Downlink Control Channel corresponding to described target downlink subframe The Downlink Control Information of the upper transmission of PDCCH, when described Downlink Control Information is used for indicating described at least one sub-frame of uplink transmission Corresponding resource information.

23. terminals according to claim 22, it is characterised in that described terminal also includes:

Transmitting element, for according to described uplink scheduling information and described Downlink Control Information at least one sub-frame of uplink described Middle to described base station uplink data sending.

24. according to the terminal according to any one of claim 21-23, it is characterised in that described uplink scheduling information include with At least one in lower situation: