CN107295648A - A kind of ascending transmission method, UE, base station and system - Google Patents
A kind of ascending transmission method, UE, base station and system Download PDFInfo
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- CN107295648A CN107295648A CN201610197551.0A CN201610197551A CN107295648A CN 107295648 A CN107295648 A CN 107295648A CN 201610197551 A CN201610197551 A CN 201610197551A CN 107295648 A CN107295648 A CN 107295648A
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000001174 ascending effect Effects 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 235
- 230000011664 signaling Effects 0.000 claims description 30
- 238000007689 inspection Methods 0.000 claims description 6
- 238000012546 transfer Methods 0.000 abstract description 10
- 238000012545 processing Methods 0.000 description 7
- 239000002699 waste material Substances 0.000 description 6
- 238000011144 upstream manufacturing Methods 0.000 description 5
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- 238000005859 coupling reaction Methods 0.000 description 3
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- 238000004891 communication Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/04—Scheduled access
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Abstract
The present invention provides a kind of ascending transmission method, UE, base station and system, and this method may include：Receive the configured information that base station is sent；Determined to carry out the detection resource of LBT detections according to the configured information；The LBT detections access channel is carried out in the detection resource, and uplink is carried out to the base station using the channel in scheduled subframe.The embodiment of the present invention can save transfer resource.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of ascending transmission method, user terminal (UE,
User Equipment), base station and system.
Background technology
With the continuous growth of mobile data services amount, frequency spectrum resource is more and more nervous, using only mandate frequency spectrum
Resource, which carries out network design and business transmission, possibly can not meet traffic needs.Therefore Long Term Evolution (LTE,
Long Term Evolution) system consideration deployment transmission, i.e., unauthorized frequency range in unlicensed spectrum resource
LTE (Unlicensed LTE, referred to as U-LTE or LTE-U), is covered with improving Consumer's Experience and extension
Lid.
Currently in order to supporting to be configured with frequency selective scheduling during multiple UE uplink, LTE-U systems
The subframe of detection reference signal (SRS, Sounding Reference Signal) is transmitted, UE is in the subframe
Middle transmission SRS realizes frequency selective scheduling.However, transmitting SRS SRS symbols in actual transmissions
Always on transmitting physical Uplink Shared Channel (PUSCH, Physical Uplink Shared Channel)
After the meeting of row data.For example：Last symbol is SRS symbols in subframe.However, in reality
In, may have UE just can not be in SRS the symbol transmissions SRS, such UE of subframe
Next subframe access channel of the subframe, so as to vacate subframe, causes transmission resource waste.
The content of the invention
It is an object of the invention to provide a kind of ascending transmission method, UE, base station and system, biography is solved
The problem of defeated wasting of resources.
In order to achieve the above object, the embodiment of the present invention provides a kind of ascending transmission method, including：
Receive the configured information that base station is sent；
Determined to carry out what listem-before-talk (LBT, Listen Before Talk) was detected according to the configured information
Detect resource；
The LBT detections access channel is carried out in the detection resource, and institute is used in scheduled subframe
State channel and carry out uplink to the base station.
Optionally, it is described to be determined to carry out the detection resource of LBT detections according to the configured information, including：
, will be described scheduled if the configured information indicates that the scheduled subframe is configured without LBT resources
The resource of the previous subframe of subframe is used as the detection resource for carrying out the LBT detections.
Optionally, it regard the resource of the previous subframe of the scheduled subframe as the progress LBT detections
Detection resource, including：
It regard the SRS symbols of the previous subframe of the scheduled subframe as the inspection for carrying out the LBT detections
Survey resource；Or
It regard the idling-resource of the previous subframe of the scheduled subframe as the inspection for carrying out the LBT detections
Survey resource.
Optionally, it is described to be determined to carry out the detection resource of LBT detections according to the configured information, including：
If the configured information indicates that the scheduled sub-frame configuration has LBT resources, by the scheduled son
LBT resources described in frame is used as the detection resource for carrying out the LBT operations.
Optionally, methods described also includes：
Receive the signaling for the instruction occupancy SRS symbol progress uplink that the base station is sent；
It is described to carry out uplink to the base station using the channel in scheduled subframe, including：
The channel is used in the resource including scheduled subframe includes SRS symbols according to the signaling
Uplink is carried out to the base station.
The embodiment of the present invention also provides a kind of ascending transmission method, including：
Configured information is sent to UE, so that the UE determines to carry out LBT detections according to the configured information
Detection resource, carry out LBT detection access channel in the detection resource；
Receive the uplink that the UE is carried out in scheduled subframe using the channel.
Optionally, the configured information indicates that the scheduled subframe is configured without LBT resources, so that institute
State UE and regard the resource of the previous subframe of the scheduled subframe as the detection for carrying out the LBT detections
Resource.
Optionally, the detection resource is the SRS symbols of the previous subframe of the scheduled subframe；Or
Person
The detection resource is the idling-resource of the previous subframe of the scheduled subframe.
Optionally, the configured information indicates that the scheduled sub-frame configuration has LBT resources, so that described
UE regard LBT resources described in the scheduled subframe as the detection resource for carrying out the LBT operations.
Optionally, methods described also includes：
Sent to the UE and indicate to take the signaling that SRS symbols carry out uplink；
The uplink that the reception UE is carried out in scheduled subframe using the channel, including：
The UE is received according to the signaling in the resource including scheduled subframe includes SRS symbols
The uplink carried out using the channel.
The embodiment of the present invention also provides a kind of UE, including：
First receiving module, the configured information for receiving base station transmission；
Determining module, for being determined to carry out the detection resource of LBT detections according to the configured information；
Transport module, for carrying out the LBT detections access channel in the detection resource, and is being adjusted
Spending in subframe uses the channel to carry out uplink to the base station.
Optionally, if the determining module is used for the configured information and indicates that the scheduled subframe is configured without
LBT resources, regard the resource of the previous subframe of the scheduled subframe as the progress LBT detections
Detect resource.
Optionally, the determining module is used for the SRS symbols of the previous subframe of the scheduled subframe
It is used as the detection resource for carrying out the LBT detections；Or
The determining module is used to regard the idling-resource of the previous subframe of the scheduled subframe as progress
The detection resource of the LBT detections.
Optionally, if the determining module is used for the configured information and indicates that the scheduled sub-frame configuration has
LBT resources, regard LBT resources described in the scheduled subframe as the detection for carrying out the LBT operations
Resource.
Optionally, the UE also includes：
Second receiving module, the up biography of SRS symbols progress is taken for receiving the instruction that the base station is sent
Defeated signaling；
The transport module is used for the money including scheduled subframe includes SRS symbols according to the signaling
In source uplink is carried out using the channel to the base station.
The embodiment of the present invention also provides a kind of base station, including：
First sending module, for sending configured information to UE, so that the UE indicates to believe according to described
Breath determines to carry out the detection resource of LBT detections, in the detection resource progress LBT detections access letter
Road；
Receiving module, for receiving the up biography that the UE is carried out in scheduled subframe using the channel
It is defeated.
Optionally, the configured information indicates that the scheduled subframe is configured without LBT resources, so that institute
State UE and regard the resource of the previous subframe of the scheduled subframe as the detection for carrying out the LBT detections
Resource.
Optionally, the detection resource is the SRS symbols of the previous subframe of the scheduled subframe；Or
Person
The detection resource is the idling-resource of the previous subframe of the scheduled subframe.
Optionally, the configured information indicates that the scheduled sub-frame configuration has LBT resources, so that described
UE regard LBT resources described in the scheduled subframe as the detection resource for carrying out the LBT operations.
Optionally, the base station also includes：
Second sending module, indicates that taking SRS symbols carries out uplink for being sent to the UE
Signaling；
The receiving module includes SRS according to the signaling for receiving the UE in scheduled subframe
The uplink carried out in resource including symbol using the channel.
The embodiment of the present invention also provides a kind of uplink system, including：
Base station, for sending configured information to UE；
The UE, the configured information for receiving base station transmission；
The UE is additionally operable to be determined to carry out the detection resource of LBT detections according to the configured information；
The UE is additionally operable to carry out the LBT detections access channel in the detection resource, and is being adjusted
Spending in subframe uses the channel to carry out uplink to the base station；
The base station be additionally operable to receive the UE in the scheduled subframe using the channel carry out it is upper
Row transmission.
The above-mentioned technical proposal of the present invention at least has the advantages that：
The embodiment of the present invention, receives the configured information that base station is sent, and determine progress according to the configured information
The detection resource of LBT detections, the LBT detections access channel is carried out in the detection resource, and in quilt
In scheduling subframe uplink is carried out using the channel to the base station.It can so realize according in instruction
The detection resource that information is determined carries out LBT access channels, and channel can not be accessed so as to avoid the occurrence of
Subframe, to save transfer resource, and then the problem of solve transmission resource waste.
Brief description of the drawings
Fig. 1 is schematic network structure provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic flow sheet of ascending transmission method provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic diagram of sub-frame transmission data provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of another sub-frame transmission data provided in an embodiment of the present invention；
Fig. 5 is the schematic flow sheet of another ascending transmission method provided in an embodiment of the present invention；
Fig. 6 is a kind of UE provided in an embodiment of the present invention structural representation；
Fig. 7 is another UE provided in an embodiment of the present invention structural representation；
Fig. 8 is a kind of structural representation of base station provided in an embodiment of the present invention；
Fig. 9 is the structural representation of another base station provided in an embodiment of the present invention；
Figure 10 is another UE provided in an embodiment of the present invention structural representation；
Figure 11 is the structural representation of another base station provided in an embodiment of the present invention；
Figure 12 is a kind of structural representation of uplink system provided in an embodiment of the present invention.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with attached
Figure and specific embodiment are described in detail.
The embodiment of the present invention, not in the SRS symbol transmission SRS of subframe, makes for existing UE in the art
UE can not access channel in next subframe of the subframe, so as to vacate subframe, cause transmission resource waste
The problem of there is provided a kind of ascending transmission method, UE, base station and system.Pass through base in the embodiment of the present invention
The configured information sent of standing determines to carry out the detection resource of LBT detections, so as to be carried out in the detection resource
LBT detection access channels, and uplink is carried out to base station using the channel in scheduled subframe,
To avoid the occurrence of the subframe that can not access channel, to save transfer resource.
Referring to Fig. 1, Fig. 1 is schematic network structure provided in an embodiment of the present invention, as shown in figure 1, bag
Include UE11 and base station.Wherein, UE11 can be mobile phone, tablet personal computer, personal computer, notebook
Computer, wearable device etc. can be with the terminal devices of access network, it is necessary to which explanation, implements in the present invention
UE11 particular type is not limited in example.UE11 can set up with base station 12 and communicate, and base station 12 can
To be evolved base station (eNB, evolved Node B) or other base stations, it is necessary to explanation,
The particular type of base station 12 is not limited in the embodiment of the present invention.
Based on the network structure shown in Fig. 1, the embodiment of the present invention provides a kind of ascending transmission method, such as Fig. 2
It is shown, comprise the following steps：
201st, the configured information that base station is sent is received.
202nd, determined to carry out the detection resource of LBT detections according to the configured information.
203rd, the LBT detections access channel is carried out in the detection resource, and made in scheduled subframe
With the channel uplink is carried out to the base station.
In the present embodiment, above-mentioned configured information can serve to indicate that the detection resource for determining to carry out LBT detections,
So step 202 can just determine above-mentioned detection resource according to the configured information.Wherein, above-mentioned detection resource
It can be understood as carrying out the starting resource of LBT detections, i.e. step 202 to can be understood as determining to carry out LBT
The original position of detection.Or above-mentioned detection resource is also understood that to carry out the money required for LBT detections
Source, i.e. step 202 can be understood as the test position for determining to carry out LBT detections.In addition, above-mentioned detection
Resource can include one or more symbol, or above-mentioned detection resource can also include in single symbol
Partial content etc., is not construed as limiting to this present embodiment.Wherein, above-mentioned symbol can be OFDM
Technology (OFDM, Orthogonal Frequency Division Multiplexing) symbol, or can be
Single-carrier frequency division multiple access (SC-FDMA, Single-carrier Frequency-Division Multiple Access)
Symbol.In addition, above-mentioned uplink can transmit upstream data or up signaling etc., to this present embodiment
It is not construed as limiting.
In the present embodiment, above-mentioned channel can be physical uplink channel, for example：Physical Uplink Shared Channel
(PUSCH, Physical Uplink Shared Channel), certainly, above-mentioned channel is also in some scenes
Can be other physical uplink channels, for example：Physical layer RACH (PRACH, Physical
Random Access Channel) etc., this present embodiment is not construed as limiting.
Wherein, above-mentioned scheduled subframe can be the subframe dispatched by UE, or above-mentioned scheduled subframe is also
It is appreciated that after present sub-frame, i.e. UE access channels, subframe currently used UE.In addition, above-mentioned quilt
Scheduling subframe can be with the son in FDD (FDD, Frequency Division Duplexing) radio frames
Frame, or above-mentioned scheduled subframe can be time division duplex (TDD, Time Division Duplexing)
Subframe in radio frames etc..In addition, above-mentioned detection resource could also belong to same nothing with above-mentioned scheduled subframe
Line frame, i.e. step 202 can be that above-mentioned detection resource is determined in the radio frames, and in the radio frames
Uplink is carried out in scheduled subframe.
In addition, above-mentioned uplink can refer to carrying out progress after LBT detections are successfully accessed above-mentioned channel
Uplink.
As an alternative embodiment, step 202 can include：
, will be described scheduled if the configured information indicates that the scheduled subframe is configured without LBT resources
The resource of the previous subframe of subframe is used as the detection resource for carrying out the LBT detections.
Wherein, above-mentioned configured information can be that the above-mentioned scheduled subframe of explicit or implicit instruction is configured without
LBT resources.Wherein, it explicitly can be understood as above-mentioned configured information and be explicitly indicated above-mentioned scheduled subframe not having
There are configuration LBT resources, implicitly can be understood as the above-mentioned scheduled subframe of above-mentioned configured information implicit indication and do not have
There are configuration LBT resources, for example：Above-mentioned configured information includes LBT resource distribution fields, but in the field
Portion is 0, and this 0 can represent that 0 symbol as above-mentioned LBT resources, that is, is configured without LBT resources.
In addition, the previous subframe of above-mentioned scheduled subframe can be scheduled in the radio frames belonging to subframe to be scheduled
The previous subframe of subframe, is not construed as limiting to this present embodiment.
In the embodiment, due to that can realize the resource of the previous subframe of scheduled subframe as above-mentioned
Detection resource, i.e. step 203 can be the resource progress LBT detections in the previous frame of scheduled subframe,
LBT detections are carried out before the border of scheduled subframe to realize, and are opened on the border of scheduled subframe
Beginning uplink, so that the resource of the previous frame of scheduled subframe is effectively utilized, to avoid previous subframe
The wasting of resources.
Optionally, in the embodiment, the resource of the above-mentioned previous subframe using the scheduled subframe as
The step of carrying out the detection resource of the LBT detections, can include：
It regard the SRS symbols of the previous subframe of the scheduled subframe as the inspection for carrying out the LBT detections
Survey resource.
In the embodiment, it is possible to achieve carry out LBT detections in the SRS symbols of previous subframe, so
Uplink just can be started on the border of scheduled subframe.For example：As shown in figure 3, UE1 and UE2
LBT detections can be carried out in the SRS symbols of subframe 1, so that UE1 and UE2 is on the border of subframe 2
Start uplink, wherein, it is illustrated in accompanying drawing with the up upstream data that is transmitted as.
In the embodiment, it is possible to achieve start uplink on the border of scheduled subframe, i.e., need not be
Scheduled sub-frame configuration LBT resources, for example：It is not scheduled sub-frame configuration clear channel assessment (CCA) time slot
(CCA gap, Clear Channel Assessment gap), because CCA gap expense is larger, so
Base station avoids the need for reserving CCA gap for each subframe, to save network transmission resource.Further, since
Unauthorized frequency range cell (small cell) channel becomes slowly, and base station is not necessarily to as each SRS
SRS transmission is configured, therefore, the embodiment uses and completes SRS to the time-multiplexed mode of SRS symbols
Transmission and channel access, any transfer resource is not wasted.Certainly, in the embodiment, UE is accorded with SRS
Number perform LBT detection be only UE according to base station indicate before sub-frame boundary perform LBT detect one
Individual special case, however not excluded that multiple SC-FDMA semiology analysis LBT detections that UE can be before sub-frame boundary
Situation.
In addition, in the embodiment, above-mentioned LBT detections can be before scheduled sub-frame boundary extremely
Few 25us starts to perform CCA, i.e., be at least separated by 25us between above-mentioned SRS symbols and scheduled subframe,
If CCA results represent that channel is spare time, UE access channel up biographies since scheduled sub-frame boundary
It is defeated.Or above-mentioned LBT detection can start to perform CCA detections in the original positions of empty SRS symbols,
Random back (back off) counter starts execution and counted down, if channel is examined before scheduled sub-frame boundary
Survey as the spare time, and (back off) the counter countdown that retracts is 0, then UE accesses channel from scheduled subframe
Boundary uplink, otherwise this access failure of UE, abandons sending upstream data.Wherein, it is above-mentioned
LBT detection modes can be allocated to UE by base station, be not excluded for UE in some scenes certainly actively
The mode of LBT detections is selected, this is not construed as limiting as embodiment.
In addition, above-mentioned SRS symbols can be the last symbol in subframe, or SRS symbols can be with
It is the other symbols of subframe, this present embodiment is not construed as limiting.
Optionally, in above-mentioned embodiment, the resource of the above-mentioned previous subframe by the scheduled subframe is made
The step of detection resource to carry out the LBT detections, it can include：
It regard the idling-resource of the previous subframe of the scheduled subframe as the inspection for carrying out the LBT detections
Survey resource.
In the embodiment, it is possible to achieve scheduled subframe previous subframe idling-resource as above-mentioned
Resource is detected, for example：It regard symbol idle in previous subframe as above-mentioned detection resource.The embodiment
In, it can equally realize and start uplink on the border of scheduled subframe, i.e., need not be scheduled subframe
Configure LBT resources.In addition, the embodiment that LBT is detected in the embodiment may be referred to implementation above
The LBT detections introduced in mode, are not repeated herein.
It is above-mentioned to be determined to carry out LBT detections according to the configured information as in a kind of optional embodiment
Detection resource, including：
If the configured information indicates that the scheduled sub-frame configuration has LBT resources, by the scheduled son
LBT resources described in frame is used as the detection resource for carrying out the LBT operations.
In the embodiment, above-mentioned configured information can be that the above-mentioned scheduled subframe of explicit or implicit instruction is matched somebody with somebody
It is equipped with LBT resources.Wherein, it explicitly can be understood as above-mentioned configured information and be explicitly indicated above-mentioned scheduled son
Frame is configured with LBT resources, implicitly can be understood as the above-mentioned scheduled subframe of above-mentioned configured information implicit indication
LBT resources are configured with, for example：Above-mentioned configured information includes LBT resource distribution fields, but in the field
Portion is 1 or 2, and this 1 or 2 can represent 1 or 2 symbol as above-mentioned LBT resources.
In the embodiment, above-mentioned LBT resources can be CCA gap, wherein, the CCA gap can be with
It is 1-2 OFDM symbol, specific size needs base station to configure.Wherein, in the embodiment, step
203 can carry out LBT detections in above-mentioned CCA gap, to access channel.For example：UE can be in quilt
CCA is performed for starting at least 25us before the border of the resource of uplink in scheduling subframe, this
When CCA Origin And Destinations completely in a symbolic range before the resource starting point for uplink,
If CCA results channel is the spare time, UE access channels are transmitted using imperfect (partial) subframe uplink is transmitted.
Wherein, the resource in above-mentioned scheduled subframe for uplink can be understood as scheduled subframe physically
Row channel resource, for example：PUSCH resources.In addition, above-mentioned LBT detections can also be UE from CCA
Gap original position starts to perform LBT detections, performs rollback (back off) counter countdown, if
It is the spare time to be used for Channel Detection before the border of the resource of uplink in scheduled subframe, and (the back that retracts
Off) counter countdown is 0, then UE accesses channel and carries out uplink, and otherwise this access of UE is lost
Lose, abandon sending upstream data.The embodiment can be realized in the CCA gap after sub-frame boundary
LBT detections are performed, to avoid the wasting of resources caused by SRS obstruction transmitting uplink datas.Wherein,
Above-mentioned LBT detection modes can be allocated to UE by base station, be not excluded for UE in some scenes certainly
The mode for actively selecting LBT to detect, is not construed as limiting to this as embodiment.
In addition, in some scenes, if above-mentioned configured information indicates that above-mentioned scheduled sub-frame configuration has LBT
It is not precluded from resource, the present embodiment, UE can also equally use the money of the previous frame of scheduled subframe
Source is simply used as above-mentioned detection resource as the detection resource for carrying out LBT detections using above-mentioned LBT resources
Embodiment be preferential embodiment.And in some scenes, above-mentioned configured information also can indicate that
Established rules really by advance negotiation, determine above-mentioned detection resource, UE can be with using in determination rule determination
State detection resource.Wherein, determination rule can UE and base station consult in advance, such as determine rule
Can be the previous subframe for using scheduled subframe resource as above-mentioned detection resource, or determine rule
Can be the previous or multiple resource for using scheduled subframe as above-mentioned detection resource.
Optionally, in the embodiment, the above method can also comprise the following steps
Receive the signaling for the instruction occupancy SRS symbol progress uplink that the base station is sent；
It is above-mentioned in scheduled subframe using the channel to the base station carry out uplink the step of, can be with
Including：
The channel is used in the resource including scheduled subframe includes SRS symbols according to the signaling
Uplink is carried out to the base station.
In embodiment, it is possible to achieve uplink is carried out using the SRS symbols of subframe, because some fields
SRS symbols do not dispatch SRS transmission in scape, uplink are carried out thereby using the SRS symbols, to keep away
Exempt to waste empty SRS symbols.In addition, in the embodiment, not having in the previous subframe of scheduled subframe
When dispatching any SRS transmission, UE can also use the SRS symbols of previous subframe to carry out uplink,
For example：As shown in figure 4, SRS symbol transmission SRS are not dispatched in base station in SRS, base station is in quilt
Dispatching the reserved CCA gap of frame is used for LBT detection channel access, can so be indicated by above-mentioned signaling
UE1 and UE2 carries out the SRS symbols that uplink takes SRS, so that SRS transmission
Complete subframe, rather than imperfect (partial) subframe of 13 symbols of primary standard, wherein, in accompanying drawing with
Uplink is illustrated for upstream data.
Equally, in the embodiment, above-mentioned SRS symbols can be the last symbol in subframe, or
Person SRS symbols can be the other symbols of subframe, and this present embodiment is not construed as limiting.
The realization it should be noted that embodiment of the plurality of optional of above-mentioned introduction can be combined with each other, with can
To be implemented separately, this is not construed as limiting.
It should be noted that the above method can apply to unauthorized frequency range LTE (i.e. LTE-U or
U-LTE), i.e., above-mentioned channel can be the channel of unauthorized frequency range.In addition, the above method can apply to
The UE in network structure shown in Fig. 1.
The present embodiment, receives the configured information that base station is sent, and determine progress LBT according to the configured information
The detection resource of detection, the LBT detections access channel is carried out in the detection resource, and scheduled
In subframe uplink is carried out using the channel to the base station.It can so realize according in configured information
The detection resource of determination carries out LBT access channels, so as to avoid the occurrence of the subframe that can not access channel,
To save transfer resource, and then the problem of solve transmission resource waste.
Based on the network structure shown in Fig. 1, the embodiment of the present invention provides another ascending transmission method, such as schemes
Shown in 5, comprise the following steps：
501st, configured information is sent to UE, so that the UE determines to carry out LBT according to the configured information
The detection resource of detection, the LBT detections access channel is carried out in the detection resource.
502nd, the uplink that the UE is carried out in scheduled subframe using the channel is received.
Wherein, step 501 and 502 embodiment may refer in embodiment illustrated in fig. 2 on step
201st, 202 and 203 embodiment, here is omitted.
As an alternative embodiment, the configured information can indicate that the scheduled subframe is not matched somebody with somebody
LBT resources are put, so that the UE regard the resource of the previous subframe of the scheduled subframe as progress
The detection resource of the LBT detections.
Optionally, in the embodiment, above-mentioned detection resource can be the previous height of the scheduled subframe
The SRS symbols of frame；Or
Above-mentioned detection resource can be the idling-resource of the previous subframe of the scheduled subframe.
Wherein, the embodiment may refer in the embodiment shown in Fig. 2 on the configured information instruction quilt
Scheduling subframe is configured without the embodiment of LBT resources, and here is omitted.
As an alternative embodiment, above-mentioned configured information can indicate that the scheduled sub-frame configuration has
LBT resources, so that the UE regard LBT resources described in the scheduled subframe as the progress LBT
The detection resource of operation.
Optionally, in the embodiment, the above method can also comprise the following steps：
Sent to the UE and indicate to take the signaling that SRS symbols carry out uplink；
The step of uplink that the above-mentioned reception UE is carried out in scheduled subframe using the channel,
It can include：
The UE is received according to the signaling in the resource including scheduled subframe includes SRS symbols
The uplink carried out using the channel.
Wherein, the embodiment may refer in the embodiment shown in Fig. 2 on the configured information instruction quilt
The embodiment of the LBT resources of scheduling subframe configuration, here is omitted.
It should be noted that the above method can apply to unauthorized frequency range LTE (i.e. LTE-U or
U-LTE), i.e., above-mentioned channel can be the channel of unauthorized frequency range.In addition, the above method can apply to
The base station in network structure shown in Fig. 1.
The present embodiment, configured information is sent to UE, so that UE determines to carry out LBT according to the configured information
The detection resource of detection, carries out the LBT detections access channel in the detection resource, receives the UE
The uplink carried out in scheduled subframe using the channel.Can so realize is made by configured information
The detection resource that UE is determined carries out LBT access channels, so as to avoid the occurrence of the son that can not access channel
Frame, to save transfer resource, and then the problem of solve transmission resource waste.
Referring to Fig. 6, a kind of UE structure is shown in figure, the UE includes following module：
First receiving module 61, the configured information for receiving base station transmission；
Determining module 62, for being determined to carry out the detection resource of LBT detections according to the configured information；
Transport module 63, for carrying out the LBT detections access channel in the detection resource, and in quilt
In scheduling subframe uplink is carried out using the channel to the base station.
If referring to as an alternative embodiment, the determining module 62 can be used for the configured information
Show that the scheduled subframe is configured without LBT resources, by the money of the previous subframe of the scheduled subframe
Source is used as the detection resource for carrying out the LBT detections.
Optionally, in the embodiment, determining module 62 is used for the previous height of the scheduled subframe
The SRS symbols of frame are used as the detection resource for carrying out the LBT detections；Or
Determining module 62 can be used for the idling-resource of the previous subframe of the scheduled subframe as entering
The detection resource of the row LBT detections.
If as an alternative embodiment, determining module 62, which can be used for the configured information, indicates institute
Stating scheduled sub-frame configuration has LBT resources, regard LBT resources described in the scheduled subframe as progress
The detection resource of the LBT operations.
Optionally, in the embodiment, as shown in fig. 7, the UE can also include：
Second receiving module 64, it is up that the instruction for receiving the base station transmission takes the progress of SRS symbols
The signaling of transmission；
The transport module 63 can be used for including SRS symbols in scheduled subframe according to the signaling existing
In interior resource uplink is carried out using the channel to the base station.
In the present embodiment, above-mentioned UE can be the UE in the embodiment shown in Fig. 1-Fig. 5, and Fig. 1-figure
UE any embodiment can be realized by the UE in the present embodiment in embodiment shown in 5, this
In repeat no more.Above-mentioned UE can save transfer resource.
Referring to Fig. 8, a kind of structure of base station is shown in figure, the base station includes following module：
First sending module 81, for sending configured information to UE, so that the UE is indicated according to described
Information determines to carry out the detection resource of LBT detections, in the detection resource progress LBT detections access
Channel.
Receiving module 82, for receive the UE in scheduled subframe using the channel carry out it is up
Transmission.
As an alternative embodiment, above-mentioned configured information can indicate that the scheduled subframe is not matched somebody with somebody
LBT resources are put, so that the UE regard the resource of the previous subframe of the scheduled subframe as progress
The detection resource of the LBT detections.
Optionally, in the embodiment, above-mentioned detection resource can be the previous height of the scheduled subframe
The SRS symbols of frame；Or
Above-mentioned detection resource can be the idling-resource of the previous subframe of the scheduled subframe.
As an alternative embodiment, above-mentioned configured information can indicate that the scheduled sub-frame configuration has
LBT resources, so that the UE regard LBT resources described in the scheduled subframe as the progress LBT
The detection resource of operation.
Optionally, embodiment, as shown in figure 9, above-mentioned base station can also include：
Second sending module 83, indicates that taking SRS symbols carries out uplink for being sent to the UE
Signaling；
Receiving module 82 can be used for receiving the UE and be included according to the signaling in scheduled subframe
The uplink carried out in resource including SRS symbols using the channel.
In the present embodiment, above-mentioned base station can be the base station in the embodiment shown in Fig. 1-Fig. 5, and Fig. 1-
Any embodiment of base station can be realized by the base station in the present embodiment in embodiment shown in Fig. 5,
Here repeat no more.Above-mentioned base station can save transfer resource.
Referring to Figure 10, a kind of UE structure is shown in figure, the UE includes：Processor 1000, transmitting-receiving
Machine 1010, memory 1020, user interface 1030 and EBI, wherein：
Processor 1000, for reading the program in memory 1020, performs following process：
The configured information that base station is sent is received by transceiver 1010；
Determined to carry out the detection resource of LBT detections according to the configured information；
The LBT detections access channel is carried out in the detection resource, and institute is used in scheduled subframe
State channel and carry out uplink to the base station.
Wherein, transceiver 1010, for data to be received and sent under the control of processor 1000.
In Fig. 10, bus architecture can include the bus and bridge of any number of interconnection, specifically by handling
The various circuits link for the memory that the one or more processors and memory 1020 that device 1000 is represented are represented
Together.Bus architecture can also be by each of such as ancillary equipment, voltage-stablizer and management circuit or the like
Plant other circuits to link together, these are all it is known in the art, therefore, herein no longer carrying out it
Further describe.EBI provides interface.Transceiver 1010 can be multiple element, i.e., including sending
There is provided the unit for being communicated over a transmission medium with various other devices for machine and receiver.For different
User equipment, user interface 1030 can also be can it is external it is inscribed need the interface of equipment, connection is set
Standby including but not limited to keypad, display, loudspeaker, microphone, control stick etc..
Processor 1000 is responsible for bus architecture and common processing, and memory 1020 can store processing
The used data when performing operation of device 1000.
As an alternative embodiment, the execution of processor 1000 is above-mentioned true according to the configured information
Surely the detection resource of LBT detections is carried out, can be included：
, will be described scheduled if the configured information indicates that the scheduled subframe is configured without LBT resources
The resource of the previous subframe of subframe is used as the detection resource for carrying out the LBT detections.
Optionally, in the embodiment, processor 1000 perform by the previous of the scheduled subframe
The resource of subframe can include as the detection resource for carrying out the LBT detections：
The detection reference signal SRS symbols of the previous subframe of the scheduled subframe is described as carrying out
The detection resource of LBT detections；Or
It regard the idling-resource of the previous subframe of the scheduled subframe as the inspection for carrying out the LBT detections
Survey resource.
As an alternative embodiment, processor 1000 perform according to the configured information determine into
The detection resource of row LBT detections, can include：
If the configured information indicates that the scheduled sub-frame configuration has LBT resources, by the scheduled son
LBT resources described in frame is used as the detection resource for carrying out the LBT operations.
Optionally, in the embodiment, processor 1000 can also carry out following process：
Receive the signaling for the instruction occupancy SRS symbol progress uplink that the base station is sent；
What processor 1000 was performed uses the channel to carry out up pass to the base station in scheduled subframe
It is defeated, it can include：
The channel is used in the resource including scheduled subframe includes SRS symbols according to the signaling
Uplink is carried out to the base station.
In the present embodiment, above-mentioned UE can be the UE in the embodiment shown in Fig. 1-Fig. 5, and Fig. 1-figure
UE any embodiment can be realized by the UE in the present embodiment in embodiment shown in 5, this
In repeat no more.Above-mentioned UE can save transfer resource.
Referring to Figure 11, a kind of structure of base station is shown in figure, the base station includes：Processor 1100, transmitting-receiving
Machine 1110, memory 1120, user interface 1130 and EBI, wherein：
Processor 1100, for reading the program in memory 1120, performs following process：
Configured information is sent to UE by transceiver 1110, so that the UE is true according to the configured information
Surely the detection resource of LBT detections is carried out, the LBT detections access channel is carried out in the detection resource；
By transceiver 1110 receive the UE in scheduled subframe using the channel carry out it is up
Transmission.
Transceiver 1110, for data to be received and sent under the control of processor 1100.
Wherein, in fig. 11, bus architecture can include the bus and bridge of any number of interconnection, specifically
The various electricity for the memory that the one or more processors and memory 1120 represented by processor 1100 are represented
Road is linked together.Bus architecture can also by ancillary equipment, voltage-stablizer and management circuit etc. it
Various other circuits of class are linked together, these be all it is known in the art, therefore, it is no longer right herein
It is described further.EBI provides interface.Transceiver 1110 can be multiple element, that is, wrap
Including transmitter and transceiver, there is provided the unit for being communicated over a transmission medium with various other devices.Processing
Device 1100 is responsible for bus architecture and common processing, and memory 1120 can store processor 1100
The used data when performing operation.
Processor 1100 is responsible for bus architecture and common processing, and memory 1120 can store processing
The used data when performing operation of device 1100.
As an alternative embodiment, above-mentioned configured information can indicate that the scheduled subframe is not matched somebody with somebody
LBT resources are put, so that the UE regard the resource of the previous subframe of the scheduled subframe as progress
The detection resource of the LBT detections.
Optionally, in the embodiment, above-mentioned detection resource can be the previous height of the scheduled subframe
The SRS symbols of frame；Or
Above-mentioned detection resource can be the idling-resource of the previous subframe of the scheduled subframe.
As an alternative embodiment, above-mentioned configured information can indicate that the scheduled sub-frame configuration has
LBT resources, so that the UE regard LBT resources described in the scheduled subframe as the progress LBT
The detection resource of operation.
Optionally, in the embodiment, processor 1100 can also carry out following process：
Sent to the UE and indicate to take the signaling that SRS symbols carry out uplink；
What processor 1100 was performed receive the UE by transceiver 1110 uses institute in scheduled subframe
The uplink of channel progress is stated, including：
By transceiver 1110 receive the UE according to the signaling scheduled subframe include SRS symbol
The uplink carried out in resource including number using the channel.
In the present embodiment, above-mentioned base station can be the base station in the embodiment shown in Fig. 1-Fig. 5, and Fig. 1-
Any embodiment of base station can be realized by the base station in the present embodiment in embodiment shown in Fig. 5,
Here repeat no more.Above-mentioned base station can save transfer resource.
Referring to Figure 12, a kind of structure of uplink system is shown in figure, the system includes：
Base station 121, for sending configured information to UE122；
UE122, the configured information for receiving base station transmission；
UE122 is additionally operable to be determined to carry out the detection resource of LBT detections according to the configured information；
UE122 is additionally operable to carry out the LBT detections access channel in the detection resource, and scheduled
In subframe uplink is carried out using the channel to the base station；
Base station 121 be additionally operable to receive UE122 in the scheduled subframe using the channel carry out it is upper
Row transmission.
In the present embodiment, base station 121 and UE122 can be the bases introduced in Fig. 1-embodiment illustrated in fig. 11
Stand and UE, embodiments thereof be able to can also reach identical referring to the embodiment shown in Fig. 1-Figure 11
Technique effect, will not be repeated here.
, can be with several embodiments provided herein, it should be understood that disclosed method and apparatus
Realize by another way.For example, device embodiment described above is only schematical, for example,
The division of the unit, only a kind of division of logic function, can there is other division side when actually realizing
Formula, such as multiple units or component can combine or be desirably integrated into another system, or some features can
To ignore, or do not perform.It is another, shown or discussed coupling or direct-coupling or logical each other
Letter connection can be by some interfaces, the INDIRECT COUPLING or communication connection of device or unit, can be it is electrical,
Machinery or other forms.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit,
Can also be that the independent physics of unit includes, can also two or more units be integrated in a unit
In.Above-mentioned integrated unit can both be realized in the form of hardware, it would however also be possible to employ hardware adds software function
The form of unit is realized.
The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in a computer can
Read in storage medium.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used
To cause a computer equipment (can be personal computer, server, or network equipment etc.) to perform
The part steps of receiving/transmission method described in each embodiment of the invention.And foregoing storage medium includes：USB flash disk,
Mobile hard disk, read-only storage (Read-Only Memory, abbreviation ROM), random access memory
(Random Access Memory, abbreviation RAM), magnetic disc or CD etc. are various can be with storage program generation
The medium of code.
Described above is the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (21)
1. a kind of ascending transmission method, it is characterised in that including：
Receive the configured information that base station is sent；
Determined to carry out the detection resource of listem-before-talk LBT detections according to the configured information；
The LBT detections access channel is carried out in the detection resource, and institute is used in scheduled subframe
State channel and carry out uplink to the base station.
2. the method as described in claim 1, it is characterised in that described to be determined according to the configured information
The detection resource of LBT detections is carried out, including：
, will be described scheduled if the configured information indicates that the scheduled subframe is configured without LBT resources
The resource of the previous subframe of subframe is used as the detection resource for carrying out the LBT detections.
3. method as claimed in claim 2, it is characterised in that described by before the scheduled subframe
The resource of one subframe as the detection resource for carrying out the LBT detections, including：
The detection reference signal SRS symbols of the previous subframe of the scheduled subframe is described as carrying out
The detection resource of LBT detections；Or
It regard the idling-resource of the previous subframe of the scheduled subframe as the inspection for carrying out the LBT detections
Survey resource.
4. the method as any one of claim 1-3, it is characterised in that described to be referred to according to described
Show that information determines to carry out the detection resource of LBT detections, including：
If the configured information indicates that the scheduled sub-frame configuration has LBT resources, by the scheduled son
LBT resources described in frame is used as the detection resource for carrying out the LBT operations.
5. method as claimed in claim 4, it is characterised in that methods described also includes：
Receive the signaling for the instruction occupancy SRS symbol progress uplink that the base station is sent；
It is described to carry out uplink to the base station using the channel in scheduled subframe, including：
The channel is used in the resource including scheduled subframe includes SRS symbols according to the signaling
Uplink is carried out to the base station.
6. a kind of ascending transmission method, it is characterised in that including：
Configured information is sent to UE, so that the UE determines to carry out LBT detections according to the configured information
Detection resource, carry out LBT detection access channel in the detection resource；
Receive the uplink that the UE is carried out in scheduled subframe using the channel.
7. method as claimed in claim 6, it is characterised in that the configured information indicates described adjusted
Degree subframe is configured without LBT resources, so that the UE is by the previous subframe of the scheduled subframe
Resource is used as the detection resource for carrying out the LBT detections.
8. method as claimed in claim 7, it is characterised in that the detection resource is described scheduled
The SRS symbols of the previous subframe of subframe；Or
The detection resource is the idling-resource of the previous subframe of the scheduled subframe.
9. method as claimed in claim 6, it is characterised in that the configured information indicates described adjusted
Degree sub-frame configuration has LBT resources, so that the UE makees LBT resources described in the scheduled subframe
To carry out the detection resource of the LBT operations.
10. method as claimed in claim 9, it is characterised in that methods described also includes：
Sent to the UE and indicate to take the signaling that SRS symbols carry out uplink；
The uplink that the reception UE is carried out in scheduled subframe using the channel, including：
The UE is received according to the signaling in the resource including scheduled subframe includes SRS symbols
The uplink carried out using the channel.
11. a kind of UE, it is characterised in that including：
First receiving module, the configured information for receiving base station transmission；
Determining module, for being determined to carry out the detection resource of LBT detections according to the configured information；
Transport module, for carrying out the LBT detections access channel in the detection resource, and is being adjusted
Spending in subframe uses the channel to carry out uplink to the base station.
12. UE as claimed in claim 11, it is characterised in that if the determining module is used for described refer to
Show that information indicates that the scheduled subframe is configured without LBT resources, by the previous of the scheduled subframe
The resource of subframe is used as the detection resource for carrying out the LBT detections.
13. UE as claimed in claim 12, it is characterised in that the determining module is used for the quilt
The SRS symbols of the previous subframe of scheduling subframe are used as the detection resource for carrying out the LBT detections；Or
The determining module is used to regard the idling-resource of the previous subframe of the scheduled subframe as progress
The detection resource of the LBT detections.
14. the UE as any one of claim 11-13, it is characterised in that the determining module
If indicating that the scheduled sub-frame configuration has LBT resources for the configured information, by the scheduled son
LBT resources described in frame is used as the detection resource for carrying out the LBT operations.
15. UE as claimed in claim 14, it is characterised in that the UE also includes：
Second receiving module, the up biography of SRS symbols progress is taken for receiving the instruction that the base station is sent
Defeated signaling；
The transport module is used for the money including scheduled subframe includes SRS symbols according to the signaling
In source uplink is carried out using the channel to the base station.
16. a kind of base station, it is characterised in that including：
First sending module, for sending configured information to UE, so that the UE indicates to believe according to described
Breath determines to carry out the detection resource of LBT detections, in the detection resource progress LBT detections access letter
Road；
Receiving module, for receiving the up biography that the UE is carried out in scheduled subframe using the channel
It is defeated.
17. base station as claimed in claim 16, it is characterised in that the configured information indicates the quilt
Scheduling subframe is configured without LBT resources, so that the UE is by the previous subframe of the scheduled subframe
Resource be used as the detection resource for carrying out the LBT detections.
18. base station as claimed in claim 17, it is characterised in that the detection resource is adjusted to be described
Spend the SRS symbols of the previous subframe of subframe；Or
The detection resource is the idling-resource of the previous subframe of the scheduled subframe.
19. base station as claimed in claim 16, it is characterised in that the configured information indicates the quilt
Scheduling subframe is configured with LBT resources, so that the UE is by LBT resources described in the scheduled subframe
It is used as the detection resource for carrying out the LBT operations.
20. base station as claimed in claim 19, it is characterised in that the base station also includes：
Second sending module, indicates that taking SRS symbols carries out uplink for being sent to the UE
Signaling；
The receiving module includes SRS according to the signaling for receiving the UE in scheduled subframe
The uplink carried out in resource including symbol using the channel.
21. a kind of uplink system, it is characterised in that including：
Base station, for sending configured information to UE；
The UE, the configured information for receiving base station transmission；
The UE is additionally operable to be determined to carry out the detection resource of LBT detections according to the configured information；
The UE is additionally operable to carry out the LBT detections access channel in the detection resource, and is being adjusted
Spending in subframe uses the channel to carry out uplink to the base station；
The base station be additionally operable to receive the UE in the scheduled subframe using the channel carry out it is upper
Row transmission.
Priority Applications (3)
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| CN201610197551.0A CN107295648B (en) | 2016-03-31 | 2016-03-31 | Uplink transmission method, UE, base station and system |
| PCT/CN2017/078570 WO2017167196A1 (en) | 2016-03-31 | 2017-03-29 | Uplink transmission method, user equipment, base station and system |
| TW106110682A TWI655852B (en) | 2016-03-31 | 2017-03-30 | Uplink transmission method, user equipment, base station and system |
Applications Claiming Priority (1)
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| CN201610197551.0A CN107295648B (en) | 2016-03-31 | 2016-03-31 | Uplink transmission method, UE, base station and system |
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| CN110167187A (en) * | 2018-02-13 | 2019-08-23 | 展讯通信（上海）有限公司 | Configuration method, equipment and the readable medium of LBT strategy in unlicensed spectrum |
| WO2020143057A1 (en) * | 2019-01-11 | 2020-07-16 | Oppo广东移动通信有限公司 | Method and apparatus for determining channel access scheme, terminal device, and network device |
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| US20230319932A1 (en) * | 2020-08-07 | 2023-10-05 | Lenovo (Beijing) Limited | Methods and apparatus for providing assistant information for uplink scheduling |
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Also Published As
| Publication number | Publication date |
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| TWI655852B (en) | 2019-04-01 |
| TW201737668A (en) | 2017-10-16 |
| WO2017167196A1 (en) | 2017-10-05 |
| CN107295648B (en) | 2020-03-06 |
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Effective date of registration: 20210607 Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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