CN104936293B - Communication means and device in a kind of unlicensed spectrum - Google Patents
Communication means and device in a kind of unlicensed spectrum Download PDFInfo
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- CN104936293B CN104936293B CN201410103740.8A CN201410103740A CN104936293B CN 104936293 B CN104936293 B CN 104936293B CN 201410103740 A CN201410103740 A CN 201410103740A CN 104936293 B CN104936293 B CN 104936293B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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Abstract
The invention proposes the communication means and device in a kind of unlicensed spectrum.The configuration of the tdd frame structure in unlicensed spectrum is caused to be limited this problem for the size of eIMTA signaling, the solution of the present invention makes what configure in eIMTA signaling one group of tdd frame structure was applicable in cover target UE described to the multiple frequency bands being scheduled in framing to framing.For each subframe, the tdd frame structure dynamics configuration number that the solution of the present invention supports eIMTA signaling maximum becomes " actual schedule carrier number " by " configuration carrier number ", has preferably adapted to DFS technology.As one embodiment, dispatching the reconstruct index in the corresponding logical message of virtual index in DCI and which group tdd frame structure in eIMTA signaling indicated is the tdd frame structure that the scheduling DCI is used.Furthermore the present invention reuses CA the and eIMTA scheme in existing LTE as far as possible, has preferable compatibility.
Description
Technical field
The present invention relates to the schemes that unlicensed spectrum communication is utilized in wireless communication system, more particularly to based on LTE
The communication means for unlicensed spectrum (Unlicensed Spectrum) of (Long Term Evolution, long term evolution)
And device.
Background technique
3GPP(3rd Generation Partner Project, third generation cooperative partner program) R(Release, version
This) eIMTA(enhanced Interference Management Traffic Adaptation is introduced in 12, enhancing
Interference management service adaptation) technology, i.e., for TDD(Time Division Duplex, time division duplex) and frame structure, Neng Goutong
Dynamic signaling adjustment tdd frame structure is crossed, possible tdd frame structure includes the totally 7 kinds of tdd frame structures of #0~6 defined in LTE.
3GPP RAN(Radio Access Network, wireless access network) #76 meeting further clarified for configuring frame structure
Dynamic signaling (eIMTA signaling) have the following characteristics that
Payload size is equal to the payload size of format 1C
It is placed on CSS(Common Search Space, public search space)
Every 3 bit indications, one group of tdd frame structure, eIMTA signaling at most configure 5 groups of tdd frame structures
In traditional 3GPP LTE system, data transmission be can only occur on authorization frequency spectrum, however as the urgency of portfolio
Increase severely big, especially in some urban areas, frequency spectrum is authorized to be likely difficult to meet the needs of portfolio.62 plenary sessions of 3GPP RAN
A new research topic is discussed, i.e. the comprehensive research (RP-132085) of unlicensed spectrum, main purpose is that research and utilization exists
The dependent (Non-standalone) of LTE in unlicensed spectrum is disposed, and so-called dependent refers in unlicensed spectrum
Communication wants and authorizes the serving cell on frequency spectrum associated.One intuitive method is the CA reused in existing system as far as possible
The concept of (Carrier Aggregation, carrier wave polymerization), that is, be deployed in the serving cell on authorization frequency spectrum as PCC
(Primary Component Carrier, main carrier), is deployed in the serving cell in unlicensed spectrum as SCC
(Secondary Component Carrier, secondary carrier).For unlicensed spectrum, it is contemplated that its interference level it is uncontrollable
System/prediction, UE may be configured more carrier waves while use DFS(Dynamical Frequency Selection, dynamic
Frequency spectrum selection) mode (giving stator frame) select partial carrier wave from optional carrier wave and be used for transmission data.Further,
In view of the bandwidth of unlicensed spectrum is larger, such as only just there is the available unlicensed spectrum of about 500MHz near 5GHz carrier frequency,
The number of carrier wave that UE can work may be larger (being much larger than existing maximum service cell number -5).
When carrier wave (in conjunction with the DFS technology) number in the unlicensed spectrum that unlicensed spectrum supports eIMTA and configuration is greater than 5
When, since eIMTA signaling at most configures 5 groups of tdd frame structures, multiple carrier waves will share one group of tdd frame structure, bring scheduling limit
System.
In view of the above-mentioned problems, the invention discloses communication means and device in a kind of unlicensed spectrum.
Summary of the invention
The invention discloses a kind of UE(User Equipment, user equipmenies) in method, wherein including walking as follows
It is rapid:
Step A. receives high-level signaling acquisition logical message and N group configuration information, the configuration information include carrier index
And working band, the logical message include carrier wave logic index and reconstruct index
Step B. receives the first signaling and obtains to the L group tdd frame structure of framing, wherein the reconstruct indexes corresponding position
Tdd frame structure be the second tdd frame structure
Step C. determines that the first physical resource can be used for downlink transfer, the first physical resource include in the time domain it is described to
Non- DRX(Discontinuous in the downlink subframe and special subframe of correspondence the second tdd frame structure in framing
Reception, discontinuous to receive) subframe, frequency domain resource of first physical resource in a subframe is the N group configuration information
In one group of configuration information working band.
Wherein, the first signaling is physical layer signaling, and the L is positive integer, and the reconstruct index is being no more than the L just
Integer, the working band in the N group configuration information belong to unlicensed spectrum, and the N is greater than 1 positive integer.
The tdd frame structure is one of TDD UL-DL frame structure #0~6.As one embodiment, the downlink is passed
Defeated is the transmission of downlink physical layer data.As another embodiment, the downlink transfer include downlink physical layer data transmission and
Down physical layer signalling.
If DRX subframe exists, DRX subframe is configured by high-level signaling.
First physical resource is in different groups that the frequency domain resource in different subframes may be in the N group configuration information respectively
The working band of configuration information.
As one embodiment, the working band includes centre carrier frequency and carrier bandwidths.As another implementation
Example, the working band includes lower carrier frequency and upper carrier frequency.
As one embodiment, the positive integer-that the carrier wave logic index is less than 8 indicates the load using 3 bits
Wave logic indexes and 0 is allocated to main plot.
As one embodiment, the high-level signaling is RRC(Radio Resource Control, wireless heterogeneous networks)
Signaling.
As one embodiment, DRX subframe is not present, it may be assumed that the first physical resource includes described in framing in the time domain
Correspondence the second tdd frame structure downlink subframe and special subframe.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step D. receives the second signaling and determines following information:
Virtual index, the virtual index are indexed equal to the carrier wave logic
Scheduling information
Physics index, the physics index is positive integer
Step E. according to the scheduling information in the first physical frequency band described in in framing to processed material in stator frame
Manage signal.If described belong to the first physical resource to stator frame, the processing is to receive；It to stator frame is first if described
Subframe except physical resource, the processing are to send.
Wherein, the second signaling is physical layer signaling, and the first physical frequency band is the working band in the first configuration information, first
Configuration information is that the carrier index in the N group configuration information is equal to 1 group of configuration information that the physics indexes.
Specifically, above-mentioned aspect according to the present invention, which is characterized in that the payload size of the first signaling is that the first signaling passes
The payload size of format 1C on defeated carrier wave, the first signaling is by eIMTA-RNTI(Radio Network Temporary
Identifier, the tentative mark of wireless network) it identifies, the L is no more than 5 positive integer.The transmission subframe of first signaling is
By high-level signaling configuration.
Specifically, according to an aspect of the present invention, which is characterized in that the physics index is the N group configuration information
Working band in include the second signaling transmission band one group of configuration information in carrier index.I.e. the second signaling is not aobvious
The instruction of the formula physics index, but the implicit transmission carrier wave using oneself indicates.
Specifically, according to an aspect of the present invention, which is characterized in that the logical message further includes cross-carrier information,
Second physical frequency band of cross-carrier message identification, the second physical frequency band are the physical frequency bands of the second signalling.
As one embodiment, the cross-carrier information is serving cell index, and the second signaling is by corresponding serving cell
Transmission.As another embodiment, it is described cross-carrier that the second physical frequency band is that carrier index in the N group configuration information is equal to
Working band in 1 group of configuration information of information.
Specifically, according to an aspect of the present invention, which is characterized in that the step C further includes following steps:
Step C1. detects second on the working band in the N group configuration information in the subframe of the first physical resource
Signaling.
Specifically, according to an aspect of the present invention, which is characterized in that if the second signaling is downlink DCI, the second signaling
Described defeated to stator frame upload；If the second signaling is uplink DCI, the second signaling is described to k-th of son before stator frame
Frame transmission, the k are in the first tdd frame structure for the PUSCH(Physical Uplink Shared to stator frame
Channel, Physical Uplink Shared Channel) scheduler latency.
The downlink DCI refers to the DCI for dispatching downlink data, including DCI format 1/1A/1B/1C/1D/2/2A/
2B/2C/2D；The uplink DCI refers to the DCI for scheduling of upstream transmissions, including DCI format 0/4.The k is as shown in table 1.
PUSCH scheduler latency k in table 1:TDD LTE
The invention discloses a kind of methods in base station, wherein includes the following steps:
Step A. sends high-level signaling instruction logical message and N group configuration information, the configuration information include carrier index
And working band, the logical message include carrier wave logic index and reconstruct index
Step B. sends the L group tdd frame structure that the first signaling is indicated to framing, wherein the reconstruct indexes corresponding position
Tdd frame structure be the second tdd frame structure
Step C. selects the resource for downlink transfer in the first physical resource, and the first physical resource wraps in the time domain
Include the non-DRX subframe in the downlink subframe and special subframe to correspondence the second tdd frame structure in framing, the first physics money
Source is in the working band that the frequency domain resource in a subframe is one group of configuration information in the N group configuration information.
Wherein, the first signaling is physical layer signaling, and the L is positive integer, and the reconstruct index is being no more than the L just
Integer, the working band in the N group configuration information belong to unlicensed spectrum, and the N is greater than 1 positive integer.
As one embodiment, the downlink transfer is the transmission of downlink physical layer data.It is described as another embodiment
Downlink transfer includes the transmission of downlink physical layer data and down physical layer signalling.
Specifically, according to an aspect of the present invention, which is characterized in that further include following steps:
Step D. sends the second signaling and indicates following information:
Virtual index, the virtual index are indexed equal to the carrier wave logic
Scheduling information
Physics index, the physics index is positive integer
Step E. according to the scheduling information in the first physical frequency band described in in framing to processed material in stator frame
Manage signal.If described belong to the first physical resource to stator frame, the processing is to send；It to stator frame is first if described
Subframe except physical resource, the processing are to receive.
Wherein, the second signaling is physical layer signaling, and the first physical frequency band is the working band in the first configuration information, first
Configuration information is that the carrier index in the N group configuration information is equal to 1 group of configuration information that the physics indexes.
Specifically, above-mentioned aspect according to the present invention, which is characterized in that the payload size of the first signaling is that the first signaling passes
The payload size of format 1C on defeated carrier wave, the first signaling are identified by eIMTA-RNTI, and the L is no more than 5 positive integer.The
The transmission subframe of one signaling is configured by high-level signaling.
Specifically, according to an aspect of the present invention, which is characterized in that the physics index is the N group configuration information
Working band in include the second signaling transmission band one group of configuration information in carrier index.I.e. the second signaling is not aobvious
The instruction of the formula physics index, but the implicit transmission carrier wave using oneself indicates.
Specifically, according to an aspect of the present invention, which is characterized in that the logical message further includes cross-carrier information,
Second physical frequency band of cross-carrier message identification, the second physical frequency band are the physical frequency bands of the second signalling.
As one embodiment, the cross-carrier information is serving cell index, and the second signaling is by corresponding serving cell
Transmission.As there is one embodiment, it is described cross-carrier that the second physical frequency band is that the carrier index in the N group configuration information is equal to
Working band in 1 group of configuration information of information.
Specifically, according to an aspect of the present invention, which is characterized in that if the second signaling is downlink DCI, the second signaling
Described defeated to stator frame upload；If the second signaling is uplink DCI, the second signaling is described to k-th of son before stator frame
Frame transmission, the k are in the first tdd frame structure for the PUSCH scheduler latency to stator frame.
The invention discloses a kind of user equipmenies, which is characterized in that the equipment includes:
First module: logical message and N group configuration information are obtained for receiving high-level signaling, the configuration information includes carrying
Wave index and working band, the logical message include carrier wave logic index and reconstruct index
Second module: obtaining for receiving the first signaling to the L group tdd frame structure of framing, wherein reconstruct index pair
The tdd frame structure for answering position is the second tdd frame structure
Third module: for determining that the first physical resource can be used for downlink transfer, the first physical resource includes in the time domain
Non- DRX subframe in the downlink subframe and special subframe to correspondence the second tdd frame structure in framing, the first physical resource
In the working band that the frequency domain resource in a subframe is one group of configuration information in the N group configuration information
4th module: following information is determined for receiving the second signaling:
Virtual index, the virtual index are indexed equal to the carrier wave logic
Scheduling information
Physics index, the physics index is positive integer
5th module: for according to the scheduling information in the first physical frequency band described in in framing to stator frame
Handle physical signal.If described belong to the first physical resource to stator frame, the processing is to receive；If described give stator frame
It is the subframe except the first physical resource, the processing is to send.
Wherein, the first signaling is physical layer signaling, and the L is positive integer, and the reconstruct index is being no more than the L just
Integer, the working band in the N group configuration information belong to unlicensed spectrum, and the N is greater than 1 positive integer.Second letter
Order is physical layer signaling, and the first physical frequency band is the working band in the first configuration information, and the first configuration information is that the N is assembled
Carrier index in confidence breath is equal to 1 group of configuration information of physics index.
As one embodiment, third module is also used in the subframe of the first physical resource in the N group configuration information
In working band on detect the second signaling.
The invention discloses a kind of base station equipments, which is characterized in that the equipment includes:
First module: for sending high-level signaling instruction logical message and N group configuration information, the configuration information includes carrying
Wave index and working band, the logical message include carrier wave logic index and reconstruct index
Second module: the L group tdd frame structure for being indicated to framing for sending the first signaling, wherein reconstruct index pair
The tdd frame structure for answering position is the second tdd frame structure
Third module: selection is used for the resource of downlink transfer in the first physical resource, and the first physical resource is in the time domain
Including the non-DRX subframe in the downlink subframe and special subframe to correspondence the second tdd frame structure in framing, the first physics
Resource is in the working band that the frequency domain resource in a subframe is one group of configuration information in the N group configuration information.
4th module: following information is indicated for sending the second signaling:
Virtual index, the virtual index are indexed equal to the carrier wave logic
Scheduling information
Physics index, the physics index is positive integer
5th module: for according to the scheduling information in the first physical frequency band described in in framing to stator frame
Handle physical signal.If described belong to the first physical resource to stator frame, the processing is to send；If described give stator frame
It is the subframe except the first physical resource, the processing is to receive.
Wherein, the first signaling is physical layer signaling, and the L is positive integer, and the reconstruct index is being no more than the L just
Integer, the working band in the N group configuration information belong to unlicensed spectrum, and the N is greater than 1 positive integer.Second letter
Order is physical layer signaling, and the first physical frequency band is the working band in the first configuration information, and the first configuration information is that the N is assembled
Carrier index in confidence breath is equal to 1 group of configuration information of physics index.
The configuration of the tdd frame structure in unlicensed spectrum is caused to be limited this problem, this hair for the size of eIMTA signaling
A kind of bright communication means and device proposed in unlicensed spectrum, what the one group of tdd frame structure configured in eIMTA signaling was applicable in
Target UE is covered described to the multiple frequency bands being scheduled in framing to framing.For each subframe, the solution of the present invention
So that the tdd frame structure dynamics configuration number that eIMTA signaling maximum is supported becomes " actual schedule carrier number " by " configuration carrier number ",
DFS technology is preferably adapted to.As one embodiment, the reconstruct in the corresponding logical message of virtual index in DCI is dispatched
It is the tdd frame structure that the scheduling DCI is used that index, which indicates which group tdd frame structure in eIMTA signaling,.Furthermore of the invention
CA the and eIMTA scheme in existing LTE is reused as far as possible, and there is preferable compatibility.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent:
Fig. 1 shows the flow chart according to an embodiment of the invention that downlink data is transmitted in unlicensed spectrum；
Fig. 2 shows the according to an embodiment of the invention scheduling schematic diagram based on eIMTA；
Fig. 3 shows the schematic diagram of the second signaling according to an embodiment of the invention；
Fig. 4 shows the structural block diagram of the processing unit in UE according to an embodiment of the invention；
Fig. 5 shows the structural block diagram of the processing unit in base station according to an embodiment of the invention；
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with attached drawing, it should be noted that do not rushing
In the case where prominent, the feature in embodiments herein and embodiment can be arbitrarily combined with each other.
Embodiment 1
Embodiment 1 illustrates the flow chart that downlink data is transmitted in unlicensed spectrum, as shown in Fig. 1.In attached drawing 1,
Base station N1 is the serving BS of UE U2, and step S14, S15, S24, S25 are optional steps.
ForBase station N1, in step s 11, send high-level signaling instruction logical message and N group configuration information；In step
In S12, the L group tdd frame structure that the first signaling is indicated to framing is sent, wherein the tdd frame knot of the reconstruct index corresponding position
Structure is the second tdd frame structure；In step s 13, resource of the selection for downlink transfer in the first physical resource.
ForUE U2, in the step s 21, receive high-level signaling and obtain logical message and N group configuration information；In step S22
In, it receives the first signaling and obtains to the L group tdd frame structure of framing, wherein the tdd frame structure of the reconstruct index corresponding position is
Second tdd frame structure；In step S23, determine that the first physical resource can be used for downlink transfer.
In embodiment 1, the first signaling is physical layer signaling, and the L is positive integer, and the reconstruct index is no more than described
The positive integer of L, the working band in the N group configuration information belong to unlicensed spectrum, and the N is greater than 1 positive integer.Institute
Stating configuration information includes carrier index and working band, and the logical message includes carrier wave logic index and reconstruct index.
First physical resource includes the downlink subframe to correspondence the second tdd frame structure in framing and spy in the time domain
Non- DRX subframe in different subframe, the first physical resource is one in the N group configuration information in the frequency domain resource in a subframe
The working band of group configuration information.The payload size of first signaling is the load ruler of the format 1C on the first signalling carrier wave
Very little, the first signaling is identified by eIMTA-RNTI, and the L is no more than 5 positive integer.The transmission subframe of first signaling is by high level
Signal deployment.
Sub- embodiment 1 as embodiment 1:
ForBase station N1, in step S14, sends the second signaling and indicates following information:
Virtual index, the virtual index are indexed equal to the carrier wave logic
Scheduling information
Physics index, the physics index is positive integer；
In step S15, according to the scheduling information in the first physical frequency band described in in framing in stator frame
Handle physical signal.If described belong to the first physical resource to stator frame, the processing is to send；If described give stator frame
It is the subframe except the first physical resource, the processing is to receive.
ForUE U2, in step s 24, receives the second signaling and determines following information:
Virtual index, the virtual index are indexed equal to the carrier wave logic
Scheduling information
Physics index, the physics index is positive integer；
In step s 25, described according to the scheduling information in the first physical frequency band in framing in stator frame
Handle physical signal.If described belong to the first physical resource to stator frame, the processing is to receive；If described give stator frame
It is the subframe except the first physical resource, the processing is to send.
In the sub- embodiment 1 of embodiment 1, the second signaling is physical layer signaling, and the first physical frequency band is the first configuration information
In working band, the first configuration information is that carrier index in the N group configuration information is equal to the 1 of physics index and assembles
Confidence breath.The physics index is following one:
The bit explicit instruction carried by the second signaling
It include the transmission of the second signaling by the second signaling implicit instruction, i.e., in the working band of the described N group configuration information
Carrier index in one group of configuration information of frequency band.
As the sub- embodiment 2 of embodiment 1, in step S23, UE U2 is in the subframe of the first physical resource in the N
The second signaling is detected on N group working band in group configuration information.
Embodiment 2
Embodiment 2 illustrates the scheduling schematic diagram based on eIMTA, as shown in Fig. 2.In attached drawing 2, physical carrier CC1~3
It is deployed in unlicensed spectrum.Wherein the lattice of backslash mark indicates the subframe for being scheduled as uplink, oblique line mark
Lattice indicates the subframe for being scheduled as downlink transfer.
For base station, first transmission high-level signaling instruction logical message and 3 groups of configuration informations；Then the first signaling is sent to refer to
Show and be no more than 5 groups of tdd frame structures to framing, wherein the tdd frame structure of the reconstruct index corresponding position is the second tdd frame knot
Structure；Then resource of the selection for downlink transfer in the first physical resource；Then it sends the second signaling and indicates following information:
Virtual index, the virtual index are indexed equal to the carrier wave logic
Scheduling information
Physics index, the physics index is positive integer；
Described in finally according to the scheduling information in the first physical frequency band in framing to handling physics in stator frame
Signal.If described belong to the first physical resource to stator frame, the processing is to send；It to stator frame is the first object if described
The subframe except resource is managed, the processing is to receive.
For UE, reception high-level signaling first obtains logical message and 3 groups of configuration informations；Then the acquisition of the first signaling is received
It is no more than 5 groups of tdd frame structures to framing, wherein the tdd frame structure of the reconstruct index corresponding position is the second tdd frame knot
Structure；Then determine that the first physical resource can be used for downlink transfer；Then it receives the second signaling and determines following information:
Virtual index
Scheduling information
Physics index；
Described in finally according to the scheduling information in the first physical frequency band in framing to handling physics in stator frame
Signal.If described belong to the first physical resource to stator frame, the processing is to receive；It to stator frame is the first object if described
The subframe except resource is managed, the processing is to send.
In embodiment 2, the first signaling is physical layer signaling, the positive integer for reconstructing index and being no more than 5, described 3 groups
Working band in configuration information belongs to unlicensed spectrum.The configuration information includes carrier index and working band, described
Logical message includes carrier wave logic index and reconstruct index.Second signaling is physical layer signaling, and the first physical frequency band is first to match
Working band in confidence breath, the first configuration information are that the carrier index in 3 groups of configuration informations is indexed equal to the physics
1 group of configuration information.First physical resource includes downlink to correspondence the second tdd frame structure in framing in the time domain
Non- DRX subframe in frame and special subframe, frequency domain resource of first physical resource in a subframe are 3 groups of configuration informations
In one group of configuration information working band.
As the sub- embodiment 1 of embodiment 2, described to framing is first frame (subframe #0~9) in attached drawing 2, the 2nd TDD
Frame structure is TDD UL-DL frame structure #0, and the first physical resource includes subframe #0/1/5/6 in the time domain, and the logical message is also
Including cross-carrier information, cross-carrier second physical frequency band of message identification, the second physical frequency band is the object of the second signalling
Manage frequency band.Described to stator frame is a subframe (subframe-backslash in subframe #2/3/4/7/8/9 except the first physical resource
Line mark), the second signaling is uplink DCI, the second signaling it is described to stator frame before k-th of sub-frame transmission, the k is first
For the PUSCH scheduler latency for giving stator frame in tdd frame structure.
As the sub- embodiment 2 of embodiment 2, described to framing is the second frame (subframe 10~19) in attached drawing 2, second
Tdd frame structure is TDD UL-DL frame structure #2, and the first physical resource includes subframe #10/11/13/14/15/16/ in the time domain
18/19.Described to stator frame is a subframe in the first physical resource (in subframe #10/11/13/14/15/16/18/19
One subframe-oblique line mark), the second signaling is downlink DCI, and the second signaling is described defeated to stator frame upload.First physics money
Frequency domain resource of the source on subframe #10~11 is CC3；Frequency domain resource on subframe #13~14 is CC2；In subframe #15~16
On frequency domain resource be CC1；Frequency domain resource on subframe #18~19 is CC3.
Embodiment 3
Embodiment 3 illustrates the schematic diagram of the second signaling, as shown in Fig. 3.In attached drawing 3, the second signaling includes virtual rope
Draw, physics index and scheduling information, wherein physics index is optional.
Virtual index in second signaling includes 3 bits, and value range is from 1~7.The bit number of physics index and
Value range is configurable either pre-determining.As a sub- embodiment of embodiment 3, the bit of the physics index
Number is not less than log2N, and wherein N is the group number of configuration information that is currently configured in unlicensed spectrum of reception UE of the second signaling.
As a sub- embodiment of embodiment 3, the scheduling information includes all or part of letter in DCI format 2C
Breath.As another sub- embodiment of embodiment 3, the scheduling information includes all or part of information in DCI format 4.
Embodiment 4
Embodiment 4 illustrates the structural block diagram of the processing unit in a UE, as shown in Fig. 4.In attached drawing 4, UE processing
Device 200 is made of receiving module 201, receiving module 202, monitoring modular 203, receiving module 204 and processing module 205, institute
It states the possible transmission of processing module 205 or receives data-and identified with dashed double.
For receiving, high-level signaling obtains logical message to receiving module 201 and N group configuration information, the configuration information include
Carrier index and working band, the logical message include carrier wave logic index and reconstruct index；Receiving module 202 is for receiving
First signaling is obtained to the L group tdd frame structure of framing, wherein the tdd frame structure of the reconstruct index corresponding position is the 2nd TDD
Frame structure；For determining that the first physical resource can be used for downlink transfer, the first physical resource includes monitoring modular 203 in the time domain
Non- DRX subframe in the downlink subframe and special subframe to correspondence the second tdd frame structure in framing, the first physical resource
In the working band that the frequency domain resource in a subframe is one group of configuration information in the N group configuration information；Receiving module 204
Following information is determined for receiving the second signaling:
Virtual index, the virtual index are indexed equal to the carrier wave logic
Scheduling information
Physics index, the physics index is positive integer；
Processing module 205 be used for according to the scheduling information in the first physical frequency band described in in framing to stator frame
Upper processing physical signal.If described belong to the first physical resource to stator frame, the processing is to receive；If described give stator
Frame is the subframe except the first physical resource, and the processing is to send.
In embodiment 4, the first signaling is physical layer signaling, and the L is positive integer, and the reconstruct index is no more than described
The positive integer of L, the working band in the N group configuration information belong to unlicensed spectrum, and the N is greater than 1 positive integer.The
Two signalings are physical layer signalings, and the first physical frequency band is the working band in the first configuration information.First physical frequency band is first
Working band in configuration information, the first configuration information are that the carrier index in the N group configuration information is equal to the physics rope
The 1 group of configuration information drawn.The payload size of first signaling is the payload size of the format 1C on the first signalling carrier wave, first
Signaling is identified by eIMTA-RNTI, and the L is no more than 5 positive integer.The transmission subframe of first signaling is matched by high-level signaling
It sets.
As a sub- embodiment of embodiment 4, monitoring modular 203 is also used in the subframe of the first physical resource in institute
It states and detects the second signaling on the working band in N group configuration information.
Embodiment 5
Embodiment 5 illustrates the structural block diagram of the processing unit in a base station, as shown in Fig. 5.In attached drawing 5, base station
Processing unit 300 is by sending module 301, sending module 302, determining module 303, sending module 304 and 305 groups of processing module
At the processing module 305 may send or receive data-and be identified with dashed double.
For sending, high-level signaling indicates logical message to sending module 301 and N group configuration information, the configuration information include
Carrier index and working band, the logical message include carrier wave logic index and reconstruct index；Sending module 302 is for sending
First signaling is indicated to the L group tdd frame structure of framing, wherein the tdd frame structure of the reconstruct index corresponding position is the 2nd TDD
Frame structure；Determining module 303 in the first physical resource selection be used for downlink transfer resource, the first physical resource when
It include the non-DRX subframe in the downlink subframe and special subframe to correspondence the second tdd frame structure in framing on domain, first
Physical resource is in the working band that the frequency domain resource in a subframe is one group of configuration information in the N group configuration information；Hair
Send module 304 for send the following information of the second signaling instruction:
Virtual index, the virtual index are indexed equal to the carrier wave logic
Scheduling information
Physics index, the physics index is positive integer；
Processing module 305 be used for according to the scheduling information in the first physical frequency band described in in framing to stator frame
Upper processing physical signal.If described belong to the first physical resource to stator frame, the processing is to send；If described give stator
Frame is the subframe except the first physical resource, and the processing is to receive.
Wherein, the first signaling is physical layer signaling, and the L is positive integer, and the reconstruct index is being no more than the L just
Integer, the working band in the N group configuration information belong to unlicensed spectrum, and the N is greater than 1 positive integer.Second letter
Order is physical layer signaling, and the first physical frequency band is the working band in the first configuration information, and the first configuration information is that the N is assembled
Carrier index in confidence breath is equal to 1 group of configuration information of physics index.The payload size of first signaling is the first signaling
The payload size of the format 1C on carrier wave is transmitted, the first signaling is identified by eIMTA-RNTI, and the L is no more than 5 positive integer.
The transmission subframe of first signaling is configured by high-level signaling.
Those of ordinary skill in the art will appreciate that all or part of the steps in the above method can be referred to by program
Related hardware is enabled to complete, described program can store in computer readable storage medium, such as read-only memory, hard disk or light
Disk etc..Optionally, one or more integrated circuit can be used also to realize in all or part of the steps of above-described embodiment.Phase
It answers, each modular unit in above-described embodiment, can be realized using example, in hardware, it can also be by the form of software function module
It realizes, the application is not limited to the combination of the software and hardware of any particular form.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification made, equivalent replacement, improve etc., it should be included in protection of the invention
Within the scope of.
Claims (15)
1. a kind of method in UE, wherein include the following steps:
Step A. receives high-level signaling acquisition logical message and N group configuration information, the configuration information include carrier index and work
Make frequency band, the logical message includes carrier wave logic index and reconstruct index；
Step B. receives the first signaling and obtains to the L group tdd frame structure of framing, wherein the TDD of the reconstruct index corresponding position
Frame structure is the second tdd frame structure；
Step C. determines that the first physical resource can be used for downlink transfer, and the first physical resource includes described to framing in the time domain
In correspondence the second tdd frame structure downlink subframe and special subframe in non-DRX subframe, the first physical resource is in a subframe
On frequency domain resource be one group of configuration information in the N group configuration information working band；
Wherein, the first signaling is physical layer signaling, and the L is positive integer, and the reconstruct index is no more than the just whole of the L
It counts, the working band in the N group configuration information belongs to unlicensed spectrum, and the N is greater than 1 positive integer.
2. the method according to claim 1, wherein further including following steps:
Step D. receives the second signaling and determines following information:
Virtual index, the virtual index are indexed equal to the carrier wave logic；
Scheduling information；
Physics index, the physics index is positive integer；
Step E. according to the scheduling information in the first physical frequency band described in in framing to handling physics letter in stator frame
Number；If described belong to the first physical resource to stator frame, the processing is to receive；It to stator frame is the first physics if described
Subframe except resource, the processing are to send；
Wherein, the second signaling is physical layer signaling, and the first physical frequency band is the working band in the first configuration information, the first configuration
Information is that the carrier index in the N group configuration information is equal to 1 group of configuration information that the physics indexes.
3. the method according to claim 1, wherein the payload size of the first signaling is the first signalling carrier wave
On format 1C payload size, the first signaling identifies by eIMTA-RNTI, and the L is no more than 5 positive integer；First signaling
Transmission subframe be to be configured by high-level signaling.
4. according to the method described in claim 2, it is characterized in that, physics index is the work of the N group configuration information
Carrier index in one group of configuration information of the transmission band in frequency band including the second signaling.
5. method according to claim 2 or 4, which is characterized in that the logical message further includes cross-carrier information, described
Cross-carrier the second physical frequency band of message identification, the second physical frequency band are the physical frequency bands of the second signalling.
6. method according to claim 2 or 4, which is characterized in that the step C further includes following steps:
Step C1. second letter of detection on the working band in the N group configuration information in the subframe of the first physical resource
It enables.
7. method according to claim 2 or 4, which is characterized in that if the second signaling is downlink DCI, the second signaling exists
It is described defeated to stator frame upload；If the second signaling is uplink DCI, the second signaling it is described to stator frame before k-th of subframe
Transmission, the k are in the first tdd frame structure for the PUSCH scheduler latency to stator frame.
8. a kind of method in base station, wherein include the following steps:
Step A. sends high-level signaling instruction logical message and N group configuration information, the configuration information include carrier index and work
Make frequency band, the logical message includes carrier wave logic index and reconstruct index；
Step B. sends the L group tdd frame structure that the first signaling is indicated to framing, wherein the TDD of the reconstruct index corresponding position
Frame structure is the second tdd frame structure；
Step C. selects the resource for downlink transfer in the first physical resource, and the first physical resource includes institute in the time domain
The non-DRX subframe in the downlink subframe and special subframe to correspondence the second tdd frame structure in framing is stated, the first physical resource exists
Frequency domain resource in one subframe is the working band of one group of configuration information in the N group configuration information；
Wherein, the first signaling is physical layer signaling, and the L is positive integer, and the reconstruct index is no more than the just whole of the L
It counts, the working band in the N group configuration information belongs to unlicensed spectrum, and the N is greater than 1 positive integer.
9. according to the method described in claim 8, it is characterized in that, further including following steps:
Step D. sends the second signaling and indicates following information:
Virtual index, the virtual index are indexed equal to the carrier wave logic；
Scheduling information；
Physics index, the physics index is positive integer；
Step E. according to the scheduling information in the first physical frequency band described in in framing to handling physics letter in stator frame
Number；If described belong to the first physical resource to stator frame, the processing is to send；It to stator frame is the first physics if described
Subframe except resource, the processing are to receive；
Wherein, the second signaling is physical layer signaling, and the first physical frequency band is the working band in the first configuration information, the first configuration
Information is that the carrier index in the N group configuration information is equal to 1 group of configuration information that the physics indexes.
10. according to the method described in claim 8, it is characterized in that, the payload size of the first signaling is that the first signalling carries
The payload size of format 1C on wave, the first signaling are identified by eIMTA-RNTI, and the L is no more than 5 positive integer；First letter
The transmission subframe of order is configured by high-level signaling.
11. according to the method described in claim 9, it is characterized in that, physics index is the work of the N group configuration information
Carrier index in one group of configuration information of the transmission band in frequency band including the second signaling.
12. the method according to claim 9 or 11, which is characterized in that the logical message further includes cross-carrier information, institute
Cross-carrier the second physical frequency band of message identification is stated, the second physical frequency band is the physical frequency band of the second signalling.
13. the method according to claim 9 or 11, which is characterized in that if the second signaling is downlink DCI, the second signaling
Described defeated to stator frame upload；If the second signaling is uplink DCI, the second signaling is described to k-th of son before stator frame
Frame transmission, the k are in the first tdd frame structure for the PUSCH scheduler latency to stator frame.
14. a kind of user equipment, which is characterized in that the equipment includes:
First module: for receiving, high-level signaling obtains logical message and N group configuration information, the configuration information include carrier wave rope
Draw and working band, the logical message include carrier wave logic index and reconstruct index；
Second module: obtaining for receiving the first signaling to the L group tdd frame structure of framing, wherein the reconstruct indexes corresponding position
The tdd frame structure set is the second tdd frame structure；
Third module: for determining that the first physical resource can be used for downlink transfer, the first physical resource includes described in the time domain
To the non-DRX subframe in the downlink subframe and special subframe of correspondence the second tdd frame structure in framing, the first physical resource is one
Frequency domain resource in a subframe is the working band of one group of configuration information in the N group configuration information；
4th module: following information is determined for receiving the second signaling:
Virtual index, the virtual index are indexed equal to the carrier wave logic；
Scheduling information；
Physics index, the physics index is positive integer；
5th module: for according to the scheduling information in the first physical frequency band described in in framing to being handled in stator frame
Physical signal；If described belong to the first physical resource to stator frame, the processing is to receive；It to stator frame is if described
Subframe except one physical resource, the processing are to send；
Wherein, the first signaling is physical layer signaling, and the L is positive integer, and the reconstruct index is no more than the just whole of the L
It counts, the working band in the N group configuration information belongs to unlicensed spectrum, and the N is greater than 1 positive integer；Second signaling
It is physical layer signaling, the first physical frequency band is the working band in the first configuration information, and the first configuration information is the N group configuration
Carrier index in information is equal to 1 group of configuration information of physics index.
15. a kind of base station equipment, which is characterized in that the equipment includes:
First module: for sending, high-level signaling indicates logical message and N group configuration information, the configuration information include carrier wave rope
Draw and working band, the logical message include carrier wave logic index and reconstruct index；
Second module: the L group tdd frame structure for being indicated to framing for sending the first signaling, wherein the reconstruct indexes corresponding position
The tdd frame structure set is the second tdd frame structure；
Third module: selection is used for the resource of downlink transfer in the first physical resource, and the first physical resource includes in the time domain
Non- DRX subframe in the downlink subframe and special subframe to correspondence the second tdd frame structure in framing, the first physical resource
In the working band that the frequency domain resource in a subframe is one group of configuration information in the N group configuration information；
4th module: following information is indicated for sending the second signaling:
Virtual index, the virtual index are indexed equal to the carrier wave logic；
Scheduling information；
Physics index, the physics index is positive integer；
5th module: for according to the scheduling information in the first physical frequency band described in in framing to being handled in stator frame
Physical signal；If described belong to the first physical resource to stator frame, the processing is to send；It to stator frame is if described
Subframe except one physical resource, the processing are to receive；
Wherein, the first signaling is physical layer signaling, and the L is positive integer, and the reconstruct index is no more than the just whole of the L
It counts, the working band in the N group configuration information belongs to unlicensed spectrum, and the N is greater than 1 positive integer；Second signaling
It is physical layer signaling, the first physical frequency band is the working band in the first configuration information, and the first configuration information is the N group configuration
Carrier index in information is equal to 1 group of configuration information of physics index.
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| CN201410103740.8A CN104936293B (en) | 2014-03-20 | 2014-03-20 | Communication means and device in a kind of unlicensed spectrum |
| CN201811584119.2A CN109451590B (en) | 2014-03-20 | 2014-03-20 | Communication method on unlicensed spectrum, user device and base station device |
| PCT/CN2015/074175 WO2015139582A1 (en) | 2014-03-20 | 2015-03-13 | Ue and communication method and device over unlicensed spectrum in base station |
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| CN105517061B (en) * | 2016-01-15 | 2019-03-22 | 宇龙计算机通信科技(深圳)有限公司 | The method and device of sub-frame of uplink is indicated in a kind of unlicensed spectrum |
| CN107171773B (en) * | 2016-03-08 | 2020-06-02 | 上海无线通信研究中心 | Multi-carrier aggregation method for cellular communication system facing heterogeneous network |
| JP2020502874A (en) | 2016-11-03 | 2020-01-23 | 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． | Data transmission method, network device, and terminal device |
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| GB2477649B (en) * | 2011-03-31 | 2012-01-11 | Renesas Mobile Corp | Multiplexing logical channels in mixed licensed and unlicensed spectrum carrier aggregation |
| CN102752085B (en) * | 2011-04-21 | 2014-09-17 | 华为技术有限公司 | Method and equipment for sending acknowledgement or non-acknowledgement indication information in time division duplexing (TDD) system |
| WO2012152298A1 (en) * | 2011-05-10 | 2012-11-15 | Deutsche Telekom Ag | Method, system, access point and computer program product for enhancing the usable bandwidth between of a telecommunications network and a user equipment |
| US9137804B2 (en) * | 2011-06-21 | 2015-09-15 | Mediatek Inc. | Systems and methods for different TDD configurations in carrier aggregation |
| KR20130009459A (en) * | 2011-07-15 | 2013-01-23 | 주식회사 팬택 | Method and apparatus for restricting downlink subframe in time division duplex mode |
| CN102938693B (en) * | 2011-08-15 | 2015-09-23 | 普天信息技术研究院有限公司 | The feedback method of the different up-downgoing proportioning of LTE-A TDD |
| CN102316595B (en) * | 2011-09-30 | 2017-04-12 | 中兴通讯股份有限公司 | Resource determination method and device for physical uplink control channel (PUCCH) of large-band-width system |
| US9419762B2 (en) * | 2011-11-01 | 2016-08-16 | Lg Electronics Inc. | Method for transmitting and receiving a signal, and apparatus therefor |
| CN103378957B (en) * | 2012-04-27 | 2018-05-18 | 北京三星通信技术研究有限公司 | A kind of HARQ-ACK information transmission method |
| US8874124B2 (en) * | 2012-06-14 | 2014-10-28 | Netgear, Inc. | Dual band LTE small cell |
| CN103532688B (en) * | 2012-07-04 | 2016-11-02 | 电信科学技术研究院 | A kind of across frequency band carriers be polymerized under DCI transmission method and device |
| US20140050125A1 (en) * | 2012-08-17 | 2014-02-20 | Zte Usa, Inc. | Method for dynamic change of downlink/uplink allocation in lte-tdd systems |
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| CN109451590A (en) | 2019-03-08 |
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