CN105530647A - LAA transmission method and device in cellular network - Google Patents
LAA transmission method and device in cellular network Download PDFInfo
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Abstract
The invention provides an LAA transmission method and device in a cellular network. In a first step, UE respectively receives first signaling and second signaling in a first sub-frame and a second sub-frame. The first signaling indicates a first COT on a first carrier, the second signaling triggers wireless transmission on a target sub-frame of the first carrier, and the wireless transmission is uplink transmission or downlink transmission. In a second step, the UE assists to judge whether the wireless transmission is executed according to whether the target sub-frame belongs to the first OCT. Wherein the first carrier is deployed in a non-authorized spectrum. The first signaling is OCT signaling which is received by the UE at the latest time before receiving the target sub-frame and is used for indicating a service cell of the UE is on the first carrier. The first OCT occupies K continuous sub-frames, and the K is a positive integer. By adopting the LAA transmission method and device provided by the invention, The LTE LAA with the LBT technology introduced can be compatible with the traditional synchronous UL HARQ scheme and the traditional RS semistatic configuration scheme, and the complicated standard modification is avoided.
Description
Technical field
The present invention relates in wireless communication system the scheme utilizing unlicensed spectrum to communicate, particularly relate to the communication means for unlicensed spectrum (UnlicensedSpectrum) based on LTE (LongTermEvolution, Long Term Evolution) and device.
Background technology
Traditional 3GPP (3rdGenerationPartnerProject, third generation partner program) in LTE system, transfer of data can only occur in authorizes on frequency spectrum, but along with the sharply increase of traffic carrying capacity, especially in some urban areas, frequency spectrum is authorized may to be difficult to the demand meeting traffic carrying capacity.62 plenary sessions of 3GPPRAN discuss a new research topic, namely the research (RP-132085) that unlicensed spectrum is comprehensive, main purpose is that the Non-standalone (dependent) of the LTE of research and utilization in unlicensed spectrum disposes, and so-called Non-standalone refers to that the communication in unlicensed spectrum is wanted and authorizes the Serving cell on frequency spectrum to be associated.One intuitively method be the CA (CarrierAggregation reused as far as possible in existing system, carrier aggregation) concept, namely be deployed in and authorize Serving cell on frequency spectrum as PCC (PrimaryComponentCarrier, main carrier), be deployed in Serving cell in unlicensed spectrum as SCC (SecondaryComponentCarrier, auxiliary carrier wave).For unlicensed spectrum, consider its interference level uncontrollable/prediction, LBT (ListenBeforeTalk first intercepts rear transmission) technology effectively can avoid the interference between LTE system and other system and the interference between the inner different operators equipment of LTE system.In RAN#64 plenary session (seminar), the communication in unlicensed spectrum is LAA (LicenseAssistedAccess authorizes the auxiliary access of frequency spectrum) by Uniform Name.
For LTELAA, one needs the problem considered to be that base station is when the wireless transmission of present sub-frame regulation goal subframe, and (introducing due to LBT technology) possibly cannot guarantee that the wireless transmission in target-subframe really occurs.Such as, LTE uplink adopts synchronous HARQ (HybridAutomaticRepeatRequest, hybrid automatic repeat-request), that is: the physical resource shared by uplink retransmission and the physical resource shared by the initial transmission time-frequency location in subframe is identical, and the subframe shared by uplink retransmission is also predefined.And interference level is monitored in unlicensed spectrum to determine whether to perform up transmission for LBT, UE (UserEquipment, subscriber equipment).Base station cannot determine whether UE performs up transmission and the redundancy versions of physical layer data that UE sends in scheduling subframe possibly cannot be determined in base station in scheduling subframe, and namely LBT and uplink synchronous HARQ can produce conflict.Again such as, if base station is when LAA carrier wave is transmitted by semi-static mode configurating downlink RS (ReferenceSignal, reference signal), can not guarantee that the subframe configured is all available sub-frame.
For the problems referred to above, the invention discloses the LAA transmission method in a kind of Cellular Networks and device.
Summary of the invention
The invention discloses a kind of method in UE, wherein, comprise the steps:
-steps A. receive the first signaling and the second signaling respectively in the first subframe and the second subframe.A COT (ChannelOccupationTime, Channel holding time) on first signaling instruction first carrier, the second signaling triggers the wireless transmission in the target-subframe of first carrier, and described wireless transmission is uplink or downlink transfer
Whether whether-step B. belongs to wireless transmission described in a COT auxiliary judgment according to described target-subframe is implemented.Described wireless transmission is uplink, if judge that described wireless transmission is implemented, the described target-subframe of first carrier sends physical layer data, if judge that described wireless transmission is not implemented, the described target-subframe of first carrier is abandoned send physical layer data; Or described wireless transmission is downlink transfer, if judge that described wireless transmission is implemented, the described target-subframe of first carrier receives descending RS, if judge that described wireless transmission is not implemented, the described target-subframe of first carrier is abandoned receiving descending RS.
Wherein, first carrier is deployed in unlicensed spectrum.First signaling is the signaling of the described UE the last Serving cell being used to indicate described UE COT on first carrier received before described target-subframe.One COT takies K continuous subframes, and described K is positive integer.
As an embodiment, described wireless transmission is uplink, second signaling is the DCI (DownlinkControlInformation, Downlink Control Information) sent for dispatching uplink, and the running time-frequency resource that described physical layer data takies is indicated by the second signaling.As a sub-embodiment of above-described embodiment, the second signaling is DCI format 0 or DCI format 4.As an embodiment, described wireless transmission is uplink, and the second signaling is NACK, and the HARQ process that the running time-frequency resource that described physical layer data takies is indicated by the second signaling is determined.As an embodiment, described wireless transmission is downlink transfer, second signaling is RRC (RadioResourceControl, the wireless heterogeneous networks) signaling of the RS for configuration cycle property, and described target-subframe is that of periodic RS sends subframe.As an embodiment, described wireless transmission is downlink transfer, and the running time-frequency resource that described descending RS takies is indicated by the second signaling.As an embodiment, the first signaling is physical layer signaling.
As an embodiment, described wireless transmission is uplink, described target-subframe is kth 1 subframe after the second subframe, described k1 is TDD (TimeDivisionDuplex, time division duplex) in the number of sub-frames corresponding to a kind of uplink scheduling time delay, namely { 4,5, one in 6,7}.As an embodiment, the second signaling and the first signaling are transmitted on a second carrier, and the second carrier wave is deployed in mandate frequency spectrum, and the subframe timing of first carrier and the second carrier wave is nonsynchronous.
As an embodiment, described K is configured by high-level signaling.
As an embodiment, the initial subframe of a COT is the first subframe.
Concrete, according to an aspect of the present invention, it is characterized in that, described step B comprises the steps:
-step B1. judges that described wireless transmission is implemented.Wherein said target-subframe belongs to a COT.
Concrete, according to an aspect of the present invention, it is characterized in that, described step B comprises the steps:
Described in-step B2., wireless transmission is uplink, on first carrier described target-subframe previous subframe on perform LBT operation to judge whether described wireless transmission is implemented; Or described wireless transmission is downlink transfer, judge that described wireless transmission is not implemented.
Wherein, described target-subframe is the subframe outside a COT.
Concrete, according to an aspect of the present invention, it is characterized in that, described wireless transmission is downlink transfer, also comprises the steps:
-step C. sends up CSI (ChannelStatusIndicator, channel status indicates) on a second carrier, and the reference RS of described up CSI comprises described descending RS, and the second carrier wave is deployed in mandate frequency spectrum.
The reference RS of described up CSI comprises described descending RS and refers to, described UE utilizes the resource comprising described descending RS to carry out channel estimating, calculates described up CSI.As an embodiment, described CSI comprises { RI (RankIndicator, order indicates), PTI (PrecodingTypeIndicator, precoding type indicates), PMI (PrecodingMatrixIndicator, pre-coding matrix indicates), CQI (ChannelQualityIndicator, channel quality indicate) } in one or more.
Concrete, according to an aspect of the present invention, it is characterized in that, described wireless transmission is uplink, the redundancy versions (RV, RedundancyVersion) of described physical layer data does not abandon redundancy versions corresponding to described target-subframe under up transmission condition in hypothesis current HARQ process.
The essence of above-mentioned aspect is, if described UE judges that wireless transmission is not implemented, then discards (Drop) corresponding physical layer data, does not affect the redundancy versions of the physical layer data of the follow-up transmission of HARQ process belonging to described physical layer data.Above-mentioned aspect can guarantee that the up transmission that UE performs all is consistent with the RV of the synchronous HARQ in existing LTE system, avoids base station side to obscure the redundancy versions of the physical layer data in described HARQ process.Above-mentioned aspect and existing LTE synchronous HARQ keep maximum compatibility.
The invention discloses a kind of method in base station, wherein, comprise the steps:
-steps A. send the first signaling and the second signaling respectively in the first subframe and the second subframe.A COT on first signaling instruction first carrier, the second signaling triggers the wireless transmission in the target-subframe of first carrier, and described wireless transmission is uplink or downlink transfer
Whether whether-step B. belongs to wireless transmission described in a COT auxiliary judgment according to described target-subframe is implemented.Described wireless transmission is uplink, if judge that described wireless transmission is implemented, the described target-subframe of first carrier receives physical layer data, if judge that described wireless transmission is not implemented, the described target-subframe of first carrier is abandoned receive physical layer data; Or described wireless transmission is downlink transfer, if judge that described wireless transmission is implemented, the described target-subframe of first carrier sends descending RS, if judge that described wireless transmission is not implemented, abandon sending descending RS in the described target-subframe of first carrier.
Wherein, first carrier is deployed in unlicensed spectrum.First signaling is described base station the last signaling being used to indicate the COT of transmission community on first carrier of the second signaling sent before described target-subframe.One COT takies K continuous subframes, and described K is positive integer.
Described physical layer data is sent by the reception UE of the second signaling.COT is used to indicate the subframe that base station is dispatched.As an embodiment, { descending transmission is performed in the subframe of the COT of described base station on (its instruction) first carrier, uplink receiving } at least one, close the transceiver for first carrier in the subframe outside the COT on (its instruction) first carrier.
As an embodiment, described in abandon receiving the method for operation of physical layer data and be: the wireless receiver for first carrier is closed in described target-subframe in described base station.As an embodiment, described in abandon receiving the method for operation of physical layer data and be: described base station abandons the wireless signal that (Drop) receives in the described target-subframe of first carrier.
Concrete, according to an aspect of the present invention, it is characterized in that, described step B comprises the steps:
-step B1. judges that described wireless transmission is implemented.Wherein said target-subframe belongs to a COT.
Concrete, according to an aspect of the present invention, it is characterized in that, described step B comprises the steps:
Described in-step B2., wireless transmission is uplink, judges whether described wireless transmission is implemented voluntarily; Or described wireless transmission is downlink transfer, judge that described wireless transmission is not implemented.
Wherein, described target-subframe is the subframe outside a COT.
As an embodiment, the described method judged voluntarily is: if received signal power exceedes given power threshold, judges that described wireless transmission is implemented, otherwise judges that described wireless transmission is not implemented.As an embodiment, the described method judged voluntarily is: according at DMRS (DemodulationReferenceSignal, demodulated reference signal) running time-frequency resource on the wireless signal that receives carry out channel estimating, if the statistical property of the channel parameter recovered meets expection, then judge that described wireless transmission is implemented, otherwise judge that described wireless transmission is not implemented.An embodiment of expection is met: maximum multipath time delay is less than threshold value preset time as described statistical property.
Concrete, according to an aspect of the present invention, it is characterized in that, described wireless transmission is downlink transfer, also comprises the steps:
-step C. receives up CSI on a second carrier, and the reference RS of described up CSI comprises described descending RS, and the second carrier wave is deployed in mandate frequency spectrum.
As an embodiment, described descending RS is CSI-RS.
Concrete, according to an aspect of the present invention, it is characterized in that, described wireless transmission is uplink, and the redundancy versions of described physical layer data does not abandon redundancy versions corresponding to described target-subframe under up transmission condition in hypothesis current HARQ process.
The invention discloses a kind of subscriber equipment, it is characterized in that, this equipment comprises:
First module: for receiving the first signaling and the second signaling respectively in the first subframe and the second subframe.A COT on first signaling instruction first carrier, the second signaling triggers the wireless transmission in the target-subframe of first carrier, and described wireless transmission is uplink or downlink transfer
Second module: whether implement for whether belonging to wireless transmission described in a COT auxiliary judgment according to described target-subframe.Described wireless transmission is uplink, if judge that described wireless transmission is implemented, the described target-subframe of first carrier sends physical layer data, if judge that described wireless transmission is not implemented, the described target-subframe of first carrier is abandoned send physical layer data; Or described wireless transmission is downlink transfer, if judge that described wireless transmission is implemented, the described target-subframe of first carrier receives descending RS, if judge that described wireless transmission is not implemented, the described target-subframe of first carrier is abandoned receiving descending RS.
Wherein, first carrier is deployed in unlicensed spectrum.First signaling is the signaling of the described UE the last Serving cell being used to indicate described UE COT on first carrier received before described target-subframe.One COT takies K continuous subframes, and described K is positive integer.
As an embodiment, the second module is for judging that described wireless transmission is implemented.Wherein said target-subframe belongs to a COT.
As an embodiment, the second module is used for:
-described wireless transmission is uplink, on first carrier described target-subframe previous subframe on perform LBT operation to judge whether described wireless transmission is implemented; Or described wireless transmission is downlink transfer, judge that described wireless transmission is not implemented.
Wherein, described target-subframe is the subframe outside a COT.
As an embodiment, described equipment also comprises:
3rd module: for sending up CSI on a second carrier, the reference RS of described up CSI comprises described descending RS, and the second carrier wave is deployed in mandate frequency spectrum.
The invention discloses a kind of base station equipment, it is characterized in that, this equipment comprises:
First module: for sending the first signaling and the second signaling respectively in the first subframe and the second subframe.A COT on first signaling instruction first carrier, the second signaling triggers the wireless transmission in the target-subframe of first carrier, and described wireless transmission is uplink or downlink transfer
Second module: whether implement for whether belonging to wireless transmission described in a COT auxiliary judgment according to described target-subframe.Described wireless transmission is uplink, if judge that described wireless transmission is implemented, the described target-subframe of first carrier receives physical layer data, if judge that described wireless transmission is not implemented, the described target-subframe of first carrier is abandoned receive physical layer data; Or described wireless transmission is downlink transfer, if judge that described wireless transmission is implemented, the described target-subframe of first carrier sends descending RS, if judge that described wireless transmission is not implemented, abandon sending descending RS in the described target-subframe of first carrier.
Wherein, first carrier is deployed in unlicensed spectrum.First signaling is described base station the last signaling being used to indicate the COT of transmission community on first carrier of the second signaling sent before described target-subframe.One COT takies K continuous subframes, and described K is positive integer.
As an embodiment, the second module is for judging that described wireless transmission is implemented.Wherein said target-subframe belongs to a COT.
As an embodiment, the second module is used for
-. described wireless transmission is uplink, judges whether described wireless transmission is implemented voluntarily; Or described wireless transmission is downlink transfer, judge that described wireless transmission is not implemented.
Wherein, described target-subframe is the subframe outside a COT.
As an embodiment, described equipment also comprises:
3rd module: for receiving up CSI on a second carrier, the reference RS of described up CSI comprises described descending RS, and the second carrier wave is deployed in mandate frequency spectrum.
Possibly cannot guarantee that this problem really occurs the wireless transmission in target-subframe for during the wireless transmission of base station in the target-subframe of present sub-frame scheduling LAA carrier wave, the present invention proposes the LAA transmission method in a kind of Cellular Networks and device, base station sends signaling instruction COT, UE and utilizes COT to assist to determine whether the wireless transmission of base station triggers is implemented.The invention enables introduce the later LTELAA of LBT technology can compatible traditional synchronous UL (Uplink, up) HARQ scheme and the semi-static allocation plan of traditional RS, avoid complicated standard and change.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, other features, objects and advantages of the present invention will become more apparent:
Fig. 1 shows the flow chart carrying out uplink on LAA carrier wave according to an embodiment of the invention;
Fig. 2 shows the flow chart carrying out descending RS transmission on LAA carrier wave according to an embodiment of the invention;
Fig. 3 shows the first subframe according to an embodiment of the invention, the sequential chart of the second subframe and target-subframe;
Fig. 4 shows the structured flowchart of the processing unit for up transmission in UE according to an embodiment of the invention;
Fig. 5 shows the structured flowchart of the processing unit received for descending RS in UE according to an embodiment of the invention;
Fig. 6 shows the structured flowchart of the processing unit for uplink receiving in base station according to an embodiment of the invention;
Fig. 7 shows the structured flowchart of the processing unit sent for descending RS in base station according to an embodiment of the invention;
Embodiment
Hereafter will be described in further detail technical scheme of the present invention by reference to the accompanying drawings, and it should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine arbitrarily mutually.
Embodiment 1
Embodiment 1 illustrates the flow chart carrying out uplink on LAA carrier wave, as shown in Figure 1.In accompanying drawing 1, base station N1 safeguards the first community, and the first community is the Serving cell of UEU2.
For base station N1, in step s 11, the first signaling and the second signaling is sent respectively in the first subframe and the second subframe; In step s 12, whether belong to wireless transmission described in a COT auxiliary judgment according to target-subframe whether to implement.If judge that described wireless transmission is implemented, then in the described target-subframe of first carrier, receive physical layer data in the step s 120; If judge that described wireless transmission is not implemented, abandon receiving physical layer data in step S121 in the described target-subframe of first carrier.Wherein, the first signaling is base station N1 the last signaling being used to indicate the COT of the first community on first carrier sent before described target-subframe.
For UEU2, in the step s 21, the first signaling and the second signaling is received respectively in the first subframe and the second subframe; In step S22, whether belong to wireless transmission described in a COT auxiliary judgment according to target-subframe and whether implement.If judge that described wireless transmission is implemented, then in step S220, in the described target-subframe of first carrier, send physical layer data; If judge that described wireless transmission is not implemented, then abandon sending physical layer data in step S221 in the described target-subframe of first carrier.Wherein, the first signaling is UEU2 the last signaling being used to indicate the COT of the first community on first carrier received before described target-subframe.
In embodiment 1, the COT on the first signaling instruction first carrier, the second signaling triggers the wireless transmission in the target-subframe of first carrier, and described wireless transmission is uplink.First carrier is deployed in unlicensed spectrum.One COT takies K continuous subframes, and described K is positive integer.
As the sub-embodiment 1 of embodiment 1, described K is configured by high-level signaling.
Sub-embodiment 2, first signaling as embodiment 1 is physical layer signaling, and the second signaling is DCI or NACK.
As the sub-embodiment 3 of embodiment 1, described target-subframe belongs to a COT, and base station N1 judges that described wireless transmission is implemented in step s 12 in step S22 with UEU2.
As the sub-embodiment 4 of embodiment 1, described target-subframe is the subframe outside a COT, base station N1 judges whether described wireless transmission is implemented in step s 12 voluntarily, UEU2 in step S22 on first carrier described target-subframe previous subframe on perform LBT operation to judge whether described wireless transmission is implemented.
As the sub-embodiment 5 of embodiment 1, the redundancy versions of described physical layer data does not abandon redundancy versions corresponding to described target-subframe under up transmission condition in hypothesis current HARQ process.
Embodiment 2
Embodiment 2 illustrates the flow chart carrying out descending RS transmission on LAA carrier wave, as shown in Figure 2.In accompanying drawing 2, base station N3 safeguards the second community, and the second community is the Serving cell of UEU4.
For base station N3, in step S31, send the first signaling and the second signaling respectively in the first subframe and the second subframe; In step s 32, whether belong to wireless transmission described in a COT auxiliary judgment according to target-subframe whether to implement.If judge that described wireless transmission is implemented, in the described target-subframe of first carrier, send descending RS in step s 320; If judge that described wireless transmission is not implemented, abandon sending descending RS in step S321 in the described target-subframe of first carrier.Wherein, the first signaling is base station N3 the last signaling being used to indicate the COT of the second community on first carrier sent before described target-subframe.
For UEU4, in step S41, receive the first signaling and the second signaling respectively in the first subframe and the second subframe; In step S42, whether belong to wireless transmission described in a COT auxiliary judgment according to target-subframe and whether implement.If judge that described wireless transmission is implemented, in the described target-subframe of first carrier, receive descending RS in the step s 420, if judge that described wireless transmission is not implemented, abandon receiving descending RS in the described target-subframe of first carrier in step S421.Wherein, the first signaling is UEU4 the last signaling being used to indicate the COT of the second community on first carrier received before described target-subframe.
In embodiment 2, the COT on the first signaling instruction first carrier, the second signaling triggers the wireless transmission in the target-subframe of first carrier, and described wireless transmission is downlink transfer.First carrier is deployed in unlicensed spectrum.One COT takies K continuous subframes, and described K is positive integer.
As the sub-embodiment 1 of embodiment 2, described descending RS is CSI-RS.
Sub-embodiment 2, second signaling as embodiment 2 is RRC signaling, the transmission resource described in the second signal deployment shared by descending RS.
Transmit on a second carrier as sub-embodiment 3, first signaling of embodiment 2 and the second signaling, the second carrier wave is deployed in mandate frequency spectrum.
Initial subframe as sub-embodiment the 4, one COT of embodiment 2 is the first subframe.
Embodiment 3
Embodiment 3 illustrates the first subframe, the sequential chart of the second subframe and target-subframe, as shown in Figure 3.In accompanying drawing 3, bold box grid identifies the first subframe, and oblique line grid identifies the second subframe, backslash grid mark the 3rd subframe.
First base station sends the first signaling and the second signaling to UE respectively in the first subframe and the second subframe.Then, whether whether base station and UE belong to wireless transmission described in a COT auxiliary judgment according to target-subframe respectively and implement.If base station judges that described wireless transmission is implemented, base station receives physical layer data in the described target-subframe of first carrier, otherwise base station abandons receiving physical layer data in the described target-subframe of first carrier.If UE judges that described wireless transmission is implemented, UE sends physical layer data in the described target-subframe of first carrier, otherwise UE abandons sending physical layer data in the described target-subframe of first carrier.
In embodiment 3, the COT on the first signaling instruction first carrier, the second signaling triggers the wireless transmission in the target-subframe of first carrier, and described wireless transmission is uplink.First carrier is deployed in unlicensed spectrum.One COT takies K continuous subframes, and described K is positive integer.For described base station, the first signaling is the signaling of its last COT of the Serving cell being used to indicate described UE on first carrier sent before described target-subframe.For described UE, the first signaling is its last signaling being used to indicate the COT of its Serving cell on first carrier received before described target-subframe.First signaling and the second signaling are transmitted on a second carrier, and the second carrier wave is deployed in mandate frequency spectrum.After first subframe is the second subframe and be the subframe before described target-subframe.
As the sub-embodiment 1 of embodiment 3, the subframe timing of first carrier and the second carrier wave is nonsynchronous.
Sub-embodiment 2, first signaling as embodiment 3 is the public physical layer signaling in community.
Embodiment 4
Embodiment 4 illustrates the structured flowchart of the processing unit for up transmission in UE, as shown in Figure 4.In accompanying drawing 4, UE processing unit 200 is made up of receiver module 201 and processing module 202.
Receiver module 201 is for receiving the first signaling and the second signaling respectively in the first subframe and the second subframe; Whether processing module 202 for whether belonging to wireless transmission described in a COT auxiliary judgment according to described target-subframe is implemented, if judge that described wireless transmission is implemented, the described target-subframe of first carrier sends physical layer data, if judge that described wireless transmission is not implemented, the described target-subframe of first carrier is abandoned send physical layer data.
In embodiment 4, the COT on the first signaling instruction first carrier, the second signaling triggers the wireless transmission in the target-subframe of first carrier, and described wireless transmission is uplink.First carrier is deployed in unlicensed spectrum.First signaling is the signaling of the described UE the last Serving cell being used to indicate described UE COT on first carrier received before described target-subframe.One COT takies K continuous subframes, and described K is positive integer.Described target-subframe is kth 1 subframe after the second subframe, and described k1 is { one in 4,5,6,7}.
Embodiment 5
Embodiment 5 illustrates the structured flowchart of the processing unit received for descending RS in UE, as shown in Figure 5.In accompanying drawing 5, UE processing unit 300 is by receiver module 301, and processing module 302 and sending module 303 form, and wherein sending module 303 is optional modules.
Receiver module 301 is for receiving the first signaling and the second signaling respectively in the first subframe and the second subframe; Whether processing module 302 for whether belonging to wireless transmission described in a COT auxiliary judgment according to described target-subframe is implemented, if judge that described wireless transmission is implemented, the described target-subframe of first carrier receives descending RS, if judge that described wireless transmission is not implemented, the described target-subframe of first carrier is abandoned receiving descending RS; Sending module 303 is for sending up CSI on a second carrier, and the reference RS of described up CSI comprises described descending RS, and the second carrier wave is deployed in mandate frequency spectrum.
In embodiment 5, the COT on the first signaling instruction first carrier, the second signaling triggers the wireless transmission in the target-subframe of first carrier, and described wireless transmission is downlink transfer.First carrier is deployed in unlicensed spectrum.First signaling is the signaling of the described UE the last Serving cell being used to indicate described UE COT on first carrier received before described target-subframe.One COT takies K continuous subframes, and described K is positive integer.
Embodiment 6
Embodiment 6 illustrates the structured flowchart of the processing unit for uplink receiving in a base station, as shown in Figure 6.In accompanying drawing 6, base station processing unit 400 is made up of sending module 401 and processing module 402.
Sending module 401 is for sending the first signaling and the second signaling respectively in the first subframe and the second subframe; Whether processing module 402 for whether belonging to wireless transmission described in a COT auxiliary judgment according to described target-subframe is implemented.If judge that described wireless transmission is implemented, the described target-subframe of first carrier receives physical layer data; If judge that described wireless transmission is not implemented, the described target-subframe of first carrier is abandoned receive physical layer data.
In embodiment 6, the COT on the first signaling instruction first carrier, the second signaling triggers the wireless transmission in the target-subframe of first carrier, and described wireless transmission is uplink.First carrier is deployed in unlicensed spectrum.First signaling is described base station the last signaling being used to indicate the COT of transmission community on first carrier of the second signaling sent before described target-subframe.One COT takies K continuous subframes, and described K is positive integer.
As the sub-embodiment 1 of embodiment 6, the method for described auxiliary judgment is: if described target-subframe belongs to a COT, then judge that described wireless transmission is implemented; If described target-subframe belongs to the subframe outside a COT, judge whether described wireless transmission is implemented voluntarily.
Embodiment 7
Embodiment 7 illustrates the structured flowchart of the processing unit sent for descending RS in a base station, as shown in Figure 7.In accompanying drawing 7, base station processing unit 500 is by sending module 501, and processing module 502 and receiver module 503 form, and wherein receiver module 503 is optional modules.
Sending module 501 is for sending the first signaling and the second signaling respectively in the first subframe and the second subframe; Whether processing module 502 for whether belonging to wireless transmission described in a COT auxiliary judgment according to described target-subframe is implemented, if judge that described wireless transmission is implemented, the described target-subframe of first carrier sends descending RS, if judge that described wireless transmission is not implemented, abandon sending descending RS in the described target-subframe of first carrier; Receiver module 503 is for receiving up CSI on a second carrier, and the reference RS of described up CSI comprises described descending RS, and the second carrier wave is deployed in mandate frequency spectrum.
Wherein, the COT on the first signaling instruction first carrier, the second signaling triggers the wireless transmission in the target-subframe of first carrier, and described wireless transmission is downlink transfer.First carrier is deployed in unlicensed spectrum.First signaling is described base station the last signaling being used to indicate the COT of transmission community on first carrier of the second signaling sent before described target-subframe.One COT takies K continuous subframes, and described K is positive integer.
The all or part of step that one of ordinary skill in the art will appreciate that in said method can be carried out instruction related hardware by program and complete, and described program can be stored in computer-readable recording medium, as read-only memory, and hard disk or CD etc.Optionally, all or part of step of above-described embodiment also can use one or more integrated circuit to realize.Accordingly, each modular unit in above-described embodiment, can adopt example, in hardware to realize, and also can be realized by the form of software function module, the application is not limited to the combination of the software and hardware of any particular form.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improves, all should be included within protection scope of the present invention.
Claims (12)
1. the method in UE, wherein, comprises the steps:
-steps A. receive the first signaling and the second signaling respectively in the first subframe and the second subframe.A COT on first signaling instruction first carrier, the second signaling triggers the wireless transmission in the target-subframe of first carrier, and described wireless transmission is uplink or downlink transfer
Whether whether-step B. belongs to wireless transmission described in a COT auxiliary judgment according to described target-subframe is implemented.Described wireless transmission is uplink, if judge that described wireless transmission is implemented, the described target-subframe of first carrier sends physical layer data, if judge that described wireless transmission is not implemented, the described target-subframe of first carrier is abandoned send physical layer data; Or described wireless transmission is downlink transfer, if judge that described wireless transmission is implemented, the described target-subframe of first carrier receives descending RS, if judge that described wireless transmission is not implemented, the described target-subframe of first carrier is abandoned receiving descending RS.
Wherein, first carrier is deployed in unlicensed spectrum.First signaling is the signaling of the described UE the last Serving cell being used to indicate described UE COT on first carrier received before described target-subframe.One COT takies K continuous subframes, and described K is positive integer.
2. method according to claim 1, is characterized in that, described step B comprises the steps:
-step B1. judges that described wireless transmission is implemented.Wherein said target-subframe belongs to a COT.
3. method according to claim 1, is characterized in that, described step B comprises the steps:
Described in-step B2., wireless transmission is uplink, on first carrier described target-subframe previous subframe on perform LBT operation to judge whether described wireless transmission is implemented; Or described wireless transmission is downlink transfer, judge that described wireless transmission is not implemented.
Wherein, described target-subframe is the subframe outside a COT.
4. the method according to claim 1-3, is characterized in that, described wireless transmission is downlink transfer, also comprises the steps:
-step C. sends up CSI on a second carrier, and the reference RS of described up CSI comprises described descending RS, and the second carrier wave is deployed in mandate frequency spectrum.
5. the method according to claim 1-3, is characterized in that, described wireless transmission is uplink, and the redundancy versions of described physical layer data does not abandon redundancy versions corresponding to described target-subframe under up transmission condition in hypothesis current HARQ process.
6. the method in base station, wherein, comprises the steps:
-steps A. send the first signaling and the second signaling respectively in the first subframe and the second subframe.A COT on first signaling instruction first carrier, the second signaling triggers the wireless transmission in the target-subframe of first carrier, and described wireless transmission is uplink or downlink transfer
Whether whether-step B. belongs to wireless transmission described in a COT auxiliary judgment according to described target-subframe is implemented.Described wireless transmission is uplink, if judge that described wireless transmission is implemented, the described target-subframe of first carrier receives physical layer data, if judge that described wireless transmission is not implemented, the described target-subframe of first carrier is abandoned receive physical layer data; Or described wireless transmission is downlink transfer, if judge that described wireless transmission is implemented, the described target-subframe of first carrier sends descending RS, if judge that described wireless transmission is not implemented, abandon sending descending RS in the described target-subframe of first carrier.
Wherein, first carrier is deployed in unlicensed spectrum.First signaling is described base station the last signaling being used to indicate the COT of transmission community on first carrier of the second signaling sent before described target-subframe.One COT takies K continuous subframes, and described K is positive integer.
7. method according to claim 6, is characterized in that, described step B comprises the steps:
-step B1. judges that described wireless transmission is implemented.Wherein said target-subframe belongs to a COT.
8. method according to claim 6, is characterized in that, described step B comprises the steps:
Described in-step B2., wireless transmission is uplink, judges whether described wireless transmission is implemented voluntarily; Or described wireless transmission is downlink transfer, judge that described wireless transmission is not implemented.
Wherein, described target-subframe is the subframe outside a COT.
9. the method according to claim 6-8, is characterized in that, described wireless transmission is downlink transfer, also comprises the steps:
-step C. receives up CSI on a second carrier, and the reference RS of described up CSI comprises described descending RS, and the second carrier wave is deployed in mandate frequency spectrum.
10. the method according to claim 6-8, is characterized in that, described wireless transmission is uplink, and the redundancy versions of described physical layer data does not abandon redundancy versions corresponding to described target-subframe under up transmission condition in hypothesis current HARQ process.
11. 1 kinds of subscriber equipmenies, is characterized in that, this equipment comprises:
First module: for receiving the first signaling and the second signaling respectively in the first subframe and the second subframe.A COT on first signaling instruction first carrier, the second signaling triggers the wireless transmission in the target-subframe of first carrier, and described wireless transmission is uplink or downlink transfer
Second module: whether implement for whether belonging to wireless transmission described in a COT auxiliary judgment according to described target-subframe.Described wireless transmission is uplink, if judge that described wireless transmission is implemented, the described target-subframe of first carrier sends physical layer data, if judge that described wireless transmission is not implemented, the described target-subframe of first carrier is abandoned send physical layer data; Or described wireless transmission is downlink transfer, if judge that described wireless transmission is implemented, the described target-subframe of first carrier receives descending RS, if judge that described wireless transmission is not implemented, the described target-subframe of first carrier is abandoned receiving descending RS.
Wherein, first carrier is deployed in unlicensed spectrum.First signaling is the signaling of the described UE the last Serving cell being used to indicate described UE COT on first carrier received before described target-subframe.One COT takies K continuous subframes, and described K is positive integer.
12. 1 kinds of base station equipments, is characterized in that, this equipment comprises:
First module: for sending the first signaling and the second signaling respectively in the first subframe and the second subframe.A COT on first signaling instruction first carrier, the second signaling triggers the wireless transmission in the target-subframe of first carrier, and described wireless transmission is uplink or downlink transfer
Second module: whether implement for whether belonging to wireless transmission described in a COT auxiliary judgment according to described target-subframe.Described wireless transmission is uplink, if judge that described wireless transmission is implemented, the described target-subframe of first carrier receives physical layer data, if judge that described wireless transmission is not implemented, the described target-subframe of first carrier is abandoned receive physical layer data; Or described wireless transmission is downlink transfer, if judge that described wireless transmission is implemented, the described target-subframe of first carrier sends descending RS, if judge that described wireless transmission is not implemented, abandon sending descending RS in the described target-subframe of first carrier.
Wherein, first carrier is deployed in unlicensed spectrum.First signaling is described base station the last signaling being used to indicate the COT of transmission community on first carrier of the second signaling sent before described target-subframe.One COT takies K continuous subframes, and described K is positive integer.
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| CN201910239005.2A CN110049564B (en) | 2014-10-23 | 2014-10-23 | LAA transmission method and device in cellular network |
| CN201410572505.5A CN105530647B (en) | 2014-10-23 | 2014-10-23 | LAA transmission method and device in a kind of Cellular Networks |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160227476A1 (en) * | 2015-01-29 | 2016-08-04 | Qualcomm Incorporated | Timing information for discovery in unlicensed spectrum |
| CN107889114A (en) * | 2016-09-30 | 2018-04-06 | 华为技术有限公司 | A kind of method and apparatus of unlicensed spectrum channel occupancy |
| CN109417801A (en) * | 2018-09-29 | 2019-03-01 | 北京小米移动软件有限公司 | Transmit method, apparatus and the base station of information |
| CN109983826A (en) * | 2016-09-29 | 2019-07-05 | 瑞典爱立信有限公司 | The coordination of uplink transmission scheduling and competition-based |
| CN110932829A (en) * | 2018-09-20 | 2020-03-27 | 维沃移动通信有限公司 | Transmission time indication method of unlicensed frequency band, network equipment and terminal |
| WO2020143630A1 (en) * | 2019-01-10 | 2020-07-16 | 华为技术有限公司 | Resource configuration method and apparatus |
| WO2020150877A1 (en) * | 2019-01-21 | 2020-07-30 | Oppo广东移动通信有限公司 | Method for communication in unlicensed spectrum and device |
| WO2020155109A1 (en) * | 2019-02-01 | 2020-08-06 | 北京小米移动软件有限公司 | Method and device for scheduling hybrid automatic repeat request |
| WO2021147062A1 (en) * | 2020-01-23 | 2021-07-29 | Qualcomm Incorporated | User equipment as initiating device in frame based equipment mode |
| WO2021155544A1 (en) * | 2020-02-06 | 2021-08-12 | Oppo广东移动通信有限公司 | Method and apparatus for determining transmission resource, and communication device |
| TWI762621B (en) * | 2017-04-20 | 2022-05-01 | 大陸商Ｏｐｐｏ廣東移動通信有限公司 | Method, device, and system for transmitting periodic uplink information/signal |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110049564B (en) * | 2014-10-23 | 2022-09-27 | 上海朗帛通信技术有限公司 | LAA transmission method and device in cellular network |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101594685A (en) * | 2008-05-29 | 2009-12-02 | 中国移动通信集团上海有限公司 | Allocation of radio resources and service priority are determined method, Apparatus and system |
| CN103052095A (en) * | 2011-10-11 | 2013-04-17 | 普天信息技术研究院有限公司 | Spectrum sensing method and system |
| US8867521B2 (en) * | 2011-08-26 | 2014-10-21 | Broadcom Corporation | Apparatus and method for communication |
| CN104113924A (en) * | 2013-04-17 | 2014-10-22 | 中兴通讯股份有限公司 | Multi-subframe scheduling method, device and system |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101778419B (en) * | 2009-01-09 | 2012-10-17 | 华为技术有限公司 | Configuration and sending method of PUCCH (Physical Uplink Control Channel) resources as well as device thereof |
| US8660071B2 (en) * | 2009-03-19 | 2014-02-25 | Qualcomm Incorporated | Adaptive resource partitioning in a wireless communication network |
| US8553575B2 (en) * | 2009-03-19 | 2013-10-08 | Qualcomm Incorporated | Resource partitioning for uplink in a wireless communication network |
| CN102077669B (en) * | 2009-05-25 | 2013-10-09 | 华为技术有限公司 | Method and apparatus for allocating the multi-carrier ACK channel |
| WO2012114151A1 (en) * | 2011-02-23 | 2012-08-30 | Research In Motion Limited | Dynamically enabling coordinated multi-point transmissions by assigning dynamic component carriers |
| WO2012114152A1 (en) * | 2011-02-23 | 2012-08-30 | Research In Motion Limited | Enabling cooperative harq transmissions by assigning dccs |
| EP2501057A1 (en) * | 2011-03-17 | 2012-09-19 | Panasonic Corporation | Dynamic PUSCH deactivation/activation for component carriers of a relay node |
| CN102843771B (en) * | 2011-06-20 | 2015-04-22 | 华为技术有限公司 | Method for information transmission in TDD system, user equipment and base station |
| WO2013006379A1 (en) * | 2011-07-01 | 2013-01-10 | Dinan Esmael Hejazi | Synchronization signal and control messages in multicarrier ofdm |
| CN103929811A (en) * | 2013-01-15 | 2014-07-16 | 电信科学技术研究院 | Resource distribution indicating method and device |
| EP2782409A1 (en) * | 2013-03-20 | 2014-09-24 | Panasonic Intellectual Property Corporation of America | Deterministic UE behaviour for CSI/SRS Reporting during DRX |
| CN110049564B (en) * | 2014-10-23 | 2022-09-27 | 上海朗帛通信技术有限公司 | LAA transmission method and device in cellular network |
-
2014
- 2014-10-23 CN CN201910239005.2A patent/CN110049564B/en active Active
- 2014-10-23 CN CN201910239013.7A patent/CN110035439B/en active Active
- 2014-10-23 CN CN201410572505.5A patent/CN105530647B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101594685A (en) * | 2008-05-29 | 2009-12-02 | 中国移动通信集团上海有限公司 | Allocation of radio resources and service priority are determined method, Apparatus and system |
| US8867521B2 (en) * | 2011-08-26 | 2014-10-21 | Broadcom Corporation | Apparatus and method for communication |
| CN103052095A (en) * | 2011-10-11 | 2013-04-17 | 普天信息技术研究院有限公司 | Spectrum sensing method and system |
| CN104113924A (en) * | 2013-04-17 | 2014-10-22 | 中兴通讯股份有限公司 | Multi-subframe scheduling method, device and system |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10512033B2 (en) * | 2015-01-29 | 2019-12-17 | Qualcomm Incorporated | Timing information for discovery in unlicensed spectrum |
| US20160227476A1 (en) * | 2015-01-29 | 2016-08-04 | Qualcomm Incorporated | Timing information for discovery in unlicensed spectrum |
| CN109983826A (en) * | 2016-09-29 | 2019-07-05 | 瑞典爱立信有限公司 | The coordination of uplink transmission scheduling and competition-based |
| CN109983826B (en) * | 2016-09-29 | 2022-08-23 | 瑞典爱立信有限公司 | Coordination of scheduled and contention-based uplink transmissions |
| CN107889114A (en) * | 2016-09-30 | 2018-04-06 | 华为技术有限公司 | A kind of method and apparatus of unlicensed spectrum channel occupancy |
| CN107889114B (en) * | 2016-09-30 | 2023-11-17 | 华为技术有限公司 | Method and equipment for occupying unlicensed spectrum channels |
| TWI762621B (en) * | 2017-04-20 | 2022-05-01 | 大陸商Ｏｐｐｏ廣東移動通信有限公司 | Method, device, and system for transmitting periodic uplink information/signal |
| US11743916B2 (en) | 2017-04-20 | 2023-08-29 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method, apparatus and system for transmitting periodic uplink information/signals |
| CN110932829A (en) * | 2018-09-20 | 2020-03-27 | 维沃移动通信有限公司 | Transmission time indication method of unlicensed frequency band, network equipment and terminal |
| US12075474B2 (en) | 2018-09-20 | 2024-08-27 | Vivo Mobile Communication Co., Ltd. | Transmission time indication method for unlicensed band, network device and terminal |
| WO2020062183A1 (en) * | 2018-09-29 | 2020-04-02 | 北京小米移动软件有限公司 | Method and apparatus for transmitting information, and base station |
| US11979872B2 (en) | 2018-09-29 | 2024-05-07 | Beijing Xiaomi Mobile Software Co., Ltd. | Method, device and base station for transmitting information |
| CN109417801B (en) * | 2018-09-29 | 2023-12-12 | 北京小米移动软件有限公司 | Method, device and base station for transmitting information |
| CN109417801A (en) * | 2018-09-29 | 2019-03-01 | 北京小米移动软件有限公司 | Transmit method, apparatus and the base station of information |
| WO2020143630A1 (en) * | 2019-01-10 | 2020-07-16 | 华为技术有限公司 | Resource configuration method and apparatus |
| CN111432423A (en) * | 2019-01-10 | 2020-07-17 | 华为技术有限公司 | Resource allocation method and device |
| CN111432423B (en) * | 2019-01-10 | 2021-11-19 | 华为技术有限公司 | Resource allocation method and device |
| WO2020150877A1 (en) * | 2019-01-21 | 2020-07-30 | Oppo广东移动通信有限公司 | Method for communication in unlicensed spectrum and device |
| US12034661B2 (en) | 2019-01-21 | 2024-07-09 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method for communication in unlicensed spectrum and device |
| US12028172B2 (en) | 2019-02-01 | 2024-07-02 | Beijing Xiaomi Mobile Software Co., Ltd. | Method and device for scheduling hybrid automatic repeat request |
| WO2020155109A1 (en) * | 2019-02-01 | 2020-08-06 | 北京小米移动软件有限公司 | Method and device for scheduling hybrid automatic repeat request |
| WO2021147062A1 (en) * | 2020-01-23 | 2021-07-29 | Qualcomm Incorporated | User equipment as initiating device in frame based equipment mode |
| WO2021155544A1 (en) * | 2020-02-06 | 2021-08-12 | Oppo广东移动通信有限公司 | Method and apparatus for determining transmission resource, and communication device |
Also Published As
| Publication number | Publication date |
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| CN110049564A (en) | 2019-07-23 |
| CN110035439A (en) | 2019-07-19 |
| CN105530647B (en) | 2019-09-06 |
| CN110049564B (en) | 2022-09-27 |
| CN110035439B (en) | 2023-02-28 |
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