CN105636206A - LAA interception resource distribution method and device - Google Patents
LAA interception resource distribution method and device Download PDFInfo
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- CN105636206A CN105636206A CN201410587264.1A CN201410587264A CN105636206A CN 105636206 A CN105636206 A CN 105636206A CN 201410587264 A CN201410587264 A CN 201410587264A CN 105636206 A CN105636206 A CN 105636206A
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Abstract
The present invention provides an LAA interception resource distribution method and device. In the step 1, a UE receives a first signaling, and the first signaling is configured to execute the target bandwidth of interception operation; in the step 2, the UE executes the interception operation on the target bandwidth of the a first carrier to determine whether the first subframe of the first carrier sends wireless signals or not, if the first subframe of the first carrier sends wireless signals, communication symbols are sent on the first subframe of the first carrier, and if the first subframe of the first carrier does not send wireless signals, the first subframe of the first carrier maintains zero sending power. The first signaling is a high signaling, and the first carrier is arranged at a non-authoritative frequency spectrum. The target bandwidth is the subset of the first carrier bandwidth. The LAA interception resource distribution method and device allow an LTE LAA to be compatible with a traditional UL HARQ scheme after introducing an LBT technology, and complex standard changing is avoided.
Description
Technical field
The present invention relates to the scheme utilizing unlicensed spectrum to communicate in wireless communication system, 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, data transmission can only occur on mandate frequency spectrum, sharply increase however as portfolio, especially in some urban areas, frequency spectrum is authorized to be likely difficult to the demand meeting portfolio. 62 plenary sessions of 3GPPRAN discuss a new research topic, namely the research (RP-132085) that unlicensed spectrum is comprehensive, the Non-standalone (dependent) that main purpose is research and utilization LTE 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 reuse the CA (CarrierAggregation in existing system as far as possible, carrier aggregation) concept, namely it is deployed in and authorizes the Serving cell on frequency spectrum as PCC (PrimaryComponentCarrier, main carrier), it is deployed in the Serving cell in unlicensed spectrum as SCC (SecondaryComponentCarrier, auxiliary carrier wave). For unlicensed spectrum, consider its interference level uncontrollable/prediction, LBT (ListenBeforeTalk first intercepts and sends afterwards) technology can effectively avoid the interference between LTE system and other system and the interference between the internal different operators equipment of LTE system. In RAN#64 plenary session (seminar), the communication in unlicensed spectrum is LAA (LicenseAssistedAccess authorizes frequency spectrum auxiliary to access) by Uniform Name.
For LTELAA, needs consideration is that, base station is when being wirelessly transferred of present sub-frame regulation goal subframe, and (introducing due to LBT technology) possibly cannot guarantee to be wirelessly transferred real generation in target-subframe. 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 due to the introducing of LBT, UE (UserEquipment, subscriber equipment) monitors interference level to determine whether to perform up transmission in unlicensed spectrum. Base station cannot determine whether UE performs up transmission and base station possibly cannot determine the redundancy versions of the UE physical layer data sent in scheduling subframe in scheduling subframe, and namely LBT and uplink synchronous HARQ can produce conflict.
For the problems referred to above, the invention discloses a kind of LAA and intercept resource allocation methods and device.
Summary of the invention
The invention discloses a kind of method in UE, wherein, comprise the steps:
-step A. receives the first signaling, and the first signaling instruction is for performing to intercept the target bandwidth of operation
-step B. performs to intercept in the described target bandwidth of first carrier and operates to judge whether that the first subframe at first carrier sends wireless signal. If it is determined that transmission wireless signal, then in the first subframe of first carrier, send traffic symbols; If it is determined that do not send wireless signal, then in the first subframe of first carrier, keep zero transmit power.
Wherein, the first signaling is high-level signaling, and first carrier is deployed in unlicensed spectrum. Described target bandwidth is the subset of first carrier bandwidth.
As an embodiment, the first signaling is RRC (RadioResourceControl, wireless heterogeneous networks) layer signaling. As an embodiment, described traffic symbols is the up-link wireless signal in the upper transmission of PUSCH (PhysicalUplinkSharedChannel, Physical Uplink Shared Channel). As an embodiment, described traffic symbols is D2D (DevicetoDevice, device to device) wireless signal. As an embodiment, first carrier bandwidth is 20MHz (MegaHerz, megahertz)-i.e. 100 continuous print PRB (PhysicalResourceBlock, Physical Resource Block), described target bandwidth is the some or all of bandwidth in 20MHz.
Concrete, according to an aspect of the present invention, it is characterised in that described in intercept operation and perform in the previous subframe of the first subframe of first carrier.
As an embodiment, if described UE pass through described in intercept operation and determine that received signal power is lower than given power threshold, then judge to send wireless signal, otherwise judge not send wireless signal, described power threshold is predefined or configurable.
Concrete, according to an aspect of the present invention, it is characterised in that described step A also comprises the steps:
-step A1. receives the second signaling, and the frequency band of traffic symbols described in the second signaling scheduling is the first frequency band.
Wherein, the second signaling is physical layer signaling, and described traffic symbols takies the frequency band outside in the first frequency band and that described target bandwidth overlaps overlapping bands.
Second signaling is downlink signaling. As an embodiment, the second signaling is the uplink scheduling DCI (DownlinkControlInformation, Downlink Control Information) of the HARQ process belonging to described traffic symbols, and the first frequency band is the frequency band of scheduling in described uplink scheduling DCI. As an embodiment, the second signaling is to distribute the D2DDCI of the resource for D2D communication, and the first frequency band is the frequency band of scheduling in described D2DDCI. As an embodiment, described traffic symbols is transmitted on PUSCH, and the redundancy versions of described traffic symbols assumes that in its affiliated HARQ process and do not abandon the redundancy versions that when up transmission, described target-subframe is corresponding. As an embodiment, described UE adopts the way of rate-matched or punching to avoid described overlapping bands. Above-mentioned aspect avoids the described UE described traffic symbols sent affects other UE in the execution LBT operation of described object tape alleviating distention in middle-JIAO.
Concrete, according to an aspect of the present invention, it is characterised in that described step B also comprises the steps:
-step B1. sends the 3rd signaling and indicates whether to send described traffic symbols.
Wherein, the 3rd signaling is physical layer signaling.
As an embodiment, the 3rd signaling is in the upper transmission of PUCCH (PhysicalUplinkControlChannel, Physical Uplink Control Channel).
Concrete, according to an aspect of the present invention, it is characterised in that described step A also comprises the steps:
-step A2. receives the 4th signaling for scheduling downstream transmission
-step A3. receives downlink physical layer data on first carrier.
Wherein, the 4th signaling is physical layer signaling, and described in the 4th signaling scheduling, the frequency band of physical layer data is the second frequency band, and described physical layer data takies the frequency band outside in the second frequency band and that described target bandwidth overlaps overlapping bands.
The UE that aforementioned aspect of the present invention avoids in the downstream wireless signals described Serving cell of impact that Serving cell sends performs LBT operation in described target bandwidth. As an embodiment, the 4th signaling is that { in 0,4}, the second frequency band is the frequency band of scheduling in the 4th signaling to DCI format. As an embodiment, base station by performing rate-matched or punching to avoid taking described overlapping bands to described physical layer data on the described overlapping bands on first carrier.
Concrete, according to aforementioned aspect of the present invention, it is characterised in that described target bandwidth includes K1 discontinuous subcarrier group on frequency domain, each described subcarrier group include K2 on frequency domain continuous print subcarrier, described K1 and described K2 be all positive integer.
As an embodiment, described K1 sub-carrier wave set is on the equally spaced frequency band being distributed in first carrier. As an embodiment, described K2 is greater than the positive integer of 1.
The invention discloses a kind of method in base station, wherein, comprise the steps:
-step A. sends the first signaling, and the first signaling instruction is for performing to intercept the target bandwidth of operation
-step B. judges that whether target UE sends wireless signal in the first subframe of first carrier, if it is determined that target UE sends wireless signal, then receives traffic symbols in the first subframe of first carrier; If it is determined that target UE does not send wireless signal, then abandon receiving traffic symbols in the first subframe of first carrier.
Wherein, the first signaling is high-level signaling, and first carrier is deployed in unlicensed spectrum. Described target bandwidth is the subset of first carrier bandwidth.
As an embodiment, the first signaling is community common signaling. As an embodiment, according to received signal power, described base station judges that whether target UE sends wireless signal in the first subframe of first carrier. As an embodiment, whether described base station sends wireless signal in the first subframe of first carrier according to the maximum multipath delay judgement target UE of the channel parameter estimated and (if described multipath delay is not more than threshold value preset time, judges to send wireless signal, otherwise judge not send wireless signal), the channel parameter of described estimation carries out channel estimating according to the wireless signal that DMRS position receives and draws. As an embodiment, described in abandon receive traffic symbols namely: in the first subframe of first carrier close receiver. As an embodiment, described in abandon receive traffic symbols namely: abandon the wireless signal that (Drop) receives in the first subframe of first carrier.
Concrete, according to aforementioned aspect of the present invention, it is characterised in that described step A also comprises the steps:
-step A1. sends the second signaling, and the frequency band of traffic symbols described in the second signaling scheduling is the first frequency band
Wherein, the second signaling is physical layer signaling, and described traffic symbols takies the frequency band outside in the first frequency band and that described target bandwidth overlaps overlapping bands.
Second signaling is downlink signaling. As an embodiment, the second signaling is the uplink scheduling DCI of the HARQ process belonging to described traffic symbols. As an embodiment, the second signaling is D2DDCI. As an embodiment, described traffic symbols is transmitted on PUSCH, and the redundancy versions of described traffic symbols assumes that in its affiliated HARQ process and do not abandon the redundancy versions that when up transmission, described target-subframe is corresponding. As an embodiment, described UE adopts the way of rate-matched or punching to avoid described overlapping bands. Above-mentioned aspect avoids the described UE described traffic symbols sent affects other UE in the execution LBT operation of described object tape alleviating distention in middle-JIAO.
Concrete, according to aforementioned aspect of the present invention, it is characterised in that described step B also comprises the steps:
-step B1. receives the 3rd signaling and judges whether target UE sends described traffic symbols.
Wherein, the 3rd signaling is physical layer signaling.
Concrete, according to aforementioned aspect of the present invention, it is characterised in that described step A also comprises the steps:
-step A2. sends the 4th signaling for scheduling downstream transmission
-step A3. sends downlink physical layer data on first carrier
Wherein, the 4th signaling is physical layer signaling, and described in the 4th signaling scheduling, the frequency band of physical layer data is the second frequency band, and described physical layer data takies the frequency band outside in the second frequency band and that described target bandwidth overlaps overlapping bands.
The UE of the downstream wireless signals impact described base station service that above-mentioned aspect avoids described base station performs LBT operation in described target bandwidth. As an embodiment, the 4th signaling is the DCI format { one in 2B, 2C}.
Concrete, according to aforementioned aspect of the present invention, it is characterised in that described target bandwidth includes K1 discontinuous subcarrier group on frequency domain, each described subcarrier group include K2 on frequency domain continuous print subcarrier, described K1 and described K2 be all positive integer.
The invention discloses a kind of subscriber equipment, it is characterised in that this equipment includes:
First module: be used for receiving the first signaling, the first signaling instruction is for performing to intercept the target bandwidth of operation
Second module: operate to judge whether that the first subframe at first carrier sends wireless signal for performing to intercept in the described target bandwidth of first carrier. If it is determined that transmission wireless signal, then in the first subframe of first carrier, send traffic symbols; If it is determined that do not send wireless signal, then in the first subframe of first carrier, keep zero transmit power.
Wherein, the first signaling is high-level signaling, and first carrier is deployed in unlicensed spectrum. Described target bandwidth is the subset of first carrier bandwidth.
As an embodiment, the first module is additionally operable to receive the second signaling, and the frequency band of traffic symbols described in the second signaling scheduling is the first frequency band. Wherein, the second signaling is physical layer signaling, and described traffic symbols takies the frequency band outside in the first frequency band and that described target bandwidth overlaps overlapping bands.
As an embodiment, the second module is additionally operable to send the 3rd signaling and indicates whether to send described traffic symbols. Wherein, the 3rd signaling is physical layer signaling.
As an embodiment, the first module is additionally operable to:
-. receive the 4th signaling for scheduling downstream transmission
-. on first carrier, receive downlink physical layer data
Wherein, the 4th signaling is physical layer signaling, and described in the 4th signaling scheduling, the frequency band of physical layer data is the second frequency band, and described physical layer data takies the frequency band outside in the second frequency band and that described target bandwidth overlaps overlapping bands.
The invention discloses a kind of base station equipment, it is characterised in that this equipment includes:
First module: be used for sending the first signaling, the first signaling instruction is for performing to intercept the target bandwidth of operation
Second module: for judging that whether target UE sends wireless signal in the first subframe of first carrier, if it is determined that target UE sends wireless signal, then receive traffic symbols in the first subframe of first carrier; If it is determined that target UE does not send wireless signal, then abandon receiving traffic symbols in the first subframe of first carrier.
Wherein, the first signaling is high-level signaling, and first carrier is deployed in unlicensed spectrum. Described target bandwidth is the subset of first carrier bandwidth.
As an embodiment, the first module is additionally operable to send the second signaling, and the frequency band of traffic symbols described in the second signaling scheduling is the first frequency band. Wherein, the second signaling is physical layer signaling, and described traffic symbols takies the frequency band outside in the first frequency band and that described target bandwidth overlaps overlapping bands.
As an embodiment, the second module is additionally operable to receive the 3rd signaling and judges whether target UE sends described traffic symbols. Wherein, the 3rd signaling is physical layer signaling.
As an embodiment, the first module is additionally operable to:
-. send the 4th signaling for scheduling downstream transmission
-. on first carrier, send downlink physical layer data
Wherein, the 4th signaling is physical layer signaling, and described in the 4th signaling scheduling, the frequency band of physical layer data is the second frequency band, and described physical layer data takies the frequency band outside in the second frequency band and that described target bandwidth overlaps overlapping bands.
Dispatch possibly when UE carries out wireless transmission in the target-subframe of LAA carrier wave for base station at present sub-frame and cannot guarantee that the target-subframe of LAA carrier wave meets this problem of wireless transmission condition, the present invention proposes a kind of LAA and intercepts resource allocation methods and device, the target band of operation is intercepted in base station configuration for LBT, and UE intercepts to have determined that whether send wireless signal in target-subframe in target band. The present invention can reuse the key technology of LTE to greatest extent, for instance uplink synchronous HARQ, ascending HARQ sequential etc., it is to avoid complicated standard is changed.
Accompanying drawing explanation
By reading the detailed description that non-limiting example is made made with reference to the following drawings, the other features, objects and advantages of the present invention will become more apparent:
Fig. 1 illustrates the flow chart carrying out uplink on LAA carrier wave according to an embodiment of the invention;
Fig. 2 illustrates the subframe sequential chart carrying out LBT operation in the target bandwidth on LAA carrier wave according to an embodiment of the invention;
Fig. 3 illustrates the schematic diagram of the target bandwidth on LAA carrier wave according to an embodiment of the invention;
Fig. 4 illustrates the structured flowchart processing device in UE according to an embodiment of the invention;
Fig. 5 illustrates the structured flowchart processing device in base station according to an embodiment of the invention;
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme being described in further detail, it is necessary to explanation, when not conflicting, embodiments herein and the feature in embodiment can arbitrarily be mutually combined.
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 Serving cell of UEU2, and wherein in square frame F0 and square frame F1, the step of mark is optional.
For base station N1, send the first signaling in step s 11; Judge that whether target UE sends wireless signal in the first subframe of first carrier in step s 12, if it is determined that target UE sends wireless signal then receives traffic symbols in the step s 120 in the first subframe of first carrier, then abandon receiving traffic symbols in step S121 in the first subframe of first carrier if it is determined that target UE does not send wireless signal.
For UEU2, receive the first signaling in the step s 21; Step S22 performs in the described target bandwidth of first carrier intercept and operate to judge whether that the first subframe at first carrier sends wireless signal, if it is determined that send wireless signal then send traffic symbols in step S220 in the first subframe of first carrier, if it is determined that do not send wireless signal then keep zero transmit power in step S221 in the first subframe of first carrier.
In embodiment 1, the first signaling is high-level signaling, and the first signaling instruction is for performing to intercept the target bandwidth of operation, and first carrier is deployed in unlicensed spectrum. Described target bandwidth is the subset of first carrier bandwidth.
As the sub-embodiment 1 of embodiment 1, base station N1 sends the second signaling in step s 110, and UEU2 receives the second signaling in step S210. Wherein, the second signaling is physical layer signaling, and the frequency band of traffic symbols described in the second signaling scheduling is the first frequency band, and described traffic symbols takies the frequency band outside in the first frequency band and that described target bandwidth overlaps overlapping bands.
Sub-embodiment 2 as embodiment 1, UEU2 sends the 3rd signaling in step S222 and indicates whether to send described traffic symbols, and base station N1 receives the 3rd signaling in step S122 and judges whether UEU2 sends described traffic symbols (namely described in step S12 judges that whether target UE sends wireless signal in the first subframe of first carrier and completed by step S122). Wherein, the 3rd signaling is physical layer signaling, transmits on PUCCH.
As the sub-embodiment 3 of embodiment 1, the first signaling is that community is public.
Embodiment 2
Embodiment 2 illustrates the subframe sequential chart carrying out LBT operation in the target bandwidth on LAA carrier wave, as shown in Figure 2. In accompanying drawing 2, runic grid one subframe of mark.
First base station sends the first signaling to UE at the subframe #1 of the second carrier wave, and the first signaling instruction is for performing to intercept the target bandwidth of operation. Then base station sends the second signaling to UE, frequency band i.e. the first frequency band in the subframe #4 of the second signaling scheduling first carrier at the subframe #2 of the second carrier wave. UE performs to intercept in subframe #3 (i.e. the previous subframe of subframe #4) and operates to judge whether to send wireless signal at the subframe #4 of first carrier, if it is determined that send wireless signal, then sends traffic symbols on the subframe #4 of first carrier; If it is determined that do not send wireless signal, then on the subframe #4 of first carrier, keep zero transmit power.
In embodiment 2, first carrier is deployed in unlicensed spectrum, and the second carrier wave is deployed in mandate frequency spectrum, and the first signaling is high-level signaling, and the second signaling is physical layer signaling. Described target bandwidth is the subset of first carrier bandwidth, and described traffic symbols takies the frequency band outside in the first frequency band and that described target bandwidth overlaps overlapping bands. Subframe #2 is the kth subframe before subframe #4, and described k is no less than the positive integer of 4
As the sub-embodiment 1 of embodiment 2, described k subframe is the one in the uplink scheduling time delay in TDD (TimeDivisionDuplex, time division duplex) LTE, and namely described k is { in 4,5,6,7}.
Embodiment 3
Embodiment 3 illustrates the schematic diagram of the target bandwidth on LAA carrier wave, as shown in Figure 3. In accompanying drawing 3, bold box pane one sub-carrier wave set of mark.
Base station sends the first signaling to UE, and the first signaling instruction is for performing to intercept the target bandwidth of operation. Described target bandwidth includes K1 discontinuous subcarrier group on frequency domain (respectively by the bold box pane mark of the index 1-K1 in accompanying drawing 3), it is all positive integer that each described subcarrier group includes K2 continuous print subcarrier, described K1 and described K2 on frequency domain. Then UE performs to intercept in the described target bandwidth of first carrier and operates to judge whether that the first subframe at first carrier sends wireless signal, if it is determined that send wireless signal then send traffic symbols in the first subframe of first carrier, if it is determined that do not send wireless signal then keep zero transmit power in the first subframe of first carrier.
In embodiment 3, the first signaling is high-level signaling, and first carrier is deployed in unlicensed spectrum. Described target bandwidth is the subset of first carrier bandwidth.
As the sub-embodiment 1 of embodiment 3, above-mentioned K1 sub-carrier wave set is spacedly distributed on the frequency band of first carrier.
As the sub-embodiment 2 of embodiment 3, described K2 is less than 12 (i.e. sub-carrier numbers in 1 PRB).
As the sub-embodiment 3 of embodiment 3, then base station sends the second signaling to UE, and the frequency band of traffic symbols described in the second signaling scheduling is the first frequency band (as shown in Figure 3). Second signaling is physical layer signaling, and described traffic symbols takies the frequency band outside in the first frequency band and that described target bandwidth overlaps overlapping bands, namely removes the remainder of subcarrier group 1 and subcarrier group 2 in accompanying drawing 3 in the first frequency band.
Embodiment 4
Embodiment 4 illustrates the structured flowchart processing device in UE, as shown in Figure 4. In accompanying drawing 4, UE processes device 200 and is made up of receiver module 201 and processing module 202.
Receiver module 201 is used for receiving the first signaling, and the first signaling instruction is for performing to intercept the target bandwidth of operation; Processing module 202 operates to judge whether that the first subframe at first carrier sends wireless signal for performing to intercept in the described target bandwidth of first carrier, if it is determined that send wireless signal then send traffic symbols in the first subframe of first carrier, if it is determined that do not send wireless signal then keep zero transmit power in the first subframe of first carrier.
In embodiment 4, the first signaling is high-level signaling, and first carrier is deployed in unlicensed spectrum. Described target bandwidth is the subset of first carrier bandwidth.
As the sub-embodiment 1 of embodiment 4, receiver module 201 receives for the 4th signaling of scheduling downstream transmission and receives downlink physical layer data on first carrier. Wherein, the 4th signaling is DCI, and described in the 4th signaling scheduling, the frequency band of physical layer data is the second frequency band, and described physical layer data takies the frequency band outside in the second frequency band and that described target bandwidth overlaps overlapping bands.
Embodiment 5
Embodiment 5 illustrates the structured flowchart processing device for uplink receiving in base station, as shown in Figure 5. In accompanying drawing 5, base station processes device 400 and is made up of sending module 401 and processing module 402.
Sending module 401 is used for sending the first signaling, and the first signaling instruction is for performing to intercept the target bandwidth of operation; Processing module 402 is for judging that whether target UE sends wireless signal in the first subframe of first carrier, if it is determined that target UE sends wireless signal then receives traffic symbols in the first subframe of first carrier, then abandon receiving traffic symbols in the first subframe of first carrier if it is determined that target UE does not send wireless signal.
In embodiment 5, the first signaling is high-level signaling, and first carrier is deployed in unlicensed spectrum. Described target bandwidth is the subset of first carrier bandwidth.
As the sub-embodiment 1 of embodiment 5, the bandwidth of first carrier is 20MHz.
As the sub-embodiment 2 of embodiment 5, sending module 401 is additionally operable to send the second signaling, and the frequency band of traffic symbols described in the second signaling scheduling is the first frequency band. Wherein, the second signaling is the DCI sent for dispatching uplink, and described traffic symbols takies the frequency band outside in the first frequency band and that described target bandwidth overlaps overlapping bands.
One of ordinary skill in the art will appreciate that all or part of step in said method can be carried out instruction related hardware by program and complete, described program can be stored in computer-readable recording medium, such as read only memory, hard disk or CD etc. Optionally, all or part of step of above-described embodiment can also use one or more integrated circuit to realize. Accordingly, each modular unit in above-described embodiment, it is possible to adopt example, in hardware to realize, it is also possible to being 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 presently preferred embodiments of the present invention, is not intended to limit protection scope of the present invention. All within the spirit and principles in the present invention, any amendment made, equivalent replace, improvement etc., should be included within protection scope of the present invention.
Claims (13)
1. the method in UE, wherein, comprises the steps:
-step A. receives the first signaling, and the first signaling instruction is for performing to intercept the target bandwidth of operation
-step B. performs to intercept in the described target bandwidth of first carrier and operates to judge whether that the first subframe at first carrier sends wireless signal. If it is determined that transmission wireless signal, then in the first subframe of first carrier, send traffic symbols; If it is determined that do not send wireless signal, then in the first subframe of first carrier, keep zero transmit power.
Wherein, the first signaling is high-level signaling, and first carrier is deployed in unlicensed spectrum. Described target bandwidth is the subset of first carrier bandwidth.
2. method according to claim 1, it is characterised in that described in intercept operation in the previous subframe of the first subframe of first carrier perform.
3. method according to claim 1, it is characterised in that described step A also comprises the steps:
-step A1. receives the second signaling, and the frequency band of traffic symbols described in the second signaling scheduling is the first frequency band.
Wherein, the second signaling is physical layer signaling, and described traffic symbols takies the frequency band outside in the first frequency band and that described target bandwidth overlaps overlapping bands.
4. method according to claim 1, it is characterised in that described step B also comprises the steps:
-step B1. sends the 3rd signaling and indicates whether to send described traffic symbols.
Wherein, the 3rd signaling is physical layer signaling.
5. method according to claim 1, it is characterised in that described step A also comprises the steps:
-step A2. receives the 4th signaling for scheduling downstream transmission
-step A3. receives downlink physical layer data on first carrier.
Wherein, the 4th signaling is physical layer signaling, and described in the 4th signaling scheduling, the frequency band of physical layer data is the second frequency band, and described physical layer data takies the frequency band outside in the second frequency band and that described target bandwidth overlaps overlapping bands.
6. the method according to claim 1-5, it is characterised in that described target bandwidth includes K1 discontinuous subcarrier group on frequency domain, each described subcarrier group include K2 on frequency domain continuous print subcarrier, described K1 and described K2 be all positive integer.
7. the method in base station, wherein, comprises the steps:
-step A. sends the first signaling, and the first signaling instruction is for performing to intercept the target bandwidth of operation
-step B. judges that whether target UE sends wireless signal in the first subframe of first carrier, if it is determined that target UE sends wireless signal, then receives traffic symbols in the first subframe of first carrier; If it is determined that target UE does not send wireless signal, then abandon receiving traffic symbols in the first subframe of first carrier.
Wherein, the first signaling is high-level signaling, and first carrier is deployed in unlicensed spectrum. Described target bandwidth is the subset of first carrier bandwidth.
8. method according to claim 7, it is characterised in that described step A also comprises the steps:
-step A1. sends the second signaling, and the frequency band of traffic symbols described in the second signaling scheduling is the first frequency band.
Wherein, the second signaling is physical layer signaling, and described traffic symbols takies the frequency band outside in the first frequency band and that described target bandwidth overlaps overlapping bands.
9. method according to claim 7, it is characterised in that described step B also comprises the steps:
-step B1. receives the 3rd signaling and judges whether target UE sends described traffic symbols.
Wherein, the 3rd signaling is physical layer signaling.
10. method according to claim 7, it is characterised in that described step A also comprises the steps:
-step A2. sends the 4th signaling for scheduling downstream transmission
-step A3. sends downlink physical layer data on first carrier.
Wherein, the 4th signaling is physical layer signaling, and described in the 4th signaling scheduling, the frequency band of physical layer data is the second frequency band, and described physical layer data takies the frequency band outside in the second frequency band and that described target bandwidth overlaps overlapping bands.
11. the method according to claim 7-10, it is characterised in that described target bandwidth includes K1 discontinuous subcarrier group on frequency domain, each described subcarrier group include K2 on frequency domain continuous print subcarrier, described K1 and described K2 be all positive integer.
12. a subscriber equipment, it is characterised in that this equipment includes:
First module: be used for receiving the first signaling, the first signaling instruction is for performing to intercept the target bandwidth of operation
Second module: operate to judge whether that the first subframe at first carrier sends wireless signal for performing to intercept in the described target bandwidth of first carrier. If it is determined that transmission wireless signal, then in the first subframe of first carrier, send traffic symbols; If it is determined that do not send wireless signal, then in the first subframe of first carrier, keep zero transmit power.
Wherein, the first signaling is high-level signaling, and first carrier is deployed in unlicensed spectrum. Described target bandwidth is the subset of first carrier bandwidth.
13. a base station equipment, it is characterised in that this equipment includes:
First module: be used for sending the first signaling, the first signaling instruction is for performing to intercept the target bandwidth of operation
Second module: for judging that whether target UE sends wireless signal in the first subframe of first carrier, if it is determined that target UE sends wireless signal, then receive traffic symbols in the first subframe of first carrier; If it is determined that target UE does not send wireless signal, then abandon receiving traffic symbols in the first subframe of first carrier.
Wherein, the first signaling is high-level signaling, and first carrier is deployed in unlicensed spectrum. Described target bandwidth is the subset of first carrier bandwidth.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910690288.2A CN110381593B (en) | 2014-10-28 | 2014-10-28 | LAA interception resource allocation method and device |
| CN201410587264.1A CN105636206B (en) | 2014-10-28 | 2014-10-28 | A kind of LAA listens to resource allocation methods and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410587264.1A CN105636206B (en) | 2014-10-28 | 2014-10-28 | A kind of LAA listens to resource allocation methods and device |
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| CN201910690288.2A Division CN110381593B (en) | 2014-10-28 | 2014-10-28 | LAA interception resource allocation method and device |
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| CN105636206A true CN105636206A (en) | 2016-06-01 |
| CN105636206B CN105636206B (en) | 2019-11-19 |
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| CN107079460A (en) * | 2014-11-06 | 2017-08-18 | 株式会社Ntt都科摩 | User terminal and wireless communication system |
| CN107396386A (en) * | 2017-08-30 | 2017-11-24 | 宇龙计算机通信科技(深圳)有限公司 | Channel detection method and channel detection equipment |
| WO2017219284A1 (en) * | 2016-06-22 | 2017-12-28 | Huizhou Tcl Mobile Communication Co., Ltd | Uplink transmission methods, assignment methods, user equipment, and base stations, using unlicensed spectrum |
| CN107682929A (en) * | 2016-08-02 | 2018-02-09 | 上海朗帛通信技术有限公司 | It is a kind of be wirelessly transferred in method and apparatus |
| CN107872847A (en) * | 2016-09-28 | 2018-04-03 | 华为技术有限公司 | Transmit method, the network equipment and the terminal device of data |
| CN108966355A (en) * | 2017-05-24 | 2018-12-07 | 华为技术有限公司 | Channel sense method, network side equipment and terminal |
| CN110024474A (en) * | 2016-12-01 | 2019-07-16 | 高通股份有限公司 | Listem-before-talk technology in synchronization system |
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| CN110602785A (en) * | 2018-06-12 | 2019-12-20 | 上海朗帛通信技术有限公司 | Method and device used in user equipment and base station for wireless communication |
| CN112087761A (en) * | 2017-01-05 | 2020-12-15 | 华为技术有限公司 | Resource mapping method and user equipment |
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| CN112332965B (en) * | 2016-11-27 | 2022-03-29 | 上海朗帛通信技术有限公司 | Method and device in wireless communication |
| CN112332965A (en) * | 2016-11-27 | 2021-02-05 | 上海朗帛通信技术有限公司 | Method and device in wireless communication |
| CN110024474B (en) * | 2016-12-01 | 2022-12-13 | 高通股份有限公司 | Listen-before-talk techniques in synchronous systems |
| CN110024474A (en) * | 2016-12-01 | 2019-07-16 | 高通股份有限公司 | Listem-before-talk technology in synchronization system |
| CN112087761B (en) * | 2017-01-05 | 2023-10-03 | 华为技术有限公司 | Resource mapping method and user equipment |
| CN112087761A (en) * | 2017-01-05 | 2020-12-15 | 华为技术有限公司 | Resource mapping method and user equipment |
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| CN108966355A (en) * | 2017-05-24 | 2018-12-07 | 华为技术有限公司 | Channel sense method, network side equipment and terminal |
| CN107396386B (en) * | 2017-08-30 | 2021-05-18 | 宇龙计算机通信科技(深圳)有限公司 | Channel detection method and channel detection equipment |
| CN107396386A (en) * | 2017-08-30 | 2017-11-24 | 宇龙计算机通信科技(深圳)有限公司 | Channel detection method and channel detection equipment |
| CN110035499B (en) * | 2018-01-11 | 2023-07-25 | 上海朗帛通信技术有限公司 | Method and apparatus in a communication node for wireless communication |
| CN110035499A (en) * | 2018-01-11 | 2019-07-19 | 上海朗帛通信技术有限公司 | A kind of method and apparatus in communication node for wireless communication |
| WO2019149242A1 (en) * | 2018-02-01 | 2019-08-08 | 上海朗帛通信技术有限公司 | Method and apparatus for wireless communication in base station and user equipment |
| CN110602785A (en) * | 2018-06-12 | 2019-12-20 | 上海朗帛通信技术有限公司 | Method and device used in user equipment and base station for wireless communication |
| CN110602785B (en) * | 2018-06-12 | 2023-02-03 | 上海朗帛通信技术有限公司 | Method and device used in user equipment and base station for wireless communication |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110381593B (en) | 2023-04-07 |
| CN105636206B (en) | 2019-11-19 |
| CN110381593A (en) | 2019-10-25 |
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