CN106063347B - Use the method and apparatus of unlicensed spectrum - Google Patents
Use the method and apparatus of unlicensed spectrum Download PDFInfo
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- CN106063347B CN106063347B CN201480033262.6A CN201480033262A CN106063347B CN 106063347 B CN106063347 B CN 106063347B CN 201480033262 A CN201480033262 A CN 201480033262A CN 106063347 B CN106063347 B CN 106063347B
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- unlicensed spectrum
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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Abstract
The present invention provides a kind of methods and apparatus using unlicensed spectrum.Access network equipment receives the scheduling request information that user equipment (UE) is sent；Whether access network equipment detects unlicensed spectrum idle；Access network equipment starts to occupy unlicensed spectrum when detecting the unlicensed spectrum free time；Access network equipment sends uplink scheduling signaling to UE；The access network equipment stops occupying the unlicensed spectrum when after starting to send the uplink scheduling signaling by the predetermined time；The access network equipment receives the data packet that the UE is sent in the unlicensed spectrum.The embodiment of the present invention effectively reduces the probability that UE is interfered in uplink by the preparatory occupancy to unlicensed spectrum, solves the problems such as UE data transmission fault, interruption or delay.
Description
Technical field
The present invention relates to the communications field more particularly to a kind of methods and apparatus using unlicensed spectrum.
Background technique
Wireless frequency spectrum can be divided into authorization frequency spectrum and unlicensed spectrum.Authorizing the corresponding frequency range of frequency spectrum is led to by regulatory agency
It crosses auction and authorizes the frequency range that specific cellular carrier uses；The corresponding frequency range of unlicensed spectrum is then any wireless operator commercial city
The frequency range that can freely use.In recent years, surging due to radio service data flow, and authorize the resource of frequency spectrum limited,
Sight is turned to resourceful unlicensed spectrum by more and more cellular carriers, it is desirable to by using unlicensed spectrum to nothing
Line service data traffic is shunted.
User equipment (UE, user equipment) is easy during using unlicensed spectrum uplink by it
The interference of its wireless device leads to data transmission fault, interruption or delay occur.
Summary of the invention
In view of this, being existed the embodiment of the invention provides a kind of method and apparatus using unlicensed spectrum with improving UE
The success rate of upstream data is transmitted in unlicensed spectrum.
In a first aspect, providing a kind of method using unlicensed spectrum, comprising: access network equipment receives user equipment (UE)
The scheduling request information of transmission, the scheduling request information are used to request the channel resource of uplink；The access network equipment
Whether idle detect unlicensed spectrum；The access network equipment starts to occupy institute when detecting the unlicensed spectrum free time
State unlicensed spectrum；The access network equipment sends uplink scheduling signaling to the UE, and the uplink scheduling signaling is used to indicate
The channel resource of the channel resource of the uplink, the uplink is located in the unlicensed spectrum；The access net
Equipment stops occupying the unlicensed spectrum when after starting to send the uplink scheduling signaling by the predetermined time；It is described to connect
Log equipment receives the data packet that the UE is sent in the unlicensed spectrum, and the data packet is that the UE is starting to receive
By being sent when the predetermined time after the uplink scheduling signaling.
Technical solution provided in an embodiment of the present invention, access network equipment receive the scheduling request information of UE transmission, are examining
When measuring unlicensed spectrum can be used, after having sent uplink scheduling signaling to the UE, when the UE does not carry out uplink also, account for
With the unlicensed spectrum, avoid other access network equipments or other types of wireless device makes before the UE uplink
Solves UE number to effectively reduce the probability that UE is interfered in uplink with unlicensed spectrum transmission data
The problems such as according to error of transmission, interruption or delay.
With reference to first aspect, in the first implementation of first aspect, the occupancy unlicensed spectrum includes:
The access network equipment sends data in the unlicensed spectrum.
With reference to first aspect and its above-mentioned implementation, in second of implementation of first aspect, the data are
Any one in padding sequence and pseudo-random sequence.
The papr of signal can be reduced with pseudo-random sequence, namely improves access network equipment transmitter
Power amplification efficiency.
With reference to first aspect and its above-mentioned implementation, in the third implementation of first aspect, the access net
It includes: that the access network equipment is starting to occupy the same of the unlicensed spectrum that equipment, which sends uplink scheduling signaling to the UE,
When, the uplink scheduling signaling is sent to the UE.
With reference to first aspect and its above-mentioned implementation, in the 4th kind of implementation of first aspect, the access net
It includes: the access network equipment between occupying the unlicensed spectrum by the time that equipment, which sends uplink scheduling signaling to the UE,
Every when, send the uplink scheduling signaling to the UE.
With reference to first aspect and its above-mentioned implementation, in the 5th kind of implementation of first aspect, in frequency division duplex
In long evolving system, the predetermined time is 4 transmission time interval TTI.
With reference to first aspect and its above-mentioned implementation, in the 6th kind of implementation of first aspect, the scheduling is asked
Information and the uplink scheduling signaling is asked to transmit on authorization frequency spectrum.
The transmission on authorization frequency spectrum of the scheduling request information and the uplink scheduling signaling ensure that control signaling passes
Defeated reliability.
With reference to first aspect and its above-mentioned implementation, in the 7th kind of implementation of first aspect, the uplink tune
Spending signaling is the first uplink scheduling signaling, and the data packet is the first data packet, and the predetermined time is the first predetermined time, institute
The amount that the first data packet includes the data for needing to transmit in the UE uplink buffer area is stated, the method also includes: work as institute
When stating access network equipment completion reception first data packet, the access network equipment starts to occupy the unlicensed spectrum；Institute
Access network equipment is stated according to the amount of data for needing to transmit, sends the second uplink scheduling signaling to the UE, described second
Uplink scheduling signaling is used to indicate the channel resource for transmitting the data for needing to transmit in the UE uplink buffer area, the biography
The channel resource for the data for needing to transmit in the defeated UE uplink buffer area is located in the unlicensed spectrum；The access
Net equipment stops occupying the unauthorized frequency when after starting to send the second uplink scheduling signaling by the second predetermined time
Spectrum；The access network equipment receives the second data packet that the UE is sent in the unlicensed spectrum, second data packet
For UE transmission when after starting to receive the second uplink scheduling signaling by second predetermined time.
Technical solution provided in an embodiment of the present invention illustrates a kind of uplink dispatching algorithm, and access network equipment connects in UE
Receive uplink scheduling signaling, the UE is not yet in uplink in unlicensed spectrum, the access network equipment actively pre- preemption
With the unlicensed spectrum, avoids other access network equipments or other types of wireless device is unauthorized since this is not detected
Frequency spectrum is occupied and the unlicensed spectrum is used to send data, passes to effectively reduce UE during algorithm executes in uplink
The probability being interfered when defeated increases the problems such as avoiding UE data transmission fault, interruption or postpone in unlicensed spectrum
The accuracy and efficiency of transmitting data.
With reference to first aspect and its above-mentioned implementation, in the 8th kind of implementation of first aspect, on described second
Row dispatch transmits on authorization frequency spectrum.
With reference to first aspect and its above-mentioned implementation, in the 9th kind of implementation of first aspect, the pseudorandom
Sequence is M sequence or Golden sequence.
With reference to first aspect and its above-mentioned implementation is using frequency division in the tenth kind of implementation of first aspect
In the long evolving system of duplex, second predetermined time is 4 transmission time interval 4TTI, in the access network equipment
Complete after receiving first data packet, it is described start to occupy the unlicensed spectrum it is described unauthorized to stopping occupancy
To transmission the second uplink scheduling signaling when the time of frequency spectrum is access network equipment completion reception first data packet
When elapsed time t2 add the second predetermined time 4TTI, i.e. 4TTI+t2.
Second aspect provides a kind of access network equipment, comprising: receiving unit, for receiving user equipment (UE) transmission
Scheduling request information, the scheduling request information are used to request the channel resource of uplink；The processing unit, for detecting
Whether unlicensed spectrum is idle；The processing unit is also used to when detecting the unlicensed spectrum free time, starts to occupy institute
State unlicensed spectrum；Transmission unit, for sending uplink scheduling signaling in the case where detecting that the unlicensed spectrum is idle
To the UE, the uplink scheduling signaling is used to indicate the channel resource of the uplink, the channel money of the uplink
Source is located in the unlicensed spectrum；The processing unit is also used to after the transmission unit starts to send the uplink scheduling
When signaling passes through the predetermined time, stop occupying the unlicensed spectrum；The receiving unit is also used to receive the UE described
The data packet sent in unlicensed spectrum, the data packet is for the UE by institute after starting to receive the uplink scheduling signaling
Transmission when stating the predetermined time.
Access network equipment provided in an embodiment of the present invention, by receiving uplink scheduling signaling in UE, the UE not yet exists
Unlicensed spectrum send uplink business data when, actively occupy the unlicensed spectrum in advance, avoid other access network equipments or
The other types of wireless device of person due to be not detected the unlicensed spectrum it is occupied and use the unlicensed spectrum send data,
To effectively reduce the probability that UE is interfered in uplink, UE data transmission fault, interruption or delay are avoided
The problems such as, increase the accuracy and efficiency in unlicensed spectrum transmitting data.
In conjunction with second aspect, in the first implementation of second aspect, the processing unit occupies described unauthorized
Frequency spectrum includes: that the processing unit triggering transmission unit sends data in the unlicensed spectrum.
In conjunction with second aspect and its above-mentioned implementation, in second of implementation of second aspect, the data are
Any one in padding sequence and pseudo-random sequence.
The papr of signal can be reduced with pseudo-random sequence, namely improves access network equipment transmitter
Power amplification efficiency.
In conjunction with second aspect and its above-mentioned implementation, in the third implementation of second aspect, the transmission is single
It includes: the processing unit while occupying the unlicensed spectrum that member, which sends uplink scheduling signaling to the UE, the hair
Unit is sent to send the uplink scheduling signaling to the UE.
In conjunction with second aspect and its above-mentioned implementation, in the 4th kind of implementation of second aspect, the transmission is single
It includes: that the processing unit is occupying the unlicensed spectrum by time interval that member, which sends uplink scheduling signaling to the UE,
When, the transmission unit sends the uplink scheduling signaling to the UE.
In conjunction with second aspect and its above-mentioned implementation, in the 5th kind of implementation of second aspect, frequency division is being used
In the long evolving system of duplex, the predetermined time is 4 transmission time interval TTI.
In conjunction with second aspect and its above-mentioned implementation, in the 6th kind of implementation of second aspect, the reception is single
The uplink scheduling signaling that first received scheduling request information and the transmission unit are sent is uploaded in authorization frequency spectrum
It is defeated.
In conjunction with second aspect and its above-mentioned implementation, in the 7th kind of implementation of second aspect, the uplink tune
Spending signaling is the first uplink scheduling signaling, and the data packet is the first data packet, and the predetermined time is the first predetermined time, institute
State the amount that received first data packet of receiving unit includes the data for needing to transmit in the UE uplink buffer area；Institute
Processing unit is stated to be also used to start to occupy the unauthorized frequency when the receiving unit is completed to receive first data packet
Spectrum；The amount for the data that the transmission unit is also used to be transmitted according to the needs, the second uplink scheduling signaling of transmission to the UE,
The second uplink scheduling signaling is used to indicate the channel resource of the data in transmission uplink buffer area needed to transmit, described
The channel resource for transmitting the data for needing to transmit in the UE uplink buffer area is located in the unlicensed spectrum；
The processing unit is also used to after the beginning transmission unit sends the second uplink scheduling signaling by the
When two predetermined times, stop occupying the unlicensed spectrum；The receiving unit is also used to receive the UE described unauthorized
The second data packet sent on frequency spectrum, second data packet are that the UE is starting to receive the second uplink scheduling signaling warp
It is sent when spending second predetermined time.
Above-mentioned technical proposal provided in an embodiment of the present invention illustrates a kind of uplink dispatching algorithm, and access network equipment exists
UE receives uplink scheduling signaling, and for the UE not yet in uplink in unlicensed spectrum, the access network equipment is actively pre-
The unlicensed spectrum is first occupied, other access network equipments is avoided or other types of wireless device is non-since this is not detected
It authorizes frequency spectrum occupied and the unlicensed spectrum is used to send data, to effectively reduce UE upper during algorithm executes
The probability being interfered when row transmission increases the problems such as avoiding UE data transmission fault, interruption or postpone unauthorized
The accuracy and efficiency of frequency spectrum transmitting data.
In conjunction with second aspect and its above-mentioned implementation, in the 8th kind of implementation of second aspect, the transmission is single
The second uplink scheduling signaling that member is sent is transmitted on authorization frequency spectrum.
In conjunction with second aspect and its above-mentioned implementation, in the 9th kind of implementation of second aspect, the pseudorandom
Sequence is M sequence or Golden sequence.
In conjunction with second aspect and its above-mentioned implementation, in the tenth kind of implementation of second aspect, frequency division is being used
In the long evolving system of duplex, second predetermined time is 4 transmission time interval 4TTI, complete in the receiving unit
After receiving first data packet, the processing unit starts to occupy the unlicensed spectrum, and to stopping, occupancy is described non-to be awarded
To transmission the second uplink scheduling letter when the time for weighing frequency spectrum is access network equipment completion reception first data packet
Elapsed time t2 adds the second predetermined time 4TTI, i.e. 4TTI+t2 when enabling.
Technical solution provided in an embodiment of the present invention, access network equipment receive the scheduling request information of UE transmission, are examining
When measuring unlicensed spectrum can be used, after having sent uplink scheduling signaling to the UE, when the UE does not carry out uplink also, account for
With the unlicensed spectrum, avoid other access network equipments or other types of wireless device makes before the UE uplink
Solves UE number to effectively reduce the probability that UE is interfered in uplink with unlicensed spectrum transmission data
The problems such as according to error of transmission, interruption or delay.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of flow chart of method using unlicensed spectrum of the embodiment of the present invention；
Fig. 2 is flow chart of the another kind of the embodiment of the present invention using the method for unlicensed spectrum；
Fig. 3 a is in a kind of FDD-LTE system of the embodiment of the present invention using the interaction flow of the method for unlicensed spectrum
Figure；
Fig. 3 b is in a kind of FDD-LTE system of the embodiment of the present invention using the time domain flow chart of the method for unlicensed spectrum；
Fig. 4 is a kind of structural schematic diagram of equipment using unlicensed spectrum of the embodiment of the present invention；
Fig. 5 is the structural schematic diagram that the another kind of the embodiment of the present invention uses the equipment of unlicensed spectrum.
Specific embodiment
To keep technical solution of the present invention clearer, following will be combined with the drawings in the embodiments of the present invention, to the present invention
Technical solution progress in embodiment describes clear and completely, it is clear that following embodiment is a part of the invention and not all
Embodiment.
Technical solution provided in an embodiment of the present invention can be applied to various cordless communication networks, such as CDMA
(Code Division Multiple Access, CDMA), frequency division multiple access (Frequency Division Multiple
Access, FDMA), orthogonal frequency division multiple access (Orthogonal frequency-division multiple access,
OFDMA), single-carrier frequency division multiple access (single carrier FDMA, SC-FDMA) and other networks etc..Term " network " and
" system " can be replaced mutually.Such as wireless universal land access (universal terrestrial may be implemented in cdma network
Radio access, UTRA), the wireless technologys such as CDMA2000.UTRA may include the change of CDMA (WCDMA) and other CDMA
Shape.CDMA2000 can cover Interim Standard (Interim Standard, IS) 2000 (IS-2000), IS-95 and IS-856 mark
It is quasi-.Such as evolved universal Radio Terrestrial access (evolved UTRA, E-UTRA), super mobile width may be implemented in OFDMA network
The band wireless technologys such as (ultra mobile broadband, UMB), Flash OFDMA.UTRA and E-UTRA be UMTS and
UMTS evolution version.3GPP long term evolution (long term evolution, LTE) and LTE it is advanced (LTE Advanced,
LTE-A) it is new version using the UMTS of E-UTRA.UTRA, E-UTRA, UMTS, LTE, LTE-A and GSM are in 3GPP standard group
Description on the books in the document knitted.CDMA2000 and UMB description on the books in the document of 3GPP2 normal structure.The present invention is real
The technology for applying example description also can be applied in wireless network and wireless technology described above.
In existing uplink data scheduling scheme, uplink scheduling signaling is received in UE and starts uplink transmission data to practical
Between can have certain transmission intercal, if access network equipment or other types of wireless device in other communication systems,
Such as wireless access points (AP, the access in intercom, Wireless Fidelity (Wi-Fi, wireless-fidelity) technology
Point the unlicensed spectrum free time) is detected in this section of transmission intercal, the unlicensed spectrum will be used to transmit data, UE
It will receive severe jamming in the unlicensed spectrum uplink, lead to transmitting uplink data mistake, interruption or delay etc. occur
Problem.
In a kind of communication system provided in an embodiment of the present invention, including access network equipment and user equipment (UE), the access
Net equipment and the UE can be used to implement following methods provided in an embodiment of the present invention.Wherein the access network equipment can mention
It for the communication overlay of specific physical region, is used for by the UE access into network, and is communicated.The access network equipment can
Think the equipment such as base station, can be macro base station, or small base station.For example, the access network equipment can in LTE system
Think eNodeB, or family type eNodeB (HeNB, home eNodeB), AP, micro-base station (micro base
Station), the small base station such as femto base station (pico base station).In the umts system, the access network equipment can be with
Including node B (Node B) and radio network controller (RNC, Radio Network Controller).In gsm system,
The access network equipment may include base station controller (BSC, base station controller) and base transceiver station
(BTS, base transceiver station) etc..The UE can be distributed in entire wireless network, and each UE can be with
It is static or mobile.UE is properly termed as terminal (terminal), mobile station (mobile station), subscriber unit
(subscriber unit), platform (station) etc..UE can be cellular phone (cellular phone), and individual digital helps
It manages (personal digital assistant, PDA), radio modem (modem), wireless telecom equipment, it is hand-held to set
Standby (handheld), laptop computer (laptop computer), wireless phone (cordless phone), Wireless Local Loop
Road (wireless local loop, WLL) platform etc..
Wherein, which can be used authorization frequency spectrum and UE establishes the synchronized relation before transmission, also can be used
It authorizes frequency spectrum to send or receive control signaling, for example passes through physical uplink control channel (PUCCH, physical
Uplink control channel) authorizing frequency spectrum to indicate (SRI, scheduling in the scheduling request for receiving UE transmission
Request indication), pass through physical downlink control channel (PDCCH, physical downlink control
Channel Downlink Control Information (DCI, downlink control information)), which is sent, in authorization frequency spectrum arrives UE etc..
The access network equipment can dispatch UE and can also dispatch in authorization frequency spectrum transmitting data when authorizing frequency spectrum resource deficiency
UE is in unlicensed spectrum transmitting data.The embodiment of the present invention is that access network equipment scheduling UE transmits number in unlicensed spectrum
According to the case where.
Fig. 1 is a kind of flow diagram of method using unlicensed spectrum of the embodiment of the present invention, as shown in Figure 1, should
Method includes:
S101, access network equipment receive the scheduling request information that UE is sent, and the scheduling request information is for requesting uplink
The channel resource of transmission.
If the UE has new data to need to transmit, the UE can send scheduling request letter to the access network equipment
Breath.Optionally, UE can send scheduling request information to the access network equipment by PUCCH.The scheduling request information can be with
It is SRI, the access network equipment UE is notified there are data to need to transmit, for uplink request distribution channel resource.
Whether S102, access network equipment detection unlicensed spectrum are idle.
When the access network equipment receives the scheduling request information that the UE is sent, whether detection unlicensed spectrum is empty
It is not busy.For example, the access network equipment can carry out carrier sense (CS, carrier sense) to unlicensed spectrum, to detect
Whether idle state unlicensed spectrum.
S103, the access network equipment start to occupy the unauthorized frequency when detecting the unlicensed spectrum free time
Spectrum.
The access network equipment occupies the idle unlicensed spectrum, can make other access network equipments without
Method use the unlicensed spectrum, including other wireless access technologys (RAT, radio access technology) system or
Access network equipment in other business systems is not all available the unlicensed spectrum.
Access network equipment can send data in the unlicensed spectrum, be accounted for realizing to the unlicensed spectrum
With that is, when the access network equipment detects the unlicensed spectrum free time, the access network equipment starts non-to award described
Data are sent on power frequency spectrum.
Optionally, which can be filling (padding) sequence.Padding sequence can be full 0 either complete 1 sequence
Column, not representing any meaning but can make other access network equipments or other types of wireless telecom equipment think that the Duan Fei is awarded
It is busy for weighing frequency spectrum.Alternatively, the data are also possible to pseudo-random sequence, the peak of signal can be reduced using pseudo-random sequence
It is worth average power ratio (PAPR, peak to average power Ratio), namely improves the function of access network equipment transmitter
Put efficiency.For example, the pseudo-random sequence can be M sequence or Golden sequence.
In embodiments of the present invention, the access network equipment is when detecting the unlicensed spectrum free time, the access
Net equipment starts to occupy the unlicensed spectrum, can be the access network equipment and is detecting that the unlicensed spectrum is idle
When, the access network equipment, which starts simultaneously at, occupies the unlicensed spectrum.In a practical situation, it detects the free time and starts to occupy
Between may also having time interval, such as access network equipment calculated, transmits the times such as instruction, but this time interval is very
It is of short duration, such as 10 μ s, 20 μ s etc., since the time interval is very of short duration, so that other radio reception devices have little time occupancy and are somebody's turn to do
Unlicensed spectrum, therefore, this existing time interval can achieve the degree ignored.That is, in the embodiment of the present invention
In, for the access network equipment when detecting the unlicensed spectrum free time, the access network equipment starts to occupy described non-award
Weigh frequency spectrum situation also include the access network equipment when detecting the unlicensed spectrum free time, by very short time,
It is close to start simultaneously at the situation for occupying the unlicensed spectrum.Herein, as a kind of supplement rather than a kind of limitation is to of the invention real
Example is applied to be further described.
S104, the access network equipment send uplink scheduling signaling to the UE, and the uplink scheduling signaling is used to indicate
The channel resource of the channel resource of the uplink, the uplink is located in the unlicensed spectrum.
The uplink scheduling signaling may include specific frequency point information or modulation coding scheme of UE uplink etc..Institute
The content for stating uplink scheduling signaling can be uplink authorization (UL Grant, uplink grant), the lattice of the uplink scheduling signaling
Formula is DCI format 0 (DCI format 0).
The uplink scheduling signaling can be sent on authorization frequency spectrum, when sending on authorizing frequency spectrum, can increase institute
State the reliability of uplink scheduling signalling.Alternatively, the uplink scheduling signaling can also be sent in unlicensed spectrum.
The access network equipment when starting to occupy the unlicensed spectrum, can send the uplink scheduling signaling,
The i.e. described access network equipment sends the uplink scheduling signaling to UE while starting to occupy the unlicensed spectrum.
The access network equipment can also be after occupying the unlicensed spectrum, by a period and then hair
Send the uplink scheduling signaling to UE.For example, possibly can not accounted for when the access network equipment needs to dispatch there are a large amount of UE
Data are transmitted with the UE is just dispatched when the frequency spectrum, but first dispatch other UE transmission data, in the ability after the period
The UE priority for dispatching the UE transmission data or request scheduling is lower relative to the priority of other UE, then can be preferential
Other UE are dispatched, then again after the period, then the UE is dispatched, then can normally guarantee the business of the UE
In the case of, the efficiency of system is improved on the whole.When the period is very of short duration, i.e., close to 0, it is equal to
The access network equipment sends the uplink scheduling signaling to UE while starting to occupy the unlicensed spectrum.
S105, the access network equipment stop accounting for when after starting to send the uplink scheduling signaling by the predetermined time
With the unlicensed spectrum；
Wherein, the predetermined time can for UE start receive uplink scheduling signaling after to actual uplink transmit when pass through when
Between, can have different regulations in different communication protocol, or can by between the access network equipment and the UE into
Row is negotiated to determine.For example, in the LTE system using frequency division duplex (FDD, frequency division duplexing)
It can be 4 transmission time intervals (TTI, transmission time interval), wherein 1TTI can be 1ms.It is based on
This sends under the first uplink scheduling signaling to the scene of UE while access network equipment starts to occupy the unlicensed spectrum,
Access network equipment starts to occupy unlicensed spectrum to the occupancy unlicensed spectrum elapsed time is stopped to be 4TTI；Alternatively, working as
In the case where access network equipment starts to occupy the scene that the unlicensed spectrum sends uplink scheduling signaling by a period, if institute
State a length of t1 when the period, then the access network equipment start occupy unlicensed spectrum to stop occupancy the unlicensed spectrum passed through
The time crossed is 4TTI+t1.It should be noted that here it will be understood that uplink scheduling signaling sends and receives that there is no time delays
Or existing time delay can be ignored, and just can guarantee that access network equipment starts to send uplink scheduling signaling by predetermined in this way
The time point of time and UE start to receive uplink scheduling signaling consistent by the time point of the predetermined time.
S106, the access network equipment receive the data packet that the UE is sent in the unlicensed spectrum, the data
Packet is UE transmission when after starting to receive the uplink scheduling signaling by the predetermined time.
When the access network equipment stops occupying the unlicensed spectrum, start to receive the data packet that the UE is sent.
It should be pointed out that radio-frequency channel is converted to uplink receiving state from uplink emission state in access network equipment under actual conditions
Certain reiving/transmitting state conversion time is needed, therefore, when practical operation, the time for occupying unlicensed spectrum may be slightly shorter than
The time is stated, for example stops the time of the time point preset in advance occupied, which can be according to the access network equipment
It depending on radio-frequency devices performance, such as can be 10 μ s, 20 μ s or 30 μ s etc..Since the reiving/transmitting state conversion time is very short
Temporarily, it can be ignored.Therefore, in the description of the embodiment of the present invention, the reiving/transmitting state conversion time can be not counted in institute
It states access network equipment to occupy in the time of the unlicensed spectrum, alternatively, if individually carrying out the reiving/transmitting state conversion time
Timing, then the sum of the transmitting-receiving conversion time and the holding time of the unlicensed spectrum are equal to the UE and start to receive on described
Row dispatch to send data packet between duration.
Technical solution provided in an embodiment of the present invention, access network equipment receive the scheduling request information of UE transmission, are examining
When measuring unlicensed spectrum can be used, after having sent uplink scheduling signaling to the UE, when the UE does not carry out uplink also, account for
With the unlicensed spectrum, avoid other access network equipments or other types of wireless device makes before the UE uplink
UE number is avoided to effectively reduce the probability that UE is interfered in uplink with unlicensed spectrum transmission data
The problems such as according to error of transmission, interruption or delay, increase the accuracy and efficiency in unlicensed spectrum transmitting data.
Fig. 2 is the flow diagram of another method using unlicensed spectrum provided in an embodiment of the present invention.Such as Fig. 2 institute
Show, this method includes the step in Fig. 1, and S101-S106 can be with reference to step S101-S106 in embodiment of the method shown in Fig. 1
Description.
In the present embodiment, the uplink scheduling signaling in S104-S106 is the first uplink scheduling signaling, the data
Packet is the first data packet, and the predetermined time was the first predetermined time, and comprising on the UE in the data packet in the S106
The amount (amount of data) for the data for needing to transmit in row transmission buffer area.For example, in LTE system, the amount of the data
It can be carried in buffer status report (BSR, buffer status report).This method further include:
S207, when the access network equipment complete receive first data packet when, the access network equipment starts to occupy
The unlicensed spectrum.
Access network equipment can send data in the unlicensed spectrum, to realize accounting for again to the unlicensed spectrum
With.Optionally, which can be padding sequence.Padding sequence can be the either full l sequence of full 0, does not represent and appoints
What meaning can but make other access network equipments or other types of wireless telecom equipment think this section of unlicensed spectrum right and wrong
Idle.Alternatively, the data are also possible to pseudo-random sequence, the PAPR of signal, Ye Jiti can be reduced using pseudo-random sequence
The high power amplification efficiency of access network equipment transmitter.For example, the pseudo-random sequence can be M sequence or Golden sequence.
In embodiments of the present invention, when the access network equipment is completed to receive first data packet, the access net is set
It is standby to start to occupy the unlicensed spectrum, it can be the access network equipment and complete to start while receiving first data packet
The unlicensed spectrum is occupied again.In a practical situation, it has received the first data packet and has started to occupy again described unauthorized
Between frequency spectrum may also having time interval but this time interval it is very of short duration, such as 10 μ s, 20 μ s etc., due to the time interval
Very of short duration, so that other radio reception devices have little time to occupy the unlicensed spectrum, therefore, this existing time interval can
To reach the degree ignored.
S208, the access network equipment according to the amount of data for needing to transmit, send the second uplink scheduling signaling to
The UE, the second uplink scheduling signaling, which is used to indicate, transmits the data for needing to transmit in the UE uplink buffer area
Channel resource, the channel resource for transmitting the data for needing to transmit in the UE uplink buffer area are located at described unauthorized
On frequency spectrum.
Access network equipment parses first data packet, described in acquisition after receiving first data packet
The amount for the data for needing to transmit in UE uplink buffer area.According to the data for needing to transmit in the UE uplink buffer area
Amount, access network equipment can determine distributes to the UE for uplink channel resource size.
The second uplink scheduling signaling may include specific frequency point information or modulation coding scheme of UE uplink etc.
Deng.The format of the second uplink scheduling signaling can be DCI format 0.
Wherein, the time point that access network equipment starts the second uplink scheduling signaling of transmission, which can be, starts to occupy unauthorized frequency
It composes after determining the channel resource elapsed time t3 for distributing to UE uplink；It is also possible to start to occupy unlicensed spectrum
By t3, using one section of waiting time t4, wherein t4 >=0.Namely when access network equipment completion reception first data packet
To elapsed time t2=t3+t4 when starting to send the second uplink scheduling signaling.
S209, the access network equipment are after starting to send the second uplink scheduling signaling by the second predetermined time
When, stop occupying the unlicensed spectrum.
Wherein, the second predetermined time can start to receive when the second uplink scheduling signaling is transmitted to actual uplink for UE and pass through
Time, can have different regulations in different communication protocol, or can by the access network equipment and the UE it
Between hold consultation determination.For example, can be 4 TTI in FDD-LTE system.In conjunction with above-mentioned steps, access network equipment starts
Again occupy unlicensed spectrum to again stop occupancy the unlicensed spectrum elapsed time can be t2+4TTI.
S210, the access network equipment receive the second data packet that the UE is sent in the unlicensed spectrum, described
Second data packet is UE transmission when after starting to receive the second uplink scheduling signaling by second predetermined time.
In the present embodiment, the access network equipment can start to receive institute when stopping occupying the unlicensed spectrum
State the second data packet of UE transmission.It should be pointed out that radio-frequency channel is from uplink emitting shape in access network equipment under actual conditions
State is converted to uplink receiving state and needs certain reiving/transmitting state conversion time, therefore, when practical operation, occupies unlicensed spectrum
Time may be slightly shorter than the above-mentioned time, for example stop the preset in advance time at time point occupied, the preset time can be with
Depending on the radio-frequency devices performance of access network equipment, such as 10 μ s, 20 μ s or 30 μ s etc..Since the reiving/transmitting state is converted
Time is very of short duration, can be ignored.Therefore, in the description of the embodiment of the present invention, the reiving/transmitting state conversion time can
It is occupied in the time of the unlicensed spectrum with being not counted in the access network equipment, alternatively, if individually turning to the reiving/transmitting state
Time progress timing is changed, then transmitting-receiving the sum of the conversion time and the holding time of the unlicensed spectrum are equal to the UE and start
The second uplink scheduling signaling is received to the duration sent between the second data packet.
Technical solution provided in an embodiment of the present invention illustrates a kind of uplink dispatching algorithm, and access network equipment connects in UE
Receive uplink scheduling signaling, the UE is not yet in uplink in unlicensed spectrum, the access network equipment actively pre- preemption
With the unlicensed spectrum, avoids other access network equipments or other types of wireless device is unauthorized since this is not detected
Frequency spectrum is occupied and the unlicensed spectrum is used to send data, passes to effectively reduce UE during algorithm executes in uplink
The probability being interfered when defeated increases the problems such as avoiding UE data transmission fault, interruption or postpone in unlicensed spectrum
The accuracy and efficiency of transmitting data.
Fig. 3 a is in a kind of LTE system using frequency division duplex of the embodiment of the present invention using the method for unlicensed spectrum
Flow diagram.As shown in Figure 3a, this method comprises:
S301, UE send SRI to eNodeB on uplink authorization frequency spectrum.
UE keeps uplink sync status after synchronous with eNodeB foundation, obtains the SRI subframe position of eNodeB configuration
It sets and if sending cycle can send SRI, the eNodeB on authorization frequency spectrum by PUCCH have new data to need to transmit
The SRI that the UE is sent can be obtained on uplink authorization frequency spectrum by the PUCCH.
Whether S302, eNodeB detect uplink unlicensed spectrum idle.
Optionally, detection method, which can be, carries out carrier sense to unlicensed spectrum.
If detecting that the authorized frequency spectrum is occupied, S303 is executed；If detecting the unlicensed spectrum free time, then hold
Row S305.
S303, eNodeB judge whether since the accumulative waiting time receiving the SRI that UE is sent be more than time T '.
If cumulative latency is more than time T ', then S304 is executed；If cumulative latency is less than time T ', then
S302 is executed after waiting time T.
Wherein time T ' and T can be preset, and T ' is greater than T.
S304, eNodeB dispatch UE and carry out uplink on authorization frequency spectrum.
Since T ' may be one long time, according to the dispatching algorithm of optimization, if the overlong time that UE is waited,
In eNodeB frequency spectrum transmitting data can be being authorized with the priority scheduling UE.
After this is transmitted, stop the execution of this process.
S305, eNodeB immediately begin to occupy the unlicensed spectrum, while DCI to UE is sent on downstream grants frequency spectrum,
Holding time is 4TTI.
The eNodeB occupies the unlicensed spectrum and passes through 4TTI, executes step S306；
S306, UE send the first data packet to unlicensed spectrum, and eNodeB receives what UE was sent in the unlicensed spectrum
First data packet, wherein including BSR in first data packet；
When S307, eNodeB complete to receive the first data packet, starts again at and occupy the unlicensed spectrum；
S308, eNodeB parse first data packet, obtain needing to pass in the UE uplink buffer area for including in BSR
The data volume of defeated data.
S309, eNodeB judge the number for the data that the needs in the uplink buffer area of the UE of BSR instruction transmit
Whether it is greater than 0 according to amount；
If the data volume for needing to transmit in the UE uplink buffer area of BSR instruction is greater than 0, then S310 is executed；
If the data volume for needing to transmit in the UE uplink buffer area of BSR instruction is equal to 0, then S313 is executed；
S310, eNodeB determine that UE needs to transmit according to the information for the data volume for needing to transmit in UE uplink buffer area
Number of data packets N；
S311, the number of data packets N according to determined by S310, eNodeB successively continuously transmit N on downstream grants frequency spectrum
A DCI to UE；
The mode that the eNodeB sends N number of DCI to UE can be found in Fig. 3 b.
First DCI is sent from S311 and begins to pass through time 4TTI, executes S312；
S312, eNodeB stop occupying the unlicensed spectrum, while receiving UE and successively continuously transmitting in unlicensed spectrum
The second data packet to N+1 data packet.
The mode for the second data packet to N+1 data packet that UE is successively continuously transmitted in unlicensed spectrum can be found in figure
3b。
S313, eNodeB stop terminating this process to the occupancy of the unlicensed spectrum immediately.
In order to keep the method for Fig. 3 a clearer, Fig. 3 b is to be awarded in a kind of FDD-LTE system of the embodiment of the present invention using non-
The time domain flow chart of the method for frequency spectrum is weighed, detects that the operation branch of unlicensed spectrum free time is corresponding for eNodeB in Fig. 3 a
Time domain flow chart.Fig. 3 b shows using the method for unlicensed spectrum the action process of eNodeB and UE, table on time dimension
The sending method that eNodeB occupies eNodeB and UE in S311 and S312 in the period and Fig. 3 a of unlicensed spectrum is illustrated.It can
To be better understood referring to Fig. 3 b to Fig. 3 a, but Fig. 3 b cannot be considered as the limitation to Fig. 3 a.
The content for now briefly explaining Fig. 3 b, detects in the available branch of unlicensed spectrum referring in particular to eNodeB in Fig. 3 a
The execution method of eNodeB and UE.As shown in Figure 3b, UE sends the channel money of SRI request uplink on uplink authorization frequency spectrum
Source, eNodeB have detected the unlicensed spectrum free time, and eNodeB occupies this while sending DCI on downstream grants frequency spectrum and non-awards
Weigh frequency spectrum, holding time 4TTI；UE sends the first data packet in the unlicensed spectrum, wherein including BSR；ENodeB is received
First data packet, and start to occupy the unlicensed spectrum again when completing and receiving first data packet, holding time is
The definition of 4TTI+t2, t2 may refer to relevant statement in S207 in Fig. 2.ENodeB parses first data packet and obtains BSR
Indicate the data volume of UE request uplink, according to needing the data volume of uplink true in UE uplink buffer area in BSR
Determine UE need again the number of data packets N of uplink, successively continuously transmit N number of DCI on downstream grants frequency spectrum frequency point again and arrive
UE；ENodeB receives the second data packet for sending in the unlicensed spectrum of UE to N+1 data packet.
The embodiment of the method that there is provided of above-mentioned Fig. 1 to Fig. 3 that embodiment provides to realize the present invention, the embodiment of the present invention is into one
Step provides a kind of access network equipment, as shown in figure 4, a kind of structural schematic diagram of access network equipment for the embodiment of the present invention.
As shown in figure 4, the access network equipment 400 includes receiving unit 410, processing unit 420 and transmission unit 430.
Receiving unit 410, for receiving the scheduling request information of user equipment (UE) transmission, the scheduling request information is used for
Request the channel resource of uplink.
UE is after keeping uplink sync status and obtaining the SRI subframe position and sending cycle of eNodeB configuration, if having
New data needs uplink that can then send scheduling request information.Optionally, UE can be in PUCCH to the access network equipment
Send scheduling request information.The scheduling request information can be SRI, and it is upper that notice access network equipment 400, which has data to need to transmit,
Row transmission request distribution channel resource.
Processing unit 420, it is whether idle for detecting unlicensed spectrum.
For example, processing unit 420 can carry out carrier sense to unlicensed spectrum, whether to detect the unlicensed spectrum
It is idle.
Processing unit 420 is also used to when detecting the unlicensed spectrum free time, starts to occupy the unlicensed spectrum.
420 pairs of the processing unit idle unlicensed spectrums occupy, and can make other access network equipments can not
This is not all available using the access network equipment in the unlicensed spectrum, including other RAT systems or other business systems
Unlicensed spectrum.
Processing unit 420, which can be, sends data in the unlicensed spectrum by triggering transmission unit 430, with realization pair
The unlicensed spectrum is occupied, i.e., when the access network equipment detects the unlicensed spectrum free time, transmission unit
430 start to send data in the unlicensed spectrum.
Optionally, which can be padding sequence.Padding sequence can be full 0 either complete 1 sequence, not generation
Any meaning of table can but make other access network equipments or other types of wireless telecom equipment think this section of unlicensed spectrum
It is busy.Alternatively, the data are also possible to pseudo-random sequence.The PAPR of signal can be reduced using pseudo-random sequence,
Improve the power amplification efficiency of access network equipment transmitter.For example, the pseudo-random sequence can be M sequence or Golden sequence
Column.
In embodiments of the present invention, the processing unit 420 starts to occupy when detecting the unlicensed spectrum free time
The unlicensed spectrum can be the processing unit 420 and start to occupy while detecting the unlicensed spectrum free time
The unlicensed spectrum.In a practical situation, between detecting the free time and starting to occupy may also having time interval, but at this section
Between be spaced very of short duration, such as 10 μ s, 20 μ s etc., since the time interval is very of short duration, so that other radio reception devices come
Not as good as the unlicensed spectrum is occupied, therefore, this interval can achieve the degree ignored.In embodiments of the present invention, institute
Processing unit 420 is stated when detecting the unlicensed spectrum free time, the situation for starting to occupy the unlicensed spectrum also includes
The processing unit 420 is occupying institute by very short time, close start simultaneously at when detecting the unlicensed spectrum free time
State the situation of unlicensed spectrum.Herein, as it is a kind of supplement rather than it is a kind of limitation the embodiment of the present invention is further described.
Transmission unit 430 sends uplink scheduling signaling to institute in the case where detecting that the unlicensed spectrum is idle
UE is stated, the uplink scheduling signaling is used to indicate the channel resource of the uplink, the channel resource position of the uplink
In in the unlicensed spectrum.
The uplink scheduling signaling may include specific frequency point information or modulation coding scheme of the UE uplink etc.
Deng.The content of the uplink scheduling signaling can be DCI format 0 with UL Grant, the format of the uplink scheduling signaling.
The uplink scheduling signaling can be sent on authorization frequency spectrum, when sending on authorizing frequency spectrum, can increase institute
State the reliability of uplink scheduling signalling.Alternatively, the uplink scheduling signaling can also be sent in unlicensed spectrum.
Optionally, when processing unit 420 starts to occupy the unlicensed spectrum, the transmission unit 430 sends described
The time point that first uplink scheduling signaling namely processing unit 420 start to occupy unlicensed spectrum can be sent out with transmission unit 430
Send the time point of the first dispatch identical.
Optionally, can also after processing unit 420 starts to occupy unlicensed spectrum transmission unit after latency period
430 send the first dispatch.When the time interval is very of short duration, i.e., close to 0, it is single to be equal to processing
When member 420 starts to occupy the unlicensed spectrum, the transmission unit 430 sends the uplink scheduling signaling.
Processing unit 420 is also used to start to send the uplink scheduling signaling by the predetermined time in the transmission unit
When, stop occupying the unlicensed spectrum.
Wherein, the predetermined time can for UE start receive uplink scheduling signaling after to actual uplink transmit when pass through when
Between, can have different regulations in different communication protocol, or can by between the access network equipment and the UE into
Row is negotiated to determine.For example, can be 4 TTI in FDD-LTE system.Based on this, start to occupy institute in processing unit 420
While stating unlicensed spectrum, in the case that transmission unit 430 sends the first uplink scheduling signaling to UE, the processing unit
420 start to occupy the unlicensed spectrum to the occupancy unlicensed spectrum elapsed time is stopped to be 4TTI；In processing unit
430 start to occupy after the unlicensed spectrum that transmission unit 430 sends uplink scheduling signaling to UE after latency period t1
In the case where, it is 4TTI+tl.It should be noted that here it will be understood that in the absence of the sending and receiving of uplink scheduling signaling
Prolong or existing time delay can be ignored, just can guarantee that access network equipment sends uplink scheduling signaling by pre- timing in this way
Between time point and UE to receive uplink scheduling signaling consistent by the time point of the predetermined time.
Receiving unit 410 is also used to receive the data packet that the UE is sent in the unlicensed spectrum, the data packet
For UE transmission when after starting to receive the uplink scheduling signaling by the predetermined time.
It is believed that the transmission unit 430 is opened when the processing unit 420 stops occupying the unlicensed spectrum
Begin to receive the data packet that the UE is sent.It should be pointed out that radio-frequency channel is from upper in access network equipment 400 under actual conditions
Row emission state is converted to uplink receiving state and needs certain reiving/transmitting state conversion time, therefore, when practical operation, occupies non-
The time of authorization frequency spectrum may be slightly shorter than the above-mentioned time, for example stop the time of the time point preset in advance occupied, this is default
Time can be depending on the radio-frequency devices of access network equipment, such as can be 10 μ s, 20 μ s or 30 μ s.Due to the receipts
It is very of short duration to send out state conversion time, can be ignored.Therefore, in the description of the embodiment of the present invention, the reiving/transmitting state
Conversion time can be not counted in the time for occupying the unlicensed spectrum, alternatively, if when individually converting to the reiving/transmitting state
Between carry out timing, then transmitting-receiving the sum of the conversion time and the holding time of the unlicensed spectrum be equal to the UE start to receive
The uplink scheduling signaling to send data packet between duration.
Optionally, above-mentioned uplink scheduling signaling is the first uplink scheduling signaling in the embodiment of the present invention, and the data packet is
First data packet, the predetermined time were the first predetermined times, and it is slow that first data packet may include the UE uplink
The amount for the data for needing to transmit in area is deposited, for example, the amount of the data can be carried in BSR in LTE system.At this point, processing
Unit 420 is also used to start to occupy the unlicensed spectrum when the receiving unit is completed to receive first data packet.
Processing unit 420 can be sends data in the unlicensed spectrum by triggering transmission unit 430 again, with reality
Now the unlicensed spectrum is occupied.
In embodiments of the present invention, when the receiving unit 410 is completed to receive first data packet, the processing unit
420 start to occupy the unlicensed spectrum, can be the receiving unit 410 and complete to receive first data packet while institute
Processing unit 420 is stated to start to occupy the unlicensed spectrum.In a practical situation, it has received the first data packet and has started to occupy institute
State between unlicensed spectrum may also having time interval but this time interval it is very of short duration, such as 10 μ s, 20 μ s etc., due to this
Time interval is very of short duration, so that other radio reception devices have little time to occupy the unlicensed spectrum, therefore, when this existing
Between interval can achieve the degree ignored.
For receiving unit 410 after receiving first data packet, processing unit 420 carries out first data packet
Parsing obtains the amount for the data for needing to transmit in the UE uplink buffer area.According to need in the UE uplink buffer area
The amount of the data of uplink is wanted, the access network equipment can determine the channel resource for distributing to the UE for uplink
Size.
Transmission unit 430 is also used to send the second uplink scheduling signaling to the UE, and the uplink scheduling signaling is for referring to
Show that the channel resource of the uplink, the channel resource of the uplink are located in the unlicensed spectrum.
Wherein, the time point that transmission unit 430 starts to send the second uplink scheduling signaling can be the beginning of processing unit 420
It is occupied to after determining that distributing to UE is used for the channel resource elapsed time t3 of uplink again；It is also possible to processing unit
420 start to occupy again after unlicensed spectrum by t3, using one section of waiting time t4, wherein t4 >=0.Namely receiving unit
410 complete to be passed through when starting to transmission unit 430 when receiving first data packet and send the second uplink scheduling signaling
Time be t2=t3+t4.
Processing unit 420 was also used to after transmission unit 430 sends the second uplink scheduling signaling by the second predetermined time
When, stop occupying the unlicensed spectrum.
Wherein, the second predetermined time can initially receive for UE and pass through when transmitted after uplink scheduling signaling to actual uplink
Time, can have different regulations in different communication protocol, or can by the access network equipment and the UE it
Between hold consultation determination.For example, can be 4 TTI in FDD-LTE system.In conjunction with above-mentioned steps, processing unit 420 is opened
Beginning occupies unlicensed spectrum again and can be t2+4TTI to the occupancy unlicensed spectrum elapsed time is stopped.
Receiving unit 410 is also used to receive the second data packet sent in the unlicensed spectrum, second data
Packet is UE transmission when after starting the second uplink scheduling signaling of reception by second predetermined time.
In the present embodiment, when the processing unit 420 stops occupying the unlicensed spectrum, the receiving unit 410
It can start to receive the second data packet that the UE is sent.It should be pointed out that under actual conditions, radio-frequency channel in equipment 400
Uplink receiving state is converted to from uplink emission state and needs certain reiving/transmitting state conversion time, therefore, when practical operation, is accounted for
It may be slightly shorter than the above-mentioned time with the time of unlicensed spectrum, for example stop the preset in advance time at time point occupied, it is described
Depending on preset time can be according to the radio-frequency devices performance of real access network equipment, such as 10 μ s, 20 μ s or 30 μ s.Due to described
Reiving/transmitting state conversion time is very of short duration, can be ignored.Therefore, in the description of the embodiment of the present invention, the transmitting-receiving shape
State conversion time can be not counted in the processing unit 420 and occupy in the time of the unlicensed spectrum, alternatively, if individually to institute
It states reiving/transmitting state conversion time and carries out timing, then the sum of the transmitting-receiving conversion time and the holding time are equal to the UE and start
The second uplink scheduling signaling is received to the duration sent between the second data packet.
Access network equipment provided in an embodiment of the present invention, by receiving uplink scheduling signaling in UE, the UE not yet exists
Unlicensed spectrum send uplink business data when, actively occupy the unlicensed spectrum in advance, avoid other access network equipments or
The other types of wireless device of person due to be not detected the unlicensed spectrum it is occupied and use the unlicensed spectrum send data,
To effectively reduce the probability that UE is interfered in uplink, UE data transmission fault, interruption or delay are avoided
The problems such as, increase the accuracy and efficiency in unlicensed spectrum transmitting data.
Fig. 5 is the structural schematic diagram that the another kind of the embodiment of the present invention uses the equipment of unlicensed spectrum.As shown in figure 5,
Equipment 500 includes processor 510, memory 520, communication interface 530 and bus 540, and the storage of memory 520, which executes, to be referred to
It enables, when equipment operation, is communicated between the processor 510 and the memory 520 by bus 530, the processing
Device 510 receives information by the communication interface 530, and executes the present invention in fact according to the computer instruction that memory 520 stores
The step of applying all disclosed methods of example.
Optionally, the processing unit 420 in the embodiment of the present invention that Fig. 4 is provided can correspond to processor 510 here,
I.e. it is functional to can be realized the institute that the processing unit 420 can be realized for processor 510.In the embodiment of the present invention that Fig. 4 is provided
Receiving unit 410 and transmission unit 430 can correspond to communication interface 530 here namely communication interface 530 can be realized institute
It is functional to state the institute that receiving unit 410 and the transmission unit 430 can be realized.
Wherein, processor 510 can be general processor, digital signal processor (DSP), specific integrated circuit
(ASIC), ready-made programmable gate array (FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components.General processor can be microprocessor or the processor is also possible to any conventional processor etc..
Each method, step disclosed in various embodiments of the present invention and logic diagram can also be realized or be executed to access network equipment 500.Knot
The step of closing method disclosed in the embodiment of the present invention can be embodied directly in hardware decoding processor and execute completion, or with translating
Hardware and software module combination in code processor execute completion.Computer instruction can be located at random access memory, flash memory, read-only
The storage medium of this fields such as memory, programmable read only memory or electrically erasable programmable memory, register maturation
In.The storage medium is located at memory 520, and processor 510 reads the information in memory 520, completes each reality in conjunction with its hardware
The step of applying the method for example.
Those of ordinary skill in the art will appreciate that and realizing whole processes in the various embodiments described above.It can pass through
Computer program instructions cooperate relevant hardware realization.
The restriction of application scenarios etc. is only to illustrate the specific technical solution of the present invention in the above various embodiments, rather than to it
It is limited.Namely it is possible to modify the technical solutions described in the foregoing embodiments, or special to technology therein
Sign is equivalently replaced, and these modifications and replacement, is had no effect on it and is fallen into protection scope of the present invention.
Claims (20)
1. a kind of method using unlicensed spectrum, which is characterized in that the described method includes:
Access network equipment receives the scheduling request information that user equipment (UE) is sent, and the scheduling request information is for requesting uplink to pass
Defeated channel resource；
Whether the access network equipment detection unlicensed spectrum is idle；
The access network equipment starts to occupy the unlicensed spectrum when detecting the unlicensed spectrum free time；
The access network equipment sends uplink scheduling signaling to the UE, and the uplink scheduling signaling is used to indicate the uplink and passes
The channel resource of defeated channel resource, the uplink is located in the unlicensed spectrum；
The access network equipment stops occupying described non-award when after starting to send the uplink scheduling signaling by the predetermined time
Weigh frequency spectrum；
The access network equipment receives the data packet that the UE is sent in the unlicensed spectrum, and the data packet is the UE
Transmission when after starting to receive the uplink scheduling signaling by the predetermined time.
2. the method as described in claim 1, which is characterized in that described to occupy the unlicensed spectrum and include:
The access network equipment sends data in the unlicensed spectrum.
3. method according to claim 2, which is characterized in that the data are times in padding sequence and pseudo-random sequence
It anticipates one kind.
4. the method as described in claims 1 to 3 is any, which is characterized in that the access network equipment sends uplink scheduling signaling
Include: to the UE
The access network equipment sends the uplink scheduling signaling to described while starting to occupy the unlicensed spectrum
UE。
5. the method as described in claims 1 to 3 is any, which is characterized in that the access network equipment sends uplink scheduling signaling
Include: to the UE
The access network equipment sends the uplink scheduling signaling to institute when occupying the unlicensed spectrum by time interval
State UE.
6. a kind of method using unlicensed spectrum, which is characterized in that the method has claim 1 to 5 any one institute
Whole features of method are stated, also, in frequency division duplex long evolving system, the predetermined time is 4 transmission time intervals
TTI。
7. a kind of method using unlicensed spectrum, which is characterized in that the method has claim 1 to 6 any one institute
Whole features of method are stated, also, the scheduling request information and the uplink scheduling signaling are transmitted on authorization frequency spectrum.
8. a kind of method using unlicensed spectrum, which is characterized in that the method has claim 1 to 7 any one institute
Whole features of method are stated, also, the uplink scheduling signaling is the first uplink scheduling signaling, the data packet is the first data
Packet, the predetermined time was the first predetermined time, and first data packet includes to need to pass in the UE uplink buffer area
The amount of defeated data, the method also includes:
When the access network equipment is completed to receive first data packet, the access network equipment starts to occupy described unauthorized
Frequency spectrum；
The access network equipment sends the second uplink scheduling signaling to the UE, institute according to the amount of the data for needing to transmit
It states the second uplink scheduling signaling and is used to indicate the channel resource for transmitting the data for needing to transmit in the UE uplink buffer area,
The channel resource for the data for needing to transmit in the transmission UE uplink buffer area is located in the unlicensed spectrum；
The access network equipment stops occupying when after starting to send the second uplink scheduling signaling by the second predetermined time
The unlicensed spectrum；
The access network equipment receives the second data packet that the UE is sent in the unlicensed spectrum, second data packet
For UE transmission when after starting to receive the second uplink scheduling signaling by second predetermined time.
9. method according to claim 8, which is characterized in that the second uplink scheduling signaling is transmitted on authorization frequency spectrum.
10. a kind of access network equipment, which is characterized in that the equipment includes:
Receiving unit, for receiving the scheduling request information of user equipment (UE) transmission, the scheduling request information is for requesting
The channel resource of row transmission；
Processing unit, it is whether idle for detecting unlicensed spectrum；
The processing unit is also used to when detecting the unlicensed spectrum free time, starts to occupy the unlicensed spectrum；
Transmission unit, in the case where detecting that the unlicensed spectrum is idle, sending uplink scheduling signaling to the UE,
The uplink scheduling signaling is used to indicate the channel resource of the uplink, and the channel resource of the uplink is located at described
In unlicensed spectrum；
The processing unit is also used to when signaling is by the predetermined time after the transmission unit starts to send the uplink scheduling,
Stop occupying the unlicensed spectrum；
The receiving unit is also used to receive the data packet that the UE is sent in the unlicensed spectrum, and the data packet is institute
State UE transmission when after starting to receive the uplink scheduling signaling by the predetermined time.
11. access network equipment as claimed in claim 10, which is characterized in that the processing unit occupies the unlicensed spectrum
Include:
The processing unit triggers the transmission unit and sends data in the unlicensed spectrum.
12. access network equipment as claimed in claim 11, which is characterized in that the data are padding sequence and pseudorandom sequence
Any one in column.
13. the access network equipment as described in claim 10 to 12 is any, which is characterized in that the transmission unit sends uplink tune
Spending signaling to the UE includes:
The processing unit while occupying the unlicensed spectrum, the transmission unit send the uplink scheduling signaling to
The UE.
14. the access network equipment as described in claim 10 to 12 is any, which is characterized in that the transmission unit sends uplink tune
Spending signaling to the UE includes:
For the processing unit when occupying the unlicensed spectrum by time interval, the transmission unit sends the uplink tune
Signaling is spent to the UE.
15. a kind of access network equipment, which is characterized in that the access network equipment has described in claim 10 to 14 any one
Whole features of access network equipment, also, in the long evolving system using frequency division duplex, the predetermined time is 4 hairs
Send time interval TTI.
16. a kind of access network equipment, which is characterized in that the access network equipment has described in claim 10 to 15 any one
Whole features of access network equipment, also, the received scheduling request information of the receiving unit and the transmission unit
The uplink scheduling signaling sent is transmitted on authorization frequency spectrum.
17. a kind of access network equipment, which is characterized in that the access network equipment has described in claim 10 to 16 any one
Whole features of access network equipment, also, the uplink scheduling signaling is the first uplink scheduling signaling, the data packet is first
Data packet, the predetermined time were the first predetermined times, and received first data packet of receiving unit includes the UE
The amount for the data for needing to transmit in uplink buffer area；
The processing unit is also used to when the receiving unit is completed to receive first data packet, starts to occupy described non-award
Weigh frequency spectrum；
The transmission unit is also used to the amount according to the data for needing to transmit, and sends the second uplink scheduling signaling described in
UE, the second uplink scheduling signaling are used to indicate the channel resource of the data in transmission uplink buffer area needed to transmit,
The channel resource for the data for needing to transmit in the transmission UE uplink buffer area is located in the unlicensed spectrum；
The processing unit is also used to pre- by second after the beginning transmission unit sends the second uplink scheduling signaling
When fixing time, stop occupying the unlicensed spectrum；
The receiving unit is also used to receive the second data packet that the UE is sent in the unlicensed spectrum, second number
It is UE transmission when starting to receive the second uplink scheduling signaling by second predetermined time according to packet.
18. access network equipment as claimed in claim 17, which is characterized in that second uplink that the transmission unit is sent
Dispatch transmits on authorization frequency spectrum.
19. a kind of access network equipment, which is characterized in that including processor and memory, the processor is for executing described deposit
The computer program stored in reservoir, to complete method described in claim 1 to 9 any one.
20. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer journey
Sequence when the computer program is executed by processor, can complete method described in claim 1 to 9 any one.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2014/095224 WO2016101284A1 (en) | 2014-12-27 | 2014-12-27 | Method and device for using unlicensed frequency spectrum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106063347A CN106063347A (en) | 2016-10-26 |
| CN106063347B true CN106063347B (en) | 2019-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480033262.6A Active CN106063347B (en) | 2014-12-27 | 2014-12-27 | Use the method and apparatus of unlicensed spectrum |
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| Country | Link |
|---|---|
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| CN110169171B (en) * | 2017-07-10 | 2021-10-15 | 华为技术有限公司 | Method and device for transmitting data |
| CN108984590B (en) * | 2018-05-30 | 2022-03-11 | 努比亚技术有限公司 | Page data display method, terminal and computer readable storage medium |
| US11963158B2 (en) | 2018-09-21 | 2024-04-16 | Beijing Xiaomi Mobile Software Co., Ltd. | Transmission configuration method and apparatus, device, system, and storage medium |
| EP3860248A4 (en) * | 2018-09-28 | 2022-05-18 | Beijing Xiaomi Mobile Software Co., Ltd. | Control instruction transmission method, base station, terminal and storage medium |
| CN109565686B (en) * | 2018-11-01 | 2023-11-28 | 北京小米移动软件有限公司 | Information transmission method, device, base station and terminal |
| CN109792751B (en) * | 2018-12-28 | 2023-09-26 | 北京小米移动软件有限公司 | Method, device, user equipment and base station for transmitting uplink information |
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| CN106063347A (en) | 2016-10-26 |
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