CN107770868A - One kind control cell canceling method, device and terminal - Google Patents
One kind control cell canceling method, device and terminal Download PDFInfo
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- CN107770868A CN107770868A CN201610695897.3A CN201610695897A CN107770868A CN 107770868 A CN107770868 A CN 107770868A CN 201610695897 A CN201610695897 A CN 201610695897A CN 107770868 A CN107770868 A CN 107770868A
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- 230000005540 biological transmission Effects 0.000 description 8
- 238000003860 storage Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 7
- 230000002776 aggregation Effects 0.000 description 5
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- 230000009977 dual effect Effects 0.000 description 4
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
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Abstract
The embodiment of the invention discloses one kind to control cell canceling method, including：When a triggering condition is met, the control cell MAC CE of media control Access Layer are generated；Listem-before-talk LBT is performed to the unauthorized carrier cell of base station；After obtaining the implementing result of the LBT, cancel the MAC CE.The embodiment of the present invention further simultaneously discloses a kind of control cell and cancels device and terminal.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of control cell canceling method, device and terminal.
Background technology
In long evolving system (LTE, Long Term Evolution), medium education (MAC, Media
Access Control) layer is mainly by logic channel offer data transfer and responsible radio resource allocation, and completion mixing is automatically
Repeat requests (HARQ, Hybrid ARQ), scheduling (SCH, Scheduling), priority processing and multiplexing and demultiplexing (MUX,
The function such as Multiplexing)；The content that MAC layer is sent includes high-rise data, control cell (the MAC CE, MAC of MAC layer
Control Element), or filling padding；MAC CE have uplink and downlink, up mainly to include buffer state report
Accuse (BSR, Buffer Status Report), power headroom reporting (PHR) (PHR, Power Headroom Report) etc..
When terminal in connected state needs to send upstream data, if without ascending resource or mandate, base station can be first given
BSR is sent, carries index value corresponding to ready buffered data size, base station receives the index value that rear basis receives, known
Buffered data size, corresponding uplink authorization is configured to terminal, terminal receives uplink authorization can and sends upstream data；Work as end
The uplink authorization received is held to send ready all data (not including BSR) enough, or terminal wraps preparation hair in BSR groups
Send, then the BSR triggered can be cancelled.
The current transmission power of user terminal (UE, User Equipment) is no more than UE maximum transmission power, typically
, UE is by PHR processes by UE maximum transmission power and current Uplink Shared Channel (UL-SCH, Uplink Shared
) and the transmission power of Physical Uplink Control Channel (PUCC, Physical Uplink Control Channel) Channel
Difference notifies base station (eNB, Evolved Node B), and eNB carries out uplink scheduling and link adaptation according to this difference, further
Decide whether to carry out Power Control (as reduced transmission power or increase transmission power, and needing the watt level being adjusted)
To meet UE current transmission powers no more than UE maximum transmission power, while it is optimal the requirement of reception；Work as terminal
PHR groups are wrapped after preparation submits to physical layer, then the PHR triggered will be cancelled.
With the rapid growth of data service, authorize frequency spectrum can not to bear so huge data volume；So LTE is transported
Seek business and consider the deployment LTE in unlicensed spectrum resource (Unlicensed Carrier), awarded by unlicensed spectrum to share
Weigh the data traffic in carrier wave；Unauthorized carrier wave (exempting to authorize frequency spectrum) refers to meeting government department's (e.g., National Radio management
The committee) under pertinent regulations (radio control), it is not necessary to authorize the frequency spectrum (or carrier wave) that just can directly use；For example, microwave
Stove, remote toy aircraft, wireless mouse, Wireless Keyboard, high-fidelity wireless networking (WiFi, Wireless Fidelity) etc. are all
Unauthorized carrier wave is used.Unauthorized carrier wave and mandate carrier wave can be used by way of carrier aggregation, can also be by double
The mode of connection uses, unauthorized carrier wave generally as data transfer supplement, that is, authorize carrier wave as main serving cell, it is non-to award
Carrier wave is weighed as auxiliary serving cell, although however, MAC CE can be sent by unauthorized carrier wave, due to unauthorized carrier wave
Resource needs to use by listem-before-talk (LBT, Listen before talk) competition, under this scene, MAC CE groups
Bag is completed after submitting to physical layer in terminal, cancels MAC CE, then, when LBT implementing result failure, terminal can not and
When send MAC CE to base station, cause base station can not know the actual conditions of terminal.
The content of the invention
In view of this, the embodiment of the present invention it is expected to provide a kind of control cell canceling method, device and terminal, by non-
When mandate frequency spectrum enters row data communication, when LBT fails, terminal can send MAC CE in time so that base station can know that terminal is worked as
Preceding actual conditions, and can reasonably be dispatched according to the current MAC CE of terminal.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
In a first aspect, a kind of control cell canceling method is provided in the embodiment of the present invention, including：When meeting trigger condition
When, the control cell MAC CE of generation media control Access Layer；Listem-before-talk LBT is performed to the unauthorized carrier cell of base station；
After obtaining the implementing result of the LBT, cancel the MAC CE.
In such scheme, the unauthorized carrier cell to base station performs LBT, obtains the implementing result of the LBT
Afterwards, the MAC CE are cancelled, including：LBT processes are carried out to the unauthorized carrier cell of the base station；Determine the LBT processes
During success, the MAC CE are sent to the base station by the unauthorized carrier cell, cancel the MAC CE.
In such scheme, the unauthorized carrier cell to base station performs LBT, obtains the implementing result of the LBT
Afterwards, the MAC CE are cancelled, including：LBT processes are carried out to the unauthorized carrier cell of the base station, and in the LBT processes
The frequency of failure is updated during failure；When the frequency of failure after renewal is no more than preset times, repeat described to the base station
Unauthorized carrier cell carries out LBT processes, and in the LBT procedure failures the step of renewal frequency of failure；Determine the LBT
When the frequency of failure after process success and renewal is no more than the preset times, passes through the unauthorized carrier cell and send institute
MAC CE are stated to the base station, cancel the MAC CE.
In such scheme, the unauthorized carrier cell to base station performs LBT, obtains the implementing result of the LBT
Afterwards, the MAC CE are cancelled, including：LBT processes are carried out to the unauthorized carrier cell of the base station, and in the LBT processes
The frequency of failure is updated during failure；When the frequency of failure after renewal is no more than preset times, repeat described to the base station
Unauthorized carrier cell carries out LBT processes, and in the LBT procedure failures the step of renewal frequency of failure；Determine the LBT
When the frequency of failure of process exceedes the preset times, cancel the MAC CE, by authorizing carrier cell to send a notification message
To the base station.
In such scheme, the unauthorized carrier cell to base station performs LBT, obtains the implementing result of the LBT
Afterwards, the MAC CE are cancelled, including：LBT processes are carried out to the unauthorized carrier cell of the base station, and in the LBT processes
Time To Failure is recorded during failure；When the Time To Failure of record is no more than preset time, repeat described to the non-of the base station
Carrier cell is authorized to carry out LBT processes, and in the LBT procedure failures the step of record Time To Failure；Determine the LBT mistakes
When the successful time of Cheng Chenggong and record is no more than the preset time, the MAC is sent by the unauthorized carrier cell
CE cancels the MAC CE to the base station.
In such scheme, the unauthorized carrier cell to base station performs LBT, obtains the implementing result of the LBT
Afterwards, the MAC CE are cancelled, including：LBT processes are carried out to the unauthorized carrier cell of the base station, and in the LBT processes
Time To Failure is recorded during failure；When the Time To Failure of record is no more than preset time, repeat described to the non-of the base station
Carrier cell is authorized to carry out LBT processes, and in the LBT procedure failures the step of record Time To Failure；It is determined that described in reaching
When the LBT processes are failed during preset time, cancel the MAC CE, by authorizing carrier cell to send a notification message to institute
State base station.
In such scheme, the MAC CE include Buffer Status Report BSR and/or power headroom reporting (PHR) PHR.
In such scheme, the trigger condition includes following any one or multinomial：When the upstream data ratio of arrival
Current ready data have higher priority or when upstream data reaches currently without ready data, receive
The row resource allocation and byte of filling is more than or equal to BSR, BSR cycle timers time-out, retransmit BSR timer expiries and currently
There are ready data, periodic report timer expiry, PHR configuration changes, and activates auxiliary serving cell Scell, power
Back-off caused by control exceedes appointed threshold.
Second aspect, a kind of control cell is provided in the embodiment of the present invention and cancels device, including：Generation module, it is used for
When a triggering condition is met, the control cell MAC CE of media control Access Layer are generated；Execution module, for being awarded to the non-of base station
Weigh carrier cell and perform listem-before-talk LBT；Cancel module, after obtaining the implementing result of the LBT, cancel the MAC
CE。
In such scheme, the execution module, it is specifically used for：LBT is carried out to the unauthorized carrier cell of the base station
Process；Correspondingly, the cancellation module, is specifically used for：It is small by the unauthorized carrier wave when determining the LBT processes success
Area sends the MAC CE to the base station, cancels the MAC CE.
In such scheme, the execution module, including：First implementation sub-module, for the unauthorized of the base station
Carrier cell carries out LBT processes, and updates the frequency of failure in the LBT procedure failures；First triggering submodule, for updating
When the frequency of failure afterwards is no more than preset times, it is described to the unauthorized of the base station to trigger the first implementation sub-module execution
Carrier cell carries out a LBT process, and updates the frequency of failure in the LBT procedure failures；Correspondingly, the cancellation mould
Block, it is specifically used for：When the frequency of failure after determining the LBT processes success and updating is no more than the preset times, pass through institute
State unauthorized carrier cell and send the MAC CE to the base station, cancel the MAC CE.
In such scheme, the execution module, including：Second implementation sub-module, for the unauthorized of the base station
Carrier cell carries out LBT processes, and updates the frequency of failure in the LBT procedure failures；Second triggering submodule, for updating
When the frequency of failure afterwards is no more than preset times, it is described to the unauthorized of the base station to trigger the second implementation sub-module execution
Carrier cell carries out LBT processes, and updates the frequency of failure in the LBT procedure failures；Correspondingly, the cancellation module, tool
When body is for determining that the frequency of failure of the LBT processes exceedes the preset times, cancel the MAC CE, by authorizing carrier wave
Cell sends a notification message to the base station.
In such scheme, the execution module, including：3rd implementation sub-module, for the unauthorized of the base station
Carrier cell carries out LBT processes, and records Time To Failure in the LBT procedure failures；3rd triggering submodule, for recording
Time To Failure when being no more than preset time, trigger the 3rd implementation sub-module and perform the unauthorized load to the base station
Ripple cell carries out LBT processes, and records Time To Failure in the LBT procedure failures；Correspondingly, the cancellation module, specifically
For：When determining that the Time To Failure of the LBT processes success and record is no more than the preset time, by described unauthorized
Carrier cell sends the MAC CE to the base station, cancels the MAC CE.
In such scheme, the execution module, including：4th implementation sub-module, for the unauthorized of the base station
Carrier cell carries out LBT processes, and records Time To Failure in the LBT procedure failures；4th triggering submodule, for recording
Time To Failure when being no more than preset time, trigger the 4th implementation sub-module and perform the unauthorized load to the base station
Ripple cell carries out LBT processes, and records Time To Failure in the LBT procedure failures；Correspondingly, the cancellation module, specifically
For：It is determined that when the LBT processes are failed when reaching the preset time, cancel the MAC CE, by authorizing carrier wave small
Area sends a notification message to the base station.
In such scheme, the MAC CE include Buffer Status Report BSR and/or power headroom reporting (PHR) PHR.
In such scheme, the trigger condition includes following any one or multinomial：When the upstream data ratio of arrival
Current ready data have higher priority or when upstream data reaches currently without ready data, receive
The row resource allocation and byte of filling is more than or equal to BSR, BSR cycle timers time-out, retransmit BSR timer expiries and currently
There are ready data, periodic report timer expiry, PHR configuration changes, and activates auxiliary serving cell Scell, power
Back-off caused by control exceedes appointed threshold.
The third aspect, provides a kind of terminal, including memory and processor in the embodiment of the present invention, in the processor
It is stored with computer executable instructions, the processor, for performing the computer executable instructions, to realize following grasp
Make：When a triggering condition is met, the control cell MAC CE of media control Access Layer are generated；To the unauthorized carrier cell of base station
Perform listem-before-talk LBT；After obtaining the implementing result of the LBT, cancel the MAC CE.
In such scheme, the unauthorized carrier cell to base station performs listem-before-talk LBT, obtains the LBT's
After implementing result, cancel the MAC CE, including：LBT processes are carried out to the unauthorized carrier cell of the base station；It is it is determined that described
During the success of LBT processes, the MAC CE are sent to the base station by the unauthorized carrier cell, cancel the MAC CE.
In such scheme, listem-before-talk LBT is performed to the unauthorized carrier cell of base station, obtain holding for the LBT
After row result, cancel the MAC CE, including：LBT processes are carried out to the unauthorized carrier cell of the base station, and described
The frequency of failure is updated during LBT procedure failures；When the frequency of failure after renewal is no more than preset times, repeat described to described
The unauthorized carrier cell of base station carries out LBT processes, and in the LBT procedure failures the step of renewal frequency of failure；It is determined that
When the frequency of failure after the LBT processes success and renewal is no more than the preset times, pass through the unauthorized carrier cell
The MAC CE are sent to the base station, cancel the MAC CE.
In such scheme, the unauthorized carrier cell to base station performs listem-before-talk LBT, obtains the LBT's
After implementing result, cancel the MAC CE, including：LBT processes are carried out to the unauthorized carrier cell of the base station, and described
Time To Failure is recorded during LBT procedure failures；When the Time To Failure of record is no more than preset time, repeat described to the base
The unauthorized carrier cell stood carries out LBT processes, and in the LBT procedure failures the step of record Time To Failure；It is determined that arrive
When the LBT processes are failed during up to the preset time, cancel the MAC CE, disappeared by authorizing carrier cell to send notice
Cease to the base station.
Control cell canceling method, device and the terminal that the embodiment of the present invention is provided, when a triggering condition is met, terminal
MAC CE are generated, LBT then is performed to unauthorized carrier cell, after obtaining LBT implementing result, cancel MAC CE, so,
No matter implementing result is successfully or failed so that the MAC CE of terminal can be sent to base station, avoided in implementing result
For failure when, terminal can not send MAC CE, cause base station can not know the current actual conditions of terminal, by the above method,
After LBT implementing result is obtained, cancel MAC CE, then, when entering row data communication by unlicensed spectrum, work as LBT
Terminal can send MAC CE in time during failure so that and base station can know the current actual conditions of terminal, and according to MAC CE energy
Enough reasonably dispatched.
Brief description of the drawings
Fig. 1 is the schematic flow sheet that cell canceling method is controlled in the embodiment of the present invention；
Fig. 2 is a kind of optional schematic flow sheet that cell canceling method is controlled in the embodiment of the present invention；
Fig. 3 is another optional schematic flow sheet that cell canceling method is controlled in the embodiment of the present invention；
Fig. 4 is another optional schematic flow sheet that cell canceling method is controlled in the embodiment of the present invention；
Fig. 5 is another optional schematic flow sheet that cell canceling method is controlled in the embodiment of the present invention；
Fig. 6 is the structural representation for controlling cell to cancel device in the embodiment of the present invention；
Fig. 7 is the structural representation of terminal in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes.
Embodiment one
The embodiment of the present invention provides a kind of control cell canceling method, and Fig. 1 is that the control cell in the embodiment of the present invention takes
The schematic flow sheet for the method that disappears, as shown in figure 1, this method includes：
S101：When a triggering condition is met, MAC CE are generated；
Wherein, above-mentioned trigger condition includes following any one or multinomial：When the upstream data of arrival prepares than current
Good data have higher priority or when upstream data reaches currently without ready data, receive ascending resource point
The byte matched somebody with somebody and filled is more than or equal to BSR, BSR cycle timers time-out, retransmits BSR timer expiries and is currently ready to
Data, periodic report timer expiry, PHR configuration changes, activation auxiliary serving cell (Scell, Secondary
Cell), back-off caused by Power Control exceedes appointed threshold；
When meeting the trigger condition, the MAC layer generation MAC CE of terminal, and the MAC CE generated are submitted into terminal
In unauthorized carrier cell physical layer, wherein, MAC CE include carrying buffered data in terminal in BSR and/or PHR, BSR
Index value corresponding to size, power headroom PH is carried in PHR.
S102：LBT is performed to the unauthorized carrier cell of base station；
Here, there is unauthorized carrier cell in above-mentioned base station and authorize carrier cell, MAC CE are submitted to terminal by terminal
In unauthorized carrier cell physical layer after, in order that with the unauthorized carrier wave of base station, to the unauthorized carrier cell of base station
LBT is performed, it is necessary to which explanation, includes the unauthorized carrier cell to base station to the unauthorized carrier cell execution LBT of base station
Once or repeatedly LBT processes, and often complete a LBT process, record this processes result and obtain this process
As a result time；It can be the same or different in addition, carrying out LBT processes institute interlude every time, here, the present invention is not done
It is specific to limit.
S103：After obtaining LBT implementing result, cancel MAC CE.
Wherein, after terminal obtains LBT implementing result, terminal can send MAC CE extremely by unauthorized carrier cell
Base station, can also be by authorizing carrier cell to send a notification message to base station, then cancels the MAC CE in terminal mac layer, wherein,
The notification message is used to notify base station terminal to eliminate MAC CE；That is, even if when LBT implementing result failure, terminal
Still notification message can be sent to base station in time so that know the current actual conditions of terminal in time in base station.So so that
Base station can know the current actual conditions of terminal in time, complete rational scheduling.
The control cell canceling method that the embodiment of the present invention is provided, when a triggering condition is met, terminal generation MAC CE,
Then LBT is performed to unauthorized carrier cell, after obtaining LBT implementing result, cancels MAC CE, so, no matter perform knot
Fruit is successfully or failed so that the MAC CE of terminal can be sent to base station, avoided when implementing result is fails, eventually
End can not send MAC CE, cause base station can not know the current actual conditions of terminal, by the above method, obtaining LBT's
After implementing result, cancel MAC CE, then, when entering row data communication by unlicensed spectrum, the terminal energy when LBT fails
MAC CE are sent in time so that base station can know the current actual conditions of terminal, and can according to the current MAC CE of terminal
Reasonably dispatched.
Embodiment two
Based on above-described embodiment one, in order in time cancel MAC CE, can be accomplished by the following way：
In a kind of optional embodiment, S102 and S103 can include：LBT is carried out to the unauthorized carrier cell of base station
Process；When determining the success of LBT processes, MAC CE are sent to base station by unauthorized carrier cell, cancel MAC CE.
Wherein, the unauthorized carrier cell of terminal-pair base station carries out a LBT process, completes this LBT process, it is determined that
During the success of LBT processes, the MAC CE in the physical layer of unauthorized carrier cell are sent to base station by unauthorized carrier cell,
Then the MAC CE in terminal in MAC layer are cancelled；That is, when progress LBT processes obtain the success of LBT processes so that MAC
CE cancels MAC CE again after sending in time to base station so that and base station can obtain the current actual conditions of terminal exactly,
It is scheduled and controls based on information exactly, avoids irrational scheduling and occur, improve Consumer's Experience.
For example, there are 3 cells for base station 1, cell 1 is to authorize carrier cell, and cell 2 and cell 3 are unauthorized
Carrier cell, dual link scene, multiple base stations be present, for each base station, terminal is all to carry out carrier aggregation, therefore for
The process of each base station is consistent with below step；
It is connected when terminal establishes with cell 1, due to portfolio increase, base station 1 increases small according to measurement report to terminal
Area 2；Fig. 2 is a kind of optional schematic flow sheet of the control cell canceling method in the embodiment of the present invention, as shown in Fig. 2 band
The horizontal line of arrow represents time shaft, and T1 moment and T2 moment have been marked on time shaft, then the method bag that above-mentioned control cell is cancelled
Include：
S201：Terminal receives upstream data and meets trigger condition, and terminal calculates current buffered data size, such as
1100, BSR MAC CE are formed, wherein, comprising Current buffer size of data it is index value corresponding to 1100 in BSR, terminal will
BSR submits to the physical layer of cell 2 in terminal, is now designated as the T1 moment, does not cancel or deletes the BSR；
S202：Terminal carries out the LBT processes of cell 2, and result is success, at this point it is possible to delete or cancel BSR, now for
At the T2 moment, the BSR in the physical layer of cell in terminal 2 is sent to base station by cell 2；
S203：Base station receives the BSR that terminal reports, according to buffered data size, collocating uplink mandate.
S204：Terminal receives uplink authorization, sends upstream data.
Embodiment three
Based on above-described embodiment two, further, terminal is sent to the MAC CE of base station accuracy to ensure, can be with
It is accomplished by the following way：
In a kind of optional embodiment, S102 and S103 can include：LBT is carried out to the unauthorized carrier cell of base station
Process, and update the frequency of failure in LBT procedure failures；When the frequency of failure after renewal is no more than preset times, repeat
LBT processes are carried out to the unauthorized carrier cell of base station, and in LBT procedure failures the step of the renewal frequency of failure；Determine LBT
When the frequency of failure after process success and renewal is no more than preset times, passes through unauthorized carrier cell and send MAC CE to base
Stand, cancel MAC CE.
Wherein, the unauthorized carrier cell of terminal-pair base station carries out a LBT process, obtains this LBT procedure failure, more
The new frequency of failure, compares whether the frequency of failure after renewal exceedes preset times, if being no more than preset times, when being spaced one section
Between, the unauthorized carrier cell progress LBT processes repeated to base station are returned, obtain this LBT procedure failure, renewal failure
Number；Until obtaining the success of LBT processes；Only when the frequency of failure after renewal is no more than preset times, awarded non-in terminal
The MAC CE weighed in the physical layer of carrier cell are sent to base station by unauthorized carrier cell, then are cancelled in terminal in MAC layer
MAC CE；Wherein, interlude can be the same or different between above-mentioned LBT processes every time；So, existed by limitation
The frequency of failure before success, the success of LBT processes, MAC CE can just reflect present terminal only when no more than preset times
Actual conditions, then, now MAC CE are sent to base station, then cancel MAC CE so that base station can be based on exactly
Information is scheduled and controlled, and avoids irrational scheduling and occurs, improves Consumer's Experience.
For example, there are 3 cells for base station 1, cell 1 is to authorize carrier cell, and cell 2 and cell 3 are unauthorized
Carrier cell, dual link scene, multiple base stations be present, for each base station, terminal is all to carry out carrier aggregation, therefore for
The process of each base station is consistent with below step；
Terminal is established with cell 1 and is connected, and due to portfolio increase, base station 1 increases cell according to measurement report to terminal
2, Fig. 3 be another optional schematic flow sheet in the control cell canceling method in the embodiment of the present invention, as shown in figure 3, band
The horizontal line of arrow represents time shaft, has marked T1 moment, T2 moment and T3 moment on time shaft, then above-mentioned control cell cancellation side
Method includes：
S301：When the upstream data that terminal receives meets trigger condition, terminal calculates current buffered data size, than
Such as 1100, BSR MAC CE are formed, wherein, comprising Current buffer size of data it is index value, terminal corresponding to 1100 in BSR
BSR is submitted to the physical layer of cell 2 in terminal, is now the T1 moment, does not cancel or delete the BSR of the triggering；
S302：Terminal carries out the LBT processes (LBT1) of cell 2, and result is failure, records the frequency of failure for sending BSR
It it is now the T2 moment for 1；
S303：By certain time interval, terminal carries out the LBT processes (LBT2) of cell 2 again, and result is success,
Not yet reach the default frequency of failure 2, be now the T3 moment, cancel or delete the BSR of the triggering, and by cell in terminal 2
BSR in physical layer is sent to base station by cell 2；
S304：Base station receives the BSR that terminal reports, according to buffered data size, collocating uplink mandate.
S305：Terminal receives uplink authorization, sends upstream data.
Example IV
Based on above-described embodiment one, when LBT fails, terminal, can be by with lower section in order to cancel MAC CE in time
Formula is realized：
In a kind of optional embodiment, S102 and S103 can include：LBT is carried out to the unauthorized carrier cell of base station
Process, and update the frequency of failure in LBT procedure failures；When the frequency of failure after renewal is no more than preset times, repeat
LBT processes are carried out to the unauthorized carrier cell of base station, and in LBT procedure failures the step of the renewal frequency of failure；Determine LBT
When the frequency of failure of process exceedes preset times, cancel MAC CE, by authorizing carrier cell to send a notification message to base station.
Wherein, the unauthorized carrier cell of terminal-pair base station carries out a LBT process, obtains this LBT procedure failure, more
The new frequency of failure, compares whether the frequency of failure after renewal exceedes preset times, if being no more than preset times, when being spaced one section
Between, the unauthorized carrier cell progress LBT processes repeated to base station are returned, obtain this LBT procedure failure, renewal failure
Number；When the frequency of failure after renewal exceedes preset times, then cancel the MAC CE in terminal in MAC layer, carried by authorizing
Ripple cell sends a notification message to base station, and the notification message is used to notify base station terminal to eliminate MAC CE；Wherein, it is above-mentioned each
Interlude can be the same or different between LBT processes；So, by limiting the frequency of failure before success,
LBT still fails during more than preset times, first cancels MAC CE, then sends the notification message for cancelling MAC CE to base station, makes
Obtain base station and know that terminal has eliminated MAC CE in time so that base station can know the current actual conditions of terminal in time, keep away
Exempt from irrational scheduling to occur, improve Consumer's Experience.
Embodiment five
Based on above-described embodiment two, terminal, can be by with lower section in order to ensure the accuracy on the opportunity for cancelling MAC CE
Formula is realized：
In a kind of optional embodiment, S102 and S103 can include：LBT is carried out to the unauthorized carrier cell of base station
Process, and record Time To Failure in LBT procedure failures；When the Time To Failure of record is no more than preset time, repeat pair
The unauthorized carrier cell of base station carries out LBT processes, and in LBT procedure failures the step of record Time To Failure；Determine LBT mistakes
When the successful time of Cheng Chenggong and record is no more than preset time, MAC CE are sent to base station by unauthorized carrier cell, taken
Disappear MAC CE.
Here, terminal can be to generate MAC CE and MAC CE submitted to the physical layer of unauthorized carrier cell in terminal
At the time of be initial time, can also be to perform LBT initial time as initial time, here, the embodiment of the present invention is to initial
Time is not specifically limited；
The unauthorized carrier cell of terminal-pair base station carries out LBT processes, obtains this LBT procedure failure, records this mistake
The time is lost, in the case where Time To Failure is no more than preset time, certain interval of time, return repeats awards to the non-of base station
Weigh carrier cell and carry out LBT processes, obtain this LBT procedure failure, record this Time To Failure；When the success of LBT processes,
The successfully time is recorded, only when the successful time that recorded being no more than preset time, by unauthorized carrier cell in terminal
MAC CE in physical layer are sent to base station by unauthorized carrier cell, then cancel the MAC CE in terminal in MAC layer；Its
In, interlude can be the same or different between above-mentioned LBT processes every time；So, by limiting each Time To Failure
With the success time no more than preset time, MAC CE validity has been ensured as much as possible, then cancel MAC CE so that MAC
CE can reflect the current actual conditions of terminal exactly, and then cause base station to be based on information exactly and be scheduled and control
System, avoid irrational scheduling and occur, improve Consumer's Experience.
For example, there are 3 cells for base station 1, cell 1 is to authorize carrier cell, and cell 2 and cell 3 are unauthorized
Carrier cell, dual link scene, multiple base stations be present, for each base station, terminal is all to carry out carrier aggregation, therefore for
The process of each base station is consistent with below step；
Terminal is established with cell 1 and is connected, and due to portfolio increase, base station 1 increases cell according to measurement report to terminal
2, Fig. 4 be another optional schematic flow sheet in the control cell canceling method in the embodiment of the present invention, as shown in figure 4, band
The horizontal line of arrow represents time shaft, has marked T1 moment, T2 moment and T3 moment on time shaft, then above-mentioned control cell cancellation side
Method includes：
S401：When path loss change exceedes appointed threshold, terminal calculates current PH, for example is 39, forms PHR MAC
CE, wherein, it is 39 that current PH is included in PHR, and terminal submits to PHR the physical layer of cell 2, writes down time started T1, no
Cancel or delete the PHR of the triggering；
S402：Terminal carries out the LBT processes (LBT1) of cell 2, and result is failure, and current time T2, distance T1 are
3ms, less than 10ms；
S403：By certain time interval, terminal carries out the LBT processes (LBT2) of cell 2 again, and result is success,
Record current time is T3, and distance T1 is 9ms, less than 10ms, cancels BSR, the PHR, and by the physical layer of cell in terminal 2
PHR sent by cell 2 to base station；
S404：Base station receives the PHR that terminal reports, and according to the size of power headroom, adjusts transmit power, notifies terminal.
S405：Terminal receives power adjustment commands, and transmit power is adjusted according to order.
Embodiment six
Based on above-described embodiment one, terminal is sent to base station in order to avoid MAC CE time-out, can be come in the following manner
Realize：
In a kind of optional embodiment, S102 and S103 can include：LBT is carried out to the unauthorized carrier cell of base station
Process, and record Time To Failure in LBT procedure failures；When the Time To Failure of record is no more than preset time, repeat pair
The unauthorized carrier cell of base station carries out LBT processes, and in LBT procedure failures the step of record Time To Failure；It is determined that reach
During preset time during LBT procedure failures, cancel MAC CE, by authorizing carrier cell to send MAC CE to base station.
Specifically, terminal can be to generate MAC CE and MAC CE submitted to the thing of unauthorized carrier cell in terminal
It is initial time at the time of managing layer, can also be to perform LBT initial time as initial time, the embodiment of the present invention is to first here
Time beginning is not specifically limited；
The unauthorized carrier cell of terminal-pair base station carries out LBT processes, obtains this LBT procedure failure, records this mistake
The time is lost, in the case where Time To Failure is no more than preset time, certain interval of time, return repeats awards to the non-of base station
Weigh carrier cell and carry out LBT processes, obtain this LBT procedure failure, record this Time To Failure；Until terminal is detected up to pre-
If during the time, when LBT processes are still failed, first cancel the MAC CE in terminal in MAC layer, notification message is then passed through into mandate
Carrier cell is sent to base station, then；So, the LBT processes successful time is performed no more than preset time by limiting, if
Do not succeed in preset time, first cancel MAC CE, then MAC CE are submitted to the physics that carrier cell is authorized in terminal
Layer, the MAC CE in terminal in the physical layer of mandate carrier cell are sent to base station；Wherein, between above-mentioned LBT processes every time
Interlude can be the same or different；So, MAC CE validity has now been ensured, first cancellation MAC CE, then and
When by cancel MAC CE notification message by authorizing carrier cell to send to base station so that base station can know end in time
End has eliminated MAC CE so that base station reasonably can be dispatched and be controlled, and avoided irrational scheduling and occurred, carry
High Consumer's Experience.
For example, there are 3 cells for base station 1, cell 1 is to authorize carrier cell, and cell 2 and cell 3 are unauthorized
Carrier cell, dual link scene, multiple base stations be present, for each base station, terminal is all to carry out carrier aggregation, therefore for
The process of each base station is consistent with below step；
Terminal is established with cell 1 and is connected, and due to portfolio increase, base station 1 increases cell according to measurement report to terminal
2, Fig. 5 be another optional schematic flow sheet in the control cell canceling method in the embodiment of the present invention, as shown in figure 5, band
The horizontal line of arrow represents time shaft, has marked T1 moment, T2 moment and T3 moment on time shaft, then above-mentioned control cell cancellation side
Method includes：
S501：When path loss change exceedes appointed threshold, it is such as 39 that terminal, which calculates current PH, forms PHR MAC CE,
Wherein, it is 39 comprising current PH in MAC CE, submits to the physical layer of cell 2, record current time T1；
S502：Terminal carries out the LBT processes of cell 2, and result is failure (LBT1), and it is T2 to record current time, distance
T1 is 3ms, less than 10ms；
S503：Terminal arrives in the T3 times that detecting distance T1 is 10ms, T3 times, cancels the PHR, by authorizing carrier wave to lead to
Know base station.
Based on same inventive concept, the embodiment of the present invention provides a kind of control cell and cancels device, and Fig. 6 is implemented for the present invention
Cell is controlled to cancel the structural representation of device in example, as shown in fig. 6, the device includes：Generation module 61, execution module 62 and take
The module that disappears 63；
Wherein, generation module 61, for when a triggering condition is met, generating MAC CE；Execution module 62, for base station
Unauthorized carrier cell perform LBT；Cancel module 63, after obtaining LBT implementing result, cancel MAC CE.
Wherein, above-mentioned MAC CE include Buffer Status Report BSR and/or power headroom reporting (PHR) PHR；Above-mentioned trigger condition
Including following any one or multinomial：When arrival upstream data than current ready data have higher priority or
When upstream data reaches currently without ready data, the byte for receiving ascending resource distribution and filling is more than or equal to
BSR, BSR cycle timer time-out, retransmit BSR timer expiries and currently there are ready data, periodic report timer surpasses
When, PHR configuration changes, and activates auxiliary serving cell Scell, and back-off caused by Power Control exceedes appointed threshold.
In a kind of optional embodiment, said apparatus execution module 62, has to send MAC CE in time to base station
Body is used for：LBT processes are carried out to the unauthorized carrier cell of base station；Correspondingly, cancel module 63, be specifically used for：Determine LBT mistakes
During Cheng Chenggong, MAC CE are sent to base station by unauthorized carrier cell, cancel MAC CE.
In a kind of optional embodiment, sent to ensure to the MAC CE of base station accuracy, execution module 62, bag
Include：First implementation sub-module, for carrying out LBT processes to the unauthorized carrier cell of base station, and updated in LBT procedure failures
The frequency of failure；First triggering submodule, when being no more than preset times for the frequency of failure after renewal, triggering first performs submodule
Block performs carries out LBT processes to the unauthorized carrier cell of base station, and updates the frequency of failure in LBT procedure failures；Correspondingly,
Cancel module 63 to be specifically used for：When the frequency of failure after determining the success of LBT processes and updating is no more than preset times, by non-
Authorize carrier cell to send MAC CE to base station, cancel MAC CE.
In a kind of optional embodiment, execution module 62, it is specifically used for：Second implementation sub-module, for base station
Unauthorized carrier cell carries out LBT processes, and updates the frequency of failure in LBT procedure failures；Second triggering submodule, for more
When the frequency of failure after new is no more than preset times, the second implementation sub-module of triggering performs small to the unauthorized carrier wave of the base station
Area carries out LBT processes, and updates the frequency of failure in LBT procedure failures；Correspondingly, cancel module 63, be specifically used for：It is determined that
When the frequency of failure of LBT processes exceedes preset times, cancel MAC CE, by authorizing carrier cell to send a notification message to base
Stand.
In a kind of optional embodiment, sent to ensure to the MAC CE of base station validity, execution module 62, bag
Include：3rd implementation sub-module, for carrying out LBT processes to the unauthorized carrier cell of base station, and recorded in LBT procedure failures
Time To Failure；3rd triggering submodule, when the Time To Failure for record is no more than preset time, triggers the 3rd implementation sub-module
Perform and LBT processes are carried out to the unauthorized carrier cell of base station, and Time To Failure is recorded in LBT procedure failures；Correspondingly, take
The module that disappears 63, is specifically used for：When determining that the Time To Failure of the success of LBT processes and record is no more than preset time, by unauthorized
Carrier cell sends MAC CE to base station, cancels MAC CE.
In a kind of optional embodiment, in order to avoid MAC CE time-out is sent to base station, execution module 62, including：The
Four implementation sub-modules, for carrying out LBT processes to the unauthorized carrier cell of base station, and failure is recorded in LBT procedure failures
Time；4th triggering submodule, when the Time To Failure for record is no more than preset time, the 4th implementation sub-module of triggering performs
LBT processes are carried out to the unauthorized carrier cell of base station, and Time To Failure is recorded in LBT procedure failures；Correspondingly, mould is cancelled
Block 63, is specifically used for：It is determined that when reaching preset time during LBT procedure failures, cancel MAC CE, by authorizing carrier cell to send
MAC CE are to base station.
In actual applications, generation module 61, execution module 62 and cancellation module 63 can be by the centres positioned at device
Manage device (CPU, Central Processing Unit), microprocessor (MPU, Microprocessor Unit), special integrated
Circuit (ASIC, Application Specific Integrated Circuit) or field programmable gate array (FPGA,
Field-Programmable Gate Array) etc. realize.
Based on same inventive concept, the embodiment of the present invention provides a kind of terminal, and Fig. 7 is the knot of terminal in the embodiment of the present invention
Structure is illustrated, as shown in fig. 7, the terminal includes：Memory 71 and processor 72, are stored with that computer is executable to be referred in processor 72
Order, processor 72, for performing computer executable instructions, to realize following operate：When a triggering condition is met, MAC is generated
CE；LBT is performed to the unauthorized carrier cell of base station；After obtaining LBT implementing result, cancel MAC CE.
In a kind of optional embodiment, in order in time cancel MAC CE, the above-mentioned unauthorized carrier cell to base station
Listem-before-talk LBT is performed, after obtaining LBT implementing result, cancels MAC CE, including：The unauthorized carrier cell of base station is entered
Row LBT processes；When determining the success of LBT processes, MAC CE are sent to base station by unauthorized carrier cell, cancel MAC CE.
In a kind of optional embodiment, further, terminal is sent to the MAC CE of base station accuracy to ensure,
The above-mentioned unauthorized carrier cell to base station performs listem-before-talk LBT, after obtaining LBT implementing result, cancels MAC CE, bag
Include：LBT processes are carried out to the unauthorized carrier cell of base station, and the frequency of failure is updated in LBT procedure failures；Mistake after renewal
When losing number and being no more than preset times, repeat and LBT processes are carried out to the unauthorized carrier cell of base station, and in LBT processes
The step of frequency of failure is updated during failure；When the frequency of failure after determining the success of LBT processes and updating is no more than preset times,
MAC CE are sent to base station by unauthorized carrier cell, cancel MAC CE.
In a kind of optional embodiment, when LBT fails, terminal is above-mentioned to base station in order to cancel MAC CE in time
Unauthorized carrier cell perform listem-before-talk LBT, after obtaining LBT implementing result, cancel MAC CE, including：To base station
Unauthorized carrier cell carries out LBT processes, and updates the frequency of failure in LBT procedure failures；The frequency of failure after renewal does not surpass
When crossing preset times, repeat and LBT processes are carried out to the unauthorized carrier cell of the base station, and in LBT procedure failures
The step of updating the frequency of failure；When determining that the frequency of failure of LBT processes exceedes preset times, cancel MAC CE, carried by authorizing
Ripple cell sends a notification message to base station.
In a kind of optional embodiment, terminal is above-mentioned to base station in order to ensure the accuracy on the opportunity for cancelling MAC CE
Unauthorized carrier cell perform listem-before-talk LBT, after obtaining LBT implementing result, cancel MAC CE, including：To base station
Unauthorized carrier cell carries out LBT processes, and records Time To Failure in LBT procedure failures；The Time To Failure of record is no more than
During preset time, repeat and LBT processes are carried out to the unauthorized carrier cell of base station, and record and lose in LBT procedure failures
The step of losing the time；When determining that the Time To Failure of the success of LBT processes and record is no more than preset time, pass through unauthorized carrier wave
Cell sends MAC CE to base station, cancels MAC CE.
In a kind of optional embodiment, terminal is sent to base station in order to avoid MAC CE time-out, above-mentioned to the non-of base station
Authorize carrier cell to perform listem-before-talk LBT, after obtaining LBT implementing result, cancel MAC CE, including：The non-of base station is awarded
Weigh carrier cell and carry out LBT processes, and Time To Failure is recorded in LBT procedure failures；The Time To Failure of record is no more than default
During the time, repeat and LBT processes are carried out to the unauthorized carrier cell of base station, and in LBT procedure failures during record failure
Between the step of；It is determined that when reaching preset time during LBT procedure failures, cancel MAC CE, by authorizing carrier cell to send MAC
CE is to base station.
The present embodiment records a kind of computer-readable medium, can be ROM (for example, read-only storage, FLASH memory,
Transfer device etc.), magnetic storage medium (for example, tape, disc driver etc.), optical storage medium is (for example, CD-ROM, DVD-
ROM, paper card, paper tape etc.) and other well-known types program storage；Computer is stored with computer-readable medium to be held
Row instruction, when executing an instruction, causes at least one computing device to include following operation：
When a triggering condition is met, MAC CE are generated；Listem-before-talk LBT is performed to the unauthorized carrier cell of base station；
To after LBT implementing result, cancel MAC CE.
The control cell canceling method that the embodiment of the present invention is provided, when a triggering condition is met, terminal generation MAC CE,
Then LBT is performed to unauthorized carrier cell, after obtaining LBT implementing result, cancels MAC CE, so, no matter perform knot
Fruit is successfully or failed, and MAC CE in terminal now be present so that the MAC CE of terminal can be sent to base station, avoided
When implementing result is fails, terminal can not send MAC CE, cause base station can not know the current actual conditions of terminal, by upper
Method is stated, after LBT implementing result is obtained, cancels MAC CE, then, row data communication is being entered by unlicensed spectrum
When, when LBT fails, terminal can send MAC CE in time so that and base station can know the current actual conditions of terminal, and according to
The current MAC CE of terminal can be dispatched reasonably.
It need to be noted that be：The description of apparatus above and terminal embodiment item, with the above method description be it is similar,
With same embodiment of the method identical beneficial effect, therefore do not repeat.For not draped over one's shoulders in apparatus of the present invention and terminal embodiment
The ins and outs of dew, those skilled in the art refer to the description of the inventive method embodiment and understand, to save length, this
In repeat no more.
It need to be noted that be：
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is relevant with embodiment
During special characteristic, structure or characteristic are included at least one embodiment of the present invention.Therefore, occur everywhere in entire disclosure
" in one embodiment " or " in one embodiment " identical embodiment is not necessarily referred to.In addition, these specific feature, knots
Structure or characteristic can combine in one or more embodiments in any suitable manner.It should be understood that in the various implementations of the present invention
In example, the size of the sequence number of above-mentioned each process is not meant to the priority of execution sequence, and the execution sequence of each process should be with its work(
It can be determined with internal logic, the implementation process without tackling the embodiment of the present invention forms any restriction.The embodiments of the present invention
Sequence number is for illustration only, does not represent the quality of embodiment.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements not only include those key elements, and
And also include the other element being not expressly set out, or also include for this process, method, article or device institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Other identical element also be present in the process of key element, method, article or device.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, it can be passed through
Its mode is realized.Apparatus embodiments described above are only schematical, for example, the division of the unit, is only
A kind of division of logic function, there can be other dividing mode when actually realizing, such as：Multiple units or component can combine, or
Another system is desirably integrated into, or some features can be ignored, or do not perform.In addition, shown or discussed each composition portion
Point mutual coupling or direct-coupling or communication connection can be the INDIRECT COUPLINGs by some interfaces, equipment or unit
Or communication connection, can be electrical, mechanical or other forms.
The above-mentioned unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location；Both a place can be located at, multiple network lists can also be distributed to
In member；Partly or entirely unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in various embodiments of the present invention can be fully integrated into a processing unit, also may be used
To be each unit individually as a unit, can also two or more units it is integrated in a unit；It is above-mentioned
Integrated unit can both be realized in the form of hardware, can also be realized in the form of hardware adds SFU software functional unit.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
Programmed instruction related hardware is completed, and foregoing program can be stored in computer read/write memory medium, and the program exists
During execution, execution the step of including above method embodiment；And foregoing storage medium includes：Movable storage device, read-only deposit
Reservoir (Read Only Memory, ROM), magnetic disc or CD etc. are various can be with the medium of store program codes.
Or if the above-mentioned integrated unit of the present invention is realized in the form of software function module and is used as independent product
Sale in use, can also be stored in a computer read/write memory medium.Based on such understanding, the present invention is implemented
The part that the technical scheme of example substantially contributes to prior art in other words can be embodied in the form of software product,
The computer software product is stored in a storage medium, including some instructions are causing a computer equipment (can be with
It is personal computer, server or network equipment etc.) perform all or part of each embodiment methods described of the present invention.
And foregoing storage medium includes：Movable storage device, ROM, magnetic disc or CD etc. are various can be with Jie of store program codes
Matter.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (20)
1. one kind control cell canceling method, it is characterised in that including：
When a triggering condition is met, the control cell MAC CE of media control Access Layer are generated；
Listem-before-talk LBT is performed to the unauthorized carrier cell of base station；
After obtaining the implementing result of the LBT, cancel the MAC CE.
2. according to the method for claim 1, it is characterised in that the unauthorized carrier cell to base station performs LBT, obtains
To after the implementing result of the LBT, cancel the MAC CE, including：
LBT processes are carried out to the unauthorized carrier cell of the base station；
When determining the LBT processes success, the MAC CE are sent to the base station by the unauthorized carrier cell, cancelled
The MAC CE.
3. according to the method for claim 2, it is characterised in that the unauthorized carrier cell to base station performs LBT, obtains
To after the implementing result of the LBT, cancel the MAC CE, including：
LBT processes are carried out to the unauthorized carrier cell of the base station, and the frequency of failure is updated in the LBT procedure failures；
When the frequency of failure after renewal is no more than preset times, repeats the unauthorized carrier cell to the base station and enter
Row LBT processes, and in the LBT procedure failures the step of renewal frequency of failure；
When the frequency of failure after determining the LBT processes success and updating is no more than the preset times, by described unauthorized
Carrier cell sends the MAC CE to the base station, cancels the MAC CE.
4. according to the method for claim 1, it is characterised in that the unauthorized carrier cell to base station performs LBT, obtains
To after the implementing result of the LBT, cancel the MAC CE, including：
LBT processes are carried out to the unauthorized carrier cell of the base station, and the frequency of failure is updated in the LBT procedure failures；
When the frequency of failure after renewal is no more than preset times, repeats the unauthorized carrier cell to the base station and enter
Row LBT processes, and in the LBT procedure failures the step of renewal frequency of failure；
When determining that the frequency of failure of the LBT processes exceedes the preset times, cancel the MAC CE, by authorizing carrier wave small
Area sends a notification message to the base station.
5. according to the method for claim 2, it is characterised in that the unauthorized carrier cell to base station performs LBT, obtains
To after the implementing result of the LBT, cancel the MAC CE, including：
LBT processes are carried out to the unauthorized carrier cell of the base station, and Time To Failure is recorded in the LBT procedure failures；
When the Time To Failure of record is no more than preset time, repeats the unauthorized carrier cell to the base station and carry out
LBT processes, and in the LBT procedure failures the step of record Time To Failure；
When determining that the successful time of the LBT processes success and record is no more than the preset time, pass through the unauthorized load
Ripple cell sends the MAC CE to the base station, cancels the MAC CE.
6. according to the method for claim 1, it is characterised in that the unauthorized carrier cell to base station performs LBT, obtains
To after the implementing result of the LBT, cancel the MAC CE, including：
LBT processes are carried out to the unauthorized carrier cell of the base station, and Time To Failure is recorded in the LBT procedure failures；
When the Time To Failure of record is no more than preset time, repeats the unauthorized carrier cell to the base station and carry out
LBT processes, and in the LBT procedure failures the step of record Time To Failure；
It is determined that when the LBT processes are failed when reaching the preset time, cancel the MAC CE, by authorizing carrier cell
Send a notification message to the base station.
7. according to the method for claim 1, it is characterised in that the MAC CE include Buffer Status Report BSR and/or
Power headroom reporting (PHR) PHR.
8. according to the method for claim 1, it is characterised in that the trigger condition includes following any one or more
：
When arrival upstream data than current ready data have higher priority or when upstream data reaches it is current
The data being not ready for, the byte for receiving ascending resource distribution and filling are more than or equal to BSR, and BSR cycle timers are overtime,
Retransmit BSR timer expiries and currently have ready data, periodic report timer expiry, PHR configuration changes, and swashs
Auxiliary serving cell Scell living, back-off caused by Power Control exceed appointed threshold.
9. one kind control cell cancels device, it is characterised in that including：
Generation module, for when a triggering condition is met, generation media to control the control cell MACCE of Access Layer；
Execution module, for performing listem-before-talk LBT to the unauthorized carrier cell of base station；
Cancel module, after obtaining the implementing result of the LBT, cancel the MAC CE.
10. device according to claim 9, it is characterised in that
The execution module, is specifically used for：LBT processes are carried out to the unauthorized carrier cell of the base station；
Correspondingly, the cancellation module, is specifically used for：When determining the LBT processes success, pass through the unauthorized carrier cell
The MAC CE are sent to the base station, cancel the MAC CE.
11. device according to claim 10, it is characterised in that
The execution module, including：
First implementation sub-module, for carrying out LBT processes to the unauthorized carrier cell of the base station, and in the LBT processes
The frequency of failure is updated during failure；
First triggering submodule, when being no more than preset times for the frequency of failure after renewal, triggering described first performs submodule
Block performs the unauthorized carrier cell to the base station and carries out a LBT process, and is updated in the LBT procedure failures
The frequency of failure；
Correspondingly, the cancellation module, is specifically used for：The frequency of failure after determining the LBT processes success and updating is no more than
During the preset times, the MAC CE are sent to the base station by the unauthorized carrier cell, cancel the MAC CE.
12. device according to claim 9, it is characterised in that
The execution module, including：
Second implementation sub-module, for carrying out LBT processes to the unauthorized carrier cell of the base station, and in the LBT processes
The frequency of failure is updated during failure；
Second triggering submodule, when being no more than preset times for the frequency of failure after renewal, triggering described second performs submodule
Block performs the unauthorized carrier cell to the base station and carries out LBT processes, and failure is updated in the LBT procedure failures
Number；
Correspondingly, the cancellation module, when the frequency of failure specifically for determining the LBT processes exceedes the preset times,
Cancel the MAC CE, by authorizing carrier cell to send a notification message to the base station.
13. device according to claim 10, it is characterised in that
The execution module, including：
3rd implementation sub-module, for carrying out LBT processes to the unauthorized carrier cell of the base station, and in the LBT processes
Time To Failure is recorded during failure；
3rd triggering submodule, when the Time To Failure for record is no more than preset time, triggers the 3rd implementation sub-module
Perform the unauthorized carrier cell to the base station and carry out LBT processes, and in the LBT procedure failures during record failure
Between；
Correspondingly, the cancellation module, is specifically used for：Determine that the Time To Failure of the LBT processes success and record is no more than institute
When stating preset time, the MAC CE are sent to the base station by the unauthorized carrier cell, cancel the MAC CE.
14. device according to claim 9, it is characterised in that
The execution module, including：
4th implementation sub-module, for carrying out LBT processes to the unauthorized carrier cell of the base station, and in the LBT processes
Time To Failure is recorded during failure；
4th triggering submodule, when the Time To Failure for record is no more than preset time, triggers the 4th implementation sub-module
Perform the unauthorized carrier cell to the base station and carry out LBT processes, and in the LBT procedure failures during record failure
Between；
Correspondingly, the cancellation module, is specifically used for：It is determined that when the LBT processes are failed when reaching the preset time, take
Disappear the MAC CE, by authorizing carrier cell to send a notification message to the base station.
15. device according to claim 9, it is characterised in that the MAC CE include Buffer Status Report BSR and/
Or power headroom reporting (PHR) PHR.
16. device according to claim 9, it is characterised in that the trigger condition includes following any one or more
：
When arrival upstream data than current ready data have higher priority or when upstream data reaches it is current
The data being not ready for, the byte for receiving ascending resource distribution and filling are more than or equal to BSR, and BSR cycle timers are overtime,
Retransmit BSR timer expiries and currently have ready data, periodic report timer expiry, PHR configuration changes, and swashs
Auxiliary serving cell Scell living, back-off caused by Power Control exceed appointed threshold.
A kind of 17. terminal, it is characterised in that including memory and processor,
Computer executable instructions are stored with the processor,
The processor, for performing the computer executable instructions, to realize following operate：
When a triggering condition is met, the control cell MAC CE of media control Access Layer are generated；
Listem-before-talk LBT is performed to the unauthorized carrier cell of base station；
After obtaining the implementing result of the LBT, cancel the MAC CE.
18. terminal according to claim 17, the unauthorized carrier cell to base station performs listem-before-talk LBT, obtains
To after the implementing result of the LBT, cancel the MAC CE, including：
LBT processes are carried out to the unauthorized carrier cell of the base station；
When determining the LBT processes success, the MAC CE are sent to the base station by the unauthorized carrier cell, cancelled
The MAC CE.
19. terminal according to claim 18, listem-before-talk LBT is performed to the unauthorized carrier cell of base station, obtain
After the implementing result of the LBT, cancel the MAC CE, including：
LBT processes are carried out to the unauthorized carrier cell of the base station, and the frequency of failure is updated in the LBT procedure failures；
When the frequency of failure after renewal is no more than preset times, repeats the unauthorized carrier cell to the base station and enter
Row LBT processes, and in the LBT procedure failures the step of renewal frequency of failure；
When the frequency of failure after determining the LBT processes success and updating is no more than the preset times, by described unauthorized
Carrier cell sends the MAC CE to the base station, cancels the MAC CE.
20. terminal according to claim 17, the unauthorized carrier cell to base station performs listem-before-talk LBT, obtains
To after the implementing result of the LBT, cancel the MAC CE, including：
LBT processes are carried out to the unauthorized carrier cell of the base station, and Time To Failure is recorded in the LBT procedure failures；
When the Time To Failure of record is no more than preset time, repeats the unauthorized carrier cell to the base station and carry out
LBT processes, and in the LBT procedure failures the step of record Time To Failure；
It is determined that when the LBT processes are failed when reaching the preset time, cancel the MAC CE, by authorizing carrier cell
Send a notification message to the base station.
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