CN109905926A - Suitable for the adaptive configuring method of unauthorized frequency range, device, terminal, medium, system - Google Patents
Suitable for the adaptive configuring method of unauthorized frequency range, device, terminal, medium, system Download PDFInfo
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- CN109905926A CN109905926A CN201910229014.3A CN201910229014A CN109905926A CN 109905926 A CN109905926 A CN 109905926A CN 201910229014 A CN201910229014 A CN 201910229014A CN 109905926 A CN109905926 A CN 109905926A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The application provides adaptive configuring method, device, terminal, the medium, system for being suitable for unauthorized frequency range, and the application is intended to provide the technical solution that not only can solve Time Delay of Systems but also can take into account energy saving of system efficiency, to adapt to unauthorized frequency range scene.I.e., when channel duration is occupied by Wi-Fi or other wireless devices in the unlatching received duration in DRX cycle, the unlatching duration in DRX cycle can be adaptive extension, so that data under unauthorized frequency range be enabled to transmit the influence for being no longer limited by LBT mechanism.So the application effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
Description
Technical field
This application involves fields of communication technology, more particularly to adaptive configuring method, the dress for being suitable for unauthorized frequency range
It sets, terminal, medium, system.
Background technique
The shortage of wireless frequency spectrum is the basic problem that wireless communication faces.In order to increase usable spectrum, awarded using non-
It is a kind of solution that power frequency range, which carries out communication,.In the mobile communication system based on 4G-LTE, it can be connect using license auxiliary
(License Assisted Access, LAA) technology is entered to use unauthorized frequency range under the auxiliary of authorized spectrum band.For example, with
Machine access procedure is completed in authorized spectrum band, carries out data transmission process in unauthorized frequency range later.In the new radio of 5G
In the unauthorized band communication of (New Radio, NR), the LAA technology based on 4G-LTE has spread over plurality of application scenes.It needs
The DRX process under unauthorized frequency range is explored in 5G NR-U (NR-Unlicensed) scene.
In order to use the unauthorized resource of frequency range, operation with systems justices such as other access technologies such as Wi-Fi, radar
Quotient needs to detect before using unauthorized frequency range channel busy-idle condition, i.e. LBT (Listen Before Talk) mechanism, with this
Guarantee NR-U can with other technologies are fair competing deposit and coexist.
LBT mechanism need to be applied first by carrying out communication in unauthorized frequency range, in the drx mode, there are when user equipment unlatching,
The case where being occupied due to channel by other systems such as Wi-Fi, base station cannot effectively transmit user's tune when user equipment is opened
Information is spent to user equipment, causes the delay of information excessive.In order to solve the problems, such as DRX in unauthorized frequency range, there is currently as follows
Solution: 1, monitor the PDCCH in unauthorized frequency range cell using the longer open state duration, but will increase
The power consumption of user equipment has violated the original intention of DRX technical energy saving.2, using different in authorized spectrum band and unauthorized frequency range
DRX configuration, but this can bring higher complexity to system.
Apply for content
In view of the foregoing deficiencies of prior art, the application is designed to provide suitable for the adaptive of unauthorized frequency range
Configuration method, device, terminal, medium, system are answered, for solving in unauthorized frequency range in the prior art under DRX mode, information is prolonged
Problem excessive late.
In order to achieve the above objects and other related objects, the first aspect of the application provides a kind of suitable for unauthorized frequency range
DRX adaptive configuring method comprising: enable user equipment continuously carry out idle channel when in received state is opened and comment
Estimation examination；In the case where the result that the clear channel assessment (CCA) is tested is successful situation, user equipment is enabled to be in unlatching received
The period of state is a preset fixed period；In the feelings that the result of clear channel assessment (CCA) test is partly or entirely failure
Under condition, the period for enabling user equipment be in the received state of unlatching extends to the on-fixed period, is existed with meeting the user equipment
It is discontinuous to receive the demand that data receiver is carried out under DRX mode.
In some embodiments of the first aspect of the application, the user equipment is in the period for opening received state
It is determined by drx-onDurationTimer timer；Wherein, when the drx-onDurationTimer timer timing terminates
Before, user equipment, which is in, opens received state；After the drx-onDurationTimer timer timing, user
Equipment, which is in, closes received state.
In some embodiments of the first aspect of the application, the drx-onDurationTimer timer default one
Preset parameter；
It is failure in the result of clear channel assessment (CCA) test in some embodiments of the first aspect of the application
In the case of, enable the drx-onDurationTimer timer time out, until clear channel assessment (CCA) test result be at
Function.
In order to achieve the above objects and other related objects, the second aspect of the application provides a kind of suitable for unauthorized frequency range
DRX adaptive configuration device comprising: clear channel assessment (CCA) test module, for enable user equipment in open receive
State when to each frame be carried out clear channel assessment (CCA) test；Adaptive configuration module, in the clear channel assessment (CCA)
The result of test is to enable user equipment in when the period for opening received state is one preset fixed in successful situation
Section；And for enabling user equipment be in the case where the result that the clear channel assessment (CCA) is tested is partly or entirely failure
The period for opening received state extends to the on-fixed period, is discontinuously being received under DRX mode with meeting the user equipment
Carry out the demand of data receiver.
In some embodiments of the second aspect of the application, the user equipment is in the period for opening received state
It is determined by drx-onDurationTimer timer；Wherein, when the drx-onDurationTimer timer timing terminates
Before, user equipment, which is in, opens received state；After the drx-onDurationTimer timer timing, user
Equipment, which is in, closes received state.
In some embodiments of the second aspect of the application, the drx-onDurationTimer timer default one
Preset parameter；
In some embodiments of the second aspect of the application, the adaptive configuration module is in the clear channel assessment (CCA)
In the case that the result of test is failure, the drx-onDurationTimer timer time out is enabled, and enable the user
Equipment monitors common downlink control channel PDCCH, and opens when the user equipment is scheduled the transmission of communicating downlink data
It opens drx-onDurationTimer timer and carries out timing.
In order to achieve the above objects and other related objects, the third aspect of the application provides a kind of computer-readable storage medium
Matter is stored thereon with computer program, realizes when the computer program is executed by processor described suitable for unauthorized frequency range
DRX adaptive configuring method.
In order to achieve the above objects and other related objects, the fourth aspect of the application provides a kind of user terminal comprising
Processor, memory and communicator；The memory is for storing computer program；The communicator is used for and other equipment
Communication connection；The processor is used to execute the computer program of the memory storage, so that the user terminal executes institute
State the DRX adaptive configuring method suitable for unauthorized frequency range.
In order to achieve the above objects and other related objects, the 5th aspect of the application provides a kind of suitable for unauthorized frequency range
DTX adaptive configuring method, be applied to base station, which comprises enable base station in open send state when continue
Execute clear channel assessment (CCA) test；In the case where the clear channel assessment result is successful situation, base station is enabled to think this cell
The interior user terminal for enabling DRX mechanism, which is in, opens the period, and the period that can receive PDCCH is a preset fixed period, base
It stands and is handed down to the user terminal of enabling DRX mechanism if any PDCCH, then fix in the period and issue herein；It is commented in the idle channel
In the case that the result of estimation examination is partly or entirely failure, base station is enabled to think the user terminal for enabling DRX mechanism in this cell,
The period that PDCCH can be received extends to the on-fixed period, is counted with meeting the base station under discontinuous transmitting DTX mode
According to the demand of transmission, base station is handed down to the user terminal for enabling DRX mechanism if any PDCCH, then can be within this on-fixed period
It issues.
In order to achieve the above objects and other related objects, the 6th aspect of the application provides a kind of suitable for unauthorized frequency range
DTX adaptive configuration device comprising: clear channel assessment (CCA) test module, for enable base station in open send shape
Clear channel assessment (CCA) test is continuously carried out when state；Adaptive configuration module, the result for being tested in the clear channel assessment (CCA)
To enable base station think in this cell range in successful situation, the user terminal for enabling DRX mechanism is in the state opened and sent
Period be a preset fixed period；And for being partly or entirely failure in the result that the clear channel assessment (CCA) is tested
In the case of, enable base station think in this cell range, the period for the state that the user terminal for enabling DRX mechanism is in unlatching transmission prolongs
The needs of growing to the on-fixed period, carrying out data transmission to meet the base station under discontinuous transmitting DTX mode.
In order to achieve the above objects and other related objects, the 7th aspect of the application provides a kind of computer-readable storage medium
Matter is stored thereon with computer program, realizes when the computer program is executed by processor described suitable for unauthorized frequency range
DTX adaptive configuring method.
In order to achieve the above objects and other related objects, the eighth aspect of the application provides a kind of base station comprising processing
Device, memory and communicator；The memory is for storing computer program；The communicator with other equipment for communicating
Connection；The processor is used to execute the computer program of the memory storage, so as to be suitable for described in the execution of the base station
The DTX adaptive configuring method of unauthorized frequency range.
In order to achieve the above objects and other related objects, the 9th aspect of the application provides a kind of suitable for unauthorized frequency range
Communication system comprising at least one described base station and at least one described user terminal.
As described above, the application suitable for the adaptive configuring method of unauthorized frequency range, device, terminal, medium, be
System, has the advantages that the application is intended to provide the technology that not only can solve Time Delay of Systems but also can take into account energy saving of system efficiency
Solution, to adapt to unauthorized frequency range scene.That is, channel duration is by Wi- in unlatching received duration in the DRX cycle
When Fi or other wireless devices occupy, the extension that the unlatching duration in DRX cycle can be adaptive, based on similar original
Reason, the extension that the unlatching sending duration in the DTX period also can be adaptive, so that the data in unauthorized frequency range be enabled to transmit not
It is limited by the influence of LBT mechanism again.So the application effectively overcomes various shortcoming in the prior art and has high industrial benefit
With value.
Detailed description of the invention
The process that Fig. 1 is shown as the DRX adaptive configuring method in one embodiment of the application suitable for unauthorized frequency range is shown
It is intended to.
Fig. 2 is shown as operation chart of the user equipment in DRX cycle in one embodiment of the application.
Fig. 3 is shown as operation chart of the user equipment in DRX cycle in one embodiment of the application.
Fig. 4 is shown as operation signal of the user equipment in long DRX cycle and short DRX cycle in one embodiment of the application
Figure.
Fig. 5 is shown as operating mode of the user equipment based on existing drx-onDurationTimer timer script
Schematic diagram.
Fig. 6 is shown as showing for the operating mode of drx-onDurationTimer timer script in one embodiment of the application
It is intended to.
Fig. 7 be shown as in one embodiment of the application based on drx-onDurationTimer timer different working modes into
The schematic diagram of the comparison result of row data transmission.
Fig. 8 is shown as the schematic diagram in one embodiment of the application suitable for the DRX adaptive configuration device of unauthorized frequency range.
Fig. 9 is shown as the structural schematic diagram of user terminal in one embodiment of the application.
Figure 10 is shown as being suitable for the schematic diagram of unauthorized frequency range DTX adaptive configuring method in one embodiment of the application.
Figure 11 is shown as being suitable for the schematic diagram of unauthorized frequency range DTX adaptive configuration device in one embodiment of the application.
Figure 12 is shown as the structural schematic diagram of base station in one embodiment of the application.
Specific embodiment
Illustrate presently filed embodiment below by way of specific specific example, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the application easily.The application can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit herein.It should be noted that in the absence of conflict, following embodiment and implementation
Feature in example can be combined with each other.
It should be noted that with reference to attached drawing, attached drawing describes several embodiments of the application in described below.It should
Understand, other embodiments also can be used, and mechanical group can be carried out without departing substantially from spirit and scope
At, structure, electrical and operational change.Following detailed description should not be considered limiting, and the application
The range of embodiment only limited by the claims for the patent announced.Term used herein is merely to description is specific
Embodiment, and it is not intended to limit the application.The term of space correlation, for example, "upper", "lower", "left", "right", " following ", " under
Side ", " lower part ", " top ", " top " etc. can be used in the text in order to elements or features shown in explanatory diagram and another
The relationship of one elements or features.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation ",
Terms such as " fixings " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；
It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in this application.
Furthermore as used in herein, singular " one ", "one" and "the" are intended to also include plural number shape
Formula, unless there is opposite instruction in context.It will be further understood that term "comprising", " comprising " show that there are the spies
Sign, operation, element, component, project, type, and/or group, but it is not excluded for one or more other features, operation, element, group
Presence, appearance or the addition of part, project, type, and/or group.Term "or" and "and/or" used herein are interpreted as including
Property, or mean any one or any combination.Therefore, " A, B or C " or " A, B and/or C " mean " it is following any one:
A；B；C；A and B；A and C；B and C；A, B and C ".Only when the combination of element, functions or operations is inherently mutual under certain modes
When repulsion, it just will appear the exception of this definition.
The shortage of wireless frequency spectrum is the basic problem that wireless communication faces.In order to increase usable spectrum, awarded using non-
It is a kind of solution that power frequency range, which carries out communication,.LBT mechanism, but user equipment (UE) need to be utilized by carrying out communication in unauthorized frequency range
Also it is influenced by LBT, needs the longer open state duration to monitor the PDCCH in unauthorized frequency range cell, thus
It will increase power consumption, this has violated the original intention of DRX technical energy saving.In addition, using different in authorized spectrum band and unauthorized frequency range
Configuration can bring high complexity to system.
It is present in variety of problems in the prior art in view of above-mentioned, what the application proposed is suitable for the adaptive of unauthorized frequency range
Answer configuration method, device, terminal, medium, system, it is desirable to provide not only can solve Time Delay of Systems but also energy saving of system efficiency can be taken into account
Technical solution, to adapt to unauthorized frequency range scene.That is, when channel duration in the unlatching received duration in DRX cycle
When being occupied by Wi-Fi or other wireless devices, the extension that the unlatching duration in DRX cycle can be adaptive, to enable non-
Data transmission under authorized spectrum band is no longer limited by the influence of LBT mechanism.
As shown in Figure 1, showing the stream for being suitable for the DRX adaptive configuring method of unauthorized frequency range in one embodiment of the application
Journey schematic diagram.In this present embodiment, the method passes through the work for changing drx-onDurationTimer timer in the prior art
Operation mode, to realize the discontinuous adaptive configuration for receiving DRX.
In order to facilitate the understanding of those skilled in the art, hereafter first with regard to LBT mechanism, DRX mechanism and drx- in the prior art
The operating mode of onDurationTimer timer does corresponding explanation respectively.
LBT (Listen Before Talk) mechanism, refers in unauthorized frequency range, wireless device is starting to transmit it
It is preceding to test its radio environment first.LBT can be used to find the network of permission equipment operation or find in wireless device
The free radio channel to be operated.LBT operation is the basic demand operated in unauthorized frequency range, and non-is awarded most of
It weighs in frequency range and is strictly required by rule.The requirement for executing LBT before being transmitted is suitable for network and user equipment.Since 5G needs
Using arrive unauthorized frequency range, have in unauthorized frequency range execute LBT needs, so to uplink (Up Link, UL) and under
The enhancing of line link (Down Link, DL) some operations is necessary.
DRX (Discontinuous Reception) mechanism, refers to discontinuous reception, in LTE and 5G, discontinuously connects
It receives (DRX) and is used to reduce the consumption of energy to reach the cruising ability for increasing battery.If there is no DRX technology, user equipment
Received state must be stayed open the moment to monitor all common downlink control channels (PDCCH) and monitor scene with true at any time
Recognize its scheduled UL (downlink) data that are used as to transmit.But the property of flow to expression patterns show such state can not
Necessary consumption user's plant capacity.Because flow arrival is paroxysmal.In DRX state, user equipment is set as only existing
PDCCH is monitored in certain times (active time), so as to which the time except active time is used to suspend mode to reduce battery
Consumption.
When user equipment (UE) is configured with the function of DRX, PDCCH will be monitored in the activation phase.If in RRC_CONNECTED
State, is configured with DRX function, and user equipment (UE) then uses the working specification of DRX, discontinuously monitors PDCCH.For convenient for ability
Field technique personnel understand, are further explained now in conjunction with Fig. 2 to DRX cycle.It is with first DRX cycle in scheming
Example, the UE for being configured with DRX function monitors PDCCH in active time, and is then not listening within remaining inactive time
PDCCH。
One group of DRX parameter can be used to configure user equipment in network, and can select this based on the type of application
The specific value of a little parameters, the efficiency that power is saved maximize.It does so the cost paid and is just reduction of network
Persistently reach the ability of user equipment.
In one embodiment, MAC entity can be matched by the RRC (Radio Resource Control) with DRX function
It sets, C-RNTI, CS-RNTI, INT-RNTI, SFI-RNTI, SP- of the DRX function control UE (user equipment) for MAC entity
The monitoring activity of the PDCCH of CSI-RNTI, TPC-PUCCH-RNTI, TPC-PUSCH-RNTI, and TPC-SRS-RNTI.When making
When being operated with DRX, MAC entity should also monitor PDCCH according to the requirement in the sub-clause of other in specification.When in RRC_
When CONNECTED state, if being configured with DRX, the DRX that following formulation can be used in MAC entity is operated discontinuously to supervise
Depending on PDCCH；Otherwise MAC entity will persistently monitor PDCCH.
Specifically, RRC is operated by configuring any one or more of combination of following parameter to control DRX, those ginsengs
Number includes: drx-onDurationTimer, drx-SlotOffset, drx-StartOffset, drx-Inactivity
Timer、drx-RetransmissionTimerDL、drx-RetransmissionTimerUL、drx-LongCycle、drx-
ShortCycle, drx-HARQ-RTT-TimerDL, drx-HARQ-RTT-TimerUL, partial parameters showing in DRX cycle
It is intended to as shown in Figure 3.
Wherein, drx-onDurationTimer is indicated in each DRX cycle, the number of sub frames for the PDCCH that UE needs to monitor
Mesh, and within remaining time, UE can close its receiver；Drx-SlotOffset indicates starting drx-
Delay before onDurationTimer；Drx-StartOffset indicates the subframe that DRX cycle starts；drx-Inactivity
Timer indicates the duration after PDCCH scene, and wherein PDCCH indicates new UL or the DL transmission of MAC entity；drx-
RetransmissionTimerDL, that is, each DL HARQ (mixed automatic retransfer) process, expression receive before downlink retransmission
The maximum duration；Drx-RetransmissionTimerUL, i.e., each UL HARQ (mixed automatic retransfer) process indicate
The maximum duration before receiving uplink retransmission authorization；Drx-LongCycle indicates long DRX cycle；drx-
ShortCycle, the parameter are optional parameters, indicate short DRX cycle；Drx-ShortCycleTimer, the parameter are optional ginseng
Number, indicates short DRX cycle timer；Drx-HARQ-RTT-TimerDL, i.e., each DL HARQ (mixed automatic retransfer) process,
Indicate the minimum duration that MAC entity is intended for before the DL distribution of HARQ procedure re-transmission；drx-HARQ-RTT-
TimerUL, i.e., each UL HARQ (mixed automatic retransfer) process, before indicating that the expected UL HARQ of MAC entity retransmits authorization
Minimum duration.
When a DRX cycle is configured for, active time includes: drx-onDurationTime, drx-
InactivityTimer, drx-RetransmissionTimerDL, drx-RetransmissionTimerUL or Mac-
ContentionResolutionTimer；It or include: to send scheduling request on PUCCH and waiting；Or packet
It includes: being successfully received the random of the non-selected random access lead code of MAC entity in random access lead code competition-based
Access response after, still no indication is received be addressed to MAC entity C-RNTI the PDCCH newly transmitted.
In one embodiment, if being configured with short DRX cycle, UE will after drx-InactivityTimer expires or
Person uses short DRX cycle after receiving a DRX order MAC CE.After if drx-shortCycleTimer expires or
UE will will use long DRX cycle after person receives a DRX order MAC CE, and schematic diagram is as shown in Figure 4.
Data communication under unauthorized frequency range and the data communication under authorized spectrum band are simultaneously different, due to the presence of LBT mechanism,
Base station cannot be guaranteed at any time can scheduling user's set (the User Equipment, UE) at the time of corresponding immediately.It is adjusting base station
Degree downlink transmission before must successfully carry out clear channel assessment (CCA) (Clear Channel Assessment,
CCA).If directly using the DRX mechanism of existing authorized spectrum band, it will lead to a series of problem in unauthorized frequency range.Example
Such as: in current DRX cycle, when there is new data frame to reach, gNB needs to dispatch UE and carries out downlink transmission；This
Shi Ruguo gNB is since the LBT failure within the open state duration in current DRX cycle is without dispatching any downlink
Link data, then the data frame will be unable to be transmitted in current DRX cycle, gNB can only be in the DRX weeks at least next of UE
The problem of scheduled with downlink data transmits in the interim open state duration, this brings is exactly to increase downlink number
According to received delay.
Therefore, instant scheduled as cell in authorized spectrum band in order to enable the cell in unauthorized frequency range to obtain
Ability, influenced by LBT, user equipment (UE) needs longer open state duration small to monitor unauthorized frequency range
PDCCH in area.However, if merely configuring longer unlatching duration timer for UE to monitor in NR-U
PDCCH then inevitably will increase power consumption, this has violated the original intention of DRX technical energy saving.In addition, in authorized spectrum band and non-awarding
In power frequency range high complexity can be brought to system using different configurations.
The working method of drx-onDurationTimer timer are as follows: drx-onDurationTimer timer is preset with
One fixed parameter, the preset parameter are the number for the PDCCH subframe that UE needs to monitor in each DRX cycle, are entered every time
DRX cycle can open drx-onDurationTimer timer, before timer is expired, user after deferred frame
Equipment (UE), which is in, opens received state；After timer is expired, user equipment (UE), which is closed, within other times is received
Machine.
As shown in figure 5, illustrating the signal of the operating mode of drx-onDurationTimer timer in the prior art
Figure.User equipment (UE) is initially at dormant state and judges whether current DRX cycle terminates；If being not finished, continue to judge
Whether current DRX cycle terminates；If having terminated, drx-onDurationTimer timer is opened, to enable the user equipment
In the received state of unlatching.User equipment is enabled to monitor common downlink control after drx-onDurationTimer timer to be opened
Channel PDCCH processed, and judge whether user equipment scheduled and do data transmission.If expired in drx-onDurationtimer
Do not detect that new data frame reaches before, terminal will enter dormant state after drx-onDurationtimer is expired.
If detecting that new data frame reaches before drx-onDurationtimer is expired, drx- is opened
Inactivitytimer timer, user equipment (UE) carry out data transmission, and in drx-Inactivitytimer timing
PDCCH is persistently monitored before device is expired, if there is new data frame reaches, then restarting drx-Inactivitytimer
Timer, until drx-Inactivitytimer timer is expired, user equipment (UE) will enter dormant state.
The operating mode of drx-onDurationTimer timer causes user equipment to be in unlatching reception in the prior art
Period of state be a fixed period, therefore, such as when user equipment is in the open state, channel is by other systems such as Wi-Fi
When system occupies, base station carries out LBT failure, the problem of cannot issuing Downlink Control Information, will cause data transfer delay.
In the application, the operating mode of drx-onDurationTimer timer is different from existing operating mode, leads to
The work of drx-onDurationTimer timer time out is overregulated, user is adaptively configured according to channel occupancy situation
Equipment is in the period for opening received state.Hereafter, the method flow in Fig. 1 will be combined to be further explained explanation.
In step s 11, user equipment is enabled to continuously carry out clear channel assessment (CCA) test when in received state is opened.
It should be noted that terms user equipment interchangeably herein using and can refer to a kind of device, including but not
It is limited to such as cellular or other wireless communication devices, PCS Personal Communications System (PCS) device, personal navigation apparatus (PND), personal letter
Breath manager (PIM), personal digital assistant (PDA), laptop computer can receive wireless communication and/or navigation signal
Other suitable mobile devices etc..
In one embodiment, user equipment (UE) is in the period for opening received state by drx-
OnDurationTimer timer determines；Wherein, before the drx-onDurationTimer timer timing terminates, user
Equipment, which is in, opens received state；After the drx-onDurationTimer timer timing, user equipment is in
Close received state.
The drx-onDurationTimer timer presets a preset parameter；The preset parameter is that the user sets
The number of subframes of the standby common downlink control channel PDCCH for needing to monitor in each DRX cycle.
In step s 12, it in the case where the clear channel assessment result is successful situation, enables user equipment be in and opens
The period of received state is a preset fixed period.
It in one embodiment, is user equipment (UE) in successful situation in the result of clear channel assessment (CCA) test
The state that current channel is in idle can be deduced.Therefore, if can determine whether, without down link data, base station is not adjusted
User equipment is spent, in this case, drx-onDurationTimer timer is operated normally according to original mode.
Specifically, presetting a preset parameter for the drx-onDurationTimer timer；The preset parameter is institute
State the number of subframes for the common downlink control channel PDCCH that user equipment needs to monitor in each DRX cycle, operating mode
It can refer to the flow chart of Fig. 5 displaying.
In step s 13, it in the case where the result of clear channel assessment (CCA) test is partly or entirely failure, enables and using
The period that family equipment is in the received state of unlatching extends to the on-fixed period, is discontinuously being received with meeting the user equipment
The demand of data receiver is carried out under DRX mode.
In one embodiment, in the case where the result of clear channel assessment (CCA) test is failure, the drx- is enabled
OnDurationTimer timer time out, and the user equipment monitoring common downlink control channel PDCCH is enabled, and
The user equipment scheduled communicating downlink data are opened drx-onDurationTimer timer when transmitting and are counted
When.
Specifically, user equipment (UE) can push away in the case where the result of clear channel assessment (CCA) test is failure
Measuring current channel is in occupied state.Therefore, the drx-onDurationTimer timer time out is enabled,
And user equipment (UE) is enabled to monitor common downlink control channel PDCCH.If the user equipment (UE) is scheduled downlink
Data transmission, then enable the user equipment (UE) continue to use the DRX mechanism under authorized spectrum band, to receive DRX mode based on discontinuous
Carry out data transmission；If the user equipment is not scheduled downlink transmission, the user equipment is enabled to carry out down
The clear channel assessment (CCA) of one frame is tested, and until drx-onDurationTimer is expired, user equipment (UE) enters dormant state.
As shown in fig. 6, showing that the operating mode of drx-onDurationTimer timer in the application one embodiment shows
It is intended to.In the adaptive DRX mechanism that the application proposes, after user terminal enters new DRX cycle, first and by one
Open a terminal receive capabilities after deferred frame, and opens drx-onDurationtimer timer, then user equipment (UE)
CCA can be actively executed in each time slot to check, if CCA is checked successfully, illustrate channel idle, this time slot drx-
OnDurationtimer timer can work normally, if CCA inspection has failed, illustrate that channel is just busy, this time slot drx-
OnDurationtimer timer meeting break-off, if do not examined before drx-onDurationtimer timer is expired
It measures new data frame to reach, user equipment (UE) will enter after drx-onDurationtimer timer is expired stops
Dormancy state.If detecting that new data frame reaches before drx-onDurationtimer timer is expired, adaptive DRX
It is identical with the operation that traditional DRX takes, it is all to open drx-Inactivitytimer timer, user equipment (UE) is counted
PDCCH is persistently monitored according to transmission, and before drx-Inactivitytimer timer is expired, if there is new data frame
It reaches, then restarting drx-Inactivitytimer timer, until drx-Inactivitytimer timer is expired,
Terminal will enter dormant state.
Compare Fig. 5 and Fig. 6 it is found that the side that the application passes through change drx-onDurationTimer runs mode
Formula adaptively prolongs the originally fixed user equipment unlatching received period.Received shape is opened when user equipment (UE) is in
When state, user equipment (UE) is carried out clear channel assessment (CCA) test in each frame, carrys out adaptability further according to the result of assessment test
Drx-onDurationTimer timer is controlled, opens receiving time to play the role of being adjusted flexibly user equipment (UE).
As shown in fig. 7, showing drx-onDurationTimer timer different working modes in one embodiment of the application
Data transmit schematic diagram.In first DRX cycle and second DRX cycle, work on hand mode and the application operating mode
Data transmission is all smoothly completed.
But in third DRX cycle, since the operating mode of existing drx-onDurationTimer timer is adopted
It is the fixed period, therefore in DRX cycle, user equipment only monitors PDCCH in " opening received duration ", and " opens
Open received duration " after data just can not be monitored, and then can not be transmitted in current DRX cycle, thus
The delay for causing data to be transmitted.The operating mode of the application drx-onDurationTimer timer using it is flexible from
Adaptive pattern, in the case where the result of clear channel assessment (CCA) test (CCA) is failure, just by drx-onDurationTimer
The timing pause TP of timer, when the result to clear channel assessment (CCA) test (CCA) is successfully, then by drx-
The timing of onDurationTimer timer is opened, thus play the role of effectively extending " opening received duration ", it will
Data to be transmitted can be transmitted in current DRX cycle, the delay for avoiding data from transmitting.
Above, the working principle with regard to the technical solution of the application has done detailed explanation.Hereafter, the application will be combined
Experimental data in one embodiment, to be further elaborated to the technical solution of the application.
In the emulation experiment of the present embodiment, setting DRX cycle is 160ms, and duration T on=is opened in the period
20ms, a Wi-Fi frame 5ms；When the every time slot of Wi-Fi give out a contract for a project probability be 0 when, can be considered the not busy situation of network environment, directly
When connecing using the test of existing DRX mechanism, Time Delay of Systems 61.25ms, energy saving of system efficiency is 87.5%；And use the application
When the adaptive DRX mechanism proposed, Time Delay of Systems 61.25ms, energy saving of system efficiency is 87.5%.
It follows that the adaptive DRX mechanism that the application proposes can guarantee the flat of system when network environment is not busy
Delay is identical with existing DRX mechanism, and energy-efficient effect is also identical.
When using unauthorized frequency range Wi-Fi system when, every time slot give out a contract for a project probability be 0.001 (IEEE802.11ac system,
Slot length is 9 microseconds), every frame length is 5ms, the case where can be considered when network environment is busy, is surveyed using existing DRX mechanism
When examination, Time Delay of Systems 62.9522ms, energy saving of system efficiency is 87.5%；And the adaptive DRX mechanism for using the application to propose
When, Time Delay of Systems 52.3326ms, energy saving of system efficiency is 80.02%.
It follows that existing DRX mechanism is since the accessibility of user terminal is deteriorated, system when network environment is busy
Average retardation will increase, and the adaptive DRX mechanism that the application proposes still can guarantee the unlatching duration in DRX cycle
The data frame of interior arrival can user terminal receive, compared to for existing DRX mechanism, reduce system delay, while only
Increase a small amount of energy consumption.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of computer program is crossed to complete.Computer program above-mentioned can store in a computer readable storage medium
In.When being executed, execution includes the steps that above-mentioned each method embodiment to the program；And storage medium above-mentioned include: ROM,
The various media that can store program code such as RAM, magnetic or disk.
As shown in figure 8, showing the DRX adaptive configuration device for being suitable for unauthorized frequency range in one embodiment of the application, institute
The system of stating includes clear channel assessment (CCA) test module 81 and adaptive configuration module 82.
The clear channel assessment (CCA) test module 81 is for enabling user equipment when in received state is opened to each
Frame is carried out clear channel assessment (CCA) test；The adaptive configuration module 82 is used for the result tested in the clear channel assessment (CCA)
It is a preset fixed period in successful situation, to enable period of the user equipment in the received state of unlatching；And it is used for
In the case that the result of the clear channel assessment (CCA) test is failure, the period for enabling user equipment be in the received state of unlatching prolongs
It grows to the on-fixed period that the user equipment can be made to carry out data transmission based on discontinuous reception DRX mode.
In one embodiment, the user equipment is in the period for opening received state by drx-
OnDurationTimer timer determines；Wherein, before the drx-onDurationTimer timer timing terminates, user
Equipment, which is in, opens received state；After the drx-onDurationTimer timer timing, user equipment is in
Close received state.
In one embodiment, the drx-onDurationTimer timer presets a preset parameter；The preset parameter
For the number of subframes for the common downlink control channel PDCCH that the user equipment needs to monitor in each DRX cycle.
In one embodiment, the adaptive configuration module 82 is failure in the result that the clear channel assessment (CCA) is tested
In the case of, the drx-onDurationTimer timer time out is enabled, and the user equipment is enabled to monitor common downlink control
Channel PDCCH processed, and drx- is opened when the user equipment is scheduled the transmission of communicating downlink data
OnDurationTimer timer carries out timing.
It should be noted that the DRX adaptive configuration device provided in this embodiment suitable for unauthorized frequency range and above
The DRX adaptive configuring method suitable for unauthorized frequency range of middle offer, embodiment is similar, and so it will not be repeated.It additionally needs
What is illustrated is, it should be understood that the division of the modules of apparatus above is only a kind of division of logic function, in actual implementation may be used
It is integrated on a physical entity with all or part of, it can also be physically separate.And these modules can be all logical with software
The form for crossing processing element calling is realized；It can also all realize in the form of hardware；Processing elements can be passed through with part of module
Part calls the form of software to realize that part of module passes through formal implementation of hardware.For example, clear channel assessment (CCA) test module module
It can be the processing element individually set up, also can integrate and realized in some chip of above-mentioned apparatus, in addition it is also possible to
The form of program code is stored in the memory of above-mentioned apparatus, called by some processing element of above-mentioned apparatus and executed with
The function of upper clear channel assessment (CCA) test module module.The realization of other modules is similar therewith.Furthermore these module wholes or portion
Dividing can integrate together, can also independently realize.Processing element described here can be a kind of integrated circuit, have signal
Processing capacity.During realization, each step of the above method or the above modules can be by processor elements
The integrated logic circuit of hardware or the instruction of software form are completed.
For example, the above module can be arranged to implement one or more integrated circuits of above method, such as:
One or more specific integrated circuits (Application Specific Integrated Circuit, abbreviation ASIC), or,
One or more microprocessors (digital signal processor, abbreviation DSP), or, one or more scene can compile
Journey gate array (Field Programmable Gate Array, abbreviation FPGA) etc..For another example, when some above module passes through place
When managing the form realization of element scheduler program code, which can be general processor, such as central processing unit
(Central Processing Unit, abbreviation CPU) or it is other can be with the processor of caller code.For another example, these modules
It can integrate together, realized in the form of system on chip (system-on-a-chip, abbreviation SOC).
As shown in figure 9, showing the structural schematic diagram of electric terminal in one embodiment of the application.The electronics that this example provides is whole
End, comprising: processor 91, memory 92, transceiver 93, communication interface 94 and system bus 95；Memory 92 and communication interface
94 connect with processor 91 and transceiver 93 and complete mutual communication by system bus 95, and memory 92 is based on storing
Calculation machine program, communication interface 94 and transceiver 93 are used for and other equipment are communicated, and processor 91 is for running computer journey
Sequence makes electric terminal execute as above each step suitable for the DRX adaptive configuring method of unauthorized frequency range.
System bus mentioned above can be Peripheral Component Interconnect standard (Peripheral Component
Interconnect, abbreviation PCI) bus or expanding the industrial standard structure (Extended Industry Standard
Architecture, abbreviation EISA) bus etc..The system bus can be divided into address bus, data/address bus, control bus etc..
Only to be indicated with a thick line in figure, it is not intended that an only bus or a type of bus convenient for indicating.Communication connects
Mouth is for realizing the communication between database access device and other equipment (such as client, read-write library and read-only library).Storage
Device may include random access memory (Random Access Memory, abbreviation RAM), it is also possible to further include non-volatile deposit
Reservoir (non-volatile memory), for example, at least a magnetic disk storage.
Above-mentioned processor can be general processor, including central processing unit (Central Processing Unit,
Abbreviation CPU), network processing unit (Network Processor, abbreviation NP) etc.；It can also be digital signal processor
(Digital Signal Processing, abbreviation DSP), specific integrated circuit (Application Specific
Integrated Circuit, abbreviation ASIC), field programmable gate array (Field-Programmable Gate Array,
Abbreviation FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.
As shown in Figure 10, the DTX adaptive configuring method for being suitable for unauthorized frequency range in one embodiment of the application is shown
Flow diagram.In this present embodiment, the method be applied to base station, the method specifically include step S101, step S102,
Step S103.
In step s101, base station is enabled to continuously carry out clear channel assessment (CCA) test when in the state sent is opened.
In step s 102, in the case where the clear channel assessment result is successful situation, base station is enabled to think this cell
The interior user terminal for enabling DRX mechanism, which is in, opens the period, and the period that can receive PDCCH is a preset fixed period, base
It stands and is handed down to the user terminal of enabling DRX mechanism if any PDCCH, then fix in the period and issue herein.
In step s 103, it in the case where the result of clear channel assessment (CCA) test is partly or entirely failure, enables
The user terminal that DRX mechanism is enabled in this cell is thought in base station, and the period that can receive PDCCH extends to the on-fixed period, with
Meets the needs of base station carries out data transmission under discontinuous transmitting DTX mode, enabling is handed down to if any PDCCH in base station
The user terminal of DRX mechanism can then issue within this on-fixed period.
It should be noted that DTX adaptive configuring method provided in this embodiment, embodiments thereof and above DRX are certainly
The embodiment for adapting to configuration method is similar, and wherein DTX adaptive configuring method is the data transmission method for uplink applied to base station, and
DRX adaptive configuring method is the data receiver method applied to user terminal, though the terminal of the two application is different, is equally
Period extension function is realized based on the operating mode for changing onDurationTimer timer.
As shown in figure 11, the DTX adaptive configuration device for being suitable for unauthorized frequency range in one embodiment of the application is shown
Schematic diagram.Described device includes clear channel assessment (CCA) test module 111 and adaptive configuration module 112.Clear channel assessment (CCA) is surveyed
Die trial block 111 is used to that base station to be enabled to continuously carry out clear channel assessment (CCA) test, adaptive configuration when in the state sent is opened
Module 112 is used in the case where the result that the clear channel assessment (CCA) is tested is successful situation, and base station is enabled to think in this cell range,
The user terminal for enabling DRX mechanism is in the period for the state for opening transmission as a preset fixed period；And for described
In the case that the result of clear channel assessment (CCA) test is partly or entirely failure, base station is enabled to think in this cell range, enables DRX
The period that the user terminal of mechanism is in the state for opening transmission extends to the on-fixed period, to meet the base station discontinuous
Send the demand that data transmission is carried out under DTX mode.
Likewise, being suitable for the embodiment of the DTX adaptive configuration device of unauthorized frequency range and being suitable for unauthorized frequency
The embodiment of the DTX adaptive configuring method of section is similar, and so it will not be repeated.
As shown in figure 12, the structural schematic diagram of base station in one embodiment of the application is shown.The base station includes processor
1201, memory 1202, transceiver 1203, communication interface 1204 and system bus 1205；Memory 1202 and communication interface
1204 connect with processor 1201 and transceiver 1203 and complete mutual communication, memory 1202 by system bus 1205
For storing computer program, communication interface 1204 and transceiver 1203 are used for and other equipment are communicated, processor 1201
For running computer program, execute electric terminal as above suitable for each of the DTX adaptive configuring method of unauthorized frequency range
A step.
The application also provides a kind of communication system suitable for unauthorized frequency range comprising at least one described base station and
At least one described user terminal, the base station are based on DTX adaptive configuring method and carry out data transmission, the user terminal base
Data receiver is carried out in DRX adaptive configuring method.
It is suitable for the adaptive configuring method of unauthorized frequency range in conclusion the application provides, device, terminal, medium, is
System, it is desirable to provide not only can solve Time Delay of Systems but also the technical solution of energy saving of system efficiency can be taken into account, to adapt to unauthorized frequency
Section scene.It is occupied that is, working as channel duration in the unlatching received duration in DRX cycle by Wi-Fi or other wireless devices
When, the extension that the unlatching duration in DRX cycle can be adaptive, so that it is no longer restricted to enable the data under unauthorized frequency range transmit
In the influence of LBT mechanism.So the application effectively overcomes various shortcoming in the prior art and has high industrial exploitation value
Value.
The principles and effects of the application are only illustrated in above-described embodiment, not for limitation the application.It is any ripe
Know the personage of this technology all can without prejudice to spirit herein and under the scope of, carry out modifications and changes to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from spirit disclosed herein and institute under technical idea such as
At all equivalent modifications or change, should be covered by claims hereof.
Claims (21)
1. a kind of DRX adaptive configuring method suitable for unauthorized frequency range, which is characterized in that it is applied to user equipment, it is described
Method includes:
User equipment is enabled to continuously carry out clear channel assessment (CCA) test when in received state is opened；
In the case where the clear channel assessment result is successful situation, user equipment is enabled to be in the period for opening received state
For a preset fixed period；
In the case where the result of clear channel assessment (CCA) test is partly or entirely failure, enables user equipment be in unlatching and connect
The period of the state of receipts extends to the on-fixed period, is counted with meeting the user equipment in the case where discontinuously receiving DRX mode
According to received demand.
2. the method according to claim 1, wherein the user equipment is in the period for opening received state
It is determined by drx-onDurationTimer timer；Wherein, when the drx-onDurationTimer timer timing terminates
Before, user equipment, which is in, opens received state；After the drx-onDurationTimer timer timing, user
Equipment, which is in, closes received state.
3. according to the method described in claim 2, it is characterised by comprising: the drx-onDurationTimer timer is pre-
If a preset parameter.
4. according to the method described in claim 3, it is characterised by comprising:
In the case where the result of clear channel assessment (CCA) test is failure, the drx-onDurationTimer timing is enabled
Device time out, until the result of clear channel assessment (CCA) test is successfully.
5. a kind of DRX adaptive configuration device suitable for unauthorized frequency range characterized by comprising
Clear channel assessment (CCA) test module, for enabling user equipment continuously carry out idle channel when in received state is opened
Assessment test；
Adaptive configuration module, for enabling user equipment in the case where the result that the clear channel assessment (CCA) is tested is successful situation
It is a preset fixed period in the period for opening received state；And the result for being tested in the clear channel assessment (CCA)
In the case where partly or entirely for failure, the period for enabling user equipment be in the received state of unlatching extends to the on-fixed period,
To meet the needs of user equipment carries out data receiver in the case where discontinuously receiving DRX mode.
6. device according to claim 5, which is characterized in that the user equipment is in the period for opening received state
It is determined by drx-onDurationTimer timer；Wherein, when the drx-onDurationTimer timer timing terminates
Before, user equipment, which is in, opens received state；After the drx-onDurationTimer timer timing, user
Equipment, which is in, closes received state.
7. device according to claim 6, which is characterized in that the drx-onDurationTimer timer default one
Preset parameter.
8. device according to claim 5 characterized by comprising
The adaptive configuration module enables the drx- in the case where the result that the clear channel assessment (CCA) is tested is failure
OnDurationTimer timer time out, and the user equipment monitoring common downlink control channel PDCCH is enabled, and
The user equipment scheduled communicating downlink data are opened drx-onDurationTimer timer when transmitting and are counted
When.
9. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program quilt
Processor realizes the DRX adaptive configuring method for being suitable for unauthorized frequency range described in any one of claims 1 to 4 when executing.
10. a kind of user terminal characterized by comprising processor, memory and communicator；
The memory is for storing computer program；
The communicator is used to communicate to connect with other equipment；
The processor is used to execute the computer program of the memory storage, so that the user terminal is executed as right is wanted
It is suitable for the DRX adaptive configuring method of unauthorized frequency range described in asking any one of 1 to 4.
11. a kind of DTX adaptive configuring method suitable for unauthorized frequency range, which is characterized in that be applied to base station, the method
Include:
Base station is enabled to continuously carry out clear channel assessment (CCA) test when in the state sent is opened；
In the case where the clear channel assessment result is successful situation, base station is enabled to think the use for enabling DRX mechanism in this cell
Family terminal, which is in, opens the period, and the period that can receive PDCCH is a preset fixed period, and base station is handed down to if any PDCCH
The user terminal of DRX mechanism is enabled, then fixes in the period and issues herein；
In the case where the result of clear channel assessment (CCA) test is partly or entirely failure, base station is enabled to think to open in this cell
With the user terminal of DRX mechanism, the period that can receive PDCCH extends to the on-fixed period, is not being connected with meeting the base station
Supervention send the demand that data transmission is carried out under DTX mode, and base station is handed down to the user terminal for enabling DRX mechanism if any PDCCH, then
It can be issued within this on-fixed period.
12. according to the method for claim 11, which is characterized in that think to enable DRX mechanism in this cell in the base station
The period that user terminal is in the state for opening transmission is determined by dtx-onDurationTimer timer；Wherein, when described
Before dtx-onDurationTimer timer timing terminates, base station can issue PDCCH to the user terminal for enabling DRX mechanism；
After the dtx-onDurationTimer timer timing, base station is thought to enable in this cell at the user of DRX mechanism
PDCCH is issued to the user terminal of starting DRX mechanism in closed state, therefore not.
13. according to the method for claim 12 characterized by comprising the dtx-onDurationTimer timer
A default preset parameter.
14. according to the method for claim 13 characterized by comprising
In the case where the result of clear channel assessment (CCA) test is failure, the dtx-onDurationTimer timing is enabled
Device time out, until the result of clear channel assessment (CCA) test is successfully.
15. a kind of DTX adaptive configuration device suitable for unauthorized frequency range characterized by comprising
Clear channel assessment (CCA) test module, for enabling base station continuously carry out clear channel assessment (CCA) when in the state sent is opened
Test；
Adaptive configuration module, for enabling base station think in the case where the result that the clear channel assessment (CCA) is tested is successful situation
In this cell range, the user terminal for enabling DRX mechanism is in the period for the state for opening transmission as a preset fixed period；
And for enabling base station think this cell model in the case where the result that the clear channel assessment (CCA) is tested is partly or entirely failure
In enclosing, the period for the state that the user terminal for enabling DRX mechanism is in unlatching transmission extends to the on-fixed period, described in meeting
Base station carries out the demand of data transmission under discontinuous transmitting DTX mode.
16. device according to claim 15, which is characterized in that the base station is thought in this cell range, and DRX machine is enabled
The period that the user terminal of system is in the state for opening transmission is determined by dtx-onDurationTimer timer；Wherein, work as institute
Before stating dtx-onDurationTimer timer timing and terminating, user terminal that DRX mechanism is enabled in this cell, which is in, to be opened
State；After the dtx-onDurationTimer timer timing, the user terminal of DRX mechanism is enabled in this cell
State in closing.
17. device according to claim 16, which is characterized in that the dtx-onDurationTimer timer is default
One preset parameter.
18. device according to claim 15 characterized by comprising
The adaptive configuration module enables the dtx- in the case where the result that the clear channel assessment (CCA) is tested is failure
OnDurationTimer timer time out, and when the base station scheduling user's set carries out downlink transmission
It opens dtx-onDurationTimer timer and carries out timing；It is idle before dtx-onDurationTimer timer terminates
Channel estimating test result is that when being handed down to the terminal for enabling DRX mechanism if needed, then can issue in successful situation
PDCCH。
19. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The adaptive configuration side DTX for being suitable for unauthorized frequency range described in any one of claim 11 to 14 is realized when being executed by processor
Method.
20. a kind of base station characterized by comprising processor, memory and communicator；
The memory is for storing computer program；
The communicator is used to communicate to connect with other equipment；
The processor is used to execute the computer program of the memory storage, so that the base station executes such as claim 11
To the DTX adaptive configuring method for being suitable for unauthorized frequency range described in any one of 14.
21. a kind of communication system suitable for unauthorized frequency range, which is characterized in that as claimed in claim 20 including at least one
Base station and at least one user terminal as claimed in claim 10.
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