CN105636156B - The method for controlling MTC UE access - Google Patents
The method for controlling MTC UE access Download PDFInfo
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- CN105636156B CN105636156B CN201410625428.5A CN201410625428A CN105636156B CN 105636156 B CN105636156 B CN 105636156B CN 201410625428 A CN201410625428 A CN 201410625428A CN 105636156 B CN105636156 B CN 105636156B
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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 present invention provides one kind to judge whether the method for accessing Target cell in user equipment (UE), it include: that (A) UE receives the access information from Target cell, access information includes coverage enhancement refusal threshold value and/or economize on electricity refusal instruction；(B) UE is based on access information, judges whether to have access to Target cell；Wherein, if UE can not access Target cell, UE waiting accesses next time.By using method of the invention, the working efficiency of eNB can be effectively promoted, communication contention aware caused by overload is avoided.
Description
Technical field
The present invention is generally related to wireless communication field, more specifically, is related to a kind of control low complex degree MTC access
Method.
Background technique
The user equipment (UE) that machine type communication (MTC) equipment is used by specific application.Current trend is to reduce
While the complexity of MTC UE, covering and the power consumption efficiency of MTC UE are promoted.
In the prior art, the enhancing of covering and power consumption are with system effectiveness is reduced to cost and realizes.For example, being covered to be promoted
15dB is covered, base station (eNB) needs duplicate number to be often greater than 100 times, correspondingly, the efficiency of system is reduced to original 1/
100 to 1/150.In addition, the optimization to MTC UE power consumption also results in similar problem.For example, being asked when relaxing to random access
When the requirement asked, this will increase a possibility that conflicting.In addition, other technologies for saving power consumption often require that base station uses more
Resource (for example, on control channel (PSS/SSS, PBCH) repeat more times) so that the UE using power-saving technique can
Network is rapidly obtained, this will lead to more losses.
From the point of view of resource occupation angle, the reduction of system spectral efficiency (for example, when UE needs to repeat up to a hundred secondary), this and
Permit up to a hundred loads to have the same effect.Further, MTC device needs and common UE exists jointly, therefore a large amount of
Repetition will likely result in scarcity of resources.MTC service can operate under non-busy state (Non-busy), for example the late into the night, however this
Respective deployment will be depended on, and is also uncertain.Because some coverage enhancement MTC UE are triggered by event.
For example, entertainment, the meeting etc. carried out at dead of night will lead between very high person to person (Human to Human, H2H)
Communication load.Therefore, MTC service may cause between device-to-device (Machine to Machine, M2M) and H2H
Channel it is crowded.
In R12, three different grades of radio conditions are can be used in coverage enhancement (CE) MTC, are enhancing 5dB respectively,
Enhance 10dB and enhancing 15dB.Corresponding number of repetition will differ greatly, and for PDCCH, these three grades correspond to respectively
3,17 and 75 repetitions.In addition, power-saving technique will lead to additional performance loss.It is accounted for for example, PSD (power spectral density) is equal to
1/2 is reduced with adjacent frequency resource, that is, efficiency.
Currently there are some technical solutions using EAB, according to the UE of current load refusal roaming, however, this side
Formula does not consider the problem of efficiency, and the grade of the UE of refusal is certain, but wireless environment is then changing always.
Therefore, the communication means of the MTC UE suitable for low complex degree to a kind of in view of system effectiveness is needed.
Summary of the invention
In view of the above problems, the situation when present invention is to MTC UE access eNB or cell is defined, to promote eNB
Working efficiency, avoid load excessive.
The invention proposes one kind to judge whether the method for accessing Target cell in user equipment (UE), comprising: (A) UE
The access information from the Target cell is received, the access information includes coverage enhancement refusal threshold value and/or economize on electricity refusal
Instruction；(B) UE is based on the access information, judges whether to have access to the Target cell；Wherein, if UE can not access it is described
Target cell, then UE waiting access next time.
Preferably, in the step (B) further include: UE is based on the coverage enhancement and refuses its corresponding communication of threshold measurement
Parameter, and judge whether based on the measured messaging parameter access conditions for meeting the Target cell.
Preferably, the step (B) further include: UE is based on the access information, when determining time and the measurement of its measurement
Used number of sub frames.
Preferably, UE is based on the access information and obtains the refusal time, will when UE can not access the Target cell
After the duration for having waited the refusal time, again attempt to access the Target cell.
Preferably, UE is based on the access information and obtains refusal random number；When UE can not access the Target cell, UE
By determining whether to access the Target cell based on the refusal random number, if the refusal random number that UE is obtained
Meet the access conditions in the access information, then UE can access the Target cell；And/or when UE meets the access item
When part, UE is by the refusal random number to determine whether the Target cell can be successfully accessing, if the described of UE acquisition is refused
Exhausted random number is unsatisfactory for the requirement of access, then UE still cannot access the Target cell.
Preferably, the access information includes the access conditions of other cells；When UE wants re-selecting cell, UE passes through described
Target cell learns the access conditions of other cells, and judges whether it has access to other cells.
Preferably, the messaging parameter includes receiving signal reference power (RSRP) value, received signal strength indicator
(RSSI) at least one of value and levels of repetition parameter.
Preferably, when UE carries out cell reselection, select equation to determine whether accessing the mesh by cell
Mark cell, the equation are as follows:
Squal=Qqualmeas-(Qqualmin+Qqualminoffset)-QCEbarringngRSRP；
Wherein, Squal is cell selection quality value, and Qquallmeas is the cell signal quality value of measurement, Qqualmin
For the smallest cell signal quality value, Qqualminoffset is the deviant of the smallest cell signal quality value,
QCEbarringRSRP is the RSRP value for refusing UE access under enhancing covering.
Preferably, the method also includes: after the Target cell described in the UE access, repetition of the Target cell based on UE
Grade reconfigures the number of repetition of UE.
Preferably, the step (B) further include: UE judges whether to have access to the mesh according to economize on electricity refusal instruction
Mark at least one of cell, the corresponding following refusal condition of economize on electricity refusal instruction: the power-saving technique that UE is used is not described
Target cell supports that the power-saving technique that UE does not support the Target cell to use, UE does not support the Target cell to use non-
Power-saving technique；When UE judges that it is unsatisfactory for economize on electricity refusal between the Target cell and indicates corresponding refusal condition,
Then Target cell described in UE access, when to judge that it meets economize on electricity refusal instruction between the Target cell corresponding by UE
Refusal condition, then UE does not access the Target cell.
The invention also provides one kind to provide the method for refusal access information to UE in base station (eNB), comprising: broadcast is refused
Exhausted access information, wherein the refusal access information includes the access conditions of the cell of the eNB or the cell of other eNB, is UE
The refusal turn-on time of configuration and/or the test pattern of the configuration for UE.
Preferably, the access conditions includes the RSRP threshold value for allowing UE access, the power-saving technique of cell use, supports UE
At least one of the non-power-saving technique that the power-saving technique and cell of use use；Wherein, the configuration information of the test pattern
It include: the number of sub frames that UE needs the time measured and needs to measure.
The invention also provides a kind of user equipment (UE), comprising: receiving module is configured as receiving from eNB's
Access information, the access information include coverage enhancement refusal threshold value and/or economize on electricity refusal instruction；Determination module is configured
Based on the access information, to judge whether to have access to the Target cell；Wherein, UE is refused based on the access information
The exhausted time, when UE can not access the Target cell, UE again attempts to connect by after the duration for having waited the refusal time
Enter the Target cell.
It is preferred that obtaining, the UE further include: measurement module, be configured as based on the coverage enhancement refusal threshold measurement its
Receive signal reference power (RSRP) value, received signal strength indicator (RSSI) at least one of value and levels of repetition parameter.
The invention also provides a kind of base station (eNB), comprising: and sending module is configured as broadcast refusal access information,
Wherein, it is described refusal access information include cell access conditions, for UE configuration test pattern and be UE configuration refuse
Exhausted turn-on time, wherein the access conditions includes the RSRP threshold value for allowing UE access, the power-saving technique of cell use, supports
At least one of the non-power-saving technique that the power-saving technique and cell that UE is used use.
In addition, can effectively promote the working efficiency of eNB by using method of the invention, avoid overload
Caused by communication contention aware.
Detailed description of the invention
After description by reference to a specific embodiment of the invention given by following drawings, it is better understood with this
Invention, and other objects of the present invention, details, features and advantages will become apparent.In the accompanying drawings:
Fig. 1 be for according to an embodiment of the present invention UE and eNB communication scheme；
Fig. 2 is RSRP instrumentation plan according to an embodiment of the present invention；
Fig. 3 is 4 subframe RSRP measurement result schematic diagrames according to an embodiment of the present invention.
Specific embodiment
The preferred embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Preferred embodiment, however, it is to be appreciated that may be realized in various forms the disclosure without the embodiment party that should be illustrated here
Formula is limited.On the contrary, these embodiments are provided so that this disclosure will be more thorough and complete, and can be by the disclosure
Range is fully disclosed to those skilled in the art.
The present invention establishes effective refusal (Barring) mechanism by the access of control MTC UE.Therefore, it is necessary to tool
There is the UE of different efficiency to distinguish, eNB is by broadcast refusal information, so that UE, which knows whether it qualifies, accesses eNB, and
When the condition described in the information meets, MTC UE can then be allowed to access eNB.
The present invention proposes two kinds of mechanism to judge whether UE can access eNB:
(1) coverage enhancement refuses threshold value
The access of the MTC UE of low complex degree is limited by the threshold value.
(2) economize on electricity refusal instruction
The MTC UE of energy-saving mode is not allowed to access system.If MTC UE is only capable of work in a power saving mode, this
Mean that the UE does not allow access system.If it can support general mode, allow to access.
Below with regard to above-mentioned two situations, it is illustrated respectively.
Embodiment 1:
In the present embodiment, coverage enhancement refusal threshold value can be Reference Signal Received Power (RSRP) value, duplicate
Grade or other corresponding parameters.
When the threshold value is the RSRP value that UE is measured, based on current RSRP value, UE can know its current wireless communication
Number intensity.If the RSRP value measured is less than the threshold value, UE will not access the corresponding eNB of the RSRP value.Only when the threshold
When value is greater than the value of instruction, UE is just allowed to access.
In addition, the threshold value may be levels of repetition.It, can be by itself measurement before UE does not access eNB
(for example, RSRP value) or the algorithm of itself (for example, using levels of repetition when accessing with previous eNB) are current desired to determine
Levels of repetition.Therefore, before access, UE can generally know that it needs great coverage area, and select corresponding
Levels of repetition establishes random access.When UE attempts access eNB, UE will notify levels of repetition of the eNB needed for it, if needed for UE
Levels of repetition be higher than current eNB threshold value, then UE will be denied access eNB because higher grade mean more weight
Again it counts, this will also decrease the efficiency of eNB.
It is accessed after UE access eNB by any of the above-described kind of mode, for up channel, eNB will be received according to it
Information from UE come learn current UE need to eNB send number；Then, for down channel, when UE has received information
Afterwards, a corresponding report will be generated, and is sent to eNB, then eNB will count its number for having received the test information, base
In the number of repetition of uplink and downlink, further the number of repetition of UE is configured.For example, eNB has sent 100 times to UE,
But UE only just has received whole data with 50 times, and therefore, UE will be completed received number in its report and is included in
It is sent in the report of eNB, after eNB receives this report, the number of repetition of UE will be configured to 50 times, to improve
The communication efficiency of eNB.
That is, UE is before accessing eNB, levels of repetition is determined by its own, and is accessed after eNB, and eNB will be right
Its levels of repetition is configured.For the RSRP of levels of repetition and measurement can be configured using levels of repetition as the system of threshold value
Mapping between value.Above-mentioned RSRP and grade threshold can be obtained from the mapping relations.Preferably, eNB can refuse to require
The UE of higher levels of repetition is accessed.
It is understood that eNB also can be configured as refusal, any one requires the UE access of coverage enhancement.
Therefore, by the way that the communication effect between UE and eNB can be promoted to the corresponding refusal access threshold value of eNB or UE setting
Rate, UE avoid the eNB of access poor signal, and eNB can also refuse to require the very high UE access of number of repetition.
Embodiment 2:
The power-saving technique for currently having many UE that can use, by these power-saving techniques, UE can reduce the power consumption of itself,
That is the technology of the end UE reduction power consumption, but influence spectrum efficiency.These technologies can include but is not limited to: power spectral density (Power
Spectral Density, PSD) promoted, Physical Random Access Channel (Physical Random Access Channel,
PRACH) detection, lower maximum UE power grade, on piece power amplifier (Power Amplifier, PA), reduce UE at
The task amount of reason does not support channel measurement and CQI report, less hybrid automatic repeat-request (Hybrid Access
Retransmission Quest, HARQ) process or less re-transmission.
It should be understood that one or more instructions can be used indicate UE or eNB whether use above-mentioned one kind or
Multiple technologies.
When UE by the broadcast of eNB learn the eNB support or do not support power-saving technique after, if the technology of UE use not by
ENB is supported that then UE will not access eNB.
Preferably, UE judges whether to have access to eNB, the corresponding following refusal of economize on electricity refusal instruction according to economize on electricity refusal instruction
At least one of condition: the power-saving technique that UE is used is not supported that the power-saving technique that UE does not support eNB to use, UE is not propped up by eNB
Hold the non-power-saving technique of eNB use；Refuse to indicate corresponding refusal condition when UE judges that it is unsatisfactory for economizing on electricity between eNB,
Then UE access eNB, when UE judges that it meets economize on electricity refusal between eNB and indicates corresponding refusal condition, then UE is not accessed
eNB。
In addition, the present invention also provides other several methods for how can UE access eNB.
UE can also learn refusal time T and/or refusal random number by the broadcast that eNB is sent.Refusal duration is for accusing
Know UE after this is denied access, it is next attempt access time, that is, the duration waited.For example, if UE without satisfaction because working as
The threshold value of preceding access and eNB can not be accessed, then its refusal time T in, eNB will not be accessed, by waiting access next time.
It is understood that the value of refusal time T can be according to application since MTC UE is not to often access always eNB
Environment is configured, and is for example set as 10s, even 10 hours 10 minutes.
UE can also access eNB by its refusal random number obtained to decide whether also to have an opportunity.That is, working as UE
When can not access eNB, UE can be then compared by the refusal random number with a threshold value, if the refusal random number meets
The requirement of access, then UE can access eNB.
It is further preferred that the UE that refusal random number can be also used for being currently accessed satisfaction threshold value is definitely filtered
It removes.When UE meets access threshold value, also need through refusal random number to determine whether eNB can be successfully accessing, if at this time
The random number that UE is obtained is unsatisfactory for the requirement of access, then UE still cannot access eNB.Therefore, by generating refusal random number
Mechanism can make the load of base station avoid
In addition, when UE carries out cell selection equation can also be selected by cell to determine whether access
ENB, the equation are as follows:
Squal=Qqualmeas-(Qqual min+Qqual min offset)-QCEbarringRSRP (1)
Wherein, SqualFor cell selection quality value, QquallmeasIntuitive knowledge, Q are caused for the cell signal of measurementqualminIt is the smallest
Cell signal quality value, QqualminoffsetFor the deviant of the smallest cell signal quality value, QCEbarringRSRPTo be covered in enhancing
The RSRP value of lower refusal access.Therefore, when UE learns current S by measuring and calculatingqualValue, then by the SqualValue and desire
The threshold value of the eNB broadcast of selection compares, if meeting access conditions, UE can access current eNB.
When UE will carry out cell reselection, i.e. UE detects the signal of adjacent cell than the signal of the cell currently connected
It is good, therefore UE can attempt to access the adjacent cell.
For such situation, firstly, the base station (eNB1) of current area and the base station (eNB2) of neighboring community can carry out
Interaction, and the condition of the access of other side is broadcasted or sent in this cell.For example, when UE learns eNB2 by eNB1
Access conditions (can be any one above-mentioned threshold value), UE will judge whether oneself meets the access conditions of eNB2, if full
Foot can then be switched to connection eNB2, if not satisfied, also will stay on even if the signal of eNB2 is relatively good from current eNBl
In the cell of eNB1.
It, can be with for received signal strength indicator (Received Signal Strength Indication, RSSI)
For determining link quality, therefore, the threshold of eNB whether can also be had access to as UE using RSSI value in the present invention
Value, in addition, the introducing of RSSI value can also reduce the influence of measurement error.Make it is of course also possible to which RSSI and RSRP value is combined
The threshold value of eNB whether is had access to for UE.
The present invention is also defined the measurement pattern of UE, i.e. configuration of the UE based on eNB can be determined in test pattern
The time of its measurement of justice and the number of sub frames of measurement.
For convenient for illustrating, the above embodiments are by taking UE attempts to access new eNB as an example.Those skilled in the art can manage
Solution, since an eNB often manages multiple cells, and the wireless environment of each cell is also different, and therefore, UE is same
It is switched in multiple cells of eNB management or when gravity treatment, is also applied for above-mentioned method.
For example, when UE trial is switched to cell 2 from the cell 1 of eNB1, by the access of the cell2 broadcasted by eNB1
Information, to determine whether to have access to cell2, the process of judgement is similar with above-mentioned process.If UE attempts the cell 1 from eNB
It is switched to the cell of other base stations, then the process of its access is to switch the process of base station in embodiment.
Fig. 1 is UE and eNB communication scheme according to an embodiment of the present invention.Still for attempting to access new eNB by UE.
S11:eNB broadcast access Grant information
In this step, eNB is by access information (being for example comprised in system message), by its access conditions or UE
Refusal random number needed for test pattern or access is sent to UE.Wherein, access conditions can be RSRP threshold value above-mentioned, UE or
In refusal random number and refusal turn-on time needed for the power-saving technique that eNB is used, the configuration information of the test of UE and access
One or more parameters.
S12:UE measures messaging parameter
In this step, UE measures the measurement pattern that it is configured based on eNB, its measurement is defined in test pattern
The number of sub frames of time and measurement.
S13:UE judges whether to access eNB
In this step, UE by based on its measurement as a result, judging whether to have access to eNB.
When UE judgement can access eNB, then follow the steps S14, it is no to then follow the steps S16.
S14:UE accesses eNB
In this step, since UE meets the access conditions of eNB, eNB can be accessed.Optionally, when UE only meets
The access conditions and refusal random number obtained that eNB is configured also are able to satisfy access and require, and UE can be successfully accessed
eNB。
S16:UE waiting accesses next time
In this step, due to UE do not meet eNB access conditions or its meet access conditions but because refuse random number
And cause to access, waiting is accessed next time, the when a length of refusal time T of waiting.
When executing the step S14, optionally, step S15 is can also be performed in eNB, i.e. eNB carries out the number of repetition of UE
Setting, to promote the working efficiency of eNB.
If the power-saving technique used according to UE or eNB is as the condition whether having access to, UE is without executing step
S12, i.e. UE are without measuring its messaging parameter, it is thus only necessary to the economize on electricity skill for allowing power-saving technique used by its own and eNB
Art is made comparisons, that is, can decide whether that eNB can be accessed.
Fig. 2 is RSRP instrumentation plan according to an embodiment of the present invention.
In this embodiment, the case where eNB is according to load determines that refusal requires the MTC of the tertiary gradient of coverage enhancement
UE, i.e. eNB are configured to 15dB for threshold value is accessed.
RSRP measurement error is modeled by Gaussian Profile, for the UE under better radio condition, is often had smaller
Measuring error and smaller error criteria deviation.Fig. 2 shows that in a subframe measurement period, four needs enhancings cover
UE measurement result, curve m1-m3 respectively corresponds the situation for requiring coverage enhancement 15dB, 10dB and 5dB, and m4 is then reference
Value corresponds to 0dB coverage enhancement (without enhancing).
By in Fig. 2 it is found that for 15dB refusal threshold value configuration (horizontal axis corresponding -15dB), the corresponding half (longitudinal axis of curve 1
Corresponding MTC UE 0.5) is denied access.For do not require coverage enhancement UE or only need 5dB enhancing UE, the 15dB
Threshold value has no effect on it and accesses eNB.
It is understood that RSRP value measured by the corresponding UE of curve 1 is in 15dB since system is there are measurement error R
± R, when R is 9dB, the range of the RSRP value is 6 to 25dB.
Therefore, the adjustable threshold value of eNB loads to control the access of MTC UE.When eNB load it is smaller, can be set compared with
Big refusal threshold value, for example 15dB, it is therefore desirable to which the UE of excessive coverage enhancement will be denied access in the random access procedure.
When eNB load is relatively large, threshold value can be arranged smaller, for example 10dB, so that most require 15dB to cover
The UE of enhancing is rejected, and the UE of the requirement 10dB coverage enhancement of half may also be rejected.
After refusal time T above-mentioned and/or refusal chance mechanism, when UE is refused for the first time, can still it lead to
Cross compare refusal random number threshold chance come attempt access eNB or UE wait refusal time T after, UE again attempts to access
eNB。
Fig. 3 is 4 subframe RSRP measurement result schematic diagrames according to an embodiment of the present invention.
If eNB requires UE to pass through four continuous subframes of joint to measure RSRP value, the accuracy measured will be obtained
It is promoted.It is measured due to using more subframes, average measurement error is reduced to 6dB from 9dB.The corresponding model of curve 1
It encloses also more accurate.When eNB, which will refuse threshold value, is configured to 12dB, 80% three UE's of grade (it is required that 15dB enhances) and 20%
Two UE of grade (it is required that 10dB enhances) is rejected.
By using technical solution of the present invention, MTC UE can according to eNB or the access information of cell, to determine whether
It can access.Therefore, the raising that eNB or the communication efficiency of cell may be significantly.
It will be appreciated to those of skill in the art that above-mentioned state is used only for example, it is not intended to limit the present invention
Application range.Those skilled in the art can be directed to every kind of specific application, realize described function in a manner of flexible, but
It is that this realization decision should not be interpreted as causing a departure from the scope of this disclosure.
Claims (15)
1. one kind judges whether the method for accessing Target cell in user equipment (UE), comprising:
(A) UE receive the access information from the Target cell, the access information include coverage enhancement refusal threshold value and/or
Economize on electricity refusal instruction；
(B) UE is based on the access information, judges whether to have access to the Target cell；
Wherein, if UE can not access the Target cell, UE waiting accesses next time.
2. the method for claim 1, wherein in the step (B) further include:
UE is based on the coverage enhancement and refuses its corresponding messaging parameter of threshold measurement, and based on the measured messaging parameter
Judge whether the access conditions for meeting the Target cell.
3. method according to claim 2, the step (B) further include:
UE is based on the access information, determines used number of sub frames when time and the measurement of its measurement.
4. the method for claim 1, wherein
UE is based on the access information acquisition refusal time will be having waited when UE can not access the Target cell
After the duration for stating the refusal time, again attempt to access the Target cell.
5. the method for claim 1, wherein
UE is based on the access information and obtains refusal random number；
When UE can not access the Target cell, UE based on the refusal random number by being determined whether described in access
Target cell, if the refusal random number that UE is obtained meets the access conditions in the access information, UE can access institute
State Target cell；And/or
When UE meets the access conditions, UE is by the refusal random number to determine whether the target can be successfully accessing
Cell, if the refusal random number that UE is obtained is unsatisfactory for the requirement of access, UE still cannot access the Target cell.
6. the method for claim 1, wherein
The access information includes the access conditions of other cells；
When UE wants re-selecting cell, UE learns the access conditions of other cells by the Target cell, and judges that it whether can
Enough access other cells.
7. method according to claim 2, wherein
The messaging parameter includes receiving signal reference power (RSRP) value, received signal strength indicator (RSSI) value and repeating etc.
At least one of grade parameter.
8. the method for claim 7, wherein
It is described by cell selection equation to determine whether accessing the Target cell when UE carries out cell reselection
Equation are as follows:
Squal=Qqualmeas-(Qqualmin+Qqualminoffset)-QCEbarringRSRP；
Wherein, SqualFor cell selection quality value, QquallmeasFor the cell signal quality value of measurement, QqualminFor the smallest cell
Signal quality value, QqualminoffsetFor the deviant of the smallest cell signal quality value, QCEbarringRSRPTo be refused under enhancing covering
The RSRP value of exhausted UE access.
9. the method for claim 7, further includes:
After the Target cell described in the UE access, the Target cell reconfigures the number of repetition of UE based on the levels of repetition of UE.
10. the method as described in claim 1, the step (B) further include:
UE judges whether to have access to the Target cell according to economize on electricity refusal instruction, the economize on electricity refusal instruction correspond to
At least one of lower refusal condition:
UE use power-saving technique do not supported by the Target cell,
The power-saving technique that UE does not support the Target cell to use,
The non-power-saving technique that UE does not support the Target cell to use；
When UE judges that it is unsatisfactory for the economize on electricity refusal between the Target cell and indicates corresponding refusal condition, then UE connects
Enter the Target cell, when UE judges that it meets the economize on electricity refusal between the Target cell and indicates corresponding refusal item
Part, then UE does not access the Target cell.
11. a kind of provide the method for refusal access information to UE in base station (eNB), comprising:
Broadcast refusal access information, wherein the refusal access information includes connecing for the cell of the eNB or the cell of other eNB
Enter condition, for UE configuration refusal turn-on time and/or the configuration for being UE test pattern, the refusal access information for by
The UE to determine whether have access to the cell including the eNB or the cell of other eNB,
Wherein the access conditions includes the RSRP threshold value for allowing UE access, the power-saving technique of cell use, UE is supported to use
At least one of the non-power-saving technique that power-saving technique and cell use.
12. method as claimed in claim 11, wherein
The configuration information of the test pattern includes: the number of sub frames that UE needs the time measured and needs to measure.
13. a kind of user equipment (UE), comprising:
Receiving module is configured as receiving the access information from eNB, and the access information includes coverage enhancement refusal threshold value
And/or economize on electricity refusal instruction；
Determination module is configured as judging whether to have access to Target cell based on the access information；
Wherein, UE is based on the access information and obtains the refusal time, and when UE can not access the Target cell, UE will waited
After the duration of the refusal time, again attempt to access the Target cell.
14. user equipment as claimed in claim 13, further includes:
Measurement module is configured as based on its reception signal reference power (RSRP) of coverage enhancement refusal threshold measurement
Value, received signal strength indicator (RSSI) at least one of value and levels of repetition parameter.
15. a kind of base station (eNB), comprising:
Sending module, is configured as broadcast refusal access information, and the refusal access information is used for by UE to determine whether energy
The cell of enough access cells including the eNB or other eNB,
Wherein, it is described refusal access information include cell access conditions, for UE configuration test pattern and be UE configuration
Refusal turn-on time, wherein the access conditions include the power-saving technique for allowing the RSRP threshold value of UE access, cell to use,
At least one of the non-power-saving technique that the power-saving technique and cell for supporting UE to use use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410625428.5A CN105636156B (en) | 2014-11-07 | 2014-11-07 | The method for controlling MTC UE access |
Applications Claiming Priority (1)
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| CN110234171B (en) | 2016-08-12 | 2023-04-14 | 中兴通讯股份有限公司 | Wireless resource configuration method and device |
| CN107734595B (en) * | 2016-08-12 | 2020-08-04 | 中兴通讯股份有限公司 | Access control method, device and system |
| WO2018028393A1 (en) * | 2016-08-12 | 2018-02-15 | 中兴通讯股份有限公司 | Wireless resource allocation method and apparatus |
| EP3301953A1 (en) * | 2016-09-29 | 2018-04-04 | Gemalto M2M GmbH | Method for cellular network based controlling of measurement by a low- capability wireless terminal |
| CN108551666B (en) * | 2016-11-04 | 2020-06-02 | 中兴通讯股份有限公司 | Network selection and access method and device |
| CN108462978B (en) * | 2017-02-22 | 2020-03-24 | 电信科学技术研究院 | Access control method and device |
| CN108574973B (en) * | 2017-03-08 | 2022-07-15 | 中兴通讯股份有限公司 | Access control method, device and system |
| CN109246791A (en) * | 2017-04-28 | 2019-01-18 | 夏普株式会社 | User equipment, base station and correlation technique |
| CN109429218B (en) * | 2017-06-28 | 2021-09-03 | 展讯通信（上海）有限公司 | User equipment, configuration method thereof, network side equipment and computer readable medium |
| CN110945911B (en) * | 2017-07-07 | 2022-07-26 | 索尼集团公司 | Communication device and operation method thereof, base station and operation method thereof, and communication system |
| CN110868738B (en) * | 2018-08-27 | 2022-07-12 | 中兴通讯股份有限公司 | Cell switching method, base station, eMTC terminal, and storage medium |
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