CN106658549A - Mobile terminal and mobile terminal cell measuring method - Google Patents
Mobile terminal and mobile terminal cell measuring method Download PDFInfo
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- CN106658549A CN106658549A CN201510728590.4A CN201510728590A CN106658549A CN 106658549 A CN106658549 A CN 106658549A CN 201510728590 A CN201510728590 A CN 201510728590A CN 106658549 A CN106658549 A CN 106658549A
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- Prior art keywords
- mobile terminal
- drx cycle
- frequency
- measurement
- different
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
-
- 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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Provided are a mobile terminal and a mobile terminal cell measuring method. The method includes the following steps: when the initial time of the i<th> cofrequency measurement of the mobile terminal is within the n<th> DRX period, controlling the mobile terminal to receive downlink data within the n<th> DRX period, and also carrying out the i<th> cofrequency measurement, i and n being positive integers. The application of the method reduces power consumption of the mobile terminal.
Description
Technical field
The present invention relates to communication technical field, and in particular to a kind of mobile terminal and its cell measuring method.
Background technology
In mobile communication system, after mobile terminal-opening, by cell initial searching process, reside in
In suitable Serving cell, and progressively set up wireless communication procedure.Meanwhile, mobile terminal is also required to detection
The cell (referred to as " adjacent cell ") neighbouring with the Serving cell, and the communication of the adjacent cell to detecting
Quality carries out being constantly tracked measurement, to carry out cell reselection for it and switching is prepared.Wherein, move
Dynamic terminal detects adjacent area and is tracked the process of measurement, referred to as cell measurement.
According to third generation partner program (The 3rd Generation Partnership Project, 3GPP)
Regulation, mobile terminal includes pair thering is identical frequency with Serving cell when cell measurement is carried out, mainly
Cell measures i.e. common frequency measurement, and the cell for having different frequent points with Serving cell is measured i.e.
Different-frequency measure.
However, current mobile terminal according to 3GPP regulations when cell measurement is carried out, power consumption is higher, leads
Cause Consumer's Experience poor.
The content of the invention
The embodiment of the present invention can solve the problem that power problemses of the mobile terminal in common frequency measurement, improves and uses
Experience at family.
To solve the above problems, a kind of mobile terminal cell measuring method, institute are embodiments provided
The method of stating includes:
When the initial time of the mobile terminal i & lt common frequency measurement is located in n-th DRX cycle,
While controlling the mobile terminal and receive downlink data in n-th DRX cycle, i-th is performed
Secondary common frequency measurement, i and n are positive integer.
Alternatively, methods described also includes:Control the mobile terminal jth time different-frequency measure and jth+1 time
The span at the interval between different-frequency measure is [40 frames, 80 frames], and j is positive integer.
Alternatively, methods described also includes:Between the jth time+1 different-frequency measure of different-frequency measure and jth
At intervals of 60 frames.
Alternatively, methods described also includes:When the finish time of n-th DRX cycle of the mobile terminal
And when the difference that the finish time of downlink data is received in n-th DRX cycle is less than preset value, control
The mobile terminal is made in n-th DRX cycle and is received after downlink data, to be measured one
The corresponding cell of individual alien frequencies frequency is carried out in part measurement, and the DRX cycle after to alien frequencies frequency
The corresponding cell of point carries out the measurement of other parts, and the preset value is under the mobile terminal present mode
Different-frequency measure ability value.
The embodiment of the present invention additionally provides a kind of mobile terminal, and the mobile terminal includes:
Whether detector unit, the initial time for being adapted to detect for each common frequency measurement of the mobile terminal is located at
In DRX cycle;
First control unit, is suitable to when the detector unit detects the mobile terminal i & lt common frequency measurement
Initial time when being located in n-th DRX cycle, control the mobile terminal in n-th DRX
While receiving downlink data in cycle, i & lt common frequency measurement is performed, i and n is positive integer.
Alternatively, the mobile terminal also includes:Second control unit, is suitable to when the mobile terminal enters
During row different-frequency measure, control between described mobile terminal jth time+1 different-frequency measure of different-frequency measure and jth
The span at interval is [40 frames, 80 frames], and j is positive integer.
Alternatively, second control unit controls the mobile terminal jth time different-frequency measure and jth+1 time
Between different-frequency measure at intervals of 60 frames.
Alternatively, the mobile terminal also includes:3rd control unit, is suitable to when the mobile terminal n-th
The finish time of individual DRX cycle with receive downlink data in n-th DRX cycle at the end of
When the difference carved is less than preset value, the control mobile terminal is in n-th DRX cycle and under reception
After row data, part measurement is carried out to the corresponding cell of an alien frequencies frequency to be measured, and after
The measurement of other parts is carried out in DRX cycle to the corresponding cell of the alien frequencies frequency, the preset value is
Different-frequency measure ability value under the mobile terminal present mode.
Compared with prior art, technical scheme at least has advantages below:
When the initial time of the mobile terminal i & lt common frequency measurement is located in n-th DRX cycle,
While receiving downlink data in n-th DRX cycle by controlling the mobile terminal, parallel
I & lt common frequency measurement is performed, can avoid mobile terminal that antenna is repeatedly opened in n-th DRX cycle,
Therefore the power consumption of the mobile terminal can effectively be reduced.
Further, by control the mobile terminal jth time different-frequency measure and+1 different-frequency measure of jth it
Between the span at interval be [40 frames, 80 frames], can reduce because different-frequency measure interval long causes institute
State and fall the occurrence of netting under mobile terminal DRX states.
Further, when the length of n-th DRX cycle of the mobile terminal and in n-th DRX
When the difference that the time span of downlink data is received in cycle is less than preset value, by controlling the mobile terminal
The energy of an alien frequencies frequency and corresponding cell to be measured is carried out in n-th DRX cycle
Measurement, and to the energy of other alien frequencies frequencies and corresponding cell to be measured in the DRX cycle after
Measure, can reduce the multimode and move to greatest extent using the idle periods in n-th DRX cycle
Move whole power consumption.
Description of the drawings
Fig. 1 is a kind of mobile terminal cell measuring method flow chart in the embodiment of the present invention;
Fig. 2 is a kind of schematic diagram of DRX cycle in the embodiment of the present invention;
Fig. 3 is a kind of schematic diagram of common frequency measurement in the embodiment of the present invention;
Fig. 4 is a kind of structural representation of mobile terminal in the embodiment of the present invention.
Specific embodiment
At present, mobile terminal is not accounted for mobile terminal when common frequency measurement is carried out according to 3GPP regulations
The optimization of power consumption.
For the problems referred to above, The embodiment provides a kind of mobile terminal cell measuring method, institute
The method of stating can be located at n-th DRX cycle in the initial time of the mobile terminal i & lt common frequency measurement
When interior, while receiving downlink data in n-th DRX cycle by controlling the mobile terminal,
I & lt common frequency measurement is performed, it is possible thereby to avoid mobile terminal from repeatedly opening in n-th DRX cycle
Antenna, effectively reduces the power consumption of the mobile terminal.
It is understandable to enable the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings
The specific embodiment of the present invention is described in detail.
As shown in figure 1, in an embodiment of the present invention, there is provided a kind of mobile terminal cell measuring method.
Methods described following steps:
Whether step 11, the initial time for detecting each common frequency measurement of the mobile terminal is located at DRX cycle
It is interior.
It should be noted that in an embodiment of the present invention, the mobile terminal is referred to can be in movement
The computer equipment for using, including but not limited to mobile phone, notebook, panel computer and vehicle-mounted computer etc.
Equipment.The mobile terminal can only support a kind of communication pattern, it is also possible to support two kinds of communication patterns,
The communication pattern of three kinds or more can also be supported, as long as the communication pattern supported includes LTE
Pattern.The quantity of the concrete communication pattern that can be supported regardless of the mobile terminal, not structure
Into limitation of the present invention, and within protection scope of the present invention.
For example, the communication pattern that the mobile terminal can be supported is following at least one:WLAN
(Wireless Local Area Network, WLAN), global system for mobile communications (Global System
For Mobile, GSM), TD SDMA (Time Division-Synchronous Code
Division Multiple Access, TD-SCDMA), WCDMA (Wideband Code
Division Multiple Access, WCDMA) and CDMA (Code Division Multiple
Access, CDMA) 2000 etc..In an embodiment of the present invention, with leading to that the mobile terminal is supported
Letter pattern is to illustrate as a example by WCDMA.
When the mobile terminal resides in WCDMA cells, under DRX states, on the one hand can be with
By the relevant information for receiving the system message of base station transmission to obtain DRX cycle, and respectively at each
Receiving data in DRX cycle.Wherein, the relevant information of the DRX cycle includes the length of DRX cycle
It is used for the information such as the length of receiving data in degree and DRX cycle.It is described in each DRX cycle
Mobile terminal needs to open antenna receiving data.On the other hand, the measurement message that can be sent by base station,
Frequency point information to be measured is obtained, and the frequency to being obtained is measured, subsequently to carry out cell weight
Choosing or cell switching etc..
For example, as shown in Fig. 2 the mobile terminal is under current state, the quantity of DRX cycle is N
It is individual, wherein, the 1st DRX cycle is DRX1, the length of the 2nd DRX cycle is DRX2... ...,
The length of n-th DRX cycle is DRXn... ..., the length of n-th DRX cycle is DRXN。
It is DRX in the length of n-th DRX cyclenInterior, the time span for receiving downlink data is Bn.As schemed
Shown in 3, the mobile terminal carries out P measurement under current state, altogether, wherein, survey with frequency for the first time
The time span of amount is C1, the time span of second common frequency measurement is C2... ..., i & lt common frequency measurement
Time span be Ci... ..., the time span of the P time common frequency measurement is CP.Wherein, N, P are
Positive integer, and 1≤i≤P, 1≤n≤N.
Specified according to 3GPP, length DRX of n-th DRX cycleiCan be 4 frames, 8 frames, 16
Frame or 32 frames, correspondingly, the time span of the i & lt common frequency measurement is CiCan be 1 frame, 2 frames,
4 frames, 8 frames or 12 frames.Wherein, 1 frame is equal to 10ms.Concrete DRXiAnd CiValue it is unrestricted
System, as long as Ci≤DRXi.
Whether the initial time for detecting each common frequency measurement of the mobile terminal is located in DRX cycle, that is, examine
In surveying P measurement, every time whether the initial time of measurement is located at the arbitrary cycle pair in N number of DRX cycle
In the time period answered.For example, as seen in figures 2 and 3, the positive direction of transverse axis is time growing direction.
In Fig. 2, n-th DRX cycle DRXiLength be (t2-t1).In figure 3, the mobile terminal
The initial time of i & lt common frequency measurement is t3.As t2≤t3≤t1, the mobile terminal i & lt is with frequency
The initial time of measurement is located in n-th DRX cycle.
Step 12, when the mobile terminal i & lt common frequency measurement initial time be located at n-th DRX it is all
When in the phase, while the control mobile terminal receives downlink data in n-th DRX cycle,
I & lt common frequency measurement is performed, i and n is positive integer.
As shown in Fig. 2 the length in n-th DRX cycle is DRXnIt is interior, receive downlink data when
Between length BnThat is (t4-t5).When the initial time of the mobile terminal i & lt common frequency measurement is located at n-th
When in DRX cycle, control the mobile terminal and receive downlink data in n-th DRX cycle
While, perform i & lt common frequency measurement, that is, control the mobile terminal and perform i & lt measurement at the t4 moment
And reception downlink data.Now, the mobile terminal can reduce the time and number of times for opening antenna,
Therefore power consumption can effectively be reduced.
In being embodied as, the mobile terminal is performed after common frequency measurement, performs different-frequency measure.According to 3GPP
Agreement specifies, in some cases, the interval between the different measurement in adjacent both sides is hundreds of frame, causes
When the mobile terminal is in DRX states, under the weaker environment of present mode signal, it is susceptible to
The situation of net.For the problem, in specifically implementing, methods described can also include:Step 13 is (not
Illustrate), the interval between described mobile terminal jth time+1 different-frequency measure of different-frequency measure and jth of control
Span is [40 frames, 80 frames], and j is positive integer.By the mobile terminal jth time different-frequency measure and the
40 frames are disposed on between 80 frames, it is possible to reduce the mobile terminal between j+1 different-frequency measure
Because the occurrence of adjacent common frequency measurement twice interval is long causes to fall net.Such as, can be by jth time alien frequencies
60 frames are set between measurement and+1 different-frequency measure of jth, i.e., every 60 frame carries out an alien frequencies and surveys
Amount.
Further, due to performing during different-frequency measure, the alien frequencies frequency to be measured is little with current service
The frequency in area is inconsistent, therefore, it can that the execution of different-frequency measure is arranged on the free time of DRX cycle
It is interior, to make full use of the idle periods of DRX cycle, reduce the mobile terminal power consumption.Wherein, to described
Alien frequencies frequency to be measured performs different-frequency measure and namely the corresponding cell of the frequency is measured, and has
Body in turn includes the following steps:Slot synchronization, frame synchronization and scrambler code group identification and main scrambler identification three
The individual stage.
Specifically, methods described can also include:Step 14 (not shown), when the mobile terminal n-th
The finish time of individual DRX cycle with receive downlink data in n-th DRX cycle at the end of
When the difference carved is less than preset value, the control mobile terminal is in n-th DRX cycle and under reception
After row data, part measurement is carried out to the corresponding cell of the alien frequencies frequency to be measured, and after
DRX cycle in the measurement of other parts is carried out to the corresponding cell of alien frequencies frequency.
The finish time of n-th DRX cycle with receive downlink data in n-th DRX cycle
Finish time difference be less than preset value, then the mobile terminal cannot be in the free time of n-th DRX cycle
Complete the perfect measurement to the corresponding cell of alien frequencies frequency in phase, thus can control it is described it is mobile eventually
End is in n-th DRX cycle and receives after downlink data, to an alien frequencies frequency to be measured
Corresponding cell is carried out in part measurement, and the DRX cycle after to the corresponding cell of alien frequencies frequency
Carry out the measurement of other parts.Wherein, the part of the described pair of alien frequencies frequency respective cell measures can be
Slot synchronization, frame synchronization and scrambler code group identification and main scrambler recognize one or two in three phases.
Such as, the alien frequencies frequency respective cell can be performed with receiving in n-th DRX cycle after downlink data
The measurement process of slot synchronization and frame synchronization, after receiving downlink data in n+1 DRX cycle, to this
The measurement process of the alien frequencies frequency respective cell main scrambler identification when performing.
When the finish time of n-th DRX cycle of the mobile terminal and in n-th DRX cycle
When the difference of the interior finish time for receiving downlink data is more than or equal to preset value, controls the mobile terminal and exist
In n-th DRX cycle and after reception downlink data, to the alien frequencies frequency correspondence to be measured
Cell carry out perfect measurement.Wherein, the preset value is the alien frequencies under the mobile terminal present mode
Measurement capability value.Such as, under WCDMA mode, different-frequency measure energy value is 8 to the mobile terminal
Frame.
For example, as shown in Fig. 2 when the finish time t2 and n-th DRX of n-th DRX cycle are all
When the difference that the finish time t5 of downlink data is received in phase is less than preset value, the mobile terminal cannot be in t5
The measurement to an alien frequencies frequency respective cell is completed to the t2 time periods, now can be in t5 to the t2 times
Complete the part to the alien frequencies frequency respective cell in section to measure, and it is all in one or more follow-up DRX
Complete the other parts to the alien frequencies frequency respective cell in phase to measure.
Can be seen that in an embodiment of the present invention by above content, methods described can be in the movement
When the initial time of terminal i & lt common frequency measurement is located in n-th DRX cycle, by controlling the shifting
While dynamic terminal receives downlink data in n-th DRX cycle, i & lt common frequency measurement is performed,
It is possible thereby to avoid mobile terminal that antenna is repeatedly opened in n-th DRX cycle, the shifting is effectively reduced
The power consumption of dynamic terminal.
In order that those skilled in the art more fully understand and realize the present invention, individually below to above-mentioned movement
The corresponding mobile terminal of terminal housing estate measuring method is described in detail.
As shown in figure 4, in an embodiment of the present invention, there is provided a kind of mobile terminal 40, the movement
Terminal 40 can include:The control unit 42 of detector unit 41 and first.Wherein:
The detector unit 41 is adapted to detect for the initial time of each common frequency measurement of the mobile terminal 40
It is no in DRX cycle.First control unit 42 be suitable to when the detector unit detect it is described
When the initial time of mobile terminal i & lt common frequency measurement is located in n-th DRX cycle, the shifting is controlled
While dynamic terminal receives downlink data in n-th DRX cycle, i & lt common frequency measurement is performed,
I and n is positive integer.
In being embodied as, the mobile terminal 40 can also include:Second control unit 43.Described
Two control units 43 are suitable to when the mobile terminal carries out different-frequency measure, control the mobile terminal jth
The span at the interval between+1 different-frequency measure of secondary different-frequency measure and jth is [40 frames, 80 frames], and j is
Positive integer.Such as, second control unit 43 can control the mobile terminal jth time different-frequency measure
Between+1 different-frequency measure of jth at intervals of 60 frames.
In being embodied as, the mobile terminal 40 can also include:3rd control unit 44.3rd control
Unit processed 44, is suitable to when the finish time of n-th DRX cycle of the mobile terminal and described n-th
When the difference that the finish time of downlink data is received in individual DRX cycle is less than preset value, the movement is controlled eventually
End is in n-th DRX cycle and receives after downlink data, to an alien frequencies frequency pair to be measured
The cell answered is carried out in part measurement, and the DRX cycle after to the corresponding cell of the alien frequencies frequency
Carry out the measurement of other parts.Wherein, the preset value is the alien frequencies under the mobile terminal present mode
Measurement capability value.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment
Suddenly can be by program to instruct the hardware of correlation to complete, the program can be stored in a computer can
In reading storage medium, storage medium can include:ROM, RAM, disk or CD etc..
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art,
Without departing from the spirit and scope of the present invention, can make various changes or modifications, therefore the guarantor of the present invention
Shield scope should be defined by claim limited range.
Claims (8)
1. a kind of mobile terminal cell measuring method, it is characterised in that include:
When the initial time of the mobile terminal i & lt common frequency measurement is located in n-th DRX cycle,
While controlling the mobile terminal and receive downlink data in n-th DRX cycle, i-th is performed
Secondary common frequency measurement, i and n are positive integer.
2. mobile terminal cell measuring method as claimed in claim 1, it is characterised in that also include:Control
The span at the interval between the mobile terminal jth+1 different-frequency measure of time different-frequency measure and jth is
[40 frames, 80 frames], j is positive integer.
3. mobile terminal cell measuring method as claimed in claim 2, it is characterised in that the jth time is different
Frequency measurement and+1 different-frequency measure of jth between at intervals of 60 frames.
4. the mobile terminal cell measuring method as described in any one of claim 1-3, it is characterised in that also wrap
Include:
When the finish time of n-th DRX cycle of the mobile terminal and in n-th DRX cycle
When the difference of the interior finish time for receiving downlink data is less than preset value, the mobile terminal is controlled described n-th
In individual DRX cycle and after reception downlink data, the corresponding cell of an alien frequencies frequency to be measured is carried out
Part measures, and carries out other parts to the corresponding cell of the alien frequencies frequency in the DRX cycle after
Measurement, the preset value is the different-frequency measure ability value under the mobile terminal present mode.
5. a kind of mobile terminal, it is characterised in that include:
Whether detector unit, the initial time for being adapted to detect for each common frequency measurement of the mobile terminal is located at
In DRX cycle;
First control unit, is suitable to when the detector unit detects the mobile terminal i & lt common frequency measurement
Initial time when being located in n-th DRX cycle, control the mobile terminal in n-th DRX
While receiving downlink data in cycle, i & lt common frequency measurement is performed, i and n is positive integer.
6. mobile terminal as claimed in claim 5, it is characterised in that also include:Second control unit, fits
In when the mobile terminal carries out different-frequency measure, the mobile terminal jth time different-frequency measure and the are controlled
The span at the interval between j+1 different-frequency measure is [40 frames, 80 frames], and j is positive integer.
7. mobile terminal as claimed in claim 6, it is characterised in that the second control unit control is described
Between mobile terminal jth+1 different-frequency measure of time different-frequency measure and jth at intervals of 60 frames.
8. the mobile terminal as described in any one of claim 5-7, it is characterised in that also include:3rd control
Unit, is suitable to when the finish time of n-th DRX cycle of the mobile terminal and in n-th DRX
When the difference that the finish time of downlink data is received in cycle is less than preset value, the mobile terminal is controlled in institute
State in n-th DRX cycle and receive after downlink data, it is corresponding little to an alien frequencies frequency to be measured
Area carries out carrying out it to the corresponding cell of the alien frequencies frequency in part measurement, and the DRX cycle after
The measurement of his part, the preset value is the different-frequency measure ability value under the mobile terminal present mode.
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CN201510728590.4A CN106658549B (en) | 2015-10-30 | 2015-10-30 | Mobile terminal and its cell measuring method |
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CN106658549B CN106658549B (en) | 2019-06-07 |
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CN101299890A (en) * | 2008-06-20 | 2008-11-05 | 中兴通讯股份有限公司 | Measurement control method and apparatus based on non-continuation receiving mode |
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CN101686551A (en) * | 2008-09-22 | 2010-03-31 | 大唐移动通信设备有限公司 | Communication control method based on priority management and device |
CN103458446A (en) * | 2012-06-01 | 2013-12-18 | 华为技术有限公司 | Method and device for removing measurement conflict |
US20150117231A1 (en) * | 2013-10-28 | 2015-04-30 | Qualcomm Incorporated | Inter frequency measurement scheduling in discontinuous reception (drx) mode |
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CN101299890A (en) * | 2008-06-20 | 2008-11-05 | 中兴通讯股份有限公司 | Measurement control method and apparatus based on non-continuation receiving mode |
CN101686551A (en) * | 2008-09-22 | 2010-03-31 | 大唐移动通信设备有限公司 | Communication control method based on priority management and device |
CN101610538A (en) * | 2009-07-21 | 2009-12-23 | 北京天碁科技有限公司 | The measurement scheduling method of terminal and device in a kind of long evolving system |
CN103458446A (en) * | 2012-06-01 | 2013-12-18 | 华为技术有限公司 | Method and device for removing measurement conflict |
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