CN108541030A - Residence reselecting, device and user equipment - Google Patents
Residence reselecting, device and user equipment Download PDFInfo
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- CN108541030A CN108541030A CN201710123085.6A CN201710123085A CN108541030A CN 108541030 A CN108541030 A CN 108541030A CN 201710123085 A CN201710123085 A CN 201710123085A CN 108541030 A CN108541030 A CN 108541030A
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- adjacent cells
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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- Computer Networks & Wireless Communication (AREA)
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Abstract
A kind of residence reselecting, device and user equipment, the method includes：In Idle state, Cellular Networks adjacent cell and MTC adjacent cells are searched for；The Cellular Networks adjacent cell searched and the MTC adjacent cells searched are measured；Target cell is determined as the MTC adjacent cells according at least to measurement result and reselection conditions, the Target cell is cell to be accessed.Technical solution can ensure the communication quality of user equipment under very low signal-to-noise ratio scene through the invention.
Description
Technical field
The present invention relates to a kind of field of communication technology more particularly to residence reselecting, device and user equipmenies.
Background technology
In long term evolution (Long Term Evolution, LTE) system, user equipment (User Equipment, UE)
The channel quality of adjacent cell can be periodically measured, and safeguard a cell list, to carry out cell reselection.When in cell list
Optimum subdistrict when meeting certain criterion, this cell can be classified as Target cell by UE, obtained its system information and verified, test
After card passes through, UE is with regard to gravity treatment to Target cell.When the cell in cell list is unsatisfactory for reselection conditions, UE can rest on former small
Area continues the channel quality for measuring neighboring community.
In the prior art, if the work signal-to-noise ratio of UE is less than certain value, for example, Long Term Evolution upgrade version
(LTE-Advanced) minimum work signal-to-noise ratio is -6dB, and UE can check the signal quality of adjacent cell, higher if there is having
The cell of signal-to-noise ratio, UE is with regard to gravity treatment to Target cell, to ensure the communication quality of UE.
But when UE is in Arctic ice area scene (such as basement, mine or the very poor region of base station spreadability)
When, the channel quality of neighboring community is all very poor.For UE in cell reselection, it is impossible to meet cell re-selection conditions for adjacent cell, then
UE can not gravity treatment to suitable Target cell, reliable communication cannot be continued, or even cause in UE voices or data service
It is disconnected, cause poor user experience.
Invention content
Present invention solves the technical problem that being to improve the communication quality of user equipment how under low signal-to-noise ratio scene.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of residence reselecting, residence reselecting includes：
In Idle state, Cellular Networks adjacent cell and MTC adjacent cells are searched for；It is adjacent to the Cellular Networks adjacent cell searched and the MTC searched
Cell measures；Target cell is determined as the MTC adjacent cells, the target according at least to measurement result and reselection conditions
Cell is cell to be accessed.
Optionally, described that Target cell is determined as the MTC adjacent cells packet according at least to measurement result and reselection conditions
It includes：The reselection conditions are not met in the Cellular Networks adjacent cell for completing to measure, and the MTC adjacent cells for completing to measure meet institute
When stating reselection conditions, the system information of the MTC adjacent cells for completing to measure is obtained；To the MTC adjacent cells for completing to measure
System information verified；After being verified, the Target cell is determined as the MTC adjacent cells.
Optionally, residence reselecting further includes：The MTC adjacent cells are accessed using the system information, and use MTC
Mechanism is communicated with the MTC adjacent cells own base station.
Optionally, it is described using MTC mechanism and the MTC adjacent cells own base station communicate including：It is more in the time domain
Secondary repetition, and communicated using frequency-hopping mode on frequency domain.
Optionally, the MTC adjacent cells that the completion measures meet the reselection conditions and refer to：The MTC for completing to measure
Adjacent cell meets S criterion and/or R criterion.
Optionally, the described pair of MTC adjacent cell searched measure including：The MTC adjacent cells that described search is arrived
At least one of frequency, cell ID, Reference Signal Received Power and Reference Signal Received Quality measure.
Optionally, further include after described search Cellular Networks adjacent cell and MTC adjacent cells：The Cellular Networks that described search is arrived
Cell list is added in the MTC adjacent cells that adjacent cell and described search arrive.
In order to solve the above technical problems, the embodiment of the invention also discloses a kind of cell reselection device, cell reselection device
Including：Search module is suitable in Idle state, searches for Cellular Networks adjacent cell and MTC adjacent cells；Measurement module is suitable for search
To Cellular Networks adjacent cell and the MTC adjacent cells that search measure；Determining module, suitable for according at least to measurement result and again
Select condition that Target cell is determined as the MTC adjacent cells, the Target cell is cell to be accessed.
Optionally, the determining module includes：System information acquiring unit is suitable in the Cellular Networks adjacent cell for completing to measure
Do not meet the reselection conditions, and when the MTC adjacent cells for completing to measure meet the reselection conditions, obtains the completions survey
The system information of the MTC adjacent cells of amount；Authentication unit is suitable for carrying out the system information of the MTC adjacent cells for completing to measure
Verification；Determination unit, suitable for after being verified, the Target cell is determined as the MTC adjacent cells.
Optionally, the cell reselection device further includes：AM access module is suitable for using described in system information access
MTC adjacent cells, and communicated with the MTC adjacent cells own base station using MTC mechanism.
Optionally, the AM access module includes：Communication unit suitable for being repeated several times in the time domain, and uses on frequency domain
Frequency-hopping mode is communicated.
Optionally, the MTC adjacent cells that the completion measures meet the reselection conditions and refer to：The MTC for completing to measure
Adjacent cell meets S criterion and/or R criterion.
Optionally, the measurement module to described search to frequency, cell ID, the reference signal of MTC adjacent cells connect
At least one of power and Reference Signal Received Quality is received to measure.
Optionally, the cell reselection device further includes：Module is added, suitable for the Cellular Networks adjacent cell for arriving described search
Cell list is added in the MTC adjacent cells arrived with described search.
In order to solve the above technical problems, the embodiment of the invention also discloses a kind of user equipment, the user equipment includes
The cell reselection device.
Compared with prior art, the technical solution of the embodiment of the present invention has the advantages that：
UE searches for Cellular Networks adjacent cell and MTC adjacent cells in Idle state in technical solution of the present invention；To the bee searched
Nest net adjacent cell and the MTC adjacent cells searched measure；It is according at least to measurement result and reselection conditions that Target cell is true
It is set to the MTC adjacent cells, the Target cell is cell to be accessed.Technical solution of the present invention is when searching for cell, simultaneously
Search for Cellular Networks adjacent cell and MTC adjacent cells, and the MTC adjacent cells searched measured, finally according to measurement result and
Target cell is determined as the MTC adjacent cells by reselection conditions；It is small in no available Cellular Networks neighbour under low signal-to-noise ratio scene
It is initiatively Target cell by MTC adjacent cell gravity treatments when area can select, when there is data transmission, to use MTC neighbours
Cell carries out data transmission, and it includes voice or the communication function of data service to continue reliable completion using MTC technologies；In addition,
By MTC technologies, it is also possible that communication function low-power consumption, covering are extensively.
Further, described that Target cell is determined as the MTC adjacent cells packet according at least to measurement result and reselection conditions
It includes：The reselection conditions are not met in the Cellular Networks adjacent cell for completing to measure, and the MTC adjacent cells for completing to measure meet institute
When stating reselection conditions, the system information of the MTC adjacent cells for completing to measure is obtained；To the MTC adjacent cells for completing to measure
System information verified；After being verified, the Target cell is determined as the MTC adjacent cells.The technology of the present invention
Scheme determines that UE supports the communication of the MTC adjacent cells after meeting reselection conditions to MTC adjacent cells, according to system information, or
The MTC adjacent cells allow to access, then Target cell is determined as the MTC adjacent cells, further to ensure that UE can use MTC
Adjacent cell carries out data transmission, and improves the communication quality of user equipment.
Description of the drawings
Fig. 1 is a kind of flow chart of residence reselecting of the embodiment of the present invention；
Fig. 2 is the flow chart of another kind residence reselecting of the embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of cell reselection device of the embodiment of the present invention.
Specific implementation mode
As described in the background art, when UE Arctic ice area scene (such as basement or base station spreadability it is very poor
Region), the channel quality of neighboring community is all very poor.UE in cell reselection, adjacent cell it is impossible to meet cell re-selection conditions,
Then UE can not gravity treatment to suitable Target cell, reliable communication cannot be continued, or even cause UE voices or data service
It interrupts, causes poor user experience.
The present invention proposes that a kind of residence reselecting simultaneously scans for Cellular Networks adjacent cell and MTC neighbour is small when searching for cell
Area, and the MTC adjacent cells searched are measured, Target cell is finally determined as by institute according to measurement result and reselection conditions
State MTC adjacent cells；Under low signal-to-noise ratio scene, when no available Cellular Networks adjacent cell can select, initiatively will
MTC adjacent cell gravity treatments are Target cell, when to there is data transmission, to be carried out data transmission using MTC adjacent cells, utilize MTC
It includes voice or the communication function of data service that technology, which continues reliable completion,；In addition, by MTC technologies, it is also possible that logical
Believe that power consumption is lower, covering is wider.
Wherein, MTC cells are carried out using machine type communication (Machine Type Communications, MTC) technology
The cell of communication.MTC is a kind of technology of Internet of things based on LTE evolution.MTC is disposed based on cellular network, and maximum can be with
Support the peak rate of uplink and downlink 1Mbps.
To make the above purposes, features and advantages of the invention more obvious and understandable, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.
Fig. 1 is a kind of flow chart of residence reselecting of the embodiment of the present invention.
The residence reselecting of the embodiment of the present invention can be executed in user equipment side.
Residence reselecting shown in FIG. 1 may comprise steps of：
Step S101：In Idle state, Cellular Networks adjacent cell and MTC adjacent cells are searched for；
Step S102：The Cellular Networks adjacent cell searched and the MTC adjacent cells searched are measured；
Step S103：Target cell is determined as the MTC adjacent cells according at least to measurement result and reselection conditions, it is described
Target cell is cell to be accessed.
In specific implementation, when UE is at Idle state (Idle), the quality reduction of serving cell signal (such as shift in position,
Signal quality caused by the factors such as signal intensity declines), cell reselection is usually done, to determine a suitable cell.Really
Fixed cell can be used when UE is in connected state (Connected).
In specific implementation, in step S101, UE can execute the operation of cell searching.When searching for cell, UE can be with
Cellular Networks adjacent cell and MTC adjacent cells are all scanned for.Specifically, the purpose of cell searching be find it is one or more small
Area, to measure assessment to its signal quality.Specifically, the step of cell searching is as follows：Pass through primary synchronization signal
(primary Synchronization signal), UE obtain slot synchronization with cell；After slot synchronization, auxiliary synchronous letter is used
The synchronous code of number (secondary Synchronization signal) realizes frame synchronization.
It will be apparent to a skilled person that Cellular Networks adjacent cell can carry out mobile communication using honeycomb
Cell, for example, Cellular Networks adjacent cell can be 2G (2-Generation)/3G (3-Generation)/4G (4-
Generation)/5G (5-Generation) Cellular Networks cell.Specifically, 4G Cellular Networks cell can be LTE cells；MTC is small
Area can refer to the cell covered using the base station of MTC technologies, such as can be CatM1 cells；Adjacent cell can refer to
The adjacent cell of serving cell.Since data transmission mechanism is different from Cellular Networks data transmission mechanism in MTC technologies, in low noise
Than that under scene, can optimize data transmission using MTC cells, improve communication quality.
It should be noted that machine type communication can be enhanced the technology after LTE technical optimizations for scenes of internet of things
Cruising ability, expands coverage area, and MTC includes at least enhancing machine type communication (enhanced Machine Type
Communications, eMTC) and further enhance machine type communication (Further enhanced MTC, FeMTC).
In specific implementation, in step s 102, the Cellular Networks adjacent cell searched and the MTC adjacent cells searched are carried out
It measures.Specifically, being measured respectively to Cellular Networks adjacent cell and MTC adjacent cells, to obtain to Cellular Networks adjacent cell and MTC
The assessment of the signal quality of adjacent cell obtains the measurement knot to the Cellular Networks adjacent cell searched and the MTC adjacent cells searched
Fruit.
It is understood that before step S102, UE has completed the measurement to serving cell, and obtains serving cell
Signal quality assessment result.The process measured to Cellular Networks adjacent cell and MTC adjacent cells may be used in the prior art
The mode of cell measurement, the embodiment of the present invention are without limitation.
In specific implementation, in step s 103, Target cell is determined as institute according at least to measurement result and reselection conditions
MTC adjacent cells are stated, the Target cell is cell to be accessed.Specifically, the survey of adjacent cell can be obtained through step S102
Amount is as a result, in step s 103, by the measurement result of adjacent cell compared with the signal quality of serving cell, meeting gravity treatment
When condition, indicate that the signal of adjacent cell is more excellent compared with the signal of serving cell, then the adjacent cell can be determined that target is small
Area.
In specific implementation, under the severe scene of the channel circumstance of cellular network system, Cellular Networks adjacent cell can not be by gravity treatment
For Target cell；And the work signal-to-noise ratio of MTC cells will be far below Cellular Networks cell, even if signal-to-noise ratio very low MTC cells if can
Normal work.Therefore when Cellular Networks adjacent cell is unsatisfactory for reselection conditions, MTC adjacent cells can meet reselection conditions, then MTC is adjacent
Cell can be determined that Target cell.Further, it is transmitted since the physical layer mechanism of MTC technologies exists to be repeated several times, example
Such as, at most up to 2048 times, therefore the communication of MTC cells is not influenced by low signal-to-noise ratio, when determining Target cell, can be incited somebody to action
Target cell is determined as MTC adjacent cells.
The embodiment of the present invention can be selected as Target cell under low signal-to-noise ratio scene, in no available Cellular Networks adjacent cell
When, it is initiatively Target cell by MTC adjacent cell gravity treatments, so that when there is data transmission, data biography is carried out using MTC adjacent cells
Defeated, it includes voice or the communication function of data service to continue reliable completion using MTC technologies；In addition, by MTC technologies, also
Communication function low-power consumption, covering can be made wide.
It is understood that UE can support MTC technologies in the present embodiment, using the MTC mechanism for Internet of Things, complete
At the cell reselection for supporting MTC cells while normal function.UE passes through skill shown in Fig. 1 under exceedingly odious channel condition
Art scheme, UE can be selected to be switched under MTC mode and be worked, and ensure that communication is not disrupted.
Preferably, it may comprise steps of after step S101：Cellular Networks adjacent cell that described search is arrived and described
Cell list is added in the MTC adjacent cells searched.Specifically, after the completion of cell searching, the Cellular Networks that can will search
Cell list is added in the MTC adjacent cells that adjacent cell and described search arrive, in subsequent measurement, to be arranged according to cell
Table carries out the operations such as corresponding measurement to cell.Specifically, it in cell list may include Cellular Networks adjacent cell and MTC adjacent cells
Cell ID and/or residing frequency etc..
Further, UE can also be safeguarded and be updated to cell list.
Preferably, step S102 may comprise steps of：The frequency for the MTC adjacent cells that described search is arrived, cell mark
Knowledge, Reference Signal Received Power (Reference Signal Receiving Power, RSRP) and Reference Signal Received Quality
At least one of (Reference Signal Receiving Quality, RSRQ) is measured.
Preferably, step S103 may comprise steps of：Do not meet in the Cellular Networks adjacent cell for completing to measure described heavy
It selects condition, and when the MTC adjacent cells for completing to measure meet the reselection conditions, it is small to obtain the MTC neighbour for completing to measure
The system information in area；The system information of the MTC adjacent cells for completing to measure is verified；It, will be described after being verified
Target cell is determined as the MTC adjacent cells.
Specifically, the system information of MTC adjacent cells may include Master Information Block (Main Information Block,
MIB) message, 1 class system information block (System Information Block 1, SIB1) message and system information (system
Information, SI) message.
Specifically, after the system information of UE acquisition MTC adjacent cells, it can judge that can UE support this according to system information
The communication of MTC adjacent cells, or judge whether the MTC adjacent cells permit accessing.If it is, indicating to be verified, UE can be with
The Target cell is determined as the MTC adjacent cells.
Further, the MTC adjacent cells for completing to measure meet the reselection conditions and refer to：The MTC for completing to measure is adjacent
Cell meets S criterion and/or R criterion.It will be apparent to a skilled person that S criterion (S-criterion) and R criterion
(R-criterion) be LTE system cell reselection process cell selection criterion, the present embodiment is without limitation.Need into
One step illustrates, when judging whether MTC adjacent cells and Cellular Networks adjacent cell meet S criterion and/or R criterion, MTC cells
The specific implementation of S criterion and/or R criterion and threshold value may be different from the S criterion and/or R criterion of Cellular Networks cell.
It should be noted that when determining Target cell according to measurement result and reselection conditions, if there is Cellular Networks, neighbour is small
Area meets reselection conditions, then Cellular Networks adjacent cell is determined as Target cell by UE；Otherwise, UE is adjacent by the MTC for meeting reselection conditions
Cell is determined as Target cell.
Preferably, residence reselecting shown in FIG. 1 can also include the following steps：Institute is accessed using the system information
MTC adjacent cells are stated, and are communicated with the MTC adjacent cells own base station using MTC mechanism.That is, mesh is determined
Cell is marked for after MTC adjacent cells, once UE has data to send or receive, then the MTC adjacent cells can be accessed, into even
State is connect, and is communicated with the MTC adjacent cells own base station using MTC mechanism.Specifically, the data communicated with base station
It can be voice data.
The present embodiment ensures in the case of Cellular Networks adjacent cell poor signal quality, can be carried out using MTC adjacent cells
Communication improves the communication quality under low signal-to-noise ratio scene.
Further, with the MTC adjacent cells own base station communicate using MTC mechanism may include：In the time domain
It is repeated several times, and is communicated using frequency-hopping mode on frequency domain.Specifically, MTC technologies are in physical layer communication mechanism and LTE
System is different, MTC technologies on frequency domain using frequency-hopping transmissions by the way of, in time using repeatedly transmission by the way of, to protect
Demonstrate,prove the normal communication in the case of low signal-to-noise ratio.
Fig. 2 is the flow chart of another kind residence reselecting of the embodiment of the present invention.
In step s 201, the search to Cellular Networks adjacent cell, and the search to MTC adjacent cells are executed.For search
The Cellular Networks adjacent cell and MTC adjacent cells arrived, can be added cell list.
In step S202, serving cell is measured, to obtain the signal quality of serving cell.Specifically, can
It is measured with the RSRP and RSRQ to serving cell.
In step S203, Cellular Networks adjacent cell and MTC adjacent cells are measured, with obtain Cellular Networks adjacent cell and
The signal quality of MTC adjacent cells.Specifically, respectively in cell list Cellular Networks adjacent cell and MTC adjacent cells survey
Amount；Measurement obtains frequency, cell ID, RSRP and RSRQ of Cellular Networks adjacent cell and MTC adjacent cells etc..
In step S204, adjacent cell and serving cell are assessed.And judge whether Cellular Networks in step S205
Adjacent cell is more excellent.That is, according to serving cell, the measurement result of Cellular Networks adjacent cell and MTC adjacent cells, Cellular Networks are determined
Whether the signal quality of adjacent cell and MTC adjacent cells is better than the signal quality of serving cell.If the signal of Cellular Networks adjacent cell
Better than the signal of serving cell, then S206 is entered step, S208 is otherwise entered step.
In step S206, the system information of Cellular Networks adjacent cell and verification are obtained.Specifically, small by Cellular Networks neighbour
The system information in area, UE may determine whether to support whether the communication of the cell or Cellular Networks adjacent cell are permitted accessing.If
It is then in step S207, to determine that Target cell is Cellular Networks adjacent cell.
Similarly, in step S208, the system information of MTC adjacent cells and verification are obtained.Specifically, passing through MTC neighbours
The system information of cell, UE may determine whether to support whether the communication of MTC adjacent cells or MTC adjacent cells are permitted accessing.Such as
Fruit is, then in step S209, determines that Target cell is Cellular Networks adjacent cell.UE once has data to need to transmit, then can connect
Enter transmission or reception that MTC adjacent cells carry out data.
The specific implementation mode of the present embodiment can refer to embodiment illustrated in fig. 1, and details are not described herein again.
Fig. 3 is a kind of structural schematic diagram of cell reselection device of the embodiment of the present invention.
Cell reselection device 30 shown in Fig. 3 may include search module 301, measurement module 302 and determining module 303.
The cell reselection device 30 of the present embodiment can be executed in user equipment side.
Wherein, search module 301 is suitable in Idle state, searches for Cellular Networks adjacent cell and MTC adjacent cells；Measurement module
302 are suitable for measuring the Cellular Networks adjacent cell searched and the MTC adjacent cells searched；Determining module 303 is suitable at least
Target cell is determined as the MTC adjacent cells according to measurement result and reselection conditions, the Target cell is to be accessed small
Area.
It is understood that before measurement module 302 measures, UE has completed the measurement to serving cell, and
Obtain the Signal quality assessment result of serving cell.Measurement module 302 measures Cellular Networks adjacent cell and MTC adjacent cells
The mode of cell measurement in the prior art may be used in process, and the embodiment of the present invention is without limitation.
Further, under the severe scene of the channel circumstance of cellular network system, Cellular Networks adjacent cell can not be by gravity treatment
Target cell；And the work signal-to-noise ratio of MTC cells will be far below Cellular Networks cell, even if signal-to-noise ratio very low MTC cells if can be just
Often work.Therefore when Cellular Networks adjacent cell is unsatisfactory for reselection conditions, MTC adjacent cells can meet reselection conditions, then MTC neighbour is small
Area can be determined that Target cell.Further, it is transmitted since the physical layer mechanism of MTC technologies exists to be repeated several times, example
Such as, at most up to 2048 times, therefore the communication of MTC cells is not influenced by low signal-to-noise ratio, when determining Target cell, can be incited somebody to action
Target cell is determined as MTC adjacent cells.
The embodiment of the present invention simultaneously scans for Cellular Networks adjacent cell and MTC adjacent cells when searching for cell, and to searching
MTC adjacent cells measure, and Target cell is finally determined as the MTC adjacent cells according to measurement result and reselection conditions；
Under low signal-to-noise ratio scene, when no available Cellular Networks adjacent cell can select, it is by MTC adjacent cell gravity treatments initiatively
Target cell is continued reliable complete when there is data transmission, to be carried out data transmission using MTC adjacent cells using MTC technologies
At the communication function for including voice or data service；In addition, by MTC technologies, it is also possible that communication function low-power consumption, covering
Extensively.
Preferably, cell reselection device 30 shown in Fig. 3 can also include that module 304 is added, and addition module 304 is suitable for will
Described search to Cellular Networks adjacent cell and the MTC adjacent cells that arrive of described search cell list is added.
Preferably, measurement module 302 can be to the frequency for the MTC adjacent cells that described search arrives, cell ID, reference signal
At least one of power and Reference Signal Received Quality is received to measure.
Preferably, determining module 303 may include system information acquiring unit 3031, authentication unit 3032 and determination unit
3033.Wherein, system information acquiring unit 3031 is suitable for not meeting the reselection conditions in the Cellular Networks adjacent cell for completing to measure,
And the MTC adjacent cells for completing to measure are when meeting the reselection conditions, the system for obtaining the MTC adjacent cells for completing to measure
Information；Authentication unit 3032 is suitable for verifying the system information of the MTC adjacent cells for completing to measure；Determination unit 3033
Suitable for after being verified, the Target cell is determined as the MTC adjacent cells.
Further, the MTC adjacent cells that the completion measures meet the reselection conditions and refer to：What the completion measured
MTC adjacent cells meet S criterion and/or R criterion.
Preferably, cell reselection device 30 shown in Fig. 3 can also include AM access module 305.AM access module 305 is suitable for
The MTC adjacent cells are accessed using the system information, and are led to the MTC adjacent cells own base station using MTC mechanism
Letter.
Further, AM access module 305 may include communication unit 3051.Communication unit 3051 is suitable in the time domain repeatedly
It repeats, and is communicated using frequency-hopping mode on frequency domain.
Operation principle, more contents of working method about the cell reselection device 30, are referred to Fig. 1 to Fig. 2
In associated description, which is not described herein again.
The embodiment of the invention also discloses a kind of user equipment, the user equipment may include cell weight shown in Fig. 3
Screening device 30.The cell reselection device 30 can be internally integrated in the user equipment, to execute skill shown in fig. 1 or fig. 2
Art scheme.The user equipment can be the equipment such as mobile phone, tablet computer, computer.
It is understood that user equipment can support MTC technologies in the present embodiment, can be led to using MTC mechanism
Letter.That is, user equipment can support the cell reselection of MTC cells and MTC small while completing normal function
The access in area.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in computer readable storage medium, to store
Medium may include：ROM, RAM, disk or CD etc..
Although present disclosure is as above, present invention is not limited to this.Any those skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (15)
1. a kind of residence reselecting, which is characterized in that including：
In Idle state, Cellular Networks adjacent cell and MTC adjacent cells are searched for；
The Cellular Networks adjacent cell searched and the MTC adjacent cells searched are measured；
Target cell is determined as the MTC adjacent cells according at least to measurement result and reselection conditions, the Target cell is to wait for
The cell of access.
2. residence reselecting according to claim 1, which is characterized in that described according at least to measurement result and gravity treatment item
Target cell is determined as the MTC adjacent cells by part：
The reselection conditions are not met in the Cellular Networks adjacent cell for completing to measure, and the MTC adjacent cells measured of completing meet
When the reselection conditions, the system information of the MTC adjacent cells for completing to measure is obtained；
The system information of the MTC adjacent cells for completing to measure is verified；
After being verified, the Target cell is determined as the MTC adjacent cells.
3. residence reselecting according to claim 2, which is characterized in that further include：
Access the MTC adjacent cells using the system information, and using MTC mechanism and the MTC adjacent cells own base station into
Row communication.
4. residence reselecting according to claim 3, which is characterized in that described small using MTC mechanism and the MTC neighbour
Area's own base station carries out communication：
It is repeated several times, and is communicated using frequency-hopping mode on frequency domain in the time domain.
5. residence reselecting according to claim 2, which is characterized in that the MTC adjacent cells measured of completing meet
The reselection conditions refer to：The MTC adjacent cells for completing to measure meet S criterion and/or R criterion.
6. residence reselecting according to claim 1, which is characterized in that the described pair of MTC adjacent cell searched carries out
Measurement includes：
To frequency, cell ID, Reference Signal Received Power and the Reference Signal Received Quality of the MTC adjacent cells that described search arrives
At least one of measure.
7. residence reselecting according to claim 1, which is characterized in that described search Cellular Networks adjacent cell and MTC are adjacent
Further include after cell：
By described search to Cellular Networks adjacent cell and the MTC adjacent cells that arrive of described search cell list is added.
8. a kind of cell reselection device, which is characterized in that including：
Search module is suitable in Idle state, searches for Cellular Networks adjacent cell and MTC adjacent cells；
Measurement module is measured suitable for the Cellular Networks adjacent cell to searching with the MTC adjacent cells searched；
Determining module, it is described suitable for Target cell is determined as the MTC adjacent cells according at least to measurement result and reselection conditions
Target cell is cell to be accessed.
9. cell reselection device according to claim 8, which is characterized in that the determining module includes：
System information acquiring unit, suitable for not meeting the reselection conditions in the Cellular Networks adjacent cell for completing to measure, and it is described complete
When meeting the reselection conditions at the MTC adjacent cells of measurement, the system information of the MTC adjacent cells for completing to measure is obtained；
Authentication unit is verified suitable for the system information to the MTC adjacent cells for completing to measure；
Determination unit, suitable for after being verified, the Target cell is determined as the MTC adjacent cells.
10. cell reselection device according to claim 9, which is characterized in that further include：
AM access module is suitable for accessing the MTC adjacent cells using the system information, and small using MTC mechanism and the MTC neighbour
Area's own base station is communicated.
11. cell reselection device according to claim 10, which is characterized in that the AM access module includes：
Communication unit suitable for being repeated several times in the time domain, and is communicated on frequency domain using frequency-hopping mode.
12. cell reselection device according to claim 9, which is characterized in that the MTC adjacent cells measured of completing meet
The reselection conditions refer to：The MTC adjacent cells for completing to measure meet S criterion and/or R criterion.
13. cell reselection device according to claim 8, which is characterized in that the measurement module arrived described search
At least one of frequency, cell ID, Reference Signal Received Power and Reference Signal Received Quality of MTC adjacent cells are surveyed
Amount.
14. cell reselection device according to claim 8, which is characterized in that further include：
Module is added, suitable for by described search to Cellular Networks adjacent cell and the MTC adjacent cells that arrive of described search cell row are added
Table.
15. a kind of user equipment, which is characterized in that including such as claim 8 to 14 any one of them cell reselection device.
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