CN106171007B - A kind of method, apparatus and terminal of determining reselection target cell - Google Patents
A kind of method, apparatus and terminal of determining reselection target cell Download PDFInfo
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- CN106171007B CN106171007B CN201480037242.6A CN201480037242A CN106171007B CN 106171007 B CN106171007 B CN 106171007B CN 201480037242 A CN201480037242 A CN 201480037242A CN 106171007 B CN106171007 B CN 106171007B
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- 238000005259 measurement Methods 0.000 claims abstract description 820
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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
- H04W36/304—Reselection being triggered by specific parameters by measured or perceived connection quality data due to measured or perceived resources with higher communication quality
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Abstract
The embodiment of the invention provides the methods and terminal of a kind of determining reselection target cell, for solving the problems, such as that terminal existing in the prior art determines that reselection target cell power consumption is larger.This method comprises: when the priority cell list for determining terminal maintenance is not sky, signal measurement is carried out to each cell, the corresponding measurement result of each cell is obtained, each cell is the corresponding each cell of each cell ID carried in the list of priority cell；It determines in the obtained corresponding measurement result of each cell to exist and meets the first measurement result to impose a condition；The corresponding cell of measurement result for selecting determining satisfaction first to impose a condition carries out the Target cell of cell reselection as the terminal.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of method, apparatus and terminal of determining reselection target cell.
Background technique
Internet of Things (Machine to Machine, abbreviation M2M), i.e. machine type communication (Machine Type
Communication, abbreviation MTC), refer to and information and data are transmitted mutually by wireless network between machine and machine.Internet of Things
Net is widely used in multiple fields, including intelligent meter data recording system, intelligent transportation, building control system, family intelligent control system, video
Monitoring system or industry monitoring etc..
M2M equipment is battery powered more and enormous amount, and often a monitoring network needs ten hundreds of monitoring sections
It puts and more dispersed, therefore can be a great workload to system conversion one-shot battery, it is desirable to the systems of M2M equipment
It can be realized lower power consumption, the battery number of longer stand-by time, replacement M2M equipment is reduced, therefore is reduced M2M and set
Standby power consumption is exactly to compel highly necessary to solve the problems, such as at present.
In cell reselection, terminal receives the adjacent cell list of the serving cell for the terminal that network side is sent, then to neighbour
The corresponding each adjacent cell of adjacent cell mark carried in cell list carries out signal quality measured.Since terminal is needed to adjacent small
All adjacent cells of the serving cell for the terminal for including in area's list measure, therefore UE measures all adjacent cells
Power consumption it is relatively large.
Summary of the invention
It is existing for solving the embodiment of the invention provides the method, apparatus and terminal of a kind of determining reselection target cell
Terminal present in technology determines the larger problem of reselection target cell power consumption.
In a first aspect, the embodiment of the invention provides a kind of devices of determining reselection target cell, comprising:
First determination unit, for determining that the priority cell list of terminal maintenance is not empty；
Measuring unit is right when for determining that the priority cell list of terminal maintenance is not sky in first determination unit
Each cell carries out signal measurement, obtains the corresponding measurement result of each cell, and each cell is priority cell column
The corresponding each cell of each cell ID carried in table；
Second determination unit is deposited for determining in the corresponding measurement result of each cell that the measuring unit measurement obtains
In the measurement result that satisfaction first imposes a condition；
Selecting unit, the measurement result that the satisfaction first for selecting second determination unit to determine imposes a condition are corresponding
Cell as the terminal carry out cell reselection Target cell.
With reference to first aspect, in the first possible implementation of the first aspect, the measuring unit, is also used to
When first determination unit determines the priority cell of terminal maintenance list is empty, signal measurement is carried out to each adjacent cell, is obtained
To the corresponding measurement result of each adjacent cell, each adjacent cell is the adjacent cell column that the terminal is currently located serving cell
The corresponding each adjacent cell of each cell ID carried in table；
Second determination unit is also used to determine the corresponding measurement of each adjacent cell that the measuring unit measurement obtains
As a result exist in and meet the second measurement result to impose a condition；
The selecting unit, the corresponding adjacent cell of the measurement result for being also used to that determining satisfaction second is selected to impose a condition are made
The Target cell of cell reselection is carried out for the terminal；
Described device further include:
Storage unit, the cell ID of the Target cell for selecting the selecting unit are stored in the priority cell
In list.
With reference to first aspect, in the second possible implementation of the first aspect, the measuring unit is also used to work as
Second determination unit determines that there is no meet the first survey to impose a condition in the obtained corresponding measurement result of each cell
When measuring result, signal measurement is carried out to each adjacent cell, obtains the corresponding measurement result of each adjacent cell, each adjacent cell
The corresponding each adjacent cell of each cell ID carried in the adjacent cell list of serving cell is currently located for the terminal；
Second determination unit is also used to determine the corresponding measurement of each adjacent cell that the measuring unit measurement obtains
As a result exist in and meet the second measurement result to impose a condition；
The selecting unit, the corresponding adjacent cell of the measurement result for being also used to that determining satisfaction second is selected to impose a condition are made
The Target cell of cell reselection is carried out for the terminal；
Described device further include:
Storage unit, the cell ID of the Target cell for selecting the selecting unit are stored in the priority cell
In list.
With reference to first aspect, in a third possible implementation of the first aspect, further include timing unit:
First determination unit is also used to determine when list is empty for priority cell of terminal maintenance, triggers the timing
Unit starts timing；Or second determination unit, it is also used to determine in the obtained corresponding measurement result of each cell not
There are when the measurement result of the setting condition of satisfaction first, triggers the timing unit and start timing；
The timing unit, for triggering the measuring unit respectively to each adjacent cell and institute in each time-out
Current service cell where stating terminal carries out signal measurement, and each adjacent cell is that the current service where the terminal is small
The corresponding each adjacent cell of each cell ID carried in the adjacent cell list in area；
The selecting unit is also used to measure for the measuring unit when timing unit is overtime every time
The corresponding measurement result of each adjacent cell and the current service cell, if second determination unit determines the current clothes
When the measurement result for cell of being engaged in is less than the measurement result of any adjacent cell, selected most in the corresponding measurement result of each adjacent cell
The corresponding adjacent cell of big measurement result carries out the Target cell of cell reselection as the terminal.
The possible implementation of with reference to first aspect the first or second of possible implementation, in first aspect
The 4th kind of possible implementation in, include co-frequency neighbor cell list and iso-frequency adjacent community list in the adjacent cell list
When, the measuring unit is measured for the cell signal to each iso-frequency adjacent community, and it is corresponding to obtain each iso-frequency adjacent community
Measurement result, each iso-frequency adjacent community is that each cell ID for carrying is corresponding each in the list of iso-frequency adjacent community
A iso-frequency adjacent community；
Second determination unit, the corresponding measurement in each iso-frequency adjacent community for being obtained when the measuring unit measurement
When there is the measurement result for meeting the second setting condition in as a result, determine full in the obtained corresponding measurement result of each adjacent cell
The measurement result that foot second imposes a condition；
Or
The measuring unit, for when there is no meet in the corresponding measurement result in each iso-frequency adjacent community that measurement obtains
When the measurement result of the second setting condition, signal measurement is carried out to each co-frequency neighbor cell, it is corresponding to obtain each co-frequency neighbor cell
Measurement result, each co-frequency neighbor cell is that each cell ID for carrying is corresponding each in co-frequency neighbor cell list
A co-frequency neighbor cell；
Second determination unit, for determining that the measuring unit measurement obtains the corresponding measurement in each co-frequency neighbor cell
As a result meet the second measurement result to impose a condition in.
The possible implementation of with reference to first aspect the first or second of possible implementation, in first aspect
The 5th kind of possible implementation in, the adjacent cell list carry adjacent cell mark include co-frequency neighbor cell mark and
When iso-frequency adjacent community identifies, it is adjacent to obtain each alien frequencies for carrying out signal measurement to each iso-frequency adjacent community for the measuring unit
The corresponding measurement result of cell, each iso-frequency adjacent community are each iso-frequency adjacent community mark carried in the adjacent cell list
Know corresponding each iso-frequency adjacent community；
Second determination unit, for obtaining the corresponding measurement knot in each iso-frequency adjacent community when the measuring unit measurement
When there is the measurement result for meeting the second setting condition in fruit, determine in the obtained corresponding measurement result in each iso-frequency adjacent community
Meet the second measurement result to impose a condition；
Or
The measuring unit, for obtaining in the corresponding measurement result in each iso-frequency adjacent community that there is no meet the when measurement
When the measurement result of two setting conditions, signal measurement is carried out to each co-frequency neighbor cell, it is corresponding to obtain each co-frequency neighbor cell
Measurement result, each co-frequency neighbor cell are corresponding each for each co-frequency neighbor cell mark carried in the adjacent cell list
A co-frequency neighbor cell；
Second determination unit, for determining that the measuring unit measurement obtains the corresponding measurement in each co-frequency neighbor cell
As a result meet the second measurement result to impose a condition in.
With reference to first aspect and first aspect the first is any into the 5th kind of possible implementation,
In 6th kind of possible implementation of one side, when the priority cell list includes alien-frequency district list and co-frequency cell column
When table, the measuring unit obtains the corresponding measurement knot in each alien-frequency district for carrying out signal measurement to each alien-frequency district
Fruit, each alien-frequency district are the corresponding each alien-frequency district of each cell ID carried in the list of alien-frequency district；
Second determination unit, for obtaining the corresponding measurement result in each alien-frequency district when the measuring unit measurement
When the middle measurement result that there is the first setting condition of satisfaction, determines and meet in the obtained corresponding measurement result in each alien-frequency district
First measurement result to impose a condition；
Or
The measuring unit, for meeting first when measurement obtains being not present in the corresponding measurement result in each alien-frequency district
When the measurement result of setting condition, signal measurement is carried out to each co-frequency cell, obtains the corresponding measurement knot in each co-frequency cell
Fruit, the co-frequency cell are the corresponding each co-frequency cell of each cell ID carried in the list of co-frequency cell；
Second determination unit, the corresponding measurement in each co-frequency cell obtained for determining the measuring unit measurement
As a result meet the first measurement result to impose a condition in.
With reference to first aspect and first aspect the first is any into the 5th kind of possible implementation,
In 7th kind of possible implementation of one side, when the priority cell list carries co-frequency cell mark and alien-frequency district mark
When knowledge, the measuring unit obtains the corresponding measurement knot in each alien-frequency district for carrying out signal measurement to each alien-frequency district
Fruit, each alien-frequency district are that each alien-frequency district carried in the list of priority cell identifies corresponding each alien-frequency district；
Second determination unit, for obtaining the corresponding measurement in each alien-frequency district when the determining measuring unit measurement
When there is the measurement result for meeting the first setting condition in as a result, determine in the obtained corresponding measurement result in each alien-frequency district
Meet the first measurement result to impose a condition；
Or
The measuring unit, for when there is no meet the in the obtained corresponding measurement result in each alien-frequency district of measurement
When the measurement result of one setting condition, signal measurement is carried out to each co-frequency cell, obtains the corresponding measurement in each co-frequency cell
As a result, each co-frequency cell is corresponding each small with frequency for each co-frequency cell mark carried in the list of priority cell
Area；
Second determination unit, the corresponding measurement result in each co-frequency cell obtained for determining the measuring unit
It is middle to meet the first measurement result to impose a condition.
Second aspect, the embodiment of the invention also provides a kind of methods of determining reselection target cell, comprising:
When the priority cell list for determining terminal maintenance is not sky, signal measurement is carried out to each cell, is obtained described
The corresponding measurement result of each cell, each cell are that each cell ID carried in the list of priority cell respectively corresponds
Each cell；
It determines in the obtained corresponding measurement result of each cell to exist and meets the first measurement result to impose a condition；
The corresponding cell of measurement result for selecting determining satisfaction first to impose a condition carries out cell weight as the terminal
The Target cell of choosing.
In conjunction with second aspect, in the first possible implementation of the second aspect, the method also includes:
When list is empty for the priority cell for determining terminal maintenance, signal measurement is carried out to each adjacent cell, is obtained each
The corresponding measurement result of adjacent cell, each adjacent cell are currently located in the adjacent cell list of serving cell for the terminal and take
The corresponding each adjacent cell of each cell ID of band；
It determines in the obtained corresponding measurement result of each adjacent cell to exist and meets the second measurement result to impose a condition；
The corresponding adjacent cell of measurement result for selecting determining satisfaction second to impose a condition carries out cell as the terminal
The Target cell of gravity treatment, and the cell ID of the Target cell of selection is stored in the priority cell list.
In conjunction with second aspect, in a second possible implementation of the second aspect, the method also includes:
Meet the first measurement result to impose a condition when determining to be not present in the obtained corresponding measurement result of each cell
When, signal measurement is carried out to each adjacent cell, obtains the corresponding measurement result of each adjacent cell, each adjacent cell is described
Terminal is currently located the corresponding each adjacent cell of each cell ID carried in the adjacent cell list of serving cell；
It determines in the obtained corresponding measurement result of each adjacent cell to exist and meets the second measurement result to impose a condition；
The corresponding adjacent cell of measurement result for selecting determining satisfaction second to impose a condition carries out cell as the terminal
The Target cell of gravity treatment, and the cell ID of the Target cell of selection is stored in the priority cell list.
In conjunction with second aspect, in the third possible implementation of the second aspect, the method also includes:
When list is empty for the priority cell for determining terminal maintenance or when determining the obtained corresponding measurement of each cell
As a result there is no when the measurement result for meeting the first setting condition in, start preset timer, it is overtime every time in the timer
When, signal measurement, each adjacent cell are carried out to the current service cell where each adjacent cell and the terminal respectively
The corresponding each neighbour of each cell ID carried in adjacent cell list for the current service cell where the terminal
Cell；
The each adjacent cell and the current service cell measured when overtime every time for timer is corresponding
Measurement result, however, it is determined that the measurement result of the current service cell be less than any adjacent cell measurement result when, each
The corresponding adjacent cell of maximum measurement result is selected to carry out cell reselection as the terminal in the corresponding measurement result of adjacent cell
Target cell.
In conjunction with the first possible implementation or second of possible implementation of second aspect, in second aspect
The 4th kind of possible implementation in, the adjacent cell list includes co-frequency neighbor cell list and iso-frequency adjacent community list；
Signal measurement is carried out to each adjacent cell, obtains the corresponding measurement result of each adjacent cell, determination obtains each
Meet the second measurement result to impose a condition in the corresponding measurement result of adjacent cell, comprising:
The cell signal of each iso-frequency adjacent community is measured, the corresponding measurement result in each iso-frequency adjacent community is obtained,
Each iso-frequency adjacent community is small for the corresponding each alien frequencies neighbour of each cell ID carried in the list of iso-frequency adjacent community
Area；
Meet the second measurement result to impose a condition when existing in the obtained corresponding measurement result in each iso-frequency adjacent community
When, it determines and meets the second measurement result to impose a condition in the obtained corresponding measurement result of each adjacent cell；
Or
When there is no meet the second measurement knot to impose a condition in the obtained corresponding measurement result in each iso-frequency adjacent community
When fruit, signal measurement is carried out to each co-frequency neighbor cell, obtains the corresponding measurement result in each co-frequency neighbor cell, it is described each same
Frequency adjacent district is the corresponding each co-frequency neighbor cell of each cell ID carried in co-frequency neighbor cell list；
It determines and obtains meeting the second measurement result to impose a condition in the corresponding measurement result in each co-frequency neighbor cell.
In conjunction with the first possible implementation or second of possible implementation of second aspect, in second aspect
The 5th kind of possible implementation in, the adjacent cell mark that the adjacent cell list carries includes co-frequency neighbor cell mark and different
Frequency adjacent district mark；
Signal measurement is carried out to each adjacent cell, obtains the corresponding measurement result of each adjacent cell, determination obtains each
Meet the second measurement result to impose a condition in the corresponding measurement result of adjacent cell, comprising:
Signal measurement is carried out to each iso-frequency adjacent community, obtains the corresponding measurement result in each iso-frequency adjacent community, it is described each
A iso-frequency adjacent community is that each iso-frequency adjacent community carried in the adjacent cell list identifies corresponding each iso-frequency adjacent community；
When obtaining having the measurement result for meeting the second setting condition in the corresponding measurement result in each iso-frequency adjacent community,
It determines and meets the second measurement result to impose a condition in the obtained corresponding measurement result in each iso-frequency adjacent community；
Or
When obtaining in the corresponding measurement result in each iso-frequency adjacent community, there is no meet the second measurement result to impose a condition
When, signal measurement is carried out to each co-frequency neighbor cell, obtains the corresponding measurement result in each co-frequency neighbor cell, it is described each with frequency
Adjacent cell is that each co-frequency neighbor cell carried in the adjacent cell list identifies corresponding each co-frequency neighbor cell；
It determines and obtains meeting the second measurement result to impose a condition in the corresponding measurement result in each co-frequency neighbor cell.
It is any into the 5th kind of possible implementation in conjunction with the first of second aspect and first aspect,
In 6th kind of possible implementation of two aspects, the priority cell list includes alien-frequency district list and co-frequency cell column
Table；
Signal measurement is carried out to each cell, obtains the corresponding measurement result of each cell, determines obtained each cell
Meet the first measurement result to impose a condition in corresponding measurement result, comprising:
Signal measurement is carried out to each alien-frequency district, obtains the corresponding measurement result in each alien-frequency district, it is described each different
Frequency cell is the corresponding each alien-frequency district of each cell ID carried in the list of alien-frequency district；
When obtaining having the measurement result for meeting the first setting condition in the corresponding measurement result in each alien-frequency district, really
Surely meet the first measurement result to impose a condition in the corresponding measurement result in each alien-frequency district obtained；
Or
When obtaining that the measurement result for meeting the first setting condition is not present in the corresponding measurement result in each alien-frequency district,
Signal measurement is carried out to each co-frequency cell, obtains the corresponding measurement result in each co-frequency cell, the co-frequency cell is with frequency
The corresponding each co-frequency cell of each cell ID carried in cell list；
It determines and meets the first measurement result to impose a condition in the obtained corresponding measurement result in each co-frequency cell.
It is any into the 5th kind of possible implementation in conjunction with the first of second aspect and second aspect,
In 7th kind of possible implementation of two aspects, the priority cell list carries co-frequency cell mark and alien-frequency district mark
Know；
Signal measurement is carried out to each cell, obtains the corresponding measurement result of each cell, determines obtained each cell
Meet the first measurement result to impose a condition in corresponding measurement result, comprising:
Signal measurement is carried out to each alien-frequency district, obtains the corresponding measurement result in each alien-frequency district, it is described each different
Frequency cell is that each alien-frequency district carried in the list of priority cell identifies corresponding each alien-frequency district；
Meet the first measurement result to impose a condition when determining to obtain existing in the corresponding measurement result in each alien-frequency district
When, it determines and meets the first measurement result to impose a condition in the obtained corresponding measurement result in each alien-frequency district；
Or
When there is no meet the first measurement result to impose a condition in the obtained corresponding measurement result in each alien-frequency district
When, signal measurement is carried out to each co-frequency cell, obtains the corresponding measurement result in each co-frequency cell, each co-frequency cell
Each co-frequency cell to carry in the list of priority cell identifies corresponding each co-frequency cell；
It determines and meets the first measurement result to impose a condition in the obtained corresponding measurement result in each co-frequency cell.
The third aspect, the embodiment of the invention provides a kind of terminals, comprising:
Processor and memory；
The memory, for storing the priority cell list of the terminal maintenance；
The processor, for when determining the priority cell list of memory storage is not sky, to each cell
Signal measurement is carried out, the corresponding measurement result of each cell is obtained, each cell is to carry in the list of priority cell
The corresponding each cell of each cell ID；It determines in the obtained corresponding measurement result of each cell to exist and meets the
One measurement result to impose a condition；The corresponding cell of measurement result for selecting determining satisfaction first to impose a condition is as the end
End carries out the Target cell of cell reselection.
In conjunction with the third aspect, in the first possible implementation of the third aspect, the processor is also used to:
When list is empty for the priority cell for determining the memory storage, signal measurement is carried out to each adjacent cell, is obtained
To the corresponding measurement result of each adjacent cell, each adjacent cell is the adjacent cell column that the terminal is currently located serving cell
The corresponding each adjacent cell of each cell ID carried in table；
It determines in the obtained corresponding measurement result of each adjacent cell to exist and meets the second measurement result to impose a condition；
The corresponding adjacent cell of measurement result for selecting determining satisfaction second to impose a condition carries out cell as the terminal
The Target cell of gravity treatment, and the cell ID of the Target cell of selection is stored in the priority cell list.
In conjunction with the third aspect, in the second possible implementation of the third aspect, the processor is also used to:
Meet the first measurement result to impose a condition when determining to be not present in the obtained corresponding measurement result of each cell
When, signal measurement is carried out to each adjacent cell, obtains the corresponding measurement result of each adjacent cell, each adjacent cell is described
Terminal is currently located the corresponding each adjacent cell of each cell ID carried in the adjacent cell list of serving cell；
It determines in the obtained corresponding measurement result of each adjacent cell to exist and meets the second measurement result to impose a condition；
The corresponding adjacent cell of measurement result for selecting determining satisfaction second to impose a condition carries out cell as the terminal
The Target cell of gravity treatment, and the cell ID of the Target cell of selection is stored in the priority cell list.
In conjunction with the third aspect, in the third possible implementation of the third aspect, further includes:
Timer, when list is empty for determining the priority cell of memory storage when the processor or when true
Surely there is no when the measurement result for meeting the first setting condition in the corresponding measurement result of each cell obtained, start timing,
In each time-out, triggers the processor and the current service cell where each adjacent cell and the terminal is carried out respectively
Signal measurement, each adjacent cell be the terminal where current service cell adjacent cell list in carry it is each small
Area identifies corresponding each adjacent cell；
The processor, each adjacent cell for being also used to measure when overtime every time for timer and described
The corresponding measurement result in current service cell, however, it is determined that the measurement result of the current service cell is less than the survey of any adjacent cell
When measuring result, select the corresponding adjacent cell of maximum measurement result as the end in the corresponding measurement result of each adjacent cell
End carries out the Target cell of cell reselection.
In conjunction with the first possible implementation or second of possible implementation of the third aspect, in the third aspect
The 4th kind of possible implementation in, include co-frequency neighbor cell list and iso-frequency adjacent community list in the adjacent cell list
When, the processor is specifically used for:
The cell signal of each iso-frequency adjacent community is measured, the corresponding measurement result in each iso-frequency adjacent community is obtained,
Each iso-frequency adjacent community is small for the corresponding each alien frequencies neighbour of each cell ID carried in the list of iso-frequency adjacent community
Area；
Meet the second measurement result to impose a condition when existing in the obtained corresponding measurement result in each iso-frequency adjacent community
When, it determines and meets the second measurement result to impose a condition in the obtained corresponding measurement result of each adjacent cell；
Or
When there is no meet the second measurement knot to impose a condition in the obtained corresponding measurement result in each iso-frequency adjacent community
When fruit, signal measurement is carried out to each co-frequency neighbor cell, obtains the corresponding measurement result in each co-frequency neighbor cell, it is described each same
Frequency adjacent district is the corresponding each co-frequency neighbor cell of each cell ID carried in co-frequency neighbor cell list；
It determines and obtains meeting the second measurement result to impose a condition in the corresponding measurement result in each co-frequency neighbor cell.
It is any into the 5th kind of possible implementation in conjunction with the first of the third aspect and the third aspect,
In 6th kind of possible implementation of three aspects, when the adjacent cell mark that the adjacent cell list carries includes co-frequency neighbor cell
When mark and iso-frequency adjacent community mark, the processor is specifically used for:
Signal measurement is carried out to each iso-frequency adjacent community, obtains the corresponding measurement result in each iso-frequency adjacent community, it is described each
A iso-frequency adjacent community is that each iso-frequency adjacent community carried in the adjacent cell list identifies corresponding each iso-frequency adjacent community；
When obtaining having the measurement result for meeting the second setting condition in the corresponding measurement result in each iso-frequency adjacent community,
It determines and meets the second measurement result to impose a condition in the obtained corresponding measurement result in each iso-frequency adjacent community；
Or
When obtaining in the corresponding measurement result in each iso-frequency adjacent community, there is no meet the second measurement result to impose a condition
When, signal measurement is carried out to each co-frequency neighbor cell, obtains the corresponding measurement result in each co-frequency neighbor cell, it is described each with frequency
Adjacent cell is that each co-frequency neighbor cell carried in the adjacent cell list identifies corresponding each co-frequency neighbor cell；
It determines and obtains meeting the second measurement result to impose a condition in the corresponding measurement result in each co-frequency neighbor cell.
It is any into the 5th kind of possible implementation in conjunction with the first of the third aspect and the third aspect,
In 6th kind of possible implementation of three aspects, when the priority cell list of memory storage includes alien-frequency district list
When with co-frequency cell list, the processor is specifically used for:
Signal measurement is carried out to each alien-frequency district, obtains the corresponding measurement result in each alien-frequency district, it is described each different
Frequency cell is the corresponding each alien-frequency district of each cell ID carried in the list of alien-frequency district；
When obtaining having the measurement result for meeting the first setting condition in the corresponding measurement result in each alien-frequency district, really
Surely meet the first measurement result to impose a condition in the corresponding measurement result in each alien-frequency district obtained；
Or
When obtaining that the measurement result for meeting the first setting condition is not present in the corresponding measurement result in each alien-frequency district,
Signal measurement is carried out to each co-frequency cell, obtains the corresponding measurement result in each co-frequency cell, the co-frequency cell is with frequency
The corresponding each co-frequency cell of each cell ID carried in cell list；
It determines and meets the first measurement result to impose a condition in the obtained corresponding measurement result in each co-frequency cell.
It is any into the 5th kind of possible implementation in conjunction with the first of the third aspect and the third aspect,
In 7th kind of possible implementation of three aspects, when the priority cell list of memory storage carries co-frequency cell mark
When with alien-frequency district mark, the processor is specifically used for:
Signal measurement is carried out to each alien-frequency district, obtains the corresponding measurement result in each alien-frequency district, it is described each different
Frequency cell is that each alien-frequency district carried in the list of priority cell identifies corresponding each alien-frequency district；
Meet the first measurement result to impose a condition when determining to obtain existing in the corresponding measurement result in each alien-frequency district
When, it determines and meets the first measurement result to impose a condition in the obtained corresponding measurement result in each alien-frequency district；
Or
When there is no meet the first measurement result to impose a condition in the obtained corresponding measurement result in each alien-frequency district
When, signal measurement is carried out to each co-frequency cell, obtains the corresponding measurement result in each co-frequency cell, each co-frequency cell
Each co-frequency cell to carry in the list of priority cell identifies corresponding each co-frequency cell；
It determines and meets the first measurement result to impose a condition in the obtained corresponding measurement result in each co-frequency cell.
Using scheme provided by the invention, when the priority cell list for determining terminal maintenance is not sky, to priority cell
The corresponding each adjacent cell of the cell ID carried in list carries out signal measurement, obtains the corresponding measurement knot of each adjacent cell
Fruit；According to measurement result selection target cell.By the list of terminal maintenance priority cell, only for the priority cell of terminal maintenance
The corresponding each cell of the cell ID carried in list carries out signal measurement, therefore reduces adjacent cell measurement quantity, accelerates
The speed of determining reselection target cell, to reduce the power consumption of terminal.
Detailed description of the invention
Fig. 1 is a kind of schematic device of determining reselection target cell provided in an embodiment of the present invention；
Fig. 2 is a kind of terminal schematic diagram provided in an embodiment of the present invention；
Fig. 3 is a kind of method flow diagram of determining reselection target cell provided in an embodiment of the present invention；
Fig. 4 is another method flow diagram for determining reselection target cell provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
The techniques described herein may be used in various communication systems, such as current 2G, 3G communication system and next generation communication
System, such as global system for mobile communications (Global System for Mobile communications, abbreviation GSM), code
Divide multiple access (Code Division Multiple Access, abbreviation CDMA) system, time division multiple acess (Time Division
Multiple Access, abbreviation TDMA) system, wideband code division multiple access (Wideband Code Division Multiple
Access Wireless, abbreviation WCDMA), frequency division multiple access (Frequency Division Multiple Addressing, letter
Claim FDMA) system, orthogonal frequency division multiple access (Orthogonal Frequency-Division Multiple Access, referred to as
OFDMA) system, Single Carrier Frequency Division Multiple Access (abbreviation SC-FDMA) system, General Packet Radio Service (General Packet Radio
Service, abbreviation GPRS) system, long term evolution (Long Term Evolution, abbreviation LTE) system and other are such
Communication system.
Provide the method, apparatus and terminal of a kind of determining reselection target cell in the embodiment of the present invention, method, apparatus and
Terminal be based on the same inventive concept, since the principle that method, apparatus and terminal solve the problems, such as is similar, device, terminal
Implementation with method can be with cross-reference, and overlaps will not be repeated.
The embodiment of the invention provides a kind of devices of determining reselection target cell, as shown in Figure 1, the device includes:
First determination unit 101, for determining that the priority cell list of terminal maintenance is not empty.
Measuring unit 102, for determining that the priority cell list of terminal maintenance is not empty in first determination unit 101
When, signal measurement is carried out to each cell, obtains the corresponding measurement result of each cell, each cell is preferential small
The corresponding each cell of each cell ID carried in area's list.
Wherein, the signal of measurement can be reference signal or physical broadcast synchronizing channel (Physical Broadcast
Synchronization Channel, abbreviation PBSCH) on sequence or symbol, then may include in measurement result it is following at least
One:
Reference Signal Received Power (Reference Signal Receiving Power, abbreviation RSRP), reference signal
The quality of reception (Reference Signal Receiving Quality, abbreviation RSRQ), the reception power of the upper sequence of PBSCH,
The quality of reception of sequence on PBSCH, the reception power of the symbol on PBSCH, the quality of reception of the symbol on PBSCH.
The signal of measurement can also be other signals, channel or sequence on other channels, symbol etc., to this at this
It is not especially limited in inventive embodiments.
It should be noted that being either directed to the measurement of co-frequency cell in embodiments of the present invention, or small for alien frequencies
Priority cell list can be set in the measurement in area.
Second determination unit 103, for determining that the measuring unit 102 measures the obtained corresponding measurement knot of each cell
Exist in fruit and meets the first measurement result to impose a condition.
Selecting unit 104, the measurement knot that the satisfaction first for selecting second determination unit 103 to determine imposes a condition
The corresponding cell of fruit carries out the Target cell of cell reselection as the terminal.
It should be noted that scheme provided in an embodiment of the present invention is applicable in co-frequency cell and alien-frequency district.
Using scheme provided by the invention, when the priority cell list for determining terminal maintenance is not sky, to priority cell
The corresponding each adjacent cell of the cell ID carried in list carries out signal measurement, obtains the corresponding measurement knot of each adjacent cell
Fruit；According to measurement result selection target cell.By the list of terminal maintenance priority cell, only for the priority cell of terminal maintenance
The corresponding each cell of the cell ID carried in list carries out signal measurement, therefore reduces adjacent cell measurement quantity, accelerates
The speed of selection target cell, to reduce the power consumption of terminal.
It, specifically can be with for other measurement results below for including in the measurement results RSRP value and/or RSRQ value
Referring to implementation, repeated no more in the embodiment of the present invention.
Determine that there is the measurement result for meeting the first setting condition in the obtained corresponding measurement result of each cell corresponds to
Cell specifically can with but be not limited only in the following manner:
The first implementation:
It includes condition 1, condition 2 and condition 3 that first, which imposes a condition,.
S is calculated according to S criterion calculation formula in condition 1, cell RSRP valuerxlevGreater than preset first power threshold,
And/or S is calculated according to S criterion calculation formula according to cell RSRQ valuequalIt is small greater than preset first quality threshold
Area.
The signal quality grade of condition 2, the cell determined according to measurement result and R criterion is greater than the signal of serving cell
Credit rating；
Condition 3, the maximum cell of signal quality grade point.
Specifically, being executed respectively for the corresponding each cell of cell ID in the list of priority cell:
S is calculated according to S criterion calculation formula according to cell RSRP valuerxlev, and/or pressed according to cell RSRQ value
S is calculated according to S criterion calculation formulaqual；
Select SrxlevGreater than preset first power threshold and/or SqualCell greater than preset first quality threshold is made
For cell to be selected；
The signal quality grade of cell to be selected is determined according to measurement result and R criterion, and determines the current service of terminal
The signal quality grade of the signal quality grade of cell, cell to be selected and serving cell to acquisition is ranked up, to be selected small
It is maximum to be greater than selection signal credit rating in the cell of the signal quality grade of serving cell for selection signal credit rating in area
Cell is as Target cell.Wherein, the measurement result of the current service cell of terminal can be obtaining of measuring in advance, Huo Zheyu
The corresponding each cell of cell ID measures obtain simultaneously in the list of priority cell, and to this, the present invention is not specifically limited.
Second of implementation:
It includes condition 1, condition 2 and condition 3 that first, which imposes a condition,.
Condition 1, the RSRQ of cell is greater than preset second quality threshold and/or RSRP is greater than preset second power-threshold
Value.
The signal quality grade of condition 2, the cell determined according to measurement result and R criterion is greater than the signal of serving cell
Credit rating；
Condition 3, the maximum cell of signal quality grade point.
Specifically, the selecting unit 104, selects RSRQ to be greater than preset second quality threshold and/or RSRP greater than pre-
If the second power threshold each cell as cell to be selected；
Second determination unit 103 determines the signal quality etc. of cell to be selected with specific reference to measurement result and R criterion
Grade, and determine the signal quality grade of the current serving cell of terminal, and to the cell to be selected of acquisition and the signal of serving cell
Credit rating is ranked up, and the selecting unit 104 signal quality grade in cell to be selected is greater than the signal matter of serving cell
The maximum cell of selection signal credit rating is as Target cell in the cell of amount grade.
The third implementation:
It includes condition 1, condition 2 and condition 3 that first, which imposes a condition,.
The signal quality grade of condition 1, the cell determined according to measurement result and R criterion is greater than the signal of serving cell
Credit rating；
Condition 2, the maximum cell of signal quality grade point；
Condition 3 meets the corresponding threshold value of some covering grade.
In order to meet the requirement that covering increases 20dB, spread spectrum and the duplicate mode pair of time domain are used in narrowband M2M system
MPS process is extended.It include multiple covering grades in narrowband M2M system.It is covered for example, narrowband M2M system may include 3
Lid grade, Coverageclass0 indicate normal covering, and Coverageclass1 and Coverageclass2 are increased for covering
High field scape can indicate to spread over.Wherein Coverageclass2 > Coverageclass1 > Coverageclass0.It covers
Lid higher grade, and spreadability is poorer, then higher spreading factor and number of repetition can be set.For example, Coverageclass0 is not
It needs to spread and repeat, the number of repetition that Coverageclass1 and Coverageclass2 need is respectively 8/64 (referred to as 8X
And 64X).
It can be issued by network side specific to the corresponding threshold value of each covering grade, or according to the actual situation in agreement
Middle regulation.It is not especially limited in the specific embodiment of the present invention.
Specifically, the second determination unit 103 determines the cell mark in the list of priority cell according to measurement result and R criterion
Know the signal quality grade of corresponding each cell, and determine the signal quality grade of the current serving cell of terminal, to acquisition
Cell to be selected and the signal quality grade of serving cell be ranked up, the signal quality etc. in cell to be selected of selecting unit 104
Grade is greater than in the cell of the signal quality grade of serving cell, and selection signal credit rating is maximum and meets normal covering grade pair
The threshold value answered spreads over the cell of the corresponding threshold value of grade as Target cell.
It should be noted that the corresponding each cell of the cell ID carried in priority cell list here carries out letter
When number measurement, while signal measurement is carried out to the serving cell of terminal, or signal measurement etc. first can be carried out to serving cell
Deng, in the embodiment of the present invention to this measurement sequencing be not especially limited.
Wherein, S criterion calculation formula are as follows:
Srxlev=Qrxlevmeas-(Qrxlevmin+Qrxlevminoffse)-Pcompensation；
Squal=Qqualmeas-(Qqualmin+Qqualminoffset)。
In above-mentioned formula, Qrxlevminoffse、Pcompensation、QqualminoffsetIt is optionally, when these values are not present
When, above-mentioned calculation formula can simplify are as follows:
Srxlev=Qrxlevmeas-Qrxlevmin；
Squal=Qqualmeas-Qqualmin。
The specific explanations situation of parameters value in above-mentioned formula is as shown in table 1 below:
Table 1
| Squal | Cell selects quality |
| Srxlev | Cell selection reception is horizontal |
| Qqualmeas | The RSRQ of the cell measured |
| Qrxlevmeas | The RSRP of the cell measured |
| Qqualmin | Required minimum level of quality in cell |
| Qrxlevmin | Required minimum reception is horizontal in cell |
| Pcompensation | Maximum value (PEMAX-PPowerClass, 0) |
| PEMAX | UE carries out maximum transmission power when uplink |
| PpowerClass | UE maximum radio frequency transmission power |
| Qrxlevminoffse | QrelevminOffset |
| Qqualminofffset | QqualminOffset |
Wherein, when the quality of reception or symbol for receiving power or sequence that measurement result includes sequence on PBSCH
Reception power or symbol the quality of reception, the Q in above-mentioned formulaqualmeasIndicate PBSCH on serial number the quality of reception or
The quality of reception of the upper symbol of PBSCH, Q in above-mentioned formularxlevminIt indicates to accord on the reception power or PBSCH of serial number on PBSCH
Number reception power.
R criterion calculation formula are as follows:
Rs=QMeas, s+QHyst；
Rn=QMeas, n-Qoffset；
Parameters in above-mentioned formula are explained as follows:
RnIndicate the signal quality grade of adjacent cell；
RsIndicate the signal quality grade of serving cell；
Qmeas: indicate the RSRP value of cell；Wherein QMeas, sBe for the current service cell where terminal,
QMeas, nIt is for the adjacent cell of the serving cell of terminal.
QHyst: it indicates the hysteresis of the RSRP of serving cell, is selectable value.
Qoffset: the deviant between current service cell and adjacent cell where GC group connector is selectable value.
Wherein, when the quality of reception or symbol for receiving power or sequence that measurement result includes sequence on PBSCH
Reception power or symbol the quality of reception, the Q in above-mentioned formulaqualmeasIndicate PBSCH on serial number the quality of reception or
The quality of reception of the upper symbol of PBSCH, Q in above-mentioned formularxlevminIt indicates to accord on the reception power or PBSCH of serial number on PBSCH
Number reception power.
Through the above scheme, it is only necessary to it is corresponding each small to measure the cell ID carried in the priority cell list of maintenance
Area, thus selection target cell, without when needing to carry out cell reselection, measuring institute in the cell list that network side is sent every time
There is cell, to reduce the power consumption of terminal.
Further, the measuring unit 102 is also used to determine the excellent of terminal maintenance in first determination unit 101
When first cell list is empty, signal measurement is carried out to each adjacent cell, obtains the corresponding measurement result of each adjacent cell, it is described each
A adjacent cell is that be currently located each cell ID carried in the adjacent cell list of serving cell corresponding for the terminal
Each adjacent cell；
It is corresponding to be also used to determine that the measuring unit 102 measures obtained each adjacent cell for second determination unit 103
Measurement result in exist meet second impose a condition measurement result；
The selecting unit 104, the corresponding neighbour of measurement result for being also used to that determining satisfaction second is selected to impose a condition are small
Area carries out the Target cell of cell reselection as the terminal.
Described device further include:
Storage unit, the cell ID of the Target cell for selecting the selecting unit 104 are stored in described preferential
In cell list.
Wherein, it is the terminal configuration that the adjacent cell list is by network side in advance, and carries the service of the terminal
The cell ID of the adjacent cell of cell.
Further, the measuring unit 102, be also used to when second determination unit 103 determine obtain it is each small
There is no when the measurement result for meeting the first setting condition in the corresponding measurement result in area, signal survey is carried out to each adjacent cell
Amount, obtains the corresponding measurement result of each adjacent cell, and each adjacent cell is the neighbour that the terminal is currently located serving cell
The corresponding each adjacent cell of each cell ID carried in cell list；
It is corresponding to be also used to determine that the measuring unit 102 measures obtained each adjacent cell for second determination unit 103
Measurement result in exist meet second impose a condition measurement result；
The selecting unit 104, the corresponding neighbour of measurement result for being also used to that determining satisfaction second is selected to impose a condition are small
Area carries out the Target cell of cell reselection as the terminal；
Described device further include:
Storage unit, the cell ID of the Target cell for selecting the selecting unit 104 are stored in described preferential
In cell list.
It, specifically can be with for other measurement results below for including in the measurement results RSRP value and/or RSRQ value
Referring to implementation, repeated no more in the embodiment of the present invention.
Determine that there is the measurement result for meeting the first setting condition in the obtained corresponding measurement result of each cell corresponds to
Cell specifically can be in the following manner:
The first implementation:
It is executed respectively for the corresponding each adjacent cell of cell ID in adjacent cell list:
S is calculated according to S criterion calculation formula according to adjacent cell RSRP valuerxlev, and/or according to adjacent cell RSRQ
S is calculated according to S criterion calculation formula in valuequal；
Select SrxlevGreater than preset third power threshold and/or SqualGreater than the adjacent cell of preset third quality threshold
As cell to be selected.
Second determination unit 103 determines the signal quality grade of cell to be selected according to measurement result and R criterion, and determines
The signal quality grade of the signal quality grade of the current serving cell of terminal, cell to be selected and serving cell to acquisition carries out
Sequence, selecting unit 104 select in cell to be selected the maximum adjacent cell of signal quality grade as Target cell.Wherein, terminal
The measurement result of current service cell can be obtaining of measuring in advance, or it is corresponding with cell ID in adjacent cell list
Each adjacent cell measures obtain simultaneously, and to this, the present invention is not specifically limited.
Wherein, in order to enable terminal can choose the preferable cell of signal quality, it is big that the first quality threshold can be set
In third quality threshold, the first power threshold is greater than third power threshold.
Second of implementation:
Select each neighbour that RSRQ is greater than preset 4th quality threshold and/or RSRP is greater than preset 4th power threshold
Cell is as cell to be selected；
Second determination unit 103 determines the signal quality grade of cell to be selected according to measurement result and R criterion, and determines
The signal quality grade of the signal quality grade of the current serving cell of terminal, cell to be selected and serving cell to acquisition carries out
Sequence, selecting unit 104 is in cell to be selected in adjacent cell of the signal quality grade greater than the signal quality grade of serving cell
The maximum adjacent cell of selection signal credit rating is as Target cell.
Wherein, in order to enable terminal can choose the preferable cell of signal quality, it is big that the second quality threshold can be set
In the 4th quality threshold, the second power threshold is greater than the 4th power threshold.
The third implementation:
The signal of the corresponding each adjacent cell of the cell ID in adjacent cell list is determined according to measurement result and R criterion
Credit rating, and determine the signal quality grade of the current serving cell of terminal, the cell to be selected and serving cell to acquisition
Signal quality grade is ranked up, and signal quality grade is greater than the adjacent small of the signal quality grade of serving cell in cell to be selected
Qu Zhong, selection signal credit rating is maximum and meets the corresponding threshold value of normal covering grade or spreads over the corresponding threshold of grade
The adjacent cell of value is as Target cell.
Wherein, in order to enable terminal can choose the preferable cell of signal quality, the first setting condition packet can be set
The corresponding covering grade of the decision condition contained is lower than the corresponding covering grade of decision condition that the second setting condition includes.For example,
When adjacent cell meets normal covering grade, the judgement that the second setting condition includes in the decision condition that the first setting condition includes
Adjacent cell meets the second covering grade in condition.
Specific S criterion and R criterion are referred to the description in preceding embodiment, and details are not described herein by the present invention.
Further, described device further includes timing unit:
First determination unit 101 is also used to determine when list is empty for priority cell of terminal maintenance, and it is described fixed to trigger
Shi Danyuan starts timing；Or second determination unit 103, it is also used to determine the obtained corresponding measurement result of each cell
In there is no meet first impose a condition measurement result when, trigger the timing unit start timing；
The timing unit, for when each overtime, trigger the measuring unit 102 respectively to each adjacent cell and
Current service cell where the terminal carries out signal measurement, and each adjacent cell is the current service where the terminal
The corresponding each adjacent cell of each cell ID carried in the adjacent cell list of cell；
The selecting unit 104 is also used to measure for the measuring unit 102 when timing unit is overtime every time
The obtained corresponding measurement result of each adjacent cell and the current service cell, if described in second determination unit is determining
When the measurement result of current service cell is less than the measurement result of any adjacent cell, in the corresponding measurement result of each adjacent cell
The corresponding adjacent cell of maximum measurement result is selected to carry out the Target cell of cell reselection as the terminal.
Based on this, for terminal after the list gravity treatment to Target cell of priority cell, which is priority cell list
In best cell, but may not be the cell that signal is best in all adjacent cells.Therefore, by the way that timer is arranged, guarantee eventually
It holds and signal survey is carried out to the corresponding each adjacent cell of adjacent cell mark carried in the adjacent cell list at regular intervals
Amount, determines whether the serving cell of terminal is signal quality value or letter in each adjacent cell carried in the adjacent cell list
Number maximum cell of performance number.Decided whether to replace serving cell according to measurement result.
Optionally, when system is there are when multiple frequency points, inter-frequency networking, the adjacent cell list includes co-frequency neighbor cell list
With iso-frequency adjacent community list.Wherein, the co-frequency neighbor cell list is for carrying co-frequency neighbor cell mark, the iso-frequency adjacent community
List is for carrying iso-frequency adjacent community mark.
Such as NB M2M system, may there is the frequency bandwidth of several 200kHz, that is, it include multiple frequency points.When its alien frequencies
When networking, the adjacent cell list includes co-frequency neighbor cell list and iso-frequency adjacent community list.
When the adjacent cell list includes co-frequency neighbor cell list and iso-frequency adjacent community list, the measuring unit 102,
It is measured for the cell signal to each iso-frequency adjacent community, obtains the corresponding measurement result in each iso-frequency adjacent community, it is described
Each iso-frequency adjacent community is the corresponding each iso-frequency adjacent community of each cell ID carried in the list of iso-frequency adjacent community；
Second determination unit 103, each iso-frequency adjacent community for obtaining when the measuring unit 102 measurement are corresponding
Measurement result in exist when meeting measurement result that second imposes a condition, determine that the corresponding measurement of obtained each adjacent cell is tied
Meet the second measurement result to impose a condition in fruit；
Or
The measuring unit 102, for being not present when in the corresponding measurement result in each iso-frequency adjacent community that measurement obtains
When meeting the measurement result that second imposes a condition, signal measurement is carried out to each co-frequency neighbor cell, obtains each co-frequency neighbor cell
Corresponding measurement result, each co-frequency neighbor cell are that each cell ID carried in co-frequency neighbor cell list respectively corresponds
Each co-frequency neighbor cell；
Second determination unit 103, for determining that it is corresponding that the measurement of measuring unit 102 obtains each co-frequency neighbor cell
Measurement result in meet second impose a condition measurement result.
It optionally, include co-frequency neighbor cell mark and iso-frequency adjacent community in the adjacent cell mark that the adjacent cell list carries
When mark, the measuring unit 102 obtains each iso-frequency adjacent community pair for carrying out signal measurement to each iso-frequency adjacent community
The measurement result answered, each iso-frequency adjacent community are that each iso-frequency adjacent community mark carried in the adjacent cell list corresponds to
Each iso-frequency adjacent community；
Second determination unit 10, for obtain each iso-frequency adjacent community corresponding when the measuring unit 102 measurement
When there is the measurement result for meeting the second setting condition in measurement result, the obtained corresponding measurement in each iso-frequency adjacent community is determined
As a result meet the second measurement result to impose a condition in；
Or
The measuring unit 102, for obtaining being not present completely in the corresponding measurement result in each iso-frequency adjacent community when measurement
When the measurement result that foot second imposes a condition, signal measurement is carried out to each co-frequency neighbor cell, obtains each co-frequency neighbor cell pair
The measurement result answered, each co-frequency neighbor cell are that each co-frequency neighbor cell mark carried in the adjacent cell list corresponds to
Each co-frequency neighbor cell；
Second determination unit 103, for determining that it is corresponding that the measurement of measuring unit 102 obtains each co-frequency neighbor cell
Measurement result in meet second impose a condition measurement result.
Using scheme provided by the above embodiment, since under normal circumstances, iso-frequency adjacent community is closer apart from terminal, also therefore
It is bigger to meet the probability that second imposes a condition in iso-frequency adjacent community, therefore, preferentially iso-frequency adjacent community is measured, improves choosing
The rate of Target cell is selected, so as to shorten the time of terminal selection target cell, reduces the power consumption of terminal.
In one of the embodiments, when the priority cell list includes alien-frequency district list and co-frequency cell list
When, the measuring unit 102 obtains the corresponding measurement in each alien-frequency district for carrying out signal measurement to each alien-frequency district
As a result, each alien-frequency district is the corresponding each alien-frequency district of each cell ID carried in the list of alien-frequency district；
Second determination unit 103, for obtaining the corresponding survey in each alien-frequency district when the measuring unit 102 measurement
When measuring the measurement result for existing in result and meeting the first setting condition, the obtained corresponding measurement result in each alien-frequency district is determined
It is middle to meet the first measurement result to impose a condition；
Or
The measuring unit 102, for meeting when measurement obtains being not present in the corresponding measurement result in each alien-frequency district
When the measurement result of the first setting condition, signal measurement is carried out to each co-frequency cell, obtains the corresponding survey in each co-frequency cell
Amount is as a result, the co-frequency cell is the corresponding each co-frequency cell of each cell ID carried in the list of co-frequency cell；
Second determination unit 103, for determining that it is corresponding that the measuring unit 102 measures obtained each co-frequency cell
Measurement result in meet first impose a condition measurement result.
In one of the embodiments, when the priority cell list carries co-frequency cell mark and alien-frequency district mark
When, the measuring unit 102 obtains the corresponding measurement in each alien-frequency district for carrying out signal measurement to each alien-frequency district
As a result, each alien-frequency district is small for the corresponding each alien frequencies of each alien-frequency district mark carried in the list of priority cell
Area；
Second determination unit 103, for being corresponded to when the determining measurement of measuring unit 102 obtains each alien-frequency district
Measurement result in exist when meeting measurement result that first imposes a condition, determine the obtained corresponding measurement in each alien-frequency district
As a result meet the first measurement result to impose a condition in；
Or
The measuring unit 102, for when there is no full in the corresponding measurement result in each alien-frequency district that measurement obtains
When the measurement result that foot first imposes a condition, signal measurement is carried out to each co-frequency cell, it is corresponding to obtain each co-frequency cell
Measurement result, each co-frequency cell are the corresponding each same frequency of each co-frequency cell mark carried in the list of priority cell
Cell；
Second determination unit 103, the corresponding survey in each co-frequency cell obtained for determining the measuring unit 102
It measures and meets the first measurement result to impose a condition in result.
Using scheme provided by the above embodiment, since under normal circumstances, iso-frequency adjacent community is closer apart from terminal, also therefore
It is bigger to meet the probability that first imposes a condition in iso-frequency adjacent community.Therefore, preferentially iso-frequency adjacent community is measured, improves choosing
The rate of Target cell is selected, so as to shorten the time of terminal selection target cell, reduces the power consumption of terminal.
The embodiment of the invention also provides another terminals, as shown in Fig. 2, the terminal includes processor 201 and memory
202, the processor and memory can be attached by bus 203, certainly can also by other means, and the present invention is real
It applies in example and is illustrated with bus connection.
Processor 201 may be a kind of IC chip, the processing capacity with signal.Processor 201 can also be
General processor, digital signal processor (Digital Signal Processing, abbreviation DSP), specific integrated circuit
(Application Specific Integrated Circuit, abbreviation ASIC), field programmable gate array (Field-
Programmable Gate Array, abbreviation FPGA) either other programmable logic device, discrete gate or transistor logic
Device, discrete hardware components.General processor can be microprocessor, central processing unit or the processor be also possible to it is any
Conventional processor etc..
The memory 202, for storing program.Specifically, program may include program code, said program code packet
Include computer operation instruction.Memory 202 may include random access memory (random access memory, abbreviation
RAM), it is also possible to further include nonvolatile memory (non-volatile memory), for example, at least a magnetic disk storage.
The processor 201 executes the program that the memory 202 is stored, and realizes the present invention determining weight shown in Fig. 2
The method for selecting Target cell.
Processor 201 carries out signal measurement when the priority cell list for determining terminal maintenance is not sky, to each cell,
The corresponding measurement result of each cell is obtained, each cell is each cell ID carried in the list of priority cell
Corresponding each cell；
Wherein, the priority cell list of terminal maintenance is specifically to store in memory 202.
Processor 201, which determines in the obtained corresponding measurement result of each cell to exist, meets the first measurement to impose a condition
As a result；The corresponding cell of measurement result for selecting determining satisfaction first to impose a condition carries out cell reselection as the terminal
Target cell.
Further, processor 201 carries out each adjacent cell when list is empty for the priority cell for determining terminal maintenance
Signal measurement, obtains the corresponding measurement result of each adjacent cell, and it is small that each adjacent cell is that the terminal is currently located service
The corresponding each adjacent cell of each cell ID carried in the adjacent cell list in area；Determine obtained each adjacent cell pair
Exist in the measurement result answered and meets the second measurement result to impose a condition；The measurement that the determining satisfaction second of selection imposes a condition
As a result corresponding adjacent cell carries out the Target cell of cell reselection as the terminal, and by the cell mark of the Target cell of selection
Knowledge is stored in the priority cell list.The priority cell list is stored in memory 202.
Further, processor 201 is when there is no meet first in the determining obtained corresponding measurement result of each cell
When the measurement result of setting condition, signal measurement is carried out to each adjacent cell, obtains the corresponding measurement result of each adjacent cell, institute
Stating each adjacent cell is that the terminal is currently located each cell ID carried in the adjacent cell list of serving cell and respectively corresponds
Each adjacent cell；It determines in the obtained corresponding measurement result of each adjacent cell to exist and meets the second measurement knot to impose a condition
Fruit；The corresponding adjacent cell of measurement result for selecting determining satisfaction second to impose a condition carries out cell reselection as the terminal
Target cell, and the cell ID of the Target cell of selection is stored in the priority cell list.
Optionally, which further includes timer.When list is empty for the priority cell of the determining terminal maintenance of processor 201
Or when determining the measurement result that the first setting condition of satisfaction is not present in the obtained corresponding measurement result of each cell, institute
It states timer and starts timing；The timer in each time-out, trigger the processor 201 respectively to each adjacent cell and
Current service cell where the terminal carries out signal measurement, and each adjacent cell is the current service where the terminal
The corresponding each adjacent cell of each cell ID carried in the adjacent cell list of cell；When overtime every time for timer
The corresponding measurement result of each adjacent cell and the current service cell measured, however, it is determined that the current service
When the measurement result of cell is less than the measurement result of any adjacent cell, selected in the corresponding measurement result of each adjacent cell maximum
The corresponding adjacent cell of measurement result as the terminal carry out cell reselection Target cell.
Optionally, when the adjacent cell list includes co-frequency neighbor cell list and iso-frequency adjacent community list, processor 201
The cell signal of each iso-frequency adjacent community is measured, the corresponding measurement result in each iso-frequency adjacent community is obtained, it is described each
Iso-frequency adjacent community is the corresponding each iso-frequency adjacent community of each cell ID carried in the list of iso-frequency adjacent community；When obtaining
The corresponding measurement result in each iso-frequency adjacent community in exist meet second impose a condition measurement result when, determine obtain it is each
Meet the second measurement result to impose a condition in the corresponding measurement result of a adjacent cell.
Processor 201 is when there is no meet second to impose a condition in the obtained corresponding measurement result in each iso-frequency adjacent community
Measurement result when, to each co-frequency neighbor cell carry out signal measurement, obtain the corresponding measurement result in each co-frequency neighbor cell, institute
Stating each co-frequency neighbor cell is the corresponding each co-frequency neighbor cell of each cell ID carried in co-frequency neighbor cell list；
It determines and obtains meeting the second measurement result to impose a condition in the corresponding measurement result in each co-frequency neighbor cell.
Optionally, when the adjacent cell mark that the adjacent cell list carries includes co-frequency neighbor cell mark and iso-frequency adjacent community
When mark, processor 201 carries out signal measurement to each iso-frequency adjacent community, obtains the corresponding measurement knot in each iso-frequency adjacent community
Fruit, each iso-frequency adjacent community are that each iso-frequency adjacent community carried in the adjacent cell list identifies corresponding each alien frequencies
Adjacent cell；When obtaining having the measurement result for meeting the second setting condition in the corresponding measurement result in each iso-frequency adjacent community,
It determines and meets the second measurement result to impose a condition in the obtained corresponding measurement result in each iso-frequency adjacent community.
There is no meet the second setting condition when obtaining in the corresponding measurement result in each iso-frequency adjacent community for processor 201
When measurement result, signal measurement is carried out to each co-frequency neighbor cell, obtains the corresponding measurement result in each co-frequency neighbor cell, it is described
Each co-frequency neighbor cell is that each co-frequency neighbor cell carried in the adjacent cell list identifies corresponding each co-frequency neighbor cell；
It determines and obtains meeting the second measurement result to impose a condition in the corresponding measurement result in each co-frequency neighbor cell.
In wherein one optional implementation, when the priority cell list includes that alien-frequency district list and same frequency are small
When area's list, processor 201 carries out signal measurement to each alien-frequency district, obtains the corresponding measurement result in each alien-frequency district,
Each alien-frequency district is the corresponding each alien-frequency district of each cell ID carried in the list of alien-frequency district；It is each when obtaining
Exist when meeting measurement result that first imposes a condition in the corresponding measurement result in a alien-frequency district, determines obtained each alien frequencies
Meet the first measurement result to impose a condition in the corresponding measurement result of cell.
There is no meet the first survey to impose a condition when obtaining in the corresponding measurement result in each alien-frequency district for processor 201
When measuring result, signal measurement is carried out to each co-frequency cell, obtains the corresponding measurement result in each co-frequency cell, it is described small with frequency
Area is the corresponding each co-frequency cell of each cell ID carried in the list of co-frequency cell；Determine obtained each co-frequency cell
Meet the first measurement result to impose a condition in corresponding measurement result.
In wherein another optional implementation, when the priority cell list carries co-frequency cell mark and alien frequencies
When cell ID, processor 201 carries out signal measurement to each alien-frequency district, obtains the corresponding measurement knot in each alien-frequency district
Fruit, each alien-frequency district are that each alien-frequency district carried in the list of priority cell identifies corresponding each alien-frequency district,
When determining the measurement result for obtaining existing in the corresponding measurement result in each alien-frequency district the first setting condition of satisfaction, determining
To the corresponding measurement result in each alien-frequency district in meet first impose a condition measurement result.
Processor 201 is when there is no meet the first setting condition in the obtained corresponding measurement result in each alien-frequency district
When measurement result, signal measurement is carried out to each co-frequency cell, obtains the corresponding measurement result in each co-frequency cell, it is described each
Co-frequency cell is that each co-frequency cell carried in the list of priority cell identifies corresponding each co-frequency cell；Determination obtains each
Meet the first measurement result to impose a condition in the corresponding measurement result in a co-frequency cell.
The embodiment of the invention provides a kind of methods of determining reselection target cell, as shown in figure 3, this method is by terminal side
It executes, this method comprises:
Step 301, when the priority cell list for determining terminal maintenance is not sky, signal measurement is carried out to each cell,
The corresponding measurement result of each cell is obtained, each cell is each cell ID carried in the list of priority cell
Corresponding each cell.
Wherein, the signal of measurement can be reference signal or physical broadcast synchronizing channel (Physical Broadcast
Synchronization Channel, abbreviation PBSCH) on sequence or symbol, then may include in measurement result it is following at least
One:
Reference Signal Received Power (Reference Signal Receiving Power, abbreviation RSRP), reference signal
The quality of reception (Reference Signal Receiving Quality, abbreviation RSRQ), the reception power of the upper sequence of PBSCH,
The quality of reception of sequence on PBSCH, the reception power of the symbol on PBSCH, the quality of reception of the symbol on PBSCH.
The signal of measurement can also be other signals, channel or sequence on other channels, symbol etc., to this at this
It is not especially limited in inventive embodiments.
It should be noted that being either directed to the measurement of co-frequency cell in embodiments of the present invention, or small for alien frequencies
Priority cell list can be set in the measurement in area.
Step 302, it determines in the obtained corresponding measurement result of each cell to exist and meets the first measurement to impose a condition
As a result.
Step 303, the corresponding cell of measurement result for selecting determining satisfaction first to impose a condition as the terminal into
The Target cell of row cell reselection.
It should be noted that scheme provided in an embodiment of the present invention is applicable in co-frequency cell and alien-frequency district.
Using scheme provided by the invention, when the priority cell list for determining terminal maintenance is not sky, to priority cell
The corresponding each adjacent cell of the cell ID carried in list carries out signal measurement, obtains the corresponding measurement knot of each adjacent cell
Fruit；According to measurement result selection target cell.By the list of terminal maintenance priority cell, only for the priority cell of terminal maintenance
The corresponding each cell of the cell ID carried in list carries out signal measurement, therefore reduces adjacent cell measurement quantity, accelerates
The speed of selection target cell, to reduce the power consumption of terminal.
It, specifically can be with for other measurement results below for including in the measurement results RSRP value and/or RSRQ value
Referring to implementation, repeated no more in the embodiment of the present invention.
Determine that there is the measurement result for meeting the first setting condition in the obtained corresponding measurement result of each cell corresponds to
Cell specifically can with but be not limited only in the following manner:
The first implementation:
It includes condition 1, condition 2 and condition 3 that first, which imposes a condition,.
S is calculated according to S criterion calculation formula in condition 1, cell RSRP valuerxlevGreater than preset first power threshold,
And/or S is calculated according to S criterion calculation formula according to cell RSRQ valuequalIt is small greater than preset first quality threshold
Area.
The signal quality grade of condition 2, the cell determined according to measurement result and R criterion is greater than the signal of serving cell
Credit rating；
Condition 3, the maximum cell of signal quality grade point.
Specifically, being executed respectively for the corresponding each cell of cell ID in the list of priority cell:
S is calculated according to S criterion calculation formula according to cell RSRP valuerxlev, and/or pressed according to cell RSRQ value
S is calculated according to S criterion calculation formulaqual；
Select SrxlevGreater than preset first power threshold and/or SqualCell greater than preset first quality threshold is made
For cell to be selected；
The signal quality grade of cell to be selected is determined according to measurement result and R criterion, and determines the current service of terminal
The signal quality grade of the signal quality grade of cell, cell to be selected and serving cell to acquisition is ranked up, to be selected small
It is maximum to be greater than selection signal credit rating in the cell of the signal quality grade of serving cell for selection signal credit rating in area
Cell is as Target cell.Wherein, the measurement result of the current service cell of terminal can be obtaining of measuring in advance, Huo Zheyu
The corresponding each cell of cell ID measures obtain simultaneously in the list of priority cell, and to this, the present invention is not specifically limited.
Second of implementation:
It includes condition 1, condition 2 and condition 3 that first, which imposes a condition,.
Condition 1, the RSRQ of cell is greater than preset second quality threshold and/or RSRP is greater than preset second power-threshold
Value.
The signal quality grade of condition 2, the cell determined according to measurement result and R criterion is greater than the signal of serving cell
Credit rating；
Condition 3, the maximum cell of signal quality grade point.
Specifically, selection RSRQ is greater than preset second quality threshold and/or RSRP is greater than preset second power threshold
Each cell as cell to be selected；
The signal quality grade of cell to be selected is determined according to measurement result and R criterion, and determines the current service of terminal
The signal quality grade of the signal quality grade of cell, cell to be selected and serving cell to acquisition is ranked up, to be selected small
Signal quality grade is greater than the maximum cell of selection signal credit rating in the cell of the signal quality grade of serving cell in area
As Target cell.
The third implementation:
It includes condition 1, condition 2 and condition 3 that first, which imposes a condition,.
The signal quality grade of condition 1, the cell determined according to measurement result and R criterion is greater than the signal of serving cell
Credit rating；
Condition 2, the maximum cell of signal quality grade point；
Condition 3 meets the corresponding threshold value of some covering grade.
In order to meet the requirement that covering increases 20dB, spread spectrum and the duplicate mode pair of time domain are used in narrowband M2M system
MPS process is extended.It include multiple covering grades in narrowband M2M system.It is covered for example, narrowband M2M system may include 3
Lid grade, Coverageclass0 indicate normal covering, and Coverageclass1 and Coverageclass2 are increased for covering
High field scape can indicate to spread over.Wherein Coverageclass2 > Coverageclass1 > Coverageclass0.It covers
Lid higher grade, and spreadability is poorer, then higher spreading factor and number of repetition can be set.For example, Coverageclass0 is not
It needs to spread and repeat, the number of repetition that Coverageclass1 and Coverageclass2 need is respectively 8/64 (referred to as 8X
And 64X).
It can be issued by network side specific to the corresponding threshold value of each covering grade, or according to the actual situation in agreement
Middle regulation.It is not especially limited in the specific embodiment of the present invention.
Specifically, determining that the cell ID in the list of priority cell is corresponding each small according to measurement result and R criterion
The signal quality grade in area, and determine the signal quality grade of the current serving cell of terminal, to the cell to be selected and clothes of acquisition
The signal quality grade of business cell is ranked up, and signal quality grade is greater than the signal quality etc. of serving cell in cell to be selected
In the cell of grade, selection signal credit rating is maximum and meets the corresponding threshold value of normal covering grade or spreads over grade pair
The cell for the threshold value answered is as Target cell.
It should be noted that the corresponding each cell of the cell ID carried in priority cell list here carries out letter
When number measurement, while signal measurement is carried out to the serving cell of terminal, or signal measurement etc. first can be carried out to serving cell
Deng, in the embodiment of the present invention to this measurement sequencing be not especially limited.
Wherein, S criterion calculation formula are as follows:
Srxlev=Qrxlevmeas-(Qrxlevmin+Qrxlevminoffse)-Pcompensation；
Squal=Qqualmeas-(Qqualmin+Qqualminoffset)。
In above-mentioned formula, Qrxlevminoffse、Pcompensation、QqualminoffsetIt is optionally, when these values are not present
When, above-mentioned calculation formula can simplify are as follows:
Srxlev=Qrxlevmeas-Qrxlevmin；
Squal=Qqualmeas-Qqualmin。
The specific explanations situation of parameters value in above-mentioned formula is as shown in table 1 below.Wherein, when measurement result includes
The reception matter of the quality of reception for receiving power or sequence of the upper sequence of PBSCH or the reception power of symbol or symbol
It measures, the Q in above-mentioned formulaqualmeasIndicate the quality of reception of serial number or the quality of reception of symbol on PBSCH on PBSCH, it is above-mentioned
Q in formularxlevminIndicate the reception power for receiving symbol on power or PBSCH of serial number on PBSCH.
R criterion calculation formula are as follows:
Rs=QMeas, s+QHyst；
Rn=QMeas, n-Qoffset；
Parameters in above-mentioned formula are explained as follows:
RnIndicate the signal quality grade of adjacent cell；
RsIndicate the signal quality grade of serving cell；
Qmeas: indicate the RSRP value of cell；Wherein QMeas, sBe for the current service cell where terminal,
QMeas, nIt is for the adjacent cell of the serving cell of terminal.
QHyst: it indicates the hysteresis of the RSRP of serving cell, is selectable value.
Qoffset: the deviant between current service cell and adjacent cell where GC group connector is selectable value.
Wherein, when the quality of reception or symbol for receiving power or sequence that measurement result includes sequence on PBSCH
Reception power or symbol the quality of reception, the Q in above-mentioned formulaqualmeasIndicate PBSCH on serial number the quality of reception or
The quality of reception of the upper symbol of PBSCH, Q in above-mentioned formularxlevminIt indicates to accord on the reception power or PBSCH of serial number on PBSCH
Number reception power.
Through the above scheme, it is only necessary to it is corresponding each small to measure the cell ID carried in the priority cell list of maintenance
Area, thus selection target cell, without when needing to carry out cell reselection, measuring institute in the cell list that network side is sent every time
There is cell, to reduce the power consumption of terminal.
In one of the embodiments, when list is empty for the priority cell for determining terminal maintenance, to each adjacent cell into
Row signal measurement, obtains the corresponding measurement result of each adjacent cell, and each adjacent cell is each to carry in adjacent cell list
The corresponding each adjacent cell of a cell ID.
Wherein, it is the terminal configuration that the adjacent cell list is by network side in advance, and carries the service of the terminal
The cell ID of the adjacent cell of cell.
It determines in the obtained corresponding measurement result of each adjacent cell to exist and meets the second measurement result to impose a condition；Choosing
Select the target that the corresponding adjacent cell of measurement result that determining satisfaction second imposes a condition carries out cell reselection as the terminal
Cell, and the cell ID of the Target cell of selection is stored in the priority cell list.
In one of the embodiments, when there is no meet first in the determining obtained corresponding measurement result of each cell
When the measurement result of setting condition, signal measurement is carried out to each adjacent cell, obtains the corresponding measurement result of each adjacent cell, institute
Stating each adjacent cell is that the terminal is currently located each cell ID carried in the adjacent cell list of serving cell and respectively corresponds
Each adjacent cell；
It determines in the obtained corresponding measurement result of each adjacent cell to exist and meets the second measurement result to impose a condition；
The corresponding adjacent cell of measurement result for selecting determining satisfaction second to impose a condition carries out cell as the terminal
The Target cell of gravity treatment, and the cell ID of the Target cell of selection is stored in the priority cell list.
It, specifically can be with for other measurement results below for including in the measurement results RSRP value and/or RSRQ value
Referring to implementation, repeated no more in the embodiment of the present invention.
Determine that there is the measurement result for meeting the first setting condition in the obtained corresponding measurement result of each cell corresponds to
Cell specifically can be in the following manner:
The first implementation:
It is executed respectively for the corresponding each adjacent cell of cell ID in adjacent cell list:
S is calculated according to S criterion calculation formula according to adjacent cell RSRP valuerxlev, and/or according to adjacent cell RSRQ
S is calculated according to S criterion calculation formula in valuequal；
Select SrxlevGreater than preset third power threshold and/or SqualGreater than the adjacent cell of preset third quality threshold
As cell to be selected；
The signal quality grade of cell to be selected is determined according to measurement result and R criterion, and determines the current service of terminal
The signal quality grade of the signal quality grade of cell, cell to be selected and serving cell to acquisition is ranked up, will be to be selected small
The maximum adjacent cell of signal quality grade is as Target cell in area.Wherein, the measurement result of the current service cell of terminal can
To be obtaining of measuring in advance, or each adjacent cell corresponding with cell ID in adjacent cell list measures obtain simultaneously, right
The present invention is not specifically limited for this.
Wherein, in order to enable terminal can choose the preferable cell of signal quality, it is big that the first quality threshold can be set
In third quality threshold, the first power threshold is greater than third power threshold.
Second of implementation:
Select each neighbour that RSRQ is greater than preset 4th quality threshold and/or RSRP is greater than preset 4th power threshold
Cell is as cell to be selected；
The signal quality grade of cell to be selected is determined according to measurement result and R criterion, and determines the current service of terminal
The signal quality grade of the signal quality grade of cell, cell to be selected and serving cell to acquisition is ranked up, to be selected small
Signal quality grade is greater than the maximum neighbour of selection signal credit rating in the adjacent cell of the signal quality grade of serving cell in area
Cell is as Target cell.
Wherein, in order to enable terminal can choose the preferable cell of signal quality, it is big that the second quality threshold can be set
In the 4th quality threshold, the second power threshold is greater than the 4th power threshold.
The third implementation:
The signal of the corresponding each adjacent cell of the cell ID in adjacent cell list is determined according to measurement result and R criterion
Credit rating, and determine the signal quality grade of the current serving cell of terminal, the cell to be selected and serving cell to acquisition
Signal quality grade is ranked up, and signal quality grade is greater than the adjacent small of the signal quality grade of serving cell in cell to be selected
Qu Zhong, selection signal credit rating is maximum and meets the corresponding threshold value of normal covering grade or spreads over the corresponding threshold of grade
The adjacent cell of value is as Target cell.
Wherein, in order to enable terminal can choose the preferable cell of signal quality, the first setting condition packet can be set
The corresponding covering grade of the decision condition contained is lower than the corresponding covering grade of decision condition that the second setting condition includes.For example,
When adjacent cell meets normal covering grade, the judgement that the second setting condition includes in the decision condition that the first setting condition includes
Adjacent cell meets the second covering grade in condition.
Specific S criterion and R criterion are referred to the description in preceding embodiment, and details are not described herein by the present invention.
Optionally, in order to enable UE can choose signal receiving quality or the relatively good cell of signal reception power,
When determining the priority cell of terminal maintenance list is empty or determines and be not present in the obtained corresponding measurement result of each cell
Meet the first measurement result to impose a condition, can star preset timer, when the timer is overtime every time, respectively to right
Current service cell where each adjacent cell and the terminal carries out signal measurement, and each adjacent cell is the terminal
The corresponding each adjacent cell of each cell ID carried in the adjacent cell list of the current service cell at place.
The each adjacent cell and the current service cell measured when overtime every time for timer is corresponding
Measurement result, however, it is determined that the measurement result of the current service cell be less than any adjacent cell measurement result when, each
The corresponding adjacent cell of maximum measurement result is selected to carry out cell reselection as the terminal in the corresponding measurement result of adjacent cell
Target cell.
And it can also be carried in the adjacent cell list every time to the current service cell where the terminal each
The corresponding each adjacent cell of cell ID and the current service cell carry out being again started up timer when signal measurement.
It specifically can be as shown in Figure 4:
Step 401, when determining the priority cell of terminal maintenance list is empty or determine that obtained each cell is corresponding
There is no meet the first measurement result to impose a condition in measurement result.Execute step 402.
Step 402, signal measurement is carried out to each adjacent cell respectively, obtains the corresponding measurement result of each adjacent cell, institute
State each cell ID difference carried in the adjacent cell list that each adjacent cell is the current service cell where the terminal
Corresponding each adjacent cell.Execute step 403 and step 405.
Step 403, it determines in the obtained corresponding measurement result of each adjacent cell to exist and meets the second survey to impose a condition
Measure result.Execute step 404.
Step 404, the corresponding adjacent cell of measurement result for selecting determining satisfaction second to impose a condition is as the terminal
The Target cell of cell reselection is carried out, and the cell ID of the Target cell of selection is stored in the priority cell list.
Step 405, start timer.
Step 406, it determines the timer expiry of starting, executes step 407.
Step 407, signal measurement is carried out to the current service cell where each adjacent cell and the terminal respectively,
The each cell ID point carried in the adjacent cell list of current service cell of each adjacent cell where the terminal
Not corresponding each adjacent cell.Step 408 is executed,
Step 408, however, it is determined that when the measurement result of the current service cell is less than the measurement result of any adjacent cell,
The corresponding adjacent cell of maximum measurement result is selected to carry out cell as the terminal in the corresponding measurement result of each adjacent cell
The Target cell of gravity treatment.
Based on this, for terminal after the list gravity treatment to Target cell of priority cell, which is priority cell list
In best cell, but may not be the cell that signal is best in all adjacent cells.Therefore, by the way that timer is arranged, guarantee eventually
It holds and signal survey is carried out to the corresponding each adjacent cell of adjacent cell mark carried in the adjacent cell list at regular intervals
Amount, determines whether the serving cell of terminal is signal quality value or letter in each adjacent cell carried in the adjacent cell list
Number maximum cell of performance number.Decided whether to replace serving cell according to measurement result.
In one of the embodiments, when system is there are when multiple frequency points, inter-frequency networking, the adjacent cell list includes same
Frequency neighbor cell list and iso-frequency adjacent community list.Wherein, the co-frequency neighbor cell list is for carrying co-frequency neighbor cell mark, institute
Iso-frequency adjacent community list is stated for carrying iso-frequency adjacent community mark.
Such as NB M2M system, may there is the frequency bandwidth of several 200kHz, that is, it include multiple frequency points.When its alien frequencies
When networking, the adjacent cell list includes co-frequency neighbor cell list and iso-frequency adjacent community list.
Then in the case where the adjacent cell list includes co-frequency neighbor cell list and iso-frequency adjacent community list, to each neighbour
Cell carries out signal measurement, obtains the corresponding measurement result of each adjacent cell, determines the obtained corresponding measurement of each adjacent cell
As a result meet the second measurement result to impose a condition in, each adjacent cell is the neighbour that the terminal is currently located serving cell
The corresponding each adjacent cell of each cell ID carried in cell list, specifically can be in the following manner:
The cell signal of each iso-frequency adjacent community is measured, the corresponding measurement result in each iso-frequency adjacent community is obtained,
The corresponding each iso-frequency adjacent community of each cell ID carried in the iso-frequency adjacent community list；
Meet the second measurement result to impose a condition when existing in the obtained corresponding measurement result in each iso-frequency adjacent community
When, it selects to meet the mesh that the corresponding iso-frequency adjacent community of measurement result that second imposes a condition carries out cell reselection as the terminal
Mark cell.
When there is no meet the second measurement knot to impose a condition in the obtained corresponding measurement result in each iso-frequency adjacent community
When fruit, signal measurement is carried out to each co-frequency neighbor cell, obtains the corresponding measurement result in each co-frequency neighbor cell, it is described each same
Frequency adjacent district is the corresponding each co-frequency neighbor cell of each cell ID carried in co-frequency neighbor cell list；
It determines and obtains meeting the second measurement result to impose a condition in the corresponding measurement result in each co-frequency neighbor cell.
In one of the embodiments, when system is there are when multiple frequency points, inter-frequency networking, the adjacent cell list adjacent cell
Cell ID include co-frequency neighbor cell mark and iso-frequency adjacent community mark.
Each adjacent cell corresponding to each cell ID carried in the adjacent cell list carries out signal measurement,
The corresponding measurement result of each adjacent cell is obtained, determines and meets the second setting in the obtained corresponding measurement result of each adjacent cell
The measurement result of condition selects the corresponding adjacent cell of measurement result for meeting the second setting condition to carry out cell as the terminal
The Target cell of gravity treatment, specifically can be in the following manner:
Signal measurement is carried out to each iso-frequency adjacent community, obtains the corresponding measurement result in each iso-frequency adjacent community, it is described each
A iso-frequency adjacent community is that each iso-frequency adjacent community carried in the adjacent cell list identifies corresponding each iso-frequency adjacent community；
When obtaining having the measurement result for meeting the second setting condition in the corresponding measurement result in each iso-frequency adjacent community,
It determines and meets the second measurement result to impose a condition in the obtained corresponding measurement result in each iso-frequency adjacent community.
When obtaining in the corresponding measurement result in each iso-frequency adjacent community, there is no meet the second measurement result to impose a condition
When, signal measurement is carried out to each co-frequency neighbor cell, obtains the corresponding measurement result in each co-frequency neighbor cell, it is described each with frequency
Adjacent cell is that each co-frequency neighbor cell carried in the adjacent cell list identifies corresponding each co-frequency neighbor cell, and determination obtains
Meet the second measurement result to impose a condition in the corresponding measurement result in each co-frequency neighbor cell.
Using scheme provided by the above embodiment, since under normal circumstances, iso-frequency adjacent community is closer apart from terminal, also therefore
It is bigger to meet the probability that second imposes a condition in iso-frequency adjacent community, therefore, preferentially iso-frequency adjacent community is measured, improves choosing
The rate of Target cell is selected, so as to shorten the time of terminal selection target cell, reduces the power consumption of terminal.
Based on above-mentioned any means embodiment, optionally, for including the case where multiple frequency points, Ke Yi in network system
Co-frequency cell mark and alien-frequency district mark are carried in the priority cell list.It is each small to what is carried in the list of priority cell
Mark corresponding each cell in area's carries out signal measurement, obtains the corresponding measurement result of each cell, and determination obtains each small
Meet the first measurement result to impose a condition in the corresponding measurement result in area, selection meets the first measurement result pair to impose a condition
The cell answered carries out the Target cell of cell reselection as the terminal, specifically can be in the following manner:
Signal measurement is carried out to each alien-frequency district, obtains the corresponding measurement result in each alien-frequency district, it is described each different
Frequency cell is that each alien-frequency district carried in the list of priority cell identifies corresponding each alien-frequency district；
Meet the first measurement result to impose a condition when determining to obtain existing in the corresponding measurement result in each alien-frequency district
When, it determines and meets the first measurement result to impose a condition in the obtained corresponding measurement result in each alien-frequency district.
When there is no meet the first measurement result to impose a condition in the obtained corresponding measurement result in each alien-frequency district
When, signal measurement is carried out to each co-frequency cell, obtains the corresponding measurement result in each co-frequency cell, each co-frequency cell
Each co-frequency cell to carry in the list of priority cell identifies corresponding each co-frequency cell；Determine that obtained each same frequency is small
Meet the first measurement result to impose a condition in the corresponding measurement result in area.
It optionally, can also be in the priority cell for multiple frequency points, inter-frequency networking are included the case where in network system
List includes alien-frequency district list and co-frequency cell list.It is right respectively to each cell ID carried in the adjacent cell list
The each adjacent cell answered carries out signal measurement, obtains the corresponding measurement result of each adjacent cell, determines obtained each adjacent cell
Meet the first measurement result to impose a condition in corresponding measurement result, it is corresponding that selection meets the measurement result that first imposes a condition
Cell as the terminal carry out cell reselection Target cell, specifically can be in the following manner:
Signal measurement is carried out to each alien-frequency district, obtains the corresponding measurement result in each alien-frequency district, it is described each different
Frequency cell is the corresponding each alien-frequency district of each cell ID carried in the list of alien-frequency district；
When obtaining having the measurement result for meeting the first setting condition in the corresponding measurement result in each alien-frequency district, really
Surely meet the first measurement result to impose a condition in the corresponding measurement result in each alien-frequency district obtained.
When obtaining that the measurement result for meeting the first setting condition is not present in the corresponding measurement result in each alien-frequency district,
Signal measurement is carried out to each co-frequency cell, obtains the corresponding measurement result in each co-frequency cell, the co-frequency cell is with frequency
The corresponding each co-frequency cell of each cell ID carried in cell list；Determine the obtained corresponding survey in each co-frequency cell
It measures and meets the first measurement result to impose a condition in result.
Using scheme provided by the above embodiment, since under normal circumstances, iso-frequency adjacent community is closer apart from terminal, also therefore
It is bigger to meet the probability that first imposes a condition in iso-frequency adjacent community.Therefore, preferentially iso-frequency adjacent community is measured, improves choosing
The rate of Target cell is selected, so as to shorten the time of terminal selection target cell, reduces the power consumption of terminal.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, those skilled in the art can carry out various modification and variations without departing from this hair to the embodiment of the present invention
The spirit and scope of bright embodiment.In this way, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention
And its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.
Claims (21)
1. a kind of device of determining reselection target cell characterized by comprising
First determination unit, for determining that the priority cell list of terminal maintenance is not empty；
Measuring unit, when for determining that the priority cell list of terminal maintenance is not sky in first determination unit, to each
Cell carries out signal measurement, obtains the corresponding measurement result of each cell, and each cell is in the list of priority cell
The corresponding each cell of each cell ID carried；
Second determination unit, for determine in the corresponding measurement result of each cell that the measuring unit measurement obtains exist it is full
The measurement result that foot first imposes a condition；
Selecting unit, the measurement result that the satisfaction first for selecting second determination unit to determine imposes a condition are corresponding small
Area carries out the Target cell of cell reselection as the terminal；
It further include timing unit；
First determination unit is also used to determine when list is empty for priority cell of terminal maintenance, triggers the timing unit
Start timing；Or second determination unit, it is also used to be not present in the determining obtained corresponding measurement result of each cell
When meeting the measurement result that first imposes a condition, triggers the timing unit and start timing；
The timing unit, for triggering the measuring unit respectively to each adjacent cell and the end in each time-out
Current service cell where end carries out signal measurement, and each adjacent cell is the current service cell where the terminal
The corresponding each adjacent cell of each cell ID carried in adjacent cell list；
The selecting unit is also used to measure for the measuring unit when timing unit is overtime every time each
The corresponding measurement result of adjacent cell and the current service cell, if second determination unit determines that the current service is small
When the measurement result in area is less than the measurement result of any adjacent cell, selected in the corresponding measurement result of each adjacent cell maximum
The corresponding adjacent cell of measurement result carries out the Target cell of cell reselection as the terminal.
2. device as described in claim 1, which is characterized in that the measuring unit is also used in first determination unit
When determining the priority cell of terminal maintenance list is empty, signal measurement is carried out to each adjacent cell, it is corresponding to obtain each adjacent cell
Measurement result, each adjacent cell be the terminal be currently located carried in the adjacent cell list of serving cell it is each small
Area identifies corresponding each adjacent cell；
Second determination unit is also used to determine the corresponding measurement result of each adjacent cell that the measuring unit measurement obtains
It is middle to there is the measurement result for meeting the second setting condition；
The selecting unit, the corresponding adjacent cell of measurement result for being also used to that determining satisfaction second is selected to impose a condition is as institute
State the Target cell that terminal carries out cell reselection；
Described device further include:
Storage unit, the cell ID of the Target cell for selecting the selecting unit are stored in the priority cell list
In.
3. device as described in claim 1, which is characterized in that the measuring unit is also used to when second determination unit
When determining the measurement result that the first setting condition of satisfaction is not present in the obtained corresponding measurement result of each cell, to each neighbour
Cell carries out signal measurement, obtains the corresponding measurement result of each adjacent cell, each adjacent cell is the current institute of the terminal
The corresponding each adjacent cell of each cell ID carried in the adjacent cell list of serving cell；
Second determination unit is also used to determine the corresponding measurement result of each adjacent cell that the measuring unit measurement obtains
It is middle to there is the measurement result for meeting the second setting condition；
The selecting unit, the corresponding adjacent cell of measurement result for being also used to that determining satisfaction second is selected to impose a condition is as institute
State the Target cell that terminal carries out cell reselection；
Described device further include:
Storage unit, the cell ID of the Target cell for selecting the selecting unit are stored in the priority cell list
In.
4. device as claimed in claim 2 or claim 3, which is characterized in that in the adjacent cell list include co-frequency neighbor cell list
When with iso-frequency adjacent community list, the measuring unit is measured for the cell signal to each iso-frequency adjacent community, is obtained each
The corresponding measurement result in a iso-frequency adjacent community, each iso-frequency adjacent community are each cell carried in the list of iso-frequency adjacent community
Identify corresponding each iso-frequency adjacent community；
Second determination unit, the corresponding measurement result in each iso-frequency adjacent community for being obtained when the measuring unit measurement
It is middle to exist when meeting measurement result that second imposes a condition, it determines and meets the in the obtained corresponding measurement result of each adjacent cell
Two measurement results to impose a condition；
Or
The measuring unit, for when there is no meet second in the corresponding measurement result in each iso-frequency adjacent community that measurement obtains
When the measurement result of setting condition, signal measurement is carried out to each co-frequency neighbor cell, obtains the corresponding survey in each co-frequency neighbor cell
Amount is as a result, each co-frequency neighbor cell is corresponding each same for each cell ID carried in co-frequency neighbor cell list
Frequency adjacent district；
Second determination unit, for determining that the measuring unit measurement obtains the corresponding measurement result in each co-frequency neighbor cell
It is middle to meet the second measurement result to impose a condition.
5. device as claimed in claim 2 or claim 3, which is characterized in that identify packet in the adjacent cell that the adjacent cell list carries
When including co-frequency neighbor cell mark and iso-frequency adjacent community mark, the measuring unit, for carrying out signal to each iso-frequency adjacent community
Measurement, obtains the corresponding measurement result in each iso-frequency adjacent community, and each iso-frequency adjacent community is to take in the adjacent cell list
Each iso-frequency adjacent community of band identifies corresponding each iso-frequency adjacent community；
Second determination unit, for being obtained in the corresponding measurement result in each iso-frequency adjacent community when the measuring unit measurement
There are when the measurement result of the setting condition of satisfaction second, determines and meet in the obtained corresponding measurement result in each iso-frequency adjacent community
Second measurement result to impose a condition；
Or
The measuring unit, for obtaining in the corresponding measurement result in each iso-frequency adjacent community that there is no meet second to set when measurement
When the measurement result of fixed condition, signal measurement is carried out to each co-frequency neighbor cell, obtains the corresponding measurement in each co-frequency neighbor cell
As a result, each co-frequency neighbor cell is corresponding each same for each co-frequency neighbor cell mark carried in the adjacent cell list
Frequency adjacent district；
Second determination unit, for determining that the measuring unit measurement obtains the corresponding measurement result in each co-frequency neighbor cell
It is middle to meet the second measurement result to impose a condition.
6. such as any one of claims 1 to 3 described device, which is characterized in that when the priority cell list includes alien-frequency district
When list and co-frequency cell list, the measuring unit obtains each alien frequencies for carrying out signal measurement to each alien-frequency district
The corresponding measurement result of cell, each alien-frequency district are corresponding each for each cell ID carried in the list of alien-frequency district
A alien-frequency district；
Second determination unit, for obtaining depositing in the corresponding measurement result in each alien-frequency district when the measuring unit measurement
In the measurement result that satisfaction first imposes a condition, determines in the obtained corresponding measurement result in each alien-frequency district and meet first
The measurement result of setting condition；
Or
The measuring unit, for meeting the first setting when measurement obtains being not present in the corresponding measurement result in each alien-frequency district
When the measurement result of condition, signal measurement is carried out to each co-frequency cell, obtains the corresponding measurement result in each co-frequency cell, institute
Stating co-frequency cell is the corresponding each co-frequency cell of each cell ID carried in the list of co-frequency cell；
Second determination unit, the corresponding measurement result in each co-frequency cell obtained for determining the measuring unit measurement
It is middle to meet the first measurement result to impose a condition.
7. such as any one of claims 1 to 3 described device, which is characterized in that when the priority cell list carries co-frequency cell
When mark and alien-frequency district mark, the measuring unit obtains each alien frequencies for carrying out signal measurement to each alien-frequency district
The corresponding measurement result of cell, each alien-frequency district are that each alien-frequency district mark carried in the list of priority cell corresponds to
Each alien-frequency district；
Second determination unit, for obtaining the corresponding measurement result in each alien-frequency district when the determining measuring unit measurement
When the middle measurement result that there is the first setting condition of satisfaction, determines and meet in the obtained corresponding measurement result in each alien-frequency district
First measurement result to impose a condition；
Or
The measuring unit, for when there is no meet first to set in the corresponding measurement result in each alien-frequency district that measurement obtains
When the measurement result of fixed condition, signal measurement is carried out to each co-frequency cell, obtains the corresponding measurement result in each co-frequency cell,
Each co-frequency cell is that each co-frequency cell carried in the list of priority cell identifies corresponding each co-frequency cell；
Second determination unit, it is full in the corresponding measurement result in each co-frequency cell that the measuring unit obtains for determining
The measurement result that foot first imposes a condition.
8. a kind of method of determining reselection target cell characterized by comprising
When the priority cell list for determining terminal maintenance is not sky, signal measurement is carried out to each cell, is obtained described each
The corresponding measurement result of cell, each cell are corresponding each for each cell ID carried in the list of priority cell
A cell；
It determines in the obtained corresponding measurement result of each cell to exist and meets the first measurement result to impose a condition；
The corresponding cell of measurement result for selecting determining satisfaction first to impose a condition carries out cell reselection as the terminal
Target cell；
When list is empty for the priority cell for determining terminal maintenance or when determining the obtained corresponding measurement result of each cell
In there is no measurement result that first imposes a condition is met when, start preset timer, when the timer is overtime every time, point
The other current service cell to where each adjacent cell and the terminal carries out signal measurement, and each adjacent cell is described
The corresponding each adjacent cell of each cell ID carried in the adjacent cell list of current service cell where terminal；
The corresponding survey of each adjacent cell and the current service cell measured when overtime every time for timer
Measure result, however, it is determined that small in each neighbour when the measurement result of the current service cell is less than the measurement result of any adjacent cell
The corresponding adjacent cell of maximum measurement result is selected to carry out the mesh of cell reselection as the terminal in the corresponding measurement result in area
Mark cell.
9. method according to claim 8, which is characterized in that the method also includes:
When list is empty for the priority cell for determining terminal maintenance, signal measurement is carried out to each adjacent cell, it is small to obtain each neighbour
The corresponding measurement result in area, each adjacent cell are that the terminal is currently located and carries in the adjacent cell list of serving cell
The corresponding each adjacent cell of each cell ID；
It determines in the obtained corresponding measurement result of each adjacent cell to exist and meets the second measurement result to impose a condition；
The corresponding adjacent cell of measurement result for selecting determining satisfaction second to impose a condition carries out cell reselection as the terminal
Target cell, and the cell ID of the Target cell of selection is stored in the priority cell list.
10. method according to claim 8, which is characterized in that the method also includes:
It is right when determining the measurement result that the first setting condition of satisfaction is not present in the obtained corresponding measurement result of each cell
Each adjacent cell carries out signal measurement, obtains the corresponding measurement result of each adjacent cell, and each adjacent cell is the terminal
It is currently located the corresponding each adjacent cell of each cell ID carried in the adjacent cell list of serving cell；
It determines in the obtained corresponding measurement result of each adjacent cell to exist and meets the second measurement result to impose a condition；
The corresponding adjacent cell of measurement result for selecting determining satisfaction second to impose a condition carries out cell reselection as the terminal
Target cell, and the cell ID of the Target cell of selection is stored in the priority cell list.
11. the method as described in claim 9 or 10, which is characterized in that the adjacent cell list includes co-frequency neighbor cell list
With iso-frequency adjacent community list；
Signal measurement is carried out to each adjacent cell, obtains the corresponding measurement result of each adjacent cell, determines that obtained each neighbour is small
Meet the second measurement result to impose a condition in the corresponding measurement result in area, comprising:
The cell signal of each iso-frequency adjacent community is measured, the corresponding measurement result in each iso-frequency adjacent community is obtained, it is described
Each iso-frequency adjacent community is the corresponding each iso-frequency adjacent community of each cell ID carried in the list of iso-frequency adjacent community；
When there is the measurement result for meeting the second setting condition in the obtained corresponding measurement result in each iso-frequency adjacent community, really
Surely meet the second measurement result to impose a condition in the corresponding measurement result of each adjacent cell obtained；
Or
When the measurement result for meeting the second setting condition is not present in the obtained corresponding measurement result in each iso-frequency adjacent community,
Signal measurement is carried out to each co-frequency neighbor cell, obtains the corresponding measurement result in each co-frequency neighbor cell, it is described each adjacent with frequency
Cell is the corresponding each co-frequency neighbor cell of each cell ID carried in co-frequency neighbor cell list；
It determines and obtains meeting the second measurement result to impose a condition in the corresponding measurement result in each co-frequency neighbor cell.
12. the method as described in claim 9 or 10, which is characterized in that the adjacent cell that the adjacent cell list carries identifies packet
Include co-frequency neighbor cell mark and iso-frequency adjacent community mark；
Signal measurement is carried out to each adjacent cell, obtains the corresponding measurement result of each adjacent cell, determines that obtained each neighbour is small
Meet the second measurement result to impose a condition in the corresponding measurement result in area, comprising:
Signal measurement is carried out to each iso-frequency adjacent community, obtains the corresponding measurement result in each iso-frequency adjacent community, it is described each different
Frequency adjacent district is that each iso-frequency adjacent community carried in the adjacent cell list identifies corresponding each iso-frequency adjacent community；
When obtaining having the measurement result for meeting the second setting condition in the corresponding measurement result in each iso-frequency adjacent community, determine
Meet the second measurement result to impose a condition in the obtained corresponding measurement result in each iso-frequency adjacent community；
Or
It is right when obtaining that the measurement result for meeting the second setting condition is not present in the corresponding measurement result in each iso-frequency adjacent community
Each co-frequency neighbor cell carries out signal measurement, obtains the corresponding measurement result in each co-frequency neighbor cell, described each adjacent small with frequency
Area is that each co-frequency neighbor cell carried in the adjacent cell list identifies corresponding each co-frequency neighbor cell；
It determines and obtains meeting the second measurement result to impose a condition in the corresponding measurement result in each co-frequency neighbor cell.
13. such as any one of claim 8~10 the method, which is characterized in that the priority cell list includes alien-frequency district
List and co-frequency cell list；
Signal measurement is carried out to each cell, obtains the corresponding measurement result of each cell, determines that obtained each cell is corresponding
Measurement result in meet first impose a condition measurement result, comprising:
Signal measurement is carried out to each alien-frequency district, obtains the corresponding measurement result in each alien-frequency district, each alien frequencies is small
Area is the corresponding each alien-frequency district of each cell ID carried in the list of alien-frequency district；
When obtaining having the measurement result for meeting the first setting condition in the corresponding measurement result in each alien-frequency district, determining
To the corresponding measurement result in each alien-frequency district in meet first impose a condition measurement result；
Or
When obtaining that the measurement result for meeting the first setting condition is not present in the corresponding measurement result in each alien-frequency district, to each
A co-frequency cell carries out signal measurement, obtains the corresponding measurement result in each co-frequency cell, and the co-frequency cell is co-frequency cell
The corresponding each co-frequency cell of each cell ID carried in list；
It determines and meets the first measurement result to impose a condition in the obtained corresponding measurement result in each co-frequency cell.
14. such as any one of claim 8~10 the method, which is characterized in that the priority cell list carries co-frequency cell
Mark and alien-frequency district mark；
Signal measurement is carried out to each cell, obtains the corresponding measurement result of each cell, determines that obtained each cell is corresponding
Measurement result in meet first impose a condition measurement result, comprising:
Signal measurement is carried out to each alien-frequency district, obtains the corresponding measurement result in each alien-frequency district, each alien frequencies is small
Area is that each alien-frequency district carried in the list of priority cell identifies corresponding each alien-frequency district；
When determining the measurement result for obtaining existing in the corresponding measurement result in each alien-frequency district the first setting condition of satisfaction, really
Surely meet the first measurement result to impose a condition in the corresponding measurement result in each alien-frequency district obtained；
Or
It is right when the measurement result for meeting the first setting condition is not present in the obtained corresponding measurement result in each alien-frequency district
Each co-frequency cell carries out signal measurement, obtains the corresponding measurement result in each co-frequency cell, and each co-frequency cell is excellent
The each co-frequency cell carried in first cell list identifies corresponding each co-frequency cell；
It determines and meets the first measurement result to impose a condition in the obtained corresponding measurement result in each co-frequency cell.
15. a kind of terminal characterized by comprising
Processor, timer and memory；
The memory, for storing the priority cell list of the terminal maintenance；
The processor, for being carried out to each cell when determining the priority cell list of the memory storage is not sky
Signal measurement, obtains the corresponding measurement result of each cell, and each cell is each to carry in the list of priority cell
The corresponding each cell of a cell ID；Determine in the obtained corresponding measurement result of each cell that there is satisfaction first sets
The measurement result of fixed condition；The corresponding cell of measurement result for selecting determining satisfaction first to impose a condition as the terminal into
The Target cell of row cell reselection；
The timer, when list is empty for determining the priority cell of memory storage when the processor or when true
Surely there is no when the measurement result for meeting the first setting condition in the corresponding measurement result of each cell obtained, start timing,
In each time-out, triggers the processor and the current service cell where each adjacent cell and the terminal is carried out respectively
Signal measurement, each adjacent cell be the terminal where current service cell adjacent cell list in carry it is each small
Area identifies corresponding each adjacent cell；
The processor, each adjacent cell for being also used to measure when overtime every time for timer and described current
The corresponding measurement result of serving cell, however, it is determined that the measurement result of the current service cell is less than the measurement knot of any adjacent cell
When fruit, selected in the corresponding measurement result of each adjacent cell the corresponding adjacent cell of maximum measurement result as the terminal into
The Target cell of row cell reselection.
16. terminal as claimed in claim 15, which is characterized in that the processor is also used to:
When list is empty for the priority cell for determining the memory storage, signal measurement is carried out to each adjacent cell, is obtained each
The corresponding measurement result of a adjacent cell, each adjacent cell are that the terminal is currently located in the adjacent cell list of serving cell
The corresponding each adjacent cell of each cell ID carried；
It determines in the obtained corresponding measurement result of each adjacent cell to exist and meets the second measurement result to impose a condition；
The corresponding adjacent cell of measurement result for selecting determining satisfaction second to impose a condition carries out cell reselection as the terminal
Target cell, and the cell ID of the Target cell of selection is stored in the priority cell list.
17. terminal as claimed in claim 15, which is characterized in that the processor is also used to:
It is right when determining the measurement result that the first setting condition of satisfaction is not present in the obtained corresponding measurement result of each cell
Each adjacent cell carries out signal measurement, obtains the corresponding measurement result of each adjacent cell, and each adjacent cell is the terminal
It is currently located the corresponding each adjacent cell of each cell ID carried in the adjacent cell list of serving cell；
It determines in the obtained corresponding measurement result of each adjacent cell to exist and meets the second measurement result to impose a condition；
The corresponding adjacent cell of measurement result for selecting determining satisfaction second to impose a condition carries out cell reselection as the terminal
Target cell, and the cell ID of the Target cell of selection is stored in the priority cell list.
18. the terminal as described in claim 16 or 17, which is characterized in that the adjacent cell list include co-frequency neighbor cell arrange
When table and iso-frequency adjacent community list, the processor is specifically used for:
The cell signal of each iso-frequency adjacent community is measured, the corresponding measurement result in each iso-frequency adjacent community is obtained, it is described
Each iso-frequency adjacent community is the corresponding each iso-frequency adjacent community of each cell ID carried in the list of iso-frequency adjacent community；
When there is the measurement result for meeting the second setting condition in the obtained corresponding measurement result in each iso-frequency adjacent community, really
Surely meet the second measurement result to impose a condition in the corresponding measurement result of each adjacent cell obtained；
Or
When the measurement result for meeting the second setting condition is not present in the obtained corresponding measurement result in each iso-frequency adjacent community,
Signal measurement is carried out to each co-frequency neighbor cell, obtains the corresponding measurement result in each co-frequency neighbor cell, it is described each adjacent with frequency
Cell is the corresponding each co-frequency neighbor cell of each cell ID carried in co-frequency neighbor cell list；
It determines and obtains meeting the second measurement result to impose a condition in the corresponding measurement result in each co-frequency neighbor cell.
19. the terminal as described in claim 16 or 17, which is characterized in that when the adjacent cell mark that the adjacent cell list carries
When identifying including co-frequency neighbor cell mark and iso-frequency adjacent community, the processor is specifically used for:
Signal measurement is carried out to each iso-frequency adjacent community, obtains the corresponding measurement result in each iso-frequency adjacent community, it is described each different
Frequency adjacent district is that each iso-frequency adjacent community carried in the adjacent cell list identifies corresponding each iso-frequency adjacent community；
When obtaining having the measurement result for meeting the second setting condition in the corresponding measurement result in each iso-frequency adjacent community, determine
Meet the second measurement result to impose a condition in the obtained corresponding measurement result in each iso-frequency adjacent community；
Or
It is right when obtaining that the measurement result for meeting the second setting condition is not present in the corresponding measurement result in each iso-frequency adjacent community
Each co-frequency neighbor cell carries out signal measurement, obtains the corresponding measurement result in each co-frequency neighbor cell, described each adjacent small with frequency
Area is that each co-frequency neighbor cell carried in the adjacent cell list identifies corresponding each co-frequency neighbor cell；
It determines and obtains meeting the second measurement result to impose a condition in the corresponding measurement result in each co-frequency neighbor cell.
20. such as the described in any item terminals of claim 15~17, which is characterized in that when the priority cell of memory storage
When list includes alien-frequency district list and co-frequency cell list, the processor is specifically used for:
Signal measurement is carried out to each alien-frequency district, obtains the corresponding measurement result in each alien-frequency district, each alien frequencies is small
Area is the corresponding each alien-frequency district of each cell ID carried in the list of alien-frequency district；
When obtaining having the measurement result for meeting the first setting condition in the corresponding measurement result in each alien-frequency district, determining
To the corresponding measurement result in each alien-frequency district in meet first impose a condition measurement result；
Or
When obtaining that the measurement result for meeting the first setting condition is not present in the corresponding measurement result in each alien-frequency district, to each
A co-frequency cell carries out signal measurement, obtains the corresponding measurement result in each co-frequency cell, and the co-frequency cell is co-frequency cell
The corresponding each co-frequency cell of each cell ID carried in list；
It determines and meets the first measurement result to impose a condition in the obtained corresponding measurement result in each co-frequency cell.
21. such as the described in any item terminals of claim 15~17, which is characterized in that when the priority cell of memory storage
When list carries co-frequency cell mark and alien-frequency district mark, the processor is specifically used for:
Signal measurement is carried out to each alien-frequency district, obtains the corresponding measurement result in each alien-frequency district, each alien frequencies is small
Area is that each alien-frequency district carried in the list of priority cell identifies corresponding each alien-frequency district；
When determining the measurement result for obtaining existing in the corresponding measurement result in each alien-frequency district the first setting condition of satisfaction, really
Surely meet the first measurement result to impose a condition in the corresponding measurement result in each alien-frequency district obtained；
Or
It is right when the measurement result for meeting the first setting condition is not present in the obtained corresponding measurement result in each alien-frequency district
Each co-frequency cell carries out signal measurement, obtains the corresponding measurement result in each co-frequency cell, and each co-frequency cell is excellent
The each co-frequency cell carried in first cell list identifies corresponding each co-frequency cell；
It determines and meets the first measurement result to impose a condition in the obtained corresponding measurement result in each co-frequency cell.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2014/095984 WO2016106716A1 (en) | 2014-12-31 | 2014-12-31 | Method, apparatus and terminal for determining reselection target cell |
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| CN106171007B true CN106171007B (en) | 2019-09-20 |
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| CN108632926B (en) | 2017-03-24 | 2021-04-09 | 华为技术有限公司 | Communication method, network equipment and terminal |
| CN112584426B (en) * | 2019-09-30 | 2022-12-06 | 华为技术有限公司 | SFTD (space frequency division) measuring method for system frame number and frame timing deviation |
| CN110856207B (en) * | 2019-10-24 | 2022-11-08 | 维沃移动通信有限公司 | Neighbor cell measurement method and terminal equipment |
| CN114339952B (en) * | 2020-09-29 | 2023-07-25 | 紫光展锐(重庆)科技有限公司 | Multimode terminal communication method and communication device |
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| WO2016106716A1 (en) | 2016-07-07 |
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