CN102892154B - A kind of method and device for changing cell reselection list - Google Patents
A kind of method and device for changing cell reselection list Download PDFInfo
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- CN102892154B CN102892154B CN201110356580.4A CN201110356580A CN102892154B CN 102892154 B CN102892154 B CN 102892154B CN 201110356580 A CN201110356580 A CN 201110356580A CN 102892154 B CN102892154 B CN 102892154B
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Abstract
The embodiment of the invention discloses a kind of method for changing cell reselection list, this method includes obtaining cell modification message, changes message modification 3G adjacent cell lists according to the cell, and obtain amended 3G adjacent cell lists；According to the amended 3G adjacent cell lists renewal cell reselection list, wherein the cell reselection list after renewal includes frequency and/or cell information in the amended 3G adjacent cell lists, it is possible to achieve pass through PMO and PCCO message modification cell reselection lists.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of method and device and device for changing cell reselection list.
Background technology
In GERAN networks, measurement and reselection functionality for cell, it is related to altogether such as following table：
1) BCCH distribution list (Broadcast Control Channel Allocation List, BA
list).BA list are generally used only for measurement, measurement report and cell reselection function to GERAN cells, and it is adjacent that it includes GERAN
The frequency and frequency indices information of cell.BA list are by message SI2/SI2bis/SI2ter, or SI5/SI5bis/SI5ter structures
Build, or when there is Packet Broadcast Control CHannel (Packet Broadcast Control a Channel, PBCCH) by PSI3 and
PSI3bis is built.
2) GSM Neighboring Cell List (GSM Neighbour Cell list, GSM NCL).GSM NCL are also generally used only for pair
Measurement, measurement report and the cell reselection function of GERAN cells.GSM NCL include the frequency of GERAN adjacent cells, BCC
(Base transceiver station Identity Code, BSIC) and cell index information.GSM NCL are by BA list
Build with SI2quater, or built by BA list and message metrical information Measurement Information, or work as and exist
Built during PBCCH by PSI3 and PSI3bis, now GSM NCL are identical with BA list.
3) 3G Neighboring Cell List (3G Neighbour Cell list, 3G NCL).3G NCL are generally used for 3G adjacent cells
Measurement and measurement report, frequency, scrambler and the bandwidth of 3G adjacent cells, and 3G cell index information are included in list.3G
Neighbour Cell list, when in the absence of PBCCH, built by message SI2quater, when PBCCH be present, by message
PSI3quater is built.3G NCL can be by message grouping mea-sure order (Packet Measurement Order, PMO) or packet
Cell Change Order (Packet Cell Change Order, PCCO) is modified.
4) 3G cell reselection lists/GPRS 3G cell reselection lists (3G Cell Reselection list/GPRS 3G
Cell Reselection list)。3G Cell Reselection list/GPRS 3G Cell Reselection list
For the gravity treatment of 3G adjacent cells, frequency, scrambler and the bandwidth information of 3G cells are included in list, except above-mentioned specific cell is believed
Breath is outer, it is also possible to frequency information only can be included, it is different due to having many different cells in 3G network, under same frequency
Cell made a distinction according to parameters such as scrambler and bandwidth, so in the case where only providing frequency information, carrying out cell weight
When selecting, any cell under this frequency can be selected.3G Cell Reselection list are by message SI2quater and message
SI2ter is built.GPRS 3G Cell Reselection list, when in the absence of PBCCH, by message SI2quater and disappear
SI2ter structures being ceased, when PBCCH be present, being built by message PSI3quater.
5) adjacent cell list (Neighbour Cell list, NCL).NCL is generally used for enhanced measurement report, measurement
And the adjacent cell (including GERAN cells and 3G cells) that report is all, the frequency comprising GERAN cells and BSIC letters in list
Breath, and the frequency of 3G cells, scrambler, bandwidth, and the index information of each cell.NCL is generally connected by GSM NCL with 3G NCL
Form.
6) Universal Terrestrial Radio Access Network adjacent cell list (E-UTRAN Neighbour the Cell list, E- of evolution
UTRAN NCL).E-UTRAN NCL are used for the measurement of E-UTRAN adjacent cells, report and gravity treatment, adjacent comprising E-UTEAN in list
The frequency of cell and the E-UTRAN information of adjacent cells for not allowing access, and E-UTRAN adjacent cell frequency indices.E-UTRAN NCL
Built by message SI2quater, or built by message Measurement Information, or by message PSI3quater structures
Build, can be changed by message PMO or PCCO.
For GERAN cells in current measurement report, marked using BA list frequency indices plus BSIC value
Know a GERAN cell, for UTRAN cells, a UTRAN cell is identified using the cell index in 3G NCL, for
E-UTRAN cells, local district identification (Physical Cell are added using the frequency indices in E-UTRAN NCL
Identification, PCI) identify a cell.
In the prior art, the cell information that 3G Cell Reselection list are included is by message SI2quater
Combine with message SI2ter and provide, in the case of in the absence of PBCCH, GPRS 3G CellReselection list are equal to 3G
Cell Reselection list, in the case of it PBCCH be present, GPRS 3GCell Reselection list by
PSI3quater message provides.Due to 3G Cell Reselection list/GPRS 3G Cell Reselection list
Autonomous cell reselection is served only for, for GPRS 3G Cell Reselection list, is served only for what terminal controlled in network
Under cell reselection mode NC0 (Network Controlled Mode 0) and NCl (Network Controlled Mode 1)
Gravity treatment is carried out, so frequency and cell index are not defined when building the list, and when entering connected patterns,
Due to there is no cell index in GPRS 3G Cell Reselection list, so network side passes through PMO or PCCO message
3G Neighbour list are modified, without changing GPRS 3G CellReselection list.
The concept of priority is introduced in current standard agreement, network side is when issuing each RAT precedence information
Issued in a manner of the frequency indices of 3G cells, i.e., according to the frequency rope of each frequency in 3G Neighbour Cell List
Attract the priority for issuing each frequency.Due to 3G Cell Reselection list/GPRS 3G Cell
Frequency indices are not established in Reselection list, so can not be in 3G Cell Reselection list/GPRS 3G
Introduce precedence information in Cell Reselection list, and 3G Cell Reselection list/GPRS 3G Cell
Reselection list are the lists for cell reselection, so when carrying out cell reselection, included in list
Frequency is without related precedence information, so terminal can not carry out the cell reselection based on priority.
On the other hand, PMO or PCCO generally only changes 3G Neighbour Cell list without changing 3G Cell
Reselection list/GPRS 3G Cell Reselection list, and 3G Neighbour Cell list are to be used for
Measurement report, and 3G Cell Reselection list/GPRS 3G Cell Reselection list are to be used for cell
Gravity treatment, so when being increased by PMO or PCCO or deleting 3G frequencies, network can not change the related letter of cell reselection of terminal
Breath.
The content of the invention
Technical problems to be solved of the embodiment of the present invention are to propose a kind of method and device for changing cell reselection list.
An aspect of of the present present invention also proposes a kind of method for changing cell reselection list.This method includes obtaining cell modification
Message, message modification 3G adjacent cell lists are changed according to the cell, and obtain amended 3G adjacent cell lists；According to the modification
3G adjacent cell lists renewal cell reselection list afterwards, wherein the cell reselection list after renewal is small including the amended 3G neighbour
Frequency and/or cell information in area's list.
Another aspect of the present invention also proposes a kind of device for changing cell reselection list.The device includes acquiring unit,
For obtaining cell modification message；Adjacent cell list changes unit, for changing message modification 3G adjacent cells row according to the cell
Table, and obtain amended 3G adjacent cell lists；Cell reselection list changes unit, for according to the amended 3G adjacent cells
List update cell reselection list, wherein the cell reselection list after renewal includes the frequency in the amended 3G adjacent cell lists
Rate and/or cell information.
In the technical scheme of the embodiment of the present invention, network and terminal-pair cell reselection list establish frequency indices, so as to real
Now when network side issues RAT and frequency priority information, priority can be issued according to the frequency indices in list of frequency
Information, cell reselection of the terminal based on priority can be achieved.Further, the embodiment of the present invention can also realize by PMO and
PCCO message modification cell reselection lists.
Brief description of the drawings
Fig. 1 is cell reselection list method for building up flow chart of the embodiment of the present invention.
Fig. 2 is another embodiment of the present invention cell reselection list method for building up flow chart.
Fig. 3 is that cell reselection list method flow diagram is changed in another embodiment of the present invention.
Fig. 4 is that cell reselection list of the embodiment of the present invention establishes device block diagram.
Fig. 5 is the block diagram that another embodiment of the present invention cell reselection list establishes device.
Fig. 6 is the block diagram that cell reselection list of the embodiment of the present invention establishes device.
Fig. 7 is the block diagram for the device that cell of the embodiment of the present invention changes cell reselection list.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
In the embodiment of the present invention, network side and terminal are required for establishing cell reselection list.For convenience, it is of the invention
The process that embodiment establishes cell reselection list with terminal is described.Those skilled in the art can retouching according to embodiment
State the method that network side corresponding to need not creatively obtaining establishes cell reselection list.The cell reselection list can be 3G
Cell Reselection list and/or GPRS 3G Cell Reselection list.
One embodiment of the present of invention cell reselection list method for building up as shown in figure 1, including
System message is obtained, the system message includes the frequency information for 3G adjacent cell lists, and alternatively includes
For cell reselection list rather than the frequency information of 3G adjacent cell lists；
Cell reselection list and/or list of frequency are built according to the system message, 3G adjacent cell lists are used for according to this
Frequency information occur in the system message by first order ascending order backward in the cell reselection list and/or list of frequency
Index is established, when the system message includes the frequency information for cell reselection list rather than 3G adjacent cell lists, root
According to for the frequency information of cell reselection list rather than 3G adjacent cell lists occur in the system message by first backward
Order establish index in the cell reselection list and/or list of frequency bottom.
The embodiment can be used for newly-built community reselection list and/or list of frequency.In embodiment, the system message includes
The first system message and alternatively include second system message.The first system message includes this and is used for 3G adjacent cell lists
Frequency information and alternatively include the frequency information for cell reselection list rather than 3G adjacent cell lists.The second system
Message includes the frequency information for cell reselection list rather than 3G adjacent cell lists.Second system message disappears to be optional
Breath, when second system message is not present, the first system message is the system message.When the presence of second system message, and
When the first system message includes being used for the frequency information of cell reselection list rather than 3G adjacent cell lists, second system
Message includes the frequency information that remainder in system message is used for cell reselection list rather than 3G adjacent cell lists.When
Two system message is not present, and the first system message does not include the frequency for cell reselection list rather than 3G adjacent cell lists
During rate information, system message does not include the frequency information for cell reselection list rather than 3G adjacent cell lists.First system
Whether message of uniting includes the frequency information for cell reselection list rather than 3G adjacent cell lists, and whether second system message
In the presence of can be determined by network condition and/or system configuration.
In this embodiment, establishing the method for list of frequency includes：
When receiving the first system message, terminal is according to 3G in the transmitting sequence and the first system message of the first system message
The sequencing that cell frequency information occurs, frequency indices are established according to ascending order mode.When receiving second system message, terminal
The sequencing occurred according to 3G cell frequencies information in the transmitting sequence of the second system message and second system message, at this
Cell reselection list and/or list of frequency bottom are in descending order or ascending order mode establishes frequency indices.In embodiment, 3G frequencies
List can be provided with 32 frequencies altogether, therefore it can be that descending is arranged since index value 31 to carry out descending sort from list bottom
Sequence, if it is 31 that then last index value, which is sorted in ascending order,.
The first system message can be SI2quater message, and the second system message can be SI2ter.
The embodiment concrete example is as follows：
3G frequency f1, f2 and f3 are included in the first system message, and the sequencing issued is f1, f2 and f3.Second system
3G frequency F1, F2 are included in system message, the sequencing issued is F1, F2.Then in newly-built 3G list of frequencys 3G
Frequency indices relation table formed in Frequency list is as shown in table 1a and table 1b.Table 1a is represented in second system message
Index is established in the way of descending comprising 3G frequencies F1, F2；3G frequency F1, F2 are included in table 1b expression second system message,
Index is established in the way of ascending order.
Table 1a：List of frequency
| Index0 | f1 |
| Index1 | f2 |
| Index2 | f3 |
| ...... | ...... |
| Index30 | F2 |
| Index31 | F1 |
Table 1b：List of frequency
| Index0 | f1 |
| Index1 | f2 |
| Index2 | f3 |
| ...... | ...... |
| Index30 | F1 |
| Index31 | F2 |
Index0~Index31 is frequency indices value in table.
In the present embodiment, network and terminal-pair 3G frequencies establish frequency indices, so as to realize when network side issues RAT and frequency
During rate precedence information, precedence information can be issued according to the frequency indices in 3G Cell Reselection list,
Cell of the terminal based on priority can be achieved to reappear.
The invention provides another embodiment to establish frequency indices in cell reselection list.In embodiment, system disappears
Breath includes the first system message and alternatively includes second system message.The first system message is used for 3G adjacent cells row including this
The frequency information of table and alternatively include the frequency information for cell reselection list rather than 3G adjacent cell lists.This second
System message includes the frequency information for cell reselection list rather than 3G adjacent cell lists.Second system message is optional
Message, when for example SI2ter is not present second system message, the first system message is the system message.When second system disappears
Breath is present, and when the first system message includes being used for the frequency information of cell reselection list rather than 3G adjacent cell lists
When, second system message includes the frequency that remainder in system message is used for cell reselection list rather than 3G adjacent cell lists
Rate information.
When terminal receives the first system message, according in the transmitting sequence of the first system message and the first system message
The sequencing that 3G cell frequencies information occurs, frequency indices are established according to ascending order mode；Disappear when terminal receives second system
During breath, according in the transmitting sequence of second system message and second system message 3G cell frequencies information occur sequencing,
Frequency indices are established in cell reselection list bottom.In the present embodiment, terminal will be used for 3G Cell in the first system message
Reselection list rather than 3G Neighbour Cell list frequency is also placed in cell reselection list bottom and built
Vertical frequency indices.
In the present embodiment, the 3G cell frequencies descending that terminal can be all in second system message establishes index
Afterwards, then to being used for 3G Cell Reselection list rather than 3GNeighbour Cell in the first system message
List frequency establishes index, and takes the successor value that 3G cell frequencies index in second system message to carry out descending sort.
Terminal, which can also receive, is used for 3G Cell Reselection list rather than 3G in the first system message
After Neighbour Cell list frequency descending establishes index, then take 3G cell frequency of the successor value to second system message
Descending establishes index.
Terminal can also establish index to frequency ascending order in second system message, take the frequency indices in second system message
Successor value rope is established to the frequency ascending order for being used for cell reselection list rather than 3G adjacent cell lists in the first system message
Draw；Or the frequency ascending order to being used for cell reselection list rather than 3G adjacent cell lists in the first system message establishes rope
Draw, take index successor value to establish index to the frequency ascending order of second system message.
In embodiment, 3G frequencies can at most be provided with 32 frequencies, therefore can be from the progress descending sort of list bottom
The descending sort since index value 31, if it is 31 that then last index value, which is sorted in ascending order,.
The first system message can be SI2quater message, and second system message can be SI2ter.The first system message
Further comprise cell scrambling, no matter identical frequency cell scrambling can correspond to same frequency index.Cell scrambling and frequency
Can one cell of unique mark together.
The present embodiment concrete example is as follows：
Comprising 3G frequencies f1, f2, f3, f4 in SI2quater message, there are cell scrambling PSC11, PSC12 under frequency f1, frequency
There are cell PSC21, PSC22, PSC23, frequency f3 to be instructed to only be added in 3G Cell Reselection list under rate f2
And be not added in 3G Neighbour Cell list, for frequency f4 without scrambler, the sequencing issued is f1, f2, f3, f4.
And 3G frequency F1 are included in message SI2ter, F2, the sequencing issued is F1, F2.Then in 3G Cell Reselection
Frequency indices relation table formed in list is as shown in table 2 or table 3, and Index0~Index31 is frequency indices value in table.When
It is used for 3G Cell Reselection list rather than 3G Neighbour Cell by what SI2quater message issued
For list frequency since 31 during descending foundation index, list of frequency is as shown in table 2.When the 3G frequencies for issuing SI2ter message
When descending establishes index since 31, list of frequency is as shown in table 3.
Table 2：Establish the 3G Cell Reselection list of frequency indices
Table 3：Establish the 3G Cell Reselection list of frequency indices
In the present embodiment, network and terminal-pair 3G Cell Reselection list establish frequency indices, so as to realize
, can be according to the frequency indices in 3G Cell Reselectionlist when network side issues RAT and frequency priority information
To issue precedence information, cell of the terminal based on priority can be achieved and reappear.
Present invention also offers an embodiment to establish frequency indices and cell index in cell reselection list.The system disappears
Breath further comprises cell scrambling information, the sequencing occurred when frequency is identical according to cell scrambling, according to ascending order mode
Establish cell index.
In the present embodiment, when receiving the first system message, terminal not only according to system message transmitting sequence and
3G cell frequency information, the sequencing occurred always according to cell scrambling, frequency indices and cell rope are established according to ascending order mode
Draw.Wherein, the sequencing occurred when frequency is identical according to cell scrambling, cell index are established according to ascending order mode.Cell
Determined by frequency information and cell scrambling information.
When terminal receives second system message, according in the transmitting sequence of second system message and second system message
The sequencing that 3G cell frequencies information occurs, frequency indices are established in cell reselection list bottom.In the present embodiment, terminal
It will be used for 3G Cell Reselection list rather than 3G Neighbour Cell list's in the first system message
Frequency is also placed in cell reselection list bottom and establishes frequency indices.
In the present embodiment, the 3G cell frequencies descending that terminal can be all in second system message establishes index
Afterwards, then to being used for 3G Cell Reselection list rather than 3GNeighbour Cell in the first system message
List frequency establishes index, and takes the successor value that 3G cell frequencies index in second system message to carry out descending sort.
Terminal, which can also receive, is used for 3G Cell Reselection list rather than 3G in the first system message
After Neighbour Cell list frequency descending establishes index, then take 3G cell frequency of the successor value to second system message
Descending establishes index.
Terminal can also establish index to frequency ascending order in second system message, take the frequency indices in second system message
Successor value rope is established to the frequency ascending order for being used for cell reselection list rather than 3G adjacent cell lists in the first system message
Draw；Or the frequency ascending order to being used for cell reselection list rather than 3G adjacent cell lists in the first system message establishes rope
Draw, take index successor value to establish index to the frequency ascending order of second system message.
In embodiment, 3G frequencies can at most be provided with 32 frequencies, therefore can be from the progress descending sort of list bottom
The descending sort since index value 31, if it is 31 that then last index value, which is sorted in ascending order,.
In embodiment, the first system message can be SI2quater message, and second system message can be SI2ter.
In embodiment, the first system message and second system message can be referred to as system message altogether.Second system message is
Optional message, when for example SI2ter is not present second system message, the first system message is the system message.
The present embodiment concrete example is as follows：
Comprising 3G frequencies f1, f2, f3, f4 in SI2quater message, there are cell scrambling PSC11, PSC12 under frequency f1, frequency
There are cell PSC21, PSC22, PSC23, frequency f3 to be instructed to only be added in 3G Cell Reselection list under rate f2
And be not added in 3G Neighbour Cell list, for frequency f4 without scrambler, the sequencing issued is f1, f2, f3, f4.
And 3G frequency F1 are included in message SI2ter, F2, the sequencing issued is F1, F2.Then in 3G Cell Reselection
Frequency and cell index relation table formed in list is as shown in table 4 and table 5, and F_Index0~F_Index31 is frequency in table
Rate index value, C_Index are cell index value.When issue SI2quater message is used for 3G Cell
Reselectionlist rather than 3G Neighbour Cell list frequency since 31 descending establish index when, frequency
Rate list is as shown in table 4.When descending establishes index to the 3G frequencies for issuing SI2ter message since 31, list of frequency such as table
Shown in 5.
Table 4：Establish the 3G Cell Reselection list of frequency and cell index
Table 5：Establish the 3G Cell Reselection list of frequency and cell index
In the present embodiment, network and terminal-pair 3G Cell Reselection list establish frequency and cell index, from
And realize when network side issues RAT and frequency priority information, it can be issued according to the frequency indices in list of frequency excellent
First level information, cell reselection of the terminal based on priority can be achieved.Meanwhile frequency is established to 3G Cell Reselection list
Rate and cell index, can be completely corresponding with 3G Neighbour Celllist, realizes PMO message and PCCO message to two
List is modified without the message structure for changing existing PMO and PCCO simultaneously.
Further embodiment of this invention is cell reselection list method for building up.As shown in Fig. 2 the embodiment includes：
When S21, acquisition system message, 3G Neighbour Cell List are established according to the system message, wherein this is
System message alternatively includes the frequency information being not comprised in 3G Neighbour Cell List.In embodiment, this is
System message includes the first system message and alternatively includes second system message.Terminal can be established according to the first system message
3G Neighbour Cell List.The first system message includes 3G adjacent areas frequency and scrambling code information, and the 3G adjacent areas frequency can
To divide into the frequency for 3G Neighbour Cell List and 3G Cell Reselection list, and for 3G
Cell Reselection list rather than 3G Neighbour Cell list frequency, and indicated by mark.
In embodiment, the first system message can be SI2quater message, or arbitrary offer 3G adjacent areas frequency information
System message.
S22, when the system message does not include being not comprised in frequency information in 3G Neighbour Cell List,
Cell reselection list is built according to the 3G Neighbour Cell List, when the system message includes being not comprised in 3G
It is small according to 3G NeighbourCell List and the system message structure during frequency information in Neighbour Cell List
Area's reselection list.In embodiment, the cell reselection list after structure, as 3G Cell Reselection list include 3G
It is used for 3G Cell Reselection in frequency and cell information, the first system message in Neighbour Cell List
The 3G frequencies letter issued in list rather than 3G NeighbourCell list frequency information and second system message
Breath.Second system message includes the frequency information for cell reselection, its supplement usually as the first system message.Implementing
In example, second system message can be SI2ter message.Terminal is according to 3G Neighbour Cell List, the first system message
With second system message, structure 3G Cell Reselection list.
S23, it is that the frequency included in 3G Neighbour Cell List creates index, when the system message includes not having
During frequency information included in 3G adjacent cell lists, 3G Neighbour are not comprised in for what the system message included
Frequency in Cell List creates index.
Terminal according to frequency occur in 3G Neighbour Cell List by first ascending order is built successively for order backward
Lithol draws.The index of first frequency can be 0 in wherein 3G Neighbour Cell List.Terminal is according to the system message
Including the frequency that is not comprised in 3G Neighbour Cell List occur, by order first backward, arranging in cell reselection
Index is established in table bottom according to descending or ascending order successively.In embodiment, 3G Cell can will be used in the first system message
The index of Reselection list rather than 3G Neighbour Cell list frequency is set to open from list bottommost
Begin index, such as since 31, the frequency in second system message, takes the first system message according to descending or ascending order with being corresponding in turn to
In for 3G Cell Reselection list rather than 3G Neighbour Cell list frequency indices it is follow-up
Value.Or the index of frequency in second system message can also be set to index since list bottommost.Specifically, it is right
Frequency descending establishes index in second system message, takes the successor value of the frequency indices in second system message to disappear the first system
The frequency descending being not comprised in 3G Neighbour Cell list that ceasing includes establishes index；Or to the first system
What message included is not comprised in the frequency descending foundation index in 3G Neighbour Cell list, takes index successor value pair
The frequency descending of second system message establishes index；Or index is established to frequency ascending order in second system message, take the second system
What the successor value of the frequency indices in system message included to the first system message is not comprised in 3G Neighbour Cell
Frequency ascending order in list establishes index；Or what the first system message was included is not comprised in 3G Neighbour Cell
Frequency ascending order in list establishes index, takes index successor value to establish index to the frequency ascending order of second system message.
It is that the frequency that is included in 3G Neighbour Cell List creates index and is the first system in embodiment
The frequency that the frequency and second system message that what message included be not comprised in 3G Neighbour Cell List include
The operation for creating index has no the context of process.
If 3G Neighbour Cell list are modified by PMO or PCCO message, terminal can basis
3G Neighbour Cell list renewal GPRS 3G Cell Reselection list after renewal.Terminal can basis
The index of frequency in 3G Neighbour Cell list renewal GPRS 3G Cell Reselection list after renewal.
In another embodiment of the invention, terminal not only establishes frequency indices, goes back root when building cell reselection list
The sequencing occurred according to cell scrambling in system message establishes cell index, the building mode and 3G of cell index
Cell index building mode in Neighbour Cell list is consistent.Disturbed when frequency is identical according to cell in system message
The sequencing that code occurs establishes cell index according to ascending order mode.
In embodiment, second system message is optional message, and when second system message is not present, the first system disappears
Breath is the system message.
In the present embodiment, network and terminal-pair cell reselection list establish frequency indices and alternatively establish cell index,
So as to realize when network side issues RAT and frequency priority information, can be issued according to the frequency indices in list of frequency
Precedence information, cell reselection of the terminal based on priority can be achieved.Meanwhile frequency and cell rope are established to cell reselection list
Draw, can be completely corresponding with 3G Neighbour Cell list, PMO and/or PCCO message is realized to two lists while is entered
Message structure of the row modification without changing existing PMO and PCCO.
The embodiment of the present invention additionally provides a kind of cell reselection list method for building up.
This method includes
System message is obtained, the system message is included for the frequency information of 3G adjacent cell lists and alternatively including being used for
The frequency information of cell reselection list rather than 3G adjacent cell lists；
Cell reselection list is built according to the system message, the frequency information that 3G adjacent cell lists are used for according to this is at this
The order ascending order distribution index value by elder generation backward occurred in system message；When system message include be used for cell reselection list without
During frequency information for 3G adjacent cell lists, believe according to for the frequency of cell reselection list rather than 3G adjacent cell lists
Cease occur in the system message by the first order backward distribution index value in the maximum section of index value.
In embodiment, 3G frequencies can at most be provided with 32 frequencies, be somebody's turn to do the distribution index in the maximum section of index value
Value can be the maximum section that the frequency number as needed for establishing index measures index value.For example, it is used for when in the presence of 3
The frequency of cell reselection list rather than 3G adjacent cell lists need establish index when, terminal can take index value for [29,
31] index value section, divided according to what frequency information occurred in the system message by order ascending order first backward or descending
With index value.
The system message includes the first system message and alternatively includes second system message, and the first system message includes
This is used for the frequency information of 3G adjacent cell lists and alternatively includes being used for cell reselection list rather than 3G adjacent cell lists
Frequency information.When the system message includes the second system message, the second system message includes being used for cell reselection row
The frequency information of table rather than 3G adjacent cell lists.When second system message is not present, the first system message is that this is
System message.When the presence of second system message, and when the first system message includes being used for cell reselection list rather than 3G neighbours
During the frequency information of cell list, second system message includes remainder in system message and is used for cell reselection list and does not have to
In the frequency information of 3G adjacent cell lists.When second system message is not present, and the first system message does not include being used for cell weight
When selecting the frequency information of list rather than 3G adjacent cell lists, system message do not include for cell reselection list rather than
The frequency information of 3G adjacent cell lists.Whether the first system message includes arranges for cell reselection list rather than 3G adjacent cells
The frequency information of table, second system message, which whether there is, to be determined by network condition and/or system configuration.
In embodiment, the basis is used for cell reselection list rather than the frequency information of 3G adjacent cell lists is at this
Being distributed by order first backward in the maximum section of index value for occurring in system message includes
To frequency in second system message in the maximum section of index value descending distribution index value, take second system to disappear
The successor value of frequency indices in breath is to being used for cell reselection list rather than 3G adjacent cell lists in the first system message
Frequency descending distribution index value；Or
To being used for the frequency of cell reselection list rather than 3G adjacent cell lists in the first system message in index value
Descending distribution index value in maximum section, take frequency descending distribution index value of the index successor value to second system message；Or
Person
To frequency in second system message in the maximum section of index value ascending order distribution index value, take second system to disappear
The successor value of frequency indices in breath is to being used for cell reselection list rather than 3G adjacent cell lists in the first system message
Frequency ascending order distribution index value；Or
To being used for the frequency of cell reselection list rather than 3G adjacent cell lists in the first system message in index value
Ascending order distribution index value in maximum section, take frequency ascending order distribution index value of the index successor value to second system message.
The system message further comprises cell scrambling information, and this method further comprises when frequency is identical according to cell
The sequencing that scrambler occurs, cell index value is distributed according to ascending order mode.
In the present embodiment, network and terminal-pair 3G Cell Reselection list establish frequency and cell index, from
And realize when network side issues RAT and frequency priority information, it can be issued according to the frequency indices in list of frequency excellent
First level information, cell reselection of the terminal based on priority can be achieved.Meanwhile frequency is established to 3G Cell Reselection list
Rate and cell index, can be completely corresponding with 3G Neighbour Cell list, realizes PMO message and PCCO message to two
List is modified without the message structure for changing existing PMO and PCCO simultaneously.
The embodiment of the present invention additionally provides a kind of modification GPRS 3G Cell Reselection list method.The party
Method includes
S31, cell modification message is obtained, message modification 3G Neighbour Celllist are changed according to the cell, and obtain
To amended 3G Neighbour Cell list.Cell modification message can be PMO or PCCO message.Terminal can be
PCCO message is obtained before receiving the system message for GPRS 3G Cell Reselection list lists, is used receiving
The PMO message is obtained after the system message of GPRS 3G Cell Reselection list lists.
S32, GPRS 3G Cell Reselection are updated according to the amended 3G Neighbour Cell list
List, wherein the GPRS 3G Cell Reselection list after renewal include the amended 3G Neighbour Cell
Frequency and/or cell information in list.Frequency of the terminal in amended 3GNeighbour Cell list and/or
The corresponding frequency and/or cell information included in cell information renewal GPRS 3G Cell Reselection list.In reality
Apply in example, the renewal can be with the cell and/or frequency coverage GPRS in amended 3G Neighbour Cell list
Cell and/or frequency in 3G Cell Reselection list, these cells and/or frequency include 3G before a modification
In Neighbour Cell list.
In embodiment, the method for building up of the GPRS 3G Cell Reselection list can be such as preceding embodiment institute
State, existing method for building up can also be used.
GPRS 3G Cell Reselection list modification after, the embodiment of the present invention still further comprise to
Frequency in GPRS 3G Cell Reselection list establishes index.For included in 3GNeighbour Cell List
In frequency index is established by first order backward successively ascending order according to what it occurred in 3G Neighbour Cell List.
The index of first frequency can be 0 in 3GNeighbour Cell List.For not being included in 3G in system message
Frequency in Neighbour Cell list, its index value are constant.
Because GPRS 3G Cell Reselection list contain owning in 3G Neighbour Cell list
The frequency and scrambling code information of adjacent cell, and be not comprised in possible system message in 3G Neighbour Cell list
Frequency information, and the information of adjacent cells included in 3G Neighbour Cell list can be disappeared by PMO and/or PCCO
Breath is changed, and the frequency one being not comprised in system message in 3G Neighbour Cell list is set up being no longer needed for repairing
Change, therefore the embodiment of the present invention can be realized by PMO and PCCO message modification GPRS 3G Cell Reselection
list。
In embodiment, the system message includes the first system message and second system message, and the first system message can
Think SI2quater message, the second system message can be SI2ter message.Second system message is optional message, when
When two system message is not present, the first system message is the system message.
The embodiment of the present invention also provides a kind of cell reselection list and establishes device.As shown in figure 4, the device includes obtaining list
Member and frequency indices establish unit.
Acquiring unit, for obtaining system message, the system message include for 3G adjacent cell lists frequency information and
Alternatively include the frequency information for cell reselection list rather than 3G adjacent cell lists；
Frequency indices establish unit, for building cell reselection list and/or list of frequency according to the system message, wherein
The order by elder generation backward occurred according to this for 3G Neighbour Cell list frequency information in the system message
Ascending order establishes index in the cell reselection list and/or list of frequency, when the system message includes being used for cell reselection list
Rather than 3G adjacent cell lists frequency information when, according to the frequency for cell reselection list rather than 3G adjacent cell lists
What rate information occurred in the system message is established by order first backward in the cell reselection list and/or list of frequency bottom
Index.
In embodiment, the system message includes the first system message and alternatively includes second system message.First system
System message includes this for the frequency information of 3G adjacent cell lists and alternatively includes being used for cell reselection list rather than 3G
The frequency information of adjacent cell list.When the system message includes the second system message, the second system message includes being used for
The frequency information of cell reselection list rather than 3G adjacent cell lists.When second system message is not present, the first system disappears
Breath is the system message.When second system message is present, and include for cell reselection list when the first system message and
When being not used in the frequency information of 3G adjacent cell lists, second system message includes remainder in system message and is used for cell reselection
List rather than the frequency information of 3G adjacent cell lists.When second system message is not present, and the first system message does not include
During for the frequency information of cell reselection list rather than 3G adjacent cell lists, system message does not include being used for cell reselection row
The frequency information of table rather than 3G adjacent cell lists.The first system message whether include for cell reselection list rather than
The frequency information of 3G adjacent cell lists, second system message, which whether there is, to be determined by network condition and/or system configuration.
The frequency indices establish unit and establish index to frequency descending in second system message, take in second system message
The successor value of frequency indices is to being used for cell reselection list rather than 3G Neighbour Cell in the first system message
List frequency descending establishes index.Or the frequency indices establish unit to being used for cell reselection in the first system message
After list rather than 3G Neighbour Cell list frequency descending establish index, index successor value is taken to second system
The frequency descending of message establishes index.Or the frequency indices establish unit and establish rope to frequency ascending order in second system message
Draw, take the successor values of frequency indices in second system message to be used in the first system message cell reselection list rather than
The frequency ascending order of 3G adjacent cell lists establishes index；Or to being used for cell reselection list rather than 3G in the first system message
The frequency ascending order of adjacent cell list establishes index, takes index successor value to establish index to the frequency ascending order of second system message.
As shown in figure 5, in embodiment, cell reselection list establishes device and can further include cell index foundation
Unit.The system message further comprises cell scrambling information, the cell index establish unit be used for when frequency is identical according to
The sequencing that cell scrambling occurs, cell index is established according to ascending order mode.
In the present embodiment, network and terminal-pair 3G frequencies establish frequency indices, so as to realize when network side issues RAT and frequency
During rate precedence information, precedence information can be issued according to the frequency indices in 3G Cell Reselection list,
Cell of the terminal based on priority can be achieved to reappear.
The embodiment of the present invention also provides a kind of cell reselection list and establishes device.As shown in fig. 6, the device includes obtaining list
Member, adjacent cell list establishes unit and cell reselection list establishes unit.
Acquiring unit, for obtaining system message.
Adjacent cell list establishes unit, for establishing 3G Neighbour Cell list according to the system message, wherein
The system message alternatively includes the frequency information being not comprised in 3G Neighbour Cell list.
Cell reselection list establishes unit, for not including being not comprised in 3G adjacent cell lists when the system message
During frequency information, cell reselection list is built according to the 3G adjacent cell lists, when the system message includes being not comprised in 3G neighbours
During frequency information in cell list, according to the 3G Neighbour Cell list and system message structure cell reselection row
Table, and for the frequency establishment index to be included in 3G Neighbour Cell list, when the system message includes not wrapping
During the frequency information being contained in 3G adjacent cell lists, 3G Neighbour Cell are not comprised in for what the system message included
Frequency in list creates index.
The system message further comprises cell scrambling, cell reselection list establish unit be further used for it is identical in frequency
When according in system message cell scrambling occur sequencing establish cell index according to ascending order mode.
The acquiring unit is further used for obtaining cell modification message, and the adjacent cell list establishes unit and is further used for root
Message modification 3G Neighbour Cell list are changed according to the cell, obtain amended 3G Neighbour Cell
list.The reselection list is established unit and is further used for according to the amended 3G Neighbour Cell list renewals cell
Reselection list.
In embodiment, the system message includes the first system message and second system message.Cell reselection list is established
Device can establish 3G Neighbour Cell List according to the first system message.The first system message can be
SI2quater message, the second system message can be SI2ter message.Second system message is optional message, when the second system
When system message is not present, the first system message is the system message.
In the present embodiment, cell reselection list establishes device, and such as network or terminal, frequency rope is established to cell reselection list
Draw and alternatively establish cell index, can be according to frequency so as to realize when network side issues RAT and frequency priority information
Frequency indices in list issue precedence information, can be achieved cell reselection of the terminal based on priority.Meanwhile to cell weight
Select list to establish frequency and cell index, can be completely corresponding with 3G Neighbour Cell list, realize PMO and/or
PCCO message is modified without the message structure for changing existing PMO and PCCO simultaneously to two lists.
The embodiment of the present invention also provides a kind of device for changing cell reselection list.The device can be network side or end
End.As shown in fig. 7, the device includes acquiring unit, adjacent cell list modification unit and cell reselection list modification unit.
Acquiring unit, for obtaining cell modification message；
Adjacent cell list changes unit, for changing message modification 3G Neighbour Cell list according to the cell,
And obtain amended 3G Neighbour Cell list；
Cell reselection list changes unit, for updating cell according to the amended 3G Neighbour Cell list
Reselection list, wherein the cell reselection list after renewal includes the frequency in the amended 3G Neighbour Cell list
And/or cell information.
Cell modification message is PMO and/or PCCO message, and the cell reselection list is GPRS 3G Cell
Reselection list。
The cell reselection list modification unit be further used in cell reselection list frequency establish index, to comprising
Frequency in 3G Neighbour Cell list in 3G Neighbour Cell list according to occurring by first backward
Order successively ascending order establish index.
In the present embodiment, because GPRS 3G Cell Reselection list contain 3G Neighbour Cell
The frequency and scrambling code information of all adjacent cells in list, and 3G Neighbour are not comprised in possible system message
Frequency information in Cell list, and the information of adjacent cells in 3G Neighbour Cell list can by PMO and/or
PCCO message modifications, the frequency being not comprised in 3GNeighbour Cell list in system message is once being set up no longer
Need to change, therefore the embodiment of the present invention can be realized by PMO and PCCO message modification GPRS 3G Cell
Reselection list。
In the description of the invention, each embodiment can independently turn into the scheme for embodying main points of the present invention, for from more
Individual interpretation claims.Meanwhile the description in each embodiment, can also mutually it quote with reference to so as to this area
Technical staff can be more clearly understood that the scheme of each embodiment.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (8)
- A kind of 1. method for changing cell reselection list, it is characterised in that this method includesCell modification message is obtained, message modification 3G adjacent cell lists (3G Neighbour Cell are changed according to the cell List), and amended 3G adjacent cell lists are obtained；According to amended 3G adjacent cell lists renewal GPRS 3G cell reselection lists (the GPRS 3G Cell Reselection list), wherein the GPRS 3G cell reselection lists after renewal are included in the amended 3G adjacent cell lists Frequency and/or cell information；Wherein, methods described also includes：Index is established to the frequency in the GPRS 3G cell reselection lists after the renewal, wherein, it is described to give GPRS 3G cells Frequency in reselection list is established index and specifically included：To in the GPRS 3G cell reselection lists after the renewal and Frequency included in 3G adjacent cell lists according to occurring in 3G adjacent cell lists, by order first backward, build successively by ascending order Lithol draws；To not being included in 3G Neighbour Cell in the GPRS 3G cell reselection lists after the renewal Frequency in list, its index value are constant.
- 2. the method as described in claim 1, it is characterised in that cell modification message is grouping mea-sure order and/or packet Cell Change Order.
- 3. the method as described in claim 1, it is characterised in that this updates GPRS according to the amended 3G adjacent cell lists 3G cell reselection lists include：Wrapped in frequency and/or cell information renewal GPRS 3G cell reselection lists in amended 3G adjacent cell lists The corresponding frequency and/or cell information contained.
- 4. method as claimed in claim 3, it is characterised in that the frequency in amended 3G adjacent cell lists And/or the corresponding frequency and/or cell information included in cell information renewal GPRS 3G cell reselection lists specifically includes：With cell in the cell in amended 3G adjacent cell lists and/or frequency coverage GPRS 3G cell reselection lists and/or Frequency, cell and/or frequency in the GPRS 3G cell reselection lists are included in 3G adjacent cell lists before a modification.
- 5. a kind of device for changing cell reselection list, it is characterised in that the device includesAcquiring unit, for obtaining cell modification message；Adjacent cell list changes unit, for changing message modification 3G adjacent cell lists according to the cell, and obtains amended 3G adjacent cell lists；Cell reselection list changes unit, for updating GPRS 3G cell reselections row according to the amended 3G adjacent cell lists Table, wherein the GPRS 3G cell reselection lists after renewal include frequency and/or cell in the amended 3G adjacent cell lists Information；Cell reselection list modification unit is additionally operable to in the GPRS 3G cell reselection lists after the renewal and wrapping The frequency being contained in 3G adjacent cell lists is established according to what is occurred in 3G adjacent cell lists by order first backward successively ascending order Index, to not being included in 3G Neighbour Cell list in the GPRS 3G cell reselection lists after the renewal In frequency, its index value is constant.
- 6. device as claimed in claim 5, wherein, cell modification message is that grouping mea-sure order and/or packet cell change Become order.
- 7. device as claimed in claim 5, it is characterised in that the adjacent cell list modification unit is specifically used for：According to repairing The corresponding frequency included in frequency in 3G adjacent cell lists and/or cell information renewal GPRS3G cell reselection lists after changing Rate and/or cell information.
- 8. device as claimed in claim 7, it is characterised in that the adjacent cell list modification unit is specifically used for：With modification Cell and/or frequency in rear cell in 3G adjacent cell lists and/or frequency coverage GPRS 3G cell reselection lists, it is described Cell and/or frequency in GPRS 3G cell reselection lists are included in 3G adjacent cell lists before a modification.
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| CN201110356580.4A CN102892154B (en) | 2009-10-15 | 2009-10-15 | A kind of method and device for changing cell reselection list |
| CN2009101107931A CN102045685B (en) | 2009-10-15 | 2009-10-15 | Method and device for establishing cell reselection list |
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| WO2006134027A1 (en) * | 2005-06-14 | 2006-12-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Cell reselection for dual mode mobile stations in a common 2g/3g telecommunications network |
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| CN1868220A (en) * | 2003-10-16 | 2006-11-22 | 诺基亚有限公司 | Method and apparatus providing performance improvement for GPRS neighbour cell measurement reporting when packet broadcast control channel is not available |
| WO2006134027A1 (en) * | 2005-06-14 | 2006-12-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Cell reselection for dual mode mobile stations in a common 2g/3g telecommunications network |
| CN101536585A (en) * | 2006-11-17 | 2009-09-16 | 艾利森电话股份有限公司 | Transmission of special neighbor cell lists |
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