CN107592648A - Scrambler multiplexing method and device - Google Patents
Scrambler multiplexing method and device Download PDFInfo
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- CN107592648A CN107592648A CN201610528488.4A CN201610528488A CN107592648A CN 107592648 A CN107592648 A CN 107592648A CN 201610528488 A CN201610528488 A CN 201610528488A CN 107592648 A CN107592648 A CN 107592648A
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Abstract
The invention discloses a kind of scrambler multiplexing method, this method includes：The main scrambler of the user equipment instruction is obtained according to the event measurement report of user equipment to report；According to the main scrambler distribution information being pre-configured with and the main scrambler, neighbor cell corresponding to the main scrambler is searched；If lookup obtains neighbor cell corresponding to multiple main scramblers, according to the geographical location information of each neighbor cell corresponding to the geographical location information of the user equipment cell-of-origin and the main scrambler, Target cell is chosen.The invention also discloses a kind of scrambler multiplexer.The present invention solve adjacent area corresponding to main scrambler it is not unique when, it is difficult to the technical problem of selection target cell, improve the accuracy of selection target cell and the success rate of user equipment soft handover.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of scrambler multiplexing method and device.
Background technology
UMTS (Universal Mobile Telecommunications System, UMTS) is under
512 scramblers are provided in line link, each cell is distinguished for user equipment.But in the practical application of communication network, it may appear that phase
The main scrambler identical situation of adjacent cell.
User equipment is when carrying out soft handover, the main scrambler of a meeting indicating cell in the measurement report reported, if there is
RNC (Radio Network Controller, the wireless network control of main scrambler identical adjacent area, then user equipment cell-of-origin
Device) it will be unable to determine the Target cell switched, cause user equipment may soft handover failure.
Especially after deployment Small Cell (cell), due to the increasing number of neighbor cell, cause neighbor cell
Main scrambler identical situation also increases severely.Then main scrambler corresponds to the probability of multiple adjacent areas just very in the measurement report of user equipment
Height, directly influence the success rate of user equipment switching.
The content of the invention
It is a primary object of the present invention to provide a kind of scrambler multiplexing method and device, it is intended to if solving user during soft handover
Adjacent area corresponding to the main scrambler of equipment instruction is not unique, it is difficult to selects the technical problem of the Target cell of switching.
To achieve the above object, the present invention provides a kind of scrambler multiplexing method, and the scrambler multiplexing method includes following step
Suddenly：
The main scrambler of the user equipment instruction is obtained according to the event measurement report of user equipment to report；
According to the main scrambler distribution information being pre-configured with and the main scrambler, search adjacent small corresponding to the main scrambler
Area；
If lookup obtains neighbor cell corresponding to multiple main scramblers, according to the geography of the user equipment cell-of-origin
The geographical location information of each neighbor cell corresponding to positional information and the main scrambler, choose Target cell.
In one embodiment, the geographical location information is latitude and longitude information, described small according to the user equipment source
The geographical location information of each neighbor cell corresponding to the geographical location information in area and the main scrambler, choose Target cell the step of
Including：
Effective position range is configured according to the longitude and latitude of the cell-of-origin；
According to the longitude and latitude of each neighbor cell corresponding to the main scrambler, verify respectively each adjacent corresponding to the main scrambler
Whether cell is in the range of the active position；
Neighbor cell corresponding to obtaining the main scrambler in the range of the active position is Target cell.
In one embodiment, it is adjacent small corresponding to the main scrambler obtained in the range of the active position
The step of area is Target cell includes：
If verifying neighbor cell corresponding to obtaining multiple main scramblers in the range of the active position, obtain
Neighbor cell corresponding to the main scrambler in the range of the active position is effective adjacent area；
According to the longitude and latitude of the cell-of-origin and each effectively adjacent area, each effectively adjacent area and the source are calculated respectively
The distance of cell；
It is Target cell to choose the effective adjacent area minimum with the distance of the cell-of-origin.
In one embodiment, the longitude and latitude of each neighbor cell according to corresponding to the main scrambler, verifies institute respectively
The step of after each neighbor cell corresponding to main scrambler is stated whether in the range of the active position, in addition to：
If each neighbor cell corresponding to the main scrambler is not in the range of the active position, from the main scrambler
It is Target cell that a neighbor cell is randomly selected in corresponding each neighbor cell；Or,
It is not responding to the event measurement report.
In one embodiment, the geographical location information according to the user equipment cell-of-origin and the main scrambler pair
The geographical location information for each neighbor cell answered, choose Target cell the step of include：
According to the ground of each neighbor cell corresponding to the geographical location information of the user equipment cell-of-origin and the main scrambler
Positional information is managed, obtains the distance of the cell-of-origin each neighbor cell corresponding with the main scrambler respectively；
Chosen from each neighbor cell corresponding to the main scrambler small for target with the minimum cell of cell-of-origin distance
Area.
In addition, to achieve the above object, the present invention also provides a kind of scrambler multiplexer, the scrambler multiplexer bag
Include：
Scrambler module, the master for obtaining the user equipment instruction according to the event measurement report of user equipment to report disturb
Code；
Enquiry module, for according to the main scrambler distribution information being pre-configured with and the main scrambler, searching the main scrambler
Corresponding neighbor cell；
Choose module, if for search obtain multiple main scramblers corresponding to neighbor cell, set according to the user
The geographical location information of each neighbor cell, it is small to choose target corresponding to the geographical location information and the main scrambler of standby cell-of-origin
Area.
In one embodiment, the geographical location information is latitude and longitude information, and the selection module is additionally operable to,
Effective position range is configured according to the longitude and latitude of the cell-of-origin；According to each neighbor cell corresponding to the main scrambler
Longitude and latitude, verify each neighbor cell corresponding to the main scrambler respectively whether in the range of the active position；Obtain position
Neighbor cell corresponding to the main scrambler in the range of the active position is Target cell.
In one embodiment, the selection module is additionally operable to,
If verifying neighbor cell corresponding to obtaining multiple main scramblers in the range of the active position, obtain
Neighbor cell corresponding to the main scrambler in the range of the active position is effective adjacent area；According to the cell-of-origin and institute
The longitude and latitude of each effectively adjacent area is stated, calculates the distance of each effectively adjacent area and the cell-of-origin respectively；Choose small with the source
The minimum effective adjacent area of the distance in area is Target cell.
In one embodiment, the selection module is additionally operable to,
If each neighbor cell corresponding to the main scrambler is not in the range of the active position, from the main scrambler
It is Target cell that a neighbor cell is randomly selected in corresponding each neighbor cell；Or, it is not responding to the event measurement report.
In one embodiment, the selection module is additionally operable to,
According to the ground of each neighbor cell corresponding to the geographical location information of the user equipment cell-of-origin and the main scrambler
Positional information is managed, obtains the distance of the cell-of-origin each neighbor cell corresponding with the main scrambler respectively；From the main scrambler
It is Target cell that the cell minimum with cell-of-origin distance is chosen in corresponding each neighbor cell.
A kind of scrambler multiplexing method and device proposed by the present invention, obtained according to the event measurement report of user equipment to report
The main scrambler of user equipment instruction；Then, the main scrambler of information and user equipment instruction is distributed according to the main scrambler being pre-configured with,
Search neighbor cell corresponding to main scrambler；It is corresponding according to main scrambler if lookup obtains neighbor cell corresponding to multiple main scramblers
Each neighbor cell and user equipment cell-of-origin geographical location information, choose Target cell, solve adjacent corresponding to main scrambler
When area is not unique, it is difficult to the technical problem of selection target cell.When the main scrambler phase for having multiple neighbor cells is simultaneously as geography
The difference of position, cause the Primary Common Pilot Channel quality difference detected during user equipment soft handover, got over apart from user equipment
Closely, primary common pilot signal intensity is higher, and channel quality is also better.User equipment meeting prioritizing selection is relatively near, main apart from cell-of-origin
Common pilot signal intensity is higher, the preferable cell of channel quality is the neighbor cell of the main scrambler of instruction, and reported event, which measures, to be reported
Accuse.Therefore, the relation based on cell signal quality and distance, the geographical position of present invention neighbor cell each according to corresponding to main scrambler
Confidence ceases and the geographical location information of cell-of-origin, correctly can choose user equipment from each neighbor cell corresponding to main scrambler
The neighbor cell of instruction, improve the accuracy of selection target cell and the success rate of user equipment soft handover.Also, nothing of the present invention
Substantial amounts of complex calculation is needed, reduces the resource consumption of system；To network facet requirement than relatively low, it is only necessary to obtain each cell
Geographical location information, for other transmission means no requirement (NR)s.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of scrambler multiplexing method first embodiment of the present invention；
Fig. 2 is the schematic flow sheet of scrambler multiplexing method second embodiment of the present invention；
Fig. 3 is the schematic flow sheet of scrambler multiplexing method 3rd embodiment of the present invention；
Fig. 4 is the schematic flow sheet of scrambler multiplexing method fourth embodiment of the present invention；
Fig. 5 is the schematic flow sheet of the embodiment of scrambler multiplexing method the 5th of the present invention；
Fig. 6 be scrambler multiplexer first embodiment of the present invention, second embodiment, 3rd embodiment, fourth embodiment and
The high-level schematic functional block diagram of 5th embodiment.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The primary solutions of the embodiment of the present invention are：The use is obtained according to the event measurement report of user equipment to report
The main scrambler of family equipment instruction；According to the main scrambler distribution information being pre-configured with and the main scrambler, the main scrambler pair is searched
The neighbor cell answered；If lookup obtains neighbor cell corresponding to multiple main scramblers, according to the user equipment cell-of-origin
Geographical location information and the main scrambler corresponding to each neighbor cell geographical location information, choose Target cell.
The main scrambler of a meeting indicating cell, is disturbed if there is master in the measurement report reported due to prior art user equipment
Code identical adjacent area, then the RNC (Radio Network Controller, radio network controller) of user equipment cell-of-origin will
The Target cell of switching can not be determined, causes user equipment may soft handover failure.
The present invention provides a solution, the relation based on cell signal quality and distance, according to corresponding to main scrambler
The geographical location information of each neighbor cell and the geographical location information of cell-of-origin, can be correctly from each adjacent corresponding to main scrambler
Chosen in cell user equipment indicate neighbor cell, improve selection target cell accuracy and user equipment soft handover into
Power.
Reference picture 1, scrambler multiplexing method first embodiment of the present invention provide a kind of scrambler multiplexing method, the scrambler multiplexing
Method includes：
Step S10, the main scrambler of the user equipment instruction is obtained according to the event measurement report of user equipment to report.
The present embodiment is when the main scrambler that user equipment indicates corresponds to multiple neighbor cells, according to neighbor cell and cell-of-origin
Geographical position choose Target cell, for user equipment carry out soft handover.
Specifically, as a kind of embodiment, when carrying out soft handover, the base station of user equipment and cell-of-origin keeps link
Connection, while detect the channel quality of neighbor cell.
When user equipment detects that the Primary Common Pilot Channel quality of a neighbor cell exceedes default soft handover with respect to door
During limit value, 1A events, RNC (Radio Network Controller, wireless network control of the user equipment to cell-of-origin are triggered
Device) report 1A event measurement reports；When activation collection is expired, if user equipment detects the cell dominant pilot of an inactive set
Cell primary pilot channel in the well activation collection of channel, triggers 1C events, user equipment reports 1C things to the RNC of cell-of-origin
Part measurement report.The main scrambler of this cell is carried in 1A the or 1C event measurement reports of user equipment to report, for identifying this
Cell.
RNC obtains the master carried in report and disturbed in the event measurement report for receiving the user equipment to report in this cell
Code, obtained main scrambler namely user equipment instruction need the main scrambler of the cell accessed.
Thus, the main scrambler of user equipment instruction is obtained.It should be noted that in the present embodiment and event measurement report simultaneously
1A or 1C events are not restricted to, can also be other event measurement reports for carrying main scrambler, can be flexible according to being actually needed
Configuration.
Step S20, according to the main scrambler distribution information being pre-configured with and the main scrambler, search corresponding to the main scrambler
Neighbor cell.
After the main scrambler of user equipment instruction is obtained, RNC distributes information according to main scrambler is pre-configured with, and searches current main
Neighbor cell corresponding to scrambler.
Specifically, as a kind of embodiment, each cell is provided with main scrambler distribution information in advance, describes each cell
And its each pre-assigned main scrambler in neighbor cell.
Then user equipment cell-of-origin RNC distributes information according to main scrambler, looked into after the main scrambler of user equipment instruction is obtained
Look for neighbor cell corresponding to current main scrambler.
It is small according to the user equipment source if step S30, searching and obtaining neighbor cell corresponding to multiple main scramblers
The geographical location information of each neighbor cell corresponding to the geographical location information in area and the main scrambler, choose Target cell.
If lookup obtains multiple neighbor cells corresponding with main scrambler, namely currently neighbor cell corresponding to main scrambler is not only
One, then according to corresponding to the main scrambler that current lookup obtains each neighbor cell geographical location information, and user equipment source is small
The geographical location information in area, choose Target cell.It should be noted that the geographical location information of cell-of-origin is source in the present embodiment
The base station geographic position letter of the geographical location information of cell base station, the geographical location information of each neighbor cell namely each neighbor cell
Breath.
Specifically, as a kind of embodiment, the geographical location information table being pre-configured with, cell-of-origin and its each phase are described
The geographical location information of adjacent cell, usable various ways are characterized.After each neighbor cell corresponding to main scrambler is obtained, root
According to geographical location information table, inquiry obtains the geographical location information of cell-of-origin, and the geography of each neighbor cell corresponding to main scrambler
Positional information.
Or after each neighbor cell corresponding to main scrambler is obtained, each neighbor cell base station hair corresponding to RNC to main scrambler
Inquiry request is sent, obtains the geographical location information of each neighbor cell corresponding to main scrambler.
Then, RNC is according to the geographical position letter of the geographical location information of cell-of-origin, and each neighbor cell corresponding to main scrambler
Breath, the distance of each neighbor cell corresponding to cell-of-origin and main scrambler is calculated respectively.
Then, the distance of RNC each neighbor cells according to corresponding to cell-of-origin and main scrambler, from each adjacent corresponding to main scrambler
Target cell is chosen in cell.For example, from each neighbor cell corresponding to main scrambler, choose and closest adjacent in cell-of-origin
Cell is the Target cell of user equipment switching；Or distance range is pre-configured with, choose and meet distance with the distance of cell-of-origin
The neighbor cell of scope is Target cell.
After Target cell is obtained, RNC is using this Target cell as adjacent small corresponding to the main scrambler that user equipment indicates
Area, switch indicating information is sent to user equipment, establish link for the base station of user equipment and Target cell, carry out soft handover.
In the present embodiment, the main scrambler of user equipment instruction is obtained according to the event measurement report of user equipment to report；
Then, the main scrambler of information and user equipment instruction is distributed according to the main scrambler being pre-configured with, is searched adjacent corresponding to main scrambler
Cell；If lookup obtains neighbor cell corresponding to multiple main scramblers, each neighbor cell is set with user according to corresponding to main scrambler
The geographical location information of standby cell-of-origin, choose Target cell, solve adjacent area corresponding to main scrambler it is not unique when, it is difficult to select mesh
Mark the technical problem of cell.When the main scrambler phase for having multiple neighbor cells is simultaneously as the difference in geographical position, causes user to set
The Primary Common Pilot Channel quality detected during standby soft handover is different, primary common pilot signal intensity nearer apart from user equipment
Higher, channel quality is also better.User equipment can prioritizing selection apart from cell-of-origin is relatively near, primary common pilot signal intensity is higher,
The preferable cell of channel quality is to indicate the neighbor cell of main scrambler, reported event measurement report.Therefore, based on cell signal matter
The relation of amount and distance, the geographical position of the geographical location information of each neighbor cell and cell-of-origin is believed according to corresponding to main scrambler
Breath, the neighbor cell that can correctly choose user equipment to indicate from each neighbor cell corresponding to main scrambler, improve selection mesh
Mark the accuracy of cell and the success rate of user equipment soft handover.Also, the present embodiment reduces without substantial amounts of complex calculation
The resource consumption of system；To network facet requirement than relatively low, it is only necessary to the geographical location information of each cell is obtained, for it
His transmission means no requirement (NR).
Further, reference picture 2, scrambler multiplexing method second embodiment of the present invention provide a kind of scrambler multiplexing method, base
In the embodiment shown in above-mentioned Fig. 1, the geographical location information is latitude and longitude information, and the step S30 includes：
Step S31, effective position range is configured according to the longitude and latitude of the cell-of-origin.
Because latitude and longitude information easily obtains, and precision is higher, can ensure the accuracy that Target cell is chosen.For essence
The position of true cell, can be used the longitude and latitude of each cell base station as the geographical location information of cell.
In the present embodiment, using each cell base station longitude and latitude each cell corresponding to longitude and latitude.That is, each phase
Adjacent cell and the geographical location information of user equipment cell-of-origin, it is each neighbor cell and the longitude and latitude of user equipment source cell base station
Information.
When lookup obtains neighbor cell corresponding to multiple main scramblers, cell-of-origin RNC is according to the longitude and latitude of cell-of-origin, configuration
Active position scope.
Specifically, as a kind of embodiment, can on the basis of the longitude and latitude of cell-of-origin point, angle value of learning from else's experience and datum mark
It is default that the absolute value of the difference of longitude meets that the absolute value of the difference of default first difference, latitude value and datum mark latitude value meets
The second difference point composition region be active position scope.That is, by the longitude of datum mark plus the first difference, datum mark
Longitude subtract the first difference, the latitude of datum mark subtracts the second difference obtains four plus the latitude of the second difference and datum mark
The region of bar latitude and longitude composition is active position scope.
For example, default first difference and the second difference are 1 degree, source cell base station longitude and latitude is 100 degree of east longitude, north latitude
25 degree, then the point within 24 degree of 101 degree of east longitude, 99 degree of east longitude, 26 degree of north latitude and north latitude scopes and the longitude and latitude of source cell base station
The absolute value of difference be satisfied by default first difference and the second difference, 101 degree of east longitude, 99 degree of east longitude, 26 degree of north latitude and north latitude
The scope namely active position scope of 24 degree of scope compositions.
Thus, the active position scope configured.
Step S32, the longitude and latitude of each neighbor cell according to corresponding to the main scrambler, it is corresponding that the main scrambler is verified respectively
Each neighbor cell whether in the range of the active position.
After active position scope is obtained, each neighbor cell corresponding to main scrambler is verified respectively, judges it whether positioned at having
Imitate in position range.If the longitude and latitude of a cell base station are respectively positioned in the range of active position, judge this cell positioned at having
Imitate in position range；Otherwise, it is determined that this cell is not located at active position scope.
Thus, the check results of each neighbor cell corresponding to main scrambler are obtained.
Step S33, neighbor cell corresponding to obtaining the main scrambler in the range of the active position is that target is small
Area.
After the check results of each neighbor cell corresponding to main scrambler are obtained, phase of the RNC fetch bits in the range of active position
Adjacent cell is Target cell.
Specifically, as a kind of embodiment, neighbor cell corresponding to the main scrambler in the range of the active position only has one
When individual, it is Target cell to take this neighbor cell；, can when neighbor cell corresponding to main scrambler in the range of the active position has multiple
To choose Target cell in the neighbor cell according to corresponding to default rule from the main scrambler in the range of active position, for example, can
It is Target cell to randomly select neighbor cell corresponding to the main scrambler in the range of active position.
In the present embodiment, neighbor cell corresponding to multiple main scramblers is obtained if searching, according to the longitude and latitude of cell-of-origin
Configure effective position range；Then, according to corresponding to main scrambler each neighbor cell longitude and latitude, verify respectively corresponding to main scrambler
Each neighbor cell obtains the check results of each neighbor cell corresponding to main scrambler whether in the range of active position；Then, obtain
Neighbor cell corresponding to main scrambler of the fetch bit in the range of the active position is Target cell.The present embodiment is by configuring active position
Scope, the neighbor cell in the range of active position is removed, so as to eliminate outside active position scope, distant, Your Majesty leads altogether
The weaker cell of frequency signal, the Target cell in the range of active position of selection are more likely to use due to closer to the distance
The neighbor cell of the preparation switching of family equipment instruction, so that the handover success rate for the Target cell chosen is higher.
Further, reference picture 3, scrambler multiplexing method 3rd embodiment of the present invention provide a kind of scrambler multiplexing method, base
In the embodiment shown in above-mentioned Fig. 2, the step S33 includes：
Step S331, if verification obtains adjacent small corresponding to multiple main scramblers in the range of the active position
Area, then neighbor cell corresponding to the main scrambler of the acquisition in the range of the active position is effective adjacent area.
In the present embodiment, if verification obtains having in neighbor cell corresponding to current main scrambler and multiple is located at active position model
In enclosing, then RNC is taken in the range of active position, and neighbor cell corresponding to main scrambler is effective adjacent area.
Step S332, according to the longitude and latitude of the cell-of-origin and each effectively adjacent area, calculate respectively described each effectively adjacent
The distance in area and the cell-of-origin.
After each effectively adjacent area is obtained, according to the longitude and latitude of cell-of-origin and each effectively adjacent area, it is calculated respectively each effective
Adjacent area and the distance of cell-of-origin.
Specifically, as a kind of embodiment, equation below can be used to be calculated for the distance of effective adjacent area and cell-of-origin,
Wherein, Distance is distance, and unit is km (km), and A1 is the longitude of cell-of-origin, and B1 is the latitude of cell-of-origin,
A2 is the longitude of effective adjacent area, and B2 is the latitude of effective adjacent area.
Thus, it is possible to the distance of effective adjacent area and cell-of-origin is calculated respectively according to above-mentioned formula.
Step S333, it is Target cell to choose the effective adjacent area minimum with the distance of the cell-of-origin.
After each effectively distance of adjacent area and cell-of-origin is obtained, it is target to choose the effective adjacent area minimum with cell-of-origin distance
Cell.
In the present embodiment, after multiple effectively adjacent areas are obtained, according to the longitude and latitude of cell-of-origin and each effectively adjacent area, choose
The minimum effective adjacent area of minimum effective adjacent area distance is Target cell with cell-of-origin distance, due to Target cell and cell-of-origin
It is closest, signal quality is best, be also just most likely to be the neighbor cell of user equipment instruction, therefore obtained Target cell
Accuracy also highest, the success rate of user equipment soft handover can be greatly promoted.
Further, reference picture 4, scrambler multiplexing method fourth embodiment of the present invention provide a kind of scrambler multiplexing method, base
After the embodiment (the present embodiment is by taking Fig. 2 as an example) shown in above-mentioned Fig. 2 or Fig. 3, the step S32, in addition to：
If each neighbor cell corresponding to step S34, described main scrambler is not in the range of the active position, from institute
It is Target cell to state and a neighbor cell is randomly selected in each neighbor cell corresponding to main scrambler；Or,
It is not responding to the event measurement report.
In the present embodiment, if neighbor cell is not located in the range of active position all corresponding to current master control code,
It is believed that the cell hypertelorism that current user equipment detects, jitter, are not suitable for carrying out soft handover.
As a kind of embodiment, RNC can be randomly selected one adjacent small from each neighbor cell corresponding to master control code
Area carries out soft handover as Target cell for user equipment.
As another embodiment, RNC can be determined that currently detected anomalous event, such as the reason such as strong wind cause to use
The remote cell signal that family equipment detects, take for that soft handover can be carried out.Now, RNC be not responding to user equipment this
The secondary event measurement report reported, control user equipment are not connected with current main scrambler to the cell of application.
In the present embodiment, if each neighbor cell corresponding to main scrambler is disturbed not in the range of active position from master
Target cell is randomly selected in each neighbor cell corresponding to code, or is not responding to the affair report that user equipment this time reports
Accuse, so as to which when neighbor cell corresponding to main scrambler is distant, control user equipment carries out soft handover；Or control user
Equipment avoids soft handover from unsuccessfully being impacted to user equipment, wastes system resource without soft handover.
Further, reference picture 5, the embodiment of scrambler multiplexing method the 5th of the present invention provide a kind of scrambler multiplexing method, base
In the embodiment shown in above-mentioned Fig. 1, the step S30 includes：
Step S35, it is each adjacent according to corresponding to the geographical location information of the user equipment cell-of-origin and the main scrambler
The geographical location information of cell, the distance of the cell-of-origin each neighbor cell corresponding with the main scrambler is obtained respectively；
Step S36, the cell minimum with cell-of-origin distance is chosen from each neighbor cell corresponding to the main scrambler
For Target cell.
In the present embodiment, multiple neighbor cells corresponding with main scrambler are obtained if searching, according to user equipment cell-of-origin
Geographical location information and main scrambler corresponding to each neighbor cell geographical location information, calculate cell-of-origin and main scrambler pair respectively
The distance for each neighbor cell answered.
Because distance is nearer, the channel quality of primary common pilot is generally better, then closest cell is user equipment
The probability of the Target cell of instruction is higher, therefore, after the distance of cell-of-origin each neighbor cell corresponding with main scrambler is obtained, root
According to the size of distance, choose in each neighbor cell corresponding to main scrambler, be Target cell with the closest cell in cell-of-origin.
In the present embodiment, Target cell is chosen according to the distance of cell-of-origin each cell corresponding with main scrambler, selection
Target cell accuracy is high, improves the success rate of user equipment soft handover.Also, the operand for obtaining distance is small, reduces
System resources consumption.
Reference picture 6, scrambler multiplexer first embodiment of the present invention provide a kind of scrambler multiplexer, the scrambler multiplexing
Device includes：
Scrambler module 10, for obtaining the master of the user equipment instruction according to the event measurement report of user equipment to report
Scrambler.
The present embodiment is when the main scrambler that user equipment indicates corresponds to multiple neighbor cells, according to neighbor cell and cell-of-origin
Geographical position choose Target cell, for user equipment carry out soft handover.Scrambler multiplexer can be deployed in the RNC of cell-of-origin
In (Radio Network Controller, radio network controller).
Specifically, as a kind of embodiment, when carrying out soft handover, the base station of user equipment and cell-of-origin keeps link
Connection, while detect the channel quality of neighbor cell.
When user equipment detects that the Primary Common Pilot Channel quality of a neighbor cell exceedes default soft handover with respect to door
During limit value, 1A events are triggered, user equipment reports 1A event measurement reports to the scrambler module 10 of cell-of-origin；When activation collection is full
When, if user equipment detects the cell dominant pilot letter in the well activation collection of the cell primary pilot channel of an inactive set
Road, triggers 1C events, and user equipment reports 1C event measurement reports to the RNC of cell-of-origin.1A the or 1C things of user equipment to report
The main scrambler of this cell is carried in part measurement report, for identifying this cell.
Scrambler module 10 is obtained and carried in report in the event measurement report for receiving the user equipment to report in this cell
Main scrambler, obtained main scrambler namely user equipment instruction needs the main scrambler of cell accessed.
Thus, scrambler module 10 obtains the main scrambler of user equipment instruction.It should be noted that in the present embodiment and event
Measurement report is not restricted to 1A or 1C events, can also be other event measurement reports for carrying main scrambler, can be according to reality
Border needs flexible configuration.
Enquiry module 20, for according to the main scrambler distribution information being pre-configured with and the main scrambler, searching the master and disturbing
Neighbor cell corresponding to code.
After the main scrambler of user equipment instruction is obtained, enquiry module 20 distributes information according to main scrambler is pre-configured with, and looks into
Look for neighbor cell corresponding to current main scrambler.
Specifically, as a kind of embodiment, each cell is provided with main scrambler distribution information in advance, describes each cell
And its each pre-assigned main scrambler in neighbor cell.
Then enquiry module 20 distributes information after the main scrambler of user equipment instruction is obtained according to main scrambler, searches current
Neighbor cell corresponding to main scrambler.
Module 30 is chosen, if neighbor cell corresponding to multiple main scramblers is obtained for searching, according to the user
The geographical location information of each neighbor cell corresponding to the geographical location information of equipment cell-of-origin and the main scrambler, it is small to choose target
Area.
If lookup obtains multiple neighbor cells corresponding with main scrambler, namely currently neighbor cell corresponding to main scrambler is not only
One, then choose the geographical location information of each neighbor cell according to corresponding to the main scrambler that current lookup obtains of module 30, Yi Jiyong
The geographical location information of family equipment cell-of-origin, choose Target cell.It should be noted that in the present embodiment cell-of-origin geographical position
Confidence breath is the base station of the geographical location information of source cell base station, the geographical location information of each neighbor cell namely each neighbor cell
Geographical location information.
Specifically, as a kind of embodiment, geographical location information table can be pre-configured with, records cell-of-origin and its each phase
The geographical location information of adjacent cell, usable various ways are characterized.After each neighbor cell corresponding to main scrambler is obtained, choosing
For modulus block 30 according to geographical location information table, inquiry obtains the geographical location information of cell-of-origin, and corresponding to main scrambler it is each adjacent
The geographical location information of cell.
Or after each neighbor cell corresponding to main scrambler is obtained, choose each adjacent small corresponding to module 30 to main scrambler
Area base station sends inquiry request, obtains the geographical location information of each neighbor cell corresponding to main scrambler.
Then, geographical location information of the module 30 according to cell-of-origin, and the ground of each neighbor cell corresponding to main scrambler are chosen
Positional information is managed, the distance of each neighbor cell corresponding to cell-of-origin and main scrambler is calculated respectively.
Then, the distance of each neighbor cell according to corresponding to cell-of-origin and main scrambler of module 30 is chosen, it is corresponding from main scrambler
Each neighbor cell in choose Target cell.For example, from each neighbor cell corresponding to main scrambler, choose with cell-of-origin distance most
Near neighbor cell is the Target cell of user equipment switching；Or distance range is pre-configured with, choose the distance with cell-of-origin
The neighbor cell for meeting distance range is Target cell.
After Target cell is obtained, module 30 is chosen using this Target cell as corresponding to the main scrambler that user equipment indicates
Neighbor cell, switch indicating information is sent to user equipment, establish link for the base station of user equipment and Target cell, carry out soft
Switching.
In the present embodiment, scrambler module 10 obtains user equipment instruction according to the event measurement report of user equipment to report
Main scrambler；Then, the main scrambler that enquiry module 20 distributes information according to the main scrambler being pre-configured with and user equipment indicates, is looked into
Look for neighbor cell corresponding to main scrambler；If lookup obtains neighbor cell corresponding to multiple main scramblers, module 30 is chosen according to master
The geographical location information of each neighbor cell corresponding to scrambler and user equipment cell-of-origin, Target cell is chosen, solves main scrambler
When corresponding adjacent area is not unique, it is difficult to the technical problem of selection target cell.When the main scrambler for having multiple neighbor cells is identical,
Due to the difference in geographical position, cause the Primary Common Pilot Channel quality difference detected during user equipment soft handover, distance is used
Family equipment is nearer, and primary common pilot signal intensity is higher, and channel quality is also better.User equipment meeting prioritizing selection is apart from cell-of-origin
Neighbor cell relatively near, primary common pilot signal intensity is higher, the preferable cell of channel quality is the main scrambler of instruction, reported event
Measurement report.Therefore, the relation based on cell signal quality and distance, the geographical position of each neighbor cell according to corresponding to main scrambler
Confidence ceases and the geographical location information of cell-of-origin, correctly can choose user equipment from each neighbor cell corresponding to main scrambler
The neighbor cell of instruction, improve the accuracy of selection target cell and the success rate of user equipment soft handover.Also, the present embodiment
Without substantial amounts of complex calculation, the resource consumption of system is reduced；To network facet requirement than relatively low, it is only necessary to obtain each cell
Geographical location information, for other transmission means no requirement (NR)s.
Further, reference picture 6, scrambler multiplexer second embodiment of the present invention provide a kind of scrambler multiplexer, base
In the invention described above scrambler multiplexer first embodiment, the geographical location information is latitude and longitude information, the selection module
30 are additionally operable to,
Effective position range is configured according to the longitude and latitude of the cell-of-origin；According to each neighbor cell corresponding to the main scrambler
Longitude and latitude, verify each neighbor cell corresponding to the main scrambler respectively whether in the range of the active position；Obtain position
Neighbor cell corresponding to the main scrambler in the range of the active position is Target cell.
Because latitude and longitude information easily obtains, and precision is higher, can ensure the accuracy that Target cell is chosen.For essence
The position of true cell, can be used the longitude and latitude of each cell base station as the geographical location information of cell.
In the present embodiment, using each cell base station longitude and latitude each cell corresponding to longitude and latitude.That is, each phase
Adjacent cell and the geographical location information of user equipment cell-of-origin, it is each neighbor cell and the longitude and latitude of user equipment source cell base station
Information.
When lookup obtains neighbor cell corresponding to multiple main scramblers, module 30 is chosen according to the longitude and latitude of cell-of-origin, is matched somebody with somebody
It is set effective position range.
Specifically, as a kind of embodiment, can on the basis of the longitude and latitude of cell-of-origin point, angle value of learning from else's experience and datum mark
It is default that the absolute value of the difference of longitude meets that the absolute value of the difference of default first difference, latitude value and datum mark latitude value meets
The second difference point composition region be active position scope.That is, by the longitude of datum mark plus the first difference, datum mark
Longitude subtract the first difference, the latitude of datum mark subtracts the second difference obtains four plus the latitude of the second difference and datum mark
The region of bar latitude and longitude composition is active position scope.
For example, default first difference and the second difference are 1 degree, source cell base station longitude and latitude is 100 degree of east longitude, north latitude
25 degree, then the point within 24 degree of 101 degree of east longitude, 99 degree of east longitude, 26 degree of north latitude and north latitude scopes and the longitude and latitude of source cell base station
The absolute value of difference be satisfied by default first difference and the second difference, 101 degree of east longitude, 99 degree of east longitude, 26 degree of north latitude and north latitude
The scope namely active position scope of 24 degree of scope compositions.
Thus, the active position scope that module 30 is configured is chosen.
After active position scope is obtained, choose module 30 and verify each neighbor cell corresponding to main scrambler respectively, judge it
Whether in the range of active position.If the longitude and latitude of a cell base station are respectively positioned in the range of active position, this is judged
Cell is located in the range of active position；Otherwise, it is determined that this cell is not located at active position scope.
Thus, choose module 30 and obtain the check results of each neighbor cell corresponding to main scrambler.
After the check results of each neighbor cell corresponding to main scrambler are obtained, the fetch bit of module 30 is chosen in active position scope
Interior neighbor cell is Target cell.
Specifically, as a kind of embodiment, neighbor cell corresponding to the main scrambler in the range of the active position only has one
When individual, it is Target cell to take this neighbor cell；, can when neighbor cell corresponding to main scrambler in the range of the active position has multiple
To choose Target cell in the neighbor cell according to corresponding to default rule from the main scrambler in the range of active position, for example, can
It is Target cell to randomly select neighbor cell corresponding to the main scrambler in the range of active position.
In the present embodiment, neighbor cell corresponding to multiple main scramblers is obtained if searching, it is small according to source chooses module 30
The longitude and latitude in area configures effective position range；Then, according to corresponding to main scrambler each neighbor cell longitude and latitude, respectively verification master
Each neighbor cell corresponding to scrambler obtains the verification knot of each neighbor cell corresponding to main scrambler whether in the range of active position
Fruit；Then, neighbor cell corresponding to obtaining the main scrambler in the range of active position is Target cell.The present embodiment by with
Be set effective position range, remove the neighbor cell in the range of active position, so as to eliminate outside active position scope, distance compared with
Far, the weaker cell of primary common pilot signal, the Target cell in the range of active position of selection is due to closer to the distance, more
The neighbor cell of user equipment instruction is likely to be, so that the handover success rate for the Target cell chosen is higher.
Further, reference picture 6, scrambler multiplexer 3rd embodiment of the present invention provide a kind of scrambler multiplexer, base
In the invention described above scrambler multiplexer second embodiment, the selection module 30 is additionally operable to,
If verifying neighbor cell corresponding to obtaining multiple main scramblers in the range of the active position, obtain
Neighbor cell corresponding to the main scrambler in the range of the active position is effective adjacent area；According to the cell-of-origin and institute
The longitude and latitude of each effectively adjacent area is stated, calculates the distance of each effectively adjacent area and the cell-of-origin respectively；Choose small with the source
The minimum effective adjacent area of the distance in area is Target cell.
In the present embodiment, if verification obtains having in neighbor cell corresponding to current main scrambler and multiple is located at active position model
In enclosing, then choose module 30 and take in the range of active position, neighbor cell corresponding to main scrambler is effective adjacent area.
After each effectively adjacent area is obtained, longitude and latitude of the module 30 according to cell-of-origin and each effectively adjacent area is chosen, is calculated respectively
Obtain each effectively distance of adjacent area and cell-of-origin.
Specifically, as a kind of embodiment, equation below can be used to be calculated for the distance of effective adjacent area and cell-of-origin,
Wherein, Distance is distance, and unit is km (km), and A1 is the longitude of cell-of-origin, and B1 is the latitude of cell-of-origin,
A2 is the longitude of effective adjacent area, and B2 is the latitude of effective adjacent area.
Thus, choose module 30 distance of effective adjacent area and cell-of-origin can be calculated respectively according to above-mentioned formula.
After each effectively distance of adjacent area and cell-of-origin is obtained, choose module 30 and choose with cell-of-origin apart from the effective of minimum
Adjacent area is Target cell.
In the present embodiment, after multiple effectively adjacent areas are obtained, module 30 is chosen according to cell-of-origin and each effectively adjacent area
Longitude and latitude, it is Target cell to choose the minimum effective adjacent area of the effective adjacent area distance minimum with cell-of-origin distance, because target is small
Area and the closest of cell-of-origin, signal quality are best, are also just most likely to be the neighbor cell of user equipment instruction, therefore obtain
The Target cell accuracy arrived also highest, the success rate of user equipment soft handover can be greatly promoted.
Further, reference picture 6, scrambler multiplexer fourth embodiment of the present invention provide a kind of scrambler multiplexer, base
In the invention described above scrambler multiplexer second embodiment or 3rd embodiment, the selection module 30 is additionally operable to,
If each neighbor cell corresponding to the main scrambler is not in the range of the active position, from the main scrambler
It is Target cell that a neighbor cell is randomly selected in corresponding each neighbor cell；Or, it is not responding to the event measurement report.
In the present embodiment, if neighbor cell is not located in the range of active position all corresponding to current master control code,
It is believed that the cell hypertelorism that current user equipment detects, jitter, are not suitable for carrying out soft handover.
As a kind of embodiment, one can be randomly selected from each neighbor cell corresponding to master control code by choosing module 30
Individual neighbor cell carries out soft handover as Target cell for user equipment.
As another embodiment, choose module 30 and can be determined that currently detected anomalous event, such as the original such as strong wind
The remote cell signal that user equipment detects caused by, take for that soft handover can be carried out.Now, module 30 is chosen not
The event measurement report that response user equipment this time reports, control user equipment do not connect with current main scrambler to the cell of application
Connect.
In the present embodiment, if mould is chosen in each neighbor cell corresponding to main scrambler not in the range of active position
Target cell is randomly selected in each neighbor cell corresponding to block 30 from main scrambler, or is not responding to the thing that user equipment this time reports
Part measurement report, so as to which when neighbor cell corresponding to main scrambler is distant, control user equipment carries out soft handover；Or
User equipment is controlled to avoid soft handover unsuccessfully to be impacted to user equipment without soft handover, waste system resource.
Further, reference picture 6, the embodiment of scrambler multiplexer the 5th of the present invention provide a kind of scrambler multiplexer, base
In the invention described above scrambler multiplexer first embodiment, the selection module 30 is additionally operable to,
According to the ground of each neighbor cell corresponding to the geographical location information of the user equipment cell-of-origin and the main scrambler
Positional information is managed, obtains the distance of the cell-of-origin each neighbor cell corresponding with the main scrambler respectively；From the main scrambler
It is Target cell that the cell minimum with cell-of-origin distance is chosen in corresponding each neighbor cell.
In the present embodiment, multiple neighbor cells corresponding with main scrambler are obtained if searching, choose module 30 according to user
The geographical location information of each neighbor cell, calculates cell-of-origin respectively corresponding to the geographical location information of equipment cell-of-origin and main scrambler
The distance of each neighbor cell corresponding with main scrambler.
Because distance is nearer, the channel quality of primary common pilot is generally better, then closest cell is user equipment
The probability of the Target cell of instruction is higher, therefore, after the distance of cell-of-origin each neighbor cell corresponding with main scrambler is obtained, choosing
Modulus block 30 is chosen in each neighbor cell corresponding to main scrambler, closest cell is with cell-of-origin according to the size of distance
Target cell.
In the present embodiment, it is small according to the distance of cell-of-origin each cell corresponding with main scrambler selection target to choose module 30
Area, the Target cell accuracy of selection is high, improves the success rate of user equipment soft handover.Also, obtain the operand of distance
It is small, reduce system resources consumption.
The alternative embodiment of the present invention is these are only, is not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of scrambler multiplexing method, it is characterised in that the scrambler multiplexing method comprises the following steps：
The main scrambler of the user equipment instruction is obtained according to the event measurement report of user equipment to report；
According to the main scrambler distribution information being pre-configured with and the main scrambler, neighbor cell corresponding to the main scrambler is searched；
If lookup obtains neighbor cell corresponding to multiple main scramblers, according to the geographical position of the user equipment cell-of-origin
The geographical location information of each neighbor cell corresponding to information and the main scrambler, choose Target cell.
2. scrambler multiplexing method as claimed in claim 1, it is characterised in that the geographical location information is latitude and longitude information,
The geographical position of each neighbor cell according to corresponding to the geographical location information of the user equipment cell-of-origin and the main scrambler
Confidence cease, choose Target cell the step of include：
Effective position range is configured according to the longitude and latitude of the cell-of-origin；
According to the longitude and latitude of each neighbor cell corresponding to the main scrambler, each neighbor cell corresponding to the main scrambler is verified respectively
Whether in the range of the active position；
Neighbor cell corresponding to obtaining the main scrambler in the range of the active position is Target cell.
3. scrambler multiplexing method as claimed in claim 2, it is characterised in that described to obtain in the range of the active position
The main scrambler corresponding to neighbor cell the step of being Target cell include：
If verification obtains neighbor cell corresponding to multiple main scramblers in the range of the active position, acquisition is located at
Neighbor cell corresponding to the main scrambler in the range of the active position is effective adjacent area；
According to the longitude and latitude of the cell-of-origin and each effectively adjacent area, each effectively adjacent area and the cell-of-origin are calculated respectively
Distance；
It is Target cell to choose the effective adjacent area minimum with the distance of the cell-of-origin.
4. scrambler multiplexing method as claimed in claim 2 or claim 3, it is characterised in that described each according to corresponding to the main scrambler
The longitude and latitude of neighbor cell, each neighbor cell corresponding to the main scrambler is verified respectively whether in the range of the active position
Afterwards the step of, in addition to：
If each neighbor cell corresponding to the main scrambler is not in the range of the active position, corresponding from the main scrambler
Each neighbor cell in randomly select a neighbor cell be Target cell；Or,
It is not responding to the event measurement report.
5. scrambler multiplexing method as claimed in claim 1, it is characterised in that the ground according to the user equipment cell-of-origin
The step of managing the geographical location information of each neighbor cell corresponding to positional information and the main scrambler, choosing Target cell includes：
According to the geographical position of each neighbor cell corresponding to the geographical location information of the user equipment cell-of-origin and the main scrambler
Confidence ceases, and obtains the distance of the cell-of-origin each neighbor cell corresponding with the main scrambler respectively；
It is Target cell that the cell minimum with cell-of-origin distance is chosen from each neighbor cell corresponding to the main scrambler.
6. a kind of scrambler multiplexer, it is characterised in that the scrambler multiplexer includes：
Scrambler module, for obtaining the main scrambler of the user equipment instruction according to the event measurement report of user equipment to report；
Enquiry module, for according to the main scrambler distribution information being pre-configured with and the main scrambler, it is corresponding to search the main scrambler
Neighbor cell；
Module is chosen, if neighbor cell corresponding to multiple main scramblers is obtained for searching, according to the user equipment source
The geographical location information of each neighbor cell corresponding to the geographical location information of cell and the main scrambler, choose Target cell.
7. scrambler multiplexer as claimed in claim 6, it is characterised in that the geographical location information is latitude and longitude information,
The selection module is additionally operable to,
Effective position range is configured according to the longitude and latitude of the cell-of-origin；According to the warp of each neighbor cell corresponding to the main scrambler
Latitude, each neighbor cell corresponding to the main scrambler is verified respectively whether in the range of the active position；Obtain positioned at institute
Neighbor cell corresponding to stating the main scrambler in the range of active position is Target cell.
8. scrambler multiplexer as claimed in claim 7, it is characterised in that the selection module is additionally operable to,
If verification obtains neighbor cell corresponding to multiple main scramblers in the range of the active position, acquisition is located at
Neighbor cell corresponding to the main scrambler in the range of the active position is effective adjacent area；According to the cell-of-origin with it is described each
The longitude and latitude of effective adjacent area, the distance of each effectively adjacent area and the cell-of-origin is calculated respectively；Choose and the cell-of-origin
The minimum effective adjacent area of distance is Target cell.
9. scrambler multiplexer as claimed in claim 7 or 8, it is characterised in that the selection module is additionally operable to,
If each neighbor cell corresponding to the main scrambler is not in the range of the active position, corresponding from the main scrambler
Each neighbor cell in randomly select a neighbor cell be Target cell；Or, it is not responding to the event measurement report.
10. scrambler multiplexer as claimed in claim 6, it is characterised in that the selection module is additionally operable to,
According to the geographical position of each neighbor cell corresponding to the geographical location information of the user equipment cell-of-origin and the main scrambler
Confidence ceases, and obtains the distance of the cell-of-origin each neighbor cell corresponding with the main scrambler respectively；It is corresponding from the main scrambler
Each neighbor cell in choose the cell minimum with cell-of-origin distance be Target cell.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101980567A (en) * | 2010-10-12 | 2011-02-23 | 华为技术有限公司 | Method and system for determining switched target cell, and access network equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101980567A (en) * | 2010-10-12 | 2011-02-23 | 华为技术有限公司 | Method and system for determining switched target cell, and access network equipment |
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