CN104811977B - A kind of method and apparatus for intercepting adjacent area - Google Patents
A kind of method and apparatus for intercepting adjacent area Download PDFInfo
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- CN104811977B CN104811977B CN201510158559.1A CN201510158559A CN104811977B CN 104811977 B CN104811977 B CN 104811977B CN 201510158559 A CN201510158559 A CN 201510158559A CN 104811977 B CN104811977 B CN 104811977B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
Abstract
The present invention relates to a kind of method and apparatus for intercepting adjacent area, to solve the existing method for intercepting adjacent area for room subsystem, can not effectively solve the problems, such as during intercepting different extension unit noises and/or interference superposition and cause to intercept it is low success rate of, or the problem of long is taken during intercepting.The method of the embodiment of the present invention, including：Baseband processing unit by extension unit be divided into it is N number of intercept group, N is positive integer；Group is intercepted for one, and baseband processing unit is according to the independent quality of reception on each frequency point to be intercepted of each extension unit intercepted in group, from intercepting one extension unit of selection in group；Baseband processing unit opens the extension unit of selection, and closes and intercept remaining extension unit in group, by the extension unit of unlatching on frequency point to be intercepted received signal, determine the cell information of adjacent area.
Description
Technical field
The present invention relates to wireless communication field, more particularly to a kind of method and apparatus for intercepting adjacent area.
Background technology
With the fast development of mobile Internet, house data business is in explosive growth, realize indoor depth covering and
Capacity becomes particularly urgent, and new room subsystem uses small due to being easy to rapid deployment using cable passback power supply
The mulching method of power multiple antennas effectively reaches signal uniform fold, therefore is widely used in in-door covering, effectively
Realize indoor depth covering and capacity.At the same time, due to SON (Self-Organized Net Work, self-organization network
Network) the network O＆M cost of mobile operator can be effectively reduced, therefore increase SON functions in new room subsystem and seem non-
It is often necessary.
However, to realize that SON first has to completion adjacent area and intercepts, relatively serve for the terminal under new room subsystem, by
The intensity of the broadcast singal arrival extension unit of adjacent base station is weaker when adjacent area is intercepted, therefore the sensitivity for solving adjacent area broadcast will
Ask higher, so the result for deteriorating sensitivity after the noise superposition of more extension units can cause under adjacent area intercepts success rate significantly
Drop；Meanwhile in identical networking, the extension unit of new room subsystem different directions is likely to be received the letter with the different cell of frequency
Number, so cause each extension unit receive Signal averaging after serious interference intercept success rate so as to reduce；Further, since new room
Subsystem is returned using cable, can be limited to upstream bandwidth and be caused the service area under the administration of base station or part during SON
Service area can not provide business service, influence user experience, so needing to compress time of intercept to greatest extent.
Under the prior art mainly includes for the different extension unit noises and/or interference superposition suppressing method of room subsystem
State three kinds of methods：
Method one：Extension unit traversal one by one.Though this method can effectively suppress different extension unit noises and/or interference
Superposition carries out adjacent area and intercepts to ensure to intercept success rate due to needing to travel through extension unit one by one, can be taken due to intercepting
It is long to influence business service, and the adjacent area for not being suitable for new room subsystem is intercepted.
Method two：Carrier slots or time-frequency fine granularity power shutdown method, this method deposit problem both ways：Problem one,
Noise gate be difficult to rationally determine, easily thus cause noise suppressed unobvious or useful signal missing inspection；Problem two, works as difference
Extension unit receives different districts homogenous frequency signal and when power is more than thresholding, and signal between extension unit can be caused to be disturbed after merging
Seriously.Therefore, this method can not ensure to intercept success rate, and the adjacent area for not being suitable for new room subsystem is intercepted.
Method three：Lower receiver gain method, this method is by reducing the absolute power of noise, but SNR (Signal
To Noise Ratio signal-to-noise ratio) can not improve, can not finally bring link performance to improve, this method more often, meeting
The spuious of part active device is inhibited since link gain is reduced, ultimately resulting in link noise somewhat improves, but effect is not
Substantially.Meanwhile this method is easy to cause receiving sensitivity decline.Therefore, this method can not ensure to intercept success rate, not be suitable for
Intercept the adjacent area of new room subsystem.
In conclusion the method for intercepting adjacent area for room subsystem in currently available technology, or it can not effectively solve to detect
Different extension unit noises and/or interference are superimposed and cause to intercept low success rate of problem during listening, or during intercepting
It is time-consuming long.
The content of the invention
A kind of method and apparatus for intercepting adjacent area provided in an embodiment of the present invention, to solve pin existing in the prior art
The method that adjacent area is intercepted to room subsystem, otherwise it can not effectively solve different extension unit noises and/or interference during intercepting
It is superimposed and causes to intercept low success rate of problem, otherwise the problem of long is taken during intercepting.
A kind of method for intercepting adjacent area provided in an embodiment of the present invention, this method include：
Baseband processing unit by extension unit be divided into it is N number of intercept group, N is positive integer；
Group is intercepted for one, and the baseband processing unit intercepts each extension unit in group individually every according to
The quality of reception on a frequency point to be intercepted, one extension unit of selection in group is intercepted from described；
The baseband processing unit opens the extension unit of selection, and intercepts described in closing and remaining in group zoom out list
Member, by the extension unit of the unlatching on frequency point to be intercepted received signal, determine the cell information of adjacent area.
A kind of equipment for intercepting adjacent area provided in an embodiment of the present invention, the equipment include：
Grouping module, for by extension unit be divided into it is N number of intercept group, N is positive integer；
Selecting module, for intercepting group for one, according to each extension unit intercepted in group individually each
The quality of reception on frequency point to be intercepted, one extension unit of selection in group is intercepted from described；
Determining module, for opening the extension unit of selection, and intercepts remaining extension unit in group described in closing,
By the extension unit of the unlatching on frequency point to be intercepted received signal, determine the cell information of adjacent area.
During carrying out intercepting adjacent area for room subsystem, since the present invention can be selected by each intercept in group
Extension unit determine the cell information of adjacent area, thus it is possible to prevente effectively from different extension unit broadcast channels noise and/
Or the influence of interference superposition, effectively improve adjacent area and intercept success rate；Simultaneously as the present invention determines neighbour based on group is each intercepted
The cell information in area, effectively reduce swept in non-broadcasting frequency point sky it is time-consuming, thus, extension unit is one by one more in the prior art
Traversal, intercepts time-consuming substantially reduce.
Brief description of the drawings
Fig. 1 is the flow diagram of the method provided in an embodiment of the present invention for intercepting adjacent area；
Fig. 2 is the room subsystem network topology schematic diagram that adjacent area method is intercepted in application provided in an embodiment of the present invention；
Fig. 3 is the structure diagram of the equipment provided in an embodiment of the present invention for intercepting adjacent area.
Embodiment
The embodiment of the present invention provides a kind of method for intercepting adjacent area, and this method includes：Baseband processing unit is by extension unit
Be divided into it is N number of intercept group, N is positive integer；Group is intercepted for one, and baseband processing unit each zooms out list according to intercept in group
First individually quality of reception on each frequency point to be intercepted, an extension unit is selected from intercepting in group；Baseband processing unit is opened
The extension unit of selection is opened, and closes and intercepts remaining extension unit in group, by the extension unit of unlatching in frequency point to be intercepted
Upper received signal, determines the cell information of adjacent area.During carrying out intercepting adjacent area for room subsystem, due to the present invention
It can intercept the extension unit selected in group by each and determine the cell information of adjacent area, thus it is possible to prevente effectively from different draw
The influence of noise and/or interference superposition on remote cell broadcast channel, effectively improves adjacent area and intercepts success rate；Simultaneously as this hair
It is bright to intercept group based on each and determine the cell information of adjacent area, effectively reduce swept in non-broadcasting frequency point sky it is time-consuming, thus,
Extension unit traversal one by one more in the prior art, intercepts time-consuming substantially reducing.
The embodiment of the present invention is described in further detail with reference to Figure of description.
As shown in Figure 1, the method provided in an embodiment of the present invention for intercepting adjacent area includes：
Step 101, baseband processing unit by extension unit be divided into it is N number of intercept group, N is positive integer；
Step 102, group is intercepted for one, baseband processing unit is according to each extension unit intercepted in group individually every
The quality of reception on a frequency point to be intercepted, an extension unit is selected from intercepting in group；
Step 103, baseband processing unit opens the extension unit of selection, and closes and intercept remaining extension unit in group,
By the extension unit of unlatching on frequency point to be intercepted received signal, determine the cell information of adjacent area.
In implementation, group is intercepted for one, baseband processing unit carries out intercepting for adjacent area on each frequency point to be intercepted, tool
The process of body is, baseband processing unit is according to the sum of extension unit, and the position of each extension unit to be divided for intercepting group
The various information such as confidence breath, all extension units to be divided for intercepting group are divided into and N number of intercept group；N number of based on division detects
Listen in group it is each intercept group, baseband processing unit is intercepted group and is handled for each successively, and group is intercepted for one of them,
Baseband processing unit intercepts each extension unit in group individually quality of reception on each frequency point to be intercepted according to this, from detecing
Listen one extension unit of selection in group；Baseband processing unit carries out signal based on the extension unit chosen on current frequency point
Receive, complete based on neighboring BS information parsing (the cell letter of the i.e. definite adjacent area for needing to add for currently intercepting the current frequency point of group
Breath).
The method provided by the invention for intercepting adjacent area is not only used in the subsystem of room, while can also be applied to other
Need among carrying out the application environment that adjacent area is intercepted, for convenience of explanation, the present invention is only intercepted with carrying out adjacent area in the subsystem of room
Exemplified by illustrate.Such as Fig. 2, the present invention enumerates a detailed example, by the method application provided by the invention for intercepting adjacent area
Into room subsystem, i.e., the room subsystem network topology schematic diagram of adjacent area method is intercepted in application provided in an embodiment of the present invention；Fig. 2
Shown, base station includes baseband processing unit, expanding element 0 and 16 extension units.The present invention is detectd by taking Fig. 2 as an example below
The method of adjacent area is listened to illustrate.
In implementation, for by extension unit be divided into it is N number of intercept group, as shown in Fig. 2, extension unit 000,001,002,
003rd, 004,005,006,007 be connected by port 0 via expanding element 0 with baseband processing unit, extension unit 010,011,
012nd, 013,014,015,016,017 it is connected by port 1 via expanding element 0 with baseband processing unit, above port 0
Equipment one in succession one, be physically adjacent each other therefore, if it is at this moment each intercept group and include four zoom out list
Extension unit 000,001,002,003 above port 0, then can be divided into one group, 004,005,006,007 is divided into by member
Another set, this ensures that physically adjacent extension unit is divided into one group, can lift demodulation efficiency.Meanwhile
It is one group of influence that also can effectively reduce co-channel interference by physically adjacent dividing elements.
Successively based on each group is intercepted, the adjacent area parsing for intercept each frequency point in frequency range (determines baseband processing unit
The cell information of adjacent area), detailed process is：Baseband processing unit first based on group 0 is intercepted, intercept under group 0, intercept in frequency range by completion
Need intercepted frequency point adjacent area parsing, be then switched to again intercept group 1, completion intercept group 1 under, intercept all frequencies in frequency range
The adjacent area parsing of point, analogizes in this way, and until completing all parsings for intercepting group, described intercept needs to be intercepted frequency point in frequency range,
It can be all frequency points in whole frequency range or a part of frequency point therein, can specifically be completed according to configuration.
The baseband processing unit included in base station by extension unit all under the base station be divided into it is N number of intercept group, and treat
The extension unit that group is intercepted in division can be extension units all under base station；Can also be that list is zoomed out on all borders under base station
Member, border extension unit therein refer to that the coverage of the extension unit is adjacent there are physics with the coverage of other cells
Relation.
Successively based on each group is intercepted, the adjacent area parsing for intercept each frequency point in frequency range (determines baseband processing unit
The cell information of adjacent area), wherein, the information that adjacent area parses is to be used to baseband processing unit to add the required neighbour in adjacent area
The cell information in area, meanwhile, the cell information of adjacent area can include the much information such as cell ID ID, cell physics frequency point number.
In implementation, the present invention is primarily directed to an explanation for intercepting group and once intercepting the situation of an adjacent area and carrying out, according to different
Application environment, it is also possible to which one is intercepted group while can intercept multiple adjacent areas, but actual operation principle is similar, says for convenience
Bright, the present invention is only intercepted in case of group intercepts an adjacent area by one to be illustrated.
In implementation, baseband processing unit can be switched to the pattern of intercepting completely, and behaviour is intercepted in group development of intercepting based on division
Make, stop normal business service during intercepting；Alternatively, baseband processing unit is based on being currently executing intercepting for the process of intercepting
Group carries out intercepting operation, has other extension units of autonomous channel to phase based on currently intercepting beyond group and with baseband processing unit
The area of coverage answered carries out business service.
As shown in Fig. 2, extension unit abc, wherein a represent the call number of expanding element, b represents the port on expanding element
Number, c represents the numbering of extension unit above the slogan of same expanding element the same end.In force, using baseband processing unit, expansion
Open up unit 0, extension unit 000, extension unit 001, extension unit 002, extension unit 003, extension unit 004, extension unit
005th, extension unit 006, extension unit 007, extension unit 010, extension unit 011, extension unit 012, extension unit 013,
Covering is completed in extension unit 014, extension unit 015, extension unit 016, the collaboration of extension unit 017, wherein above-mentioned 16 are zoomed out
Unit carries same cell signal, carries out depth covering.
The method provided in an embodiment of the present invention for intercepting adjacent area, first have to by base station it is all it is to be divided intercept group zoom out
Dividing elements intercept group into N number of, then intercept a group execution by each again and intercept process.Be discussed in detail first below how
Group is intercepted in division.
It is preferred that baseband processing unit by all extension units to be divided for intercepting group be divided into it is N number of intercept group, including：
Baseband processing unit is according to the sum of extension unit, and the position letter of each extension unit to be divided for intercepting group
Breath, all extension units to be divided for intercepting group are divided into and N number of intercept group.
That is, each extension unit is when being connected to baseband processing unit, just by each extension unit respectively
Reason positional information feeds back to baseband processing unit, so that baseband processing unit by extension unit when being divided into N number of intercept group, energy
It is enough that the adjacent extension unit in geographical location is divided into same intercept in group；Meanwhile baseband processing unit intercepts group in division
When, it is also desirable to consider the information such as the sum of extension unit.In implementation, according to the needs of MPS process, the position of extension unit can
With fixation, can also put at random.
According to the numbering of extension unit in Fig. 2,8 extension units on port 0 are divided into and intercept group 0, by port 1
8 extension units be divided into and intercept group 1, it is assumed that it is 5 to need the frequency point number intercepted, is followed successively by absolute wireless channel numbering
ARFCN0, ARFCN1, ARFCN2, ARFCN3, ARFCN4, and there are CELL0, two cells of CELL1, other frequency points on ARFCN0
Upper that any cell is not present, CELL0, CELL1 cover the south orientation and north orientation of building positioned at distributed system respectively, wherein intercepting
The extension unit of group 0 is laid on the south orientation of building, thus while intercepting receive CELL0 signal it is stronger, and due to intercepting group 1
Extension unit is laid on the north orientation of building, thus while intercepting receive CELL1 signal it is stronger.
When division is intercepted group, the value of N can be calculated by following equation, but be not limited to provided by the invention
Computational methods, as long as the method that can be divided to extension unit may be used to obtain the value of N.Lower mask body introduction
A kind of calculating process for dividing the numerical value of N for intercepting group provided in an embodiment of the present invention.
It is preferred that baseband processing unit determines the value of N according to following manner：
Each value for intercepting the extension unit number R that group includes meets following equation：
R=floor (10^ ((Y-X)/10))
The value of the number N for intercepting group of division meets following equation：
N=Ceil (M/R)
Wherein, Y is the demodulation Signal to Noise Ratio (SNR) thresholding of Cell Broadcast Channel；X is the demodulation SNR thresholdings of cell synchronization channels；
M is the sum of extension unit；^ is power operation；Floor () is downward rounding；Ceil () is to round up.
In implementation, it is assumed that new room graded combination and extension unit sum be M, the demodulation of cell synchronization channels SNR
X is limited to, the demodulation SNR thresholdings of Cell Broadcast Channel are Y, then the extension unit number R values that each intercepting group includes are floor
(10^ ((Y-X)/10)), the value of N is Ceil (M/R), and wherein floor () represents downward rounding, and Ceil () represents to take upwards
It is whole, for example, the value that the value of floor (3.3) is 3, Ceil (3.3) is 4.
As illustrated in fig. 2, it is assumed that finally directly baseband processing unit will be given after data investigation by 16 extension units, because
This, the extension unit sum M value of new room graded combination simultaneously is 16, if the currently demodulation of covering system cell synchronizing channel
SNR thresholding X values are -2db, and the thresholding Y values of broadcast channel demodulation SNR are 7.1db, then by conversion, it is known that each
The extension unit number R values that intercepting group includes are floor (10^ ((7.1- (- 2))/10)), are 8, what is obtained intercepts a group number
Amount N is Ceil (16/8), is 2.
In implementation, group is each intercepted according to intercepting in group for division, baseband processing unit can individually calculate wherein each
The quality of reception of extension unit, lower mask body are introduced.
It is preferred that baseband processing unit according to each extension unit intercepted in group individually on each frequency point to be intercepted
The quality of reception, including：
Baseband processing unit will be intercepted reception signal of all extension units on each frequency point to be intercepted in group and be closed
And；
Base station further includes multiple expanding elements in addition to including baseband processing unit and extension unit, be mainly used for by
The data cascade superposition of the extension unit of each group is merged into expanding element, so that expanding element can be by the reception of multiple extension units
Data be transmitted to baseband processing unit.
As shown in Fig. 2, expanding element 0 has two ports, i.e. port 0 and port 1；Eight extension units on port 0 are adopted
Expanding element 0 is converged to by port 0 with the mode of cascade superposition；Eight extension units on port 1 are using cascade superposition
Mode converges to expanding element 0 by port 1, and then expanding element 0 is given again after the data investigation on port 0 and port 1
Baseband processing unit.
Group is intercepted for each, the reception signal after merging according to all extension units in the group, completes the synchronization of adjacent area
Channel Detection, lower mask body are introduced.
It is preferred that baseband processing unit is detected according to the synchronizing channel for receiving signal completion adjacent area after merging, and according to
The result of detection completes baseband processing unit and the timing alignment of adjacent area；
That is, intercepting group for each, baseband processing unit is according to connecing after all extension unit merging in the group
The collection of letters number, carries out the cell synchronization channels detection of adjacent area, if detecting the cell synchronization channels of CELL0, Base-Band Processing at this time
Unit carries out the timing alignment of this baseband processing unit using the testing result of synchronizing channel so that this baseband processing unit with
CELL0 frame timings boundary alignment (completes baseband processing unit and the timing alignment of adjacent area) according to the result of detection, so as to base
Tape handling unit can intercept the signal of CELL0.
As shown in Fig. 2, baseband processing unit first based on intercept group 0, on frequency point ARFCN0, based on extension unit 000,
Extension unit 001, extension unit 002, extension unit 003, extension unit 004, extension unit 005, extension unit 006, zoom out
The signal that the cascade superposition of unit 007 is aggregated into port 0 carries out cell synchronization channels detection, detects that the cell of CELL0 is same at this time
Channel is walked, then, baseband processing unit carries out the timing alignment of baseband processing unit using the testing result of synchronizing channel so that
The baseband processing unit and CELL0 frame timing boundary alignments.
In implementation, when all extension units for intercepting group 0 carry out cell synchronization channels detection, intercept all in group 1
Extension unit, i.e. extension unit 010, extension unit 011, extension unit 012, extension unit 013, extension unit 014, zoom out list
Member 015, extension unit 016,017 Close All of extension unit, until baseband processing unit completion is being waited to intercept based on group 0 is intercepted
After the adjacent area for needing to be intercepted frequency point parsing in frequency range, it is switched to and intercepts the neighbour that group 1 carries out all frequency points in frequency range to be intercepted
When area parses, all extension units intercepted in group 1 are opened, and close all extension units intercepted in group 0.
After baseband processing unit completes the timing alignment with adjacent area, it is possible to which it is independent that each extension unit in group is intercepted in estimation
Quality of reception during work, lower mask body are introduced.
It is preferred that for each extension unit intercepted in group, baseband processing unit works independently each extension unit
When, at least one time slot of the adjacent area of reception is demodulated, and each list is zoomed out according to what demodulation result determined to intercept in group
Quality of reception when member works independently.
In implementation, baseband processing unit opens current independent one intercepted in group one by one on current frequency point to be intercepted
Extension unit carries out the time slot demodulation of adjacent area, and reception matter when estimating that the extension unit works independently according to demodulation result
Amount.
It is preferred that when baseband processing unit works independently according to each extension unit that demodulation result determines to intercept in group
The quality of reception, including：
When working independently for an extension unit, if the time slot of the adjacent area of extension unit capture is including multiple；Base
Multiple time slots of the adjacent area of capture are demodulated by tape handling unit, obtain corresponding mass value；
Quality of reception when baseband processing unit selection best quality value works independently as extension unit；Or, will solution
When adjusting obtained all mass values to be weighted average treatment, and the mass value after processing being worked independently as extension unit
The quality of reception.
That is, after baseband processing unit opens the current one of extension unit for intercepting group, receive intercept at this time
The link of signal only has the extension unit, and then, baseband processing unit is based on the extension unit and captures at least one time slot
It is demodulated, obtains corresponding mass value, estimates the quality of reception of the extension unit.The method of the estimation quality of reception,
Following two methods can specifically be included：Based on the mass value of at least one time slot demodulation, best quality value is selected to make
For this extension unit quality of reception, or the mass value based on the demodulation of at least one time slot, it is weighted averagely, with weighting
Mass value after average is as this extension unit quality of reception.
In implementation, baseband processing unit unlatching intercepts extension unit 000 in group 0 and (intercepts other extension units in group 0 at this time
Close, intercept the extension unit also contract fully of group 1), carry out the reception of time slot and estimate that its quality of reception obtains estimated value
SNR0, is then then turned on intercepting extension unit 001 in group 0 and (intercepts other extension units in group 0 at this time to close, intercept the drawing of group 1
Remote unit also contract fully), carry out the reception of time slot and estimate that its quality of reception obtains estimated value SNR1, and so on, estimate
Calculating SNR2 ..., SNR7, then, baseband processing unit select optimal value from SNR0 ..., SNR7, if optimal value
It is SNR7, it is determined that (i.e. baseband processing unit selection is best for the corresponding extension units 007 of SNR7 for optimum reception extension unit
Quality of reception when mass value works independently as extension unit), extension unit in group 0 is intercepted in then baseband processing unit selection
007 opens and (intercepts other extension units in organizing 0 at this time to close, other intercept the extension unit organized also contract fully), then, base band
Processing unit parses the broadcast message of CELL0, and one piece is not superimposed upon with intercepting the signal of group 1 due to intercepting group 0, because
The system message of this CELL0 can be with successfully resolved.
In implementation, during the quality of reception when each extension unit works independently during group 0 is intercepted in estimation, if intercepting group 0
Be multiple to the adjacent area number that should be able to listen to, then baseband processing unit needs to select multiple extension units from intercepting in group 0,
And when intercepting group 0 and carrying out adjacent area parsing by multiple extension units of selection, baseband processing unit will open the more of selection
A extension unit, closes to intercept and organizes remaining extension unit (other intercept the extension unit organized also contract fully at this time) in 0, and
Afterwards, baseband processing unit parses the broadcast message of multiple adjacent areas (cell information for determining adjacent area).
In implementation, baseband processing unit, can be to the cell of definite adjacent area after the cell information of adjacent area is determined
Information, which merges, to collect, and lower mask body is introduced.
It is preferred that after baseband processing unit determines the cell information of adjacent area, further include：
N number of intercept in group is each intercepted the cell information of the definite adjacent area of group and merged by baseband processing unit, and root
The cell information for all adjacent areas that adjacent area obtains is intercepted according to the result output of merging.
That is, baseband processing unit is intercepted after group determines the cell information of adjacent area each, intercepted each
The cell information of the definite all adjacent areas of group merges operation, wherein merge the expanding element that is mainly included by base station Lai
Complete, after the cell information for completing adjacent area merges, baseband processing unit is intercepted adjacent area according to the output of the result of merging and obtained
All adjacent areas cell information.
It is preferred that N number of intercept in group is each intercepted the cell information of the definite adjacent area of group and is closed by baseband processing unit
And including：
If N number of intercept in the cell information that the definite adjacent area of group is each intercepted in group, there are the small of multiple identical adjacent areas
Area's information, baseband processing unit only retain the cell information of one of adjacent area, reject the cell information of unnecessary adjacent area.
In implementation, baseband processing unit intercepts each the result that group intercepts and collects merging, exports adjacent area intercepted result, tool
Body way is, baseband processing unit intercepts the adjacent area that group listens to and carry out collecting merging each, for there are multigroup identical number
According to neighboring BS information, only retain one group, unnecessary data deleted, then export intercepting without the cell information for repeating adjacent area
As a result.
For example, complete to intercept group 0 on frequency point ARFCN0 intercept the process of adjacent area after, baseband processing unit is again successively
Completion is intercepted 0 adjacent area on frequency point ARFCN1, ARFCN2, ARFCN3, ARFCN4 of group and is intercepted, and then baseband processing unit switches
To group 1 is intercepted, intercepting for ARFCN0, ARFCN1, ARFCN2, ARFCN3, ARFCN4 is sequentially completed, and then complete Base-Band Processing list
Member all adjacent areas parsing, similarly, based on intercept group 1 progress an adjacent area intercept when, due to intercept group 0 with intercept group 1 a signal
One piece is not superimposed upon, therefore the system message of CELL1 can be with successfully resolved.
In implementation, if the upstream bandwidth between expanding element and baseband processing unit is enough, it may be considered that and extension is single
The cascade stack result of the port 0 of member, the cascade stack result of the port 1 of expanding element, gives base by different passages respectively
Tape handling unit.When the port 0 using expanding element, which carries out adjacent area, intercepts, the port 1 of expanding element carries out normal business
Service, when being intercepted using the port 1 of expanding element, the port 0 of expanding element carries out normal business service, with
The area surface that process causes business service to be interrupted, further lifting scheme value are intercepted in this reduction.
In conclusion using the method provided by the invention for intercepting adjacent area, group is intercepted by division, is effectively overcome
The co-channel interference of CELL0, CELL1 on ARFCN0, has finally completely parsed CELL0, the cell parameter of CELL1, and then
It can complete the subsequent process of SON.On the contrary, if scheme is turned off using the time-frequency proposed in the prior art, due to intercepting in group 0
At least one extension unit receive the signal of CELL0 on frequency point ARFCN0, and intercept group 1 at least one extension unit receive
The signal of CELL1 on to frequency point ARFCN0, and their signal strength causes 16 drawings quite and all more than time-frequency shut-off thresholding
After remote unit superposition, produce serious co-channel interference and can not meet the demodulation threshold of broadcast channel, final CELL0, CELL1's
Cell parameter all solutions do not come out, and SON effects are bad.
Compared with extension unit one by one traversal, the present invention is due to demodulation of the cell synchronization channels compared with Cell Broadcast Channel
Gain is scaled different extension unit noise superposition losses of equal value, is carried out using the signal after all extension units of group merge is intercepted
Although the demodulation of cell synchronization channels causes penalty, but the solution of the cell synchronization channels and Cell Broadcast Channel after deteriorating
Tonality unanimously, can not influence the power that is parsed into of adjacent area, and during Cell Broadcast Channel demodulation, due to most preferably being zoomed out by what is selected
Unit is received, and is influenced by the superposition of different extension unit noises, thus adjacent area intercept success rate and extension unit by
One traversal is suitable, as time-consuming aspect is intercepted, since the present invention is based on a group progress cell synchronization channels parsing is intercepted, effectively
Reduction non-broadcasting frequency point sky is swept time-consuming, meanwhile, selecting for optimal extension unit, also can effectively reduce the consumption of demodulation broadcast channel
When, therefore, the present invention compared with extension unit traversal one by one, intercept it is time-consuming substantially reducing, effectively reduce and intercept process to normal industry
The influence degree of business.
Meanwhile the method provided by the invention for intercepting adjacent area, synchronizing channel sensitivity and antijamming capability can be efficiently used
Cell synchronization channels, are scaled different extension unit noise superposition losses of equal value by the characteristics of strong compared with the demodulation gain of broadcast channel
Group is intercepted to divide, synchronizing channel detection and timing tune are completed in group under conditions of all extension unit Signal averagings intercepting
It is whole, then intercepted time-consuming come quick lock in optimum reception extension unit, effectively reduction using time slot quality estimation；Meanwhile
Adjacent area parsing is finished receiving by carrying out broadcast channel based on the optimal extension unit after selection, effectively avoids different extension units
Success rate is intercepted in the influence of noise and/or interference superposition on broadcast channel, effectively lifting, and the final adjacent area that effectively reduces is intercepted to industry
The influence of business service, and lift adjacent area and intercept success rate, the SON feasibilities for new room subsystem provide advantageous aspects.
Based on same inventive concept, a kind of equipment for intercepting adjacent area is additionally provided in the embodiment of the present invention, due to detecing for Fig. 3
The corresponding method of equipment for listening adjacent area is a kind of method for intercepting adjacent area of the embodiment of the present invention, therefore equipment of the embodiment of the present invention
Implementation may refer to the implementation of method, and overlaps will not be repeated.
As shown in figure 3, a kind of equipment for intercepting adjacent area of the embodiment of the present invention includes：Grouping module 301, selecting module 302,
Determining module 303 and merging module 304；
Grouping module 301, for by extension unit be divided into it is N number of intercept group, N is positive integer；
Selecting module 302, for intercepting group for one, is individually treated according to each extension unit intercepted in group each
The quality of reception on frequency point is intercepted, an extension unit is selected in group from intercepting；
Determining module 303, for opening the extension unit of selection, and closes and intercepts remaining extension unit in group, pass through
The extension unit of unlatching received signal on frequency point to be intercepted, determines the cell information of adjacent area.
It is preferred that grouping module 301 is specifically used for：
According to the sum of extension unit, and the positional information of each extension unit to be divided for intercepting group, it will be needed
The extension unit that group is intercepted in division is divided into and N number of intercepts group.
It is preferred that grouping module 301 determines the value of N according to following manner：
Each value for intercepting the extension unit number R that group includes meets following equation：
R=floor (10^ ((Y-X)/10))
The value of the number N for intercepting group of division meets following equation：
N=Ceil (M/R)
Wherein, Y is the demodulation Signal to Noise Ratio (SNR) thresholding of Cell Broadcast Channel；X is the demodulation SNR thresholdings of cell synchronization channels；
M is the sum of extension unit；^ is power operation；Floor () is downward rounding；Ceil () is to round up.
It is preferred that selecting module 302 is specifically used for：
Reception signal of all extension units on each frequency point to be intercepted in group will be intercepted to merge；After merging
The synchronizing channel detection for receiving signal and completing adjacent area, and complete according to the result of detection the timing of baseband processing unit and adjacent area
Calibration；For each extension unit intercepted in group, when each extension unit is worked independently, the adjacent area of reception it is at least one
Time slot is demodulated, quality of reception when each extension unit for determining to intercept in group according to demodulation result works independently.
It is preferred that selecting module 302 is specifically used for：
When working independently for an extension unit, if the time slot of the adjacent area of extension unit capture is including multiple；Will
Multiple time slots of the adjacent area of capture are demodulated, and obtain corresponding mass value；
Quality of reception when selection best quality value works independently as extension unit；Or, will demodulate obtain it is all
Mass value is weighted average treatment, and the quality of reception when mass value after processing is worked independently as extension unit.
It is preferred that the equipment further includes：
Merging module 304, for each intercepting the cell information of the definite adjacent area of group and merging N number of intercept in group,
And the cell information for all adjacent areas that adjacent area obtains is intercepted according to the output of the result of merging.
It is preferred that merging module 304 is specifically used for：
If N number of intercept in the cell information that the definite adjacent area of group is each intercepted in group, there are the small of multiple identical adjacent areas
Area's information, only retains the cell information of one of adjacent area, rejects the cell information of unnecessary adjacent area.
During carrying out intercepting adjacent area for room subsystem, since the present invention can be selected by each intercept in group
Extension unit determine the cell information of adjacent area, thus it is possible to prevente effectively from different extension unit broadcast channels noise and/
Or the influence of interference superposition, effectively improve adjacent area and intercept success rate；Simultaneously as the present invention determines neighbour based on group is each intercepted
The cell information in area, effectively reduce swept in non-broadcasting frequency point sky it is time-consuming, thus, extension unit is one by one more in the prior art
Traversal, intercepts time-consuming substantially reduce.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, the present invention can use the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the present invention can use the computer for wherein including computer usable program code in one or more
The computer program production that usable storage medium is implemented on (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that it can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or square frame in journey and/or square frame and flowchart and/or the block diagram.These computer programs can be provided
The processors of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that the instruction performed by computer or the processor of other programmable data processing devices, which produces, to be used in fact
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided and is used for realization in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a square frame or multiple square frames.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make these embodiments other change and modification.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into all change and modification of the scope of the invention.
Claims (14)
- A kind of 1. method for intercepting adjacent area, it is characterised in that this method includes：Baseband processing unit by extension unit be divided into it is N number of intercept group, N is positive integer；Group is intercepted for one, each extension unit that the baseband processing unit is intercepted according in group is individually treated each The quality of reception on frequency point is intercepted, one extension unit of selection in group is intercepted from described；The baseband processing unit opens the extension unit of selection, and intercepts remaining extension unit in group described in closing, By the extension unit of the unlatching on frequency point to be intercepted received signal, determine the cell information of adjacent area.
- 2. according to the method described in claim 1, it is characterized in that, the baseband processing unit by it is all it is to be divided intercept group Extension unit be divided into it is N number of intercept group, including：The baseband processing unit is according to the sum of extension unit, and the position letter of each extension unit to be divided for intercepting group Breath, all extension units to be divided for intercepting group are divided into and N number of intercept group.
- 3. according to the method described in claim 2, it is characterized in that, the baseband processing unit determines N's according to following manner Value：Each value for intercepting the extension unit number R that group includes meets following equation：R=floor (10^ ((Y-X)/10))The value of the number N for intercepting group of the division meets following equation：N=Ceil (M/R)Wherein, Y is the demodulation Signal to Noise Ratio (SNR) thresholding of Cell Broadcast Channel；X is the demodulation SNR thresholdings of cell synchronization channels；M is The sum of the extension unit；^ is power operation；Floor () is downward rounding；Ceil () is to round up.
- 4. according to the method described in claim 1, it is characterized in that, the baseband processing unit intercepted according to it is each in group The independent quality of reception on each frequency point to be intercepted of a extension unit, including：The baseband processing unit by it is described intercept in group reception signal of all extension units on each frequency point to be intercepted into Row merges；The baseband processing unit is detected according to the synchronizing channel for receiving signal completion adjacent area after merging, and according to the knot of detection Fruit completes the baseband processing unit and the timing alignment of the adjacent area；For each extension unit intercepted in group, the baseband processing unit works independently each extension unit When, at least one time slot of the adjacent area of reception is demodulated, and is intercepted according to determining demodulation result each in group Quality of reception when a extension unit works independently.
- 5. according to the method described in claim 4, it is characterized in that, the baseband processing unit is according to determining demodulation result Quality of reception when each extension unit in group works independently is intercepted, including：When working independently for an extension unit, if the time slot of the adjacent area of extension unit capture is including more It is a；Multiple time slots of the adjacent area of capture are demodulated by the baseband processing unit, obtain corresponding mass value；The quality of reception when baseband processing unit selection best quality value works independently as the extension unit；Or, All mass values that demodulation obtains are weighted average treatment, and the mass value after processing is independent as the extension unit Quality of reception during work.
- 6. according to the method described in claim 1, it is characterized in that, the baseband processing unit determine adjacent area cell information it Afterwards, further include：N number of intercept in group is each intercepted the cell information of the definite adjacent area of group and is closed by the baseband processing unit And and the cell informations of all adjacent areas that adjacent area obtains is intercepted according to the output of the result of merging.
- 7. according to the method described in claim 6, it is characterized in that, the baseband processing unit by it is described it is N number of intercept in group it is every A cell information for intercepting the definite adjacent area of group merges, including：If N number of intercept each is intercepted in group in group cell information of the definite adjacent area, there are multiple identical adjacent areas Cell information, the baseband processing unit only retains the cell information of one of adjacent area, rejects the cell of unnecessary adjacent area Information.
- 8. a kind of equipment for intercepting adjacent area, it is characterised in that the equipment includes：Grouping module, for by extension unit be divided into it is N number of intercept group, N is positive integer；Selecting module, for intercepting group for one, individually waits to detect according to each extension unit intercepted in group each The quality of reception on frequency point is listened, one extension unit of selection in group is intercepted from described；Determining module, for opening the extension unit of selection, and intercepts remaining extension unit in group described in closing, passes through The extension unit of unlatching received signal on frequency point to be intercepted, determines the cell information of adjacent area.
- 9. equipment according to claim 8, it is characterised in that the grouping module is specifically used for：According to the sum of extension unit, and the positional information of each extension unit to be divided for intercepting group, will be all to be divided The extension unit for intercepting group is divided into and N number of intercepts group.
- 10. equipment according to claim 9, it is characterised in that the grouping module determines taking for N according to following manner Value：Each value for intercepting the extension unit number R that group includes meets following equation：R=floor (10^ ((Y-X)/10))The value of the number N for intercepting group of the division meets following equation：N=Ceil (M/R)Wherein, Y is the demodulation Signal to Noise Ratio (SNR) thresholding of Cell Broadcast Channel；X is the demodulation SNR thresholdings of cell synchronization channels；M is The sum of the extension unit；^ is power operation；Floor () is downward rounding；Ceil () is to round up.
- 11. equipment according to claim 8, it is characterised in that the selecting module is specifically used for：Intercept reception signal of all extension units on each frequency point to be intercepted in group by described and merge；After merging The signal that receives complete the synchronizing channel detection of adjacent area, and baseband processing unit and the adjacent area are completed according to the result of detection Timing alignment；For each extension unit intercepted in group, when each extension unit is worked independently, the institute of reception At least one time slot for stating adjacent area is demodulated, and each extension unit list in group is intercepted according to determining demodulation result Solely quality of reception during work.
- 12. equipment according to claim 11, it is characterised in that the selecting module is specifically used for：When working independently for an extension unit, if the time slot of the adjacent area of extension unit capture is including more It is a；Multiple time slots of the adjacent area of capture are demodulated, obtain corresponding mass value；Quality of reception when selection best quality value works independently as the extension unit；Or, will demodulate obtain it is all Mass value is weighted average treatment, and the reception matter when mass value after processing is worked independently as the extension unit Amount.
- 13. equipment according to claim 8, it is characterised in that the equipment further includes：Merging module, for each intercepting the cell information of the definite adjacent area of group and merging N number of intercept in group, And the cell information for all adjacent areas that adjacent area obtains is intercepted according to the output of the result of merging.
- 14. equipment according to claim 13, it is characterised in that the merging module is specifically used for：If N number of intercept each is intercepted in group in group cell information of the definite adjacent area, there are multiple identical adjacent areas Cell information, only retain the cell information of one of adjacent area, reject the cell information of unnecessary adjacent area.
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| CN105682195B (en) * | 2015-12-31 | 2019-06-21 | 中国科学技术大学 | A kind of energy-efficient Poewr control method of wireless network based on C-RAN framework |
| CN106685508B (en) * | 2017-02-10 | 2020-06-23 | 京信通信系统（中国）有限公司 | Data transmission method and device |
| CN110312321B (en) * | 2019-05-10 | 2020-12-11 | 展讯通信（上海）有限公司 | Method, device and terminal for determining random access resident frequency point |
| CN110769475B (en) * | 2019-10-22 | 2021-08-24 | 京信网络系统股份有限公司 | Neighbor cell switching method and device, computer equipment and storage medium |
| CN111212463B (en) * | 2020-01-10 | 2022-07-12 | 京信网络系统股份有限公司 | Energy saving method and device, computer equipment and storage medium |
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| CN102388645A (en) * | 2011-09-19 | 2012-03-21 | 华为技术有限公司 | Resource distribution method and device of multiple remote radio unit common community |
| CN104113854A (en) * | 2014-07-08 | 2014-10-22 | 京信通信系统（中国）有限公司 | Method and device for intercepting subframes including downlink common channels |
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| CN101247576A (en) * | 2006-03-28 | 2008-08-20 | 华为技术有限公司 | Indoor distribution system and networking method thereof |
| CN102388645A (en) * | 2011-09-19 | 2012-03-21 | 华为技术有限公司 | Resource distribution method and device of multiple remote radio unit common community |
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