CN103701729B - The method and device of problem adjacent area is determined during with frequency joint inspection - Google Patents
The method and device of problem adjacent area is determined during with frequency joint inspection Download PDFInfo
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- CN103701729B CN103701729B CN201310738123.0A CN201310738123A CN103701729B CN 103701729 B CN103701729 B CN 103701729B CN 201310738123 A CN201310738123 A CN 201310738123A CN 103701729 B CN103701729 B CN 103701729B
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Abstract
A kind of method that the present invention determines problem adjacent area when providing same frequency joint inspection, including: obtain the original estimation result of current area, determine the original interference value of current area according to the original estimation result of current area；Determine the channel estimation results after the interference elimination for the first time of current area, and disturb according to current area the channel estimation results after eliminating to determine that current area disturbs the interference value after eliminating for the first time for the first time；Determine whether the adjacent area of current area has problems adjacent area according to original interference value and the interference value after for the first time interference eliminates；In the case of existing problems adjacent area, the arbitrary adjacent area to current area and current area carries out disturbing elimination for the second time, determine the channel estimation results after the second time interference elimination of current area and disturb the channel after eliminating to estimate the interference value after determining current area interference elimination for the second time according to current area second time, disturbing the interference value after eliminating to determine whether corresponding adjacent area is problem adjacent area according to original interference value and second time.
Description
Technical field
The present invention relates to the communications field, during a kind of same frequency joint inspection, determine the method and device of problem adjacent area.
Background technology
For the TDSCDMA system of CDMA based on time division synchronous, use and can be effective against with frequency algorithm
The interference of homogeneous-frequency adjacent-domain user, improves systematic function.It is to utilize multi-cell channel to estimate interference elimination with frequency algorithm, effectively removes
A kind of means of the interference that this cell channel is estimated by co-frequency neighbor cell signal.But in actual outfield is applied, it is possible to because of
The relatively strong or artificial origin configuring adjacent cell mistake for configuring adjacent cell correlation, and occur that interference is disturbed after eliminating and go up not down
Phenomenon.Concrete reason is as follows: when homogeneous-frequency adjacent-domain configuration error or adjacent area correlation are relatively strong, with frequency joint inspection technology by mismatch
Adjacent area table when including joint inspection in, can miss and include these adjacent area code words in joint inspection, it is possible to channels of neighboring areas can be made to estimate abnormal, lead
Causing, when doing adjacent area interference and eliminating, not interfere with adjacent area window and process as interference, the channel of Shi Zhe community is estimated to dislike on the contrary
Change, make demodulation performance decline.
Summary of the invention
(1) to solve the technical problem that
A kind of method determining problem adjacent area when it is an object of the present invention to provide same frequency joint inspection, thus realize problem adjacent
The determination in district, to solve to cause the channel of this community (i.e. current area) to estimate to deteriorate, demodulate due to the appearance of problem adjacent area
The problem of hydraulic performance decline.
(2) technical scheme
For solving above-mentioned technical problem, a kind of method that the present invention determines problem adjacent area when providing same frequency joint inspection, including:
Obtain the original estimation result of current area, determine according to the original estimation result of described current area
The original interference value of described current area；
Determine the channel estimation results after the interference elimination for the first time of described current area, and according to described current area first
Channel estimation results after secondary interference eliminates determines that described current area disturbs the interference value after eliminating for the first time；
Interference value after eliminating according to described original interference value and first time interference determines that the adjacent area of described current area is
No existing problems adjacent area；
In the case of existing problems adjacent area, the arbitrary adjacent area to described current area and current area carries out the most dry
Disturb elimination, determine the channel estimation results after the second time interference elimination of described current area and according to current area second time interference
Channel after elimination estimates the interference value after determining current area second time interference elimination, according to described original interference value and second
Interference value after secondary interference eliminates determines whether corresponding adjacent area is problem adjacent area.
Optionally, described determine described current area for the first time interference eliminate after channel estimation results include: according to institute
State the original estimation result of all communities in multiple community to carry out all communities disturbing elimination for the first time, obtain described institute
There is the channel estimation results after the interference elimination for the first time of community, and disturb from described all communities the channel after eliminating to estimate for the first time
Meter result obtains the channel estimation results after the interference elimination for the first time of described current area.
Optionally, described determine described the least according to described original interference value and the interference value after for the first time interference eliminates
The adjacent area that whether has problems, the adjacent area in district includes:
Judge that whether described original interference value is more than the interference value after interference eliminates for the first time；
The most then judge the adjacent area of described current area there is no problem adjacent area；
If it is not, then judge the existing problems adjacent area, adjacent area of described current area.
Optionally, described arbitrary adjacent area to described current area and current area carries out disturbing elimination to include for the second time:
An adjacent area is chosen as adjacent area to be measured from all adjacent areas of described current area；
Original estimation result according to described current area and adjacent area to be measured is to described current area and adjacent area to be measured
Carry out second time and disturb elimination, obtain the channel estimation results after described current area and adjacent area to be measured second time interference elimination；
From described all adjacent areas, choose another adjacent area as adjacent area to be measured, repeat above-mentioned second time interference cancellation process,
Until each adjacent area in all adjacent areas has all carried out second time interference and has eliminated with current area.
Optionally, described according to described original interference value and second time interference eliminate after interference value determine that corresponding adjacent area is
No include for problem adjacent area:
Judge that whether described original interference value is more than the interference value after second time interference elimination；
The most then judge that corresponding adjacent area is not as problem adjacent area；
If it is not, then judge that corresponding adjacent area is as problem adjacent area.
Optionally, determine during described synchronization joint inspection that the method for problem adjacent area also includes: be sent to the problem adjacent area determined
Cell management station.
For solving above-mentioned technical problem, the present invention also provides for determining during a kind of same frequency joint inspection the device of problem adjacent area, including:
Original interference value determines unit, for obtaining the original estimation result of current area, according to described the least
The original estimation result in district determines the original interference value of described current area；
First interference value determines unit, for determining that the channel after the interference elimination for the first time of described current area estimates knot
Really, and according to the channel estimation results after the interference elimination for the first time of described current area the interference for the first time of described current area is determined
Interference value after elimination；
Problem adjacent area judging unit, for determining according to the interference value after described original interference value and interference elimination for the first time
Whether the adjacent area of described current area has problems adjacent area；
Problem adjacent area determines unit, in the case of existing problems adjacent area to described current area and current area
Arbitrary adjacent area carries out second time and disturbs elimination, determines the channel estimation results after the second time interference elimination of described current area root
The channel after eliminating is disturbed to estimate the interference value after determining current area second time interference elimination according to current area second time, according to
Interference value after described original interference value and second time interference eliminate determines whether corresponding adjacent area is problem adjacent area.
Optionally, described first interference value determines that unit includes:
First interference eliminates subelement, for the original estimation result pair according to communities all in the plurality of community
All communities carry out disturbing elimination for the first time, obtain the channel estimation results after the interference elimination for the first time of described all communities；
First channel estimation results obtains subelement, and the channel after interference eliminates for the first time from described all communities is estimated
Meter result obtains the channel estimation results after the interference elimination for the first time of described current area.
Optionally, described problem adjacent area judging unit includes:
First judgment sub-unit, for judging that whether described original interference value is more than the interference after interference eliminates for the first time
Value；
First judges subelement, the situation of the interference value after eliminating more than first time interference at described original interference value
Under, there is no problem in the adjacent area adjacent area of described current area will be judged；
Second judges subelement, for being not more than the feelings disturbing the interference value after eliminating for the first time at described original interference value
Under condition, the existing problems adjacent area, adjacent area of described current area will be judged.
Optionally, described problem adjacent area determines that unit includes:
Choose subelement, for choosing an adjacent area from all adjacent areas of described current area as adjacent area to be measured；
Second channel estimated result obtains subelement, for estimating according to the original channel of described current area and adjacent area to be measured
Meter result carries out second time and disturbs elimination described current area and adjacent area to be measured, obtains described current area and adjacent area to be measured the
Channel estimation results after secondary interference elimination；
Second interference eliminates subelement, for choosing another adjacent area from described all adjacent areas as adjacent area to be measured, repetition
Above-mentioned second time interference cancellation process, until each adjacent area in all adjacent areas has all carried out second time interference and has disappeared with current area
Remove.
Optionally, described problem adjacent area determines that unit includes:
Second judgment sub-unit, for judging that whether described original interference value is more than the interference after second time interference elimination
Value；
3rd judges subelement, the situation of the interference value after eliminating more than second time interference at described original interference value
Under, it is determined that corresponding adjacent area is not problem adjacent area；
4th judges subelement, for being not more than the feelings of the interference value after second time interference eliminates at described original interference value
Under condition, it is determined that corresponding adjacent area is problem adjacent area.
Optionally, determine that the device of problem adjacent area also includes during described same frequency joint inspection: transmitting element, for by asking of determining
Topic adjacent area is sent to cell management station.
(3) beneficial effect
Being different from background technology, the present invention is by interference cancellation process, and the original channel before utilizing interference to eliminate is estimated
Meter result and first time disturb the channel estimation results after eliminating, after respectively obtaining original interference value and disturbing elimination for the first time
According to the interference after original interference value and interference elimination for the first time, interference value, judges whether the adjacent area of described current area exists and asks
Topic adjacent area, and it is dry that arbitrary adjacent area of described current area and current area carries out in the case of existing problems adjacent area second time
Disturb elimination, determine the interference value after the second time interference elimination of current area, and according to described original interference value and second time interference
Interference value after elimination determines whether corresponding adjacent area is problem adjacent area, thus the judgement that whether exists of problem of implementation adjacent area and tool
The determination of body problem neighboring BS information, it is to avoid use false channel estimated result to carry out joint-detection thus cause current area to be believed
The problem that road is estimated to deteriorate and demodulation performance declines.
Accompanying drawing explanation
Fig. 1 is the method flow schematic diagram determining problem adjacent area during embodiment together frequency joint inspection；
Fig. 2 is the schematic flow sheet that embodiment one is concrete；
Fig. 3 is the method part schematic flow sheet determining problem adjacent area during embodiment two same frequency joint inspection；
Fig. 4 is the method another part schematic flow sheet determining problem adjacent area during embodiment two same frequency joint inspection；
Fig. 5 is the apparatus module schematic diagram determining problem adjacent area during embodiment three same frequency joint inspection；
Fig. 6 is the schematic diagram that embodiment 3 first interference value determines unit；
Fig. 7 is the schematic diagram of embodiment three problem adjacent area judging unit；
Fig. 8 is the schematic diagram that embodiment three problem adjacent area determines unit.
Detailed description of the invention
For making the purpose of the present invention, content and advantage clearer, below in conjunction with the accompanying drawings and embodiment, to the present invention's
Detailed description of the invention is described in further detail.Following example are used for illustrating the present invention, but are not limited to the model of the present invention
Enclose.
Embodiment one
Referring to Fig. 1, a kind of method determining problem adjacent area when present embodiments providing same frequency joint inspection, the method originates in
Step 101, obtains the original estimation result of current area, determines according to the original estimation result of described current area
The original interference value of described current area.In the present embodiment, adjacent area is the community that current area is adjacent.
In step 102, determine the channel estimation results after the interference elimination for the first time of described current area, and work as according to described
Channel estimation results after the interference elimination for the first time of front community determines that described current area disturbs the interference value after eliminating for the first time.
In step 103, determine described the least according to the interference value after described original interference value and interference elimination for the first time
Whether the adjacent area in district has problems adjacent area.
In step 104, in the case of existing problems adjacent area, arbitrary adjacent area of described current area and current area is entered
Row interference for the second time eliminates, and determines the channel estimation results after the second time interference elimination of described current area and according to current area
Second time disturbs the channel after eliminating to estimate the interference value after determining current area second time interference elimination, according to described original dry
Disturb the interference value after value and second time interference elimination and determine whether corresponding adjacent area is problem adjacent area.
The present embodiment, by interference cancellation process, utilizes the original estimation result before interference elimination and first time
Channel estimation results after interference elimination, respectively obtains original interference value and disturbs the interference value after eliminating for the first time, according to former
Beginning interference value and the interference after for the first time interference eliminates judge whether the adjacent area of described current area has problems adjacent area, and are depositing
In the case of problem adjacent area, the arbitrary adjacent area to described current area and current area carries out disturbing elimination for the second time, determines and works as
Front community second time disturbs the interference value after eliminating, and according to the interference value after described original interference value and second time interference elimination
Determine whether corresponding adjacent area is problem adjacent area, thus the judgement that whether exists of problem of implementation adjacent area and particular problem neighboring BS information
Determination, it is to avoid use false channel estimated result to carry out joint-detection thus cause current area channel to estimate to deteriorate and conciliate
The problem adjusting hydraulic performance decline.
Referring to Fig. 2, in the present embodiment, step 102 includes step 1021 and step 1022, wherein in step 102 really
Channel estimation results after the interference elimination for the first time of fixed described current area is realized by step 1021: according to the plurality of community
In the original estimation result of all communities carry out all communities disturbing elimination for the first time, obtain described all communities first
Channel estimation results after secondary interference elimination；And the channel estimation results after the interference elimination for the first time of described all communities obtains
Channel estimation results after the interference elimination for the first time of described current area.
In step 1022, determine described working as according to the channel estimation results after the interference elimination for the first time of described current area
Interference value after the interference elimination for the first time of front community.
Concrete, step 103 is realized by step 1031-1033, in step 1031, it is judged that whether described original interference value
More than the interference value after interference eliminates for the first time.
In step 1032, original interference value is more than the interference value after interference eliminates for the first time, it is determined that described current area
There is no problem in adjacent area adjacent area.Now, and there is no problem adjacent area, also would not produce the problem mentioned in background technology, can
Carry out adjacent area window selection according to the channel estimation results after interference eliminates for the first time, include adjacent area window in, and carry out joint-detection.
In step 1033, original interference value is not more than the interference value after interference elimination for the first time, it is determined that described current area
Existing problems adjacent area, adjacent area.
Concrete, step 104 is realized by step 1040-1046, in step 1040, from all neighbours of described current area
District chooses an adjacent area as adjacent area to be measured.
In step 1041, according to the original estimation result of described current area and adjacent area to be measured to described current area
Carry out second time with adjacent area to be measured and disturb elimination, obtain the channel after described current area and adjacent area to be measured second time interference elimination
Estimated result.
In step 1042, the channel estimation results after eliminating according to current area second time interference determines that second time interference disappears
Interference value after removing.
In step 1043, it is judged that whether described original interference value is more than the interference value after second time interference elimination.
In step 1044, original interference value is more than the interference value after second time interference elimination, it is determined that corresponding adjacent area is not for asking
Topic adjacent area.
In step 1045, original interference value is not more than the interference value after second time interference eliminates, it is determined that corresponding adjacent area is for asking
Topic adjacent area.
In step 1046, from described all adjacent areas, choose another adjacent area as adjacent area to be measured, repeat the above steps 1041-
1045 second time interference cancellation process, until each adjacent area in all adjacent areas has all carried out second time interference and has disappeared with current area
Remove.
The present embodiment is by the interference value after relatively original interference value and interference elimination for the first time, less at original interference value
Situation judge that there is problem adjacent area, and current area and each adjacent cell are done co-channel interference the most again
Eliminating (second time interference elimination the most described), whether the interference value after inspection second time interference eliminates is more than original interference
Value, if set up, corresponding adjacent area is the adjacent area of problem adjacent area, i.e. configuration error, thus accurately determines ID and the phase of problem adjacent area
Close configuration information.Avoid using false channel estimated result to carry out joint-detection thus cause current area channel to estimate to deteriorate
The problem declined with demodulation performance.
Additionally, prior art is owing to processing means the most accordingly to adjacent area table allocation problem, this problem may cause
The demodulation performance of current area is deteriorated for a long time, and the cost of research staff's orientation problem increases.In order to solve this technical problem,
The present embodiment has made further improvement, also includes step 1047 after step 1046, is sent to little by the problem adjacent area determined
Management station of district, triggers management station and verifies adjacent area table, prints alarm and remind operation maintenance personnel adjacent area table wrong on control station.
After the table of operation maintenance personnel corrigendum adjacent area, operation maintenance personnel reconfigures the adjacent area of current area, and the configuration making adjacent area is correct, it is thus possible to and
Time solve the allocation problem of problem adjacent area table, to improve the demodulation performance of current area.This method also being correlated with problem adjacent area
Information includes that adjacent area ID etc. is sent along, makes questions and prospect clearer and more definite, reduces the maintenance difficulties of operation maintenance personnel.
Embodiment two
Refer to Fig. 3 and Fig. 4, when present embodiments providing a kind of same frequency joint inspection, determine the side of implementing of problem adjacent area
Method, in step 301, OM configures N number of adjacent area ID., OM is Operation Maintenance, and Chinese implication is that Operation and Maintenance is soft
Part, in actual applications, can be the management system in cell management station or cell management station.
In step 302, after configuration is good, antenna data is sent into channel estimation module, adjacent according to the same frequency that the last time is included in
District ID, it is thus achieved that the baseline results that the channel of each community is estimatedThe channel wherein comprising this community estimates baseline results
Channel estimation results with adjacent arean=0..N KaFor antenna number ka=0 ..., Ka-1.Here, this community is institute of the present invention
The current area said.
Original estimation result according to this communityCalculate the original interference value ISCP of this community, obtain ISCP_
BEFORE。
In step 303, by obtained original estimation result, all communities are carried out interference and eliminate, obtain all little
After district's interference eliminates
Channel estimation results after eliminating according to this area interferenceCalculate the interference after this area interference eliminates
Value ISCP, obtains ISCP_AFTER1.
In step 304, compare ISCP_BEFORE and ISCP_AFTER1.
If ISCP_BEFORE > ISCP_AFTER1, then show the interference level after this co-channel interference eliminates
The most abnormal, normal joint-detection can be continued.I.e. carry out step 306 and 307.In step 306, eliminate according to interference for the first time
After channel estimation results carry out adjacent area window selection, include adjacent area window in.In step 307, carry out joint-detection.
If ISCP_BEFORE < ISCP_AFTER1, then show the interference level after this co-channel interference eliminates
There is exception, it may be possible to adjacent area table is configured with misleading and causes, enter abnormal process step 305.
This community and each adjacent area are done co-channel interference successively two-by-two eliminate, and obtain this community through this interference elimination
After interference value.Concrete, in step 3051, choose an adjacent area N as adjacent area to be measured, do co-channel interference with this community and eliminate,
Obtain this community interference value ISCP_AFTER2N after this interference eliminates.
In step 3052, check interference eliminate after whether ISCP_AFTER2N > ISCP_BEFORE.
In step 3053, the most then adjacent area N is not problem cells, makes N=N+1, and judges that whether N+1 is more than maximum adjacent area
Number M, if it is not, then showing not is that Jun Yuzhe community, each adjacent area has carried out co-channel interference elimination, say, that the completeest
In pairs whether all adjacent areas, this community are the judgement of problem adjacent area.Perform step 3051.
In step 3054, if it is not, then this adjacent area N is configuration error adjacent area, it is problem adjacent area.
In step 3055, after completing the judgement whether adjacent area all to this community be problem adjacent area, by the neighbour of configuration error
District reports OM, triggers management station and verifies adjacent area table, prints alarm and remind operation maintenance personnel adjacent area table wrong on control station.
After the table of OM corrigendum adjacent area, OM reconfigures M adjacent area ID.
The present embodiment is by the interference value ISCP_ after relatively original interference value ISCP_BEFORE and interference elimination for the first time
AFTER1, the situation at the less ISCP_BEFORE of original interference value judges have a problem adjacent area, and to current area and each
Adjacent cell carries out doing co-channel interference the most again and eliminates (second time interference the most described eliminates), checks second time
Whether the interference value ISCP_AFTER2N after interference eliminates is more than original interference value ISCP_BEFORE, if set up, corresponding adjacent
District is the adjacent area of problem adjacent area, i.e. configuration error, thus accurately determines ID and the relevant configuration information of problem adjacent area.Avoid using
False channel estimated result carries out joint-detection thus causes current area channel to estimate to deteriorate and demodulation performance declines asks
Topic.
Additionally, prior art is owing to processing means the most accordingly to adjacent area table allocation problem, this problem may cause
The demodulation performance of current area is deteriorated for a long time, and the cost of research staff's orientation problem increases.In order to solve this technical problem,
The present embodiment has made further improvement, after completing the judgement whether adjacent area all to this community be problem adjacent area, by asking of determining
Topic adjacent area is sent to cell management station, triggers management station and verifies adjacent area table, prints alarm and remind O&M on control station
Personnel adjacent area table is wrong.After the table of operation maintenance personnel corrigendum adjacent area, operation maintenance personnel reconfigures the adjacent area of current area, makes joining of adjacent area
Put correct, it is thus possible to the allocation problem of the adjacent area table that solves a problem promptly, to improve the demodulation performance of current area.
Embodiment three
Referring to Fig. 5 to Fig. 8, the present embodiment determines the device of problem adjacent area when providing a kind of same frequency joint inspection, including: original
Interference value determines that unit the 501, first interference value determines that unit 502, problem adjacent area judging unit 503 and problem adjacent area determine unit
504。
Original interference value determines unit 501, for obtaining the original estimation result of current area, according to described currently
The original estimation result of community determines the original interference value of described current area.
First interference value determines unit 502, for determining that the channel after the interference elimination for the first time of described current area is estimated
As a result, and according to the channel estimation results after the interference elimination for the first time of described current area determine that described current area is the most dry
Disturb the interference value after elimination.Concrete, described first interference value determines that unit 502 includes that the first interference eliminates subelement 5021 He
First channel estimation results obtains subelement 5022.
Wherein the first interference eliminates subelement 5021, for estimating according to the original channel of communities all in the plurality of community
All communities are carried out disturbing elimination for the first time by meter result, obtain the channel after the interference elimination for the first time of described all communities and estimate
Result.
First channel estimation results obtains subelement 5022, the letter after interference eliminates for the first time from described all communities
Road estimated result obtains the channel estimation results after the interference elimination for the first time of described current area.
Problem adjacent area judging unit 503, for according to the interference value after described original interference value and interference elimination for the first time
Determine whether the adjacent area of described current area has problems adjacent area.Concrete, described problem adjacent area judging unit 503 includes first
Judgment sub-unit 5031, first judges that subelement 5032 and second judges subelement 5033.The function of each subelement is as follows.
First judgment sub-unit 5031, is used for judging that whether described original interference value is more than doing after interference eliminates for the first time
Disturb value；
First judges subelement 5032, the interference value after eliminating more than first time interference at described original interference value
In the case of, it is determined that there is no problem in the adjacent area of described current area adjacent area.Now, and there is no problem adjacent area, also would not produce
The problem mentioned in raw background technology, can carry out adjacent area window selection according to the channel estimation results after interference eliminates for the first time, receive
Enter adjacent area window, and carry out joint-detection.
Second judges subelement 5033, disturbs the interference value after eliminating for the first time for being not more than at described original interference value
In the case of, it is determined that the existing problems adjacent area, adjacent area of described current area.Determine that unit 504 determines by problem adjacent area the most again
The accurate information of problem adjacent area.
Problem adjacent area determines unit 504, in the case of existing problems adjacent area to described current area and the least
Arbitrary adjacent area in district carries out second time and disturbs elimination, determines the channel estimation results after the second time interference elimination of described current area
And disturb the channel after eliminating to estimate the interference value after determining current area second time interference elimination according to current area second time,
Interference value after eliminating according to described original interference value and second time interference determines whether corresponding adjacent area is problem adjacent area.
Concrete, described problem adjacent area determines that unit 504 includes: choose subelement 5041, second channel estimated result obtains
Take subelement the 5042, second judgment sub-unit the 5043, the 3rd and judge that subelement the 5044, the 4th judges that subelement 5045, second is dry
Disturb elimination subelement 5046.
Choose subelement 5041, for choosing an adjacent area from all adjacent areas of described current area as adjacent area to be measured.
Second channel estimated result obtains subelement 5042, for according to described current area and the original letter of adjacent area to be measured
Road estimated result carries out second time and disturbs elimination described current area and adjacent area to be measured, obtains described current area and neighbour to be measured
Channel estimation results after district's second time interference elimination.Second channel estimated result obtains subelement 5042 always according to current area
Channel estimation results after second time interference eliminates calculates the interference value after corresponding second time interference eliminates.
Second judgment sub-unit 5043, is used for judging that whether described original interference value is more than doing after second time interference elimination
Disturb value.
3rd judges subelement 5044, the interference value after eliminating more than second time interference at described original interference value
In the case of, it is determined that corresponding adjacent area is not problem adjacent area.
4th judges subelement 5045, for being not more than the interference value after second time interference eliminates at described original interference value
In the case of, it is determined that corresponding adjacent area is problem adjacent area.
Second interference eliminates subelement 5046, for choosing another adjacent area from described all adjacent areas as adjacent area to be measured,
Repeat above-mentioned second time interference cancellation process, until each adjacent area in all adjacent areas has all carried out second time and done with current area
Disturb elimination.
The present embodiment is by the interference value after relatively original interference value and interference elimination for the first time, less at original interference value
Situation judge that there is problem adjacent area, and current area and each adjacent cell are done co-channel interference the most again
Eliminating (second time interference elimination the most described), whether the interference value after inspection second time interference eliminates is more than original interference
Value, if set up, corresponding adjacent area is the adjacent area of problem adjacent area, i.e. configuration error, thus accurately determines ID and the phase of problem adjacent area
Close configuration information.Avoid using false channel estimated result to carry out joint-detection thus cause current area channel to estimate to deteriorate
The problem declined with demodulation performance.
Additionally, prior art is owing to processing means the most accordingly to adjacent area table allocation problem, this problem may cause
The demodulation performance of current area is deteriorated for a long time, and the cost of research staff's orientation problem increases.In order to solve this technical problem,
The present embodiment has made further improvement, determines that the device of problem adjacent area also includes: transmitting element 5047, use during described same frequency joint inspection
In the problem determined adjacent area being sent to cell management station, triggering management station and adjacent area table is verified, control station prints
Alarm reminds operation maintenance personnel adjacent area table wrong.After the table of operation maintenance personnel corrigendum adjacent area, operation maintenance personnel reconfigures the neighbour of current area
District, the configuration making adjacent area is correct, it is thus possible to the allocation problem of the adjacent area table that solves a problem promptly, to improve the solution tonality of current area
Energy.
In sum, present invention have the advantage that
1) calculated interference value before and after utilizing interference to eliminate, it is judged that the interference after first time co-channel interference eliminates
Whether level has exception.If the interference value after interference eliminates is more than the interference value before interference eliminates, illustrate to be likely to be adjacent area
Table is configured with misleading and causes.And then each adjacent area in current area and all adjacent areas is carried out synchronous interference again between any two
Eliminate, disturb the interference value after eliminating by comparing the original interference value in current area and second time, accurately determine problem adjacent area.
2) for determining the problem of the also neighbor cell configuration of solving error as early as possible, send to management station after determining problem adjacent area and ask
The relevant information of topic adjacent area, triggers management station and verifies adjacent area table and print alarm on control station, timely respond to adjacent area
Table problem, reminds operation maintenance personnel to check the neighbor cell configuration table of problem base station, stronger to problem adjacent area and correlation
Adjacent area carry out code word and reconfigure, the performance of the same frequency detection brought in neighbor cell configuration problem can be eliminated the most to a great extent
Long-time deterioration, it is ensured that with the actual performance of frequency detection.
3) concrete problematic adjacent area ID can be found for abnormal adjacent area table, make questions and prospect clearer and more definite, reduce O&M
The maintenance difficulties of personnel.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description and accompanying drawing content are made convert, or are directly or indirectly used in other relevant skills
Art field, is the most in like manner included in the scope of patent protection of the present invention.
Claims (8)
1. the method determining problem adjacent area during a same frequency joint inspection, it is characterised in that including:
Obtain the original estimation result of current area, determine according to the original estimation result of described current area described
The original interference value of current area；
Determine the channel estimation results after the interference elimination for the first time of described current area, and the most dry according to described current area
Disturb the interference value after the channel estimation results after elimination determines the interference elimination for the first time of described current area；
Determine whether the adjacent area of described current area deposits according to the interference value after described original interference value and interference elimination for the first time
In problem adjacent area；
In the case of existing problems adjacent area, the arbitrary adjacent area to described current area and current area carries out disturbing for the second time disappearing
Remove, determine the channel estimation results after the second time interference elimination of described current area and eliminate according to current area second time interference
After channel estimate to determine current area second time interference eliminate after interference value, dry according to described original interference value and second time
Disturb the interference value after elimination and determine whether corresponding adjacent area is problem adjacent area；
Described determine described current area according to described original interference value and the interference value after for the first time interference eliminates adjacent area be
No existing problems adjacent area includes:
Judge that whether described original interference value is more than the interference value after interference eliminates for the first time；
The most then judge the adjacent area of described current area there is no problem adjacent area；
If it is not, then judge the existing problems adjacent area, adjacent area of described current area；
Described eliminate according to described original interference value and second time interference after interference value determine that whether corresponding adjacent area is that problem is adjacent
District includes:
Judge that whether described original interference value is more than the interference value after second time interference elimination；
The most then judge that corresponding adjacent area is not as problem adjacent area；
If it is not, then judge that corresponding adjacent area is as problem adjacent area.
The most according to claim 1 with frequency joint inspection time determine problem adjacent area method, it is characterised in that described determine described
Channel estimation results after the interference elimination for the first time of current area includes:
All communities are carried out disturbing elimination for the first time by the original estimation result according to communities all in multiple communities, obtain
Channel estimation results after the interference elimination for the first time of described all communities, and after the first time interference of described all communities eliminates
Channel estimation results obtains the channel estimation results after the interference elimination for the first time of described current area.
The most according to claim 1 with frequency joint inspection time determine problem adjacent area method, it is characterised in that described to described work as
Arbitrary adjacent area of front community and current area carries out second time and disturbs elimination to include:
An adjacent area is chosen as adjacent area to be measured from all adjacent areas of described current area；
Described current area and adjacent area to be measured are carried out by the original estimation result according to described current area and adjacent area to be measured
Second time interference eliminates, and obtains described current area and adjacent area to be measured second time disturbs the channel estimation results after eliminating；
From described all adjacent areas, choose another adjacent area as adjacent area to be measured, repeat above-mentioned second time interference cancellation process, until
Each adjacent area in all adjacent areas has all carried out second time interference and has eliminated with current area.
The method determining problem adjacent area during same frequency joint inspection the most according to claim 1, it is characterised in that also include: will be really
Fixed problem adjacent area is sent to cell management station.
5. determine the device of problem adjacent area during a same frequency joint inspection, it is characterised in that including:
Original interference value determines unit, for obtaining the original estimation result of current area, according to described current area
Original estimation result determines the original interference value of described current area；
First interference value determines unit, the channel estimation results after determining the interference elimination for the first time of described current area, and
Determine that the interference for the first time of described current area eliminates according to the channel estimation results after the interference elimination for the first time of described current area
After interference value；
Problem adjacent area judging unit, for determining described according to the interference value after described original interference value and interference elimination for the first time
Whether the adjacent area of current area has problems adjacent area；
Problem adjacent area determines unit, for arbitrary to described current area and current area in the case of existing problems adjacent area
Adjacent area carries out second time and disturbs elimination, determines the channel estimation results after the second time interference elimination of described current area and according to working as
Front community second time disturbs the channel after eliminating to estimate the interference value after determining current area second time interference elimination, according to described
Interference value after original interference value and second time interference eliminate determines whether corresponding adjacent area is problem adjacent area；
Described problem adjacent area judging unit includes:
First judgment sub-unit, for judging that whether described original interference value is more than the interference value after interference eliminates for the first time；
First judges subelement, in the case of at described original interference value more than the interference value after interference eliminates for the first time,
There is no problem in the adjacent area adjacent area of described current area will be judged；
Second judges subelement, for being not more than the situation disturbing the interference value after eliminating for the first time at described original interference value
Under, the existing problems adjacent area, adjacent area of described current area will be judged；
Described problem adjacent area determines that unit includes:
Second judgment sub-unit, for judging that whether described original interference value is more than the interference value after second time interference elimination；
3rd judges subelement, in the case of the interference value after eliminating more than second time interference at described original interference value,
Judge that corresponding adjacent area is not as problem adjacent area；
4th judges subelement, for being not more than the situation of the interference value after second time interference eliminates at described original interference value
Under, it is determined that corresponding adjacent area is problem adjacent area.
The device of problem adjacent area is determined, it is characterised in that described first interference during same frequency joint inspection the most according to claim 5
Value determines that unit includes:
First interference eliminates subelement, is used for the original estimation result according to communities all in multiple communities to all communities
Carry out disturbing elimination for the first time, obtain the channel estimation results after the interference elimination for the first time of described all communities；
First channel estimation results obtains subelement, and the channel after interference eliminates for the first time from described all communities estimates knot
Fruit obtains the channel estimation results after the interference elimination for the first time of described current area.
The device of problem adjacent area is determined, it is characterised in that described problem adjacent area during same frequency joint inspection the most according to claim 5
Determine that unit includes:
Choose subelement, for choosing an adjacent area from all adjacent areas of described current area as adjacent area to be measured；
Second channel estimated result obtains subelement, estimates knot for the original channel according to described current area and adjacent area to be measured
Fruit carries out second time and disturbs elimination described current area and adjacent area to be measured, obtains described current area and adjacent area to be measured second time
Channel estimation results after interference elimination；
Second interference eliminates subelement, for choosing another adjacent area from described all adjacent areas as adjacent area to be measured, repeats above-mentioned
Interference cancellation process for the second time, until each adjacent area in all adjacent areas has all carried out second time interference and has eliminated with current area.
The device of problem adjacent area is determined, it is characterised in that also include: send during same frequency joint inspection the most according to claim 5
Unit, for being sent to cell management station by the problem adjacent area determined.
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