CN106572485A - Method used for adjacent frequency interference detection and optimization and small base station - Google Patents
Method used for adjacent frequency interference detection and optimization and small base station Download PDFInfo
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- CN106572485A CN106572485A CN201510663322.9A CN201510663322A CN106572485A CN 106572485 A CN106572485 A CN 106572485A CN 201510663322 A CN201510663322 A CN 201510663322A CN 106572485 A CN106572485 A CN 106572485A
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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
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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Abstract
The invention discloses a method used for adjacent frequency interference detection and optimization and a small base station. The method comprises the following steps of detecting whether a TD-LTE signal exists in a surrounding environment; if the TD-LTE signal exists in the surrounding environment, determining whether a signal source quantity whose reference signal receiving power RSRP is greater than a predetermined power value PTH is greater than 1; if the signal source quantity whose RSRP is greater than the predetermined power value PTH is greater than 1, acquiring uplink and downlink configuration information of all the signal sources whose RSRP is greater than the PTH; comparing and determining whether the uplink and downlink configuration information of all the signal sources whose RSRP is greater than the PTH is the same; and if the uplink and downlink configuration information of all the signal sources whose RSRP is greater than the PTH is the same, taking the same uplink and downlink configuration information as TD uplink and downlink configuration information of the small base station. In the invention, uplink and downlink configuration can be reasonably optimized, a network-edge adjacent frequency interference is reduced and a network throughput and frequency spectrum efficiency are increased.
Description
Technical field
The present invention relates to moving communicating field, more particularly to a kind of adjacent frequency Interference Detection that is used for is with optimization
Method and little base station.
Background technology
Heterogeneous nodes mixed networking will become future network form, and the little base station of different operators overlaps to be covered
Lid, realizes that automatically quickly adjacent frequency Interference Detection is extremely urgent with optimization.
(Time Division Long Term Evolution, time-division are long-term for the TD-LTE of operator
Evolution) frequency range often has a situation about being close to, frequency range 2370-2390MHz of such as certain operator,
2635-2655MHz is tight with frequency range 2320-2370MHz, 2575-5635MHz of another operator
, there is adjacent frequency risk of interferences in patch.Between adjacent frequency in the case of no 5M protection bands, if different
Operator TD (Time Division, time-division) up-downgoing proportioning is inconsistent, then can produce down to upper
Station between adjacent frequency interference.
The content of the invention
In view of above technical problem, the invention provides a kind of for adjacent frequency Interference Detection and optimization
Method and little base station, can be reduced the interference of network edge adjacent frequency, are carried with reasonably optimizing uplink-downlink configuration
High network throughput and spectrum efficiency.
According to an aspect of the present invention, there is provided it is a kind of for adjacent frequency Interference Detection with optimization side
Method, including：Detection surrounding whether there is TD-LTE signals；If surrounding is present
TD-LTE signals, then judge that Reference Signal Received Power RSRP is more than predetermined power value PTH
Signal source quantity whether be more than 1；If RSRP is more than predetermined power value PTHSignal number
Amount obtains RSRP more than 1, then and is more than PTHAll signal sources uplink-downlink configuration information；
Relatively RSRP is more than PTHAll signal sources uplink-downlink configuration information it is whether identical；If
RSRP is more than PTHAll signal sources uplink-downlink configuration information it is identical, then will be described identical
Uplink-downlink configuration information as little base station TD uplink-downlink configuration information.
In one embodiment of the invention, methods described also includes：If RSRP is more than PTH
The uplink-downlink configuration information of all signal sources differ, then send warning message to network management system.
In one embodiment of the invention, methods described also includes：If RSRP is more than predetermined
Performance number PTHSignal source quantity be 1, then obtain the uplink-downlink configuration information of the signal source；
Using the uplink-downlink configuration information of the signal source as little base station TD uplink-downlink configuration information.
In one embodiment of the invention, methods described also includes：If RSRP is more than predetermined
Performance number PTHSignal source quantity be 0, then keep the TD uplink-downlink configurations information of little base station not
Become.
In one embodiment of the invention, the reference signal of the judgement TD-LTE signals connects
Receive power RSRP and be more than predetermined power value PTHSignal source quantity whether more than 1 the step of wrap
Include：According to the TD-LTE signals of detection, the RSRP of signal source is determined；The each signal of comparison
Whether the RSRP in source is more than predetermined power value PTH；Statistics RSRP is more than predetermined power value PTH
Signal source quantity；Judge the quantity whether more than 1.
According to a further aspect in the invention, there is provided it is a kind of for adjacent frequency Interference Detection with optimization little base
Stand, including detection module, identification module, the first configuration acquisition module, comparison module and first
Configuration modifications module, wherein：
Detection module, for detecting that surrounding whether there is TD-LTE signals；
Identification module, for when detection module detects surrounding and there is TD-LTE signals,
Judge that Reference Signal Received Power RSRP is more than predetermined power value PTHSignal source quantity whether
More than 1；
First configuration acquisition module, for the judged result according to identification module, if RSRP is big
In predetermined power value PTHSignal source quantity be more than 1, then obtain RSRP be more than PTHInstitute
There is the uplink-downlink configuration information of signal source；
Comparison module, for comparing the uplink-downlink configuration letter of the first configuration acquisition module acquisition
Whether breath is identical；
First configuration modifications module, for the comparative result according to comparison module, if the first configuration
The uplink-downlink configuration information that acquisition module is obtained is identical, then match somebody with somebody the identical up-downgoing
Confidence ceases the TD uplink-downlink configuration information as little base station.
In one embodiment of the invention, the little base station also includes alarm module, wherein：
Alarm module, for the comparative result according to comparison module, if the first configuration acquisition module
The uplink-downlink configuration information for obtaining is differed, then send warning message to network management system.
In one embodiment of the invention, the little base station is also including the second configuration acquisition module
With the second configuration modifications module, wherein：
Second configuration acquisition module, for the judged result according to identification module, if RSRP is big
In predetermined power value PTHSignal source quantity be 1, then obtain the uplink-downlink configuration of the signal source
Information；
Second configuration modifications module, for the signal source of acquisition module acquisition is configured first
TD uplink-downlink configuration information of the uplink-downlink configuration information as little base station.
In one embodiment of the invention, the little base station also includes that configuration keeps module, its
In：
Configuration keeps module, for the judged result according to identification module, if RSRP is more than pre-
Determine performance number PTHSignal source quantity be 0, then keep the TD uplink-downlink configuration information of little base station
It is constant.
In one embodiment of the invention, identification module includes power acquisition module, comparison list
Unit, statistic unit and recognition unit, wherein：
Power acquisition module, for the TD-LTE signals detected according to detection module, it is determined that letter
The RSRP in number source；
Whether comparing unit, the RSRP for each signal source of comparison are more than predetermined power value
PTH；
Statistic unit, for counting RSRP more than predetermined power value PTHSignal source quantity；
Recognition unit, for judging the quantity whether more than 1.
The present invention can little base station open station after quick detection and evade automatically TD signals adjacent frequency do
Disturb, the uplink-downlink configuration so as to reasonably optimizing, reduce the interference of network edge adjacent frequency, improve
Network throughput and spectrum efficiency.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will
Accompanying drawing to be used needed for embodiment or description of the prior art is briefly described, it is clear that
Ground, drawings in the following description are only some embodiments of the present invention, for the common skill in this area
For art personnel, without having to pay creative labor, can be being obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is signal of the present invention for adjacent frequency Interference Detection and method one embodiment of optimization
Figure.
Fig. 2 is more than the letter of predetermined value for Reference Signal Received Power is judged in one embodiment of the invention
Number source quantity whether schematic diagram more than 1.
Fig. 3 is signal of the present invention for adjacent frequency Interference Detection and another embodiment of method of optimization
Figure.
Fig. 4 carries out the network of adjacent frequency Interference Detection and optimization for little base station in one embodiment of the invention
Configuration diagram.
Fig. 5 is that the present invention is shown with the little base station one embodiment for optimizing for adjacent frequency Interference Detection
It is intended to.
Fig. 6 is that the present invention is shown with the little base station another embodiment for optimizing for adjacent frequency Interference Detection
It is intended to.
Fig. 7 is the schematic diagram of identification module in one embodiment of the invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical scheme in the embodiment of the present invention
It is clearly and completely described, it is clear that described embodiment is only that a present invention part is real
Apply example, rather than the embodiment of whole.Description reality at least one exemplary embodiment below
On be merely illustrative, never as to the present invention and its application or any restriction for using.Base
Embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
Unless specifically stated otherwise, the part that otherwise illustrates in these embodiments and step it is relative
Arrangement, numerical expression and numerical value are not limited the scope of the invention.
Simultaneously, it should be appreciated that for the ease of description, the size of the various pieces shown in accompanying drawing
It is not to draw according to actual proportionate relationship.
For known to person of ordinary skill in the relevant, technology, method and apparatus may not be made in detail
Discuss, but in the appropriate case, the technology, method and apparatus should be considered to authorize description
A part.
In all examples of shown here and discussion, any occurrence should be construed as merely and show
Example property, not as restriction.Therefore, the other examples of exemplary embodiment can have not
Same value.
It should be noted that：Similar label and letter represent similar terms in following accompanying drawing, therefore,
Once being defined in a certain Xiang Yi accompanying drawing, then need not which be entered to advance in subsequent accompanying drawing
One step discussion.
Fig. 1 is signal of the present invention for adjacent frequency Interference Detection and method one embodiment of optimization
Figure.Preferably, the little base station that the present embodiment can be by invention for adjacent frequency Interference Detection with optimization performs.
The method is comprised the following steps：
Step 101, after station is opened in little base station, carries out frequency sweep to the TD signals of surrounding, with
Detection surrounding whether there is TD-LTE signals.
In one embodiment of the invention, step 101 can include：It is deployed in cell edge
Little base station open after, the process of self-configuring can be carried out, on the TD including little base station
Descending proportioning information；Afterwards in order to avoid the interference with other operators, little base station is by local
TD-LTE signal environments around reception device detection, check for other operators
TD-LTE signals.
Step 102, if surrounding has TD-LTE signals, judges that reference signal is received
Power RSRP is more than predetermined power value PTHSignal source quantity whether be more than 1.
Step 103, if RSRP is more than predetermined power value PTHSignal source quantity be more than 1, then
Obtain RSRP and be more than PTHAll signal sources uplink-downlink configuration information.
Step 104, compares RSRP more than PTHAll signal sources uplink-downlink configuration information
It is whether identical.
Step 105, if RSRP is more than PTHAll signal sources uplink-downlink configuration information phase
Together, then believe the identical uplink-downlink configuration information as the TD uplink-downlink configurations of little base station
Breath.
The method for adjacent frequency Interference Detection with optimizing provided based on the above embodiment of the present invention,
After station is opened in the little base station under isomery scene, frequency sweep is carried out to TD signals around, acquisition reaches
To the number and its up-downgoing proportioning information of interference threshold TD signals, little base station can configure identical
Up-downgoing proportioning disturbed with the adjacent frequency for avoiding macro base station, up-downgoing is matched somebody with somebody so as to reasonably optimizing
Put, reduce the interference of network edge adjacent frequency, improve network throughput and spectrum efficiency.
Fig. 2 is more than the letter of predetermined value for Reference Signal Received Power is judged in one embodiment of the invention
Number source quantity whether schematic diagram more than 1.As shown in Fig. 2 judging the reference of TD-LTE signals
Signal reception power RSRP is more than predetermined power value PTHSignal source quantity whether more than 1
Step includes：
Step 201, according to the TD-LTE signals of detection, determines the RSRP of signal source.
Whether step 202, the RSRP of each signal source of comparison are more than predetermined power value PTH。
In one embodiment of the invention, such as detecting certain TD signal RSRP value is
- 100dBm, and now predetermined power value PTHFor -105dBm, then it is assumed that the TD signals are full
The signal of sufficient threshold condition.
Step 203, statistics RSRP are more than predetermined power value PTHSignal source quantity.
Whether step 204, judge the quantity more than 1.
Fig. 3 is signal of the present invention for adjacent frequency Interference Detection and another embodiment of method of optimization
Figure.Preferably, the little base station that the present embodiment can be by invention for adjacent frequency Interference Detection with optimization performs.
The method is comprised the following steps：
Step 301, after station is opened in little base station, carries out frequency sweep to the TD signals of surrounding, with
Detection surrounding whether there is TD-LTE signals.
Step 302, if surrounding has TD-LTE signals, judges RSRP more than pre-
Determine performance number PTHSignal source quantity whether be more than 1.If RSRP is more than predetermined power value PTH
Signal source quantity more than 1 (that is, detect meet threshold condition TD signals be 2 or
It is more), then execution step 307；Otherwise, if RSRP is not more than predetermined power value PTH's
Signal source quantity be not more than 1 (that is, detect meet threshold condition TD signals be 0 or 1
It is individual), then execution step 303.
Step 303, judges that RSRP is more than predetermined power value PTHSignal source quantity whether etc.
In 1.If RSRP is more than predetermined power value PTHSignal source quantity (that is, detect equal to 1
The TD signals for meeting threshold condition are 1), then execution step 304；Otherwise, if RSRP
No more than predetermined power value PTHSignal source quantity be not equal to 1 and (that is, detect and meet thresholding
Signal source quantity be equal to 0), then execution step 306.
Step 304, reception device can consider that surrounding is not interfered with, or surrounding only one of which TD
Signal source, then obtain the uplink-downlink configuration information of the signal source.
Step 305, believes the uplink-downlink configuration information as the TD uplink-downlink configurations of little base station
Breath, no longer performs other steps of the present invention afterwards.
Step 306, keeps the TD uplink-downlink configuration Information invariabilities of little base station, no longer holds afterwards
Other steps of the row present invention.
Step 307, obtains RSRP and is more than PTHAll signal sources uplink-downlink configuration information.
Step 308, compares RSRP more than PTHAll signal sources uplink-downlink configuration information
It is whether identical.If RSRP is more than PTHAll signal sources uplink-downlink configuration information it is identical,
Then execution step 305, will the identical uplink-downlink configuration information as little base station TD
Uplink-downlink configuration information；Otherwise, if RSRP is more than PTHThe up-downgoing of all signal sources match somebody with somebody
Confidence breath is differed, then execution step 309.
Step 309, sends warning message to network management system.
In one specific embodiment of the present invention, as shown in figure 4, the little base station 3 of operator A
Positioned at the edge of the signal source 2 of the signal source 1 and operator B of operator A, if little base station 3
Qi Zhanhou, detects RSRP more than PTHTD signal sources quantity be 2.
The reception device of little base station obtains the uplink-downlink configuration information of signal source 1 and signal source 2,
Wherein, the uplink-downlink configuration information of signal source 1 is：Descending-up-up-up-descending-under
Row-descending；The uplink-downlink configuration information of signal source 2 is：Descending-up-up-up-descending-
It is descending-descending.Signal source 1 is identical with the uplink-downlink configuration information of signal source 2.
Therefore, little base station using with 2 identical up-downgoing parameter configuration of signal source 1 and signal source,
It is possible thereby to avoid producing adjacent frequency interference.
In specific embodiment described in Fig. 4 of the present invention, if what the reception device of little base station was obtained
The uplink-downlink configuration information of signal source 1 is：It is descending-up-descending-descending-descending-descending-descending；
The uplink-downlink configuration information of signal source 2 is：It is descending-up-up-up-descending-descending-descending.
The uplink-downlink configuration information of signal source 1 and signal source 2 is differed.Then no matter little base station uses which
Uplink-downlink configuration is planted, all can be disturbed by adjacent frequency, and between local Liang Ge operators macro base station
Can also there is the risk of adjacent frequency interference problem, therefore little base station initiates to alert to network management system, with
The more centralized pool optimization of network management system offer is provided or artificial optimization is carried out.
There is adjacent frequency interference for different operators network boundary and ask in the above embodiment of the present invention
Topic, under a kind of isomery scene of proposition, little base station optimizes TD uplink-downlink configurations, evades neighbour after opening station
The method of frequency interference, by adding signal receiving device in little base station end, to TD signals around
Frequency sweep is carried out, acquisition reaches the number and its up-downgoing proportioning information of interference threshold TD signals,
The configurable identical up-downgoing proportioning in little base station is disturbed with the adjacent frequency for avoiding macro base station, or to
Network sends alarm, reaches the effect for improving spectrum efficiency and throughput of system.
Fig. 5 is that the present invention is shown with the little base station one embodiment for optimizing for adjacent frequency Interference Detection
It is intended to.As shown in figure 5, the little base station for adjacent frequency Interference Detection with optimization includes detection module
501st, the configuration of identification module 502, first acquisition module 503, comparison module 504 and first are matched somebody with somebody
Correcting module 505 is put, wherein：
Detection module 501, for detecting that surrounding whether there is TD-LTE signals.
, there is TD-LTE for surrounding being detected in detection module 501 in identification module 502
During signal, judge that Reference Signal Received Power RSRP is more than predetermined power value PTHSignal source
Whether quantity is more than 1.
First configuration acquisition module 503, for the judged result according to identification module 502, if
RSRP is more than predetermined power value PTHSignal source quantity be more than 1, then obtain RSRP be more than
PTHAll signal sources uplink-downlink configuration information.
Comparison module 504, for comparing the described upper and lower of the acquisition of the first configuration acquisition module 503
Whether row configuration information is identical.
First configuration modifications module 505, for the comparative result according to comparison module 504, if
The uplink-downlink configuration information that first configuration acquisition module 503 is obtained is identical, then by the phase
TD uplink-downlink configuration information of the same uplink-downlink configuration information as little base station.
Based on the above embodiment of the present invention offer for adjacent frequency Interference Detection and the little base for optimizing
Stand, after station is opened in the little base station under isomery scene, frequency sweep is carried out to TD signals around, is obtained
The number and its up-downgoing proportioning information for reaching interference threshold TD signals is taken, little base station can configure
Identical up-downgoing proportioning is disturbed with the adjacent frequency for avoiding macro base station, so as to reasonably optimizing up and down
Row configuration, reduces the interference of network edge adjacent frequency, improves network throughput and spectrum efficiency.
For, in following TD-LTE system isomery networking scene, the little base station carried in the present invention can
With the heterogeneous nodes type including all non-macro stations, as long as meet being deployed in different operators network edge
Edge and the network node of self-starting is needed, and adopt TD-LTE standards, its up-downgoing proportioning is joined
Number is all essential.
Fig. 6 is that the present invention is shown with the little base station another embodiment for optimizing for adjacent frequency Interference Detection
It is intended to.Compared with embodiment illustrated in fig. 5, in the embodiment shown in fig. 6, the little base station can be with
Including alarm module 506, wherein：
Alarm module 506, for the comparative result according to comparison module 504, if the first configuration
The uplink-downlink configuration information that acquisition module 503 is obtained is differed, then send to network management system
Warning message.
There is adjacent frequency interference for different operators network boundary and ask in the above embodiment of the present invention
Topic, under a kind of isomery scene of proposition, little base station optimizes TD uplink-downlink configurations, evades neighbour after opening station
The little base station of frequency interference, carries out frequency sweep to TD signals around, and acquisition reaches interference threshold TD
The number and its up-downgoing proportioning information of signal, the configurable identical up-downgoing proportioning in little base station with
The adjacent frequency interference of macro base station is avoided, or alarm is sent to network, reach raising spectrum efficiency
With the effect of throughput of system.
In one embodiment of the invention, warning system refers in NMS
Point, the alarm module of little base station is alerted by the warning system to network management system, illustrates little base station
There is the interference of TD-LTE up-downgoing proportionings adjacent frequency in location, and cannot pass through little base station itself
Configuration carries out interference and evades, and can only be planned as a whole to dispose by centralized network management system, or manually
It is optimized.
In one embodiment of the invention, as shown in fig. 6, the little base station can also include
Second configuration acquisition module 507 and the second configuration modifications module 508, wherein：
Second configuration acquisition module 507, for the judged result according to identification module 502, if
RSRP is more than predetermined power value PTHSignal source quantity be 1, then obtain the upper and lower of the signal source
Row configuration information.
Second configuration modifications module 508, should for what is obtained the first configuration acquisition module 503
TD uplink-downlink configuration information of the uplink-downlink configuration information of signal source as little base station.
In the above embodiment of the present invention, if detect meet threshold condition TD signals be 0
Or when 1, reception device can consider that surrounding is not interfered with, or surrounding only one of which TD letter
Number source, therefore little base station can obtain the TD signal source uplink-downlink configuration information, then little base
Stand.
In one embodiment of the invention, as shown in fig. 6, the little base station can also include
Configuration keeps module 509, wherein：
Configuration keeps module 509, for the judged result according to identification module 502, if RSRP
More than predetermined power value PTHSignal source quantity be 0, then keep the TD up-downgoings of little base station to match somebody with somebody
Put Information invariability.
Fig. 7 is the schematic diagram of identification module in Fig. 5 or Fig. 6 embodiments of the present invention.As shown in fig. 7,
The identification module 502 includes power acquisition module 701, comparing unit 702, statistic unit
703 and recognition unit 704, wherein：
Power acquisition module 701, for the TD-LTE signals detected according to detection module 501,
Determine the RSRP of signal source.
Whether comparing unit 702, the RSRP for each signal source of comparison are more than predetermined power
Value PTH。
Statistic unit 703, for counting RSRP more than predetermined power value PTHSignal number
Amount.
Recognition unit 704, for whether judging the quantity more than 1, and is more than in the quantity
When 1, indicate that the first configuration acquisition module 503 carries out corresponding operating and (that is, obtains RSRP big
In PTHAll signal sources uplink-downlink configuration information).
In one embodiment of the invention, whether recognition unit 704 is additionally operable in the quantity
When no more than 1, judge the quantity whether equal to 1；When the quantity is equal to 1, indicate
Second configuration acquisition module 507 carries out corresponding operating, and (that is, the up-downgoing for obtaining the signal source is matched somebody with somebody
Confidence ceases)；And when the quantity is not equal to 1, indicate that configuration keeps module 509 to keep little
The TD uplink-downlink configuration Information invariabilities of base station.
Detection module 501 described above, the configuration of identification module 502, first obtain mould
Block 503, comparison module 504, the first configuration modifications module 505, alarm module 506, second
Configuration acquisition module 507, the second configuration modifications module 508 and configuration keep the work(such as module 509
Energy unit is can be implemented as performing the general processor of function described herein, may be programmed
Logic controller (PLC), digital signal processor (DSP), special IC (ASIC),
Field programmable gate array (FPGA) or other PLDs, discrete gate or
Transistor logic, discrete hardware components or which is arbitrarily appropriately combined.
The configuration acquisition module 503 of detection module 501, first described in the above embodiment of the present invention
The reception device of little base station is can be implemented as with the second configuration acquisition module 507.
So far, the present invention is described in detail.In order to avoid the design of the masking present invention, do not have
Description some details known in the field.Those skilled in the art as described above, completely
It can be appreciated how implementing technical scheme disclosed herein.
One of ordinary skill in the art will appreciate that realizing all or part of step of above-described embodiment
Can be completed by hardware, it is also possible to instruct the hardware of correlation to complete by program, it is described
Program can be stored in a kind of computer-readable recording medium, and storage medium mentioned above can be with
It is read only memory, disk or CD etc..
Description of the invention is given for the sake of example and description, and is not exhaustively
Or limit the invention to disclosed form.Many modifications and variations are for the common skill of this area
It is obvious for art personnel.It is for the principle for more preferably illustrating the present invention to select and describe embodiment
And practical application, and one of ordinary skill in the art is made it will be appreciated that the present invention is suitable so as to design
In the various embodiments with various modifications of special-purpose.
Claims (10)
1. it is a kind of for adjacent frequency Interference Detection with optimization method, it is characterised in that include：
Detection surrounding whether there is TD-LTE signals；
If surrounding has TD-LTE signals, Reference Signal Received Power RSRP is judged
More than predetermined power value PTHSignal source quantity whether be more than 1；
If RSRP is more than predetermined power value PTHSignal source quantity be more than 1, then obtain RSRP
More than PTHAll signal sources uplink-downlink configuration information；
Relatively RSRP is more than PTHAll signal sources uplink-downlink configuration information it is whether identical；
If RSRP is more than PTHAll signal sources uplink-downlink configuration information it is identical, then by institute
Identical uplink-downlink configuration information is stated as the TD uplink-downlink configuration information of little base station.
2. method according to claim 1, it is characterised in that also include：
If RSRP is more than PTHThe uplink-downlink configuration information of all signal sources differ, then to
Network management system sends warning message.
3. method according to claim 1 and 2, it is characterised in that also include：
If RSRP is more than predetermined power value PTHSignal source quantity be 1, then obtain the signal
The uplink-downlink configuration information in source；
Believe the uplink-downlink configuration information of the signal source as the TD uplink-downlink configurations of little base station
Breath.
4. method according to claim 1 and 2, it is characterised in that also include：
If RSRP is more than predetermined power value PTHSignal source quantity be 0, then keep little base station
TD uplink-downlink configuration Information invariabilities.
5. method according to claim 1 and 2, it is characterised in that the judgement
The Reference Signal Received Power RSRP of TD-LTE signals is more than predetermined power value PTHSignal
The step of whether source quantity is more than 1 includes：
According to the TD-LTE signals of detection, the RSRP of signal source is determined；
Whether the RSRP of each signal source of comparison is more than predetermined power value PTH；
Statistics RSRP is more than predetermined power value PTHSignal source quantity；
Judge the quantity whether more than 1.
6. it is a kind of for adjacent frequency Interference Detection with optimization little base station, it is characterised in that including inspection
Survey module, identification module, the first configuration acquisition module, comparison module and the first configuration modifications mould
Block, wherein：
Detection module, for detecting that surrounding whether there is TD-LTE signals；
Identification module, for when detection module detects surrounding and there is TD-LTE signals,
Judge that Reference Signal Received Power RSRP is more than predetermined power value PTHSignal source quantity whether
More than 1；
First configuration acquisition module, for the judged result according to identification module, if RSRP is big
In predetermined power value PTHSignal source quantity be more than 1, then obtain RSRP be more than PTHInstitute
There is the uplink-downlink configuration information of signal source；
Comparison module, for comparing the uplink-downlink configuration letter of the first configuration acquisition module acquisition
Whether breath is identical；
First configuration modifications module, for the comparative result according to comparison module, if the first configuration
The uplink-downlink configuration information that acquisition module is obtained is identical, then match somebody with somebody the identical up-downgoing
Confidence ceases the TD uplink-downlink configuration information as little base station.
7. little base station according to claim 6, it is characterised in that also including alarm module,
Wherein：
Alarm module, for the comparative result according to comparison module, if the first configuration acquisition module
The uplink-downlink configuration information for obtaining is differed, then send warning message to network management system.
8. the little base station according to claim 6 or 7, it is characterised in that also including second
Configuration acquisition module and the second configuration modifications module, wherein：
Second configuration acquisition module, for the judged result according to identification module, if RSRP is big
In predetermined power value PTHSignal source quantity be 1, then obtain the uplink-downlink configuration of the signal source
Information；
Second configuration modifications module, for the signal source of acquisition module acquisition is configured first
TD uplink-downlink configuration information of the uplink-downlink configuration information as little base station.
9. the little base station according to claim 6 or 7, it is characterised in that also including configuration
Module is kept, wherein：
Configuration keeps module, for the judged result according to identification module, if RSRP is more than pre-
Determine performance number PTHSignal source quantity be 0, then keep the TD uplink-downlink configuration information of little base station
It is constant.
10. the little base station according to claim 6 or 7, it is characterised in that identification module
Including power acquisition module, comparing unit, statistic unit and recognition unit, wherein：
Power acquisition module, for the TD-LTE signals detected according to detection module, it is determined that letter
The RSRP in number source；
Whether comparing unit, the RSRP for each signal source of comparison are more than predetermined power value
PTH；
Statistic unit, for counting RSRP more than predetermined power value PTHSignal source quantity；
Recognition unit, for judging the quantity whether more than 1.
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