CN108075846A - A kind of base station interference detection method and device - Google Patents
A kind of base station interference detection method and device Download PDFInfo
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- CN108075846A CN108075846A CN201611020596.7A CN201611020596A CN108075846A CN 108075846 A CN108075846 A CN 108075846A CN 201611020596 A CN201611020596 A CN 201611020596A CN 108075846 A CN108075846 A CN 108075846A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
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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 kind of base station interference detection method and devices, are related to base station and communication system field, the described method includes：It is detected by the received signal strength to base station uplink receiving channel, judges whether that interference incident occurs；When judging interference incident has occurred, start base station Auto-Sensing Mode；After base station Auto-Sensing Mode is started, under conditions of Base Transmitter passage is closed, the first received signal strength of base station uplink receiving channel and the second received signal strength of part receiving channel are obtained by detection；According to first received signal strength and the second received signal strength, determine to disturb outside from inside of base station or from base station.The embodiment of the present invention increases base station Auto-Sensing Mode on the basis of general RRU frameworks, in such a mode, can judge that interference is outside base station or internal by detecting the received signal strength of receiving channel.
Description
Technical field
The present invention relates to base station and communication system field, more particularly to a kind of base station interference detection method and device.
Background technology
As major operator constantly expands base station site, field frequently occurs bottom and makes an uproar high or received signal strength indicator outside
The phenomenon that (Received Signal Strength Indication, RSSI) is high, at this time it needs to be determined that interference is external disturbance
Or internal interference.
When positioning whether be external disturbance when, it is necessary to antenna opening using matched load replace antenna, then made an uproar the bottom of by
Whether normally judge to ask by external disturbance or by Remote Radio Unit (Remote Radio Unit, RRU) own channels
Caused by topic.
Said program can the high RSSI phenomenons of accurate judgement the problem of whether being RRU, but the operability in outfield is low.
The content of the invention
A kind of base station interference detection method and device provided according to embodiments of the present invention, can determine causes high RSSI's
The reason is that external disturbance or internal interference.
A kind of base station interference detection method provided according to embodiments of the present invention, including：
It is detected by the received signal strength to base station uplink receiving channel, judges whether that interference incident occurs；
When judging interference incident has occurred, start base station Auto-Sensing Mode；
After base station Auto-Sensing Mode is started, under conditions of Base Transmitter passage is closed, base station uplink is obtained by detection
First received signal strength of receiving channel and the second received signal strength of part receiving channel；
According to first received signal strength and the second received signal strength, interference is determined from inside of base station or is derived from
Outside base station.
Preferably, the received signal strength by base station uplink receiving channel is detected, and judges whether to send out
Raw interference incident includes：
The reception signal of detection base station uplink receiving channel in real time, obtains received signal strength；
If the real-time received signal strength for detecting obtained base station uplink receiving channel is more than alarming threshold value, sentence
It is disconnected that interference incident has occurred.
Preferably, it is described that first received signal strength of base station uplink receiving channel and part reception are obtained by detection
Second received signal strength of passage includes：
The channel conductive between circulator and receiving module by controlling the base station, detection include antenna, wave filter,
Circulator, receiving module base station uplink receiving channel the first received signal strength；
Passage between circulator and receiving module by controlling the base station disconnects, and detection includes the portion of receiving module
Divide the second received signal strength of receiving channel.
Preferably, it is described according to first received signal strength and the second received signal strength, determine that interference is derived from
Inside of base station includes from base station outside：
If the difference of first received signal strength and the second received signal strength is within a preset range, it is determined that interference source
From inside of base station, otherwise determine that interference is derived from outside base station.
Preferably, first received signal strength and the second received signal strength are detected in the identical time slot of same frame,
Or first received signal strength and the second received signal strength are detected respectively in the identical time slot of different frame.
Preferably, in a tdd system, only time slot closing Base Transmitter passage is being received.
The storage medium provided according to embodiments of the present invention, storage are used to implement the journey of above-mentioned base station interference detection method
Sequence.
A kind of base station interference detecting apparatus provided according to embodiments of the present invention, including：
Digital signal processing module, for being detected by the received signal strength to base station uplink receiving channel, judgement is
No generation interference incident when judging interference incident has occurred, starts base station Auto-Sensing Mode；
Control module, for after base station Auto-Sensing Mode is started, closing Base Transmitter passage；
Wherein, under conditions of the control module is turned off Base Transmitter passage, the digital module is by detecting
To the first received signal strength of base station uplink receiving channel and the second received signal strength of part receiving channel, and according to institute
The first received signal strength and the second received signal strength are stated, determines to disturb outside from inside of base station or from base station.
Preferably, the digital signal processing module detects the reception signal of base station uplink receiving channel in real time, obtains receiving letter
Number intensity if the real-time received signal strength for detecting obtained base station uplink receiving channel is more than alarming threshold value, is sentenced
It is disconnected that interference incident has occurred.
Preferably, when the control module controls the channel conductive between the circulator and receiving module of the base station,
Digital signal processing module detection includes antenna, wave filter, circulator, the base station uplink receiving channel of receiving module and first connects
Signal strength is received, and when the passage disconnection between the circulator and receiving module of the control module control base station, it is described
Digital signal processing module detection includes the second received signal strength of the part receiving channel of receiving module.
Preferably, the digital signal processing module exists in the difference of first received signal strength and the second received signal strength
It when in preset range, determines that interference is derived from inside of base station, otherwise determines that interference is derived from outside base station.
Preferably, the digital signal processing module detects first received signal strength and the in the identical time slot of same frame
Two received signal strengths detect first received signal strength and the second reception signal respectively in the identical time slot of different frame
Intensity.
Preferably, when described device is applied in TDD system, only time slot closing Base Transmitter passage is being received.
Technical solution provided in an embodiment of the present invention has the advantages that：
The embodiment of the present invention increases base station Auto-Sensing Mode, in such a mode, Ke Yitong on the basis of general RRU frameworks
Cross detection receiving channel received signal strength come determine interference be derived from base station outside or inside, that is, determine be external disturbance also
It is that RRU own channels problems cause RSSI higher, operability is high.
Description of the drawings
Fig. 1 is interference detection method block diagram in base station provided in an embodiment of the present invention；
Fig. 2 is interference detecting apparatus schematic diagram in base station provided in an embodiment of the present invention；
Fig. 3 is Auto-Sensing Mode flow chart provided in an embodiment of the present invention；
Fig. 4 is the first sequence diagram of Auto-Sensing Mode provided in an embodiment of the present invention；
Fig. 5 is the second sequence diagram of Auto-Sensing Mode provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with attached drawing to a preferred embodiment of the present invention will be described in detail, it should be understood that described below is excellent
Embodiment is selected to be merely to illustrate and explain the present invention, is not intended to limit the present invention.
Fig. 1 is interference detection method block diagram in base station provided in an embodiment of the present invention, as shown in Figure 1, step includes：
Step S101：It is detected by the received signal strength to base station uplink receiving channel, judges whether to occur dry
Disturb event.
Step S101 includes：The reception signal of detection base station uplink receiving channel in real time, obtains received signal strength, if should
Received signal strength is more than alarming threshold value, then judges interference incident has occurred.Wherein, the reception signal includes spacing wave
With entire receiver noise signal.
Step S102：When judging interference incident has occurred, start base station Auto-Sensing Mode.
Step S103：After base station Auto-Sensing Mode is started, under conditions of Base Transmitter passage is closed, obtained by detection
First received signal strength of base station uplink receiving channel and the second received signal strength of part receiving channel.
Step S103 includes：To detect the received signal strength of receiving channel, it is necessary to close Base Transmitter during the self-test of base station
Passage.Then, by the channel conductive between the circulator and receiving module of control base station or disconnection, detection respectively includes day
Line, wave filter, circulator, receiving module base station uplink receiving channel the first received signal strength and including receive mould
Second received signal strength of the part receiving channel of block.
That is, the first received signal strength and the second received signal strength need receiving time slot detection, therefore need
Electricity, receiving channel under transmission channel is controlled to power on.During detection, by the way that the access between circulator and receiving module is controlled to lead
It is logical, the first reception signal of complete base station uplink receiving channel is detected, obtains the first received signal strength, this first
Receiving signal includes spacing wave and entire receiver noise signal；By the way that the access between circulator and receiving module is controlled to break
Open, realize and the second of part receiving channel the reception signal is detected, obtain the second received signal strength, due to circulator with
Access between receiving module disconnects, which does not include spacing wave and circulator to the reception between antenna
The noise signal of passage.
It is received it should be noted that first received signal strength and second can be detected in the identical time slot of same frame
Signal strength can also detect first received signal strength respectively in the identical time slot of different frame and the second reception signal is strong
Degree.
It should be noted that for TDD system, can time slot only be being received, close Base Transmitter passage, detection above-mentioned the
One received signal strength and the second received signal strength, and in transmission time slot, it can be transmitted with normally-open Base Transmitter passage
Number.
Step S104：According to first received signal strength and the second received signal strength, determine that interference is derived from base station
It is internal or from base station outside.
Step S104 includes：If the difference of first received signal strength and the second received signal strength is in preset range
It is interior, it is determined that interference is derived from inside of base station, otherwise determines that interference is derived from outside base station.
The embodiment of the present invention is suitable for the Interference Detection of TDD system base station RRU, by Remote configuration RRU, can reach and sentence
The purpose that trunk snap is disturbed.
It will appreciated by the skilled person that implement the method for the above embodiments be can be with
Relevant hardware is instructed to complete by program, the program can be stored in computer read/write memory medium, should
Program upon execution, including step S101 to step S104.Wherein, the storage medium can be ROM/RAM, magnetic disc, light
Disk etc..
Fig. 2 is interference detecting apparatus schematic diagram in base station provided in an embodiment of the present invention, as shown in Fig. 2, including：Digital processing
Module, control module, transmitting module, receiving module, switch (switch module i.e. shown in Fig. 2), high power load, circulator,
Wave filter, antenna.Wherein：
Base band data is converted into analog signal and passes to transmitting module by digital signal processing module, and receiving module is exported
After signal carries out analog-to-digital conversion and carries out corresponding digital processing, Base-Band Processing is passed to.
After transmitting module carries out signal the processing such as up-conversion, amplification, filtering, inputted from 1 port of circulator, 2 ports
Output, the filtering of filtered device module (wave filter i.e. shown in Fig. 2) are launched by antenna.
Receiving module is amplified uplink signal, filtering, after the processing such as down coversion, is sent to digital signal processing module.
Switch module input terminal is 1 port, and 2,3 port of output terminal, 2 ports connection receiving module, 3 ports connect big work(
Rate matched load (high power load i.e. shown in Fig. 2).When 1 and 2 ports of switch module turn on, reception mould has actually been connected
The signal path (being equivalent to the base station uplink receiving channel described in Fig. 1 embodiments) of block and circulator, wave filter and antenna, at this time
The bottom of the receiving path of reading is made an uproar or received signal strength is that (including antenna, wave filter is annular with entire receiver for spacing wave
Device and receiving module) noise summation.When 1 and 3 ports of switch module turn on, actual receiving module and circulator are disconnected
It opens, the bottom of the receiving path read at this time is made an uproar or received signal strength is only made an uproar in fact comprising receiving module and its later link
Sound.
Control module is used for control receiver module and the power supply control of transmitting module and the channel selecting of switch module.
Wherein, after the uplink signal is received by antenna, the filtering process of filtered device module, from the 2 of circulator
Port inputs, and the output of 3 ports is inputted by 1 port of switch module, and the output of 2 ports is handled into receiving module.
In the normal mode of operation, the control on hardware is as follows：Receiving time slot, 1) electricity, receiving module under transmitting module
It powers on, receives signal；2) the 1 and 2 ports conducting of switch module.In transmission time slot, 1) transmitting module is powered on, signaled, receives
It is electric under module；2) the 1 and 3 ports conducting of switch module.
In the normal mode of operation, signal processing is as follows：When receiving time slot, the electromagnetic wave of antenna reception space simultaneously leads to
After wave filter filtering, after being inputted by 2 port of circulator, exported from 3 port of circulator, at this time receiver channel selector module
1 and 2 ports conducting, signal by after switch by receiving module reach digital signal processing module carry out relevant treatment.During transmitting
During gap, signal inputs 2 ports from 1 port of circulator by transmitting module by digital signal processing module and exports, filtered device filtering
Afterwards, gone out by aerial radiation, at this time the 1 of receiver channel selector module and the conducting of 3 ports, simply examined under usual such state
Having considered transmission channel signal counter will not be poured into the device that receiving channel burns out front end.
The embodiment of the present invention adds a kind of Auto-Sensing Mode on the basis of general RRU frameworks, in such a mode, can be with
It is made an uproar by detecting receiving channel bottom or received signal strength is come to judge interference be outside RRU or internal.
Under Auto-Sensing Mode, digital signal processing module is examined by the received signal strength to base station uplink receiving channel
It surveys, if detecting obtained received signal strength in real time is more than alarming threshold value, judges interference incident occurs, and start base station certainly
Inspection pattern.After base station Auto-Sensing Mode is started, control module closes Base Transmitter passage.It is being turned off the item of Base Transmitter passage
Under part, the digital module obtains the first received signal strength of base station uplink receiving channel and part receiving channel by detection
The second received signal strength, and according to first received signal strength and the second received signal strength, in particular by sentencing
Whether within a preset range the difference of disconnected first received signal strength and the second received signal strength, determines that interference is derived from base station
Outside inside RRU or from base station.
It should be noted that first received signal strength and the second received signal strength can be in the identical of same frame
Time slot detects respectively, can also respectively be detected in the identical time slot of different frame.
Under Auto-Sensing Mode, the control received on time slot hardware is as follows：Receiving time slot, 1) electricity under transmitting module, it receives
Module powers on, and receives signal；2) the 1 and 2 ports conducting of switch module, reads RSSI12；3) 1 and 3 ports of switch module are led
It is logical, read RSSI13；4) RSSI12 and RSSI13 is compared, judges whether interference is to be generated inside receiver.
When described device is applied in TDD system, only time slot closing Base Transmitter passage is being received.As it can be seen that the present embodiment
During applied in TDD system, Auto-Sensing Mode is not related to transmission time slot.
Under Auto-Sensing Mode, the module related generally to includes：Control module, detection module and judgment module, wherein, detection
Module and the function of judgment module can be realized by digital signal processing module.The function of modules includes under Auto-Sensing Mode：
Control module：1st, passage is controlled and received to power on；2nd, switch module is controlled to turn on 1 and 3 ports；3rd, switch module is controlled
Turn on 1 and 2 ports；
Detection module：Receiving channel signal strength (i.e. RSSI) is read, including 1, in switch module conducting 1 and 3 port
Read RSSI13 (i.e. the first received signal strength of base station uplink receiving channel)；2nd, read in switch module conducting 1 and 2 port
Take RSSI12 (i.e. the second received signal strength of part receiving channel)；
Judgment module：By the value of RSSI13 and RSSI12 come judge interference be outside RRU or internal, if
RSSI12 is more than RSSI13 and difference is more than preset range, then interference is outside RRU, is otherwise inside RRU.
Fig. 3 is Auto-Sensing Mode flow chart provided in an embodiment of the present invention, as shown in figure 3, step includes：
Step S201：Receiving channel bottom is made an uproar height, is made an uproar into a certain bottom and high is received time slot Auto-Sensing Mode.
When receiving channel RSSI is more than alarming threshold value Ta, it is high, it is necessary into base station self-test to illustrate that receiving channel bottom is made an uproar
Pattern.For example, receiving channel RSSI is -70dBm, alarming threshold value Ta is -80dBm, then it is assumed that receiving channel bottom is made an uproar height.
Step S202：Control module controls and receives passage and powers on, and switch module is controlled to turn on 1 and 3 ports.
Step S203：Detection module reads receiving channel received signal strength, is denoted as RSSI13.
Step S204：Control module controls and receives passage and powers on, and switch module is controlled to turn on 1 and 2 ports.
Step S205：Detection module reads receiving channel received signal strength, is denoted as RSSI12
Step S206：Judgment module judge RSSI12 and RSSI13 difference whether in preset range [0, Tb] outside, that is, sentence
Whether the difference of disconnected RSSI12 and RSSI13 is more than preset difference value thresholding Tb, if so, performing step S207, otherwise performs step
S208。
Step S207：Judgment module determines interference outside RRU.
Step S208：Judgment module determines interference inside RRU.
Fig. 4 is the first sequence diagram of Auto-Sensing Mode provided in an embodiment of the present invention, as shown in figure 4, RSSI12 and RSSI13 exist
The identical time slot of different frame is read.
Application Example one
When base station, discovery RSSI is higher from the background, when suspection has interference, can enter base station Auto-Sensing Mode, not change base station
On the basis of basic configuration, the time slot (SLOT) of some RSSI high is found, distinguishes read switch in the identical time slot of different frame
Whether RSSI12 when RSSI13 and 1 and 2 port of switch module when 1 and 3 port of module turns on are turned on, comparison RSSI12 compare
RSSI13 is higher by preset difference value thresholding Tb, if so, may determine that the reason for RSSI is higher outside base station, otherwise illustrates RSSI
The reason for higher, is in base station channel interior.
Application Example two
When base station, discovery RSSI is higher from the background, when suspection has interference, can enter base station Auto-Sensing Mode, pass through backstage configuration
It is fixed, a certain ascending time slot (SLOT) is configured to Auto-Sensing Mode, in the identical time slot difference read switch module 1 of different frame
Whether RSSI12 when RSSI13 and 1 and 2 port of switch module when being turned on 3 ports are turned on, comparison RSSI12 compare RSSI13
Preset difference value thresholding Tb is higher by, if so, may determine that the reason for RSSI is higher outside base station；Otherwise illustrate that RSSI is higher
Reason is in base station channel interior.
Such case can carry out time slot scanning one by one to interference, judge which time slot interference is appeared on.
Fig. 5 is the second sequence diagram of Auto-Sensing Mode provided in an embodiment of the present invention, as shown in figure 5, RSSI12 and RSSI13 exist
The identical time slot of same frame is read.
Application Example three
When base station, discovery RSSI is higher from the background, when suspection has interference, can enter base station Auto-Sensing Mode, not change base station
On the basis of basic configuration, the time slot (SLOT) of some RSSI high is found, distinguishes read switch in the identical time slot of same frame
Whether RSSI12 when RSSI13 and 1 and 2 port of switch module when 1 and 3 port of module turns on are turned on, comparison RSSI12 compare
RSSI13 is higher by preset difference value thresholding Tb, if so, may determine that the reason for RSSI is higher outside base station, otherwise illustrates RSSI
The reason for higher, is in base station channel interior.
Application Example four
When base station, discovery RSSI is higher from the background, when suspection has interference, can enter base station Auto-Sensing Mode, pass through backstage configuration
Fixed a certain ascending time slot (SLOT) is configured to Auto-Sensing Mode, distinguishes read switch module 1 and 3 ends in the identical time slot of same frame
RSSI12 when RSSI13 and 1 and 2 port of switch module during mouth conducting are turned on, it is pre- whether comparison RSSI12 is higher by than RSSI13
If difference threshold Tb, if so, may determine that the reason for RSSI is higher outside base station；Otherwise illustrate that the reason for RSSI is higher exists
Base station channel interior.
Such case can carry out time slot scanning one by one to interference, judge which time slot interference is appeared on.
For the RRU of LTE standards, by taking 20MHz bandwidth as an example, RSSI when noiseless horizontal, the general base for -98dBm
It stands if alarm RSSI high, threshold value is more than -80dBm.It is since RRU external signals are produced that if the RSSI for being somebody's turn to do -80dBm, which is raised,
It is raw, then during Auto-Sensing Mode, RSSI12=-80dBm, RSSI13=-98dBm.If RSSI12=-80dBm, RSSI13
It is horizontal in -80dBm, then it is higher the reason in base station channel interior.For the external interference signals of bigger, such as -40dBm,
So Auto-Sensing Mode when, RSSI12=-40dBm, the RSSI13=-85dBm (isolation of antenna opening and switch module port 3
45dB).If internal cause, RSSI12 and RSSI13 are suitable.
In conclusion the embodiment of the present invention has following technique effect：
The embodiment of the present invention adds the method for matched load in antenna port when can substitute the higher fault location of current RSSI,
By backstage remote operation, the upper station operation of worker is not required, manpower and materials are greatly saved.
Although the present invention is described in detail above, but the invention is not restricted to this, those skilled in the art of the present technique
It can be carry out various modifications with principle according to the present invention.Therefore, all modifications made according to the principle of the invention, all should be understood to
Fall into protection scope of the present invention.
Claims (12)
1. a kind of base station interference detection method, including：
It is detected by the received signal strength to base station uplink receiving channel, judges whether that interference incident occurs；
When judging interference incident has occurred, start base station Auto-Sensing Mode；
After base station Auto-Sensing Mode is started, under conditions of Base Transmitter passage is closed, base station uplink receiving is obtained by detection
First received signal strength of passage and the second received signal strength of part receiving channel；
According to first received signal strength and the second received signal strength, determine interference from inside of base station or from base station
It is external.
2. according to the method described in claim 1, the received signal strength by base station uplink receiving channel carries out
Detection judges whether that interference incident, which occurs, to be included：
The reception signal of detection base station uplink receiving channel in real time, obtains received signal strength；
If the real-time received signal strength for detecting obtained base station uplink receiving channel is more than alarming threshold value, judge
Generation interference incident.
3. according to the method described in claim 1, first reception that base station uplink receiving channel is obtained by detection is believed
Second received signal strength of number intensity and part receiving channel includes：
The channel conductive between circulator and receiving module by controlling the base station, detection include antenna, wave filter, annular
Device, receiving module base station uplink receiving channel the first received signal strength；
Passage between circulator and receiving module by controlling the base station disconnects, and the part that detection includes receiving module connects
Receive the second received signal strength of passage.
It is 4. according to the method described in claim 1, described strong according to first received signal strength and the second reception signal
Degree determines that interference includes from inside of base station or from base station outside：
If the difference of first received signal strength and the second received signal strength is within a preset range, it is determined that interference is derived from base
It stands internal, otherwise determines that interference is derived from outside base station.
5. according to the method described in any of claim 1 to 4, letter is received in the identical time slot detection described first of same frame
Number intensity and the second received signal strength detect first received signal strength and respectively in the identical time slot of different frame
Two received signal strengths.
6. according to the method described in claim 5, in a tdd system, only receiving time slot closing Base Transmitter passage.
7. a kind of base station interference detecting apparatus, including：
Digital signal processing module for being detected by the received signal strength to base station uplink receiving channel, judges whether to send out
Raw interference incident when judging interference incident has occurred, starts base station Auto-Sensing Mode；
Control module, for after base station Auto-Sensing Mode is started, closing Base Transmitter passage；
Wherein, under conditions of the control module is turned off Base Transmitter passage, the digital module obtains base by detection
It stands the first received signal strength of uplink receiving channel and the second received signal strength of part receiving channel, and according to described
One received signal strength and the second received signal strength determine to disturb outside from inside of base station or from base station.
8. device according to claim 7, the digital signal processing module detects the reception of base station uplink receiving channel in real time
Signal obtains received signal strength, if the real-time received signal strength for detecting obtained base station uplink receiving channel is more than
Alarming threshold value then judges interference incident has occurred.
9. device according to claim 7, when the control module control the base station circulator and receiving module it
Between channel conductive when, digital signal processing module detection includes the base station uplink of antenna, wave filter, circulator, receiving module
First received signal strength of receiving channel, and when the control module is controlled between the circulator and receiving module of the base station
Passage disconnect, digital signal processing module detection includes the second received signal strength of the part receiving channel of receiving module.
10. device according to claim 7, the digital signal processing module connects in first received signal strength and second
It when receiving the difference of signal strength within a preset range, determines that interference is derived from inside of base station, otherwise determines that interference is derived from outside base station.
11. according to the device described in claim 7-10 any one, the digital signal processing module is in the identical time slot of same frame
It detects first received signal strength and the second received signal strength or detects described respectively in the identical time slot of different frame
One received signal strength and the second received signal strength.
12. according to the devices described in claim 11, described device is applied in TDD system, only time slot closing base is being received
It stands transmission channel.
Priority Applications (2)
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|---|---|---|---|
| CN201611020596.7A CN108075846B (en) | 2016-11-17 | 2016-11-17 | Base station interference detection method and device |
| PCT/CN2017/108164 WO2018090814A1 (en) | 2016-11-17 | 2017-10-28 | Base station interference detection method and apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611020596.7A CN108075846B (en) | 2016-11-17 | 2016-11-17 | Base station interference detection method and device |
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| CN108075846A true CN108075846A (en) | 2018-05-25 |
| CN108075846B CN108075846B (en) | 2021-06-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444835A (en) * | 2018-11-16 | 2019-03-08 | 北京遥感设备研究所 | A kind of receiving channel self checking method and system based on standing wave reflection |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112153695B (en) * | 2020-08-20 | 2023-05-12 | 惠州拓邦电气技术有限公司 | Base station anti-interference method, device and system |
| CN114125913B (en) * | 2021-11-08 | 2023-12-08 | 中信科移动通信技术股份有限公司 | Distributed pico-base station interference positioning method and system |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108075846B (en) | 2021-06-18 |
| WO2018090814A1 (en) | 2018-05-24 |
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