CN104301901A - Method, device and system for detecting intersystem interference of mobile communication - Google Patents
Method, device and system for detecting intersystem interference of mobile communication Download PDFInfo
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- CN104301901A CN104301901A CN201310305936.0A CN201310305936A CN104301901A CN 104301901 A CN104301901 A CN 104301901A CN 201310305936 A CN201310305936 A CN 201310305936A CN 104301901 A CN104301901 A CN 104301901A
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Abstract
The invention provides a method, device and system for detecting intersystem interference of mobile communication, and aims at solving the problem that interference of a GSM system in a TD-LTE system cannot be correctly and effectively detected in the prior art. The method comprises that a TD-LTE base station indicates a GSM base station to carry out interference detection for at least twice; in each interference detection, the TD-LTE base station measures uplink IoT, in the first interference detection, the TD-LTE base station measures the uplink IoT under the condition that the GSM base station does not send GSM signals, and in other interference detection, the TD-LTE base station measures the uplink IoT under the condition that the GSM base station sends GSM signals; and according to the upload IoT values measured in different detection and a predetermined interference threshold, the TD-LTE base station determines interference of the GSM system in the TD-LTE system. It is not required to examine and position interference manually, and the detection result is accurate and effective.
Description
Technical field
The present invention relates to mobile communication system, especially relate to the detection method, the Apparatus and system that disturb between a kind of mobile communication system.
Background technology
In a wireless communication system, inter-system interference is the key factor of each systematic function when affecting condition of multi-system coexistence always.
Time-division Long Term Evolution (TD-LTE, Time Division Long Term Evolution) system likely adopt F-band to dispose in future, and global system for mobile communications (GSM, Global System for Mobile Communication) second harmonic signal (1870MHz ~ 1908MHz) of system signal (935MHz ~ 954MHz) of existing network will have very major part to drop in F-band band, cause the interference to TD-LTE signal (1880MHz ~ 1920MHz) in F-band, specifically can be as shown in Figure 1.Particularly for the up link of TD-LTE system, because terminal transmit power is limited, the terminal uplink signal level that TD-LTE base station side receives is more weak, if now the isolation of two systems is inadequate, TD-LTE base station will receive the stronger second harmonic signal from gsm system, cause the deterioration of TD-LTE ascending performance.
In prior art, in order to head it off, first, at the networking initial stage, independently scene is built for GSM antenna and TD-LTE antenna, give strict engineering quarantine measures, road is closed for GSM antenna and TD-LTE antenna and builds scene, give strict passive device and the index request of antenna; Secondly, in the network optimization stage, as occurred, TD-LTE system performance is not up to standard, by manually investigating location interference reason.But prior art also exists larger problem, on the one hand, the scene that antenna is independently built is by actual scene and environmental limit, and a lot of web construction condition does not reach engineering insulation request, can only manually investigate after appearance interference; On the other hand, close in the scene of building on road at antenna, the antenna index initial stage may meet the demands, and the problems such as device aging likely appear in the later stage, when there is interference problem, also can only manually investigate.And the method efficiency manually investigating location interference is lower, accuracy rate is low, consume a large amount of manpower and materials.
Visible, correctly cannot effectively detect the interference of gsm system to TD-LTE system in prior art.
Summary of the invention
The embodiment of the present invention provides the detection method, the Apparatus and system that disturb between a kind of mobile communication system, correctly cannot effectively detect the problem of gsm system to the interference of TD-LTE system in order to solve in prior art.
Embodiment of the present invention technical scheme is as follows:
The detection method disturbed between mobile communication system, comprising: at least twice Interference Detection is carried out in instruction GSM base station, TD-LTE base station; In each Interference Detection, described TD-LTE base station measurement is up dryly makes an uproar than (IoT, Interference over Thermal), wherein, the up IoT obtained measured by first time Interference Detection, be that described GSM base station measures when not sending GSM signal according to described instruction, the up IoT obtained measured by other each Interference Detection except first time Interference Detection is that described GSM base station measures when sending GSM signal according to described instruction; The interference of described GSM base station to described TD-LTE base station, according to the up IoT value measured in each Interference Detection and predetermined interference threshold, is determined in described TD-LTE base station.
The checkout gear disturbed between mobile communication system, comprising: monitoring modular, is used to indicate GSM base station and carries out at least twice Interference Detection; In each Interference Detection, measure up IoT, wherein, the up IoT obtained measured by first time Interference Detection, that described GSM base station measures when not sending GSM signal according to described instruction, the up IoT obtained measured by other each Interference Detection except first time Interference Detection is that described GSM base station measures when sending GSM signal according to described instruction; Determination module, for the up IoT value measured in each Interference Detection according to described monitoring modular and predetermined interference threshold, determines the interference of described GSM base station to TD-LTE base station belonging to described device.
The detection system disturbed between mobile communication system, comprising: TD-LTE base station, is used to indicate GSM base station and carries out at least twice Interference Detection; In each Interference Detection, the up IoT of described TD-LTE base station measurement, wherein, wherein, the up IoT obtained measured by first time Interference Detection, be that described GSM base station measures when not sending GSM signal according to described instruction, the up IoT obtained measured by other each Interference Detection except first time Interference Detection is that described GSM base station measures when sending GSM signal according to described instruction; The interference of described GSM base station to described TD-LTE base station, according to the up IoT value measured in each Interference Detection and predetermined interference threshold, is determined in described TD-LTE base station; GSM base station, carries out at least twice Interference Detection for the instruction according to TD-LTE base station, in first time Interference Detection, does not send GSM signal according to described instruction; In other each Interference Detection except first time Interference Detection, send GSM signal according to described instruction.
In the technical scheme of the embodiment of the present invention, TD-LTE base station instruction GSM carries out at least twice Interference Detection, in each Interference Detection, the up IoT of described TD-LTE base station measurement, wherein, in first time Interference Detection, GSM base station does not send GSM signal, TD-LTE measures the up IoT when GSM base station does not send GSM signal, except first time Interference Detection except other each Interference Detection in, GSM base station sends GSM signal, TD-LTE measures the up IoT when GSM base station sends GSM signal, and TD-LTE base station is according to the up IoT value measured and predetermined interference threshold at every turn, determine the interference of GSM base station to TD-LTE base station, in Interference Detection process, by means of only TD-LTE base station measurement GSM base station at the up IoT value do not sent under GSM signal and transmission GSM RST and predetermined interference threshold, just can determine to obtain the disturbed condition of GSM base station to TD-LTE base station, do not need manually to investigate location interference, thus can solve in prior art and correctly cannot effectively detect the problem of gsm system to the interference of TD-LTE system.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the present invention.Object of the present invention and other advantage realize by structure specifically noted in write specification, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that gsm system disturbs the second harmonic of TD-LTE system;
The structured flowchart of the detection system disturbed between the mobile communication system that Fig. 2 provides for the embodiment of the present invention;
The workflow diagram of the detection method disturbed between the mobile communication system that Fig. 3 provides for the embodiment of the present invention;
The structured flowchart of the checkout gear disturbed between the mobile communication system that Fig. 4 provides for the embodiment of the present invention;
The workflow diagram that the detection method disturbed between the mobile communication system that Fig. 5 provides for the embodiment of the present invention is specifically implemented.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described, should be appreciated that embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Correctly cannot effectively detect the problem of gsm system to the interference of TD-LTE system in prior art, embodiments provide the detection scheme disturbed between a kind of mobile communication system, in order to solve this problem.
In the technical scheme of the embodiment of the present invention, TD-LTE base station instruction GSM carries out at least twice Interference Detection, in each Interference Detection, the up IoT of described TD-LTE base station measurement, wherein, in first time Interference Detection, GSM base station does not send GSM signal, TD-LTE measures the up IoT when GSM base station does not send GSM signal, except first time Interference Detection except other each Interference Detection in, GSM base station sends GSM signal, TD-LTE measures the up IoT when GSM base station sends GSM signal, and TD-LTE base station is according to the up IoT value measured and predetermined interference threshold at every turn, determine the interference of GSM base station to TD-LTE base station, in Interference Detection process, by means of only TD-LTE base station measurement GSM base station at the up IoT value do not sent under GSM signal and transmission GSM RST and predetermined interference threshold, just can determine to obtain the disturbed condition of GSM base station to TD-LTE base station, do not need manually to investigate location interference, thus correctly can effectively determine the disturbed condition of GSM base station to TD-LTE base station.
Below the embodiment of the present invention is described in detail.
Fig. 2 shows the structured flowchart of the detection system disturbed between mobile communication system that the embodiment of the present invention provides, and this system comprises:
TD-LTE base station 21, is used to indicate GSM base station 22 and carries out at least twice Interference Detection; In each Interference Detection, up IoT is measured in described TD-LTE base station 21, wherein, wherein, the up IoT obtained measured by first time Interference Detection, be that described GSM base station 22 measures when not sending GSM signal according to described instruction, the up IoT obtained measured by other each Interference Detection except first time Interference Detection is that described GSM base station 22 measures when sending GSM signal according to described instruction; The interference of described GSM base station 22 to described TD-LTE base station 21, according to the up IoT value measured in each Interference Detection and predetermined interference threshold, is determined in described TD-LTE base station 21;
GSM base station 22, carries out at least twice Interference Detection for the instruction according to TD-LTE base station 21, in first time Interference Detection, does not send GSM signal according to described instruction; In other each Interference Detection except first time Interference Detection, send GSM signal according to described instruction.
Below the operation principle of TE-LTE base station is described in detail.
Fig. 3 shows the workflow diagram of the detection method disturbed between mobile communication system that the embodiment of the present invention provides, and the method comprises:
Step 301, instruction GSM base station, TD-LTE base station carry out at least twice Interference Detection;
Particularly, due to usually can interference be there is within certain geographic range between communication system, interference after exceeding this geographic range between communication system is not remarkable or noiseless, then, the instruction of TD-LTE base station carries out at least twice Interference Detection within a predetermined period of time with the GSM base station of TD-LTE base station distance predetermined geographic scope, thus can detect the disturbed condition of GSM base station to TD-LTE base station for correct GSM base station; Preferably, the GSM base station within the scope of predetermined geographic has multiple, Interference Detection is carried out to the instruction of each GSM base station one by one in TD-LTE base station, effectively can investigate and navigate to the most serious GSM base station of disturbed condition;
Preferably, the predetermined amount of time carrying out Interference Detection can be the time period that the telephone traffic of the system determined according to the concrete ruuning situation of network is less, can drop to minimum on the communication impact of GSM base station like this; Be understandable that, if in network planning simulation, also Interference Detection can be carried out in other predetermined amount of time in simulated environment;
Step 302, in each Interference Detection, the up IoT of described TD-LTE base station measurement, wherein, the up IoT obtained measured by first time Interference Detection, that described GSM base station measures when not sending GSM signal according to described instruction, the up IoT obtained measured by other each Interference Detection except first time Interference Detection is that described GSM base station measures when sending GSM signal according to described instruction;
Preferably, in other except first time Interference Detection detects at every turn, GSM base station all sends GSM signal according to instruction in whole GSM signal bandwidth, then, the up IoT obtained measured by other each Interference Detection except first time Interference Detection is that TD-LTE base station measures when described GSM base station sends GSM signal according to described instruction in whole GSM signal bandwidth;
Step 303, described TD-LTE base station, according to the up IoT value measured in each Interference Detection and predetermined interference threshold, determine the interference of described GSM base station to described TD-LTE base station;
Particularly, the up IoT value measured at every turn being detected by other except first time Interference Detection of TD-LTE base station is all defined as the lifting of making an uproar of the up end respectively and disturbs with the absolute value of the difference of up IoT value measured in first time Interference Detection, namely, Ri=|IoTi-IoT1|, Ri is lifting interference of making an uproar at the up end corresponding to i-th up IoT value, up IoTi is the up IoT value of i-th Interference Detection, up IoT1 be first time Interference Detection up IoT value, i be more than or equal to 2 natural number;
When each up end make an uproar lifting interference weighted mean be greater than predetermined interference threshold, outputting alarm information; That is, exist
when, outputting alarm information, wherein, n for determine the up end obtained make an uproar lifting interference quantity, a
ithe predetermined weights of Ri; Preferably, when test condition is identical, such as, when testing in real network, the weights of each Ri can value equal, such as be 1, when test condition is not identical, such as, in network planning simulation, when carrying out Interference Detection in different time sections, the weights of different value can be set for the Ri corresponding to different time sections;
Further, interference threshold can also comprise at least two sub-interference thresholds, every corresponding alarm level of sub-interference threshold, then, when each up end make an uproar lifting interference weighted mean be greater than predetermined sub-interference threshold, export the warning information comprising alarm level corresponding to interference threshold with this, such as, according to the experience of network actual motion, when LTE is unloaded, gsm system can cause the TD-LTE up end to make an uproar lifting 5dB to the interference of TD-LTE system and second harmonic interference, when up IoT is 3dB/5dB/10dB, TD-LTE ceU edge rate drops to 10%/15%/20%, then, interference threshold can comprise three sub-interference thresholds, be respectively 3dB, 5dB and 10dB, the alarm level that 3dB is corresponding is three grades of alarms, the alarm level that 5dB is corresponding is secondary alarm, the alarm level that 10dB is corresponding is Level 1Alarming, be understandable that, according to the situation of the situation of the TD-LTE network operation and TD-LTE offered load, interference threshold or each sub-interference threshold can be set.By arranging the sub-interference threshold of different stage and the alarm level corresponding with sub-interference threshold, early warning or alarm can be carried out to disturbed condition in various degree.
In another embodiment of the invention, when Interference Detection is carried out in instruction at least two GSM base stations, TD-LTE base station, lifting of being made an uproar in the up end of each GSM base station to TD-LTE base station determining to obtain interference weighted sum be defined as total up end make an uproar lifting interference, when total up end make an uproar lifting interference be greater than predetermined interference threshold, outputting alarm information, that is,
when, outputting alarm information, wherein, m is the quantity of the GSM base station of carrying out Interference Detection, m be more than or equal to 2 natural number, Rj is lifting interference of making an uproar at the up end of a jth GSM base station to TD-LTE base station, bj is the weights of lifting interference of making an uproar the up end of a jth GSM base station, determine respectively the up end of each GSM base station to TD-LTE base station make an uproar lifting interference method described above, here repeat no more, the value of bj can set according to the needs of embody rule scene, such as, when testing in real network, the weights of each Rj can value equal, such as be 1, when test condition is not identical, such as in network planning simulation, according to the distance of GSM base station distance TE-LTE base station, different weights Rj can be set for the GSM base station of different distance.
According to above-mentioned processing procedure, Interference Detection is carried out by instruction GSM base station, TD-LTE base station, in Interference Detection process, by means of only TD-LTE base station measurement GSM base station at the up IoT value do not sent under GSM signal and transmission GSM RST and predetermined interference threshold, just can determine to obtain the disturbed condition of GSM base station to TD-LTE base station, do not need manually to investigate location interference, thus correctly can effectively determine the disturbed condition of GSM base station to TD-LTE base station.
Based on identical inventive concept, the embodiment of the present invention additionally provides the checkout gear disturbed between a kind of mobile communication system, and effectively, this device is arranged in TD-LTE base station.
Fig. 4 shows the structured flowchart of the checkout gear disturbed between mobile communication system that the embodiment of the present invention provides, and this device comprises:
Monitoring modular 41, is used to indicate GSM base station and carries out at least twice Interference Detection; In each Interference Detection, measure up IoT, wherein, the up IoT obtained measured by first time Interference Detection, that described GSM base station measures when not sending GSM signal according to described instruction, the up IoT obtained measured by other each Interference Detection except first time Interference Detection is that described GSM base station measures when sending GSM signal according to described instruction;
Particularly, monitoring modular 41 indicates GSM base station to carry out at least twice Interference Detection, specifically comprises: instruction carries out at least twice Interference Detection within a predetermined period of time with the GSM base station of TD-LTE base station distance predetermined geographic scope belonging to described device;
Preferably, monitoring modular 41 can also indicate at least two GSM base stations to carry out Interference Detection;
Determination module 42, is connected to monitoring modular 41, for the up IoT value measured in each Interference Detection according to described monitoring modular 41 and predetermined interference threshold, determines the interference of described GSM base station to TD-LTE base station belonging to described device;
Particularly, the up IoT value measured at every turn being detected by other except first time Interference Detection of determination module 42 is all defined as the lifting of making an uproar of the up end respectively and disturbs with the absolute value of the difference of up IoT value measured in first time Interference Detection; When each up end make an uproar lifting interference weighted mean be greater than predetermined interference threshold, outputting alarm information;
Preferably, described interference threshold comprises at least two sub-interference thresholds, every corresponding alarm level of sub-interference threshold; Then, determination module 42 when each up end make an uproar the weighted mean of lifting interference be greater than predetermined sub-interference threshold, export and comprise the warning information of alarm level corresponding to interference threshold with this;
Preferably, when monitoring modular 41 indicates at least two GSM base stations to carry out Interference Detection, determine respectively the up end of each GSM base station to TD-LTE base station belonging to described device make an uproar lifting interference, lifting of being made an uproar in the up end of each GSM base station to TD-LTE base station determining to obtain interference weighted sum be defined as total up end make an uproar lifting interference, when total up end make an uproar lifting interference be greater than predetermined interference threshold, outputting alarm information.
The operation principle of Fig. 4 shown device as shown in Figure 3, repeats no more here.
By the device shown in Fig. 4, also Interference Detection can be carried out by instruction GSM base station, in Interference Detection process, by means of only measuring GSM base station at the up IoT value do not sent under GSM signal and transmission GSM RST and predetermined interference threshold, just can determine to obtain the disturbed condition of GSM base station to TD-LTE base station, do not need manually to investigate location interference, thus correctly can effectively determine the disturbed condition of GSM base station to TD-LTE base station.
Below the situation that the present invention specifically implements is described.
Fig. 5 shows the workflow diagram that the detection method disturbed between mobile communication system that the embodiment of the present invention provides specifically is implemented, and this processing procedure comprises:
Interference Detection flow process between step 501, TD-LTE base station open system, sends first time detection to the GSM base station of within the scope of predetermined geographic and starts message;
Step 502, GSM base station receive TD-LTE send detection start message after, Interference Detection flow process between open system, to TD-LTE base station feedback detect acknowledge message;
Step 503, GSM base station detect beginning message according to receive first and temporarily stop sending GSM signal;
After step 504, TD-LTE base station receive the acknowledge message of GSM feedback, during transmission GSM signal is suspended in GSM base station, measure the up IoT1 that TD-LTE system is current;
Step 505, TD-LTE base station send to GSM base station and have detected message for the first time, and GSM base station receives after detection completes message recovers proper communication;
Step 506, TD-LTE base station send second time and detect beginning message to GSM base station;
Step 507, GSM base station receive after second time that TD-LTE base station issues detects and start message, send acknowledge message to TD-LTE base station;
Step 508, GSM base station send GSM signal in whole GSM signal bandwidth;
Step 509, TD-LTE base station during GSM base station sends GSM signal, detect the up IoT2 that TD-LTE base station is current after receiving second time detection confirmation;
Step 510, TD-LTE base station send second time and have detected message to GSM base station;
Step 511, GSM base station receive TD-LTE send second time has detected message after, Interference Detection flow process between ends with system, recovery proper communication;
Step 512, TD-LTE base station judge | whether the up IoT2|>R of up IoT1-sets up, R and predetermined interference threshold, the TD-LTE base station alarm when setting up; Further, when R comprises at least two sub-interference thresholds, according to | the contrast situation of the up IoT2| of up IoT1-and sub-interference threshold, in warning information, carry corresponding alarm level information, Interference Detection flow process between ends with system.
In sum, in the technical scheme of the embodiment of the present invention, TD-LTE base station instruction GSM carries out at least twice Interference Detection, in each Interference Detection, the up IoT of described TD-LTE base station measurement, wherein, in first time Interference Detection, GSM base station does not send GSM signal, TD-LTE measures the up IoT when GSM base station does not send GSM signal, except first time Interference Detection except other each Interference Detection in, GSM base station sends GSM signal, TD-LTE measures the up IoT when GSM base station sends GSM signal, and TD-LTE base station is according to the up IoT value measured and predetermined interference threshold at every turn, determine the interference of GSM base station to TD-LTE base station, in Interference Detection process, by means of only TD-LTE base station measurement GSM base station at the up IoT value do not sent under GSM signal and transmission GSM RST and predetermined interference threshold, just can determine to obtain the disturbed condition of GSM base station to TD-LTE base station, do not need manually to investigate location interference, thus correctly can effectively determine the disturbed condition of GSM base station to TD-LTE base station.
One of ordinary skill in the art will appreciate that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable device, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable device is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (12)
1. the detection method disturbed between mobile communication system, is characterized in that, comprising:
At least twice Interference Detection is carried out in instruction global system for mobile communications GSM base station, time-division Long Term Evolution TD-LTE base station;
In each Interference Detection, up dry the making an uproar of described TD-LTE base station measurement compares IoT, wherein, the up IoT obtained measured by first time Interference Detection, that described GSM base station measures when not sending GSM signal according to described instruction, the up IoT obtained measured by other each Interference Detection except first time Interference Detection is that described GSM base station measures when sending GSM signal according to described instruction;
The interference of described GSM base station to described TD-LTE base station, according to the up IoT value measured in each Interference Detection and predetermined interference threshold, is determined in described TD-LTE base station.
2. method according to claim 1, is characterized in that, at least twice Interference Detection is carried out in instruction GSM base station, TD-LTE base station, specifically comprises:
The instruction of described TD-LTE base station carries out at least twice Interference Detection within a predetermined period of time with the GSM base station of TD-LTE base station distance predetermined geographic scope.
3. method according to claim 1, it is characterized in that, the up IoT obtained measured by other each Interference Detection except first time Interference Detection, is that described GSM base station measures when sending GSM signal according to described instruction, specifically comprises:
The up IoT obtained measured by other each Interference Detection except first time Interference Detection is that TD-LTE base station measures when described GSM base station sends GSM signal according to described instruction in whole GSM signal bandwidth.
4. method according to claim 1, is characterized in that, according to the up IoT value measured in each Interference Detection and predetermined interference threshold, determines the interference of gsm system to TD-LTE system, specifically comprises:
The up IoT value measured at every turn being detected by other except first time Interference Detection is all defined as the lifting of making an uproar of the up end respectively and disturbs with the absolute value of the difference of up IoT value measured in first time Interference Detection;
When each up end make an uproar lifting interference weighted mean be greater than predetermined interference threshold, outputting alarm information.
5. method according to claim 4, is characterized in that, described interference threshold comprises at least two sub-interference thresholds, every corresponding alarm level of sub-interference threshold; Then,
When each up end make an uproar lifting interference weighted mean be greater than predetermined interference threshold, outputting alarm information, specifically comprises:
When each up end make an uproar the weighted mean of lifting interference be greater than predetermined sub-interference threshold, export and comprise the warning information of alarm level corresponding to interference threshold with this.
6. the method according to claim 4 or 5, is characterized in that, described method also comprises:
When Interference Detection is carried out in instruction at least two GSM base stations, TD-LTE base station, lifting of being made an uproar in the up end of each GSM base station to TD-LTE base station determining to obtain interference weighted sum be defined as total up end make an uproar lifting interference, when total up end make an uproar lifting interference be greater than predetermined interference threshold, outputting alarm information.
7. the checkout gear disturbed between mobile communication system, is characterized in that, comprising:
Monitoring modular, is used to indicate GSM base station and carries out at least twice Interference Detection; In each Interference Detection, measure up dry making an uproar and compare IoT, wherein, the up IoT obtained measured by first time Interference Detection, that described GSM base station measures when not sending GSM signal according to described instruction, the up IoT obtained measured by other each Interference Detection except first time Interference Detection is that described GSM base station measures when sending GSM signal according to described instruction;
Determination module, for the up IoT value measured in each Interference Detection according to described monitoring modular and predetermined interference threshold, determines the interference of described GSM base station to TD-LTE base station belonging to described device.
8. device according to claim 7, is characterized in that, at least twice Interference Detection is carried out in described monitoring modular instruction GSM base station, specifically for:
Instruction carries out at least twice Interference Detection within a predetermined period of time with the GSM base station of TD-LTE base station distance predetermined geographic scope belonging to described device.
9. device according to claim 7, is characterized in that, described determination module specifically for:
The up IoT value measured at every turn being detected by other except first time Interference Detection is all defined as the lifting of making an uproar of the up end respectively and disturbs with the absolute value of the difference of up IoT value measured in first time Interference Detection;
When each up end make an uproar lifting interference weighted mean be greater than predetermined interference threshold, outputting alarm information.
10. device according to claim 9, is characterized in that, described interference threshold comprises at least two sub-interference thresholds, every corresponding alarm level of sub-interference threshold; Then,
Described determination module when each up end make an uproar lifting interference weighted mean be greater than predetermined interference threshold, outputting alarm information, specifically for:
When each up end make an uproar the weighted mean of lifting interference be greater than predetermined sub-interference threshold, export and comprise the warning information of alarm level corresponding to interference threshold with this.
11. devices according to claim 9 or 10, is characterized in that, described monitoring modular, are also used to indicate at least two GSM base stations and carry out Interference Detection;
Described determination module, also for is made an uproar in the up end of each GSM base station determining to obtain to TD-LTE base station lifting interference weighted sum be defined as total up end make an uproar lifting interference, when total up end make an uproar lifting interference be greater than predetermined interference threshold, outputting alarm information.
The detection system disturbed between 12. 1 kinds of mobile communication system, is characterized in that, comprising:
TD-LTE base station, is used to indicate GSM base station and carries out at least twice Interference Detection; In each Interference Detection, up dry the making an uproar of described TD-LTE base station measurement compares IoT, wherein, wherein, the up IoT obtained measured by first time Interference Detection, be that described GSM base station measures when not sending GSM signal according to described instruction, the up IoT obtained measured by other each Interference Detection except first time Interference Detection is that described GSM base station measures when sending GSM signal according to described instruction; The interference of described GSM base station to described TD-LTE base station, according to the up IoT value measured in each Interference Detection and predetermined interference threshold, is determined in described TD-LTE base station;
GSM base station, carries out at least twice Interference Detection for the instruction according to TD-LTE base station, in first time Interference Detection, does not send GSM signal according to described instruction; In other each Interference Detection except first time Interference Detection, send GSM signal according to described instruction.
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| CN114189297B (en) * | 2021-11-23 | 2024-05-28 | 上海移为通信技术股份有限公司 | Wireless communication device and interference detection method thereof |
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