CN102769500A - Judging method and device of intermodulation interference - Google Patents
Judging method and device of intermodulation interference Download PDFInfo
- Publication number
- CN102769500A CN102769500A CN2011101132540A CN201110113254A CN102769500A CN 102769500 A CN102769500 A CN 102769500A CN 2011101132540 A CN2011101132540 A CN 2011101132540A CN 201110113254 A CN201110113254 A CN 201110113254A CN 102769500 A CN102769500 A CN 102769500A
- Authority
- CN
- China
- Prior art keywords
- busy
- interference
- traffic
- intermodulation
- district
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses a judging method and a judging device of intermodulation interference to improve the judging efficiency and the judging accuracy of the intermodulation interference, wherein the judging method comprises the steps of: determining an uplink traffic busy hour time and an uplink traffic idle hour time of the cell with high interference; respectively determining a busy hour uplink interference parameter value of the uplink traffic busy hour time and an idle uplink interference parameter value of the uplink traffic idle hour time; according to the busy hour uplink interference parameter value and the idle uplink interference parameter value, determining the intermodulation interference parameter value of the cell with high interference; when the intermodulation interference parameter value surpasses the predetermined threshold value, judging that the intermodulation interference exists in the cell with high interference.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to a kind of decision method and device of Intermodulation Interference.
Background technology
Along with development of Communication Technique, when abundant communication service is provided for the user, more need pay attention to the user's communications quality.Passive intermodulation (PIM, Passive Inter-Modulation) is an important indicator weighing the mobile communication quality, and passive intermodulation is that the nonlinear characteristic by various passive devices in the emission system causes.It has been generally acknowledged that passive device is linear, but passive device exists to some extent all under high-power condition certain non-linear.This non-linearly mainly cause by following factor: the contact of different materials metal, the contact surface of same material are rough, the junction not closely and have a magnetisable material etc.Because passive device is non-linear; Cause plural independent source to produce new association frequency in the signal stage of modulating; If when this association frequency just in time also drops in the communication band of GSM, will produce Intermodulation Interference, thereby influence the communication quality of GSM.
As shown in Figure 1, for Intermodulation Interference forms sketch map, suppose that the signal frequency of two independent sources is respectively f
1And f
2, at intermodulation product (nf through forming after the non linear system
1-mf
2) signal frequency is respectively f
3, f
4And f
5And f
6Independent source caused interference.
For GSM, also may in the face of in the interference that produces such as black repeater (base station that the user is provided with privately), the interference, system between system with multiple interference such as the interference of adjacent frequency, Intermodulation Interference.For the ease of describing, other interference except that Intermodulation Interference is referred to as external disturbance.At present, when solving external disturbance, frequency planning is carried out in employing again usually, revises frequency, or investigates methods such as transforming black repeater, and is different with the method that solves external disturbance, and Intermodulation Interference need solve through changing passive device.Therefore, how to judge from multiple interference that whether Intermodulation Interference exists is the key issue that solves Intermodulation Interference.
At present; Detection method comparatively commonly used is: confirm the high interference sub-district; Manual work is carried out external disturbance to this scene, sub-district through frequency spectrograph and is detected, if do not detect external disturbance, adopts the intermodulation index of each device of intermodulation apparatus measures again; If the intermodulation index that measures is lower than a certain threshold value, judge that then this sub-district receives Intermodulation Interference.
In the such scheme, need to judge whether there is Intermodulation Interference one by one, can't judge simultaneously whether a plurality of sub-districts exist Intermodulation Interference, cause judging that efficient is lower to each high interference sub-district; And in some cases,, cause to detect external disturbance, thereby make that the accuracy when whether follow-up judgement Intermodulation Interference exists is lower because external disturbance can't be located.
Summary of the invention
The embodiment of the invention provides a kind of decision method and device of Intermodulation Interference, in order to judgement efficient and the judgement accuracy that improves Intermodulation Interference.
The embodiment of the invention provides a kind of decision method of Intermodulation Interference, comprising:
Confirm the busy period of up traffic and the not busy period of up traffic of high interference sub-district; And
Uplink interference parameter value during uplink interference parameter value and not busy period of up traffic not busy when confirming busy period of up traffic busy respectively;
According to said uplink interference parameter value and said uplink interference parameter value when not busy when busy, confirm the Intermodulation Interference parameter value of said high interference sub-district;
When confirming that said Intermodulation Interference parameter value surpasses preset defined threshold, judge that then there is Intermodulation Interference in said high interference sub-district.
The embodiment of the invention provides a kind of decision maker of Intermodulation Interference, comprising:
First confirms the unit, is used for confirming the busy period of up traffic and the not busy period of up traffic of high interference sub-district;
Second confirms the unit, uplink interference parameter value during uplink interference parameter value and not busy period of up traffic not busy when being used for confirming respectively busy period of up traffic busy;
The 3rd confirms the unit, is used for confirming the Intermodulation Interference parameter value of said high interference sub-district according to said uplink interference parameter value when the uplink interference parameter value is with said spare time when busy;
Identifying unit is used for when the said the 3rd confirms that the Intermodulation Interference parameter value of determining the unit surpasses preset defined threshold, judging that there is Intermodulation Interference in said high interference sub-district.
For GSM; When downstream signal arrives antenna point; Its descending power is bigger; If its intermodulation product drops on the frequency range of carrying upward signal, will cause relatively the up link of GSM to seriously influence, thereby upward signal is produced Intermodulation Interference; Therefore the embodiment of the invention proposes; When judging whether the high interference sub-district exists Intermodulation Interference, uplink interference parameter value during at first confirm this high interference sub-district when busy period of up traffic busy uplink interference parameter value and not busy period of up traffic not busy is if there is Intermodulation Interference in the high interference sub-district; Then this high interference sub-district uplink interference parameter value when busy period of up traffic busy just is higher than uplink interference parameter value when not busy period of up traffic not busy far away, will surpass preset defined threshold according to the uplink interference parameter value Intermodulation Interference parameter value that the uplink interference parameter value is determined when not busy so.When adopting technical scheme of the present invention to judge Intermodulation Interference,, need not investigation and whether have external disturbance, but directly judge, thereby improved the judgement efficient of Intermodulation Interference and judged accuracy according to the traffic characteristics of this high interference sub-district to the high interference sub-district.
Other features and advantages of the present invention will be set forth in specification subsequently, and, partly from specification, become obvious, perhaps understand through embodiment of the present invention.The object of the invention can be realized through the structure that in the specification of being write, claims and accompanying drawing, is particularly pointed out and obtained with other advantages.
Description of drawings
Fig. 1 is in the prior art, and Intermodulation Interference forms sketch map;
Fig. 2 is in the embodiment of the invention, and descending intermodulation product produces the sketch map of Intermodulation Interference to upward signal;
Fig. 3 is in the embodiment of the invention, the interference waveform sketch map that Intermodulation Interference produces;
Fig. 4 is in the embodiment of the invention, the decision method implementing procedure sketch map of Intermodulation Interference;
Fig. 5 is in the embodiment of the invention, the decision method implementing procedure sketch map of the Intermodulation Interference after the improvement;
Fig. 6 is in the embodiment of the invention, a kind of possible structural representation of the decision maker of Intermodulation Interference.
Embodiment
In order to realize whether the high interference sub-district is existed the judgement of Intermodulation Interference, with the judgement efficient and the judgement accuracy that improve Intermodulation Interference, the embodiment of the invention provides a kind of decision method and device of Intermodulation Interference.
The decision method of the Intermodulation Interference that the embodiment of the invention provides and device are applicable to global mobile communication (GSM; Global System for Mobile Communications), digital selective calling (DCS; Digital Selective Calling), TD SDMA GSMs such as (TD-SCDMA, TimeDivision-Synchronous Code Division Multiple Access).
The applicant finds after deliberation, for GSM, when upward signal arrives antenna point; Its ascending power weak (most of-below the 60dbm); Its intermodulation product is submerged in the background heat noise, and therefore, its influence to communication system can be ignored; And the downstream signal of main equipment emission is when arriving antenna point; Its descending power is at least at 30dbm; If its intermodulation product drops on the frequency range of carrying upward signal, will cause relatively the up link of GSM to seriously influence, thereby cause up Intermodulation Interference.As shown in Figure 2, in the embodiment of the invention, descending intermodulation product produces the sketch map of Intermodulation Interference to upward signal.
Can know that based on above-mentioned analysis the up Intermodulation Interference that passive intermodulation causes derives from down transmitting power, is reflected on the traffic measurement, be that the not busy period uplink interference of up traffic is low, even does not have at uplink interference height of busy period of up traffic.Based on this, the embodiment of the invention provides a kind of decision method and device of Intermodulation Interference.
Below in conjunction with Figure of description the preferred embodiments of the present invention are described; Be to be understood that; Preferred embodiment described herein only is used for explanation and explains the present invention; And be not used in qualification the present invention, and under the situation of not conflicting, embodiment and the characteristic among the embodiment among the present invention can make up each other.
As shown in Figure 3, be the interference waveform sketch map of Intermodulation Interference generation.In theory; The waveform that Intermodulation Interference produces should be the interference waveform of a single-frequency point; But frequency spectrum from the existing network actual measurement; Involve in overloading under the situation of Broad-band Modulated Signal (GSMK:200K), its intermodulation product is very complicated, and the waveform that Intermodulation Interference produces is a broad-band interference in the whole up band of influence.
As shown in Figure 4, the decision method implementing procedure sketch map of the Intermodulation Interference that provides for the embodiment of the invention comprises the steps:
S401, the busy period of up traffic of confirming the high interference sub-district and not busy period of up traffic;
Concrete, at first obtain the traffic measurement form in a certain zone, in the traffic measurement form that obtains, search the sub-district that average interference power surpasses the threshold value that is provided with, as the high interference sub-district.For example, the threshold value of setting can be confirmed according to the actual conditions of current area signal quality, for example can be set to 10 decibels/hour, can also be with cutting off rate, and the index that handover success rate etc. can the characterization signal quality is confirmed the high interference sub-district.
S402, uplink interference parameter value during uplink interference parameter value and not busy period of up traffic not busy when confirming busy period of up traffic busy respectively;
S403, according to determine busy the time uplink interference parameter value uplink interference parameter value when not busy, confirm the Intermodulation Interference parameter value of this high interference sub-district;
S404, judge that whether the Intermodulation Interference parameter value surpasses preset defined threshold, if, execution in step S405, if not, execution in step S406;
S405, judge that there is Intermodulation Interference in this high interference sub-district, flow process finishes.
S406, judge that there is not Intermodulation Interference in this high interference sub-district.
In the practical implementation; In order to distinguish the problem of disturbing with single-frequency points such as adjacent interference frequently, before carrying out above-mentioned determination flow, can also comprise and close frequency modulation and judge whether the high interference sub-district is whole area interference; Confirming the situation of high interference sub-district, carry out above-mentioned determination flow for whole area interference; If the high interference sub-district for whole area interference, then can directly not be judged to be non-Intermodulation Interference, need not to carry out above-mentioned determination flow.
In the practical implementation; Privately the repeater is installed and the interference that produces for certain customers; If this user opens the repeater in the busy period of up traffic that the embodiment of the invention is determined just; And open the repeater in the not busy period of up traffic that the embodiment of the invention is determined, the busy period of promptly determining in this user time period of opening the repeater and the embodiment of the invention of up traffic is consistent, and the up period of determining in the time period that this user closes the repeater and the embodiment of the invention in traffic spare time is consistent; Because when open the repeater that this user installs privately; Possibly cause high interference to adjacent sub-district, and the whole adjacent sub-district of the situation of this high interference can exist all, thereby the result of determination that causes obtaining according to above-mentioned Intermodulation Interference determination flow is inaccurate.
Based on this,, before judging that there is Intermodulation Interference in this high interference sub-district, can also comprise in order further to improve the judgement accuracy of Intermodulation Interference:
The interference power of confirming this high interference sub-district reaches the predicted time point when disturbing peak value;
When arriving this predicted time point, reduce the transmitting power of this high interference sub-district; And
Confirm that the interference power of this high interference sub-district after reducing transmitting power is less than reducing transmitting power interference power before.
Concrete, can confirm that current period is in continuous several cycles before according to the traffic measurement form that obtains; The average interference power that this high interference sub-district receives reaches the time period of disturbing peak value, in the time period of the interference peak value of determining, selects a time point arbitrarily; As the predicted time point; When this time point arrives, reduce the transmitting power of this high interference sub-district, and whether the average interference power of observing this high interference sub-district changes.If the interference power of this high interference sub-district after reducing transmitting power judges then that less than reducing transmitting power interference power before there is Intermodulation Interference in this high interference sub-district; If the interference power of this high interference sub-district after reducing transmitting power remains unchanged, judge that then the interference that this high interference sub-district exists is an external disturbance, there is not Intermodulation Interference.
In the practical implementation, the average interference power that can also adopt following mode to reduce the high interference sub-district reaches the transmitting power when disturbing peak value: the locking carrier frequency is perhaps adjusted power contorl parameters in the base station controller.
In the practical implementation, among the step S402, the uplink interference parameter value comprises the steps: when confirming busy period of up traffic busy
S4021, the corresponding intermodulation weighted value of uplink interference parameter when uplink interference parameter corresponding parameters value and each are busy when confirming that each of busy period of up traffic is busy;
S4022, according to each uplink interference parameter corresponding parameters value and each intermodulation weighted value when busy of determining, confirm this high interference sub-district uplink interference parameter value when busy period of up traffic busy.
Concrete, the uplink interference parameter can include but not limited at least one in the following parameter when busy: the average interference power value of busy period of up traffic; The average cutting off rate of busy period of up traffic; The handover success rate of busy period of up traffic; The ascending voice signal quality value of busy period of up traffic.
Concrete, the average interference power value of above busy period of jargon affair is P
1, its corresponding intermodulation weighted value is a
1, the average cutting off rate of busy period of up traffic is D
1, its corresponding intermodulation weighted value is a
2, the handover success rate of busy period of up traffic is H
1, its corresponding intermodulation weighted value is a
3, the ascending voice signal quality value Q of busy period of up traffic
1, its corresponding intermodulation weighted value is a
4, uplink interference parameter value S in the time of then can confirming to hurry according to following formula
1: B
1=P
1* a
1+ D
1* a
2+ H
1* a
3+ Q
1* a
4, wherein, a
1, a
2, a
3, a
4Span be [0,1].
Equally, uplink interference parameter value when confirming not busy period of up traffic not busy can comprise:
The corresponding intermodulation weighted value of uplink interference parameter when uplink interference parameter corresponding parameters value and each are not busy when confirming that each of not busy period of up traffic is not busy;
According to each uplink interference parameter corresponding parameters value and each intermodulation weighted value when not busy of determining, confirm this high interference sub-district uplink interference parameter value when not busy period of up traffic not busy.
Concrete, when not busy the uplink interference parameter can but be not limited to comprise at least one in the following parameter: the average interference power value of not busy period of up traffic; The average cutting off rate of not busy period of up traffic; The handover success rate of not busy period of up traffic; The ascending voice signal quality value of not busy period of up traffic.
Confirm that with above-mentioned the step of uplink interference parameter value when busy is identical, repeat no more here.Uplink interference parameter value B when not busy
2Can be according to formula: B
2=P
2* a
1+ D
2* a
2+ H
2* a
3+ Q
2* a
4Confirm.
In the practical implementation, step S403 can comprise: will determine busy the time uplink interference parameter value uplink interference parameter value when not busy difference, i.e. B
1-B
2Confirm as the Intermodulation Interference parameter value of this high interference sub-district, work as B
1-B
2When surpassing preset threshold value, judge that there is Intermodulation Interference in this high interference sub-district; Perhaps, the ratio of uplink interference parameter value uplink interference parameter value when not busy when busy, promptly
Confirm as the Intermodulation Interference parameter value of this high interference sub-district, when
When surpassing preset threshold value, judge that there is Intermodulation Interference in this high interference sub-district.
As shown in Figure 5, in the embodiment of the invention, the decision method implementing procedure sketch map of the Intermodulation Interference after the improvement comprises the steps:
S501, the busy period of up traffic of confirming the high interference sub-district and not busy period of up traffic;
S502, uplink interference parameter value during uplink interference parameter value and not busy period of up traffic not busy when confirming busy period of up traffic busy respectively;
S503, according to determine busy the time uplink interference parameter value uplink interference parameter value when not busy, confirm the Intermodulation Interference parameter value of this high interference sub-district;
S504, judge that whether the Intermodulation Interference parameter value surpasses preset defined threshold, if, execution in step S505, if not, execution in step S509;
S505, the interference power of confirming this high interference sub-district reach the predicted time point when disturbing peak value;
S506, when arriving this predicted time point, reduce the transmitting power of this high interference sub-district;
S507, judge the interference power of this high interference sub-district after reducing transmitting power whether less than reducing transmitting power interference power before, if, execution in step S508 then, otherwise execution in step S509;
S508, judge that there is Intermodulation Interference in this high interference sub-district, flow process finishes;
S509, judge that there is not Intermodulation Interference in this high interference sub-district.
Based on same inventive concept; A kind of decision maker of Intermodulation Interference also is provided in the embodiment of the invention; Because the principle of this device solves problem is similar with the decision method of above-mentioned Intermodulation Interference; Therefore the enforcement of this device can repeat part and repeat no more referring to the enforcement of the decision method of above-mentioned Intermodulation Interference.
As shown in Figure 6, a kind of possible structural representation of decision maker of the Intermodulation Interference that provides for the embodiment of the invention comprises:
First confirms unit 601, is used for confirming the busy period of up traffic and the not busy period of up traffic of high interference sub-district;
Second confirms unit 602, uplink interference parameter value during uplink interference parameter value and not busy period of up traffic not busy when being used for confirming respectively busy period of up traffic busy;
The 3rd confirms unit 603, be used for according to second confirm that unit 602 determines busy the time uplink interference parameter value uplink interference parameter value when not busy, confirm the Intermodulation Interference parameter value of this high interference sub-district;
Identifying unit 604, be used for the 3rd confirm that unit 603 determines Intermodulation Interference parameter value when surpassing preset defined threshold, judge that there is Intermodulation Interference in this high interference sub-district.
In the practical implementation, the decision maker of Intermodulation Interference can also comprise:
The 4th confirms the unit, is used for confirming that the interference power of this high interference sub-district reaches the predicted time point when disturbing peak value;
Power adjustment unit was used for before identifying unit 604 judges that there is Intermodulation Interference in this high interference sub-district, when arriving the predicted time point of determining the 4th definite unit, reduced the transmitting power of this high interference sub-district;
The 5th confirms the unit, is used for confirming that the interference power of this high interference sub-district after reducing transmitting power is less than reducing transmitting power interference power before.
In the practical implementation, second confirms unit 602, can comprise:
First confirms subelement, the corresponding intermodulation weighted value of uplink interference parameter when being used for confirming when each of busy period of up traffic is busy that uplink interference parameter corresponding parameters value and each are busy;
Second confirms subelement, is used for according to each uplink interference parameter corresponding parameters value and each intermodulation weighted value when busy of determining, confirms this high interference sub-district uplink interference parameter value when busy period of up traffic busy.
In the practical implementation, second confirms unit 602, can comprise:
The 3rd confirms subelement, the corresponding intermodulation weighted value of uplink interference parameter when being used for confirming when each of not busy period of up traffic is not busy that uplink interference parameter corresponding parameters value and each are not busy;
The 4th confirms subelement, is used for according to each uplink interference parameter corresponding parameters value and each intermodulation weighted value when not busy of determining, confirms this high interference sub-district uplink interference parameter value when not busy period of up traffic not busy.
In the practical implementation, the 3rd confirm unit 603 can be used for second confirm that unit 602 determines busy the time uplink interference parameter value uplink interference parameter value when not busy difference, confirm as the Intermodulation Interference parameter value of this high interference sub-district.
For GSM; When downstream signal arrives antenna point; Its descending power is bigger; If its intermodulation product drops on the frequency range of carrying upward signal, will cause relatively the up link of GSM to seriously influence, thereby upward signal is produced Intermodulation Interference; Therefore the embodiment of the invention proposes; When judging whether the high interference sub-district exists Intermodulation Interference, uplink interference parameter value during at first confirm this high interference sub-district when busy period of up traffic busy uplink interference parameter value and not busy period of up traffic not busy is if there is Intermodulation Interference in the high interference sub-district; Then this high interference sub-district uplink interference parameter value when busy period of up traffic busy just is higher than uplink interference parameter value when not busy period of up traffic not busy far away, will surpass preset defined threshold according to the uplink interference parameter value Intermodulation Interference parameter value that the uplink interference parameter value is determined when not busy so.When adopting technical scheme of the present invention to judge Intermodulation Interference,, need not investigation and whether have external disturbance, but directly judge, thereby improved the judgement efficient of Intermodulation Interference and judged accuracy according to the traffic characteristics of this high interference sub-district to the high interference sub-district.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of the embodiment of complete hardware embodiment, complete software implementation example or combination software and hardware aspect.And the present invention can be employed in the form that one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code go up the computer program of implementing.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out through the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in ability vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work; Make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device; Make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of on computer or other programmable devices, carrying out is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic inventive concept could of cicada, then can make other change and modification to these embodiment.So accompanying claims is intended to be interpreted as all changes and the modification that comprises preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (12)
1. the decision method of an Intermodulation Interference is characterized in that, comprising:
Confirm the busy period of up traffic and the not busy period of up traffic of high interference sub-district; And
Uplink interference parameter value during uplink interference parameter value and not busy period of up traffic not busy when confirming busy period of up traffic busy respectively;
According to said uplink interference parameter value and said uplink interference parameter value when not busy when busy, confirm the Intermodulation Interference parameter value of said high interference sub-district;
When confirming that said Intermodulation Interference parameter value surpasses preset defined threshold, judge that then there is Intermodulation Interference in said high interference sub-district.
2. the method for claim 1 is characterized in that, judges that said high interference sub-district exists before the Intermodulation Interference, also comprises:
The interference power of confirming said high interference sub-district reaches the predicted time point when disturbing peak value;
When arriving said predicted time point, reduce the transmitting power of said high interference sub-district; And
Confirm that the interference power of said high interference sub-district after reducing transmitting power is less than reducing transmitting power interference power before.
3. the method for claim 1 is characterized in that, uplink interference parameter value when confirming busy period of up traffic busy specifically comprises:
The corresponding intermodulation weighted value of uplink interference parameter when uplink interference parameter corresponding parameters value and each are busy when confirming that each of busy period of up traffic is busy;
According to each uplink interference parameter corresponding parameters value and each intermodulation weighted value when busy of determining, confirm said high interference sub-district uplink interference parameter value when busy period of up traffic busy.
4. method as claimed in claim 3 is characterized in that, said when busy the uplink interference parameter comprise following at least a:
The average interference power of busy period of up traffic;
The average cutting off rate of busy period of up traffic;
The handover success rate of busy period of up traffic;
The ascending voice signal quality value of busy period of up traffic.
5. the method for claim 1 is characterized in that, uplink interference parameter value when confirming not busy period of up traffic not busy specifically comprises:
The corresponding intermodulation weighted value of uplink interference parameter when uplink interference parameter corresponding parameters value and each are not busy when confirming that each of not busy period of up traffic is not busy;
According to each uplink interference parameter corresponding parameters value and each intermodulation weighted value when not busy of determining, confirm said high interference sub-district uplink interference parameter value when not busy period of up traffic not busy.
6. method as claimed in claim 5 is characterized in that, said when not busy the uplink interference parameter comprise following at least a:
The average interference power of not busy period of up traffic;
The average cutting off rate of not busy period of up traffic;
The handover success rate of not busy period of up traffic;
The ascending voice signal quality value of not busy period of up traffic.
7. the method for claim 1 is characterized in that, according to said uplink interference parameter value and said uplink interference parameter value when not busy when busy, confirms the Intermodulation Interference parameter value of said high interference sub-district, specifically comprises:
With said uplink interference parameter value and the said difference or the quotient of uplink interference parameter value when not busy when busy, confirm as the Intermodulation Interference parameter value of said high interference sub-district.
8. the decision maker of an Intermodulation Interference is characterized in that, comprising:
First confirms the unit, is used for confirming the busy period of up traffic and the not busy period of up traffic of high interference sub-district;
Second confirms the unit, uplink interference parameter value during uplink interference parameter value and not busy period of up traffic not busy when being used for confirming respectively busy period of up traffic busy;
The 3rd confirms the unit, is used for confirming the Intermodulation Interference parameter value of said high interference sub-district according to said uplink interference parameter value when the uplink interference parameter value is with said spare time when busy;
Identifying unit is used for when the said the 3rd confirms that the Intermodulation Interference parameter value of determining the unit surpasses preset defined threshold, judging that there is Intermodulation Interference in said high interference sub-district.
9. device as claimed in claim 8 is characterized in that, also comprises:
The 4th confirms the unit, is used for confirming that the interference power of this high interference sub-district reaches the predicted time point when disturbing peak value;
Power adjustment unit was used for before said identifying unit judges that there is Intermodulation Interference in said high interference sub-district, when arriving the predicted time point of determining the 4th definite unit, reduced the transmitting power of said high interference sub-district;
The 5th confirms the unit, is used for confirming that the interference power of said high interference sub-district after reducing transmitting power is less than reducing transmitting power interference power before.
10. device as claimed in claim 8 is characterized in that, said second confirms the unit, comprising:
First confirms subelement, the corresponding intermodulation weighted value of uplink interference parameter when being used for confirming when each of busy period of up traffic is busy that uplink interference parameter corresponding parameters value and each are busy;
Second confirms subelement, is used for according to each uplink interference parameter corresponding parameters value and each intermodulation weighted value when busy of determining, confirms said high interference sub-district uplink interference parameter value when busy period of up traffic busy.
11. device as claimed in claim 8 is characterized in that, said second confirms the unit, comprising:
The 3rd confirms subelement, the corresponding intermodulation weighted value of uplink interference parameter when being used for confirming when each of not busy period of up traffic is not busy that uplink interference parameter corresponding parameters value and each are not busy;
The 4th confirms subelement, is used for according to each uplink interference parameter corresponding parameters value and each intermodulation weighted value when not busy of determining, confirms said high interference sub-district uplink interference parameter value when not busy period of up traffic not busy.
12. device as claimed in claim 8 is characterized in that, the said the 3rd confirms the unit, specifically is used for the said difference of uplink interference parameter value when the uplink interference parameter value is with said spare time when busy is confirmed as the Intermodulation Interference parameter value of said high interference sub-district.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110113254.0A CN102769500B (en) | 2011-05-03 | 2011-05-03 | Judging method and device of intermodulation interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110113254.0A CN102769500B (en) | 2011-05-03 | 2011-05-03 | Judging method and device of intermodulation interference |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102769500A true CN102769500A (en) | 2012-11-07 |
| CN102769500B CN102769500B (en) | 2015-02-04 |
Family
ID=47096764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110113254.0A Active CN102769500B (en) | 2011-05-03 | 2011-05-03 | Judging method and device of intermodulation interference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102769500B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105722111A (en) * | 2014-12-05 | 2016-06-29 | 中国移动通信集团公司 | Method and device for interference detection |
| CN105721070A (en) * | 2014-12-05 | 2016-06-29 | 中国移动通信集团公司 | Method and device for interference detection |
| CN105828374A (en) * | 2015-01-07 | 2016-08-03 | 中国移动通信集团福建有限公司 | Method and device for realizing interference detection |
| CN106332115A (en) * | 2015-06-23 | 2017-01-11 | 中国移动通信集团山东有限公司 | Intermodulation interference locating method, device and system |
| CN103906114B (en) * | 2012-12-28 | 2017-10-24 | 中国移动通信集团上海有限公司 | A kind of neighborhood disturbance treatment method and device |
| CN107306409A (en) * | 2016-04-21 | 2017-10-31 | 富士通株式会社 | Parameter determination method, classification of disturbance recognition methods and its device |
| WO2019105430A1 (en) * | 2017-11-29 | 2019-06-06 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method and apparatus for identifying interference in a wireless communication system |
| CN114222323A (en) * | 2022-01-06 | 2022-03-22 | 中国铁塔股份有限公司 | Intermodulation interference alarm generating method, device, base station and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1870473A (en) * | 2005-10-21 | 2006-11-29 | 华为技术有限公司 | Passive intermodulation testing method of mobile communication base station system |
| CN101572903A (en) * | 2009-06-09 | 2009-11-04 | 华为技术有限公司 | Signal reporting method, intermodulation performance testing method and system thereof |
| KR20100002948A (en) * | 2008-06-30 | 2010-01-07 | 주식회사 케이티 | Method and device for detecting pimd signal |
| CN101835182A (en) * | 2010-02-04 | 2010-09-15 | 西安方诚通讯技术服务有限公司 | Analyzing system and analyzing method for wireless network optimizing computer |
-
2011
- 2011-05-03 CN CN201110113254.0A patent/CN102769500B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1870473A (en) * | 2005-10-21 | 2006-11-29 | 华为技术有限公司 | Passive intermodulation testing method of mobile communication base station system |
| KR20100002948A (en) * | 2008-06-30 | 2010-01-07 | 주식회사 케이티 | Method and device for detecting pimd signal |
| CN101572903A (en) * | 2009-06-09 | 2009-11-04 | 华为技术有限公司 | Signal reporting method, intermodulation performance testing method and system thereof |
| CN101835182A (en) * | 2010-02-04 | 2010-09-15 | 西安方诚通讯技术服务有限公司 | Analyzing system and analyzing method for wireless network optimizing computer |
Non-Patent Citations (1)
| Title |
|---|
| 张需溥 等: "基站天馈系统上行干扰排查解决方案", 《移动通信(2011年)》 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103906114B (en) * | 2012-12-28 | 2017-10-24 | 中国移动通信集团上海有限公司 | A kind of neighborhood disturbance treatment method and device |
| CN105722111A (en) * | 2014-12-05 | 2016-06-29 | 中国移动通信集团公司 | Method and device for interference detection |
| CN105721070A (en) * | 2014-12-05 | 2016-06-29 | 中国移动通信集团公司 | Method and device for interference detection |
| CN105721070B (en) * | 2014-12-05 | 2018-10-16 | 中国移动通信集团公司 | A kind of interference detection method and device |
| CN105722111B (en) * | 2014-12-05 | 2019-05-31 | 中国移动通信集团公司 | A kind of interference detection method and device |
| CN105828374A (en) * | 2015-01-07 | 2016-08-03 | 中国移动通信集团福建有限公司 | Method and device for realizing interference detection |
| CN106332115A (en) * | 2015-06-23 | 2017-01-11 | 中国移动通信集团山东有限公司 | Intermodulation interference locating method, device and system |
| CN106332115B (en) * | 2015-06-23 | 2019-07-02 | 中国移动通信集团山东有限公司 | A kind of Intermodulation Interference localization method, device and system |
| CN107306409A (en) * | 2016-04-21 | 2017-10-31 | 富士通株式会社 | Parameter determination method, classification of disturbance recognition methods and its device |
| CN107306409B (en) * | 2016-04-21 | 2020-06-12 | 富士通株式会社 | Parameter determination method, interference classification identification method and device thereof |
| WO2019105430A1 (en) * | 2017-11-29 | 2019-06-06 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method and apparatus for identifying interference in a wireless communication system |
| CN114222323A (en) * | 2022-01-06 | 2022-03-22 | 中国铁塔股份有限公司 | Intermodulation interference alarm generating method, device, base station and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102769500B (en) | 2015-02-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102769500B (en) | Judging method and device of intermodulation interference | |
| CN112165365B (en) | Wireless spectrum interference monitoring system and method for low-frequency time code monitoring system | |
| CA2351683A1 (en) | Method and arrangement for measuring and predicting of radio conditions in a communications system | |
| JP4730532B2 (en) | Wireless access system, network management device, program, and quality management method | |
| CN103067928A (en) | Network coverage quality analytical method and system | |
| KR20090080723A (en) | Apparatus and method for plannig wireless network | |
| CN104754590A (en) | Method and device for assessing LTE (long term evolution) network sites | |
| CN102377462A (en) | Method and system for interactively selecting auxiliary cell | |
| CN103581957A (en) | Interference detection method, device and system | |
| CN108029065A (en) | A kind of prediction, the method for reporting subdistrict signal strength and user equipment | |
| CN109561454A (en) | Network optimized approach and device | |
| US8862133B2 (en) | Method and system for determination of wireless device speed via channel quality indicator fading characteristics | |
| CN103108341A (en) | Method and device based on measurement report data and for constructing network uploading interference matrix | |
| CN107276691B (en) | Method and device for determining direction angle of antenna | |
| KR20180038010A (en) | Signal processing method and associated device | |
| JP6070957B2 (en) | Radio parameter control system, radio parameter control apparatus, radio base station, radio parameter control method, and program | |
| CN108810950B (en) | Method for identifying deletable cell and related equipment | |
| CN103391142A (en) | Method and device for determining RSSI value of channel, and access point equipment | |
| CN101637042A (en) | Wireless cell monitoring method, its device, and its program | |
| CN102014414A (en) | Network optimization intelligent decision wizard system and automatic analysis method | |
| CN106550395A (en) | A kind of method and device of detection signal intensity | |
| CN103974321A (en) | Repeater monitoring method and device | |
| CN102056193A (en) | Method and equipment for recording position information | |
| CN110557832A (en) | Weak coverage judging method, network element equipment, terminal and storage medium | |
| Verdone et al. | On the optimization of fully distributed power control techniques in cellular radio systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |