CN101521832B - Monitoring system and monitoring method for signal quality of television networks - Google Patents
Monitoring system and monitoring method for signal quality of television networks Download PDFInfo
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Abstract
The invention relates a monitoring system and a monitoring method for the signal quality of television networks. The monitoring system comprises a monitor server and one or more monitoring devices connected with the monitor server; the monitor server sends a monitoring command to the monitoring devices; the monitoring command comprises quality parameter information; the monitoring devices measure quality parameter data of the position in which the monitoring devices are positioned after receiving the monitoring command, and send the measured and obtained quality parameter data to the monitor server; the monitor server analyzes the signal quality of communication links of the television networks according to the quality parameter data after receiving the quality parameter data; and according to the analysis result of the monitor server, the maintenance personnel of systems of the television networks are aware of the signal quality of the communication links of the television networks intime to conveniently maintain the television networks. Therefore, the monitoring system and the monitoring method can effectively monitor the signal quality of the transmission system of the televisi on networks, earlier find the abnormity of the system of the television networks, and improve the broadcast quality of television programs.
Description
Technical field
The present invention relates to TV network signal quality supervisory control system and method for supervising that a kind of signal quality at TV network detects and analyzes.
Background technology
Along with popularizing day by day and vast application of cable TV especially Digital Television, people's life has produced earth-shaking variation, especially adopted after the Digital Television, under digital platform, the TV programme that people saw is more clear, number of programs is more, the information that can access is also more, content is abundanter, has satisfied the growing inspirit culture demand of people to a certain extent.Wherein, HFC (Hybrid FiberCoaxial Cable, the Hybrid Fiber Coaxial network) network has become the highest TV programme transmission network of the most ripe in the prior art, market-oriented degree owing to have big, the network architecture low cost and other advantages of transmission data capacity.Yet, in the transmission course that TV programme signal is transmitted in TV network, because signal attenuation, noises etc. are to the interference and the influence of TV programme signal, more or less to the signal quality of TV programme signal, signal to noise ratio for example, carrier-to-noise ratios etc. exert an influence, therefore, in order to ensure the transmission quality of TV programme signal effectively, need measure the signal quality of the TV programme signal of relevant detection point, and according to the result who measures gained communication link is adjusted accordingly, can be to guarantee TV programme signal with mass transport preferably to the terminal of TV user.In the prior art, in order to realize above-mentioned functions, usually all be that attendant by TV network carries portable checkout equipment, the artificial signal quality that arrives the TV programme signal of this monitoring point of relevant detection point measurement, and, judge according to experience etc. whether this signal quality meets the requirements and correspondingly communication link is adjusted according to detected signal quality.This mode of the prior art, when needs are measured the signal quality of TV network monitoring point, the attendant who needs TV network, and need the attendant rule of thumb to wait manually whether signal quality met the requirements etc. to judge, not only need to expend a large amount of human and material resources, the operation cost height, and be unfavorable for monitoring and maintenance to whole TV network.
Summary of the invention
Problem at above-mentioned existence, the object of the present invention is to provide a kind of TV network signal quality supervisory control system and method for supervising, it can effectively be monitored the signal quality of TV network transmission system, finds the unusual of television network system early, improves the play quality of TV programme.
For achieving the above object, the present invention by the following technical solutions:
A kind of TV network signal quality supervisory control system comprises the more than one watch-dog that monitoring server and this monitoring server connect,
Described monitoring server, be used for sending monitored instruction to each described watch-dog, receive the mass parameter data that each described watch-dog sends, according to described mass parameter data the signal quality of described TV network communication link is analyzed, described monitored instruction comprises quality parameter information;
Each described watch-dog is used to receive described monitored instruction, measures the described mass parameter data of the TV programme at place, this watch-dog present position according to described monitored instruction, and these mass parameter data are sent to described monitoring server.
A kind of method for supervising of TV network signal quality supervisory control system, described supervisory control system comprise monitoring server and the more than one watch-dog that is connected with described monitoring server, and described method for supervising comprises:
Described monitoring server sends monitored instruction to described watch-dog, and described monitored instruction comprises quality parameter information;
Described watch-dog receives described monitored instruction, measures the mass parameter data that this watch-dog present position is located according to described monitored instruction, and described mass parameter data are sent to described monitoring server;
Described monitoring server receives described mass parameter data, according to described mass parameter data the signal quality of described TV network communication link is analyzed.
According to the solution of the present invention, the more than one watch-dog that TV network signal quality supervisory control system of the present invention comprises monitoring server and is connected with monitoring server, send monitored instruction by monitoring server to watch-dog, include quality parameter information in this monitored instruction, after watch-dog receives this monitored instruction, measure the mass parameter data at this place, watch-dog present position, and these mass parameter data of measured acquisition are sent to monitoring server, after monitoring server receives, can analyze the signal quality of the communication link of TV network according to these mass parameter data, the system maintenance personnel of TV network can be according to prison
The analysis result of control server is in time known the signal quality of TV network communication link, be convenient to maintenance to TV network, thereby can effectively monitor, find the unusual of television network system early, improve the play quality of TV programme the signal quality of TV network transmission system.
Description of drawings
Fig. 1 is wherein a kind of general structure schematic diagram of TV network signal quality supervisory control system of the present invention;
Fig. 2 is the another kind of general structure schematic diagram of TV network signal quality supervisory control system of the present invention;
Fig. 3 is the concrete structure schematic diagram of TV network signal quality supervisory control system embodiment of the present invention;
Fig. 4 is the schematic flow sheet of TV network signal quality method for supervising of the present invention.
Embodiment
Below be described in detail at each specific embodiment of the present invention.In following explanation at each embodiment, at first the embodiment at TV network signal quality supervisory control system of the present invention sets forth, and the embodiment at the method for supervising of TV network signal quality supervisory control system of the present invention sets forth again.
Referring to shown in Figure 1, it is wherein a kind of general structure schematic diagram of TV network signal quality supervisory control system of the present invention, the more than one watch-dog 102 that it includes monitoring server 101 and is connected with this monitoring server 101, wherein, monitoring server 101 can pass through optical fiber with watch-dog 102, modes such as coaxial cable connect, monitoring server 101 can be arranged on the monitor staff or the attendant's of TV network terminal, to realize monitoring to the signal quality of whole TV network communication link, watch-dog 102 can be arranged on the node place of TV network, the for example optical node or the electrical nodes of floor user or one deck floor user's cable TV network, also can be arranged on the terminal of each TV programme signal, promptly can a watch-dog 102 be set at each TV programme user terminal, for to construction cost and safeguard consideration on the complexity, this watch-dog 102 can be arranged on the optical node or the electrical nodes place of cable TV network usually.
Wherein, this monitoring server 101, be used for sending monitored instruction to each watch-dog 102, include quality parameter information in this monitored instruction, receive the mass parameter data that each watch-dog 102 sends, and the signal quality of TV network communication link is analyzed according to described mass parameter data;
This each watch-dog 102 is used to receive described monitored instruction, measures the described mass parameter data of the TV programme at place, this watch-dog 102 present positions according to described monitored instruction, and these mass parameter data are sent to monitoring server 101.
Wherein, when watch-dog 102 is measured the mass parameter data at its place, present positions, can adopt with prior art in identical mode, do not repeat them here.
Wherein, described quality parameter information can be any one or the combination in any in the mass parameters such as level carrier-to-noise ratio, signal to noise ratio, the error rate, planisphere, centre frequency, symbol rate.
TV network signal quality supervisory control system according to the invention described above, send monitored instruction by monitoring server 101 to watch-dog 102, watch-dog 102 is measured the mass parameter data of the TV programme signal at this place, watch-dog 102 present positions according to this monitored instruction, thereby, monitoring server 101 can be analyzed the signal quality of TV network communication link according to these mass parameter data of each watch-dog, the system maintenance personnel of TV network can in time know the signal quality of TV network communication link according to the analysis result of monitoring server, be convenient to maintenance to TV network, thereby can monitor the signal quality of TV network transmission system effectively, find the unusual of television network system early, improve the play quality of TV programme.
As shown in Figure 2, it is another general structure schematic diagram of TV network signal quality supervisory control system of the present invention, in the general structure schematic diagram of this example, be with the difference of general structure schematic diagram among above-mentioned Fig. 1, in the shown in this example TV network signal quality supervisory control system, each watch-dog 102 is connected with monitoring server 101 by cascade system, because when cascade system connects, can share identical communication line between the watch-dog 102 and be connected, thereby can reduce the construction cost of TV network Quality Monitoring Control System with monitoring server 101.
Below be described in detail at the concrete structure schematic diagram of an embodiment of TV network signal quality supervisory control system of the present invention, as shown in Figure 3, it is the concrete structure schematic diagram of an embodiment of TV network signal quality supervisory control system of the present invention, in the present embodiment, only be connected with one of them watch-dog 102 and describe at monitoring server 101, need to prove, this explanation only is for the consideration of describing simplicity, not in order to limit the watch-dog 102 that has only that is connected with monitoring server 101.
As shown in Figure 3, in the TV network signal quality supervisory control system of present embodiment, this monitoring server 101 specifically comprises:
Be used to generate the instruction generation module 1011 of monitored instruction, include quality parameter information in this monitored instruction, and this quality parameter information can be any one or combination in any in the mass parameters such as level carrier-to-noise ratio, signal to noise ratio, the error rate, planisphere, centre frequency, symbol rate;
First data transmit-receive module 1012 that and instruction generation module 1011, watch-dog 102 connect is used for described monitored instruction is sent to watch-dog 102, and receives the described mass parameter data that watch-dog 102 sends;
With the analysis and distinguishing module 1013 that first data transmit-receive module 1012 is connected, be used for the signal quality of TV network communication link being analyzed according to described mass parameter data;
Described watch-dog 102 specifically comprises:
Second data transmit-receive module 1021 that is connected with monitoring server 101 is used to receive described monitored instruction, and the described mass parameter data that 1022 measurements of mass parameter data acquisition module are obtained send to monitoring server 101;
With the mass parameter data acquisition module 1022 that second data transmit-receive module 1021 is connected, be used for according to described monitored instruction, measure the described mass parameter data at this place, watch-dog 102 present positions.
Wherein, the monitoring server 101 of TV network signal quality supervisory control system of the present invention also comprises:
Be connected 1013 memory module 1014 with first data transmit-receive module 1012, analysis and distinguishing module, be used for described mass parameter data are stored, wherein, this storage can be provisional storage, also can be permanent storage.Thereby, after with measured mass parameter data storing, analysis and distinguishing module 1023 can also compare or compare at different watch-dogs 102 measured mass parameter data at the measured mass parameter data of different time sections, go out because time variation or environmental change etc. to the influence that signal quality was produced, can be adjusted the communication link of TV network accordingly according to these integrated datas with concentrated expression.
In addition, the monitoring server 101 of TV network signal quality supervisory control system of the present invention can also comprise:
The display module 1015 that is connected with analysis and distinguishing module 1013 is used for the analysis result of analysis and distinguishing module 1013 is shown.Thereby, after monitoring server 101 is analyzed the signal quality of TV network communication link according to described mass parameter data, analysis result can also be shown that the monitoring attendant of being convenient to TV network can directly judge the signal quality of TV network intuitively according to shown analysis result.
Wherein, the concrete display mode that 1015 pairs of analysis results of display module show can be that the mode by chart shows intuitively, also can be directly to demonstrate analysis result, or directly demonstrate the analysis data.
Wherein, when the analysis and distinguishing module 1013 of monitoring server 101 is analyzed the signal quality of TV network communication link according to described mass parameter data, because concern angle difference to the signal quality of TV programme signal, the concrete analysis mode that is adopted also can be different, and concrete analysis mode can be:
One: described mass parameter data and predetermined threshold value are compared, whether the signal of TV program quality of judging this place, watch-dog 102 present positions according to described comparative result reaches standard-required, wherein, this predetermined threshold value can be that the monitoring attendant by system rule of thumb is worth and sets, also can be this predetermined threshold value of dependent threshold standard setting, perhaps also can determine according to other mode according to national standard;
In addition, when mass parameter data and predetermined threshold value are compared, because the difference of the type of mass parameter, according to judging that with the comparative result of predetermined threshold value the mode whether the signal of TV program quality at place, this watch-dog present position reaches standard-required also is not quite similar, for example, for carrier-to-noise ratio, this class mass parameter such as signal to noise ratio, carrier-to-noise ratio, the value of signal to noise ratio is high more, the signal of TV program quality is good more, therefore, during greater than predetermined threshold value, the signal of TV program quality at this place, watch-dog present position of decidable reaches standard-required in measured carrier-to-noise ratio or signal to noise ratio; And for these class mass parameters such as the error rate, the value of the error rate is more little, and the signal of TV program quality is good more, therefore, during less than predetermined threshold value, the signal of TV program quality at this place, watch-dog present position of decidable reaches standard-required in the measured error rate; And for these class mass parameters such as level, planisphere, centre frequency, symbol rate, the signal of TV program quality is reduced, therefore, for this class mass parameter, when the value of measuring gained was between minimum preset value and maximum preset value, the signal of TV program quality at this place, watch-dog present position of decidable reached standard-required;
According to as mentioned above, when quality parameter information has two or more, then should be when the pairing mass parameter data of each mass parameter all satisfy standard-required, could determine that the signal quality of the TV programme signal at this place, watch-dog 102 present positions reaches standard-required;
If through judging, the signal quality of the TV programme signal at this place, watch-dog 102 present positions does not reach standard-required, then can be at the mass parameter that does not reach standard-required, communication link to TV network is adjusted accordingly, so that the quality of the communication link of TV network reaches the corresponding standard requirement;
Its two: because TV programme signal is in the transmission course of TV network, more or less can be subjected to The noise, and planisphere can be with helping understand noise influence to received signal, therefore, can be to the planisphere data in the described mass parameter data, adopt default noise Mathematical Modeling that described planisphere data are calculated noise model, after drawing noise model, can adopt or formulate corresponding de-noising mode at this noise model, to reduce the influence of noise to the signal of TV program quality of TV network, wherein, should default noise Mathematical Modeling can be Gaussian function, impulse function, comb function, the δ function, in the noise Mathematical Modelings such as Sinc function any one, perhaps also can be, adopt the combination in any in the noise Mathematical Modeling of the above-mentioned type respectively the planisphere data to be calculated noise model, and can draw optimum noise model after the noise model that respectively draws compared at these planisphere data;
Its three: to the planisphere data in the described mass parameter data, adopt default noise Mathematical Modeling that described planisphere data are calculated noise model, and the noise model on same channel of each watch-dog compared, determine the noise source of described TV network according to comparative result, after having determined noise source, can adjust accordingly at this noise source, to eliminate of the influence of this noise source as far as possible to the signal of TV program quality, wherein, should default noise Mathematical Modeling can be Gaussian function, impulse function, comb function, the δ function, in the noise Mathematical Modelings such as Sinc function any one, perhaps also can be, adopt the combination in any in the noise Mathematical Modeling of above-mentioned these types respectively the planisphere data to be calculated noise model, and can draw optimum noise model after the noise model that respectively draws compared at these planisphere data;
Its four: because signal is in the transmission of different centre frequency, the decling phase of communication link should also can be different, quality for the signal transmission that guarantees each signal, the signal that each channel transmitted should satisfy certain harmony, with crosstalking mutually between the signal of avoiding each channel, therefore, can the mass parameter data of each different channels of watch-dog be compared, and judge the equilibrium state of each channel transmitting power on the communication link at place, this watch-dog present position according to comparative result, to help the decay of respective channel the being compensated transmission quality of raising TV network;
Its five: under desirable state, the transmission attenuation of signal on communication link should be 0, can guarantee that so the received quality of signals that signal quality and transmitting terminal sent of receiving terminal satisfies consistency, but, because length and each device performance of communication link of communication link influence signal quality, and the noise that may have other seals in communication link, thereby can influence the signal quality of communication link, has certain transmission attenuation when causing TV programme signal on communication link, to be transmitted, at this situation, can compare the described mass parameter data of each watch-dog on same channel, determine the decay of this channel according to comparative result, specifically can be, described mass parameter data at this channel of each adjacent watch-dog correspondence compare, can determine the decay of pairing channel between each adjacent watch-dog according to comparative result, can also so the decay of definite signal on whole communication link, and can be according to the difference of the pairing fading channel between each adjacent watch-dog, determine to adjust the adjustment point and the adjustment mode of described fading channel, compensate with the decay to channel effectively, guarantee signal transmission unimpeded of TV network communication link;
Its six: because in the process of the signal of TV network transmission, may have noise and seal in communication link, influence the signal quality of TV network, at this situation, seal in the link section of communication link in order to find out noise, can set noise objective for each watch-dog in advance, the described mass parameter data of each described watch-dog on same channel are compared, according to the noise objective on the described channel of each described watch-dog, determine that noise seals in the link section of TV network, concrete mode can be, the described mass parameter data of each watch-dog on same channel are compared, according to the noise objective of each described watch-dog on this channel, the noise objective excessive or maximum link section of decaying is defined as the link section that noise seals in, thereby, for the maintenance personal of TV network, can directly search fault to this link section, and needn't begin from the source of the node of TV network with the one-level one-level search fault, save workload;
Its seven: because the TV network structure is big, the overlay area is wide, make the communication line of TV network in the framework process, need through each different environment, and different environment can be more or less exerts an influence to the communication link and the communication quality of TV network, at this situation, in order to determine the influence of environment to the signal quality of TV network, can compare the described mass parameter data of each watch-dog on the identical moment, same channel, thereby can determine the influence of environment according to comparative result to the signal quality of TV network.
Wherein, above-mentionedly only describe at several modes of carrying out analysis and judgement wherein according to the measured mass parameter data that obtain, in fact, after measuring the mass parameter data, also can adopt other mode to carry out analysis and judgement, perhaps also can be the combination in any that adopts above-mentioned analysis mode simultaneously, carry out analysis-by-synthesis with quality to communication link.For example, adopt the combination in any of above-mentioned analysis mode to carry out analysis-by-synthesis, the type of the fault that the channel that can judge communication link has occurred, and can orient the position that fault takes place, avoided the monitoring attendant when TV network breaks down, to carry out the investigation process that the one-level one-level is investigated, used manpower and material resources sparingly.
Wherein, above-mentioned TV network can be a hfc plant.
According to the TV network signal quality supervisory control system of the invention described above, the present invention also provides a kind of TV network signal quality method for supervising.As shown in Figure 4, be the schematic flow sheet of TV network signal quality method for supervising embodiment of the present invention, it comprises step:
Step S101: monitoring server sends the monitored instruction that obtains quality parameter information to watch-dog, comprise quality parameter information in this monitored instruction, wherein, described quality parameter information can be any one or the combination in any in the mass parameters such as level carrier-to-noise ratio, signal to noise ratio, the error rate, planisphere, centre frequency, symbol rate, enters step S102;
Step S102: watch-dog receives described monitored instruction, measures the mass parameter data of the described quality parameter information correspondence at place, this watch-dog present position according to this monitored instruction, enters step S103;
Step S103: watch-dog sends measured described mass parameter data to monitoring server, enter step S104;
Step S104: monitoring server receives described mass parameter data, and according to described mass parameter data the signal quality of TV network communication link is analyzed.
Wherein, in step S104, after monitoring server receives described mass parameter data, described mass parameter data can also be stored, thereby, after with measured mass parameter data storing, monitoring server can also compare at the measured mass parameter data of different time sections, or compare at the measured mass parameter data of different watch-dogs, go out because time variation or environmental change to the influence that signal quality was produced of TV network communication link, can be adjusted the communication link of TV network accordingly according to these integrated datas with concentrated expression.
Wherein, when watch-dog is measured the mass parameter data at place, its present position, can adopt with prior art in identical mode, do not repeat them here.
In addition, after monitoring server is analyzed the signal quality of TV network communication link according to described mass parameter data, analysis result can also be shown that the monitoring attendant of being convenient to TV network can directly judge the signal quality of TV network intuitively according to shown analysis result.Wherein, concrete display mode can be that the mode by chart shows intuitively, also can be directly to demonstrate analysis result, or directly demonstrate the analysis data.
In step S104, when the signal quality at this place, watch-dog present position being analyzed according to described mass parameter data, because concern angle difference to the signal quality of TV programme signal, the concrete analysis mode that is adopted also can be different, and concrete analysis mode can be:
One: described mass parameter data and predetermined threshold value are compared, whether the signal of TV program quality of judging this place, watch-dog present position according to described comparative result reaches standard-required, wherein, this predetermined threshold value can be that the monitoring attendant by system rule of thumb is worth and sets, also can be this predetermined threshold value of dependent threshold standard setting, perhaps also can determine according to other mode according to national standard;
In addition, when mass parameter data and predetermined threshold value are compared, because the difference of the type of mass parameter, according to judging that with the comparative result of predetermined threshold value the mode whether the signal of TV program quality at place, this watch-dog present position reaches standard-required also is not quite similar, for example, for carrier-to-noise ratio, this class mass parameter such as signal to noise ratio, carrier-to-noise ratio, the value of signal to noise ratio is high more, the signal of TV program quality is good more, therefore, during greater than predetermined threshold value, the signal of TV program quality at this place, watch-dog present position of decidable reaches standard-required in measured carrier-to-noise ratio or signal to noise ratio; And for these class mass parameters such as the error rate, the value of the error rate is more little, and the signal of TV program quality is good more, therefore, during less than predetermined threshold value, the signal of TV program quality at this place, watch-dog present position of decidable reaches standard-required in the measured error rate; And for these class mass parameters such as level, planisphere, centre frequency, symbol rate, the signal of TV program quality is reduced, therefore, for this class mass parameter, when the value of measuring gained was between minimum preset value and maximum preset value, the signal of TV program quality at this place, watch-dog present position of decidable reached standard-required;
According to as mentioned above, when quality parameter information has two or more, then should be when the pairing mass parameter data of each mass parameter all satisfy standard-required, could determine that the signal quality of the TV programme signal at this place, watch-dog present position reaches standard-required;
If through judging, the signal quality of the TV programme signal at this place, watch-dog present position does not reach standard-required, then can be at the mass parameter that does not reach standard-required, communication link to TV network is adjusted accordingly, so that the quality of the communication link of TV network reaches the corresponding standard requirement;
Its two: because TV programme signal is in the transmission course of TV network, more or less can be subjected to The noise, and planisphere can be with helping understand noise influence to received signal, therefore, can be to the planisphere data in the described mass parameter data, adopt default noise Mathematical Modeling that described planisphere data are calculated noise model, after drawing noise model, can adopt or formulate corresponding de-noising mode at this noise model, to reduce the influence of noise to the signal of TV program quality of TV network, wherein, should default noise Mathematical Modeling can be Gaussian function, impulse function, comb function, the δ function, in the noise Mathematical Modelings such as Sinc function any one, perhaps also can be, adopt the combination in any in the noise Mathematical Modeling of the above-mentioned type respectively the planisphere data to be calculated noise model, and can draw optimum noise model after the noise model that respectively draws compared at these planisphere data;
Its three: to the planisphere data in the described mass parameter data, adopt default noise Mathematical Modeling that described planisphere data are calculated noise model, and the noise model on same channel of each watch-dog compared, determine the noise source of described TV network according to comparative result, after having determined noise source, can adjust accordingly at this noise source, to eliminate of the influence of this noise source as far as possible to the signal of TV program quality, wherein, should default noise Mathematical Modeling can be Gaussian function, impulse function, comb function, the δ function, in the noise Mathematical Modelings such as Sinc function any one, perhaps also can be, adopt the combination in any in the noise Mathematical Modeling of above-mentioned these types respectively the planisphere data to be calculated noise model, and can draw optimum noise model after the noise model that respectively draws compared at these planisphere data;
Its four: because signal is in the transmission of different centre frequency, the decling phase of communication link should also can be different, quality for the signal transmission that guarantees each signal, the signal that each channel transmitted should satisfy certain harmony, with crosstalking mutually between the signal of avoiding each channel, therefore, can the mass parameter data of each different channels of watch-dog be compared, and judge the equilibrium state of each channel transmitting power on the communication link at place, this watch-dog present position according to comparative result, to help the decay of respective channel the being compensated transmission quality of raising TV network;
Its five: under desirable state, the transmission attenuation of signal on communication link should be 0, can guarantee that so the received quality of signals that signal quality and transmitting terminal sent of receiving terminal satisfies consistency, but, because the length of communication link and each device performance of communication link are to the influence of signal quality, and the noise that may have other seals in communication link, thereby can influence the signal quality of communication link, has certain transmission attenuation when causing TV programme signal on communication link, to be transmitted, at this situation, can compare the described mass parameter data of each watch-dog on same channel, determine the decay of this channel according to comparative result, specifically can be, described mass parameter data at this channel of each adjacent watch-dog correspondence compare, can determine the decay of pairing channel between each adjacent watch-dog according to comparative result, can also so the decay of definite signal on whole communication link, and can be according to the difference of the pairing fading channel between each adjacent watch-dog, determine to adjust the adjustment point and the adjustment mode of described fading channel, compensate with the decay to channel effectively, guarantee signal transmission unimpeded of TV network communication link;
Its six: because in the process of the signal of TV network transmission, may have noise and seal in communication link, influence the signal quality of TV network, at this situation, seal in the link section of communication link in order to find out noise, can set noise objective for each watch-dog in advance, the described mass parameter data of each described watch-dog on same channel are compared, according to the noise objective on the described channel of each described watch-dog, determine that noise seals in the link highway section of TV network, concrete mode can be, the described mass parameter data of each watch-dog on same channel are compared, according to the noise objective of each described watch-dog on this channel, the noise objective excessive or maximum link section of decaying is defined as the link section that noise seals in, thereby, for the maintenance personal of TV network, can directly search fault to this link section, and needn't begin from the source of the node of TV network with the one-level one-level search fault, save workload;
Its seven: because the TV network structure is big, the overlay area is wide, make the communication line of TV network in the framework process, need through each different environment, and different environment can be more or less exerts an influence to the communication link and the communication quality of TV network, at this situation, in order to determine the influence of environment to the signal quality of TV network, can compare the described mass parameter data of each watch-dog on the identical moment, same channel, thereby can determine the influence of environment according to comparative result to the signal quality of TV network.
Wherein, above-mentionedly only describe at several modes of carrying out analysis and judgement wherein according to the measured mass parameter data that obtain, in fact, after measuring the mass parameter data, also can adopt other mode to carry out analysis and judgement, perhaps also can be the combination in any that adopts above-mentioned analysis mode simultaneously, carry out analysis-by-synthesis with quality to communication link.For example, adopt the combination in any of above-mentioned analysis mode to carry out analysis-by-synthesis, the type of the fault that the channel that can judge communication link has occurred, and can orient the position that fault takes place, avoided the monitoring attendant when TV network breaks down, to carry out the investigation process that the one-level one-level is investigated, used manpower and material resources sparingly.
Above-described the embodiments of the present invention do not constitute the qualification to protection range of the present invention.Any modification of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection range of the present invention.
Claims (12)
1. a TV network signal quality supervisory control system comprises monitoring server and the more than one watch-dog that is connected with this monitoring server, and described TV network signal is a digital television signal:
Described monitoring server, be used for sending monitored instruction to each described watch-dog, receive the mass parameter data that each described watch-dog sends, according to described mass parameter data the signal quality of described TV network communication link is analyzed, described monitored instruction comprises quality parameter information;
Each described watch-dog is used to receive described monitored instruction, measures the described mass parameter data of the TV programme at place, this watch-dog present position according to described monitored instruction, and these mass parameter data are sent to described monitoring server.
2. TV network signal quality supervisory control system according to claim 1 is characterized in that each described watch-dog is connected with described monitoring server by cascade system.
3. TV network signal quality supervisory control system according to claim 1 is characterized in that described monitoring server comprises:
Be used to generate the instruction generation module of described monitored instruction;
With first data transmit-receive module that described instruction generation module, described watch-dog are connected, be used for described monitored instruction is sent to described watch-dog, and receive the described mass parameter data that described watch-dog sends;
With the analysis and distinguishing module that described first data transmit-receive module is connected, be used for the signal quality of described TV network communication link being analyzed according to described mass parameter data;
Described watch-dog comprises:
Second data transmit-receive module that is connected with described monitoring server is used to receive described monitored instruction, and the described mass parameter data that the measurement of mass parameter data acquisition module is obtained send to described monitoring server;
With the mass parameter data acquisition module that described second data transmit-receive module is connected, be used for according to described monitored instruction, measure the described mass parameter data at this place, watch-dog present position.
4. TV network signal quality supervisory control system according to claim 3 is characterized in that described monitoring server also comprises:
With the memory module that described first data transmit-receive module, described analysis and distinguishing module are connected, be used for described mass parameter data are stored;
And/or
With the display module that described analysis and distinguishing module is connected, be used for the analysis result of described analysis and distinguishing module is shown.
5. TV network signal quality supervisory control system according to claim 4 is characterized in that, described memory module be stored as provisional storage or permanent storage.
6. according to any described TV network signal quality supervisory control system of claim 1 to 5, it is characterized in that described quality parameter information comprises any one or the combination in any in level, signal to noise ratio, carrier-to-noise ratio, the error rate, planisphere, centre frequency, the center mark rate.
7. the method for supervising of a TV network signal quality supervisory control system, described supervisory control system comprises monitoring server and the more than one watch-dog that is connected with described monitoring server, described TV network signal is a digital television signal, and described method for supervising comprises:
Described monitoring server sends monitored instruction to described watch-dog, and described monitored instruction comprises quality parameter information;
Described watch-dog receives described monitored instruction, measures the mass parameter data that this watch-dog present position is located according to described monitored instruction, and described mass parameter data are sent to described monitoring server;
Described monitoring server receives described mass parameter data, according to described mass parameter data the signal quality of described TV network communication link is analyzed.
8. the method for supervising of TV network signal quality supervisory control system according to claim 7 is characterized in that:
After described monitoring server receives described mass parameter data, also comprise step: described mass parameter data are stored;
And/or
After described monitoring server is analyzed the signal quality of described TV network communication link according to described mass parameter data, also comprise step: described analysis result is shown.
9. the method for supervising of TV network signal quality supervisory control system according to claim 8 is characterized in that, described provisional storage or the permanent storage of saving as.
10. according to the method for supervising of claim 7 or 8 or 9 described TV network signal quality supervisory control systems, it is characterized in that described quality parameter information comprises any one or the combination in any in level, signal to noise ratio, carrier-to-noise ratio, the error rate, planisphere, centre frequency, the center mark rate.
11. the method for supervising according to claim 7 or 8 or 9 described TV network signal quality supervisory control systems is characterized in that, the described mode of the signal quality of described TV network communication link being analyzed according to the mass parameter data comprises:
Described mass parameter data and predetermined threshold value are compared, judge according to described comparative result whether the signal of TV program quality at place, described watch-dog present position reaches standard-required;
And/or
To the planisphere data in the described mass parameter data, adopt default noise Mathematical Modeling that described planisphere data are calculated noise model;
And/or
To the planisphere data in the described mass parameter data, adopt default noise Mathematical Modeling that described planisphere data are calculated noise model;
The noise model on same channel to each described watch-dog compares, and determines the noise source of the noise of described TV network according to comparative result;
And/or
Described mass parameter data to each channel of described watch-dog compare, and judge the transmitting power equilibrium state of each interchannel at place, described watch-dog present position according to comparative result;
And/or
The described mass parameter data of each described watch-dog on same channel are compared, determine the decay of described channel, determine to adjust described fading channel and adjust mode according to comparative result;
And/or
The described mass parameter data of each described watch-dog on same channel are compared,, determine that noise seals in the link section of described TV network according to the noise objective on the described channel of each described watch-dog;
And/or
The described mass parameter data of each described watch-dog on the identical moment, same channel to cascade compare, and determine the influence of environment to the signal quality of TV network communication link according to comparative result.
12. the method for supervising of TV network signal quality supervisory control system according to claim 11, it is characterized in that described default noise Mathematical Modeling is any one or the combination in any in Gaussian function, impulse function, comb function, δ function, the Sinc function noise Mathematical Modeling.
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| CN101521832B true CN101521832B (en) | 2011-04-06 |
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| CN102083104B (en) * | 2009-11-30 | 2014-12-24 | 中国移动通信集团广东有限公司 | Repeater monitoring method and system as well as comprehensive analysis server |
| CN102014294A (en) * | 2010-10-25 | 2011-04-13 | 福建新大陆通信科技股份有限公司 | Method for realizing high-definition hand-hold multi-functional digital video broadcasting-cable (DVB-C) detector |
| CN102036105A (en) * | 2010-12-30 | 2011-04-27 | 广州杰赛科技股份有限公司 | Method and system for multicasting digital TV signal monitoring instructions |
| CN102281457B (en) * | 2011-04-21 | 2013-09-18 | 西安山脉科技发展有限公司 | Remote monitoring device for digital TV signal quality, and implementation method thereof |
| CN102231845A (en) * | 2011-06-14 | 2011-11-02 | 深圳市同洲电子股份有限公司 | Method and device for testing front end of digital television |
| CN102546053B (en) * | 2011-12-20 | 2014-06-18 | 中国人民解放军海军工程大学 | On-line automatic monitoring recording system and method of short-wave transmitter |
| JP6171264B2 (en) * | 2012-03-30 | 2017-08-02 | 株式会社デンソー | Imaging device |
| CN102665110A (en) * | 2012-05-11 | 2012-09-12 | 北京海尔集成电路设计有限公司 | Ground television monitoring method, system, wireless set top box and monitoring server |
| CN103607564B (en) * | 2013-11-11 | 2016-08-17 | 天脉聚源(北京)传媒科技有限公司 | The method and device that a kind of video acquisition based on photographic head realizes |
| JP6176629B2 (en) * | 2013-12-03 | 2017-08-09 | インターナショナル・ビジネス・マシーンズ・コーポレーションＩｎｔｅｒｎａｔｉｏｎａｌ Ｂｕｓｉｎｅｓｓ Ｍａｃｈｉｎｅｓ Ｃｏｒｐｏｒａｔｉｏｎ | Specific device, specific method, and program |
| CN104581386B (en) * | 2014-12-23 | 2017-11-07 | 深圳市九洲电器有限公司 | A kind of television program playing method and system |
| CN105611312A (en) * | 2016-02-05 | 2016-05-25 | 丁锋 | Cinema live broadcasting monitoring management system |
| CN106791821A (en) * | 2016-12-30 | 2017-05-31 | 合网络技术（北京）有限公司 | Play appraisal procedure and device |
| CN108495124A (en) * | 2018-03-27 | 2018-09-04 | 江苏银河数字技术有限公司 | A kind of digital TV network monitoring probe system |
| CN109547296A (en) * | 2019-01-10 | 2019-03-29 | 凌云天博光电科技股份有限公司 | A kind of monitoring method, monitoring modular and the system of cable TV network link signal quality |
| CN110611715B (en) * | 2019-09-23 | 2023-11-28 | 国云科技股份有限公司 | System and method for collecting cloud monitoring information through service links |
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