CN101527867A

CN101527867A - Television network monitoring system and monitoring method thereof

Info

Publication number: CN101527867A
Application number: CN 200910038070
Authority: CN
Inventors: 金志琛; 谭新庚; 王东林; 陈金超; 冼陈建; 苏俊丽; 张俊; 吕亮
Original assignee: GCI Science and Technology Co Ltd
Current assignee: GCI Science and Technology Co Ltd
Priority date: 2009-03-20
Filing date: 2009-03-20
Publication date: 2009-09-09

Abstract

The invention relates to a television monitoring system and a monitoring method thereof. The television monitoring system comprises a monitoring server and monitoring equipment connected with the monitoring server; the monitoring equipment detects and acquires performance parameter data of television programs at a position of the monitoring equipment according to a monitoring instruction of the monitoring server; the monitoring server judges that the television programs at the position of the monitoring equipment have faults or not according to the performance parameter data; and besides, the monitoring equipment can acquire an upgrade file from the monitoring server and upgrade for updating after receiving a remote upgrade request, or acquire an upgrade file inserted into a TS stream from the TS stream of the television programs and upgrade for updating according to the upgrade file, thereby the fault position of the television programs can be timely and effectively judged, automatic upgrade of the monitoring equipment can be achieved, human and material resources are saved and the operation cost is reduced.

Description

Television network monitoring system and method for supervising thereof

Technical field

The present invention relates to the TV network monitoring technique, particularly a kind of television network monitoring system and method for supervising thereof.

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 is big owing to having the transmission data capacity, network architecture low cost and other advantages, become in the prior art the most ripe, the highest TV programme transmission network of marketization degree, in existing various TV network structures, TV programme all be one-way be transferred to the television set of user side, because the unidirectional characteristic of TV network, can't understand the broadcast situation and the broadcast quality thereof of the TV programme of each node in the TV network by far-end, therefore, when problem has appearred in the quality of TV programme, the TV network maintenance personal need arrive user house and check fault step by step, expend a large amount of human and material resources, the recovery progress is slow, is unfavorable for the timely recovery of television program quality.

Summary of the invention

Problem at above-mentioned existence, the object of the present invention is to provide a kind of television network monitoring system and method for supervising thereof, it can judge the position that TV programme breaks down effectively, in time, be convenient to maintenance and the monitoring of attendant to whole TV network, and can be in the time need upgrading to application software of watch-dog etc., can realize automatic renewal upgrading,, cut operating costs with the resource that uses manpower and material resources sparingly to watch-dog.

For achieving the above object, the technical solution used in the present invention is:

A kind of television network monitoring system comprises monitoring server and the watch-dog that is connected with described monitoring server:

Described monitoring server, be used for sending monitored instruction to described watch-dog, receive the performance parameter data of described watch-dog transmission and the identifying information of described watch-dog, determine described watch-dog present position according to described identifying information, whether the TV programme of judging place, described watch-dog present position according to described performance parameter data breaks down, and be used for sending the remote upgrade solicited message to described watch-dog, receive the reception file request information that described watch-dog sends, and upgrade file is sent to described watch-dog;

Described watch-dog, be used for detecting the described performance parameter data of the TV programme of obtaining this place, watch-dog present position according to described monitored instruction, and described performance parameter data and described identifying information are sent to described monitoring server, this watch-dog also is used to receive described remote upgrade request, and send described reception file request to described monitoring server, receive described upgrade file, and according to the renewal of upgrading of described upgrade file.

Described monitoring server, be used for sending monitored instruction to described watch-dog, receive the performance parameter data of described watch-dog transmission and the identifying information of described watch-dog, determine described watch-dog present position according to described identifying information, judge according to described performance parameter data whether the TV programme at place, described watch-dog present position breaks down;

Described watch-dog, be used to detect and obtain the TS stream of the TV programme of locating this watch-dog present position, detect the described performance parameter data of obtaining described TS stream according to described monitored instruction, and described performance parameter data and described identifying information are sent to described monitoring server, this watch-dog also is used for obtaining upgrade parameter from the NIT table of described TS stream, filter and obtain upgrade file in the described TS stream according to described upgrade parameter, and according to the renewal of upgrading of described upgrade file, described upgrade parameter comprises the PID of described upgrade file, frequency, symbol rate, modulation system.

A kind of method for supervising of television network monitoring system, described television network monitoring system comprise watch-dog and the monitoring server that is connected with described watch-dog, and described method for supervising comprises:

Described monitoring server sends monitored instruction to described watch-dog;

Described watch-dog detects the performance parameter data of obtaining TV programme according to described monitored instruction, and the identifying information of described performance parameter data and this watch-dog is sent to described monitoring server;

Described monitoring server is determined described watch-dog present position according to described identifying information, judges according to described performance parameter data whether the TV programme at place, described watch-dog present position breaks down;

Described monitoring server sends the remote upgrade request to described watch-dog;

Described watch-dog receives described remote upgrade request, sends to described monitoring server and receives file request;

Described monitoring server receives described reception file request, and upgrade file is sent to described watch-dog;

Described watch-dog receives described upgrade file, and according to the renewal of upgrading of described upgrade file.

Described watch-dog detects and obtains the TS stream of the TV programme at this place, watch-dog present position, monitored instruction according to the described monitoring server that receives obtains the performance parameter data that described TS flows, and the identifying information of described performance parameter data and this watch-dog is sent to described monitoring server;

The NIT table of described watch-dog from described TS stream obtains upgrade parameter, filter and obtain upgrade file in the described TS stream according to described upgrade parameter, and according to the renewal of upgrading of described upgrade file, described upgrade parameter comprises PID, frequency, symbol rate, the modulation system of described upgrade file.

Scheme according to the invention described above, watch-dog can detect the performance parameter data of the TV programme of obtaining its place, present position according to the monitored instruction of monitoring server, thereby monitoring server can be judged the TV programme of locating this watch-dog present position according to those performance parameter data whether fault has taken place, thereby under the situation that the TV programme that TV user is arranged breaks down, need not manually to go to search corresponding fault point, can be in time, judge the position that TV programme breaks down effectively, be convenient to the monitoring of attendant to whole TV network, in addition, watch-dog can also be after the remote upgrade request that receives monitoring server obtains the upgrade file renewal of upgrading from monitoring server, or from the TS of TV programme stream, obtain the upgrade file that is inserted in this TS stream, and according to the upgrade file renewal of upgrading, thereby, when needs upgrade watch-dog, can need not that the watch-dog foldback is gone back to producer upgrades, realize the auto-update of watch-dog, save human and material resources, reduced operation cost.

Description of drawings

Fig. 1 is the general structure schematic diagram of television network monitoring system of the present invention;

Fig. 2 is the structural representation of television network monitoring system embodiment one of the present invention;

Fig. 3 is the structural representation of television network monitoring system embodiment two of the present invention;

Fig. 4 is the structural representation of television network monitoring system embodiment three of the present invention;

Fig. 5 is the structural representation of television network monitoring system embodiment four of the present invention;

Fig. 6 is the structural representation of television network monitoring system embodiment five of the present invention;

Fig. 7 is the structural representation of television network monitoring system embodiment six of the present invention;

Fig. 8 is the structural representation of television network monitoring system embodiment seven of the present invention;

Fig. 9 is the structural representation of television network monitoring system embodiment eight of the present invention;

Figure 10 is the structural representation of television network monitoring system embodiment nine of the present invention;

Figure 11 is the structural representation of television network monitoring system embodiment ten of the present invention;

Figure 12 is the structural representation of television network monitoring system embodiment 11 of the present invention;

Figure 13 is the structural representation of television network monitoring system embodiment 12 of the present invention;

Figure 14 is the upgrading schematic flow sheet of TV network method for supervising embodiment one of the present invention;

Figure 15 is the upgrading schematic flow sheet of TV network method for supervising embodiment two of the present invention.

Embodiment

Referring to shown in Figure 1, it is the general structure schematic diagram of television network monitoring system of the present invention, at least 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 whole TV network, watch-dog 102 can be arranged on the node place of TV network, for example floor user or one deck floor user's electrical nodes or optical node place, also can be arranged on cable TV subscriber's terminal, promptly can a watch-dog 102 be set in each cable TV subscriber's terminal, for to construction cost and safeguard consideration on the complexity, this watch-dog 102 can be arranged on the node place of TV network usually.

Wherein, this each watch-dog 102, be used to receive the monitored instruction that monitoring server 101 sends, and according to this monitored instruction, the correlated performance supplemental characteristic of the TV programme at this place, watch-dog 102 present positions is obtained in detection, and the identifying information of described correlated performance supplemental characteristic and this watch-dog 102 is sent to described monitoring server 101;

This monitoring server 101, be used for sending described monitored instruction to described watch-dog 102, receive described correlated performance supplemental characteristic, described identifying information that watch-dog 102 sends, and determine described watch-dog 102 and present position thereof according to described identifying information, judge according to described correlated performance supplemental characteristic whether the TV programme at this place, watch-dog 102 present positions breaks down.

Wherein, described correlated performance supplemental characteristic, can be signal to noise ratio, carrier-to-noise ratio, bit error rate, level, frequency, symbol rate, PSI/SI data, program image or the like, also can be other relevant performance data or the form data of TV programme, or the combination in any of these supplemental characteristics, can be different according to the difference of application choice needs.

In addition, the living environment of considering TV user is different, TV signal enters the circuit installation of TV user and moves towards also different, therefore, watch-dog in the television network monitoring system of the present invention the environmental correclation of also living with TV user in the infield is set, in addition, owing to will consider the influence of the installation of watch-dog simultaneously to the convenience and the aesthetic property of surrounding environment, there is a large amount of watch-dogs may need to be installed in the abominable place of environment, high-altitude for example, underground piping, places such as pipe well, therefore, in case when update content has appearred in system, perhaps leak has appearred in watch-dog, perhaps watch-dog need increase new function or the like and need upgrade when upgrading to watch-dog, according to upgrading mode of the prior art, the system maintenance personnel need spend a large amount of energy and enter relevant local, this watch-dog being brought back places such as manufacturer upgrades, watch-dog after will upgrading again is mounted on original installation node place, so not only can bring safety issue, and can cause expending of lot of manpower and material resources the maintenance personal.

Based on above-mentioned consideration, the watch-dog 102 of television network monitoring system of the present invention, should receive or obtain relevant upgrade file, to realize remote upgrade operation to watch-dog, therefore, should include the upgrading module in the watch-dog 102, with renewal that watch-dog is upgraded.In addition, for the difference of the strategy that is adopted, watch-dog can obtain upgrade file in different ways, below is described in detail at each different execution mode.

Embodiment one:

As shown in Figure 2, it is the structural representation of television network monitoring system embodiment one of the present invention, in the present embodiment, when upgrading, watch-dog receives, obtains upgrade file according to the remote upgrade request that monitoring server sends from monitoring server, and according to the renewal of upgrading of this upgrade file.

As shown in Figure 2, in the television network monitoring system of present embodiment, monitoring server 201 specifically comprises:

Message instruction generation module 2010, be used to generate monitored instruction and remote upgrade request, wherein, comprise the address information of upgrade server, the information such as access port of upgrade server in this remote upgrade request, the address information of this upgrade server can be the IP address, in addition, can also include the size of upgrade file, the type of upgrade file, the information such as version information of upgrade file in this remote upgrade request;

First data transmit-receive module 2011 that is connected with message instruction generation module 2010, watch-dog 202, be used for the described monitored instruction that message instructs generation module 2010 to generate is sent to watch-dog 202, receive performance parameter data, identifying information and reception file request that watch-dog 202 sends, and the upgrade file that stores in the memory module 2013 is sent to watch-dog 202 according to described reception file request;

With the determination module 2012 that first data transmit-receive module 2011 is connected, be used for determining watch-dog 202 and present position thereof according to described identifying information, judge according to described performance parameter data whether the TV programme of watch-dog 202 corresponding positions breaks down;

Memory module 2013 with first data transmit-receive module 2011 is connected is used to store upgrade file, and wherein, this memory module 2013 can be a permanent storage, also can be provisional storage;

Watch-dog 202 specifically comprises:

Second data transmit-receive module 2020 that is connected with monitoring server 201, be used to receive monitored instruction and the remote upgrade request that monitoring server 201 sends, and send the identifying information of reception file request, this watch-dog 202 and the described performance parameter data that data acquisition module 2021 detects acquisition to monitoring server 201;

TS flows receiver module 2021, is used to detect the TS stream of the TV programme that receives this place, watch-dog 202 present positions;

With the data acquisition module 2022 that second data transmit-receive module 2020, TS stream receiver module 2021 are connected, it detects the TS stream that receives from TS stream receiver module 2021 according to described monitored instruction and obtains described performance parameter data;

Be connected 2020 message generating module 2023 with second data transmit-receive module, be used to generate described reception file request;

And the upgrading module 2024 that is connected with second data transmit-receive module 2020, be used for according to the described upgrade file that second data transmit-receive module 2020 the receives renewal of upgrading.

According to the television network monitoring system in the above-mentioned present embodiment, the TS stream receiver module 2021 of watch-dog 202 detects the TS stream of the TV programme that receives this place, watch-dog 202 present positions, data acquisition module 2022 detects the performance parameter data of obtaining the TV programme of this watch-dog present position in the TS stream that receives according to the monitored instruction of monitoring server 201 from TS stream receiver module 2021, second data transmit-receive module 2020 of watch-dog 202 sends the identifying information of these performance parameter data and this watch-dog 202 to monitoring server 201, thereby, monitoring server 201 can be judged this watch-dog 202 present positions according to the identifying information of this watch-dog 202, and judge the TV programme of locating these watch-dog 202 present positions according to these performance parameter data and whether break down, thereby can be timely, judge the position that TV programme breaks down effectively, be convenient to the monitoring of attendant whole TV network.In addition, when needs are upgraded renewal to watch-dog 202, monitoring server 201 sends the remote upgrade request to watch-dog 202, after watch-dog 202 receives, generate and send and receive file request, after monitoring server 201 receives this reception file request to monitoring server 201, send upgrade file to watch-dog 202, watch-dog 202 receives upgrade files, and according to renewals of upgrading of this upgrade file, realization remote upgrade.

Wherein, receive the remote upgrade request of monitoring server 201 transmissions at watch-dog 202 after, can also send the feedback information that has received the remote upgrade request to monitoring server 201, to avoid monitoring server 201 to repeat to send the remote upgrade request to this watch-dog 202, this feedback information can be to be produced by message generating module 2022.

In addition, because watch-dog 202 is distributed in the TV network structure everywhere, therefore, consideration for cost savings and operating characteristics, usually can use embedded device to make up this watch-dog 202, and owing to the limited and stored data volume in the space of embedded device is less relatively, therefore, in the upgrade file that monitoring server 201 is sent, it can be the AKU file that has comprised each application program in the watch-dog 202, and can be the new program file behind each application program update in the watch-dog 202, promptly, this upgrade file can be the file that has comprised each application program upgraded of upgrading, and this upgrade file can be to be compiled into relevant execute file, therefore, and when specifically upgrading, can be under the situation of the system parameters that keeps watch-dog 202, the original program file of this upgrade file and watch-dog 202 is replaced be got final product.

After having obtained upgrade file, watch-dog 202 can also be to adopt upgrading update mode of the prior art according to the upgrade file mode of upgrading of upgrading, for example upgrade file is write the buffer memory of watch-dog, after watch-dog upgrading renewal is finished, with this upgrade file deletion in the buffer memory or the like, will not add to give unnecessary details again at this.

Wherein, the television network monitoring system in the present embodiment can be to be applied to hfc plant.

Embodiment two:

Referring to shown in Figure 3, be the structural representation of television network monitoring system embodiment two of the present invention.In the present embodiment, the difference with the foregoing description one is that mainly the watch-dog 202 of the television network monitoring system in the present embodiment also comprises:

Be connected in the deciphering module 2025 between second data transmit-receive module 2020 and the upgrading module 2024, be used for the upgrade file of encrypting is decrypted operation;

In the present embodiment, for consideration to the confidentiality of upgrade file, at monitoring server 201 when watch-dog 202 sends upgrade files, also upgrade file has been carried out encryption, after watch-dog 202 receives upgrade file from monitoring server 201, promptly this upgrade file is decrypted operation, behind the upgrade file after obtaining deciphering, can be according to the renewal of upgrading of the upgrade file after this deciphering.

At this moment, at monitoring server 201 in the remote upgrade request that watch-dog 202 sends, can also include the encryption mode that this upgrade file is carried out encryption, receive the upgrade file of encryption at watch-dog 201 after, deciphering module 2025 can be decrypted operation to the upgrade file of this encryption according to the encryption mode in the remote upgrade request.

In addition, above-mentioned elaboration is to describe to include encryption mode at monitoring server 201 in the remote upgrade request that watch-dog 202 sends, in fact, also can be when watch-dog 202 comes into operation, to store encryption mode at these watch-dog 202 places, at this moment, in the remote upgrade request that monitoring server 201 sends, then can not include encryption mode, after watch-dog 202 receives the upgrade file of encryption, can be decrypted operation according to this encryption mode that stores, and corresponding upgrade file is deciphered and obtained to this mode according to the encryption mode in this remote upgrade request after can avoiding the request of illegality equipment intercepting remote upgrade.

Identical in other technologies feature in the present embodiment and the foregoing description one will not be added to give unnecessary details at this.

Embodiment three:

Referring to shown in Figure 4, be the structural representation of television network monitoring system embodiment three of the present invention.In the present embodiment, the difference with the foregoing description one is that mainly the watch-dog 202 of the television network monitoring system in the present embodiment also comprises:

Be connected in the verification module 2026 between second data transmit-receive module 2020 and the upgrading module 2024, be used for upgrade file being carried out verification operation according to the verification mode of remote upgrade request;

At this moment, in the remote upgrade request that watch-dog 201 is generated, can also include the checking mode of upgrade file.

In the present embodiment, for consideration to the transmission security of upgrade file, also upgrade file has been added check code, monitoring server 201 is in the remote upgrade request that watch-dog 202 sends, include the verification mode of this upgrade file being carried out verification, after watch-dog 202 receives upgrade file from monitoring server 201, according to the verification mode in the remote upgrade request this upgrade file is carried out verification, judge whether the check code that calculates gained is consistent with the check code that is additional to upgrade file, if it is consistent, then this upgrade file is not distorted, can be according to the renewal of upgrading of this upgrade file, if inconsistent, then this upgrade file can be abandoned, and be initiated to receive file request to monitoring server again.

Wherein, above-mentioned verification mode can be verification modes such as CRC check, parity check, also can be the verification mode that adopts other.

Embodiment four:

Referring to shown in Figure 5, be the structural representation of television network monitoring system embodiment four of the present invention.In the present embodiment, the difference with the foregoing description two is that mainly the watch-dog 202 of the television network monitoring system in the present embodiment also comprises:

Be connected in the verification module 2026 between deciphering module 2025 and the upgrading module 2024, be used for upgrade file being carried out verification operation according to the verification mode of remote upgrade request;

In addition, the watch-dog 202 of the television network monitoring system in the present embodiment also comprises:

Descrambling module 2027 with TS stream receiver module 2021 is connected with data acquisition module 2022 is used for the described TS stream of scrambling is carried out descrambling operation;

At this moment, described data acquisition module 2022 when obtaining described performance parameter data according to described monitored instruction, is to obtain described performance parameter data the TS stream behind descrambling module 2027 descramblings.

Identical in other technologies feature in the present embodiment and the foregoing description two will not be added to give unnecessary details at this.

Wherein, in above-mentioned explanation to embodiment one to embodiment four, only describe to have descrambling module 2027 among the embodiment four, in fact, increasing descrambling module 2027 is to consider: in the transmission course of TS stream, for security of File Transfer and confidentiality, can carry out CA (Conditional Access to the TS stream of upgrade file, the visit of having ready conditions) scrambling operation is with fail safe and the confidentiality demand that satisfies upgrade file, therefore, pass through to increase descrambling module 2027 in the foregoing description four, carry out the CA descrambling operation with TS stream, to restore corresponding original TS stream, correctly to obtain the related data in the TS stream to the CA scrambling.Based on above-mentioned consideration, also can be in the various embodiments described above of the foregoing description one to embodiment three, all include the descrambling module 2027 that is connected with TS stream receiver module 2021, data acquisition module 2022, other implementation, can be respectively with the various embodiments described above in identical, do not repeat them here.

Embodiment five:

As shown in Figure 6, be the structural representation of television network monitoring system embodiment five of the present invention, in the present embodiment, by in the TS of TV programme stream, inserting upgrade file, watch-dog is by obtaining upgrade file from TS stream, and according to the renewal of upgrading of this upgrade file.

As shown in Figure 6, in the television network monitoring system of present embodiment, monitoring server 201 specifically comprises:

Message instruction generation module 2010 is used to generate monitored instruction;

First data transmit-receive module 2011 that is connected with message instruction generation module 2010, watch-dog 202, be used for the described monitored instruction that message instructs generation module 2010 to generate is sent to watch-dog 202, receive performance parameter data and identifying information that watch-dog 202 sends;

And the determination module 2012 that is connected with first data transmit-receive module 2011, be used for determining described watch-dog and present position thereof, and judge according to described performance parameter data whether the TV programme of described watch-dog corresponding position breaks down according to described identifying information;

Watch-dog 202 specifically comprises:

Second data transmit-receive module 2020 that is connected with monitoring server 201, be used to receive the described monitored instruction that monitoring server 201 sends, and the described performance parameter data of data acquisition module 2021 detection acquisitions and the identifying information of this watch-dog 202 are sent to monitoring server 201;

With second data transmit-receive module 2020, the data acquisition module 2022 that TS stream receiver module 2021 connects, be used for obtaining upgrade parameter from the NIT table of described TS stream, filter and obtain upgrade file in the described TS stream according to described upgrade parameter, and from described TS stream, obtain described performance parameter data according to described monitored instruction, described upgrade parameter comprises the PID (Packet Identifier) of described upgrade file, the PID of this upgrade file be used in reference to and identify the file of upgrade file in TS stream, upgrade parameter can also comprise the file size of upgrade file, the file type of upgrade file, frequency, symbol rate, parameter informations such as modulation system;

And the upgrading module 2024 that is connected with data acquisition module 2022, be used for according to the described upgrade file that data acquisition module 2022 the obtains renewal of upgrading.

According to the television network monitoring system in the present embodiment, after watch-dog 202 detects the TS stream of TV programme, relevant performance parameter data are obtained in monitored instruction detection from TS stream according to monitoring server 201, and the identifying information of these performance parameter data and this watch-dog 202 sent to monitoring server 201, thereby, monitoring server 201 can be determined this watch-dog 202 and present position thereof according to the identifying information of this watch-dog 202, and judge the TV programme of locating these watch-dog 202 present positions according to these performance parameter data and whether break down, thereby can be timely, judge the position that TV programme breaks down effectively, be convenient to the monitoring of attendant whole TV network.In addition, when needs are upgraded renewal to watch-dog 202, corresponding upgrade file can be inserted in the TS stream of TV programme, watch-dog 202 can be directly obtains upgrade parameter from the NIT table of the TS stream of TV programme, according to the upgrade file in the upgrade parameter acquisition TS stream, and, realize remote upgrade according to the renewal of upgrading of this upgrade file.

In this scheme of present embodiment, the upgrade file of watch-dog 202 is to be inserted in the TS stream of TV programme, and in the NIT table, insert relevant upgrade parameter, this upgrade parameter comprises the PID (Packet Identifier) of upgrade file, the PID of this upgrade file be used in reference to and illustrate that the position of upgrade file in TS stream, upgrade parameter can also comprise information such as the type, frequency, symbol rate, modulation system of size, the upgrade file of upgrade file.It can be EPG (Electronic Program Guide by television network monitoring system that upgrade file is inserted into specific operation process in the TS stream, electric program menu) server carries out, also available multiplexer is multiplexed into program TS stream the inside with upgrade file, watch-dog 202 is by obtaining and the NIT table being analyzed, after the PID that obtains upgrade file, frequency, symbol rate, modulation system, can search and obtain upgrade file according to this PID, and according to the upgrade file renewal of upgrading.

Embodiment six:

As shown in Figure 7, be the structural representation of television network monitoring system embodiment six of the present invention, in the present embodiment, be mainly that with the difference of the foregoing description five watch-dog 202 in the present embodiment also comprises:

Descrambling module 2027 with TS stream receiver module 2021, data acquisition module 2022 are connected is used for the TS stream of CA scrambling is carried out descrambling operation.

In the present embodiment, consider that upgrade file is to give watch-dog by the TS flow transmission, and in the transmission course of TS stream, consider security of File Transfer and confidentiality, can carry out CA (Conditional Access to the TS stream of upgrade file, the visit of having ready conditions) scrambling operation, with fail safe and the confidentiality demand that satisfies upgrade file, therefore, pass through to increase descrambling module 2027 in the present embodiment, carry out the CA descrambling operation with TS stream to the CA scrambling, to restore corresponding original TS stream, correctly to obtain the related data in the TS stream, after descrambling module 2027 carried out the CA descrambling operation, data acquisition module 2022 can be according to obtaining upgrade file the TS stream of upgrade parameter behind descrambling module 2027 descramblings.

Wherein, the specific implementation of CA scrambling, CA descrambling, can be identical with scrambling of the prior art, descrambling mode, for example, filter and obtain pmt table in the TS stream, obtain ECMPID by search, and obtain corresponding ECM data according to ECMPID, and derive corresponding CA scrambling key according to this ECM data reduction, and according to CA scrambling key TS stream is carried out descrambling operation, the TS stream of CA scrambling is reduced or the like then, will not add to give unnecessary details at this.

Identical in other technologies feature in the present embodiment and the foregoing description six do not repeat them here.

Embodiment seven:

As shown in Figure 8, be the structural representation of television network monitoring system embodiment seven of the present invention, in the present embodiment, be mainly that with difference in the foregoing description five watch-dog 202 in the present embodiment also comprises:

Be connected in the deciphering module 2025 between data acquisition module 2022 and the upgrading module 2024, be used for the upgrade file of encrypting being decrypted operation according to the encryption mode of upgrade parameter.

At this moment, the upgrade parameter in the described NIT table also includes the encryption mode of upgrade file.

In the present embodiment, for consideration to the confidentiality of upgrade file, when upgrade file being inserted TS stream, also upgrade file has been carried out encryption, in the upgrade parameter that inserts the NIT table, also include the encryption mode of upgrade file, watch-dog 202 has obtained after the upgrade file from TS stream, also the upgrade file of this encryption is decrypted operation according to the encryption mode in the upgrade parameter, behind the upgrade file after obtaining deciphering, can be according to the renewal of upgrading of the upgrade file after this deciphering.

Identical in other technologies feature in the present embodiment and the foregoing description five will not be added to give unnecessary details at this.

Embodiment eight:

As shown in Figure 9, be the structural representation of television network monitoring system embodiment eight of the present invention, in the present embodiment, be mainly that with difference in the foregoing description five watch-dog 202 in the present embodiment also comprises:

Be connected in the verification module 2026 between data acquisition module 2022 and the upgrading module 2024, be used for upgrade file being carried out verification according to the verification mode of upgrade parameter.

At this moment, the upgrade parameter in the described NIT table also includes the verification mode of upgrade file.

In the present embodiment, for consideration to the transmission security of upgrade file, when upgrade file being inserted TS stream, also upgrade file has been added check code, in the upgrade parameter of NIT table, include the verification mode of this upgrade file being carried out verification, watch-dog 202 obtains upgrade file from TS stream after, verification mode according to the upgrade parameter in the NIT table is carried out verification to this upgrade file, judges whether the check code that calculates gained is consistent with the check code that is additional to upgrade file, if consistent, then this upgrade file is not distorted, can if inconsistent, then this upgrade file can be abandoned according to the renewal of upgrading of this upgrade file.

Embodiment nine:

As shown in figure 10, be the structural representation of television network monitoring system embodiment nine of the present invention, in the present embodiment, be mainly that with difference in the foregoing description six watch-dog 202 in the present embodiment also comprises:

In the present embodiment, for consideration to the confidentiality of upgrade file, for the TS stream that adopts CA scrambling mode to transmit, when upgrade file being inserted TS stream, also upgrade file has been carried out encryption, in the upgrade parameter that inserts the NIT table, also include the encryption and decryption mode of upgrade file, obtained after the upgrade file the TS stream of watch-dog 202 behind the CA descrambling, also the upgrade file of this encryption is decrypted operation according to the encryption mode in the upgrade parameter, behind the upgrade file after obtaining deciphering, can be according to the renewal of upgrading of the upgrade file after this deciphering.

Identical in other technologies feature in the present embodiment and the foregoing description six will not be added to give unnecessary details at this.

Embodiment ten:

As shown in figure 11, be the structural representation of television network monitoring system embodiment ten of the present invention, in the present embodiment, be mainly that with difference in the foregoing description six watch-dog 202 in the present embodiment also comprises:

In the present embodiment, for consideration to the transmission security of upgrade file, for the TS stream that adopts CA scrambling mode to transmit, when upgrade file being inserted TS stream, also upgrade file has been added check code, in the upgrade parameter of NIT table, include the verification mode of this upgrade file being carried out verification, watch-dog 202 obtains upgrade file from TS stream after, verification mode according to the upgrade parameter in the NIT table is carried out verification to this upgrade file, judge whether the check code that calculates gained is consistent with the check code that is additional to upgrade file, if consistent, then this upgrade file is not distorted, can be according to the renewal of upgrading of this upgrade file, if inconsistent, then this upgrade file can be abandoned.

Embodiment 11:

As shown in figure 12, be the structural representation of television network monitoring system embodiment 11 of the present invention, in the present embodiment, be mainly that with difference in the foregoing description seven watch-dog 202 in the present embodiment also comprises:

Be connected in the verification module 2026 between deciphering module 2025 and the upgrading module 2024, be used for upgrade file being carried out verification according to the verification mode of upgrade parameter.

In the present embodiment, for consideration to the transmission security of upgrade file, when upgrade file being inserted TS stream, not only upgrade file has been carried out encryption, also upgrade file has been added check code, in the upgrade parameter of NIT table, include the verification mode of this upgrade file being carried out verification, watch-dog 202 obtains upgrade file from TS stream after, verification mode according to the upgrade parameter in the NIT table is carried out verification to this upgrade file, judge whether the check code that calculates gained is consistent with the check code that is additional to upgrade file, if consistent, then this upgrade file is not distorted, can be according to the renewal of upgrading of this upgrade file, if inconsistent, then this upgrade file can be abandoned.

Identical in other technologies feature in the present embodiment and the foregoing description 11 will not be added to give unnecessary details at this.

Embodiment 12:

As shown in figure 13, be the structural representation of television network monitoring system embodiment eight of the present invention, in the present embodiment, be mainly that with difference in the foregoing description nine watch-dog 202 in the present embodiment also comprises:

In the present embodiment, for consideration to the transmission security of upgrade file, for the TS stream that adopts CA scrambling mode to transmit, when upgrade file being inserted TS stream, not only upgrade file has been carried out encryption, also upgrade file has been added check code, in the upgrade parameter of NIT table, include the verification mode of this upgrade file being carried out verification, watch-dog 202 obtains upgrade file from TS stream after, verification mode according to the upgrade parameter in the NIT table is carried out verification to this upgrade file, judges whether the check code that calculates gained is consistent with the check code that is additional to upgrade file, if consistent, then this upgrade file is not distorted, can if inconsistent, then this upgrade file can be abandoned according to the renewal of upgrading of this upgrade file.

Identical in other technologies feature in the present embodiment and the foregoing description nine will not be added to give unnecessary details at this.

Wherein, in the explanation of the foregoing description five to embodiment 12, all be from TS stream, to obtain upgrade file automatically with data transmit-receive module 2022, and upgrade according to this upgrade file and describe by upgrading module 2024, in fact, also can be to send the instruction of from TS stream, obtaining upgrade file to watch-dog 202 by monitoring server 201, receive this obtains the instruction of upgrade file from TS stream after at watch-dog 202, the data acquisition module 2022 of watch-dog 202 obtains upgrade file again from the TS stream that TS stream receiver module 2021 obtains, other each specific implementation can be respectively with the various embodiments described above in identical, do not repeat them here.

According to the television network monitoring system that is the invention described above, the present invention also provides the method for supervising of television network monitoring system.

In the method for supervising of television network monitoring system of the present invention, in order to judge the position that TV programme breaks down effectively, in time, be convenient to maintenance and the monitoring of attendant to whole TV network, concrete method for supervising comprises step:

Monitoring server sends monitored instruction to watch-dog, can include the identifying information of watch-dog in this monitored instruction;

The watch-dog corresponding with above-mentioned identifying information receives this monitored instruction, and detect the correlated performance supplemental characteristic of the TV programme of obtaining this place, watch-dog present position according to this monitored instruction, and the identifying information of this correlated performance supplemental characteristic and this watch-dog sent to monitoring server, wherein, the correlated performance supplemental characteristic here, it can be signal to noise ratio, carrier-to-noise ratio, bit error rate, level, frequency, symbol rate, the PSI/SI data, program image or the like, also can be other relevant performance data or the form data of also TV programme, or the combination in any of these supplemental characteristics, can be different according to the difference of application choice needs.

After monitoring server receives the identifying information of correlated performance supplemental characteristic that watch-dog sends and watch-dog, determine watch-dog and present position thereof according to the identifying information of watch-dog, and judge according to the correlated performance supplemental characteristic whether the TV programme at this place, watch-dog present position breaks down.

In addition,, adopts tactful difference according to institute watch-dog being upgraded when upgrading, can be in different ways, below wherein two specific embodiments when carrying out the remote upgrade renewal at watch-dog be described in detail.

Embodiment one:

As shown in figure 14, be the upgrading schematic flow sheet of TV network method for supervising embodiment one of the present invention, in the present embodiment, watch-dog upgrades from the relevant upgrade file of monitoring server reception according to the remote upgrade request of monitoring server.

As shown in figure 14, the upgrading mode in the present embodiment comprises step:

Step S101: monitoring server sends the remote upgrade request to watch-dog, can include updating software release number, the address information of upgrade server, the information such as access port of upgrade server in this remote upgrade request, the address information of this upgrade server can be the IP address information, can also include the size information of upgrade file and the information such as type of upgrade file in its this remote upgrade request, enter step S102;

Step S102: watch-dog receives this remote upgrade request, and sends the feedback information that has received this remote upgrade request to monitoring server, enters step S103;

Step S103: watch-dog sends to monitoring server and receives file request, enters step S104;

Step S104: monitoring server receives this reception file request, sends upgrade file to watch-dog, and wherein, monitoring server can be based on ICP/IP protocol and send to the mode of watch-dog transmission upgrade file, enters step S105 subsequently;

Step S105: watch-dog receives the upgrade file that monitoring server sends, and enters step S108;

Step S108: watch-dog is according to the renewal of upgrading of this upgrade file.

Upgrading mode according to the watch-dog in the present embodiment, when needs are upgraded renewal to watch-dog, monitoring server sends the remote upgrade request to watch-dog, after watch-dog receives this remote upgrade request, generate and send and receive file request to monitoring server, after receiving, obtain upgrade file from monitoring server, according to renewals of upgrading of this upgrade file, realization remote upgrade

In addition, because watch-dog is distributed in the TV network structure everywhere, therefore, consideration for cost savings and operating characteristics, usually can use embedded device to make up this watch-dog, and owing to the limited and stored data volume in the space of embedded device is less relatively, therefore, in the upgrade file that monitoring server sent, it can be the AKU file that has comprised each application program in the watch-dog, and can be the new program file behind each application program update in the watch-dog, promptly, this upgrade file can be the file that has comprised each application program upgraded of upgrading, and this upgrade file can be to be compiled into relevant execute file, therefore, and when specifically upgrading, can be under the situation of the system parameters that keeps watch-dog, the original program file of this upgrade file and watch-dog is replaced be got final product.

After having obtained upgrade file, watch-dog can also be to adopt upgrading update mode of the prior art according to the upgrade file mode of upgrading of upgrading, for example upgrade file is write the buffer memory of watch-dog, after watch-dog upgrading renewal is finished, with this upgrade file deletion in the buffer memory or the like, will not add to give unnecessary details again at this.

Wherein, for consideration to the confidentiality of upgrade file, can also carry out encryption to upgrade file, at this moment, at monitoring server in the remote upgrade request that watch-dog sends, the encryption mode that this upgrade file is carried out encryption can also be included, between step S105 and step S108, step can also be included:

Step S106: watch-dog is decrypted upgrade file according to the encryption mode in the remote upgrade request.

After watch-dog is decrypted operation, obtains the upgrade file after the deciphering this upgrade file according to the encryption mode in the remote upgrade request, can be according to the renewal of upgrading of the upgrade file after this deciphering.

Wherein, above-mentioned elaboration is to describe to include encryption mode at monitoring server in the remote upgrade request that watch-dog sends, in fact, also can be when watch-dog comes into operation, to store fixing encryption mode in advance at this watch-dog, at this moment, in the remote upgrade request that monitoring server sends, then can not include encryption mode, at this moment, described step S106 then is:

Step S106: watch-dog is decrypted operation according to stored encryption mode to the upgrade file of encrypting.And corresponding upgrade file is deciphered and obtained to this mode according to the encryption mode in this remote upgrade request after can avoiding the request of illegality equipment intercepting remote upgrade.

In addition, for consideration to the transmission security of upgrade file, can also be to the additional check code of upgrade file, at this moment, at monitoring server in the remote upgrade request that watch-dog sends, also include the verification mode of this upgrade file being carried out verification, and, also include step between step S105 and the step S108 or between step S106 and the step S108:

Step S107: watch-dog carries out verification according to the verification mode in the remote upgrade request to upgrade file.

Watch-dog carries out verification according to the verification mode in the remote upgrade request to this upgrade file, judge whether the check code that calculates gained is consistent with the check code that is additional to upgrade file, if it is consistent, then this upgrade file is not distorted, can be according to the renewal of upgrading of this upgrade file, if inconsistent, then this upgrade file can be abandoned, and be initiated to receive file request to monitoring server again.

Wherein, the method for supervising of the television network monitoring system in the present embodiment can be to be applied to hfc plant.

Embodiment two:

As shown in figure 15, be the upgrading schematic flow sheet of TV network method for supervising embodiment one of the present invention, in the present embodiment, by in the TS of TV programme stream, inserting upgrade file, after watch-dog detects, obtains TS stream, from TS stream, extract and obtain the upgrade file renewal of upgrading.

As shown in figure 15, the upgrading mode in the present embodiment comprises step:

Step S201: watch-dog detects and obtains the TS stream of TV programme, enters step S202;

Step S202: watch-dog obtains the NIT table in the TS stream of described TV programme, and this NIT table analyzed, from this NIT table, obtain relevant upgrade parameter, this upgrade parameter includes the PID (Packet Identifier) of frequency, symbol rate, modulation system, upgrade file, the PID of this upgrade file be used in reference to and the position of upgrade file in TS stream be described, this upgrade parameter can also include the size of upgrade file, the information such as type of upgrade file, enters step S204 subsequently;

Step S204: watch-dog enters step S207 according to the upgrade file in upgrade parameter reception, the acquisition TS stream;

Step S207: watch-dog is according to the upgrade file renewal of upgrading.

In the upgrading mode of the watch-dog of present embodiment, when needs are upgraded renewal to watch-dog, be inserted in the TS stream of TV programme after upgrade file can being converted to corresponding upgrading stream, after watch-dog detects the TS stream that obtains TV programme, from the NIT table of TS stream, obtain upgrade parameter, and and then from TS stream, obtain upgrade file according to upgrade parameter, and according to upgrade file renewals of upgrading, with the realization remote upgrade.

Wherein, in the upgrade method of present embodiment, need after upgrade file being converted to corresponding upgrading stream, be inserted in the TS stream of TV programme, this operation can be by the EPG of television network system (ElectronicProgram Guide, electric program menu) server carries out, and also available multiplexer is multiplexed into program TS stream the inside with upgrade file, upgrade file is converted to the mode of stream file, also can be to adopt relevant mode of the prior art, will not add to give unnecessary details at this.

In addition, consider in the present embodiment, upgrade file is to give watch-dog by the TS flow transmission, and in the transmission course of TS stream, consider security of File Transfer and confidentiality, can carry out CA (Conditional Access to the TS stream of upgrade file, the visit of having ready conditions) scrambling operation, with fail safe and the confidentiality demand that satisfies upgrade file, therefore, in order to restore corresponding original TS stream, correctly to obtain the related data in the TS stream, between the step S202 and step S204 of embodiment, also include step:

Step S203: the TS stream to the CA scrambling carries out the CA descrambling operation, obtains the TS stream of reduction.

Carrying out the CA descrambling operation, correctly reducing behind the TS stream, can be according to obtaining upgrade file the TS stream of upgrade parameter behind the CA descrambling.

In addition, for consideration to the confidentiality of upgrade file, when upgrade file being inserted TS stream, can also carry out encryption to upgrade file, at this moment, in the upgrade parameter that inserts the NIT table, also include the encryption mode of upgrade file, therefore, watch-dog has obtained upgrade file from TS stream after, between step S204 and step S207, can also include step:

Step S205: watch-dog is decrypted operation according to the encryption mode in the upgrade parameter to the upgrade file of encrypting.

Behind the upgrade file after obtaining deciphering, promptly can enter the renewal of upgrading of the upgrade file of step S207 after according to this deciphering.

In addition, for consideration to the transmission security of upgrade file, when upgrade file being inserted TS stream, can also be to the additional check code of upgrade file, at this moment, in the upgrade parameter of NIT table, include the verification mode of this upgrade file being carried out verification, watch-dog obtains upgrade file from TS stream after, between step S204 and step S207, or between step S205 and step S207, also include step:

Step S206: watch-dog carries out verification according to the verification mode of the upgrade parameter in the NIT table to upgrade file, judge whether the check code that calculates gained is consistent with the check code that is additional to upgrade file, if it is consistent, then this upgrade file was not distorted, can enter step S208 subsequently according to the renewal of upgrading of this upgrade file, if inconsistent, then this upgrade file can be abandoned.

Wherein, in the explanation of above-mentioned present embodiment, all be from TS stream, to obtain upgrade file automatically with watch-dog, and upgrade according to this upgrade file and to describe, in fact, also can be to send the instruction of from TS stream, obtaining upgrade file to watch-dog by monitoring server, after watch-dog receives this instruction, obtain upgrade file again from TS stream, other each specific implementation can be same as described above, do not repeat them here.

Above-described embodiment of the present invention does 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

1, a kind of television network monitoring system comprises monitoring server and the watch-dog that is connected with described monitoring server:

2, television network monitoring system according to claim 1 is characterized in that:

Described monitoring server comprises:

Message instruction generation module is used to generate described monitored instruction, described remote upgrade request;

First data transmit-receive module that is connected with described message instruction generation module, described watch-dog, be used for described monitored instruction is sent to described watch-dog, receive described performance parameter data, described identifying information and described reception file request that described watch-dog sends, and the described upgrade file that stores in the memory module is sent to described watch-dog according to described reception file request;

With the determination module that described first data transmit-receive module is connected, be used for determining described watch-dog present position according to described identifying information, judge according to described performance parameter data whether the TV programme of described watch-dog corresponding position breaks down;

Memory module with described first data transmit-receive module is connected is used to store described upgrade file;

Described watch-dog specifically comprises:

Second data transmit-receive module that is connected with described monitoring server, be used to receive described monitored instruction, the described remote upgrade request that described monitoring server sends, described reception file request, described identifying information and data acquisition module detected the described performance parameter data that obtain send to described monitoring server;

TS flows receiver module, is used to detect the TS stream of the TV programme that receives this place, watch-dog present position;

With the data acquisition module that described second data transmit-receive module, described TS stream receiver module are connected, be used for obtaining described performance parameter data from described TS stream according to described monitored instruction;

With the message generating module that described second data transmit-receive module is connected, be used to generate described reception file request;

And the upgrading module that is connected with described second data transmit-receive module, be used for according to the described upgrade file that described second data transmit-receive module receives renewal of upgrading.

3, television network monitoring system according to claim 2 is characterized in that, described watch-dog also comprises:

Descrambling module with described TS stream receiver module, described data acquisition module are connected is used for the described TS stream of scrambling is carried out descrambling operation;

Or

Be connected in the deciphering module between described second data transmit-receive module and the described upgrading module, be used for the described upgrade file of encrypting is decrypted operation;

Or

Be connected in the verification module between described second data transmit-receive module and the described upgrading module, be used for described upgrade file is carried out verification;

Or

Be connected in the verification module between described deciphering module and the described upgrading module, be used for verification mode according to the described remote upgrade request upgrade file after to described deciphering and carry out verification;

Or

Be connected in the verification module between described deciphering module and the described upgrading module, be used for verification mode according to the described remote upgrade request upgrade file after to described deciphering and carry out verification.

4, a kind of television network monitoring system comprises monitoring server and the watch-dog that is connected with described monitoring server:

5, television network monitoring system according to claim 4 is characterized in that,

Described monitoring server comprises:

Message instruction generation module is used to generate described monitored instruction;

First data transmit-receive module with described message instruction generation module, described watch-dog are connected is used for described monitored instruction is sent to described watch-dog, receives described performance parameter data and described identifying information that described watch-dog sends;

And the determination module that is connected with described first data transmit-receive module, be used for determining described watch-dog present position according to described identifying information, judge according to described performance parameter data whether the TV programme of described watch-dog corresponding position breaks down;

Described watch-dog specifically comprises:

Second data transmit-receive module that is connected with described monitoring server, be used to receive the described monitored instruction that described monitoring server sends, and the described performance parameter data of described identifying information and data acquisition module detection acquisition are sent to described monitoring server;

The data acquisition module that is connected with described second data transmit-receive module, described TS stream receiver module, be used for obtaining described upgrade parameter from the NIT table of described TS stream, filter and obtain upgrade file in the described TS stream according to described upgrade parameter, and detect the described performance parameter data of obtaining described TS stream according to described monitored instruction;

And the upgrading module that is connected with data acquisition module, be used for according to the renewal of upgrading of described upgrade file.

6, television network monitoring system according to claim 5 is characterized in that, described watch-dog also comprises:

Descrambling module with described TS stream receiver module, described data acquisition module are connected is used for the described TS stream of CA scrambling is carried out descrambling operation;

Or

Be connected in the deciphering module between described data acquisition module and the described upgrading module, be used for the described upgrade file of encrypting being decrypted operation according to the encryption and decryption mode of described upgrade parameter;

Or

Be connected in the verification module between described data acquisition module and the described upgrading module, be used for described upgrade file being carried out verification according to the verification mode of described upgrade parameter;

Or

And be connected in deciphering module between described data acquisition module and the described upgrading module, be used for the described upgrade file of encrypting being decrypted operation according to the encryption and decryption mode of described upgrade parameter;

Or

And be connected in verification module between described data acquisition module and the described upgrading module, be used for described upgrade file being carried out verification according to the verification mode of described upgrade parameter;

Or

And be connected in verification module between described deciphering module and the described upgrading module, be used for verification mode according to the described upgrade parameter described upgrade file after to deciphering and carry out verification;

Or

And be connected in verification module between described deciphering module and the described upgrading module, be used for verification mode according to the described upgrade parameter described upgrade file after to deciphering and carry out verification.

7, a kind of method for supervising of television network monitoring system, described television network monitoring system comprise watch-dog and the monitoring server that is connected with described watch-dog, and described method for supervising comprises:

Described monitoring server sends monitored instruction to described watch-dog;

8, the method for supervising of television network monitoring system according to claim 7 is characterized in that:

Described watch-dog is upgraded renewal according to described upgrade file before, also comprise step:

Described watch-dog is decrypted operation to described upgrade file;

Or

Described watch-dog carries out verification according to the verification mode in the described remote upgrade request to described upgrade file;

Or

Described watch-dog is decrypted operation to described upgrade file, and according to the verification mode in the described remote upgrade request the described upgrade file after deciphering is carried out verification.

9, according to the method for supervising of claim 7 or 8 described television network monitoring systems, it is characterized in that:

The AKU file that comprises each application program in the described watch-dog in the described upgrade file;

Or

Described upgrade file is the new program file behind each application program update in the described watch-dog.

10, a kind of method for supervising of television network monitoring system, described television network monitoring system comprise watch-dog and the monitoring server that is connected with described watch-dog, and described method for supervising comprises:

Described watch-dog detects and obtains the TS stream of the TV programme at this place, watch-dog present position, obtain performance parameter data in the described TS stream according to the monitored instruction of the described monitoring server that receives, and the identifying information of described performance parameter data and this watch-dog is sent to described monitoring server;

11, the method for supervising of television network monitoring system according to claim 10 is characterized in that:

Described watch-dog filters and obtain upgrade file in the described TS stream according to described upgrade parameter before, also comprise step:

Described TS stream to scrambling carries out descrambling operation;

Or

After described watch-dog filters and obtained upgrade file in the described TS stream, according to described upgrade file, upgrade upgrade before, also comprise step:

According to the encryption mode in the described upgrade parameter described upgrade file is decrypted operation;

Or

According to the verification mode in the described upgrade parameter described upgrade file is carried out verification;

Or

Described TS stream to scrambling carries out descrambling operation;

Or

Described TS stream to scrambling carries out descrambling operation;

Or

According to the verification mode in the described upgrade parameter the described upgrade file after deciphering is carried out verification;

Or

Described TS stream to scrambling carries out descrambling operation;

According to the verification mode in the described upgrade parameter the described upgrade file after deciphering is carried out verification.

12, according to the method for supervising of claim 10 or 11 described television network monitoring systems, it is characterized in that, also comprise step:

Described monitoring server sends the instruction of obtaining upgrade file from TS stream to described watch-dog;

Described watch-dog receives the described instruction of obtaining upgrade file from TS stream that described monitoring server sends, and obtains upgrade parameter, filters and obtain upgrade file in the described TS stream according to described upgrade parameter according to the described NIT table of instruction from described TS stream that obtains upgrade file from TS stream.