CN117676066A - Visual command scheduling system based on public-private fusion - Google Patents
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Abstract
The invention relates to the technical field of communication command scheduling, and discloses a visual command scheduling system based on public-private integration, which comprises a visual interphone, an allocation control module, a private network server, a public network server, a flow monitoring unit and a scheduling module. According to the public-private integration-based visual command scheduling system, the public network server load and the private network server load are calculated through the distribution control module, when a plurality of visual interphones initiate communication at the same time, the distribution control module distributes networks for different groups of visual interphone users according to the load values of the current private network server and the public network server and by combining priority coefficients of a plurality of users, or management staff or command staff arrange the servers with small network loads to carry out video communication according to the sites of grouping processing of the visual interphone users, so that communication quality is improved, transmission only depending on the private network is avoided, and emergency communication capacity and command capacity are improved.
Description
Technical Field
The invention relates to the technical field of communication command scheduling, in particular to a visual command scheduling system based on public-private fusion.
Background
With the development and social progress of economy and the arrival of information age, public security work is continuously challenged by increasingly growing social demands, especially the activity, antagonism, concealment and technical, intelligent and diversification of criminal means are increasingly outstanding at present, so that the traditional working mode and information processing mode of public security are not suitable for the development demands of modern society, and the interconnected online video conference is used as a first-choice tool for audio-video and data collaborative interaction in the scientific age, and can assist public security and troops to realize wireless communication.
The existing visual command dispatching system generally depends on real-time feedback of a field picture by a field-end visual interphone and is in real-time voice communication with a command center so that the command center can master the field situation and cooperate with other work users in a combined manner according to the field situation in time to process the field;
the visual command scheduling system is used for completing information transmission by means of the Internet, and is usually used for private network transmission, but the bearing capacity of the network is limited, so that when video command is coordinated for large-scale and different work-class joint collaboration, the video occupies a large bandwidth, network congestion is caused, and the emergency communication capacity and command capacity are reduced.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a visual command scheduling system based on public-private integration, which is provided with a function of calculating the load Gwfz of a public network server and the load Zwfz of a private network server through a distribution control module, and when a plurality of visual interphones initiate calls at the same time, the distribution control module distributes networks for the visual interphone users of different groups according to the load values of the current private network server and the public network server and the priority coefficient of a plurality of users, or an administrator or a commander arranges the servers with small network loads to carry out video communication according to the field of grouping processing of the visual interphone users, thereby improving the communication quality, avoiding the dependence on private network transmission, improving the emergency communication capability and command capability and the like, and solving the problems.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: a visual command dispatching system based on public-private integration comprises a visual interphone, an allocation control module, a private network server, a public network server, a flow monitoring unit and a dispatching module;
wherein, the visual interphoneThe system is in wireless connection with the distribution control module, the visual interphones are provided with a plurality of distribution control modules, the distribution control modules are connected with flow monitoring units, the flow monitoring units are respectively connected with a private network server and a public network server in a network mode, the flow monitoring units are used for monitoring network load conditions of the private network server and the public network server and sending the network load conditions of the private network server and the public network server to the distribution control modules, the distribution control modules carry out grouping numbering on the visual interphones, the grouping forms a set according to the work types of users of the visual interphones, the use quantity is a subset in the set, and specific numbers are as follows: { A 1 、A 2 、A 3 、...、A n-1 、A n+1 }、{B 1 、B 2 、B 3 、...、B n-1 、B n+1 }、{C 1 、C 2 、C 3 、...、C n-1 、C n+1 }、...、{Z 1 、Z 2 、Z 3 、...、Z n-1 、Z n+1 The visual interphone sets of different industrial types are provided with different priority coefficients Yx, and the visual interphone can upload audio data and video data in real time in the communication process;
the distribution control module calculates public network server load Gwfz and private network server load Zwfz according to public network server flow Gwll and private network server flow Zwll acquired by the flow monitoring unit, and distributes private network servers or public network servers to transmit audio data and video data to the visual interphones of different kinds according to the public network server load Gwfz and the private network server load Zwfz and by combining the visual interphones of different kinds together, wherein the private network servers and the public network servers are respectively connected with the scheduling module through networks;
the scheduling module is used for feeding back on-site audio and video to an administrator or commander in real time and sending decision scheduling of the administrator or commander to the target visual interphone through the private network server and the public network server.
Preferably, each group of the visual interphones pass throughThe manager or commander sets the priority thereof and generates a priority coefficient Yx, and a plurality of priority coefficients Yx are arranged from high to low, for example: yx 1 ＞Yx 2 ＞Yx 3 ＞...＞Yx n And temporarily stores the priority coefficient Yx in the allocation control module.
Preferably, the distribution control module transmits the visible interphone group number to the scheduling module for storage through the private network server or the public network server, and the scheduling module can comprise line switching, video scheduling, GIS scheduling and linkage alarm.
Preferably, the line switching can be mutually switched through the lines of the manager or the commander, so that the manager or the commander can process multi-channel assimilation at the same time, the video scheduling is used for feeding back on-site video image information to the manager or the commander in real time, the GIS scheduling is used for inquiring the moving track of a certain visual interphone user in a certain time period, corresponding position data are obtained from the inquiry of the server and are drawn and presented on a GIS map, and the linkage alarm can be used for giving an alarm by one key when the certain visual interphone user finds out an alarm condition. The dispatching center receives the alarm position in real time and checks the live real-time video at the same time, and the peripheral same group users can also receive the alarm information to perform joint collaborative operation.
Preferably, the calculation formula of the public network server load Gwfz is as follows:
in the formula, gwll 1 +Gwll 2 +Gwll 3 +...+Gwll n The total collection time of the public network server flow Gwll is represented as n, the average value of the public network server flow Gwll is calculated by dividing the total collection time by n, the average value of the public network server flow Gwll is divided by the value of the public network bandwidth GDk, the current public network server load Gwfz value is obtained, and the value of the public network bandwidth GDk is the bandwidth of the network connected with the public network server.
Preferably, the calculation formula of the private network server load Zwfz is as follows:
in the formula, zwll 1 +Zwll 2 +Zwll 3 +...+Zwll n The total collection time of the private network server flow zwlan is represented as n, the average value of the public network server flow zwlan is calculated by dividing the total collection time by n, the average value of the public network server flow zwlan is divided by the value of the private network bandwidth ZDk, the current public network server load zwlan value is obtained, and the value of the private network bandwidth ZDk is the bandwidth of the network connected with the private network server.
Preferably, the public network server load Gwfz is temporarily stored in the allocation control module, the value of the public network server load Gwfz is deleted after the value of the public network server load Gwfz is updated next time, and the control module simultaneously feeds back the value of the public network server load Gwfz to the scheduling module for storage.
Preferably, the private network server load Zwfz is temporarily stored in the allocation control module, the value of the private network server load Zwfz is deleted after the value of the private network server load Zwfz is updated next time, and the control module simultaneously feeds back the value of the private network server load Zwfz to the scheduling module for storage.
Preferably, when the video interphone user sends the audio data or the video data, the distribution control module automatically distributes the private network server or the public network server to communicate according to the private network server load Zwfz or the public network server load Gwfz and the priority coefficient Yx of the video interphone user.
Preferably, when the visual interphone user sends the audio data or the video data, the manager or the commander selects the visual interphone user to use the private network server or the public network server for communication according to the private network server load Zwfz or the public network server load Gwfz stored in the scheduling module and combining with the actual state of the visual interphone user.
Compared with the prior art, the invention provides a visual command scheduling system based on public-private fusion, which has the following beneficial effects:
1. according to the invention, the public network server load Gwfz and the private network server load Zwfz are calculated through the distribution control module, when a plurality of visual interphones initiate communication at the same time, the distribution control module distributes the network to the visual interphone users of different groups according to the current load values of the private network server and the public network server and the priority coefficients of a plurality of users, or the manager or commander arranges the servers with small network loads to carry out video communication according to the site of the grouping processing of the visual interphone users, thereby improving the communication quality, avoiding the transmission only depending on the private network, and improving the emergency communication capability and command capability.
2. The invention monitors the network load conditions of the private network server and the public network server in real time through the flow monitoring unit, calculates the values of the public network server load Gwfz and the private network server load Zwfz according to the formula, and stores the values in the distribution control module and the scheduling module so as to facilitate the manager or commander to grasp the network load amounts of the public network server and the private network server in real time, thereby carrying out the branching connection processing on the visual interphone users of different groups in time.
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FIG. 1 is a schematic diagram of the structure of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, a visual command and dispatch system based on public-private integration includes a visual interphone, an allocation control module, a private network server, a public network server, a flow monitoring unit and a dispatch module;
the visual interphone is provided with a plurality of visual interphones, the visual interphone is distributed to a plurality of different industrial users for use, the visual interphone is connected with a distribution control module through a network, the distribution control module is connected with a flow monitoring unit, the flow monitoring unit is respectively connected with a private network server and a public network server through a network, the network load conditions of the private network server and the public network server are monitored, the network load conditions of the private network server and the public network server are sent to the distribution control module, the distribution control module calculates the public network server load Gwfz and the private network server load Zwfz according to a calculation formula according to the public network server flow Gwll and the private network server flow Zwll acquired by the flow monitoring unit, and the public network server load Gwfz is calculated according to the calculation formula as follows:
in the formula, gwll 1 +Gwll 2 +Gwll 3 +...+Gwll n The total collection time length of the public network server flow Gwll is represented as n, the average value of the public network server flow Gwll is calculated by dividing the total collection time length by n, the average value of the public network server flow Gwll is divided by the value of the public network bandwidth GDk, the current public network server load Gwfz value is obtained, and the value of the public network bandwidth GDk is the bandwidth of the network connected with the public network server;
the calculation formula of the private network server load Zwfz is as follows:
in the formula, zwll 1 +Zwll 2 +Zwll 3 +...+Zwll n The method comprises the steps of representing the sum of collecting time periods of private network server flow Zwlan at n, dividing the sum by n to calculate the average value of public network server flow Zwlan, dividing the average value of public network server flow Zwlan by the value of private network bandwidth ZDk to obtain the current public network server load Zwlan value, wherein the value of private network bandwidth ZDk is the bandwidth of a network connected with the private network server, carrying out grouping numbering on a plurality of visual interphones by a distribution control module, and forming a group according to the work types of users of the visual interphonesA number of sets, the number of uses being a subset of the set, the specific numbers being as follows: { A 1 、A 2 、A 3 、...、A n-1 、A n+1 }、{B 1 、B 2 、B 3 、...、B n-1 、B n+1 }、{C 1 、C 2 、C 3 、...、C n-1 、C n+1 }、...、{Z 1 、Z 2 、Z 3 、…、Z n-1 、Z n+1 The visual interphone set of different kinds is provided with different priority coefficients Yx, each group of visual interphones is provided with the priority thereof through an administrator or commander, and generates the priority coefficients Yx, and a plurality of priority coefficients Yx are arranged from high to low, for example: yx 1 ＞Yx 2 ＞Yx 3 ＞...＞Yx n The public network server load Gwfz is temporarily stored in a distribution control module, the public network server load Gwfz is temporarily stored in the distribution control module, the public network server load Gwfz value is deleted after the public network server load Gwfz value is updated next time, the control module feeds back the public network server load Gwfz value to a dispatching module for storage, the private network server load Zwfz is temporarily stored in the distribution control module, the private network server load Zwfz value is deleted after the private network server load Zwfz value is updated next time, the control module feeds back the private network server load Zwfz value to the dispatching module for storage, the distribution control module distributes private network servers or public network servers to transmit audio data and video data to the visual interphones of different work types according to the public network server load Gwfz and the private network server load Zwfz and by combining the visual interphones of different work types together, wherein the private network servers or the public network servers are respectively connected with the scheduling module through a network, the scheduling module is used for feeding back on-site audio and video to management staff or command staff in real time and sending decision scheduling of the management staff or command staff to the target visual interphone through the private network servers and the public network servers, and when a plurality of groups of visual interphone users send audio data or video data, the distribution control module combines the visual interphone according to the private network server load Zwfz or the public network server load GwfzWhen a plurality of users initiate video call at the same time, the distribution control module calculates the load values of the private network server and the public network server, and the distribution control module distributes networks to the visual interphone users of different groups according to the load values of the current private network server and the public network server and the priority coefficient of the plurality of users in descending order, or the manager or the commander arranges the service of small network load to communicate with the video interphone users according to the field of the grouping treatment of the visual interphone users, thereby improving the communication quality of the network, further improving the communication capacity of the communication network, and further reducing the capacity of the communication network due to the fact that the communication capacity of the communication network is coordinated with a large scale.
In this context, the dispatch module has a plurality of voice channels, and in order to ensure that the communication of the dispatch station is smooth in daily dispatch work, a manager or a commander can answer the multi-way call simultaneously by switching back and forth between these lines. While one call is in progress, the other calls are held temporarily, and the opposite end user listens to the prerecorded call hold tones.
In the aspect of audio and video coding, the system adopts advanced high-efficiency compression coding technologies in the industries of OPUS, H.264 and the like, the requirement on transmission bandwidth is greatly reduced while the quality of media is ensured, and in the aspect of audio and video media processing, the system adopts an independently developed voice engine to provide the bidirectional whole-course voice processing capability from PCM to IP and from IP to PCM. The method realizes real-time high-definition voice, and is suitable for Internet communication within 300 milliseconds of voice delay. The voice call with 10% packet loss can still be normally performed. The capabilities provided by the speech engine include: the VAD (voice activated detection) can identify and eliminate long silence period from the voice signal stream by the voice engine, so that bandwidth resources are saved without reducing service quality, the requirement of service on communication bandwidth is reduced, and the end-to-end delay perceived by a user is reduced. The echo suppression, the voice engine can self-adaptively estimate the size of the echo signal, and effectively eliminates the circuit echo generated by interconnection of the VoIP system and the PSTN system and the acoustic echo generated in the IP voice data transmission process. Noise suppression. Tone generation. And (5) fixed gain control. And (5) automatic gain control. The OPUS vocoder is still able to transmit clear speech in the case of a busy, low bandwidth network. The packet loss/bad frame hiding is realized by comprehensively using the inserting, interpolating and regenerating technology, the packet loss/bad frame hiding is realized with lower calculation complexity, the network bandwidth and the transmission delay are not increased, and the influence of IP packet loss and bad frame on the voice quality is also effectively eliminated. Discontinuous transmission. RTP/Jitter Buffer. DTMF in-band transmission. And the mobile environment voice enhancement aims at the voice enhancement processing of the intelligent terminal in the mobile environment, so that the definition and fluency of the mobile voice are improved. The voice conference bridge supports seamless transcoding and wide and narrow band audio mixing. In the application level, the system performs bad frame hiding, anti-jitter processing, VAD (voice activation detection), active noise reduction and further optimization on the application of voice enhancement technology, so that the audio and video quality of the system is further improved; the video coding and decoding standard supported by the video interphone in the video coding and decoding standard system is H.264. Video call setup time with no blocking of the network, the one-to-one video call setup time of the system is less than 600ms. The video call effect high-definition video real-time feedback is optimized for public network transmission, and the video delay is within 500 milliseconds. The video with the packet loss rate of 10% is still smooth, and the video with the packet loss rate of 30% is not stained with a screen. By adopting an efficient video compression technology, double code streams are supported, recording and uploading are carried out simultaneously, a flexible code rate self-adaptive technology is adopted, and an FEC forward error correction technology and a NACK packet loss retransmission technology are combined to ensure uninterrupted wireless high-definition video transmission. The broadband private network is a professional network which performs signal coverage in a specific area to meet the communication requirements of organization management, safe production, command and dispatch of specific crowd for specific industries. The application industries are mainly public security, public utilities, industry and commerce, and main user groups are as follows: government, police, army, fire, electricity, mining, forestry, hotels, rail traffic, etc., the specificity of the application industry determines the nature of broadband private network communication, and should have higher security, stability and reliability.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A visual command scheduling system based on public-private fusion is characterized in that: the system comprises a visual interphone, an allocation control module, a private network server, a public network server, a flow monitoring unit and a scheduling module;
the visual interphone is in wireless connection with the distribution control module, the distribution control module is connected with the flow monitoring unit, the flow monitoring unit is respectively connected with the private network server and the public network server in a network mode, the flow monitoring unit is used for monitoring network load conditions of the private network server and the public network server and sending the network load conditions of the private network server and the public network server to the distribution control module, the distribution control module carries out grouping numbering on a plurality of visual interphones, the grouping forms a set according to the work types of users of the visual interphone, the use quantity is a subset in the set, and specific numbers are as follows: { A 1 、A 2 、A 3 、...、A n-1 、A n+1 }、{B 1 、B 2 、B 3 、...、B n-1 、B n+1 }、{C 1 、C 2 、C 3 、...、C n-1 、C n+1 }、...、{Z 1 、Z 2 、Z 3 、...、Z n-1 、Z n+1 }，Different priority coefficients Yx are set in the visual interphone set of different industrial types, and the visual interphone can upload audio data and video data in real time in the communication process;
the distribution control module calculates public network server load Gwfz and private network server load Zwfz according to public network server flow Gwll and private network server flow Zwll acquired by the flow monitoring unit, and distributes private network servers or public network servers to transmit audio data and video data to the visual interphones of different kinds according to the public network server load Gwfz and the private network server load Zwfz and by combining the visual interphones of different kinds together, wherein the private network servers and the public network servers are respectively connected with the scheduling module through networks;
the scheduling module is used for feeding back on-site audio and video to an administrator or commander in real time and sending decision scheduling of the administrator or commander to the target visual interphone through the private network server and the public network server.
2. The public and private fusion-based visual command scheduling system according to claim 1, wherein: each group of visual interphones is provided with priority through management personnel or command personnel, and generates a priority coefficient Yx, and a plurality of priority coefficients Yx are arranged from high to low, such as: yx 1 >Yx 2 >Yx 3 >...>Yx n And temporarily stores the priority coefficient Yx in the allocation control module.
3. The public and private fusion-based visual command scheduling system according to claim 1, wherein: the distribution control module is used for transmitting the visible interphone group number to the scheduling module for storage through the private network server or the public network server, and the scheduling module can comprise line switching, video scheduling, GIS scheduling and linkage alarm.
4. The visual command and dispatch system based on public and private fusion according to claim 3, wherein: the line switching can be mutually switched through the lines of the manager or the commander, so that the manager or the commander can process multi-channel assimilation at the same time, the video scheduling is used for feeding back on-site video image information to the manager or the commander in real time, the GIS scheduling is used for inquiring the moving track of a certain visual interphone user in a certain time period, corresponding position data are obtained from the server inquiry and are drawn and presented on a GIS map, and the linkage alarm can be used for giving an alarm by one key when the certain visual interphone user finds out an alarm condition. The dispatching center receives the alarm position in real time and checks the live real-time video at the same time, and the peripheral same group users can also receive the alarm information to perform joint collaborative operation.
5. The public and private fusion-based visual command scheduling system according to claim 1, wherein: the public network server load Gwfz has the following calculation formula:
in the formula, gwll 1 +Gwll 2 +Gwll 3 +.. + Gwlln represents the sum of the collecting duration of the public network server traffic Gwll at n, and dividing the sum by n to calculate the average value of the public network server traffic Gwll, dividing the average value of the public network server traffic Gwll by the value of the public network bandwidth GDk, to obtain the current public network server load Gwfz, where the value of the public network bandwidth GDk is the bandwidth of the network to which the public network server is connected.
6. The public and private fusion-based visual command scheduling system according to claim 1, wherein: the calculation formula of the private network server load Zwfz is as follows:
in the formula, zwll 1 +Zwll 2 +Zwll 3 +...+Zwll n The total collection time of the private network server flow zwlan is represented as n, the average value of the public network server flow zwlan is calculated by dividing the total collection time by n, the average value of the public network server flow zwlan is divided by the value of the private network bandwidth ZDk, the current public network server load zwlan value is obtained, and the value of the private network bandwidth ZDk is the bandwidth of the network connected with the private network server.
7. The public and private fusion-based visual command scheduling system according to claim 5, wherein: the public network server load Gwfz is temporarily stored in the distribution control module, the value of the public network server load Gwfz is deleted after the value of the public network server load Gwfz is updated next time, and the control module feeds back the value of the public network server load Gwfz to the scheduling module for storage.
8. The public and private fusion-based visual command scheduling system according to claim 6, wherein: the private network server load Zwfz is temporarily stored in the distribution control module, the value of the private network server load Zwfz is deleted after the private network server load Zwfz value is updated next time, and the control module feeds back the private network server load Zwfz value to the scheduling module for storage.
9. The public and private fusion-based visual command and dispatch system according to claim 7 or 8, wherein: when the visual interphone user sends audio data or video data, the distribution control module automatically distributes the private network server or the public network server for communication according to the private network server load Zwfz or the public network server load Gwfz and the priority coefficient Yx of the visual interphone user.
10. The public and private fusion-based visual command and dispatch system according to claim 7 or 8, wherein: when the visual interphone user sends audio data or video data, a manager or a commander selects the visual interphone user to use a private network server or a public network server for communication according to the private network server load Zwfz or the public network server load Gwfz stored in the scheduling module and combining with the actual state of the visual interphone user.
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