CN112291516A - System for video monitoring accessing through network set - Google Patents
System for video monitoring accessing through network set Download PDFInfo
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- CN112291516A CN112291516A CN202011099278.0A CN202011099278A CN112291516A CN 112291516 A CN112291516 A CN 112291516A CN 202011099278 A CN202011099278 A CN 202011099278A CN 112291516 A CN112291516 A CN 112291516A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/71—Indexing; Data structures therefor; Storage structures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/73—Querying
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention belongs to the technical field of network communication, and relates to a system for accessing video monitoring through a network set. This video monitoring networking access system, monitor platform and law enforcement record appearance and roadside video monitoring equipment pass through digital network connection, the law enforcement personnel wear the law enforcement record appearance and get into roadside video monitoring equipment monitoring range, roadside video monitoring senses immediately, transmit the surveillance video to monitor platform, combine the image that roadside video monitoring equipment and law enforcement record appearance returned, the managers of monitor platform of being convenient for in time inform law enforcement personnel to get into the scene and passback, store the scene image, the leader accessible monitor platform is watched and is decided and directed.
Description
Technical Field
The invention relates to the technical field of network communication, in particular to a system for accessing video monitoring through a network set.
Background
In recent years, the application of the internet of things is becoming more and more extensive, and the internet of things means that various information sensing devices with certain sensing capability, computing capability or execution capability, such as sensors, RFID, two-dimensional codes, short-distance wireless communication technology and mobile communication modules, are deployed in entities in the physical world, and information transmission, cooperation and processing are realized through network facilities, so that the interconnection of information exchange requirements between people and objects, and between objects and objects in a wide area or a wide range is realized. Meanwhile, with the rapid development of computers, networks and image processing and transmission technologies, the video monitoring technology has also made great progress. The new generation of video monitoring system realizes the transmission of media through a network so as to carry out remote video monitoring. Meanwhile, with the rapid development of computer technology and wireless network communication technology, the application of the digital technology in the security field is more and more extensive, and particularly, the requirement for networked networking monitoring is more and more increased in the important law enforcement departments of public security.
The traditional video monitoring system is limited by the technical development, only can carry out on-site monitoring, simple alarm information transmission and video signals cannot be transmitted remotely, the understanding of the specific conditions of the front end and the confirmation of events are very difficult, the stability and the safety of the system are invisibly reduced, and for the important law enforcement departments such as public security, high-definition, wireless, remote and real-time monitoring is a prerequisite for the safe operation of industry monitoring. How to combine together long-range supervision, remote control and warning networking system, the wireless organic of control, accomplish not only to carry out long-range high definition based on wireless, wired network and keep watch on, the transmission of remote control and image, possess the function of networking warning network again usually to the input cost is reasonable, can ensure system operation stability more effectively, improves the safety and protection technique to a new level, and networking, wireless, remote monitoring are the main direction of monitoring trade development at present.
When patrolling, everyone can wear a law enforcement record appearance for record, remote monitoring, storage and talkback, but do not have any contact with the surveillance video of roadside installation, and their surveillance video backstage is not at a network platform, if law enforcement personnel got into the roadside control scope, the surveillance backstage can not combine network platform real time monitoring law enforcement personnel surrounding situation, guarantees law enforcement personnel safety, and the emergence accident in time communicates with it, better completion task, avoids the emergence of accident in advance. In order to solve the problem, a system for video monitoring access through a network set is designed.
Disclosure of Invention
The invention provides a system for video monitoring to access through a network set, which is based on the technical problems that the conventional law enforcement personnel enter a roadside monitoring range, a monitoring background cannot be combined with a network platform to monitor the surrounding situation of the law enforcement personnel in real time, the safety of the law enforcement personnel is ensured, an accident occurs and is communicated with the monitoring background in time, and the accident is avoided in advance.
The system comprises law enforcement recorders and roadside video monitoring equipment, wherein the law enforcement recorders are connected with the roadside video monitoring equipment through a wireless self-return technology, and low-power transmission nodes are deployed in the coverage range of the roadside video monitoring equipment.
Preferably, the law enforcement recorder comprises a video monitoring system, a two-way intercom system and a GPS positioning system, and data of the video monitoring system, the two-way intercom system and the GPS positioning system are uploaded to the monitoring platform through a 3G/4G, WIFI/satellite and a cable.
Preferably, the monitoring platform is composed of a central management service, a stream distribution service, a user access service, an equipment access service, a storage service, a positioning service, a database service and other related services, and a main module of the monitoring platform adopts a dual-computer hot standby or multi-computer cluster composing mode.
Preferably, the location service comprises:
obtaining information data associated with the user access service;
responding to the acquired information data associated with the user access service, and acquiring an information data list context map stored in the database service;
matching the information data associated with the user access service with stored information in an information data list context map stored in the database service;
and identifying and tracking the matched stored data according to the matching result.
Preferably, the matching of the information data associated with the user access service with stored information in an information data list context stored in the database service comprises:
a1, calculating the matching degree;
wherein L isiDegree of matching of information data associated with the user's access to the service with the i-th stored information in the context of the information data list stored in the database service, diThe ith storage information in the context map of the information data list stored in the database service is represented by a matching function, a is the information data related to the user access service, and alpha is the information data related to the user access servicejpAssociating an influence coefficient for j data information of the information data associated with the user access service with p data information of i storage information in an information data list context map stored in the database service, dis being a semantic similarity function, AjJ-th data information of information data associated with accessing the service for said user, DipThe p-th data information of the ith stored information in the context map of the information data list stored in the database service;
a2, determining a matching result;
when L isk＝max{LiWhen is }, Y ═ dk
Wherein Y is the matching result, dkFor stored information in a context map of an information data list stored in said database service corresponding to the calculated maximum degree of matching, LkMax is a function of the maximum value for the maximum value in the calculated degree of matching.
Preferably, the monitoring platform includes a monitoring system, the monitoring system includes an access layer, an interaction layer, and a support layer, the access layer includes a network camera, a network video recorder, a law enforcement recorder, and a roadside video monitoring device, the interaction layer includes a streaming media distribution unit, a load balancing unit, and a device access unit, and the support layer includes a database service, a central management service, a monitoring service, an intercom service, and a positioning service.
Preferably, the law enforcement recorder and the roadside video monitoring equipment form a return link, the roadside video monitoring equipment transmission node provides service for indoor and outdoor terminals, the RSRP access threshold is-105 dBm, and the indoor TP can cover the outdoor range of 23 m.
Preferably, the TP transmission power is 20dBm, and the carrier frequency is 3.5 GHz.
Preferably, the law enforcement recorder and the roadside video monitoring equipment cooperatively receive through a virtual terminal group, and a plurality of terminals in the terminal group attempt to receive.
Preferably, the law enforcement recorder and the roadside video monitoring equipment realize data synchronization.
Preferably, the monitoring platform is connected with a law enforcement recorder and roadside video monitoring equipment through a digital network.
Preferably, in the first step, a plurality of roadside video monitoring devices are deployed with low-power transmission nodes within the coverage area, in the case of high-density deployment of transmission nodes, the edge effect (including interference and mobility problems) of the system will become more prominent, a plurality of law enforcement recorders and the roadside video monitoring devices are connected by a wireless self-return technology, the wireless self-return technology makes random deployment of transmission nodes possible, investment and operation cost of the network is greatly reduced, the roadside video monitoring devices are utilized to provide service for indoor and outdoor terminals, the indoor existing return link (usually a non-ideal return link) is utilized to reduce deployment cost, feasibility assessment that the indoor transmission node covers the outdoor terminal is provided, when the RSRP access threshold is-105 dBm, the indoor TP can cover the outdoor 23m range, the roadside video monitoring devices and the law enforcement recorders are connected with the monitoring platform by a digital network, when a law enforcement officer wears a law enforcement recorder to enter the monitoring range of the roadside video monitoring equipment, the roadside video monitoring equipment immediately senses the situation, the monitoring video is transmitted to a monitoring platform, and a monitoring background automatically pops up a real-time monitoring video;
secondly, after a law enforcement officer wears a law enforcement recorder TO enter a monitoring range of the roadside video monitoring equipment, virtualization of a terminal can be realized among equipment of adjacent users or among a plurality of pieces of equipment (a notebook computer, a tablet computer, the law enforcement recorder, a mobile phone and wearable equipment) of the same user, the plurality of pieces of equipment form a virtual user group or a terminal group on a terminal layer, data are jointly received or transmitted from a base station layer, depending on communication conditions among different pieces of equipment, cooperation among the terminals has a plurality of implementation modes, a cooperation receiving mode between the base station and the virtual terminal group is adopted, in 1(TO), the base station transmits multiplexed data TO the terminal group, and a plurality of terminals in the terminal group try TO receive the data; 2(T1), the terminal exchanges data and parameters (such as ACKNACK or soft information) related to data reception; 3(T2), a selected terminal sends ACK/NACK feedback TO the base station, so that the effective SINR seen by the virtual terminal group will be higher than the SINR between the base station and the best terminal, and the spectral efficiency between the base station and the virtual terminal group is significantly improved, depending on different cooperation methods, the specific implementation manners of 1(TO) and 2(TI) are different, the devices in the virtual deduction terminal group share the resources and capabilities, the terminal with the best SINR may branch TO select TO receive downlink data and then forward the data TO the terminal with low SINR in T0, the higher SINR may be due TO better channel conditions or more advanced receiving capabilities, such as interference cancellation and suppression capabilities, and in addition, the virtual terminal group also shares its respective carrier processing capability, each terminal has only the ACK/NACK feedback, but the terminals with 4 carrier processing capabilities have together 4 carrier processing capabilities, the 4 terminals transmit data for one terminal by utilizing respective capabilities and equipment direct links, if the equipment direct links are good enough, the cooperative transmission of the 4 terminals can obviously improve the throughput of a target terminal, and the other virtual terminal group shares the mutual capabilities, a control plane is from other terminals using more reliable authorized carriers, and a user plane is directly from a base station and is based on unreliable unauthorized carriers, so that all the devices in one virtual terminal group can share the control plane function on the authorized carriers, law enforcement personnel can carry out two-way conversation with monitoring platform management personnel through a law enforcement recorder, the specific conditions and problems of accidents caused by communication between background management personnel and the law enforcement personnel are facilitated, the problems are solved in time and the police force is dispatched to support, the specific positions of the law enforcement personnel are known in real time through GPS and Beidou positioning, and the positions can be displayed in real time on the monitoring platform, supporting GIS map query, and knowing the specific situation around the law enforcement officer through roadside video monitoring equipment;
thirdly, realizing data synchronization of the law enforcement recorder, the roadside video monitoring equipment and the monitoring platform, wherein the data synchronization is an important component of video transmission area virtualization and has the following meanings: each transmission node in the virtual cell agrees on the data encapsulation mode and configuration parameters of a certain area or a plurality of areas of a user plane protocol stack so as to realize flexible conversion or joint signal processing between the transmission nodes, and the depth of data synchronization comprises the following steps: the method for synchronizing data comprises two methods, namely packet forwarding based and signaling based, wherein the number and the synchronization depth of transmission nodes for realizing data synchronization are related to the problems and the used technologies, for example, when the interference problem is solved, the joint signal processing technology among the transmission nodes in a virtual cell needs to realize the data synchronization at the MAC PDU level; in solving the mobility problem, the time interval selected by the transmission node is relaxed, the Data Synchronization at PDCP PDU level can meet the requirement, and some technologies, such as CS/CB, even do not need to implement Data Synchronization between the transmission nodes, the more nodes that can implement Data Synchronization, the more deep-seated nodes, and the more windy, when using the wireless self-return technology, the overhead of Data Synchronization will have a great influence on the system capacity of UDN, therefore, on the premise of ensuring the virtualization effect, the number, the Synchronization depth, the Synchronization mode, and the Synchronization timing of the Data step-by-step transmission nodes are controlled in a suitable manner, "layered, heterogeneous Data Synchronization" of heterogeneous heroglas "is required, wherein the virtual cell of UEI is composed of 4 transmission nodes, TP0 is MTP, TP1/2/3 is STP, 2 and TPO both acquire Data of the core network, and MAC layer Data Synchronization is implemented in a signaling manner, supporting joint signal processing technology and dynamic transmission node selection between TP2/TP0, TP1 can not directly obtain core network data, realizes PDCP layer data synchronization through packet forwarding with TPO, supports fast conversion of service TP, adds TP3 into virtual cell, but not synchronized with TPO data, TP3 obtains scheduling information for the UEI which, when it belongs to another cell at the same time, by utilizing CS/CB technology, the interference to UEI is avoided, the law enforcement recorder worn by law enforcement personnel is connected with the monitoring platform through a digital network, and the situation is better and comprehensively mastered by combining images transmitted back by roadside video monitoring equipment and the law enforcement recorder, aiming at the image information transmitted within the scope of the roadside monitoring video equipment when an accident occurs, the manager of the monitoring platform can conveniently inform law enforcement personnel to enter the scene in time and transmit and store the scene image, and the responsible person can watch, decide and command through the monitoring platform.
The beneficial effects of the invention are as follows:
1. by arranging the monitoring platform, the monitoring platform is connected with the law enforcement recorder and the roadside video monitoring equipment through a digital network, the monitoring system comprises an access layer, an interaction layer and a supporting layer, the access layer comprises a network camera, a network hard disk video recorder, the law enforcement recorder and the roadside video monitoring equipment, the interaction layer comprises a streaming media distribution unit, a load balancing unit and an equipment access unit, the supporting layer comprises a database service, a central management service, a monitoring service, an intercommunication service and a positioning service, the situation that the law enforcement personnel wear the law enforcement recorder to enter the monitoring range of the roadside video monitoring equipment, the roadside video monitoring is sensed immediately, the monitoring video is transmitted to the monitoring platform, a monitoring background automatically pops up the real-time monitoring video, the law enforcement personnel can carry out two-way conversation with the monitoring platform manager through the law enforcement recorder, and the specific situation and problem that the background manager and the law enforcement personnel have accidents conveniently, the system can solve the problems and dispatch police support in time, know the specific position of the law enforcement officer in real time through GPS and Beidou positioning, display the position in real time on a monitoring platform, support GIS map query, know the specific situation around the law enforcement officer through roadside video monitoring equipment, better and comprehensively master the situation by combining the images returned by the roadside video monitoring equipment and a law enforcement recorder, and aim at the image information transmitted in the roadside monitoring video equipment range when an accident occurs, so that the manager of the monitoring platform can conveniently and timely inform the law enforcement officer to enter the scene and return and store the scene image, and a person in charge can watch, decide and command through the monitoring platform, thereby solving the problems that the law enforcement officer enters the roadside monitoring range, a monitoring background can not monitor the situation around the law enforcement officer in real time by combining a network platform, the safety of the law enforcement officer is, the problem of accidents is avoided in advance.
Drawings
Fig. 1 is a schematic diagram of a system for video surveillance access via a network set according to the present invention;
fig. 2 is a system block diagram of a system for video surveillance access via a network set according to the present invention;
fig. 3 is a feasibility evaluation diagram of covering an outdoor terminal by an indoor transmission node of a system in which video monitoring is accessed through a network set according to the present invention;
fig. 4 is a block diagram of a terminal virtualization system of a system for video surveillance access via a network set according to the present invention;
fig. 5 is a block diagram of a system for collaboratively receiving a group of virtual terminals of a system for video surveillance access via a network set according to the present invention;
fig. 6 is a system block diagram of a packet and heterogeneous data synchronization mechanism of a system in which video monitoring accesses through a network set according to the present invention.
In the figure: 1. a law enforcement recorder; 2. roadside video monitoring equipment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, a system for video monitoring access through a network set includes law enforcement recorders 1 and roadside video monitoring devices 2, where a plurality of law enforcement recorders 1 are connected with the roadside video monitoring devices 2 through a wireless self-return technology, and low-power transmission nodes are deployed in the coverage area of the plurality of roadside video monitoring devices 2.
Furthermore, the law enforcement recorder 1 comprises a video monitoring system, a two-way intercom system and a GPS positioning system, wherein data of the video monitoring system, the two-way intercom system and the GPS positioning system are uploaded to a monitoring platform through a 3G/4G, WIFI/satellite and a wire.
Furthermore, the monitoring platform is composed of a central management service, a stream distribution service, a user access service, an equipment access service, a storage service, a positioning service, a database service and other related services, and a main module of the monitoring platform adopts a dual-computer hot standby or multi-computer cluster forming mode.
Furthermore, the monitoring platform comprises a monitoring system, the monitoring system comprises an access layer, an interaction layer and a support layer, the access layer comprises a network camera, a network video recorder, a law enforcement recorder 1 and roadside video monitoring equipment 2, the interaction layer comprises a streaming media distribution unit, a load balancing unit and an equipment access unit, and the support layer comprises a database service, a center management service, a monitoring service, an intercom service and a positioning service.
Furthermore, the law enforcement recorder 1 and the roadside video monitoring equipment 2 form a return link, a transmission node of the roadside video monitoring equipment 2 provides services for indoor and outdoor terminals, an RSRP access threshold is-105 dBm, and an indoor TP can cover the range of outdoor 23 m.
Further, the TP transmission power is 20dBm, and the carrier frequency is 3.5 GHz.
Further, the law enforcement recorder 1 receives in cooperation with the roadside video monitoring device 2 through a virtual terminal group, and a plurality of terminals within the terminal group attempt to receive.
Further, the law enforcement recorder 1 and the roadside video monitoring equipment 2 realize data synchronization.
Further, the monitoring platform is connected with the law enforcement recorder 1 and the roadside video monitoring equipment 2 through a digital network.
By arranging the monitoring platform, the monitoring platform is connected with the law enforcement recorder 1 and the roadside video monitoring equipment 2 through a digital network, the monitoring system comprises an access layer, an interaction layer and a support layer, the access layer comprises a network camera, a network hard disk video recorder, the law enforcement recorder 1 and the roadside video monitoring equipment 2, the interaction layer comprises a streaming media distribution unit, a load balancing unit and an equipment access unit, the support layer comprises a database service, a central management service, a monitoring service, an intercommunication service and a positioning service, the situation that the law enforcement personnel wear the law enforcement recorder 1 to enter the monitoring range of the roadside video monitoring equipment 2, the roadside video monitoring is sensed immediately, the monitoring video is transmitted to the monitoring platform, a real-time monitoring video is automatically popped out from a monitoring background, and the law enforcement personnel carry out two-way conversation with the monitoring platform manager through the law enforcement recorder 1, the system is convenient for background managers to communicate with the law enforcement personnel to solve the specific situations and problems of accidents, timely solve the problems and dispatch police support, know the specific positions of the law enforcement personnel in real time through GPS and Beidou positioning, can display the positions on a monitoring platform in real time, support GIS map query, know the specific situations around the law enforcement personnel through the roadside video monitoring equipment 2, better and comprehensively master the situations by combining the images returned by the roadside video monitoring equipment 2 and the law enforcement recorder 1, is convenient for managers of the monitoring platform to timely inform the law enforcement personnel to enter the scene and return and store the images on the scene aiming at the image information transmitted in the roadside monitoring video equipment range when the accidents happen, and can be used for leading a responsible person to watch, decide and command through the monitoring platform, thereby solving the problems that the law enforcement personnel enter the roadside monitoring range and can not be combined with a network platform to monitor the situation around the law enforcement, the safety of law enforcement personnel is ensured, and accidents occur and are communicated with the law enforcement personnel in time, so that the accident is avoided in advance.
Step one, a plurality of roadside video monitoring equipment 2 are deployed with low-power transmission nodes within the coverage range, under the condition of high-density deployment of transmission nodes, the edge effect (including interference and mobility problems) of the system becomes more prominent, a plurality of law enforcement recorders 1 are connected with the roadside video monitoring equipment 2 through a wireless self-return technology, the wireless self-return technology enables random deployment of the transmission nodes to be possible, investment and operation cost of the network are greatly reduced, the roadside video monitoring equipment 2 transmission nodes are used for providing service for indoor and outdoor terminals, indoor existing return links (usually non-ideal return links) are used for reducing deployment cost, feasibility assessment that the indoor transmission nodes cover the outdoor terminals is achieved, when RSRP access threshold is-105 dBm, indoor TP can cover the outdoor 23m range, and the roadside video monitoring equipment 2 and the law enforcement recorders 1 are connected with a monitoring platform through a digital network, when a law enforcement officer wears the law enforcement recorder 1 to enter the monitoring range of the roadside video monitoring equipment 2, roadside video monitoring is sensed immediately, a monitoring video is transmitted to a monitoring platform, and a monitoring background automatically pops up a real-time monitoring video;
secondly, after a law enforcement officer wears the law enforcement recorder 1 TO enter the monitoring range of the roadside video monitoring equipment 2, virtualization of a terminal can be realized among equipment of adjacent users or among a plurality of pieces of equipment (a notebook computer, a tablet computer, the law enforcement recorder 1, a mobile phone and wearable equipment) of the same user, the plurality of pieces of equipment form a virtual user group or a terminal group on a terminal layer, data are jointly received or transmitted from a base station layer, depending on communication conditions among different pieces of equipment, cooperation among the terminals has a plurality of implementation modes, a cooperation receiving mode between the base station and the virtual terminal group is adopted, in 1(TO), the base station transmits multiplexed data TO the terminal group, and a plurality of terminals in the terminal group try TO receive the data; 2(T1), the terminal exchanges data and parameters (such as ACKNACK or soft information) related to data reception; 3(T2), a selected terminal sends ACK/NACK feedback TO the base station, so that the effective SINR seen by the virtual terminal group will be higher than the SINR between the base station and the best terminal, and the spectral efficiency between the base station and the virtual terminal group is significantly improved, depending on different cooperation methods, the specific implementation manners of 1(TO) and 2(TI) are different, the devices in the virtual deduction terminal group share the resources and capabilities, the terminal with the best SINR may branch TO select TO receive downlink data and then forward the data TO the terminal with low SINR in T0, the higher SINR may be due TO better channel conditions or more advanced receiving capabilities, such as interference cancellation and suppression capabilities, and in addition, the virtual terminal group also shares its respective carrier processing capability, each terminal has only the ACK/NACK feedback, but the terminals with 4 carrier processing capabilities have together 4 carrier processing capabilities, the 4 terminals transmit data for one terminal by utilizing respective capabilities and equipment direct links, if the equipment direct links are good enough, the cooperative transmission of the 4 terminals can obviously improve the throughput of a target terminal, and the other virtual terminal group shares the mutual capabilities, a control plane is from other terminals using more reliable authorized carriers, and a user plane is directly from a base station and is based on unreliable unauthorized carriers, so that all the devices in one virtual terminal group can share the control plane function on the authorized carriers, a law enforcement officer can carry out two-way conversation with a monitoring platform manager through a law enforcement recorder 1, the specific conditions and problems of accidents caused by communication between a background manager and the law enforcement officer are facilitated, the problems are solved in time and the police assistance is dispatched, the specific positions of the law enforcement officer are known in real time through GPS and Beidou positioning, and the positions can be displayed in real time on the monitoring platform, supporting GIS map query, and knowing the specific situation around the law enforcement officer through the roadside video monitoring equipment 2;
thirdly, realizing data synchronization of the law enforcement recorder 1, the roadside video monitoring equipment 2 and the monitoring platform, wherein the data synchronization is an important component of video transmission area virtualization and has the following meanings: each transmission node in the virtual cell agrees on the data encapsulation mode and configuration parameters of a certain area or a plurality of areas of a user plane protocol stack so as to realize flexible conversion or joint signal processing between the transmission nodes, and the depth of data synchronization comprises the following steps: the method for synchronizing data comprises two methods, namely packet forwarding based and signaling based, wherein the number and the synchronization depth of transmission nodes for realizing data synchronization are related to the problems and the used technologies, for example, when the interference problem is solved, the joint signal processing technology among the transmission nodes in a virtual cell needs to realize the data synchronization at the MAC PDU level; in solving the mobility problem, the time interval selected by the transmission node is relaxed, the Data Synchronization at PDCP PDU level can meet the requirement, and some technologies, such as CS/CB, even do not need to implement Data Synchronization between the transmission nodes, the more nodes that can implement Data Synchronization, the more deep-seated nodes, and the more windy, when using the wireless self-return technology, the overhead of Data Synchronization will have a great influence on the system capacity of UDN, therefore, on the premise of ensuring the virtualization effect, the number, the Synchronization depth, the Synchronization mode, and the Synchronization timing of the Data step-by-step transmission nodes are controlled in a suitable manner, "layered, heterogeneous Data Synchronization" of heterogeneous heroglas "is required, wherein the virtual cell of UEI is composed of 4 transmission nodes, TP0 is MTP, TP1/2/3 is STP, 2 and TPO both acquire Data of the core network, and MAC layer Data Synchronization is implemented in a signaling manner, supporting joint signal processing technology and dynamic transmission node selection between TP2/TP0, TP1 can not directly obtain core network data, realizes PDCP layer data synchronization through packet forwarding with TPO, supports fast conversion of service TP, adds TP3 into virtual cell, but not synchronized with TPO data, TP3 obtains scheduling information for the UEI which, when it belongs to another cell at the same time, by utilizing CS/CB technology, the interference to UEI is avoided, the law enforcement recorder 1 worn by law enforcement personnel is connected with a monitoring platform through a digital network, and the situation is better mastered comprehensively by combining images transmitted back by the roadside video monitoring equipment 2 and the law enforcement recorder 1, aiming at the image information transmitted within the scope of the roadside monitoring video equipment when an accident occurs, the manager of the monitoring platform can conveniently inform law enforcement personnel to enter the scene in time and transmit and store the scene image, and the responsible person can watch, decide and command through the monitoring platform.
In another embodiment, the system for video surveillance access through a network set further includes:
obtaining information data associated with the user access service;
responding to the acquired information data associated with the user access service, and acquiring an information data list context map stored in the database service;
matching the information data associated with the user access service with stored information in an information data list context map stored in the database service;
and identifying and tracking the matched stored data according to the matching result.
Wherein said matching information data associated with said user access service with stored information in an information data list context stored in said database service comprises:
a1, calculating the matching degree;
wherein L isiDegree of matching of information data associated with the user's access to the service with the i-th stored information in the context of the information data list stored in the database service, diThe ith storage information in the context map of the information data list stored in the database service is represented by a matching function, a is the information data related to the user access service, and alpha is the information data related to the user access servicejpAssociating an influence coefficient for j data information of the information data associated with the user access service with p data information of i storage information in an information data list context map stored in the database service, dis being a semantic similarity function, AjJ-th data information of information data associated with accessing the service for said user, DipThe p-th data information of the ith stored information in the context map of the information data list stored in the database service;
a2, determining a matching result;
when L isk＝max{LiWhen is }, Y ═ dk
Wherein Y is the matching result, dkFor stored information in a context map of an information data list stored in said database service corresponding to the calculated maximum degree of matching, LkMax is a function of the maximum value for the maximum value in the calculated degree of matching.
Has the advantages that: the positioning service is realized through the technical scheme, the matching of the information data associated with the user access service and the stored information in the information data list context map stored in the database service can be realized without complex operation, the realization of real-time function is facilitated, and the correlation influence coefficients of different information on the final matching result are considered to be different when the matching degree is calculated, so that the precision of the whole matching process is higher.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (10)
1. A system for video monitoring access through network aggregation comprises a law enforcement recorder (1) and roadside video monitoring equipment (2), and is characterized in that: the law enforcement recorders (1) are connected with roadside video monitoring equipment (2) through a wireless self-return technology, and low-power transmission nodes are deployed in the coverage range of the roadside video monitoring equipment (2).
2. The system of claim 1, wherein the video surveillance system is accessed via a network aggregation, and comprises: the law enforcement recorder (1) comprises a video monitoring system, a two-way intercom system and a GPS positioning system, wherein data of the video monitoring system, the two-way intercom system and the GPS positioning system are uploaded to a monitoring platform through a 3G/4G, WIFI satellite and a wire.
3. The system of claim 1, wherein the video surveillance system is accessed via a network aggregation, and comprises: the monitoring platform consists of a central management service, a stream distribution service, a user access service, an equipment access service, a storage service, a positioning service, a database service and other related services, and a main module of the monitoring platform adopts a dual-computer hot standby or multi-computer cluster forming mode;
the location service includes:
obtaining information data associated with the user access service;
responding to the acquired information data associated with the user access service, and acquiring an information data list context map stored in the database service;
matching the information data associated with the user access service with stored information in an information data list context map stored in the database service;
identifying and tracking the matched stored data according to the matching result;
wherein said matching information data associated with said user access service with stored information in an information data list context stored in said database service comprises:
a1, calculating the matching degree;
wherein L isiDegree of matching of information data associated with the user's access to the service with the i-th stored information in the context of the information data list stored in the database service, diThe ith storage information in the context map of the information data list stored in the database service is represented by a matching function, a is the information data related to the user access service, and alpha is the information data related to the user access servicejpAssociating an influence coefficient for j data information of the information data associated with the user access service with p data information of i storage information in an information data list context map stored in the database service, dis being a semantic similarity function, AjJ-th data information of information data associated with accessing the service for said user, DipThe p-th data information of the ith stored information in the context map of the information data list stored in the database service;
a2, determining a matching result;
when L isk＝max{LiWhen is }, Y ═ dk
Wherein Y is the matching result, dkFor the information data stored in the database service corresponding to the maximum matching degreeStorage information in a context map, LkMax is a function of the maximum value for the maximum value in the calculated degree of matching.
4. The system of claim 1, wherein the video surveillance system is accessed via a network aggregation, and comprises: the monitoring platform comprises a monitoring system, the monitoring system comprises an access layer, an interaction layer and a supporting layer, the access layer comprises a network camera, a network video recorder, a law enforcement recorder (1) and roadside video monitoring equipment (2), the interaction layer comprises a streaming media distribution unit, a load balancing unit and an equipment access unit, and the supporting layer comprises a database service, a central management service, a monitoring service, an intercom service and a positioning service.
5. The system of claim 1, wherein the video surveillance system is accessed via a network aggregation, and comprises: the law enforcement recorder (1) and the roadside video monitoring equipment (2) form a return link, transmission nodes of the roadside video monitoring equipment (2) provide services for indoor and outdoor terminals, an RSRP access threshold is-105 dBm, and an indoor TP can cover the range of outdoor 23 m.
6. The system of claim 5, wherein the video surveillance system is accessed through a network set, and comprises: the TP transmitting power is 20dBm, and the carrier frequency is 3.5 GHz.
7. The system of claim 1, wherein the video surveillance system is accessed via a network aggregation, and comprises: the law enforcement recorder (1) and the roadside video monitoring equipment (2) cooperatively receive through a virtual terminal group, and a plurality of terminals in the terminal group receive.
8. The system of claim 1, wherein the video surveillance system is accessed via a network aggregation, and comprises: and the law enforcement recorder (1) and the roadside video monitoring equipment (2) realize data synchronization.
9. The system of claim 1, wherein the video surveillance system is accessed via a network aggregation, and comprises: the monitoring platform is connected with the law enforcement recorder (1) and the roadside video monitoring equipment (2) through a digital network.
10. A system for video surveillance access via a network aggregation as claimed in any one of claims 1 to 9, comprising the operational steps of:
step one, low-power transmission nodes are deployed in the coverage area of a plurality of roadside video monitoring devices (2), under the condition that the transmission nodes are deployed at high density, a plurality of law enforcement recorders (1) are connected with the roadside video monitoring devices (2) through a wireless self-return technology, and the transmission nodes of the roadside video monitoring devices (2) are utilized to provide services for indoor and outdoor terminals;
when the RSRP access threshold is-105 dBm, the indoor TP can cover the outdoor range of 23m, the roadside video monitoring equipment (2) and the law enforcement recorder (1) are connected with the monitoring platform through a digital network, when law enforcement personnel wear the law enforcement recorder (1) to enter the monitoring range of the roadside video monitoring equipment (2), roadside video monitoring is immediately sensed, the monitoring video is transmitted to the monitoring platform, and the monitoring background automatically pops up the real-time monitoring video;
secondly, after a law enforcement officer wears the law enforcement recorder (1) to enter the monitoring range of the roadside video monitoring equipment (2), the virtualization of the terminal can be realized among equipment of adjacent users or among a plurality of equipment of the same user, the plurality of equipment form a virtual user group or a terminal group on a terminal layer, data are jointly received or transmitted from a base station layer, and depending on the communication conditions among different equipment, the cooperation among the terminals has a plurality of implementation modes and a cooperative receiving mode between the base station and the virtual terminal group;
in TO, a base station transmits multiplexed data TO a terminal group, and a plurality of terminals in the terminal group try TO receive the data;
in T1, data interaction and parameters related to data reception between terminals;
in T2, a selected terminal sends ACK/NACK feedback to the base station, so that the effective SINR seen by the virtual terminal group is higher than the SINR between the base station and the best terminal, and the spectral efficiency between the base station and the virtual terminal group is significantly improved;
depending on the different collaboration methods: the specific implementation manners of TO and TI are different, the devices in the virtual deduction terminal group share resources and capabilities, in T0, the terminal with the best SINR may elect TO receive downlink data and then forward the data TO the terminal with low SINR, the higher SINR may be due TO better channel conditions or more advanced receiving capability, such as interference cancellation and suppression capability, in addition, the virtual terminal group also shares respective carrier processing capability, each terminal only has single carrier processing capability, but 4 terminals with single carrier capability have 4 carrier processing capability together, 4 terminals transmit data for one of the terminals by using respective capability and a device direct link, cooperative transmission of 4 terminals will significantly improve the throughput of the target terminal, the other, the virtual terminal group share each other's capability, and the control plane comes from other terminals using more reliable authorized carriers, the user plane is directly from a base station and is based on an unreliable unauthorized carrier, so that all devices in a virtual terminal group can share the control plane function on the authorized carrier, a law enforcement officer carries out two-way conversation with a monitoring platform manager through a law enforcement recorder (1), the background manager and the law enforcement officer can conveniently communicate with the specific situation and problem of an accident, the problem is solved in time and police force is dispatched for support, the specific position of the law enforcement officer is known in real time through GPS and Beidou positioning, the position can be displayed in real time on the monitoring platform, GIS map query is supported, and the specific situation around the law enforcement officer is known through a roadside video monitoring device (2);
thirdly, realizing data synchronization of the law enforcement recorder (1), the roadside video monitoring equipment (2) and the monitoring platform, wherein the data synchronization is an important component of video transmission area virtualization and has the following meanings: each transmission node in the virtual cell agrees on the data encapsulation mode and configuration parameters of a certain area or a plurality of areas of a user plane protocol stack so as to realize flexible conversion or joint signal processing between the transmission nodes, and the depth of data synchronization comprises the following steps: the method for synchronizing data comprises the steps that the number and the synchronization depth of transmission nodes for realizing data synchronization are related to the solved problems and the used technologies based on packet forwarding and signaling, for example, when the interference problem is solved, the joint signal processing technology among the transmission nodes in a virtual cell needs to realize the data synchronization at the MAC PDU level; when the mobility problem is solved, the time interval selected by the transmission node is widened, and the data synchronization of the PDCP PDU level can meet the requirement;
when the wireless self-return technology is used, the overhead of data synchronization has a great influence on the capacity of the UDN system, so that the number of data step-by-step transmission nodes, the synchronization depth, the synchronization mode and the synchronization time need to be controlled in a suitable manner on the premise of ensuring the virtualization effect;
the virtual cell of the UEI is composed of 4 transmission nodes, TP0 is MTP, TP1/2/3 is STP, TP2 and TPO both acquire data of a core network, MAC layer data synchronization is realized through a signaling mode, a combined signal processing technology and dynamic transmission node selection between TP2/TP0 are supported, TP1 cannot directly acquire the data of the core network, PDCP layer data synchronization is realized through packet forwarding with TPO, rapid conversion of the service TP is supported, TP3 is added into the virtual cell but is not synchronized with the TPO data, and TP3 acquires scheduling information of the UEI;
when the intelligent traffic control system belongs to another cell, the CS/CB technology is utilized to avoid interference to the UEI, the law enforcement recorder (1) worn by law enforcement personnel is connected with the monitoring platform through a digital network, and a responsible person can watch, decide and command through the monitoring platform by combining images transmitted back by the roadside video monitoring equipment (2) and the law enforcement recorder (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011099278.0A CN112291516A (en) | 2020-10-14 | 2020-10-14 | System for video monitoring accessing through network set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114338332A (en) * | 2021-12-23 | 2022-04-12 | 深圳职业技术学院 | Efficient data sending method in intelligent industrial Internet of things |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114338332A (en) * | 2021-12-23 | 2022-04-12 | 深圳职业技术学院 | Efficient data sending method in intelligent industrial Internet of things |
| CN114338332B (en) * | 2021-12-23 | 2023-05-05 | 深圳职业技术学院 | Efficient data transmission method in intelligent industrial Internet of things |
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