CN113873002A - Internet of things communication system - Google Patents

Internet of things communication system Download PDF

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Publication number
CN113873002A
CN113873002A CN202110893995.9A CN202110893995A CN113873002A CN 113873002 A CN113873002 A CN 113873002A CN 202110893995 A CN202110893995 A CN 202110893995A CN 113873002 A CN113873002 A CN 113873002A
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data
module
video
sending
internet
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孙玉林
王晓卉
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Shandong Business Institute
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Shandong Business Institute
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • GPHYSICS
    • G16INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16YINFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
    • G16Y10/00Economic sectors
    • G16Y10/75Information technology; Communication
    • GPHYSICS
    • G16INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16YINFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
    • G16Y40/00IoT characterised by the purpose of the information processing
    • G16Y40/10Detection; Monitoring
    • GPHYSICS
    • G16INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16YINFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
    • G16Y40/00IoT characterised by the purpose of the information processing
    • G16Y40/50Safety; Security of things, users, data or systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/18578Satellite systems for providing broadband data service to individual earth stations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/18578Satellite systems for providing broadband data service to individual earth stations
    • H04B7/18586Arrangements for data transporting, e.g. for an end to end data transport or check
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/50Network services
    • H04L67/56Provisioning of proxy services
    • H04L67/565Conversion or adaptation of application format or content
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08Access security
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/12Detection or prevention of fraud
    • H04W12/126Anti-theft arrangements, e.g. protection against subscriber identity module [SIM] cloning
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/0231Traffic management, e.g. flow control or congestion control based on communication conditions
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04Large scale networks; Deep hierarchical networks
    • H04W84/06Airborne or Satellite Networks

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Business, Economics & Management (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Health & Medical Sciences (AREA)
  • Accounting & Taxation (AREA)
  • Development Economics (AREA)
  • Economics (AREA)
  • General Business, Economics & Management (AREA)
  • Multimedia (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The invention discloses an Internet of things communication system, which is used for establishing communication connection between a data sending end and a data receiving end; the method comprises the following steps: the communication line building module is used for awakening the corresponding data sending end and the data receiving end at regular time according to a preset data analysis request and building a data transmission channel between the data sending end and the data receiving end; the data transmission rule determining module is used for determining the data transmission rule of the current data transmission channel according to the current network condition; the data packet generating and sending module is used for converting the data information sent by the awakened data sending end into a data packet with a corresponding format according to the data transmission rule and sending the data packet to the data receiving end; and the data packet analysis module is used for analyzing the data packet to obtain corresponding data information. The invention can avoid the problems of data accumulation and untimely uploading to a certain extent and can also avoid the occurrence of the condition of network stealing.

Description

Internet of things communication system
Technical Field
The invention relates to the technical field of Internet of things, in particular to an Internet of things communication system.
Background
The concept of the internet of things is developed on the basis of the internet, and the concept of the internet of things extends and expands a user side to any article to article for information exchange and communication. The Internet of things digitalizes the real world, has a wide application range and mainly comprises the following aspects: the system has the advantages of wide market and application prospect in the fields of transportation and logistics, health and medical treatment, intelligent environment (home, office and factory), personal and social fields and the like.
At present, information sensing components such as inductors are mainly installed in field devices such as power grids, railways, bridges, buildings, water supply systems, oil and gas pipelines and industrial equipment, and are in communication connection with the cloud end through the network, so that the internet of things is formed. The intelligent sensor has the main functions of collecting data of various field sensors, transmitting the data to a cloud end through various wireless and wired communication means, carrying out intelligent calculation, and controlling various field execution devices according to a calculation result so as to achieve connection between objects.
In practical application, the data acquisition equipment is various in types and large in quantity, and the acquisition period of the equipment is short according to the real-time requirement, so that the data acquired by the data transmitting end and the data gathered by the gateway of the internet of things are massive. The existing communication process of the Internet of things has the problems that data is not uploaded timely, a large amount of cache is accumulated, data interruption is easy to occur, the real-time performance of data updating is not guaranteed, and the like, and equipment downtime is easily caused. Meanwhile, most of the equipment access modes adopt a mode that the equipment can be accessed by key matching, so that great network safety hidden danger exists.
Therefore, it is an urgent need to solve the problem of providing a communication system of internet of things capable of improving data transmission efficiency and preventing network from being stolen.
Disclosure of Invention
In view of this, the invention provides an internet of things communication system, which can avoid the problems of data accumulation and untimely uploading to a certain extent, and can also avoid the occurrence of network stealing.
In order to achieve the purpose, the invention adopts the following technical scheme:
an internet of things communication system is used for establishing communication connection between a data sending end and a data receiving end; the method comprises the following steps:
the communication line building module is used for awakening the corresponding data sending end and the data receiving end at regular time according to a preset data analysis request and building a data transmission channel between the data sending end and the data receiving end;
the data transmission rule determining module is used for determining the data transmission rule of the current data transmission channel according to the current network condition;
the data packet generating and sending module is used for converting the awakened data information sent by the data sending end into a data packet with a corresponding format according to the data transmission rule and sending the data packet to the data receiving end; and
and the data packet analysis module is used for analyzing the data packet to obtain corresponding data information.
Preferably, in the communication system of the internet of things, the communication line building module includes:
the identity coding module is used for configuring a unique identity code for each data transmitting terminal and each data receiving terminal according to the metadata of the data transmitting terminal and the data receiving terminal; the metadata at least comprises a manufacturer, a model and a production serial number;
the awakening and sleeping module is used for realizing awakening and sleeping of the corresponding data sending end and the data receiving end according to the entry and removal of the identity code; and
and the data transmission channel building module is used for building a data transmission channel between the data sending end and the data receiving end which are in the awakening state.
Preferably, in the communication system of the internet of things, the communication line building module further includes:
the working condition monitoring module is used for monitoring whether the working condition of the current data transmission channel is normal or not in real time; the communication line building module is used for building a standby transmission channel between the data sending end and the data receiving end when the working condition of the current data transmission channel is abnormal, and cutting off the data transmission channel with the abnormal working condition.
Preferably, in the communication system of the internet of things, the data transmission rule determining module includes:
the network monitoring module is used for monitoring the network bandwidth value between the data sending end and the data receiving end in real time and determining the current network bandwidth grade; the network bandwidth grade comprises four states of excellent, good, medium and poor;
the data type judging module is used for judging whether the data type transmitted by the current data transmission channel is video monitoring data, picture data, text data or a control instruction; and
and the sending rule determining module is used for determining the transmission mode of the video monitoring data according to the current network bandwidth grade when the data type is the video monitoring data.
Preferably, in the communication system of the internet of things, the transmission mode of the video monitoring data is as follows: real-time video code stream transmission, abnormal video transmission, video abstract transmission, panoramic image transmission, abnormal target picture transmission or text information transmission.
Preferably, in the communication system of the internet of things, the data packet generating and sending module includes:
the first video conversion module is used for adjusting the video monitoring data into a real-time video code stream matched with the current network bandwidth value when the current network bandwidth level is excellent;
the second video conversion module is used for extracting abnormal videos, video abstracts or spliced panoramas containing abnormal moving targets in the video monitoring data when the current network bandwidth level is good;
the third video conversion module is used for extracting abnormal target pictures and attribute information in the video monitoring data when the current network bandwidth grade is medium;
the fourth video conversion module is used for generating text information for describing the content of the video monitoring data when the current network bandwidth level is poor;
the packaging module is used for packaging the real-time video code stream, the abnormal video, the video abstract, the spliced panoramic image, the abnormal target picture, the attribute information or the text information into a data packet; and
and the sending module is used for sending the data packet to the data receiving end.
Preferably, in the communication system of the internet of things, the method further includes:
and the frequency band conversion module is used for mutually converting signals in different frequency bands to realize wireless communication between the data sending end and the satellite.
Preferably, in the communication system of the internet of things, the frequency band converting module includes:
the processor is used for converting the UHF frequency band signal sent by the data sending end into a Ka frequency band signal or converting the Ka frequency band signal sent by the satellite into the UHF frequency band signal;
the Ka antenna is used for receiving the Ka frequency band signal sent by the satellite or sending the converted Ka frequency band signal to the satellite; and
and the UHF antenna is used for receiving the UHF frequency band signal sent by the data sending end or sending the converted UHF frequency band signal to the data sending end.
According to the technical scheme, compared with the prior art, the communication system of the internet of things is provided, and the communication line building module can automatically complete building of a data transmission channel between the data sending end and the data receiving end according to the data acquisition and analysis requirements, so that a new communication network is formed; and configuring a unique identity code for the data sending end and the data receiving end according to the metadata of the data sending end and the data receiving end through the identity coding module, mining whether the currently input identity coding information exists in a pre-established information base, if the identity coding information exists, accessing the data sending end or the data receiving end, and if the identity coding information does not exist, not allowing the data sending end or the data receiving end to access, thereby avoiding the situation that the network is stolen.
The data transmission rule determining module can set a data transmission rule according to the current network bandwidth condition, and adaptively select a transmission mode of a data packet, so that the data transmitting end and the data receiving end can be ensured to communicate quickly and stably, the network communication efficiency is improved, the network pressure is reduced to a certain extent, and the data can be ensured to be uploaded in time.
The frequency band conversion module can realize the mutual conversion of different frequency band signals, realizes the wireless communication between a data sending end and a satellite, does not need to arrange a wired return stroke of a base station, is suitable for unmanned areas such as oceans, mountainous areas, deserts and the like and severe environments with natural disasters, and can effectively save the communication cost of an internet of things system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a block diagram illustrating a communication system of the internet of things according to the present invention;
FIG. 2 is a block diagram of a communication line building module according to the present invention;
FIG. 3 is a block diagram of a data transmission rule determination module according to the present invention;
FIG. 4 is a block diagram of a data packet generating and transmitting module according to the present invention;
fig. 5 is a block diagram of a frequency band converting module according to the present invention.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention discloses an internet of things communication system, configured to establish a communication connection between a data sending end and a data receiving end; the method comprises the following steps: the device comprises a communication line building module 1, a data transmission rule determining module 2, a data packet generating and sending module 3 and a data packet analyzing module 4.
The communication line building module 1 is used for regularly waking up a corresponding data sending end and a corresponding data receiving end according to a preset data analysis request and building a data transmission channel between the data sending end and the data receiving end;
the data transmission rule determining module 2 is used for determining a data transmission rule of a current data transmission channel according to the current network condition; the data transmission rule determining module 2 in the embodiment of the invention can set the data transmission rule according to the current network bandwidth condition and adaptively select the transmission mode of the data packet, thereby ensuring the fast and stable communication between the data sending end and the data receiving end, improving the network communication efficiency, lightening the network pressure to a certain extent and ensuring the timely uploading of the data.
The data packet generating and sending module 3 is used for converting the data information sent by the awakened data sending end into a data packet with a corresponding format according to the data transmission rule and sending the data packet to the data receiving end;
the data packet analyzing module 4 is configured to analyze the data packet to obtain corresponding data information.
In one embodiment, as shown in fig. 2, the communication line building module 1 comprises: an identity coding module 11, a wake-up and sleep module 12 and a data transmission channel building module 13.
The identity coding module 11 is configured to configure a unique identity code for each data transmitting end and each data receiving end according to the metadata of the data transmitting end and the data receiving end; the metadata at least comprises a manufacturer, a model and a production serial number;
the awakening and sleeping module 12 is used for realizing awakening and sleeping of the corresponding data sending end and the data receiving end according to the entry and removal of the identity code;
the data transmission channel building module 13 is used for building a data transmission channel between the data sending end and the data receiving end which are in the awakening state.
The communication line building module 1 can automatically build a data transmission channel between a data sending end and a data receiving end according to the data acquisition and analysis requirements, so as to form a new communication network; the identity coding module 11 configures a unique identity code for the data sending end and the data receiving end according to the metadata of the data sending end and the data receiving end, and searches whether the currently entered identity code information exists from a pre-established information base, if the identity code information exists, the data sending end or the data receiving end is accessed, and if the identity code information does not exist, the data sending end or the data receiving end is not allowed to be accessed, so that the condition that the network is stolen is avoided.
In another embodiment, the communication line building module 1 further comprises a condition monitoring module 14.
The working condition monitoring module 14 is used for monitoring whether the working condition of the current data transmission channel is normal in real time; the communication line building module 1 is used for building a standby transmission channel between a data sending end and a data receiving end when the working condition of the current data transmission channel is abnormal, and cutting off the data transmission channel with the abnormal working condition.
When the working condition of the data transmission channel is abnormal, the corresponding data sending end starts a data caching function, the collected data is cached, after the standby transmission channel is built, the data caching work is stopped, and after the data collection task is completed, the cached data loaded in the standby transmission channel is transmitted to a data receiving end through the standby transmission channel.
In a specific embodiment, as shown in fig. 3, the data transmission rule determining module 2 includes: a network monitoring module 21, a data type judging module 22 and a sending rule determining module 23.
The network monitoring module 21 is configured to monitor a network bandwidth value between the data sending end and the data receiving end in real time, and determine a current network bandwidth level; the network bandwidth grade comprises four states of excellent, good, medium and poor;
the data type judging module 22 is configured to judge that the data type transmitted by the current data transmission channel is video monitoring data, picture data, text data, or a control instruction;
the sending rule determining module 23 is configured to determine a transmission mode of the video monitoring data according to the current network bandwidth level when the data type is the video monitoring data.
The transmission mode of the video monitoring data is as follows: real-time video code stream transmission, abnormal video transmission, video abstract transmission, panoramic image transmission, abnormal target picture transmission or text information transmission.
In another embodiment, as shown in fig. 4, the data packet generating and transmitting module 3 includes: a first video conversion module 31, a second video conversion module 32, a third video conversion module 33, a fourth video conversion module 34, a packing module 35, and a transmission module 36.
The first video conversion module 31 is configured to, when the current network bandwidth level is superior, adjust the video monitoring data to a real-time video code stream matched with the current network bandwidth value; when the current network bandwidth value is larger than 800Kbps, a high bit rate code stream is adopted, when the current network bandwidth value is between 400Kbps and 800Kbps, a medium bit rate code stream is adopted, and when the current network bandwidth value is between 200Kbps and 400Kbps, a low bit rate code stream is adopted.
The second video conversion module 32 is configured to extract an abnormal video, a video abstract or a stitched panorama of an abnormal moving object from the video monitoring data when the current network bandwidth level is good; when the network state is general, the continuous transmission of the real-time video has larger bandwidth pressure, and in the network state, only the abnormal video containing the abnormal target can be transmitted, or the important content in the video frame is extracted to organize into a video abstract, or when the network state is not enough to support 20 frames per second, the video frames are spliced into a panoramic image for transmission.
The third video conversion module 33 is configured to extract an abnormal target picture and attribute information from the video monitoring data when the current network bandwidth level is medium; and when the network state is poor and the panoramic image transmission is not enough supported, transmitting the abnormal video frame picture, and synchronously sending the abnormal condition in the abnormal video frame picture in a text form.
The fourth video conversion module 34 is configured to generate text information describing the content of the video surveillance data when the current network bandwidth level is poor. When the network state is poor enough to support the multimedia information transmission, the invention describes the important content monitored by the video by transmitting text information.
The packaging module 35 is configured to package a real-time video code stream, an abnormal video, a video summary, a spliced panorama, an abnormal target picture, attribute information, or text information into a data packet;
the sending module 36 is configured to send the packed data packet to a data receiving end.
In a preferred embodiment, as shown in fig. 5, the method further comprises: and the frequency band conversion module 5 is used for mutually converting signals in different frequency bands to realize wireless communication between the data sending end and the satellite.
Specifically, the frequency band converting module 5 includes: a processor 51, a Ka antenna 52 and a UHF antenna 53.
The processor 51 is configured to convert a UHF-band signal sent by the data sending end into a Ka-band signal, or convert a Ka-band signal sent by a satellite into a UHF-band signal;
the Ka antenna 52 is configured to receive a Ka band signal transmitted by a satellite or transmit a converted Ka band signal to the satellite;
the UHF antenna 53 is used for receiving a UHF-band signal transmitted by the data transmitting end or transmitting the converted UHF-band signal to the data transmitting end.
The traditional Internet of things system needs a ground base station to be arranged to receive data sent by an Internet of things data sending end in the coverage area of the traditional Internet of things system, but aiming at data communication and control requirements in unmanned areas such as oceans, mountainous areas, deserts and the like and severe environments such as natural disasters and the like, the base station cannot be arranged on the ground or the cost is too high due to the limitations of space, environment and the like. Meanwhile, the device has wide coverage area and is not influenced by weather and climate.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. An internet of things communication system is used for establishing communication connection between a data sending end and a data receiving end; it is characterized by comprising:
the communication line building module is used for awakening the corresponding data sending end and the data receiving end at regular time according to a preset data analysis request and building a data transmission channel between the data sending end and the data receiving end;
the data transmission rule determining module is used for determining the data transmission rule of the current data transmission channel according to the current network condition;
the data packet generating and sending module is used for converting the awakened data information sent by the data sending end into a data packet with a corresponding format according to the data transmission rule and sending the data packet to the data receiving end; and
and the data packet analysis module is used for analyzing the data packet to obtain corresponding data information.
2. The internet of things communication system of claim 1, wherein the communication line building module comprises:
the identity coding module is used for configuring a unique identity code for each data transmitting terminal and each data receiving terminal according to the metadata of the data transmitting terminal and the data receiving terminal; the metadata at least comprises a manufacturer, a model and a production serial number;
the awakening and sleeping module is used for realizing awakening and sleeping of the corresponding data sending end and the data receiving end according to the entry and removal of the identity code; and
and the data transmission channel building module is used for building a data transmission channel between the data sending end and the data receiving end which are in the awakening state.
3. The internet of things communication system of claim 1 or 2, wherein the communication line building module further comprises:
and the working condition monitoring module is used for monitoring whether the working condition of the current data transmission channel is normal or not in real time, building a standby transmission channel between the data sending end and the data receiving end when the working condition of the current data transmission channel is abnormal, and cutting off the data transmission channel with the abnormal working condition.
4. The internet of things communication system of claim 1, wherein the data transmission rule determining module comprises:
the network monitoring module is used for monitoring the network bandwidth value between the data sending end and the data receiving end in real time and determining the current network bandwidth grade; the network bandwidth grade comprises four states of excellent, good, medium and poor;
the data type judging module is used for judging whether the data type transmitted by the current data transmission channel is video monitoring data, picture data, text data or a control instruction; and
and the sending rule determining module is used for determining the transmission mode of the video monitoring data according to the current network bandwidth grade when the data type is the video monitoring data.
5. The internet of things communication system of claim 4, wherein the transmission mode of the video monitoring data is as follows: real-time video code stream transmission, abnormal video transmission, video abstract transmission, panoramic image transmission, abnormal target picture transmission or text information transmission.
6. The internet of things communication system of claim 5, wherein the data packet generating and sending module comprises:
the first video conversion module is used for adjusting the video monitoring data into a real-time video code stream matched with the current network bandwidth value when the current network bandwidth level is excellent;
the second video conversion module is used for extracting abnormal videos, video abstracts or spliced panoramas containing abnormal moving targets in the video monitoring data when the current network bandwidth level is good;
the third video conversion module is used for extracting abnormal target pictures and attribute information in the video monitoring data when the current network bandwidth grade is medium;
the fourth video conversion module is used for generating text information for describing the content of the video monitoring data when the current network bandwidth level is poor;
the packaging module is used for packaging the real-time video code stream, the abnormal video, the video abstract, the spliced panoramic image, the abnormal target picture, the attribute information or the text information into a data packet; and
and the sending module is used for sending the data packet to the data receiving end.
7. The internet of things communication system of claim 1, further comprising:
and the frequency band conversion module is used for mutually converting signals in different frequency bands to realize wireless communication between the data sending end and the satellite.
8. The internet of things communication system of claim 7, wherein the frequency band conversion module comprises:
the processor is used for converting the UHF frequency band signal sent by the data sending end into a Ka frequency band signal or converting the Ka frequency band signal sent by the satellite into the UHF frequency band signal;
the Ka antenna is used for receiving the Ka frequency band signal sent by the satellite or sending the converted Ka frequency band signal to the satellite; and
and the UHF antenna is used for receiving the UHF frequency band signal sent by the data sending end or sending the converted UHF frequency band signal to the data sending end.
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Cited By (1)

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CN115034734A (en) * 2022-03-17 2022-09-09 江苏小梦科技有限公司 Information high-speed processing system based on digital middle station technology

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