August 03, 2023
From 25 to 28 February 2019, Mobile World Congress 2019 was held in Barcelona, Spain. The theme of conference was "Intelligent Connectivity" and demonstrations and discussions were held around this theme using fifth generation (5G) mobile communication technologies, artificial intelligence, internet of things and big data. Among forums and workshops held during exhibition, more than 20 events directly used 5G as theme keyword.
Today, famous 5G network has attracted everyone's attention. So what is 5G? What can 5G do? What changes will 5G bring to security industry?
5G is a fifth-generation mobile communication network, and its peak theoretical transmission speed can reach 10Gbps, which is hundreds of times faster than 4G. For example, a 1G ultra high definition movie can be downloaded in 3 seconds. With advent of 5G technology, we are entering era of sharing 3D movies, games and programs in ultra high definition (UHD) using smart terminals. In 2018, Hefei Xinqiao International Airport adopted 5G technology, which not only allows passengers to check location of luggage in real time, but also improves airport's dispatch service, providing passengers with more efficient and personalized services.
If you think 5G is limited to mobile phones and airports, then I'm afraid Tucson isn't working. 5G applications are more reflected in Internet of things, cloud computing, big data and artificial intelligence. With blessing of 5G in security industry, efficiency will definitely increase by leaps and bounds and industry will achieve a quantum leap. Intelligent security with video surveillance applications as core is one of typical application scenarios.
In aspect of intelligent security, video surveillance monitoring system covers most important link in transmission of data in entire security industry, and is also most important and fundamental link in entire field of security. Because transmission speed of widely used 4G technology does not support fast transmission of large file formats to meet requirements of real-time monitoring, current monitoring technology often compresses video files, sacrificing video clarity during actual transmission process, this will lead to image degradation and poor performance of a particular monitoring channel. . In future, 5G technology will have a high-speed transmission rate with a transmission peak value exceeding 10Gbps, which will effectively solve problems of low speed and poor monitoring effect in existing video surveillance, and provide higher resolution surveillance data. at a faster speed.
CCTV data transmission is divided into wired and wireless transmission. At present, public domain video surveillance is mainly carried out through wired transmission. The transmission security wire wiring is extremely difficult and cost is too high, which reduces coverage rate of camera to a certain extent, and will be interrupted as soon as network line or equipment is out of order or damaged. Background monitoring and 5G wireless transmission simply make up for shortcomings of 4G communication, replace wired transmission, speed up transmission speed, reduce operation cost, make security work a breakthrough from complexity to simplicity, and lead a new development trend in future.
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