Chang Guang Satellite tv for pc Expertise has achieved 100 Gbps information transmission speeds through laser communication from the satellite tv for pc to the Earth. That is 10 instances sooner than the earlier document and outpaces the capabilities of Starlink.
The race to create laser communications is gaining momentum. Beijing has efficiently achieved a knowledge switch fee of 100 gigabits per second. This was reported by UNN close to interestingengineering.com.
Particulars
The publication notes that the nation has efficiently achieved 100 Gbps information transmission speeds utilizing laser communications from satellite tv for pc to the bottom. This unprecedented velocity is 10 instances sooner than the earlier document, the report says.
Chang Guang Satellite tv for pc Expertise has launched the Jilin-1 satellite tv for pc constellation. In keeping with the corporate, that is the world's largest business distant sensing satellite tv for pc community with sub-meter decision. The info was transmitted between a cell floor station primarily based on a truck and one in every of 117 satellites in orbit. This achievement provides Chang Guang Satellite tv for pc a bonus over Starlink.
The corporate plans to deploy laser communication items on all satellites of the Jilin-1 constellation to extend their effectivity, with the purpose of connecting 300 satellites right into a community by 2027.
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As expertise advances, satellites are getting smarter and higher at accumulating detailed info. Nevertheless, sending all this information again to Earth utilizing conventional strategies is turning into a bottleneck. Satellite tv for pc communication, particularly utilizing lasers, is a extra environment friendly and reasonably priced answer. Because of this, Chang Guang has developed a compact laser communication terminal – in regards to the dimension of a backpack – able to transmitting information each between satellites and from area again to Earth. This superior terminal was included within the payload of the satellite tv for pc (designated Jilin-1 02A02) launched in June 2023.
As a result of the bottom station is mounted on a car, it may be moved to keep away from unhealthy climate and turbulence, making information transmission extra dependable. A number of receiving stations shall be put in all through China to enhance the effectivity of receiving distant sensing picture information. Nevertheless, the achievement was not simple. The crew overcame numerous technical hurdles to realize this achievement, together with atmospheric disturbances, fast satellite tv for pc motion, and sustaining exact laser beam alignment.
Over the previous few years, the corporate has made fast progress within the improvement of high-speed laser communication applied sciences, each for space-to-ground information transmission and for information transmission between satellites. For instance, the system beforehand achieved a ten Gbps information fee from area to Earth in October 2023. The latest achievement of 100 Gbps is claimed to be equal to transmitting ten full-length films in "one second.
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