newer representatives like Bluetooth (25 Mbit / sec.), WiFi (54 Mbit / sec.) or LTE (150 Mbit / sec.) raise the bar considerably
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- Barbra Butler
- 5 years ago
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2 1983 is a special year for telecommunication via lasers. This year, the foundation stone for the development of a laser terminal in Germany was laid. Since then, much has happened, the world has changed and more and more areas of application have crystallized. In today s times, when bandwidths increase day by day, and data sets for all conceivable fields of application are increasing, it is difficult to imagine how impressed people were 30 years ago by even small milestones. At the end of the 80s, the first telephone modems entered the private households, which at this time represented with the performance of up to 300 bit / sec. the upper end of the food chain. Relatively soon thereafter more powerful variants followed up, until with the ISDN the first great milestone was reached. DSL, Ethernet and Gigabit Ethernet were logical consequences and technical developments of a cable-based data transmission, at which we are currently talking about transmission rates of up to one gigabit per second. In the area of wireless transmission, radio has been and is still a measure of things that are used by many also space-oriented topics. The pioneer of data transmission through the air achieves today about 300 Kbit / sec., newer representatives like Bluetooth (25 Mbit / sec.), WiFi (54 Mbit / sec.) or LTE (150 Mbit / sec.) raise the bar considerably higher. So there is already so much and it becomes more and more. Nevertheless, our pioneers, who started working on the development of telecommunication via laser in 1983, decided to transfer data by an optical signal after all, this had worked with signal lamps on the high seas for decades. Ten years ago, in 2007, the first great milestone: The first laser communication terminal (LCT) sees the light of the exosphere. In 2008 the first link between two satellites followed and Tesat-Spacecom is and remains the only company worldwide that enables this technology. But why all this? Quite simply, because our pioneers were from early on aware of that the amount of data that will be transmitted over long distances in the future will become even greater. So our fastest horse in the stable is currently able to send 1.8 Gbps over a distance of up to 80,000 km, loss-free and absolutely bugproof and interference-resistant. This becomes relevant in situations where time actually means everything. In the event of natural catastrophes, where rapid humanitarian aid can save lives, in the case of distress at sea in which damaged ships and survivors have to be catered for in the shortest possible time, or in the case of global issues such as climate change and the melting of the polar carcasses, Laser Communication Terminals from Tesat-Spacecom are in use. Fast, reliable and over all distances.
3 Data Relay Market Tesat-Spacecom has been the world leader in the development and manufacturing of laser communication terminals (LCTs) for more than 10 years. The world s first inter-satellite links were made possible and realized at the time using this groundbreaking technology. It is therefore only logical that the next milestone in the field of optical broadband communication comes from Backnang, Germany. Data Relay Market Constellation Market Constellation Market Direct-to-Earth Market Direct-to-Earth Market This next big milestone is the further Another new feature in the field of For the upcoming Direct-to-Earth development of the LEO135 earth obser- 3, laser communication is the ConLCT (3) (DTE) market, Tesat-Spacecom has the vation pioneer to a SMARTer product which has been designed specifically to 5, which is even smaller and LEO-DTE (5) LEO SMART with the same performance, meet the needs and functionalities of LEO reduces the size and weight once more but lower size, weight, power and cost. In satellite constellations. The goal was also by a factor of four. With a weight of less 2 inherits the the future the LEO SMART (2) to keep mass and dimensions as low as than 5 kg and a size that would easily fit venerable LEO135. Like its predecessor, it possible at maximum performance. The into any glove box, it is capable of estab- will be able to produce inter-satellite links ConLCT is designed to provide a grid lishing a data link at a rate of up to over a distance of up to 45,000 km at data matrix for constellations with four indi- 10 Gbit / sec. over a distance of 1,500 km. 00km 45,0 00k m 2 m 0k 1,50 6 rates of. The biggest diffe- vidually adjustable laser communication rence are its dimensions and weight, which terminals, which have a range of up to The latest pioneer project is called could be reduced by a factor of three. 6,000 km for inter-satellite links even 4. With this technology, slowly CubeL (4) The compatibility with the geostationary data rates of up to 5 Gbit / sec. are possi- but surely the maximum lower limit for ex- 1 GEO135 (1) backbones, which already ble over this distance. The Specialist, as ternal factors such as size and weight is have a long heritage in orbit, is also gu- the ConLCT is also called, is thus a perfect reached. The candidate for the CubeSat aranteed. The new LCT with the nickname fit for the constellation market, like the market weighs just 250 g. Nevertheless, it The Future User is perfectly matched to European GPS competitor Galileo. will be possible to maintain downlink data the low earth orbit (LEO) data relay mar- rates of about 100 Mbit / sec. over a dis- ket, whose prominent representatives are, tance of 1,500 km. Not only in space, but also on ground Tesat-Spacecom has with their Optical 6 the technology and Ground Station (6) expertise of the back-end for all common wavelengths 1064 nm and 1550 nm which have been in use for a long time on Tenerife, Spain ,000km for example, the Sentinel satellites of the European Copernicus program. 1 80,0 3 LCT All-Embracing Portfolio for Laser Communication
4 Broadband Internet for Space Up to 50 Terabyte / Day 10 Gbit / sec We make it possible fast, Reliable & Over all distances
5 Tesat-Spacecom GmbH & Co. KG Gerberstraße Backnang Germany Copyright Tesat-Spacecom GmbH & Co. KG 2017 Produced in Germany, March 2017 All Rights Reserved.
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