November 24, 2024
Comm. & Networking, Photonics, Space Technology, Defense & Exploration
In the rapidly evolving realm of space exploration and satellite technology, intersatellite links (ISLs) have become essential for enabling robust, efficient communication networks. These links allow satellites to communicate directly with each other, bypassing the need for ground stations, and significantly enhancing the overall performance and reliability of satellite constellations. …
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November 23, 2024
Comm. & Networking, Space Technology, Defense & Exploration
In an era where connectivity is paramount, satellite networks play a critical role in bridging communication gaps across vast distances and challenging terrains. This article delves into the intricacies of satellite network architectures, exploring their topology, connectivity, and the types of link routing and switching. We will also discuss transparent …
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November 23, 2024
Comm. & Networking, Space Technology, Defense & Exploration
As satellite constellations become integral to global communication networks, ensuring reliable and efficient data transmission remains a paramount challenge. Channel coding, which adds redundancy to transmitted data, is a fundamental technique employed to enhance the reliability and efficiency of satellite communication systems. This article delves into the principles of channel …
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November 21, 2024
Comm. & Networking, Space Technology, Defense & Exploration
Very High Throughput Satellites (V/HTS) are transforming the landscape of satellite communications, offering unprecedented data transmission rates that exceed 100 Gbits/second. Imagine downloading a movie in seconds, or video conferencing across continents with zero lag. This isn’t science fiction, but the potential of Very High Throughput Satellites (VHTS). These advanced …
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November 19, 2024
Comm. & Networking, Photonics
Today, our devices and technologies rely predominantly on electronic systems to process and transmit information. Current networks—wired, wireless, fiber optics, LTE, and 5G—fulfill our needs but face significant limitations for the future. Our current internet infrastructure, while robust, is nearing its limits. As we generate ever more data and demand …
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November 15, 2024
Comm. & Networking, Electronics & EW
The Defense Advanced Research Projects Agency (DARPA) is renowned for its forward-thinking initiatives that drive technological innovation. One such initiative, the COmpact Front-end Filters at the ElEment-level (COFFEE) program, is a testament to DARPA’s commitment to advancing science and technology. This program seeks to revolutionize radio frequency (RF) filter technology, …
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November 14, 2024
Comm. & Networking, Electronics & EW, Industry & Market Dynamics, Test & Measurement
Satellite communication systems cater to a wide range of user requirements, from direct broadcast and wireless communications to remote sensing for commercial and government applications. These systems are expected to operate reliably 24/7 and maintain their performance over multi-decade lifespans. Ensuring a high quality of service throughout the satellite’s lifecycle necessitates …
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November 13, 2024
Comm. & Networking, Industry & Market Dynamics, Space Technology, Defense & Exploration
Introduction: In the ever-evolving landscape of aviation, one technology has emerged as a game-changer – Airborne Satellite Communications on the Move (COTM). With its ability to provide uninterrupted connectivity for commercial and military aircraft, as well as unmanned aerial vehicles (UAVs), COTM has revolutionized communication capabilities in the skies. As …
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November 12, 2024
Air Force & Aviation, Comm. & Networking, Unmanned & Autonomous Systems
The future of aviation is marked by significant growth in air travel, air cargo, and private general aviation. A key component of this growth is the increasing demand for reliable and high-speed satellite communication technologies, both for passenger services and for operational data transmission in aircraft and UAVs (Unmanned Aerial …
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November 11, 2024
Comm. & Networking, Electronics & EW, Space Technology, Defense & Exploration
Satellites play a crucial role in global communications, enabling connectivity across vast distances where terrestrial networks are impractical. To maximize the efficiency and effectiveness of satellite communications, various multiple access techniques are employed. These techniques allow multiple users to share the satellite’s communication resources. This article explores Time Division Multiple …
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