Abstract: To address the problem of high complexity of channel estimation for orthogonal time frequency space (OTFS) systems, we propose a low complexity channel estimation method leveraging the ...
At CES 2026, dSPACE will showcase end-to-end test solutions that enable vehicle manufacturers to efficiently master the increasing complexity in the development of software-defined vehicles. At booth ...
Without a fully reusable Starship there will not be large scale AI Data Centers in space. SpaceX has to bring the cost of flying a SpaceX Starship below $80 million per flight. SpaceX will likely be ...
A downtown Rock Island favorite is about to make another comeback. Mental health nonprofit group Narratives QC bought the old Theo’s Java Café space earlier this month. A social media post indicates ...
The original version of this story appeared in Quanta Magazine. One July afternoon in 2024, Ryan Williams set out to prove himself wrong. Two months had passed since he’d hit upon a startling ...
The original version of this story appeared in Quanta Magazine. In 1950 the Italian physicist Enrico Fermi was discussing the possibility of intelligent alien life with his colleagues. If alien ...
A private, state-linked Chinese space company, accused by U.S. officials of helping Yemen’s Houthi rebels by providing satellite imagery used to target U.S. and international vessels in the Red Sea, ...
"Space complexity: O(m+n) in the worst case when all elements in the arrays are different." But when all elements are different, the set will store 0 elements. The space should be O(min(m,n)) as in ...
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