6G通信信号精准定位
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新方法给通信信号装上“瞬时GPS”
Ke Ji Ri Bao· 2025-11-12 01:08
Core Insights - A new signal control method developed by researchers from Rice University in collaboration with Los Alamos and Sandia National Laboratories can determine the direction of signals with an accuracy of 0.1 degrees, improving precision by approximately 10 times compared to existing technologies [1] - This advancement is likened to equipping 6G communication signals with "instant GPS," addressing the challenge of quickly aligning high-frequency signals, which is crucial for ultra-high-speed data communication [1] Summary by Sections Technology Development - The new method allows for almost instantaneous connections between transmitters and receivers, enabling high-precision angle estimation of signals in a very short time [1] - The technology is expected to facilitate low-latency wireless links, allowing devices to automatically identify and align with each other in milliseconds or even picoseconds [1] Application Potential - High-frequency bands are anticipated to be key for future 6G networks, supporting applications such as wireless virtual reality headsets and real-time perception systems that require high data rates [1] - The ability to quickly and accurately lock onto signals will enhance the reliability and intelligence of 6G networks, paving the way for smart cities and applications like wireless VR, holographic communication, and remote precision surgery [3] Methodology - The research team utilized a super-thin electronic surface that scatters signals into unique patterns based on the direction and frequency of the waves, creating distinct "electromagnetic fingerprints" for each direction [2] - Receivers can determine the signal source within a few picoseconds by comparing received patterns with a pre-established signal library [2]