6G 技术关键突破：无线信号定位精度提升 10 倍，电磁波“指纹”实现万亿分之一秒级精准连接

Core Insights - A research team from Rice University has developed a new method that significantly enhances the speed and accuracy of future wireless communication systems, particularly for 6G networks [1][3][9] - The method involves the use of specially designed metasurfaces that can generate unique electromagnetic wave "fingerprints" in trillionths of a second, achieving an unprecedented angle localization accuracy of 0.1 degrees, which is ten times better than existing technologies [1][5][9] Group 1: Technological Advancements - The new method allows for almost instantaneous high-precision alignment, enabling wireless connections to be established with minimal latency [3][7] - The research utilizes a unique approach that controls signal characteristics in both time and frequency dimensions, enhancing the robustness of signal detection even in noisy environments [7][9] Group 2: Implications for Wireless Communication - As wireless communication transitions to the terahertz frequency range, high-precision positioning becomes crucial for maintaining connectivity [9] - The study demonstrates how designed randomness in signal transmission can lead to faster, smarter, and more reliable wireless networks, addressing the growing data demands of future applications [9][10] Group 3: Research Support and Collaboration - The research received support from major companies like Cisco and Intel, as well as funding from the National Science Foundation and the Department of Energy [9]