US Patent Issued to Xiamen Zifisense InfoTech on Oct. 28 for "Method for modulation using index of low-power frequency points, transmitter, and receiver thereof" (Chinese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,457,136, issued on Oct. 28, was assigned to Xiamen Zifisense InfoTech Co. Ltd. (Xiamen, China).

"Method for modulation using index of low-power frequency points, transmitter, and receiver thereof" was invented by Delai Zheng (Fujian, China) and Zhuoqun Li (Fujian, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for modulation using an index of frequency points, a transmitter, and a receiver. The method comprises obtaining M frequency points [f0.. fk.. fM-1] for orthogonal modulation in a frequency domain, wherein M is a power of 2, and the M frequency points are continuous or discontinuous; transmitting information bits based on a number o...