US Patent Issued to SOOCHOW UNIVERSITY on April 15 for "RFID tag quantity estimation system, RFID tag quantity estimation method" (Chinese Inventors)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,277,472, issued on April 15, was assigned to SOOCHOW UNIVERSITY (Suzhou, China).

"RFID tag quantity estimation system, RFID tag quantity estimation method" was invented by Zhe Li (Suzhou, China) and Wei Deng (Suzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application discloses a tag quantity estimation system and method of RFID. A processor-readable medium was disclosed at the same time. This estimation method applies a spatial diversity gain existing in a multi-antenna system. Separated and sequentially stacked the real parts and the imaginary parts of the multiple signals received by multiple antennas. Then, a tag quantity estimation...