ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,386,015, issued on Aug. 12.
"Resilient distributed positioning networks" was invented by Brian G. Agee (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Co-channel beacon transmissions are provided with at least one of spectral redundancy and temporal redundancy. A receiver produces a snapshot of a superposition of received co-channel beacon transmissions. Subcarrier demodulation, code nulling, or a Class-C linear minimum-mean-square error (MMSE) operation separates multiples ones of the co-channel beacon transmissions or eliminates inter-symbol interference and inter-subcarrier interference in the snapshot. Receiver operations can be per...