METHOD FOR LOCATING AND POSITIONING USING BROADCAST FM SIGNALS AND PHASE DIFFERENCE COMPUTATION TECHNIQUE

摘要

Improved systems for locating and positioning using broadcast frequency modulation signals is provided for previous U.S. Pat. No. 7,990,314. In addition, three or more LPFM local broadcasting stations are used for determination for indoor and/or outdoor 2-D or 3-D locating and positioning system.