Patent Number: 6,169,519

Title: TCAS bearing measurement receiver apparatus with phase error compensation method

Abstract: A TCAS receiver, including a relative bearing measurement radio receiving apparatus for use with an antenna array having four antennas where each antenna has associated with it, its own receiver capable of demodulating both I and Q components of transmissions from an intruding aircraft.

Inventors: Holecek; Charles L. (Marion, IA), Kyriakos; Constantinos S. (Indian Harbour Beach, FL), Wahab; Sami R. (Melbourne, FL)

Assignee: Rockwell Collins, Inc.

International Classification: G01S 13/00 (20060101); G01S 13/93 (20060101); G01S 3/02 (20060101); G01S 7/285 (20060101); G01S 7/288 (20060101); G01S 005/04 ()

Expiration Date: 01/02/2018