US 11,668,781 B2
Angle of arrival estimation using a single receive chain
Matan Ben-Shachar, Kibbutz Givat Haim Ihud (IL); Oren Shani, Kfar-Saba (IL); Yaron Alpert, Hod Hasharon (IL); and Yuval Jakira, Pardes Hanna-Karkur (IL)
Assigned to TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US)
Filed by Texas Instruments Incorporated, Dallas, TX (US)
Filed on May 19, 2021, as Appl. No. 17/325,029.
Prior Publication US 2022/0381868 A1, Dec. 1, 2022
Int. Cl. G01S 5/04 (2006.01); G01S 3/46 (2006.01); G01S 3/72 (2006.01); G01S 3/50 (2006.01); G01S 3/48 (2006.01)
CPC G01S 3/46 (2013.01) [G01S 3/72 (2013.01); G01S 3/465 (2013.01); G01S 3/48 (2013.01); G01S 3/50 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A circuit, comprising:
a memory storing instructions;
a receive chain; and
a processor coupled to the memory and to the receive chain, the processor configured to execute the instructions to:
receive, via the receive chain using a first antenna, a first portion of a preamble of a wireless transmission;
receive, via the receive chain using a second antenna, a second portion of the preamble of the wireless transmission; and
determine an angle of arrival of the wireless transmission based on the first portion and the second portion of the preamble of the wireless transmission.