US 12,248,079 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 Apr. 27, 2023, as Appl. No. 18/140,283.
Application 18/140,283 is a continuation of application No. 17/325,029, filed on May 19, 2021, granted, now 11,668,781.
Prior Publication US 2023/0258758 A1, Aug. 17, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G01S 5/04 (2006.01); G01S 3/46 (2006.01); G01S 3/72 (2006.01); G01S 3/48 (2006.01); G01S 3/50 (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)] 20 Claims
OG exemplary drawing
 
1. A wireless device comprising:
a first switch comprising a first terminal coupled to a first antenna terminal that is configured to be coupled to a first antenna, a second terminal coupled to a second antenna terminal that is configured to be coupled to a second antenna, and a third terminal;
a second switch comprising a first terminal coupled to the third terminal of the first switch, a second terminal, and a third terminal;
a transmitter chain coupled to the second terminal of the second switch;
a receiver chain coupled to the third terminal of the second switch, wherein the receiver chain is configured to receive a first portion of a wireless transmission via the first antenna, and a second portion of the wireless transmission via the second antenna; and
a processor configured to:
determine an angle of arrival of the wireless transmission based on the first and second portions, and
output the angle of arrival.