US 2026/0202499 A1 · PASSIVE RADAR RECEIVER SYSTEM

Abstract

One example includes a passive radar receiver system including an RF receiver front-end to receive a wireless source signal and a reflected signal. An antenna switch of the front-end switches a first antenna to a receiver chain during a first time to generate first radar signal data based on a combined wireless signal comprising wireless source signal and the reflected signal, and switches a second antenna to the receiver chain during a second time to generate second radar signal data based on the combined wireless signal. A signal processor generates source signal data associated with the wireless source signal based on the first and second radar signal data and generates reflected signal data associated with the reflected signal based on the first and second radar signal data, and generates target radar data associated with a target based on the source and reflected radar signal data.

Claims20

Dependent claims

A device comprising:

a first antenna;
a second antenna;
a switch coupled to the first antenna and to the second antenna;
a receiver chain coupled to the switch;
and
a processor coupled to the receiver chain and to the switch, the processor configured to:
receive first data from the first antenna via the receiver chain;
in response to detecting a portion of the first data, provide a switching signal to the switch;
after providing the switching signal to the switch, receive second data from the second antenna via the receiver chain;
and
produce an image based on the first and second data.
receiver system comprising the RF receiver front-end and the signal processor of claim 15.

9 more elements

Dependencies are inferred from the claim text.

Passive radar receiver system

Life of this patent

Passive radar receiver system

Life of this patent

Abstract

Claims20