Phased Array Antenna with Reduced Component Count
First Claim
Patent Images
1. An apparatus comprising:
- a dual polarized radiating antenna having first and second polarization ports;
first and second hybrid couplers each having first, second, third and fourth ports; and
first and second time delay control circuits each having first and second ports, wherein;
the first and second ports of the first hybrid coupler are respectively connected to the first and second polarization ports of the radiating antenna,the first and second ports of the first time delay control circuit are respectively connected to the third port of the first hybrid coupler and third port of the second hybrid coupler,the first and second ports of the second time delay control circuit are respectively connected to the fourth port of the first hybrid coupler and fourth port of the second hybrid coupler, andthe first and second ports of the second hybrid coupler are respectively configured to receive a transmit and output a receive signal.
4 Assignments
0 Petitions
Accused Products
Abstract
A phased-array antenna with electronic beam steering that provide simultaneous operation at transmit and receive frequencies and polarization control is disclosed. The antenna architecture reduces the number of beam steering and polarization control devices used compared to conventional array designs. The extremely compact, low-loss, and largely passive design reduces the number of active amplifiers needed using micro-electromechanical systems MEMs and advanced micro-coaxial circuits.
30 Citations
19 Claims
-
1. An apparatus comprising:
-
a dual polarized radiating antenna having first and second polarization ports; first and second hybrid couplers each having first, second, third and fourth ports; and first and second time delay control circuits each having first and second ports, wherein; the first and second ports of the first hybrid coupler are respectively connected to the first and second polarization ports of the radiating antenna, the first and second ports of the first time delay control circuit are respectively connected to the third port of the first hybrid coupler and third port of the second hybrid coupler, the first and second ports of the second time delay control circuit are respectively connected to the fourth port of the first hybrid coupler and fourth port of the second hybrid coupler, and the first and second ports of the second hybrid coupler are respectively configured to receive a transmit and output a receive signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
-
-
16. A method performed with an electronically steerable antenna array having two or more identical antenna transceivers, each transceiver comprising:
-
a dual polarized radiating antenna having first and second polarization ports; first and second hybrid couplers each having first, second, third and fourth ports; and first and second time delay control circuits each having first and second ports, wherein; the first and second ports of the first hybrid coupler are respectively connected to the first and second polarization ports of the radiating antenna, the first and second ports of the first time delay control circuit are respectively connected to the third port of the first hybrid coupler and third port of the second hybrid coupler, the first and second ports of the second time delay control circuit are respectively connected to the fourth port of the first hybrid coupler and fourth port of the second hybrid coupler, and the first and second ports of the second hybrid coupler are respectively configured to receive a transmit signal and output a receive signal; the method comprising; selecting a polarization state; determining a delta time between a first time delay of the first time delay control circuit and a second time delay of the second time delay control circuit in each transceiver to receive the receive signal on each antenna with the selected polarization state; and program the first and second time delay control circuits of each transceiver such that the first and second time delays of each transceiver maintain the delta time. - View Dependent Claims (17, 18, 19)
-
Specification