WIRELESS AREA NETWORK COMPLIANT SYSTEM AND METHOD USING A PHASE ARRAY ANTENNA

• US 20080272962A1
• Filed: 04/30/2008
• Published: 11/06/2008
• Est. Priority Date: 05/02/2007
• Status: Active Grant

• Current Assignee: Beam Semiconductor Ltd.
• Original Assignee: Beam Networks Ltd.
• Inventors: WEINSTEIN, Hillel, MILANO, Alberto
• Granted Patent: US 7,852,265 B2
• Time in Patent Office: Days
• US Class Current: 342/374
• CPC Class Codes: H01Q 1/007 specially adapted for indoor communication
• CPC Class Codes: H01Q 21/065 Patch antenna array
• CPC Class Codes: H01Q 3/26 varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture H01Q3/12, H01Q3/22, H01Q3/24 take precedence

Abstract

A wireless area network communication system comprising at least one phased array antenna frame, a phased array antenna circuit connected to the at least one phased array antenna frame wherein said phased array circuit and said at least one phased array antenna frame are adapted to transmit and receive wireless area network compliant signals from or to wireless area network devices.

Claims

1. A wireless area network communication system comprising:

at least one phased array antenna frame,

a phased array antenna circuit connected to the at least one phased array antenna frame wherein said phased array circuit and said at least one phased array antenna frame are adapted to transmit and receive wireless area network compliant signals from or to wireless area network devices.

2. The system according to claim 1 wherein the at least one phased array antenna frame transmits or receives radiation.

3. The system according to claim 1 wherein the phased array antenna circuit is for driving and controlling said at least one phased array antenna frame.

4. The system according to claim 1 wherein the wireless area network is a wireless personal area network

5. The system according to claim 1, wherein said at least one phased array antenna frame comprises at least two groups of radiators.

6. The system according to claim 5 wherein one of said at least two groups of radiators is defined as a reference group.

7. The system of claim 6 wherein one of said at least two groups of radiators is controlled by said phased array circuit to transmit or receive with a phase shift relative to said reference group.

8. The system of claim 6 wherein the phase shift is programmable or hard coded.

9. The system according to claim 1, wherein said at least one phased array antenna frame comprises at least two substantially linear one dimensional arrays of radiators.

10. The system according to claim 1, wherein said at least one phased array antenna frame comprises an even number of substantially linear one-dimensional arrays of radiators, wherein each substantially linear one-dimensional array of radiators consists of two power of N radiators, where N is an integer greater than 1.

11. The system according to claim 1, wherein said at least one phased array antenna frame includes radiators that are substantially hexagonal in shape.

12. The system according to claim 5, wherein the system is selectively switching between different radiation modes associated with each group of radiators.

13. The system according to claim 12, wherein a radiation mode is defined according to the number of groups of radiators that transmit and receive in different phase shift and according to said programmable phase shift.

14. The system according to claim 1, wherein said phased array circuit controls said phased array antenna frame to radiate in a horizontal beam aperture.

15. The system according to claim 14, wherein the horizontal beam aperture width is substantially from 3 to substantially 15 degrees.

16. The system according to claim 1, wherein the system is adapted to communicate with multiple wireless area network devices.

17. The system according to claim 1, wherein the system is adapted to communicate with Personal Computers.

18. The system according to claim 1, wherein the system is adapted to communicate with at least one TV device.

19. The system according to claim 8, wherein said programmable phase shift is +/−

180 degrees.

20. The system according to claim 8, wherein said programmable phase shift is +/−

180 degrees and wherein said programmable phase shift is created by using transmission lines for inversing the signal phase.

21. The system according to claim 1, wherein wireless area network compliant signals are transmitted in the about 57 to about 64 GHz band.

22. The system according to claim 12, wherein the system is selectively switching between two radiation modes.

23. The system according to claim 12, wherein the system is selectively switching between two radiation modes and wherein said at least one phased array antenna frame comprises two linear one-dimensional arrays of radiators

24. The system according to claim 12, wherein said selectively switching between different radiation modes depends on the level of signals that are received in said different phase modes.

25. The system according to claim 14, wherein said horizontal beam aperture is steered horizontally according to a programmable pattern.