Wireless antenna array system architecture and methods to achieve 3D beam coverage

Patent metadata

Field	Value
Publication number	US-9595767-B2
Application number	US-201514754305-A
Country	US
Kind code	B2
Filing date	Jun 29, 2015
Priority date	Mar 11, 2008
Publication date	Mar 14, 2017
Grant date	Mar 14, 2017

Abstract

Embodiments of wireless antenna array systems to achieve three-dimensional beam coverage are described herein. Other embodiments may be described and claimed.

First claim

What is claimed is:

1. A millimeter-wave (mm-wave) communications assembly, comprising:
a first mm-wave antenna on a substantially planar first substrate, wherein the first mm-wave antenna includes planar-phased array antenna elements;
a second mm-wave antenna on a substantially planar second substrate, wherein the second mmwave antenna includes a sectorized endfire antenna array; and
an integrated RF circuit that is coupled to the first and second mm-wave antennas to control a phase array coverage and a sectorized array coverage of the planar-phased array antenna elements and the sectorized endfire antenna array, respectively, and wherein the integrated RF circuit comprises a transceiver configured to process mmwave signals.

2. The mm-wave communications assembly defined in claim 1 , wherein the first mm-wave antenna comprises a broadside mm-wave antenna and wherein the second mm-wave antenna comprises an endfire mm-wave antenna.

3. The mm-wave communications assembly defined in claim 1 , wherein the first and second substrates lie in respective first and second planes, wherein the first plane is substantially parallel to the second plane; wherein the first mm-wave antenna is configured to provide antenna coverage in directions substantially normal to the first plane, and wherein the second mm-wave antenna is configured to provide antenna coverage in directions substantially parallel to the second plane.

4. The mm-wave communications assembly defined in claim 1 , wherein each of the planar-phased array antenna elements comprises a planar patch antenna.

5. The mm-wave communications assembly defined in claim 1 , wherein the second mm-wave antenna comprises a Yagi antenna.

6. The mm-wave communications assembly defined in claim 1 , wherein each of the sectorized endfire antenna array comprises a slot antenna.

7. The mm-wave communications assembly defined in claim 1 , wherein the second mm-wave antenna comprises a Vivaldi antenna.

8. The mm-wave communications assembly defined in claim 1 , wherein each of the sectorized endfire antenna array comprises a dipole antenna.

9. The mm-wave communications assembly defined in claim 1 , wherein the substantially planar first and second substrates comprise Low Temperature Co-fired Ceramic antenna grade core material.

10. An apparatus for about 57-66 GHz band wireless communication, comprising:
a planar antenna on a substantially planar first substrate, the planar antenna includes planar-phased array antenna element;
an endfire antenna on a substantially planar second substrate, the endfire antenna includes a sectorized endfire antenna array;
an integrated radio-frequency (RF) circuit that is flip-chip mounted to the substantially planar second substrate, the integrated RF circuit is configured to control a phase array coverage and a sectorized array coverage of the planar-phased array antenna elements and the sectorized endfire antenna array, respectively; and
an interconnect that couples the planar antenna to the integrated RF circuit to carry a millimeter wave (mm-wave) signal between the planar antenna and the integrated RF circuit.

11. The apparatus defined in claim 10 , wherein each of the planar-phased array antenna elements comprises a planar patch antenna.

12. The apparatus defined in claim 10 , wherein the planar antenna is selected from the group consisting of: a patch antenna, slot antenna, spiral antenna, monopole antenna, and a dipole antenna.

13. The apparatus defined in claim 10 , wherein the endfire antenna comprises an antenna selected from the group consisting of: a Yagi antenna, a slot antenna, a Vivaldi antenna, and a dipole antenna.

14. The apparatus defined in claim 10 , wherein the endfire antenna is selected from the group consisting of: a quasi-Yagi-Uda antenna, slot antenna, Vivaldi antenna, dipole antenna, and low-profile-horn antenna.

15. A wireless communications assembly, comprising:
a plurality of planar antennas configured to operate in a communications band at about 57-66 GHz, the plurality of planar antennas comprises planar-phased array antenna elements;
a plurality of endfire antennas configured to operate in the communications band at about 57-66 GHz, the plurality of endfire antennas comprise a sectorized endfire antenna array; and
an integrated RF circuit connected to the plurality of planar antennas through a number of vias and to the plurality of endfire antenna through a number of feed lines, wherein the integrated RF circuit is configured to control a phase array coverage and a sectorized array coverage of the planar-phased array antenna elements and the sectorized endfire antenna array, respectively.

16. The wireless communications assembly defined in claim 15 wherein the plurality of planar antennas are together configured to at least receive or transmit signals at about 57-66 GHz in directions substantially normal to a common plane.

17. The wireless communications assembly defined in claim 16 wherein the plurality of endfire antennas are together configured to at least receive or transmit signals at about 57-66 GHz in directions substantially parallel to the common plane.

18. The wireless communications assembly defined in claim 17 wherein each of the plurality of endfire antennas is configured to at least receive or transmit signals at about 57-66 GHz in a unique direction that is substantially parallel to the common plane to provide antenna coverage for the wireless communications assembly in at least an approximate semi-circle that extends out from the wireless communications assembly.

19. The wireless communications assembly defined in claim 17 wherein each of the plurality of endfire antennas is configured to at least receive or transmit signals at about 57-66 GHz in a unique direction that is substantially parallel to the common plane to provide antenna coverage for the wireless communications assembly in substantially all directions that are coplanar with the common plane.

20. A wireless communications assembly, comprising:
a plurality of planar antennas configured to operate in a communications band at approximately 60 GHz, the plurality of planar antennas comprises planar-phased array antenna elements;
a plurality of endfire antennas configured to operate in the communications band at approximately 60 GHz, the plurality of endfire antennas comprise a sectorized endfire antenna array; and
an integrated RF circuit connected to the plurality of planar antennas, wherein the integrated RF circuit is configured to control a phase array coverage and a sectorized array coverage of the planar-phased array antenna elements and the sectorized endfire antenna array, respectively.

21. The wireless communications assembly defined in claim 20 , wherein each of the plurality of planar antennas comprises a planar patch antenna.

22. The wireless communications assembly defined in claim 20 , wherein each of the plurality of planar antennas is selected from the group consisting of: a patch antenna, slot antenna, spiral antenna, monopole antenna, and a dipole antenna.

23. The wireless communications assembly defined in claim 20 , wherein each of the plurality of endfire antennas comprises an antenna selected from the group consisting of: a Yagi antenna, a slot antenna, a Vivaldi antenna, and a dipole antenna.

24. The wireless communications assembly defined in claim 20 , wherein each of the plurality of endfire antennas is selected from the group consisting

Assignees

• Intel Corp

Inventors

• Choudhury Debabani
• Roberts Richard D
• Karacaoglu Ulun

Classifications

• H01Q21/065

  Patch antenna array · CPC title

• H01Q25/00

  Antennas or antenna systems providing at least two radiating patterns (arrangements for changing or varying the orientation or the shape of the directional pattern H01Q3/00) · CPC title

• H04B7/0682

  using phase diversity (e.g. phase sweeping) · CPC title

• H01Q1/2291

  used in Bluetooth® or Wi-Fi® devices of Wireless Local Area Networks [WLAN] (H01Q1/241 takes precedence; WLAN in general H04W) · CPC title

• H01Q9/0407

  Substantially flat resonant element parallel to ground plane, e.g. patch antenna (dipole H01Q9/285; monopole H01Q9/40) · CPC title