Antenna polarization optimization for wireless communications

Patent metadata

Field	Value
Publication number	US-9264124-B2
Application number	US-201313871047-A
Country	US
Kind code	B2
Filing date	Apr 26, 2013
Priority date	Apr 26, 2013
Publication date	Feb 16, 2016
Grant date	Feb 16, 2016

Abstract

Embodiments are directed to providing communication between a first device and a second device by: iterating, by the first device, over a number of transmitter antenna polarization types in the first device, constructing, by the first device, a number of data units based on each of the transmitter antenna polarization types, transmitting, by the first device, each of the data units for each of a number of receiver antenna polarization types in the second device, receiving, by the first device, an indication of a transmitter antenna polarization type in the first device included in the number of transmitter antenna polarization types in the first device, and transmitting, by the first device, data using the indicated transmitter antenna polarization type.

First claim

What is claimed is:

1. A method for providing communication between a first device and a second device, the method being performed during a pre-networking stage before the second device establishes an association with the first device, the method comprising:
iterating, by the first device, over a first number of transmitter antenna polarization types in the first device;
iterating, by the first device, for a given transmitter antenna polarization type, over a second number of transmitter antenna directional patterns in the first device among a plurality of different transmitter antenna directional patterns;
periodically broadcasting the transmitter antenna polarization types in the first device;
constructing, by the first device, a number of data units based on each of the transmitter antenna polarization types in the first device;
transmitting, by the first device, each of the data units for each of a number of receiver antenna polarization types in the second device;
receiving, by the first device, an indication of a transmitter antenna polarization type in the first device included in the number of transmitter antenna polarization types in the first device;
receiving, by the first device, along with the indication of a transmitter antenna polarization type in the first device, an indication of a transmitter antenna directional pattern in the first device included in the number of transmitter antenna directional patterns in the first device; and
transmitting, by the first device, data using the indicated transmitter antenna polarization,
wherein the constructed number of data units is based upon a multiplication of the first number and the second number.

2. The method of claim 1 , further comprising:
iterating, by the first device, over a number of transmitter antenna polarization types in the second device;
iterating, by the first device, over a number of receiver antenna polarization types in the first device;
receiving, by the first device, a number of data units based on each of the transmitter antenna polarization types in the second device using each of the receiver antenna polarization types in the first device; and
selecting, by the first device, a transmitter antenna polarization type for the second device included in the transmitter antenna polarization types in the second device and a receiver antenna polarization type for the first device included in the receiver antenna polarization types in the first device.

3. The method of claim 2 , wherein the transmitted data comprises an indication of the selected transmitter antenna polarization type for the second device.

4. The method of claim 2 , further comprising receiving, by the first device, second data using the selected receiver antenna polarization type for the first device.

5. The method of claim 1 , wherein the number of receiver antenna polarization types in the second device is determined based on information obtained following the broadcasting.

6. The method of claim 1 , further comprising:
receiving, by the first device, a second indication of a second transmitter antenna polarization type in the first device included in the number of transmitter antenna polarization types in the first device; and
transmitting, by the first device, second data using the indicated second transmitter antenna polarization type.

7. The method of claim 1 , wherein the communication between the first device and the second device is based on millimeter electromagnetic (EM) waves and a carrier frequency associated with the millimeter waveband.

8. A device comprising:
at least one processor; and
a memory having instructions stored thereon that, when executed by the at least one processor, cause the device, during a pre-networking stage, to:
iterate over a first number of transmitter antenna polarization types in the device;
iterate, for a given transmitter antenna polarization type, over a second number of transmitter antenna directional patterns in the device among a plurality of different transmitter antenna directional patterns;
periodically broadcast the transmitter antenna polarization types in the device in intervals during a stage before the first device establishes a connection with a serving communication network;
construct a number of data units based on each of the transmitter antenna polarization types;
transmit each of the data units for each of a number of receiver antenna polarization types in a second device, wherein the pre-networking stage is before the second device establishes an association with the device;
receive, from the second device, an indication of a transmitter antenna polarization type in the device included in the number of transmitter antenna polarization types in the device;
receive, from the second device, along with the indication of a transmitter antenna polarization type in the device, an indication of a transmitter antenna directional pattern in the device included in the number of transmitter antenna directional patterns in the device; and
transmit data using the indicated transmitter antenna polarization type,
wherein the constructed number of data units is based upon a multiplication of the first number and the second number.

9. The device of claim 8 , wherein the instructions, when executed by the at least one processor, cause the device to:
iterate over a number of transmitter antenna polarization types in the second device;
iterate over a number of receiver antenna polarization types in the device;
receive a number of data units based on each of the transmitter antenna polarization types in the second device using each of the receiver antenna polarization types in the device; and
select a transmitter antenna polarization type for the second device included in the transmitter antenna polarization types in the second device and a receiver antenna polarization type in the device included in the receiver antenna polarization types in the device.

10. The device of claim 9 , wherein the transmitted data comprises an indication of the selected transmitter antenna polarization type for the second device.

11. The device of claim 8 , wherein the number of receiver antenna polarization types in the second device is determined based on information obtained following the broadcasting, wherein each broadcast interval comprises at least one of the transmitter antenna polarization types.

12. The device of claim 8 , wherein the instructions, when executed by the at least one processor, cause the device to:
receive a second indication of a second transmitter antenna polarization type in the device included in the number of transmitter antenna polarization types in the device; and
transmit second data using the indicated second transmitter antenna polarization type.

13. The device of claim 8 , wherein a communication between the device and the second device is based on millimeter electromagnetic (EM) waves and a carrier frequency associated with the millimeter wave band.

14. A system comprising:
a first device configured to periodically broadcast transmitter antenna polarization types in the first device during a pre-networking stage before a second device establishes an association with the first device and to transmit to a second device a plurality of data units based on a first number of transmitter antenna polarization types in the first device and a second number of receiver antenna polarization types in the second device; and
the second device configured to, during the pre-networking stage:
receive the plurality of data units,
select a transmitter antenna polarization type for the first device and a receiver antenna

Assignees

• Wu Huan
• Xin Yan
• Qu Shouxing
• Sheynman Arnold
• Blackberry Ltd

Inventors

• Wu Huan
• Xin Yan
• Qu Shouxing
• Sheynman Arnold

Classifications

• H04B7/0665

  Feed forward of transmit weights to the receiver · CPC title

• H04B7/10 Primary

  Polarisation diversity; Directional diversity · CPC title

• H04B7/061

  using feedback from receiving side · CPC title