TECHNIQUES FOR OPERATING PHASED ARRAY ANTENNAS IN MILLIMETERWAVE RADIO MODULES

1 . A method for operating a plurality of radiating elements, comprising:

measuring a phase and a gain of each of the plurality of radiating elements;

determining a feed gain and a feed phase for each of the plurality of radiating elements based on the measured phase and the measured gain of a respective radiating element; and

setting independently each of the plurality of radiating elements based on the determined feed gain and the feed phase.

2 . The method of claim 1 , wherein each of the plurality of radiating elements is different.

3 . The method of claim 1 , wherein the gain and the phase of each of the plurality of radiating elements are measured as a function of a specific direction and rotation.

4 . The method of claim 1 , wherein each feed gain is proportional to the measured gain and each feed phase has opposite polarity to the measured phase of each respective radiating element.

5 . The method of claim 1 , wherein the determination comprises:

setting the feed gain (Ai) to Ai=∝Gi and the feed phase (θi) to θi=−φi+β, wherein ∝ and β are configurable parameters and Gi and φi are the measured gain and the measured phase of the respective radiating element, respectively.

6 . The method of claim 5 , further comprising:

randomly selecting values of the configurable parameters.

7 . The method of claim 5 , further comprising:

selecting values for the configurable parameters based on a quantization error associated with either transmission of radio signals or reception of radio signals.

8 . The method of claim 1 , wherein each of the radiating elements comprises first and second feeds and wherein the determination comprises:

setting a phase difference between the first and second feeds to 180 degrees.

9 . The method of claim 1 , wherein each of the radiating elements transmits and receives signals in a 60 GHz or higher frequency band.

10 . The method of claim 1 , further comprising:

arranging the plurality of radiating elements in at least one of: a front antenna sub-array, a back antenna sub-array, or one or more middle antenna sub-arrays.

11 . An apparatus for communication, comprising:

a plurality of radiating elements; and

a processing system configured to:

measure a phase and a gain of each of the plurality of radiating elements;

determine a feed gain and a feed phase for each of the plurality of radiating elements based on the measured phase and gain of a respective radiating element; and

independently set the feed gain and the feed phase of each of the plurality of radiating elements based on the determined feed gain and the feed phase.

12 . The apparatus of claim 11 , wherein each of the plurality of radiating elements is different.

13 . The apparatus of claim 11 , wherein the gain and the phase of each of the plurality of radiating elements are measured as a function of a specific direction and rotation.

14 . The apparatus of claim 11 , wherein each feed gain is proportional to the measured gain and each feed phase has opposite polarity to the measured phase of each respective radiating element.

15 . The apparatus of claim 11 , wherein processing system is further configured to set the feed gain (Ai) to Ai=∝*Gi; and the feed phase (θi) to θ=−φi+β, wherein ∝ and β are configurable parameters, and Gi and φi are the measured gain and the measured phase of the respective radiating element, respectively.

16 . The apparatus of claim 15 , wherein the processing system is further configured to randomly select values of the configurable parameters.

17 . The apparatus of claim 15 , wherein the processing system is further configured to select values for the configurable parameters based on a quantization error associated with either transmission or reception of radio signals.

18 . The apparatus of claim 11 , wherein each of the radiating elements comprises first and second feeds and wherein the processing system is further configured to set a phase difference between the first and second feeds to 180 degrees.

19 . The apparatus of claim 11 , wherein each of the radiating elements transmits and receives signals in a 60 GHz or higher frequency band.

20 . The apparatus of claim 11 , wherein the plurality of radiating elements are arranged in at least one of: a front antenna sub-array, a back antenna sub-array, or one or more middle antenna sub-arrays.

21 . A computer program product comprising a computer-readable medium having instructions executable by an apparatus to:

measure a phase and a gain of each of the plurality of radiating elements;

determine a feed gain and a feed phase for each of the plurality of radiating elements based on the measured phase and the measured gain of a respective radiating element; and

independently set each of the plurality of radiating elements based on the determined feed gain and the feed phase.

22 . An apparatus for operating a plurality of radiating elements comprising:

means for measuring a phase and a gain of each of the plurality of radiating elements;

means for determining a feed gain and a feed phase for each of the plurality of radiating elements based on the measured phase and the measured gain of a respective radiating element; and

means for independently setting each of the plurality of radiating elements based on the determined feed gain and the feed phase.

23 . An access terminal comprising:

a plurality of radiating elements;

a processing system configured to:

measure a phase and a gain of each of the plurality of radiating elements;

determine a feed gain and a feed phase for each of the plurality of radiating elements based on the measured phase and the measured gain of a respective radiating element; and

independently set each of the plurality of radiating elements based on the determined feed gain and the feed phase; and

a transmitter configured to transmit signals via the set radiating elements.