Dielectric resonator antenna array system
A dielectric resonator antenna array system includes a first array of a plurality of dielectric resonator antennas arranged in a first orientation and that forms a first beam, and a second array of a plurality of dielectric resonator antennas arranged in a second orientation, that is different from the first orientation, and that forms a second beam. Further, a dielectric resonator antenna array system includes a first array of a first type of plurality of dielectric resonator antennas arranged in a predetermined orientation and that forms a first beam, and a second array of a second type of plurality of dielectric resonator antennas arranged in the predetermined orientation and that forms a second beam.
1. A dielectric resonator antenna array system, comprising:
a first array of a plurality of dielectric resonator antennas arranged in a first orientation and configured to form a first beam;
a second array of a plurality of dielectric resonator antennas arranged in a second orientation, different from the first orientation, and configured to form a second beam; and
circuitry configured to
receive detected beam shapes and corresponding excitation phases and amplitudes,
store an association between the detected beam shapes and the corresponding excitation phases and amplitudes in a look-up table, and
retrieve from the look-up table information associated with the excitation phases in response to determining that one or more beams overlaps.
2. The dielectric resonator antenna array system according to claim 1 , further comprising:
a first feed network configured to provide a first signal to the first array of the plurality of dielectric resonator antennas; and
a second feed network configured to provide a second signal to the second array of the plurality of dielectric resonator antennas.
3. The dielectric resonator antenna array system according to claim 2 , wherein the first feed network includes a first port and the second feed network includes a second port.
4. The dielectric resonator antenna array system according to claim 1 , wherein the first array of the plurality of dielectric resonator antennas and the second array of the plurality of dielectric resonator antennas include at least one of a hemispherical antenna, a cylindrical antenna, a circular cross-section antenna, or a rectangular antenna.
5. The dielectric resonator antenna array system according to claim 2 , wherein
the first feed network and the second teed network include a first plurality of branches and a second plurality of branches, respectively, connected to respective plurality of dielectric resonator antennas, and
the first plurality of branches and the second plurality of branches provide phase distribution between the respective plurality of dielectric resonator antennas.
6. The dielectric resonator antenna array system according to claim 5 , wherein a direction of at least one of the first beam or the second beam in space is changed based on a change in the phase distribution between the respective plurality of dielectric resonator antennas.
7. The dielectric resonator antenna array system according to claim 5 , wherein the first plurality of branches and the second plurality of branches provide amplitude distribution between the respective plurality of dielectric resonator antennas.
8. The dielectric resonator antenna array system according to claim 7 , wherein a direction of at least one of the first beam or the second beam in space is changed based on a change in the amplitude distribution between the respective plurality of dielectric resonator antennas.
9. The dielectric resonator antenna array system according to claim 1 , wherein the first orientation corresponds to a planar orientation and the second orientation corresponds to a linear orientation.
10. The dielectric resonator antenna array system according to claim 2 , wherein the first feed network includes a first plurality of branches that splits the first signal prior to being provided to the first array of the plurality of dielectric resonator antennas.
11. The dielectric resonator antenna array system according to claim 2 , wherein the second feed network includes a second plurality of branches that splits the second signal prior to being provided to the second array of the plurality of dielectric resonator antennas.
12. The dielectric resonator antenna array system according to claim 1 , wherein
the first array of the plurality of dielectric resonator antennas corresponds to a first type of dielectric resonator antennas, and
the second array of the plurality of dielectric resonator antennas corresponds to a. second type of dielectric resonator antennas.
13. The dielectric resonator antenna array system according to claim 1 , wherein the first array of the plurality of dielectric resonator antennas and the second array of the plurality of dielectric resonator antennas correspond to a same type of dielectric resonator antennas.
14. The dielectric resonator antenna array system according to claim 1 , wherein the circuitry is configured to:
determine whether to change at least one of a first direction or a first shape of the first beam;
determine whether to change at least one of a second direction or a second shape of the second beam;
retrieve data of new excitation phases corresponding to the first array of the plurality of dielectric resonator antennas when a determination is made to change at least one of the first direction or the first shape of the first beam; and
retrieve data of other new excitation phases corresponding to the second array of the plurality of dielectric resonator antennas when a determination is made to change at least one of the second direction or the second shape of the second beam.
15. The dielectric resonator antenna array system according to claim 14 , wherein the circuitry is configured to:
alter the current excitation phases corresponding to the first array of the plurality of dielectric resonator antennas and the second array of the plurality of dielectric resonator antennas with at least one of the new excitation phases or the other new excitation phases.
16. The dielectric resonator antenna array system according to claim 14 , wherein said circuitry is configured to determine whether to change at least one of the first direction or the first shape of the first beam, and to determine whether to change at least one of the second direction or the second shape of the second beam based on the detected current excitation phases corresponding to the first array of the plurality of dielectric resonator antennas and the second array of the plurality of dielectric resonator antennas.
17. The dielectric resonator antenna array system according to claim 14 , wherein said circuitry is configured to determine whether to change at least one of the first direction or the first shape of the first beam, and to determine whether to change at least one of the second direction or the second shape of the second beam based on a location of an object communicating with the dielectric resonator antenna system.