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US 2013/0294491 A1Published application
Antenna diversity control for beamforming in an antenna array
AssigneeRenda Trust
InventorsJames June-Ming Wang, Menno Marringa
Life of this patent
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Abstract
Techniques for controlling diversity beamforming antenna array is disclosed. One aspect of the techniques is to utilize low-power and low area circuits to achieve combining gains, mitigate the effects of multipath fading, provide spatial suppression and diversity gains to a single input receiver. The device is radiofrequency transparent yet provides antenna gain by selective three G and four G code acquisition and tracking of a desired downlink channel.
Claims2
A method for controlling an array of antennas, the method comprising:
- receiving signals from a plurality of antenna elements in an adaptive array antenna;
- determining a digital amplitude and a phase for each of the signals;
- spreading signals out by multiplying parameters in accordance with a tracking circuit output,
- determining a scale factor and a pair of values for each of the antenna elements;
- determining a reference signal;
- determining a phase angle correction between the reference signal and each of the signals,
- modulating each of signals by a set of normalized weights, and
- combining the modulated signals from all antenna elements as an input to a single input receiver.
5 more elements
Dependencies are inferred from the claim text.