Precision array processing using semi-coherent transceivers
First Claim
Patent Images
1. An adaptive array radio system, comprising:
- a plurality of semi-coherent RF transceivers, each RF transceiver having an antenna, one or more local oscillators, one or more converters and a clock buffer;
an adaptive antenna array formed by the plurality of antennas of the plurality of RF transceivers;
the clock buffer in each semi-coherent RF transceiver being clocked using a clock signal distributed to each semi-coherent RF transceiver; and
each of the plurality of RF transceivers performing precision adaptive array processing using the one or more local oscillators and the one or more converters of each RF transceiver that are clocked based on a clock derived from an incoming signal and each local oscillator is locked to the clock derived from the incoming signal for the RF transceiver.
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Abstract
A system and method for precision array processing using semi-coherent transceivers are disclosed.
77 Citations
3 Claims
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1. An adaptive array radio system, comprising:
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a plurality of semi-coherent RF transceivers, each RF transceiver having an antenna, one or more local oscillators, one or more converters and a clock buffer; an adaptive antenna array formed by the plurality of antennas of the plurality of RF transceivers; the clock buffer in each semi-coherent RF transceiver being clocked using a clock signal distributed to each semi-coherent RF transceiver; and each of the plurality of RF transceivers performing precision adaptive array processing using the one or more local oscillators and the one or more converters of each RF transceiver that are clocked based on a clock derived from an incoming signal and each local oscillator is locked to the clock derived from the incoming signal for the RF transceiver. - View Dependent Claims (2)
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3. A method for multiplexing subarrays of antenna/transceivers into a single data stream, the method comprising:
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providing a plurality of semi-coherent RF transceivers, each RF transceiver having an antenna, one or more local oscillators, one or more converters and a clock buffer; receiving an incoming signal at each semi-coherent RF transceiver; deriving a clock in each semi-coherent RF transceiver for the one or more local oscillators and one or more converters in each semi-coherent RF transceiver from the incoming signal; clocking the clock buffer in each semi-coherent RF transceiver with a clock that is distributed to each semi-coherent RF transceiver; and locking each local oscillator in each RF transceiver to the clock derived from the incoming signal received at each RF transceiver.
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Specification