METHOD AND SYSTEM FOR A DISTRIBUTED QUADRATURE TRANSCEIVER USING PHASE SHIFTING
First Claim
1. A method for processing communication signals, the method comprising:
- frequency-translating a first signal to generate a second signal utilizing a plurality of conversion stages, wherein;
in at least one of said plurality of conversion stages, summing a first frequency scaled signal and a phase-shifted version of a second frequency scaled signal, where said first frequency scaled signal is generated by multiplying a corresponding input signal with a local oscillator signal or a fractional local oscillator signal, and said second frequency scaled signal is generated by multiplying said corresponding input signal with a phase-shifted version of said local oscillator signal or a phase-shifted version of said fractional local oscillator signal; and
said first signal is said corresponding input signal to at least one of said plurality of conversion stages, and said second signal is generated from one or more output signals of said plurality of conversion stages.
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Abstract
Aspects of a method and system for distributed quadrature transceiver using phase shifting may include frequency-translating a first signal to generate a second signal utilizing a plurality of conversion stages. In at least one of the plurality of conversion stages, a first frequency scaled signal and a phase-shifted version of a second frequency scaled signal may be summed, where the first frequency scaled signal may be generated by multiplying a corresponding input signal with a local oscillator signal or a fractional local oscillator signal, and the second frequency scaled signal may be generated by multiplying said corresponding input signal with a phase-shifted version of the local oscillator signal or a phase-shifted version of the fractional local oscillator signal.
7 Citations
20 Claims
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1. A method for processing communication signals, the method comprising:
frequency-translating a first signal to generate a second signal utilizing a plurality of conversion stages, wherein; in at least one of said plurality of conversion stages, summing a first frequency scaled signal and a phase-shifted version of a second frequency scaled signal, where said first frequency scaled signal is generated by multiplying a corresponding input signal with a local oscillator signal or a fractional local oscillator signal, and said second frequency scaled signal is generated by multiplying said corresponding input signal with a phase-shifted version of said local oscillator signal or a phase-shifted version of said fractional local oscillator signal; and said first signal is said corresponding input signal to at least one of said plurality of conversion stages, and said second signal is generated from one or more output signals of said plurality of conversion stages. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 16, 17, 18, 19, 20)
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11. A system for processing communication signals, the system comprising:
one or more circuits, said one or more circuits is enabled to frequency-translate a first signal to generate a second signal utilizing a plurality of conversion stages, wherein said frequency-translating comprises; in at least one of said plurality of conversion stages, summing a first frequency scaled signal and a phase-shifted version of a second frequency scaled signal, where said first frequency scaled signal is generated by multiplying a corresponding input signal with a local oscillator signal or a fractional local oscillator signal, and said second frequency scaled signal is generated by multiplying said corresponding input signal with a phase-shifted version of said local oscillator signal or a phase-shifted version of said fractional local oscillator signal; and said first signal is said corresponding input signal to at least one of said plurality of conversion stages, and said second signal is generated from one or more output signals of said plurality of conversion stages. - View Dependent Claims (12, 13, 14, 15)
Specification