Perkins Coie LLP
Dual polarization vector signal generation and detection
A scheme for generating, transmitting and receiving dual-polarization asymmetric single sideband photonic vector signal at millimeter wave spectral region is described. At a transmitter, information bits to be transmitted are modulated using a vector modulation technique to generate a baseband signal. The baseband signal is converted into its single sideband (SSB) version using a complex frequency source having a first frequency. Two IQ signals are generated using an integrated dual polarization IQ modulator. The I/Q modulator is driven by a laser source at frequency fc. The resulting signal is transmitter over an optical transmission medium and/or a multi-input, multi-output over the air antenna configuration, upconverted by a single-ended photodiode to a desired radio-frequency (RF) carrier frequency.
ZTE Corporation
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Xinying Jianjun
Li Yu