Quadrature transmitter, wireless communication unit, and method for spur suppression

Y Chen, BM Tenbroek, CW Tseng, I Tseng… - US Patent …, 2019 - Google Patents
A quadrature transmitter includes a first and second matched transmitter path. Each
transmitter path receives respective sets of quadrature baseband signals. At least one local …

Simultaneous transmit and receive with digital phased arrays

JP Doane, KE Kolodziej, BT Perry - US Patent 10,419,062, 2019 - Google Patents
A method and apparatus for achieving simultaneous transmit and receive operation with a
digital phased array is described. Digital beamforming and cancellation enables adjacent …

Local oscillator (LO) for wireless communication

H Lakdawala, JW Park, T Chang - US Patent 11,038,493, 2021 - Google Patents
Certain aspects of the present disclosure provide a local oscillator (LO) for wireless
communication. In some examples, the LO is configured to generate an LO signal by …