All-digital transmitter with wideband beamformer

A multi-core beamforming circuit comprising:

• input ports configured to acquire upconverted digital signals having different phases, wherein a number of the input ports is identical to a number of the phases of the upconverted digital signals;
• a set of multi-core 2-dimensional (2D) network-resonant digital plane wave (NR-DPW) beamfilters connected to the input ports, wherein a number of the multi-core 2D NR-DPW beamfilters is identical to the number of phases;
• and
• output ports connected to the 2D NR-DPW beamfilters, wherein each of the output ports is connected to one of input ports of a multi-core-DSM modulator.

An all-digital transmitter (ADT) comprising:

• a baseband interface configured to store and transmit an (baseband) input signal at a corresponding frequency band;
• a polyphase finite impulse response (FIR) filter configured to receive and convert the baseband input signal (samples) into different phases;
• a digital upconverter configured to upconvert each of the different phase baseband input signal to a predetermined carrier frequency in a digital domain;
• a set of multi-core 2-dimensional (2D) network-resonant digital plane wave (NR-DPW) beamfilters, wherein each of the multi-core 2D NR-DPW beamfilters is configured to transmit the upconverted baseband input signal by a target angle;
• a multi-core delta-sigma modulator (DSM) configured to encode the upconerted input signal into pulsating signals, wherein the multi-core beam filter comprises:
• input ports configured to acquire upconverted digital signals having different phases, wherein a number of the input ports is identical to a number of the phases of the upconverted digital signals;
• a set of multi-core 2-dimensional (2D) network-resonant digital plane wave (NR-DPW) beamfilters connected to the input ports, wherein a number of the multi-core 2D NR-DPW beamfilters is identical to the number of phases;
• and
• output ports connected to the 2D NR-DPW beamfilters, wherein each of the output ports is connected to one of input ports of a multi-core-DSM modulator;
• and
• a serializer configured to serialize the encoded pulsating signals into a RF bitstream.