Figure 5 shows a basic block diagram of a complete end-to-end OFDM system consisting of a transmitter and receiver. The bit stream enters the system on the left of the diagram. As typical, this single ...

Figure 3 shows the basic block diagram of a quadrature modulator. The modulation inputs, i (t) and q (t), are multiplied by the carrier frequency, with the q (t) carrier shifted by 90 degrees. Figure ...