16 Qam Block Diagram. The 16 qam bits per symbol are 4 four. The constellation diagrams show the different positions for the states within different forms of qam quadrature amplitude modulation.
After downsampling the matched filter output to symbol rate the samples thus obtained are mapped back to the constellation previously illustrated in QAM detector block diagram and now drawn in Figure below for 4-QAM modulation. The resulting constellation diagram for 16-QAM is shown in Fig. For example if the input is 1010 then the output is -3-j3KMOD.
Binary code and Gray code.
We showed a common block diagram for generating a quadrature signal Figure 1There is a corresponding receiver block diagram to extract the Inphase I and Quadrature Q components of the signal Figure 2The signal is converted to digital form by the analog-to-digital converter. Use the de2bi function to convert the data symbols from the QAM demodulator dataSymbolsOut into a binary matrix dataOutMatrix with dimensions N sym by N bits sym. The 16 qam bits per symbol are 4 four. Block Diagram Of 16 Qam Block Diagram Of 16 Qam Chapter 1.