Constellation in LTE

Constellation in LTE, The QPSK is the most robust modulation, It can be represented by a constellation, qpsk modulation.

The QPSK is the most robust modulation. It can be represented by a constellation:
The radius, R, represents the amplitude.
The angle, ?, represents the phase.
There are 1 amplitude but 4 phases to 4 different states.
2 bits can be coded with 1 QPSK symbol.
The 16-QAM can modulate 4 bits per symbol.
The 64-QAM can modulate 6 bits per symbol.

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Constellation in LTE, amplitude, constellation, lte, modulation, phase, pn, qam, qpsk, radius, symbol, telecom