Higher-order modulation is a type of digital modulation usually with an order of 4 or higher. Examples: quadrature phase-shift keying (QPSK), m-ary quadrature amplitude modulation (m-QAM), etc.
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Higher-order modulation is a type of digital modulation usually with an order of 4 or higher. Examples: quadrature phase-shift keying (QPSK), m-ary quadrature amplitude modulation (m-QAM), etc.