QPSK Archives - EngineersTutor

MODEM in digital communications

August 15, 2018September 17, 2020 Gopal Krishna 5213 Views 0 Comments ASK, demodulation, demodulator, digital modulation techniques, FSK, GMSK, modem, modulation, modulator, MSK, NULL modem, PSK, QPSK

MODEM MODEM is cobination of modulator and demodulator. Computer data is binary in nature and consists of sequence of 1s

Digital Communications

OFDM | Orthogonal Frequency Division Multiplexing

August 4, 2018September 12, 2020 Gopal Krishna 4280 Views 0 Comments ASK, Bandwidth, FDM, Frequency division multiplexing, FSK, multi-carrier modulation, OFDM, orthogonal division multiplexing, PSK, QPSK, real-life analogy of OFDM

OFDM = Orthogonal FDM = Orthogonal Frequency Division Multiplexing Modulation is fundamental requirement in any communication system. Multi means two or

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