August 4, 2018 - EngineersTutor

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

Digital Communications

Direct Sequence Spread Spectrum | DSSS

August 4, 2018November 11, 2018 Gopal Krishna 10730 Views 0 Comments antenna, BPSK, chipping code, direct sequence spread spectrum, DSSS, DSSS waveforms, fading, Fourier Transform, interference, jamming, multipath propagation, PN sequence, pseudo noise, radio communication, WLAN, XOR

Direct Sequence Spread Spectrum (DSSS) Radio communication suffers from following problems: Interference Jamming Multipath propagation & fading Secure communication INTERFERENCE:

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