Ofdm

Gnuradio ofdm transmitter

Gnuradio ofdm transmitter
  1. What is OFDM in wireless communication?
  2. What is OFDM demodulation?
  3. What is a symbol in OFDM?

What is OFDM in wireless communication?

Orthogonal frequency-division multiplexing is a method of data transmission where a single information stream is split among several closely spaced narrowband subchannel frequencies instead of a single Wideband channel frequency.

What is OFDM demodulation?

OFDM Demodulation

An OFDM demodulator demultiplexes a multi-subcarrier time-domain signal using orthogonal frequency division multiplexing. OFDM demodulation uses an FFT operation that results in N parallel data streams.

What is a symbol in OFDM?

Orthogonal frequency division multiplexing (OFDM) takes a digital information signal with bit rate Rb, maps n-bit words on to M = 2n symbols (each symbol being a complex number representing the amplitude and phase of an M-ary modulation scheme), splits the resulting symbol stream (rate Rs = Rb/n) into N parallel ...

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