Efficiency

Spectral Effeciency of BPSK

Spectral Effeciency of BPSK

BPSK transmits one bit per symbol, so the signal bandwidth is twice the bit rate. That has been shown on a few stack overflow questions. This implies the spectral efficiency is 0.5 bits/second/Hz. However, a quick Google for the spectral efficiency of BPSK gives an answer of 1 bits/second/Hz.

  1. What is the bandwidth efficiency of BPSK?
  2. Which modulation is spectrally more efficient?
  3. What is spectral efficiency formula?

What is the bandwidth efficiency of BPSK?

BPSK is very spectrally efficient in that you can transmit at a data rate equal to the bandwidth or 1 bit/Hz.

Which modulation is spectrally more efficient?

Explanation: MSK is spectrally more efficient than the other modulation schemes.

What is spectral efficiency formula?

1, the spectral efficiency is defined as ηs = B/Δvch, where B is the single-channel bit rate and Δvch is the channel spacing.

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