Question

Which among the following is an expression for spectral efficiency?

a.

η=\(\frac{R_sk}{B}\). where Rₛ is the symbol rate, B is the bandwidth, K is the number of bits per symbol

b.

η=RₛB where Rs is the symbol rate, B is the bandwidth, K is the number of bits per symbol

c.

η=\(\frac{Bk}{R_s}\)where Rₛ is the symbol rate, B is the bandwidth, K is the number of bits per symbol

d.

η=BK where B is the bandwidth

Posted under Cognitive Radio

Answer: (a).η=\(\frac{R_sk}{B}\). where Rₛ is the symbol rate, B is the bandwidth, K is the number of bits per symbol Explanation:Spectral efficiency is given by the product of number of bits per symbol and symbol rate divided by bandwidth. It helps in achieving balance between symbol rate and modulation type.

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Q. Which among the following is an expression for spectral efficiency?
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