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Aim

Theory

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Procedure

Simulation

Posttest

References

Contributors

Feedback

Reciever Architecture: ZF and MMSE

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What is the primary purpose of channel equalisation in wireless communication?

a: Reduce noise levels in the received signal. Explanation

Explanation

b: Reverse or compensate for the effects of the wireless channel on the signal. Explanation

Explanation

c: Reduce transmission power. Explanation

Explanation

d: Increase the transmission bandwidth. Explanation

Explanation

The Zero Forcing (ZF) equalizer aims to:

a: Minimize noise power Explanation

Explanation

b: Maximize signal-to-noise ratio Explanation

Explanation

c: Completely eliminate inter-stream interference Explanation

Explanation

d: Match the channel matrix Explanation

Explanation

How does MMSE equalization differ from ZF equalization in terms of noise handling?

a: MMSE minimizes mean square error but increases noise. Explanation

Explanation

b: MMSE minimizes mean square error while balancing noise and ISI. Explanation

Explanation

c: MMSE completely removes noise. Explanation

Explanation

d: MMSE amplifies noise as channel gain approaches zero. Explanation

Explanation

Which of the following equalizers considers noise power explicitly?

a: Zero Forcing Explanation

Explanation

b: Matched Filter Explanation

Explanation

c: MMSE Explanation

Explanation

d: Decision Feedback Equalizer Explanation

Explanation

Which equalization method typically has better Bit Error Rate (BER) performance at low SNR levels?

a: Zero Forcing (ZF) Equalizer Explanation

Explanation

b: MMSE Equalizer Explanation

Explanation

c: Both perform the same Explanation

Explanation

d: None of the above Explanation

Explanation

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