Which technique can be used for bandwidth reduction?(a) BPSK(b) QPSK(c) MPSK(d) MFSKThis question was addressed to me by my college director while I was bunking the class.I want to ask this question from Bandwidth Efficiency Plane and Bandwidth Efficient Modulation in section Modulation and Coding Trade-off of Digital Communications

Which technique can be used for bandwidth reduction?(a) BPSK(b) QPSK(c

1.	Which technique can be used for bandwidth reduction?(a) BPSK(b) QPSK(c) MPSK(d) MFSKThis question was addressed to me by my college director while I was bunking the class.I want to ask this question from Bandwidth Efficiency Plane and Bandwidth Efficient Modulation in section Modulation and Coding Trade-off of Digital Communications
Answer» Correct OPTION is (C) MPSK To elaborate: Coherent M-ary PSK modulation is a well KNOWN technique for ACHIEVING bandwidth reduction.

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