What is the full form of CE-OFDM?(a) Closed Envelope Orthogonal Frequency Division Multiplexing(b) Constant Envelope Orthogonal Frequency Division Multiplexing(c) Constant Evolute Orthogonal Frequency Division Multiplexing(d) Closed Evolute Orthogonal Frequency Division MultiplexingI have been asked this question at a job interview.I'm obligated to ask this question of Next Generation Wireless Network in portion Next Generation Wireless Network of Cognitive Radio

What is the full form of CE-OFDM?(a) Closed Envelope Orthogonal Freque

1.	What is the full form of CE-OFDM?(a) Closed Envelope Orthogonal Frequency Division Multiplexing(b) Constant Envelope Orthogonal Frequency Division Multiplexing(c) Constant Evolute Orthogonal Frequency Division Multiplexing(d) Closed Evolute Orthogonal Frequency Division MultiplexingI have been asked this question at a job interview.I'm obligated to ask this question of Next Generation Wireless Network in portion Next Generation Wireless Network of Cognitive Radio
Answer» The CORRECT choice is (b) Constant Envelope Orthogonal FREQUENCY DIVISION Multiplexing Explanation: In Constant Envelope Orthogonal Frequency Division Multiplexing, the complex modulated signals are positioned in a complex conjugated arrangement to obtain a REAL value inverse fast Fourier transform output. ALSO, phase modulation is applied in the real value time domain. This technique reduces the high peak to average power ratio of OFDM.

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