Modulation-Demodulation methods in mobile communications

EX 715 · Chapter 4

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8
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12

Past questions by syllabus

4.

Modulation-Demodulation methods in mobile communications

4.2

Review of line coding, digital linear (BPSK, DPSK, QPSKs) and constant envelop (BFSK, MSK, GMSK) modulation and demodulation techniques

7 questions
  1. 2072 MaghChapter 4: Modulation-Demodulation methods in mobile communications4.2 Review of line coding, digital linear (BPSK, DPSK, QPSKs) and constant envelop (BFSK, MSK, GMSK) modulation and demodulation techniques

    Explain the transmitter and receiver of DPSK modulation scheme. Briefly explain about pseudo-noise (PN) sequence. Why is it used?

    ASK ON:ChatGPTClaudeAnswers · -8 marks Asked 1×
  2. 2073 BhadraChapter 4: Modulation-Demodulation methods in mobile communications4.2 Review of line coding, digital linear (BPSK, DPSK, QPSKs) and constant envelop (BFSK, MSK, GMSK) modulation and demodulation techniques

    Explain QPSK modulation with its appropriate equation, constellation diagram.

    ASK ON:ChatGPTClaudeAnswers · -7 marks Asked 1×
  3. 2070 MaghChapter 4: Modulation-Demodulation methods in mobile communications4.2 Review of line coding, digital linear (BPSK, DPSK, QPSKs) and constant envelop (BFSK, MSK, GMSK) modulation and demodulation techniques

    What are MSK and GMSK modulation techniques? Draw the block diagram of OFDM modulator and demodulator and explain them.

    ASK ON:ChatGPTClaudeAnswers · -8 marks Asked 1×
4.3

M-ary (MPSK, MFSK, QAM and OFDM) modulation and demodulation techniques

5 questions
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