Draw the constellation diagram for QPSK system and explain

Assignment Detail:- ME502 Overview of Digital Communication - Melbourne Institute of Technology Assessment - Source Coding and Implementation Digital audio has become an integral part of our lives- Nearly all transmission of speech signals and music over mobile phone channels is currently digital- Moreover, digital audio and video recording in social network platforms has become very popular- This assignment exposes the student to real world applications of digital communication in digital audio transmission and recoding systems- It is therefore essential for each student to understand and acquire essential skills through practice and critical review of some of the existing techniques and write a technical report based on his or her investigations- Requirements The student needs to address the following three areas: 1- a- Requirement analysis: student is required to analyse the following for digital audio in high fidelity digital music transmission systems:• Assume the highest frequency of an instrument is 11, 200 Hz- Sample the signal from the instrument at four times the Nyquist rate- At what sampling rate do you expect aliasing to occur???? b- How many QPSK symbols do you expect to have in one second of the sampled signal out from this instrument at the sampling rate in a-????• Draw the constellation diagram for QPSK system and explain the diagram in detail-• Required number of bits per sample to achieve a high signal to quantization noise level for high quality audio- 2- Write a detailed review and analysis of waveform-coding techniques used in digital audio transmission and recording- Describe in clear details the techniques in use including PCM and DPCM- Attachment:- Overview of Digital Communications-rar

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