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We use M-Ary encoding to represent 3 bits per symbol. Each symbol is a voltage level. Sketch this modulation scheme. Determine the signal power if logic 0 and logic 1 are equally likely. In the absence of noise, what is the maximum capacity of the communications channel? If there is noise and the noise Power Spectral Density (PSD) looks like that shown in Figure 1c), determine Eb/N0. Explain how we use a better representation of binary bits allocated to each level to ensure we minimise the BER. No Noise density 0 Total noise power = 1W f, Hz B=1kHz Figure 1c)

We use M-Ary encoding to represent 3 bits per symbol. Each symbol is a voltage level. Sketch this modulation scheme. Determine the signal power if logic 0 and logic 1 are equally likely. In the absence of noise, what is the maximum capacity of the communications channel? If there is noise and the noise Power Spectral Density (PSD) looks like that shown in Figure 1c), determine Eb/N0. Explain how we use a better representation of binary bits allocated to each level to ensure we minimise the BER. No Noise density 0 Total noise power = 1W f, Hz B=1kHz Figure 1c)

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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We use M-Ary encoding to represent 3 bits per symbol. Each symbol is a voltage level. Sketch this modulation scheme. Determine the signal power if logic 0 and logic 1 are equally likely. In the absence of noise, what is the maximum capacity of the communications channel? If there is noise and the noise Power Spectral Density (PSD) looks like that shown in Figure 1c), determine Eb/NO. Explain how we use a better representation of binary bits allocated to each level to ensure we minimise the BER. No Noise density 0 Total noise power = 1W f, Hz B=1kHz Figure 1c)
Transcribed Image Text:We use M-Ary encoding to represent 3 bits per symbol. Each symbol is a voltage level. Sketch this modulation scheme. Determine the signal power if logic 0 and logic 1 are equally likely. In the absence of noise, what is the maximum capacity of the communications channel? If there is noise and the noise Power Spectral Density (PSD) looks like that shown in Figure 1c), determine Eb/NO. Explain how we use a better representation of binary bits allocated to each level to ensure we minimise the BER. No Noise density 0 Total noise power = 1W f, Hz B=1kHz Figure 1c)
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