A link between two sites is organized as two-hop relay system. The OOK is used on the first hop (link) with SNR 4 dB. The BPSK at SNR 5 dB is used on the second link.The data rate 12 kbit/s is used. The source of information produces 10,000 bidigs/sec. The source consists of 5 different symbols, appearing with probabilities P=[ 0.1, 0.05, 0.2, 0.1, x]. The sensor first record 10 secs of the data on a hard drive using 3 binary digits per each symbol. Data is then compressed with Huffman code based on grouping of two symbols. (a) How much data will be stored on the hard drive in the raw form? (b) Calculate the amount of data after the compression and efficiency of the code (c) What is the capacity of the channel per channel use? (d) How long does it take to transmit the data?
A link between two sites is organized as two-hop relay system. The OOK is used on the first hop (link) with SNR 4 dB. The BPSK at SNR 5 dB is used on the second link.The data rate 12 kbit/s is used. The source of information produces 10,000 bidigs/sec. The source consists of 5 different symbols, appearing with probabilities P=[ 0.1, 0.05, 0.2, 0.1, x]. The sensor first record 10 secs of the data on a hard drive using 3 binary digits per each symbol. Data is then compressed with Huffman code based on grouping of two symbols. (a) How much data will be stored on the hard drive in the raw form? (b) Calculate the amount of data after the compression and efficiency of the code (c) What is the capacity of the channel per channel use? (d) How long does it take to transmit the data?
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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A link between two sites is organized as two-hop relay system. The OOK is used on the first hop (link) with SNR 4 dB. The BPSK at SNR 5 dB is used on the second link.The data rate 12 kbit/s is used. The source of information produces 10,000 bidigs/sec. The source consists of 5 different symbols, appearing with probabilities P=[ 0.1, 0.05, 0.2, 0.1, x]. The sensor first record 10 secs of the data on a hard drive using 3 binary digits per each symbol. Data is then compressed with Huffman code based on grouping of two symbols.
(a) How much data will be stored on the hard drive in the raw form?
(b) Calculate the amount of data after the compression and efficiency of the code
(c) What is the capacity of the channel per channel use?
(d) How long does it take to transmit the data?
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