8. (a) What are the advantages of Adaptive Huffman Coding compared to the original Huffman Coding...
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8. (a) What are the advantages of Adaptive Huffman Coding compared to the original Huffman Coding algorithm? (b) Assume that Adaptive Huffman Coding is used to code an information source S with a vocabulary of four letters (a, b, c, d). Before any transmis- sion, the initial coding is a=00, b=01, c=10, d= 11. As in the example illustrated in Fig. 7.8, a special symbol NEW will be sent before any letter if it is to be sent the first time. Figure 7.18 is the Adaptive Huffman tree after sending letters aabb. After that, the additional bitstream received by the decoder for the next few letters is 01010010101. NEW 0 Fig. 7.18 Adaptive Huffman tree 2 4 2 b 1 2 a i. What are the additional letters received? ii. Draw the adaptive Huffman trees after each of the additional letters is received. 8. (a) What are the advantages of Adaptive Huffman Coding compared to the original Huffman Coding algorithm? (b) Assume that Adaptive Huffman Coding is used to code an information source S with a vocabulary of four letters (a, b, c, d). Before any transmis- sion, the initial coding is a=00, b=01, c=10, d= 11. As in the example illustrated in Fig. 7.8, a special symbol NEW will be sent before any letter if it is to be sent the first time. Figure 7.18 is the Adaptive Huffman tree after sending letters aabb. After that, the additional bitstream received by the decoder for the next few letters is 01010010101. NEW 0 Fig. 7.18 Adaptive Huffman tree 2 4 2 b 1 2 a i. What are the additional letters received? ii. Draw the adaptive Huffman trees after each of the additional letters is received.
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Marketing The Core
ISBN: 978-0078028922
5th edition
Authors: Roger A. Kerin, Steven W. Hartley, William Rudelius
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