Hierarchical Transmission of Huffman Code Using Multi-Code/Multi-Rate DS/SS Modulation with Appropriate Power Control
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概要
- 論文の詳細を見る
For transmission of video signals, it is important that the system allows a certain degree of flexibility in bit rate as well as quality, depending upon the requirements of media and channel conditions. In this paper, we discuss the hierarchical transmission of Huffman code using multi-code/multi-rate DS/SS system to realize flexible transmission. We first discuss and show that the structure of Huffman code tree directly express hierarchical structure, and that parallel transmission of Huffman code can achieve hierarchical transmission. By assigning different transmission data rate to the bits in each stratum, it is possible to transmit different amount of information from each stratum. Further, we show the quality of each of the stratum can easily controlled by an appropriate power distribution to each parallel transmission branch.
- 社団法人電子情報通信学会の論文
- 1998-12-25
著者
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Makido S
The School Of Engineering Nagoya University:(present Address)toyota Central R&d Labs. Inc.
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Yamazato T
Nagoya Univ. Nagoya Jpn
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Yamazato Takaya
Nagoya University
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Yamazato Takaya
Faculty Of Science And Technology Keio University:nagoya University
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Saito Masato
Nara Inst. Of Sci. And Technol. Ikoma‐shi Jpn
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Yamazato Takaya
School Of Engineering Nagoya University
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Ogawa Akira
The Department Of Information Engineering Meijo University
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KATAYAMA Masaaki
the Graduate School of Engineering, Nagoya University
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OGAWA Akira
The Graduate School of Engineering, Nagoya University
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MAKIDO Satoshi
the Graduate School of Engineering, Nagoya University
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YAMAZATO Takaya
the Graduate School of Engineering, Nagoya University
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Saito Miki
The School Of Engineering Nagoya University:(present Address)toyota Central R&d Labs. Inc.
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Sawada Manabu
Research Laboratories Denso Corporation:department Of Electrical Engineering And Computer Science Gr
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Katayama M
Ecotopia Science Institute Nagoya University
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