Design of TCM Signals for Class-A Impulsive Noise Environment
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概要
- 論文の詳細を見る
In this paper, a design of TCM signals for Middleton's class-A impulsive noise environment is investigated. The error event characteristics under the impulsive noise is investigated, and it is shown that the length of the signal sequence is more important than Euclidean distance between the signal sequences. Following this fact, we introduce the shortest error event path length as a measure of the signal design. In order to make this value large, increasing of states of convolutional codes is employed, and the performance improvement achieved by this method is evaluated. Numerical results show the great improvement of the error performance and conclude that the shortest error event path length is a good measure in the design of TCM signals under impulsive noise environment. Moreover, the capacity of class-A impulsive noise channel is evaluated, and the required signal sets expansion rates to obtain the achievable coding gain is discussed.
- 社団法人電子情報通信学会の論文
- 1995-02-25
著者
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Katayama Masaaki
The Faculty Of Engineering Nagoya University
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Morinaga Norihiko
The Faculty Of Engineering Osaka University
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Miyamoto Shinichi
The Faculty Of Engineering Osaka University
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