Research on coded modulation for non-Gaussian noise channel

非高斯噪声信道编码调制研究

• 批准号: 03650272
• 负责人: OGIWARA Haruo
• 金额: $ 1.22万
• 依托单位: Nagaoka University of Technology
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for General Scientific Research (C)
• 财政年份: 1991
• 资助国家: 日本
• 起止时间: 1991 至 1992
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-03650272/
• 关键词: Coded Modulation; Trellis Coding; Multi-level Coding; Non-Gaussian Noise; Fading; インパルス性雑音; トレリス符号化; フェ-ジング

We studied coded modulation techniques for non-Gaussian channel. The coded modulation gives a reliable transmission by taking an error correcting coding and a modulation into account, simultaneously. The coded modulation includes the trellis coding and the multi-level coding.For the trellis coding, we derived an upper bound formula of bit error rate by the evaluation of pair-wise error rate bounded by the Bhattacharyya bound. The formula is represented by a loop transfer function of an error state transition diagram. For a baseband or a passband transmission with an impulsive noise, we searched the optimum coding based on the formula and verified the usefulness of the optimum coding by a computer simulation.For the multi-level coding, we derived an approximate formula of the bit error rate for an arbitrary assignment of error correcting capability to each level. The validity of the formula is verified by a computer simulation for a baseband or a passband transmission.We also studied the application of the coded modulation for a fading channel. A fading channel with a Gaussian noise is equivalent to a non-Gaussian channel without fading after an automatic gain controller in a receiver. From this view point, we derived an optimum multi-level coding for a Rayleigh fading channel.

我们研究了非高斯通道的编码调制技术。编码的调制通过同时考虑错误纠正编码和调制来提供可靠的传输。编码的调制包括格子编码和多级编码。对于格子编码，我们通过评估Bhattacharyya界限的配对错误率来得出了一个位错误率的上限公式。公式由误差状态过渡图的循环传输函数表示。对于带有冲动噪声的基带或通带传输，我们根据公式搜索了最佳编码，并通过计算机仿真验证了最佳编码的有用性。对于多级编码，我们得出了近似误差率的近似公式，用于将误差功能纠正到每个级别的任意分配。公式的有效性通过基本或通带变速器的计算机仿真来验证。我们还研究了编码调制的褪色通道的应用。具有高斯噪声的褪色通道等于非高斯通道，而不会在接收器中自动增益控制器后褪色。从这个角度来看，我们为瑞利褪色通道得出了最佳的多级编码。

项目成果

Haruo OGIWIRA,Hiroki IRIE: "Error Rate Analysis of Trellis-Coded Modulation and Optimum Code Search for Impulsive Noise Channel." IEICE TRANS.FUNDAMENTLAS. E-75-A. 1063-1070 (1992)

Haruo OGIWIRA、Hiroki IRIE：“网格编码调制的错误率分析和脉冲噪声通道的最佳代码搜索。”

兼田 一幸,荻原 春生: "多レベル符号化法のビット誤り率解説とインパルス性雑音に対する最適化" 電子情報通信学会論文誌. J-75-A. 1274 1281 (1992)

Kazuyuki Kaneda、Haruo Ogihara：“多级编码方法的误码率和脉冲噪声优化的解释”电子、信息和通信工程师学会学报 J-75-A（1992）。

Kazuyuki KANEDA: "Bit Error Rate Analysis of Multi-Level Coding Scheme and Optimum Error-Correcting Capability Assignment for Impulsive Noise." IEICE TRANS.J-75-A, 8. 1274-1281 (1992)

Kazuyuki KANEDA：“多级编码方案的误码率分析和脉冲噪声的最佳纠错能力分配。”

荻原 春生,安仁屋 満: "選択性フェージング伝送路に対する適応等化と符号化変調" 電子情報通信学会論文誌. J-75-A. 101-107 (1992)

Haruo Ogihara、Mitsuru Yasuniya：“选择性衰落传输路径的自适应均衡和编码调制”，电子、信息和通信工程师学会汇刊 J-75-A (1992)。

Haruo OGIWARA: "Error Rate Analysis of Trellis-Coded Modulation and Optimum Code Search for Impulsive Noise Channel." IEICE TRANS. FUNDAMENTALS. E75-A, 9,. 1063-1070 (1992)

Haruo OGIWARA：“网格编码调制的错误率分析和脉冲噪声通道的最佳代码搜索。”