Research on the Block Data Detection Technique for HF Channels

张辉; 邢静; 鞠德航

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Research on the Block Data Detection Technique for HF Channels

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- Research on the Block Data Detection Technique for HF Channels
- Acta Electronica Sinica Issue 4, (1998)
- 作者机构：
  
  1. 西安电子科技大学
  2. 中国航天工业总公司５０４研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP274.4
- Published：1998
- 稿件说明：
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[1]张辉,邢静,鞠德航.HF信道块式数据检测技术的研究[J].电子学报,1998(04):101-103.

张辉, 邢静, 鞠德航. Research on the Block Data Detection Technique for HF Channels[J]. Acta Electronica Sinica, 1998, (4).
[1]张辉,邢静,鞠德航.HF信道块式数据检测技术的研究[J].电子学报,1998(04):101-103. DOI：

张辉, 邢静, 鞠德航. Research on the Block Data Detection Technique for HF Channels[J]. Acta Electronica Sinica, 1998, (4). DOI：

摘要

本文研究了一种适用于ＨＦＭＯＤＥＭ的短块式数据检测技术，该技术中使用已知的训练符号对信道特性进行跟踪并对未知数据进行检测。采用判决反馈的形式，可以减小数据块长度，进而采用一种简化的Ｃｈｏｌｅｓｋｙ矩阵分解的算法。计算机模拟表明：该方案能有效地消除高频信道上的码间串扰，适用于高速串行ＨＦ　ＭＯＤＥＭ。

Abstract

This paper describes a nonlinear short-block data estimation technique（NSBE）suitable for theHF modem

with which the known training symblos are used to track the channel characteristics and to detect theunknown data symbols.The adoption of the decision feedback type may reduce the length of the data block

sothat an algorithm of a simplified Cholesky matrix resolution is used. Computer simulation indicates that thisscheme facilitates to effectively eliminate the intersymbol interference in the HF channel and it can be applied tothe high-speed serial HF modem.

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