Analysis of jamming on DS-UWB system

MILCOM 2005 - 2005 IEEE Military Communications Conference Pub Date : 2005-10-17 DOI:10.1109/MILCOM.2005.1605727

M. Hamalainen, J. Iinatti

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引用次数: 4

Abstract

This paper presents ultra wideband (UWB) jamming studies in additive white Gaussian noise (AWGN) channel analytical approach for UWB system performance in the presence of partial band jamming (or interference), whose special case is tone jamming, is presented. In UWB case, most of the jamming (interference) could be seen as partial band jamming due to the extremely large inherent bandwidth of the desired signal. The given modifications for the existing formulas, which originally have applied for wideband system with narrowband interference, are verified with the corresponding simulated results in UWB context. The study has focused on direct sequence (DS) based single-band UWB system that uses binary pulse amplitude modulation (BPAM) as a data modulation scheme. Jamming (interference) is assumed to be bandlimited and Gaussian distributed, and the presented analytical expressions allow freely spacing and arbitrary bandwidth for the interfering signal. It has been noticed that the general bit error rate (BER) formulas for wideband systems can also be applied to UWB to calculate the upper bounds for the performances using real UWB system parameters in very simply way through spectral characteristics

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DS-UWB系统的干扰分析

本文研究了加性高斯白噪声(AWGN)信道下的超宽带(UWB)干扰，给出了UWB系统在部分频带干扰(或干扰)情况下的性能分析方法，其中部分频带干扰的特殊情况是音调干扰。在超宽带情况下，由于期望信号的固有带宽非常大，大多数干扰(干扰)可以被视为部分频带干扰。本文对已有公式进行了修正，这些修正最初用于窄带干扰的宽带系统，并在超宽带环境下进行了相应的仿真验证。研究了基于直接序列(DS)的单波段超宽带系统，该系统采用二进制脉冲幅度调制(BPAM)作为数据调制方案。假设干扰是带宽有限和高斯分布的，给出的解析表达式允许干扰信号的任意间隔和带宽。我们注意到，一般用于宽带系统的误码率(BER)公式也可以应用于超宽带，利用真实的超宽带系统参数，通过频谱特性非常简单地计算出性能的上界

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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MILCOM 2005 - 2005 IEEE Military Communications Conference

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