Implementation Structures for UWB-OFDM Systems

XU Bin; BI Guang-guo

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Implementation Structures for UWB-OFDM Systems

更新时间：2025-07-16

- Implementation Structures for UWB-OFDM Systems
- Acta Electronica Sinica Vol. 32, Issue S1, Pages: 157-160(2004)
- 作者机构：
  
  东南大学移动通信国家重点实验室,江苏,南京,210096
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN914TN92
- Published：2004
- 稿件说明：
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XU Bin, BI Guang-guo. Implementation Structures for UWB-OFDM Systems[J]. Acta Electronica Sinica, 2004, 32(S1): 157-160.
DOI：

XU Bin, BI Guang-guo. Implementation Structures for UWB-OFDM Systems[J]. Acta Electronica Sinica, 2004, 32(S1): 157-160. DOI：

摘要

超宽带(UWB)技术与正交频分复用(OFDM)调制相结合的UWB-OFDM系统可能成为短距离、高数据率无线网络理想的传输接入方案之一.然而

随着带宽增加

UWB-OFDM系统的实现难度也随之增大.为此

本文系统地研究了频域直扩、多支路分集、多支路频域均衡、双层多载波频分复用、双层多载波频率分集、双层多载波跳频等几种典型的实现结构

以及它们的组合.分析了不同实现结构的特点及相互关系

为UWB-OFDM系统的设计提供一定的理论参考.

Abstract

An ultra-wideband orthogonal frequency division multiplexing system (UWB-OFDM) may be an ideal transmission/access solution for short-range

high data rate

wireless networks.As the occupied bandwidth increases

however

its implementation becomes more and more difficult.To solve this problem

we investigate a few of typical implementation structures

frequency-domain direct spreading (FDDS)

multi-branch diversity (MBD)

multi-branch frequency-domain equalization (MBFDE)

double-layer multi-carrier frequency division multiplexing (DLMC-FDM)

double-layer multi-carrier frequency diversity (DLMC-FD)

double-layer multi-carrier frequency-hopping (DLMC-FH)

and their combinations

for UWB-OFDM systems.The analysis focuses on the characteristics of each structure and the relationship between any two structures.The findings try to provide a theoretical foundation for the design of UWB-OFDM systems.

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