A High-speed AFH Scheme and Its Performance Analysis in WPAN Systems

SHEN Lian-feng; ZOU Le; SONG Yang; SONG Tie-cheng

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A High-speed AFH Scheme and Its Performance Analysis in WPAN Systems

更新时间：2025-07-16

- A High-speed AFH Scheme and Its Performance Analysis in WPAN Systems
- Acta Electronica Sinica Vol. 30, Issue 10, Pages: 1540-1543(2002)
- 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： TN914.41
- Published：2002
- 稿件说明：
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SHEN Lian-feng, ZOU Le, SONG Yang, et al. A High-speed AFH Scheme and Its Performance Analysis in WPAN Systems[J]. Acta Electronica Sinica, 2002, 30(10): 1540-1543.
DOI：

SHEN Lian-feng, ZOU Le, SONG Yang, et al. A High-speed AFH Scheme and Its Performance Analysis in WPAN Systems[J]. Acta Electronica Sinica, 2002, 30(10): 1540-1543. DOI：

摘要

本文针对无线个域网(WPAN

Wireless Personal Area Network

)工作环境复杂的干扰情况

提出将自适应跳频技术应用其中的方案

并以几个WPAN系统为例进行了定量计算.得出了采用AFH技术后系统的误码特性

最后以802.15.1(Bluetooth)及802.15.3系统为例

对其主要的数据速率和1600跳/秒情况进行了数值计算.结果表明

在小区域内存在多种系统工作在同一频段的情况下

采用AFH技术的WPAN系统抗干扰性能差不多提高了1~2个数量级.本文结论也可推广到使用高速跳频技术的其它WPAN系统.

Abstract

This paper presents a scheme applying the technique of Adaptive Frequency Hopping (AFH) to WPAN system in which works on the complex interference environment and the performances of the bit error rate (BER) for some WPAN systems that use AFH technique are analyzed.First

the background of WPAN systems and the typical interferences in WPAN environment are discussed.Then

the theoretic analysis of especially the BER characteristics of this scheme is given.Finally

the simulation of the cases of data rates commonly used in 1600 hops/s is performed taking 802.15.1 (Bluetooth) and 802.15.3 system as examples.The results show that the AFH technique improves the BER performance of the WPAN systems nearly 1~2 order of magnitudes when these systems work in the same frequency band within a small area.The result is also applicable for other WPAN systems using high-speed frequency hopping technique.

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