›› 2010, Vol. 23 ›› Issue (10): 69-71.

• 论文 • 上一篇    下一篇

一种适用于OFDMA系统的时频结合Ranging检测算法

白亚妮   

  1. (西安电子科技大学 电子工程学院,陕西 西安 710071)
  • 出版日期:2010-10-15 发布日期:2010-12-31
  • 作者简介:白亚妮(1984-),女,硕士研究生。研究方向:信号处理与仿真。

A Time-frequency Ranging Detection Algorithm for OFDMA Systems

 BAI YA-Ni   

  1. (School of Electronic Engineering,Xidian University,Xi'an 710071,China)
  • Online:2010-10-15 Published:2010-12-31

摘要:

基于Ranging码的频域相关性,针对IEEE802.16e标准的OFDMA系统,提出了一种时频结合的初始Ranging检测算法,通过调整两门限的设置,在保证较高的检测性能基础上,可以有效地检测接收信号中有无Ranging请求、Ranging码编号、时偏等信息并且减少了Ranging检测的计算量。

关键词: Ranging, IEEE802.16e, OFDMA, 时偏

Abstract:

Based on the ranging code's correlation in frequency domain,a time-frequency ranging detection algorithm for initial ranging of OFDMA systems in IEEE802.16e standard is proposed,which not only guarantees high detection performance through adjusting two thresholds,but also effectively detects a ranging request,the number of ranging code and time offset and reduces the ranging calculation.

Key words: Ranging;IEEE802.16e;OFDMA;time offset

中图分类号: 

  • TN929.5