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基于IEEE802.16d的信道估计研究与仿真

Research and Simulation of Channel Estimation Based on IEEE802.16d
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摘要 IEEE802.16d是一种可以提供高达70 Mb/s的峰值传输速率来支持不同Qosl类型的综合数据业务部署的固定宽带无线接入系统。首先介绍了基于IEEE802.16d的Wireless MAN-OFDM中的帧结构形式,在分析了OFDM信道估计技术和插值算法后仿真了协议中的导频和前导在SUI信道模型下的估计性能。仿真了不同的估计算法和插值对系统的性能影响,从仿真结果可以看出前导的估计效果要优于导频,给出了系统导频估计的适用条件。 IEEE802.16d is a type of fixed broadband wireless access system that can offer transmission data rate as high as 70 Mb/s to meet the different Qosl serve. At first,it introduces the type of Wireless MAN- OFDM frame format on the basis of IEEE802.16d,by analyzing the channel estimation and interploation algorithm in OFDM system, then the performance of pilot and preamble estimation are simulated in SUI channel model. The system performance is influenced by the different algorithm and interpolation, which are also simulated. From the simulation result, the performance of preamble estimation is better than that of pilot, and the suitable condition of pilot estimation is given.
作者 何招旺 陈辉
机构地区 桂林电子科技大学信息与通信学院
出处 《现代电子技术》 2009年第3期22-24,28,共4页 Modern Electronics Technique
关键词 IEEE802.16D OFDM 信道估计 插值 IEEE802.16d OFDM channel estimation interpolation
分类号 TN911 [电子电信—通信与信息系统]
  • 相关文献

参考文献7

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二级参考文献8

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现代电子技术
2009年 第3期

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