Performance evaluations of channel estimations in IEEE 802.11p environments

被引：9
|
作者：
Lin, Chi-Sheng [1 ]
Sun, Che-Kang [1 ]
Lin, Jia-Chin [1 ]
Chen, Bo-Chiuan [2 ]
机构：
[1] Natl Cent Univ, Dept Commun Engn, Jhongli 32001, Taoyuan County, Taiwan
[2] Automot Res & Testing Ctr, Lugang 50544, Changhua County, Taiwan
来源：
TELECOMMUNICATION SYSTEMS | 2013年 / 52卷 / 04期
关键词：
Channel estimation; Dedicated short range communication (DSRC); Intelligent transportation system (ITS); IEEE; 802.11p; Pseudo random postfix OFDM (PRP-OFDM); Least squares (LS);
D O I：
10.1007/s11235-011-9480-x
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
A time-domain (TD) channel estimation (CE) technique is proposed in this paper to enhance the CE performance of IEEE 802.11p standards in cases when the pilot density is insufficient to accurately estimate channel states in rich-scattering environments. This technique is based on a least squares (LS) algorithm and assisted from Zadoff-Chu (ZC) sequences arranged into the symbol prefix and training preambles. The channel conditions tested in this paper were comprehensively simulated in urban, suburb and express-way scenarios.
引用
收藏
页码：1731 / 1742
页数：12
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