Channel Estimation Schemes for IEEE 802.11p Standard

被引：117

作者：

Zhao, Zijun ^{[1
,2
]}

Cheng, Xiang ^{[1
,2
]}

Wen, Miaowen ^{[1
]}

Jiao, Bingli ^{[1
]}

Wang, Cheng-Xiang ^{[3
]}

机构：

[1] Peking Univ, Sch Elect Engn & Comp Sci, Beijing 100871, Peoples R China

[2] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing, Jiangsu, Peoples R China

[3] Heriot Watt Univ, Joint Res Inst Signal & Image Proc, Edinburgh EH14 4AS, Midlothian, Scotland

来源：

IEEE INTELLIGENT TRANSPORTATION SYSTEMS MAGAZINE | 2013年 / 5卷 / 04期

基金：

中国国家自然科学基金; 英国工程与自然科学研究理事会;

关键词：

OFDM SIGNALS; MODELS; COMMUNICATION; SPACES;

D O I：

10.1109/MITS.2013.2270032

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In vehicle-to-vehicle (V2V) communications, reliable channel estimation is critical for the system performance due to the extremely time-varying characteristic of V2V channels. In this article, we present a survey on the current channel estimation techniques for the IEEE 802.11p standard. According to deficiencies of the current schemes and considering characteristics of V2V channels, we propose a novel channel estimation scheme, which utilizes the data symbols to construct pilots as well as the correlation characteristics between channels within two adjacent symbols. Analysis and simulation results demonstrate that the proposed scheme outperforms currently widely-used schemes especially in high signal-to-noise ratio regime. At the end, some open issues for the future work conclude this article.

引用

页码：38 / 49

页数：12

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