A novel OFDM-based wireless positioning protocol for cellular networks

被引：0
|
作者：
Zhao, Guannan [1 ]
Wang, Donglin [2 ]
Fattouche, Michel [2 ]
Jin, Minglu [1 ]
机构：
[1] Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, No. 2, Linggong Rd., Ganjingzi Dist., Dalian 116023, China
[2] Department of Electrical and Computer Engineering, University of Calgary, 2500 University Dr. NW, Calgary, AB T2N 1N4, Canada
来源：
ICIC Express Letters | 2011年 / 5卷 / 4 B期
关键词：
Internet protocols - Mobile telecommunication systems - Covariance matrix - Location - Wireless networks;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this paper, a novel orthogonal frequency division modulation (OFDM) based positioning protocol with more location accuracy is proposed for cellular networks. We also present 4 suitable positioning methods for our protocol in terms of obtained range measurements. A new unified Crame-Rao lower bounds (CRLB) is derived theoretically for these location schemes. Further, we provide best linear unbiased estimator (BLUE) algorithms to locate a mobile station (MS) in our presented protocol; their performance is discussed and compared according to the positioning error covariance matrix (PECM). The theoretical analyses show BLUE-based methods can approach the CRLB bounds asymptotically under some condition, i.e., they are asymptotically efficient. Finally, the relation formula of their location accuracy is given. ICIC International © 2011 ISSN 1881-803X.
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页码：1207 / 1212
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