A Mathematical Model for Wideband Ranging

被引：112

作者：

Bartoletti, Stefania ^{[1
]}

Dai, Wenhan ^{[2
]}

Conti, Andrea ^{[1
]}

Win, Moe Z. ^{[2
]}

机构：

[1] Univ Ferrara, ENDIF, I-44100 Ferrara, Italy

[2] MIT, LIDS, Cambridge, MA 02139 USA

来源：

IEEE JOURNAL OF SELECTED TOPICS IN SIGNAL PROCESSING | 2015年 / 9卷 / 02期

关键词：

Network localization; wideband ranging; energy detection; range likelihood; TOA estimation; ENERGY DETECTION; SPREADING BANDWIDTH; LOCATION ESTIMATION; FUNDAMENTAL LIMITS; RAKE RECEPTION; LOCALIZATION; PERFORMANCE; SIGNALS; MITIGATION; NAVIGATION;

D O I：

10.1109/JSTSP.2014.2370934

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：

Wideband ranging is essential for numerous emerging applications that rely on accurate location awareness. The quality of range information, which depends on network intrinsic properties and signal processing techniques, affects the localization accuracy. A popular class of ranging techniques is based on energy detection owing to its low-complexity implementation. This paper establishes a tractable model for the range information as a function of wireless environment, signal features, and energy detection techniques. Such a model serves as a cornerstone for the design and analysis of wideband ranging systems. Based on the proposed model, we develop practical soft-decision and hard-decision algorithms. A case study for ranging and localization systems operating in a wireless environment is presented. Sample-level simulations validate our theoretical results.

引用

页码：216 / 228

页数：13

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