Analytical and Experimental Investigations on Ultrawideband Pulse Width and Shape Effect on the Accuracy of 3-D Localization

被引：10

作者：

Bharadwaj, Richa ^{[1
]}

Parini, Clive ^{[1
]}

Alomainy, Akram ^{[1
]}

机构：

[1] Queen Mary Univ London, Sch Elect Engn & Comp Sci, Antennas & Electromagnet Res Grp, London E1 4NS, England

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2016年 / 15卷

基金：

英国工程与自然科学研究理事会;

关键词：

Localization; pulse type; pulse width; time of arrival; ultrawideband;

D O I：

10.1109/LAWP.2015.2495318

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：

This letter presents analytical and experimental investigation of three-dimensional indoor localization accuracy using different subbands of the Ultrawideband (UWB) spectrum. Combined effect of ranging errors of each base station (due to change in pulse width, bandwidth, and UWB source pulse) on 3-D localization using a compact tapered slot antenna is studied. Higher-order Gaussian derivative source pulses (3rd and 7th) are compared to first-order Gaussian derivative theoretically and analyzed in terms of the fidelity of the UWB source pulses; localization accuracy and Cramer-Rao lower bounds have also been calculated to validate the experimental findings. It is observed that 5-GHz bandwidth gives sufficiently high localization accuracy results with an average error of 2-3 cm. Results related to the different UWB source pulse show that the third-order Gaussian derivative signal can be used to enhance (30% increase) the localization accuracy and also preserve a good tradeoff between accuracy and complexity of the UWB system.

引用

页码：1116 / 1119

页数：4

共 22 条

[1]

Alavi B, 2006, IEEE COMMUN LETT, V10, P275, DOI 10.1109/LCOMM.2006.04026

[2]

Alavi B, 2006, IEEE WCNC, P884

[3] Transient Characteristics of Wearable Antennas and Radio Propagation Channels for Ultrawideband Body-Centric Wireless Communications [J].

Alomainy, Akram ;

Sani, Andrea ;

Rahman, Atiqur ;

Santas, Jaime G. ;

Hao, Yang .

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2009, 57 (04) :875-884

[4]

[Anonymous], 2005, UWB COMMUNICATIONS S

[5] A Mathematical Model for Wideband Ranging [J].

Bartoletti, Stefania ;

Dai, Wenhan ;

Conti, Andrea ;

Win, Moe Z. .

IEEE JOURNAL OF SELECTED TOPICS IN SIGNAL PROCESSING, 2015, 9 (02) :216-228

[6]

Bharadwaj R., 2011, 2011 LOUGHB ANT PROP, P1

[7] Ultrawideband-Based 3-D Localization Using Compact Base-Station Configurations [J].

Bharadwaj, Richa ;

Parini, Clive ;

Alomainy, Akram .

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, 2014, 13 :221-224

[8]

Chen X., 2002, P IEEE ISCAS, V1, P26

[9]

Chong C.-C., 2007, WCNC 2007, P1559

[10] Network Experimentation for Cooperative Localization [J].

Conti, Andrea ;

Guerra, Matteo ;

Dardari, Davide ;

Decarli, Nicolo ;

Win, Moe Z. .

IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, 2012, 30 (02) :467-475

← 1 2 3 →