Characterization of Image Receivers for Optical Wireless Location Technology

被引：11

作者：

Arafa, Ahmed ^{[1
]}

Jin, Xian ^{[1
]}

Bergen, Mark H. ^{[1
]}

Klukas, Richard ^{[1
]}

Holzman, Jonathan F. ^{[1
]}

机构：

[1] Univ British Columbia, Sch Engn, Kelowna, BC V1V 1V7, Canada

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2015年 / 27卷 / 18期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Angle of arrival (AOA); indoor optical positioning; image sensor; INDOOR; SYSTEM;

D O I：

10.1109/LPT.2015.2446892

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 this letter, image receivers are characterized to address the challenges of indoor positioning with optical wireless location systems. Image receivers are studied according to their field-of-view (FOV) characteristics: 1) the first image receiver uses a wide-FOV (95 degrees) microlens and 2) the second image receiver uses an ultrawide-FOV (130 degrees) microlens. An angle of arrival characterization of the image receiver is used to quantify azimuthal, phi, and polar, theta, angles of incident light from optical beacons. A dilution of position (DOP) characterization is used to quantify geometrical effects of the optical beacon distribution. It is found that the ultrawide-FOV microlens (with a mean positioning error of 1.5 cm) can better image widely separated optical beacons, and thus operate at a lower DOP, compared with the wide-FOV microlens (with a mean positioning error of 3.2 cm).

引用

页码：1923 / 1926

页数：4

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