NLOS channel identification and mitigation in ultra wideband ToA-based wireless sensor networks
N Alsindi, C Duan, J Zhang… - 2009 6th Workshop on …, 2009 - ieeexplore.ieee.org
Recently, Ultra Wideband (UWB) Time of Arrival (ToA)-based localization in Wireless Sensor
Networks (WSNs) have received considerable attention. For a typical WSN operating in …
Networks (WSNs) have received considerable attention. For a typical WSN operating in …
Multipath and NLOS mitigation algorithms
In Chap. 2, the multipath and NLOS problems were introduced and the degrading impact on
distance estimation was highlighted through channel measurements and modeling. In this …
distance estimation was highlighted through channel measurements and modeling. In this …
Methods and devices for channel identification
N Alsindi, J Aweya - US Patent 9,207,305, 2015 - Google Patents
This invention relates to methods and devices for channel identification. The invention is
particularly concerned with techniques for non-line of sight channel identification. In …
particularly concerned with techniques for non-line of sight channel identification. In …
Joint TOA estimation and NLOS identification for UWB localization systems
A Maali, A Ouldali, H Mimoun… - 2009 Third International …, 2009 - ieeexplore.ieee.org
In this paper, we propose a new joint time-of-arrival estimation and non-line-of-sight
identification approach for ultra-wideband wireless sensor network applications. We use an …
identification approach for ultra-wideband wireless sensor network applications. We use an …
An introduction to NLOS identification and localization
W Xu, Z Wang, SA Zekavat - Handbook of Position Location …, 2011 - Wiley Online Library
This chapter reviews many non‐line‐of‐sight (NLOS) identification and localization
techniques. NLOS identification techniques can be categorized into cooperative and …
techniques. NLOS identification techniques can be categorized into cooperative and …
Time-of-arrival estimation through WLAN physical layer systems
Abstract Time-of-arrival (ToA) has been the most popular measurement parameter when
estimating distance between two nodes, ie, ranging. Several localization-only systems such …
estimating distance between two nodes, ie, ranging. Several localization-only systems such …
Effect of bandwidth, path detection threshold and udp occurrence on multipath parameters pertinent to indoor geolocation
One of the major challenges in indoor positioning systems is the severe multipath
environment, leading to Undetected Direct Path (UDP) conditions and large positioning …
environment, leading to Undetected Direct Path (UDP) conditions and large positioning …
[PDF][PDF] Wireless communication techniques for indoor positioning and tracking applications
TJS Khanzada - 2010 - opendata.uni-halle.de
This dissertation makes a contribution in the field of indoor positioning applications using
concrete signal design for the forthcoming wireless communication systems. It focuses on …
concrete signal design for the forthcoming wireless communication systems. It focuses on …
利用非視線訊號改善無線網路於二維空間之定位
孫培耕 - 2013 - tdr.lib.ntu.edu.tw
大多數的現有的定位方法都是依據視線訊號(Line of sight, LOS) 定位. 但在都市裡,
常因基地台與接收機中間的障礙物而產生非視線訊號(Non-line of sight, NLOS) …
常因基地台與接收機中間的障礙物而產生非視線訊號(Non-line of sight, NLOS) …
NLOS Identification and Localization
W Xu, Z Wang, SA Zekavat - Handbook of Position Location …, 2018 - Wiley Online Library
When line‐of‐sight (LOS) is not available, that is, in non‐line‐of‐sight (NLOS) conditions,
direction‐of‐arrival (DOA) and time‐of‐arrival (TOA) techniques would involve considerable …
direction‐of‐arrival (DOA) and time‐of‐arrival (TOA) techniques would involve considerable …