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Bingbing Cheng and Jiao Wu
The global satellite navigation signal works well in open areas outdoors. However, due to its weakness, it is challenging to position continuously and reliably indoors. In this paper, we developed a hybrid system that combines radio signals and acoustic ...
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Evianita Dewi Fajrianti, Nobuo Funabiki, Sritrusta Sukaridhoto, Yohanes Yohanie Fridelin Panduman, Kong Dezheng, Fang Shihao and Anak Agung Surya Pradhana
Currently, outdoor navigation systems have widely been used around the world on smartphones. They rely on GPS (Global Positioning System). However, indoor navigation systems are still under development due to the complex structure of indoor environments,...
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Yinhuan Dong, Duanxu Shi, Tughrul Arslan and Yunjie Yang
Researchers have explored multiple Wi-Fi features to estimate user locations in indoor environments in the past decade, such as Received Signal Strength Indication (RSSI), Channel State Information (CSI), Time of Arrival (TOA), and Angle of Arrive (AoA)....
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Shulin Zeng, Cuilin Kuang and Wenkun Yu
Modern low-cost electronic devices can achieve high precision for global navigation satellite systems (GNSSs) and related applications. Recently, the pseudo-range and carrier phase have been directly obtained from a smartphone to establish a professional...
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Hongxia Qi, Yunjia Wang, Jingxue Bi, Hongji Cao and Shenglei Xu
Floor positioning is an important aspect of indoor positioning technology, which is closely related to location-based services (LBSs). Currently, floor positioning technologies are mainly based on radio signals and barometric pressure. The former are imp...
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Konstantinos Evangelidis, Theofilos Papadopoulos and Stella Sylaiou
We put forward a conceptualization of Mixed Reality as a blend of digital objects with real ones that coexist and interact with each other and they are also spatially referenced so that they are properly perceived in space by an observer that could poten...
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Zun Niu, Fugui Guo, Qiangqiang Shuai, Guangchen Li and Bocheng Zhu
The real-time kinematic positioning technique (RTK) and visual?inertial odometry (VIO) are both promising positioning technologies. However, RTK degrades in GNSS-hostile areas, where global navigation satellite system (GNSS) signals are reflected and blo...
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Paolo Dabove, Vincenzo Di Pietra and Marco Piras
The access and the use of the global navigation satellite system (GNSS) pseudo-range and carrier-phase measurements mobile devices as smartphones and tablets with an Android operating system has transformed the concept of accurate positioning with mobile...
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Marcin Uradzinski and Mieczyslaw Bakula
Recent developments enable to access raw Global Navigation Satellite System (GNSS) measurements of mobile phones. Initially, researchers using signals gathered by mobile phones for high accuracy surveying were not successful in ambiguity fixing. Nowadays...
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Xuan Wang, Guoliang Chen, Mengyi Yang and Saizhou Jin
Currently, pedestrian dead reckoning (PDR) is widely used in indoor positioning. Since there are restrictions on a device?s pose in the procedure of using a smartphone to perform the PDR algorithm, this study proposes a novel heading estimation solution ...
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