Tetsuya Manabe

Tetsuya Manabe
Saitama University · Department of Electrical and Electronic Systems

Ph.D.

About

19
Publications
200
Reads
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41
Citations

Publications

Publications (19)
Article
This paper indicates a design methodology of Wi-Fi round-trip time (RTT) ranging for lateration through the performance evaluation experiments. The Wi-Fi RTT-based lateration needs to operate plural access points (APs) at the same time. However, the relationship between the number of APs in operation and ranging performance has not been clarified i...
Article
This paper evaluates the bluetooth low energy (BLE) positioning systems using the sparse-training data through the comparison experiments. The sparse-training data is extracted from the database including enough data for realizing the highly accurate and precise positioning. First, we define the sparse-training data, i.e., the data collection time...
Article
This paper presents a link-weight calculation method based on slow-vehicle (SV) probe data for realizing SV navigation systems. First, we analyze the SV probe data from the viewpoint of limiting speed, road width class, the number of traffic lanes and presence/absence of centerline, and presence/absence of sidewalks. Next, the link-weight calculati...
Article
This paper verifies the effects of ``the number of intersections'' instead of ``walking distance'' as the additional guide information for pedestrian navigation systems. In the prior experiment, we show the possibility that the use of ``walking distance'' degrade the navigation performance. We carry out the experiments comparing ``walking distance'...
Article
This paper proposes a route calculation method for a bicycle navigation system that complies with traffic regulations. The extension of the node map and three kinds of route calculation methods are constructed and evaluated on the basis of travel times and system acceptability survey results. Our findings reveal the effectiveness of the proposed ro...
Article
In this paper, we clarify the importance of performance evaluation using a plurality of smartphones in a positioning system based on radio waves. Specifically, in a positioning system using bluetooth low energy, the positioning performance of two types of positioning algorithms is performed using a plurality of smartphones. As a result, we confirme...
Article
This paper describes designing a new pedestrian navigation system using a comprehensive framework called the pedestrian navigation concept reference model (PNCRM). We implement this system as a publicly-available smartphone application and evaluate its positioning performance near Omiya station's western entrance. We also evaluate users' subjective...
Article
This paper evaluate positioning performance considering the influence of communication state on wireless LAN positioning systems. First, we evaluate positioning performance considering the influence of the presence/absence of connection to access points on the system. As a pre-experiment, we check the influence to access point lookups. With this in...
Article
In this paper, the differences in navigation information design, which is important for kiosk-type pedestrian navigation systems, were experimentally examined depending on presence or absence of carriable navigation information in order to acquire the knowledge to contribute design guidelines of kiosk-type pedestrian navigation systems. In particul...
Article
This paper presents a design methodology for positioning sub-platform from the viewpoint of positioning for smartphone-based location-based services (LBS). To achieve this, we analyze a mechanism of positioning error generation including principles of positioning subsystems and structure of smartphones. Specifically, we carry out the experiments of...
Article
This paper presents two new types of markers of MCubITS (M-sequence Multimodal Markers for ITS; M-Cubed for ITS) that is a ground-based positioning system, in order to advance the WYSIWYAS (What You See Is What You Are Suggested) navigation environments providing intuitive guidance. One of the new markers uses warning blocks of textured paving bloc...
Conference Paper
This paper describes the virtual planning office “VPO” from the viewpoint of the quality of spatial comfort “QoSC” toward supplying attractive products for consumers, and constructs a prototype of the VPO system. In addition, the validity of the actual products' effects the VPO focuses on is verified through the prototype. The VPO is a new concept...
Article
This paper makes the pedestrian navigation concept reference model based tripartite comparative study of M-CubITS pedestrian WYSIWYAS navigation systems processed in different places ---terminal type, mail server type, and web server type---. First, we show characteristics of the three types of the M-CubITS pedestrian WYSIWYAS navigation system acc...
Article
This paper presents the platform-oriented pedestrian WYSIWYAS navigation system in consideration of migration of positioning subsystems. The presented system uses M-CubITS using carpet-tiles and visible light communications as positioning subsystems which can seamlessly obtain location and heading-direction information accurately in buildings and n...
Article
This paper proposes the pedestrian navigation concept reference model for characterization and standardization of pedestrian navigation systems in consideration of their taxonomy. The proposed concept reference model consists of three layers ---the service layer, the system layer, and the elemental technology layer--- that divided into four or five...
Conference Paper
This paper presents M-CubITS Integrated WYSIWYAS Navigation Environment Box (MI WyNE Box) which can be integrated complementarily with previous M-CubITS pedestrian WYSIWYAS navigation systems. The presented system guides a user to user"s destination intuitively by reading the destination information that has been registered in FeliCa chip or QR cod...
Conference Paper
This paper proposes the M-CublTS pedestrian WYSIWYAS navigation system for intuitive guidance using tile carpets that are wide spread in buildings. We adopt tile carpets instead of textured paving blocks that we have used in our previous studies of the M-CublTS pedestrian WYSIWYAS navigation system because of their wide spread use. In addition, sin...
Conference Paper
This paper describes construction of the M-CubITS pedestrian WYSIWYAS navigation system both in outdoor and indoor areas, toward realization of the M-CubITS pedestrian WYSIWYAS navigation environment. In outdoor navigation, we construct the experimental Saitama University campus outdoor navigation system "CamNavi" using ordinary mobile phone termin...

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Projects

Projects (6)
Project
Realizing the bicycle riding safety support information system including risky and illegal riding behavior
Project
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