Results 191 to 200 of about 209,427 (235)
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2016 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 2016
Localization of mobile robots can be challenging in highly dynamic environments (airport terminals, stores, hospitals) yet these areas offer great potential for robotics applications. HighWiFi coverage provides a way to localize even low-cost robots that do not need to be equipped with expensive exteroceptive sensors or excessive computational power to
Michal Jirku +2 more
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Localization of mobile robots can be challenging in highly dynamic environments (airport terminals, stores, hospitals) yet these areas offer great potential for robotics applications. HighWiFi coverage provides a way to localize even low-cost robots that do not need to be equipped with expensive exteroceptive sensors or excessive computational power to
Michal Jirku +2 more
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International Journal of Communication Networks and Distributed Systems, 2011
As the swift development and deployment of WiFi networking infrastructure with the lower price to provide the wider coverage, WiFi-based positioning approaches have been one of the 'best practices' in both outdoor and indoor environment. In this paper, an overview of various approaches for WiFi-based positioning is presented. The WiFi-based positioning
Lingxia Liao +4 more
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As the swift development and deployment of WiFi networking infrastructure with the lower price to provide the wider coverage, WiFi-based positioning approaches have been one of the 'best practices' in both outdoor and indoor environment. In this paper, an overview of various approaches for WiFi-based positioning is presented. The WiFi-based positioning
Lingxia Liao +4 more
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2016 ITU Kaleidoscope: ICTs for a Sustainable World (ITU WT), 2016
The huge growth in the number of connected wireless devices leads to an increasing demand for network connectivity. In this context, aerial networks may play an important role by widening the concept of access networks. This paper describes and analyzes one of the most promising applications of Unmanned Aerial Vehicles, commonly known as drones, in the
Antonio Guillen-Perez +4 more
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The huge growth in the number of connected wireless devices leads to an increasing demand for network connectivity. In this context, aerial networks may play an important role by widening the concept of access networks. This paper describes and analyzes one of the most promising applications of Unmanned Aerial Vehicles, commonly known as drones, in the
Antonio Guillen-Perez +4 more
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2011 IEEE 7th International Conference on Intelligent Computer Communication and Processing, 2011
The demand for accurate indoor localization techniques is increasing. The existing infrastructure of 802.11 WiFi networks can be exploited to position a device in a building. In this paper a positioning system is presented to locate a robot device in the Faculty of Computer Science building.
Timea Bagosi, Zoltan Baruch
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The demand for accurate indoor localization techniques is increasing. The existing infrastructure of 802.11 WiFi networks can be exploited to position a device in a building. In this paper a positioning system is presented to locate a robot device in the Faculty of Computer Science building.
Timea Bagosi, Zoltan Baruch
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ACM SIGMOBILE Mobile Computing and Communications Review, 2013
Wi-Fi is becoming widely popular network interface for data communication in smart phones because of it’s high throughput, power efficiency and relatively larger range. However, the Wi-Fi network still has some perturbation such as high consumption of energy and bandwidth for detecting the contention and collision, energy consumption in idle state for ...
Mostafa Uddin, Tamer Nadeem
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Wi-Fi is becoming widely popular network interface for data communication in smart phones because of it’s high throughput, power efficiency and relatively larger range. However, the Wi-Fi network still has some perturbation such as high consumption of energy and bandwidth for detecting the contention and collision, energy consumption in idle state for ...
Mostafa Uddin, Tamer Nadeem
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Bringing wifi localization to any wifi devices
Proceedings of the 21st ACM Workshop on Hot Topics in Networks, 2022Tianxiang Li +4 more
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Proceedings of the 17th annual international conference on Mobile computing and networking, 2011
The increase in WiFi physical layer transmission speeds from 1~Mbps to 1 Gbps has reduced transmission times for a 1500 byte packet from 12 ms to 12 us. However, WiFi MAC overheads such as channel access and acks have not seen similar reductions and cumulatively contribute about 150 us on average per packet.
Eugenio Magistretti +3 more
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The increase in WiFi physical layer transmission speeds from 1~Mbps to 1 Gbps has reduced transmission times for a 1500 byte packet from 12 ms to 12 us. However, WiFi MAC overheads such as channel access and acks have not seen similar reductions and cumulatively contribute about 150 us on average per packet.
Eugenio Magistretti +3 more
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FC-WiFi: An OpenFlow Based WiFi Network with Free Configuration
2015 Ninth International Conference on Frontier of Computer Science and Technology, 2015Aiming at the urgent demands on constructing WiFi communication networks under emergency environments such as rescue and relief work, FC-WiFi, a WiFi network based on OpenFlow was proposed. FC-WiFi employs name-based routing algorithm, and has the characteristics as follows: (i) supporting free configuration access for mobile hosts, (ii) sharing ...
Junqing Wu +3 more
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Location determination using WiFi fingerprinting versus WiFi trilateration
Journal of Location Based Services, 2007Many applications in the area of location-based services and personal navigation require nowadays the location determination of a user not only in an outdoor environment but also an indoor. Typical applications of location-based services (LBS) mainly in outdoor environments are fleet management, travel aids, location identification, emergency services ...
Esmond Mok, Günther Retscher
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A Case for WiFi Relay: Improving VoIP Quality for WiFi Users
2010 IEEE International Conference on Communications, 2010Voice over Internet (VoIP) has been experiencing enormous growth in recent years. While posed to replace traditional PSTN for both enterprise and residential customers, VoIP has yet to achieve the same level of quality and reliability as PSTN. One key challenge is that a growing segment of customers is increasingly relying on WiFi connections.
Amit Mondal +4 more
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