Sciweavers

ADHOC
2011
13 years 6 months ago
Evaluation and design of beaconing in mobile wireless networks
One of the intrinsic problems of mobility in wireless networks is the discovery of mobile nodes. A widely used solution for this problem is to use different variations of beacons, ...
Abbas Nayebi, Gunnar Karlsson, Hamid Sarbazi-Azad
TPDS
2008
157views more  TPDS 2008»
13 years 11 months ago
Distributed Localization Using a Moving Beacon in Wireless Sensor Networks
The localization of sensor nodes is a fundamental problem in sensor networks and can be implemented using powerful and expensive beacons. Beacons, the fewer the better, can acquire...
Bin Xiao, Hekang Chen, Shuigeng Zhou
WICON
2008
14 years 26 days ago
Risk-aware beacon scheduling for tree-based ZigBee/IEEE 802.15.4 wireless networks
In a tree-based ZigBee network, ZigBee routers (ZRs) must schedule their beacon transmission times to avoid beacon collisions. The beacon schedule determines packet delivery laten...
Li-Hsing Yen, Yee Wei Law, Marimuthu Palaniswami
ICRA
2002
IEEE
100views Robotics» more  ICRA 2002»
14 years 4 months ago
Preliminary Results in Range-Only Localization and Mapping
This paper presents methods of localization using cooperating landmarks (beacons) that provide the ability to measure range only. Recent advances in radio frequency technology mak...
George Kantor, Sanjiv Singh
MIDDLEWARE
2004
Springer
14 years 4 months ago
Guiding Queries to Information Sources with InfoBeacons
The Internet provides a wealth of useful information in a vast number of dynamic information sources, but it is difficult to determine which sources are useful for a given query. ...
Brian F. Cooper
DBISP2P
2004
Springer
70views Database» more  DBISP2P 2004»
14 years 4 months ago
Using Information Retrieval Techniques to Route Queries in an InfoBeacons Network
We present the InfoBeacons system, in which a peer-to-peer network of beacons cooperates to route queries to the best information sources. The routing in our system uses techniques...
Brian F. Cooper
ISMAR
2006
IEEE
14 years 5 months ago
Performance analysis of an outdoor augmented reality tracking system that relies upon a few mobile beacons
We describe and evaluate a new tracking concept for outdoor Augmented Reality. A few mobile beacons added to the environment correct errors in head-worn inertial and GPS sensors. ...
Ronald Azuma, Howard Neely, Mike Daily, Jon Leonar...
VTC
2007
IEEE
133views Communications» more  VTC 2007»
14 years 5 months ago
Detecting Movement of Beacons in Location-Tracking Wireless Sensor Networks
—Localization is a critical issue in wireless sensor networks. In most localization schemes, there are beacons being placed as references to determine the positions of objects or...
Sheng-Po Kuo, Hsiao-Ju Kuo, Yu-Chee Tseng, Yueh-Fe...
ICC
2007
IEEE
153views Communications» more  ICC 2007»
14 years 5 months ago
A Walking Beacon-Assisted Localization in Wireless Sensor Networks
—The localization of the sensor node is a fundamental problem in sensor networks and can be implemented using powerful and expensive beacons. Beacons, the fewer the better, can a...
Bin Xiao, Hekang Chen, Shuigeng Zhou
ICRA
2008
IEEE
116views Robotics» more  ICRA 2008»
14 years 5 months ago
A pure probabilistic approach to range-only SLAM
— Range-Only SLAM represents a difficult problem due to the inherent ambiguity of localizing either the robot or the beacons from distance measurements only. Most previous appro...
Jose-Luis Blanco, Javier Gonzalez, Juan-Antonio Fe...