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MOBICOM
2005
ACM
15 years 5 months ago
Using mobile relays to prolong the lifetime of wireless sensor networks
In this paper we investigate the benefits of a heterogeneous architecture for wireless sensor networks composed of a few resource rich mobile nodes and a large number of simple s...
Wei Wang 0002, Vikram Srinivasan, Kee Chaing Chua
IWCMC
2006
ACM
15 years 5 months ago
Analysis of mobile beacon aided in-range localization scheme in ad hoc wireless sensor networks
In this paper, We mathematically model the In-Range localization scheme in the presence of a Mobile Beacon. In the In-Range localization scheme, a sensor with unknown location is ...
T. V. Srinath, Anil Kumar Katti, V. S. Ananthanara...
MOBISYS
2007
ACM
15 years 11 months ago
Radio interferometric tracking of mobile wireless nodes
Location-awareness is an important requirement for many mobile wireless applications today. When GPS is not applicable because of the required precision and/or the resource constr...
Branislav Kusy, János Sallai, György B...
ICASSP
2009
IEEE
15 years 6 months ago
Semi-definite programming approach to sensor network node localization with anchor position uncertainty
The problem of node localization in a wireless sensor network (WSN) with the use of the incomplete and noisy distance measurements between nodes as well as anchor position informa...
Kenneth Wing-Kin Lui, Wing-Kin Ma, Hing-Cheung So,...
ICUMT
2009
14 years 9 months ago
SBCL - improved centroid estimation
Localization of sensor nodes is one of the key issues in Wireless Sensor Networks. It is a precondition for a variety of applications, as well as geographic clustering and routing....
Ralf Behnke, Jakob Salzmann, Dirk Timmermann