Sciweavers

10809 search results - page 159 / 2162
» Location Based Services
Sort
View
TRIDENTCOM
2006
IEEE
14 years 2 months ago
QUETZAL: qualified ultra-wideband testbed for reduced data-rates and location
— This work presents an UWB testbed for reduced data rates with capabilities of measuring range and location. The transmitter uses Time Hopping spread spectrum codes to reduce th...
Antonio Mollfulleda, M. Nájar, P. Miskovsky...
ICASSP
2010
IEEE
13 years 8 months ago
Ranging energy optimization for robust sensor positioning with collaborative anchors
We propose a sensor positioning scheme for a wireless sensor network consisting of beacons as well as collaborative anchors (CA) to help sensors within a prescribed service area t...
Tao Wang, Geert Leus
IPPS
1998
IEEE
14 years 12 days ago
Thread-Based vs Event-Based Implementation of a Group Communication Service
We evaluate two techniques to implement concurrent events in a group communication service. This evaluation is based on a comparison of the performance measured from two different...
Shivakant Mishra, Rongguang Yang
COMCOM
2010
133views more  COMCOM 2010»
13 years 8 months ago
Measuring long-term location privacy in vehicular communication systems
Vehicular communication systems are an emerging form of communication that enables new ways of cooperation among vehicles, traffic operators, and service providers. However, many ...
Zhendong Ma, Frank Kargl, Michael Weber
IPPS
1998
IEEE
14 years 12 days ago
Performance Analysis of a Fault-Tolerant Scheme for Location Management of Mobile Hosts
We consider the problem of location management of mobile users. The objective is to keep track of the mobile users in order to deliver calls. The IS-41 is a simple strategy for loc...
Saad Biaz, Nitin H. Vaidya