84 search results - page 1 / 17 » Proximity Sensing Using IEEE 802.15.4 Radios |
EUROSSC
2006
Springer
13 years 8 months ago
2006
Springer
Accurately determining the location of devices is a key challenge in contextual smart sensing. This poster describes how IEEE 802.15.4 radios can be used for accurate proximity sen...
ICCCN
2007
IEEE
13 years 11 months ago
2007
IEEE
Abstract— This paper proposes a simple yet efficient localization algorithm for GPS-free sensor nodes in wireless sensor networks (WSN). Our approach is hybrid in the sense that...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
In this paper we present a novel Radio Frequency Identification (RFID) system for accurate indoor localization. The system is composed of a standard Ultra High Frequency (UHF), I...
CISS
2008
IEEE
13 years 11 months ago
2008
IEEE
Abstract— Quickest detection is applied to frequency spectrum sensing in cognitive radio systems. Distribution change in frequency domain is detected for vacating secondary radio...
CVPR
2010
IEEE
13 years 6 months ago
2010
IEEE
The primary and novel contribution of this work is the conjecture that large collections of georeferenced photo collections can be used to derive maps of what-is-where on the surf...