898 search results - page 110 / 180 » Wireless underground sensor networks: Research challenges |
149
click to vote
ITNG
2006
IEEE
16 years 6 days ago
2006
IEEE
Sensor networks have emerged as an interesting and important research area in the last few years. In order to construct a wireless sensor network, synchronization of base stations...
277
click to vote
SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
Monitoring extreme values (MAX or MIN) is a fundamental problem in wireless sensor networks (and in general, complex dynamic systems). This problem presents very different algorit...
183
click to vote
SASN
2003
ACM
15 years 11 months ago
2003
ACM
In this paper we present SECTOR, a set of mechanisms for the secure verification of the time of encounters between nodes in multi-hop wireless networks. This information can be u...
177
click to vote
MOBIHOC
2002
ACM
16 years 5 months ago
2002
ACM
This paper investigates two fundamental characteristics of a wireless multihop network: its minimum node degree and its k?connectivity. Both topology attributes depend on the spat...
156
click to vote
DSD
2007
IEEE
16 years 16 days ago
2007
IEEE
Abstract—Localization is one of the most challenging and important issues in wireless sensor networks (WSNs), especially if cost-effective approaches are demanded. In this paper,...