898 search results - page 121 / 180 » Wireless underground sensor networks: Research challenges |
DCOSS
2006
Springer
14 years 15 days ago
2006
Springer
Improving network lifetime is a fundamental challenge of wireless sensor networks. One possible solution consists in making use of mobile sinks. Whereas theoretical analysis shows...
SASN
2006
ACM
14 years 2 months ago
2006
ACM
Denial-of-Service (DoS) and Distributed DoS (DDoS) attacks can cause serious problems in wireless networks due to its limited network/host resources. Attacker traceback is a promi...
ESAS
2007
Springer
14 years 3 months ago
2007
Springer
Abstract. Securing wireless mobile ad hoc networks (MANETs) is challenging due to the lack of centralized authority and poor connectivity. A key distribution mechanism is central t...
ICCSA
2007
Springer
14 years 3 months ago
2007
Springer
Information aggregation is an important operation in wireless sensor networks executed for the purpose of monitoring and reporting of the environmental data. Due to the performance...
WICON
2008
13 years 10 months ago
2008
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...