Sciweavers

636 search results - page 28 / 128
» High-efficiency power amplifier for wireless sensor networks
Sort
View
ADHOC
2007
100views more  ADHOC 2007»
13 years 7 months ago
A GPS-less, outdoor, self-positioning method for wireless sensor networks
One challenging issue in sensor networks is to determine where a given sensor node is physically located. This problem is especially crucial for very small sensor nodes. This pape...
Hung-Chi Chu, Rong-Hong Jan
TMC
2012
11 years 10 months ago
Fast Data Collection in Tree-Based Wireless Sensor Networks
—We investigate the following fundamental question—how fast can information be collected from a wireless sensor network organized as tree? To address this, we explore and evalu...
Özlem Durmaz Incel, Amitabha Ghosh, Bhaskar K...
ICWN
2008
13 years 9 months ago
Reliability Challenges and Enhancement Approaches for Pipeline Sensor and Actor Networks
- Sensor and actor networks are used to monitor and control pipeline infrastructures. This paper discusses and compares different sensor and actor network architectures for water, ...
Nader Mohamed, Imad Jawhar, Khaled Shuaib
EWSN
2008
Springer
14 years 7 months ago
Lifetime Maximization in Wireless Sensor Networks by Distributed Binary Search
We consider the problem of determining the transmission power assignment that maximizes the lifetime of a data-gathering wireless sensor network with stationary nodes and static tr...
André Schumacher, Harri Haanpää, ...
CNSR
2008
IEEE
151views Communications» more  CNSR 2008»
14 years 2 months ago
Discrete Model to Estimate Lifetime of a Wireless Sensor Network for Audio Storage
— Wireless sensor networks (WSNs) can be used to record and store audio data at remote and inaccessible places. However, audio data adds an additional concern to the design of th...
Sajid Hussain, Patrick Drane, Michael Mallinson