WSNA
2003
ACM
14 years 5 months ago
2003
ACM
Efficiently self organizing a network hierarchy with specific assignment of roles (or tasks) to sensors based on their physical wireless connectivity and sensing characteristics ...
WSNA
2003
ACM
14 years 5 months ago
2003
ACM
WSNA
2003
ACM
14 years 5 months ago
2003
ACM
—In a sensor network, data routing is tightly coupled to the needs of a sensing task, and hence the application semantics. This paper introduces the novel idea of information-dir...
WSNA
2003
ACM
14 years 5 months ago
2003
ACM
In this paper we explore the network level architecture of distributed sensor systems that perform in-network processing. We propose a system with heterogeneous nodes that organiz...
WSNA
2003
ACM
14 years 5 months ago
2003
ACM
One fundamental issue in sensor networks is the coverage problem, which reflects how well a sensor network is monitored or tracked by sensors. In this paper, we formulate this pr...
WSNA
2003
ACM
14 years 5 months ago
2003
ACM
In this paper, we consider efficient authenticated key This work may not be copied or reproduced in whole or in part for any commercial purpose. Permission to copy in whole or in...
WSNA
2003
ACM
14 years 5 months ago
2003
ACM
We consider the problem of synchronization of all clocks in a sensor network, in the regime of asymptotically high node densities. We formulate this problem as one in which all cl...
WSNA
2003
ACM
14 years 5 months ago
2003
ACM
This paper presents lightweight tree-based synchronization (LTS) methods for sensor networks. First, a single-hop, pair-wise synchronization scheme is analyzed. This scheme requir...
WSNA
2003
ACM
14 years 5 months ago
2003
ACM
Wireless sensor networks consist of a large number of tiny sensors that have only limited energy supply. One of the major challenges in constructing such networks is to maintain l...
WSNA
2003
ACM
14 years 5 months ago
2003
ACM
Recent research in sensor networks has raised security issues for small embedded devices. Security concerns are motivated by the deployment of a large number of sensory devices in...