ITCC
2005
IEEE
14 years 5 months ago
2005
IEEE
— Several problems are required to be fixed in order to apply geographical routing protocol Greedy Perimeter Stateless Routing (GPSR) in wireless sensor networks. First, GPSR is...
ITCC
2005
IEEE
14 years 5 months ago
2005
IEEE
has to be relayed to nodes interested in those events. Moreover, nodes may also generate queries to find events they are interested in. Thus there is a need to route the informatio...
ISPAN
2005
IEEE
14 years 5 months ago
2005
IEEE
We present QoS Geometric Broadcast Protocol (QoSGBP), a novel broadcasting protocol for heterogeneous wireless ad hoc and sensor networks. While broadcasting is a very energy-expe...
IPCCC
2005
IEEE
14 years 5 months ago
2005
IEEE
Mobility in wireless sensor networks poses unique challenges to the medium access control (MAC) protocol design. Previous MAC protocols for sensor networks assume static sensor no...
IPCCC
2005
IEEE
14 years 5 months ago
2005
IEEE
Sensor networks are composed of a large number of low power sensor devices. For secure communication among sensors, secret keys must be established between them. The establishment...
INFOCOM
2005
IEEE
14 years 5 months ago
2005
IEEE
—The presence of heterogeneous nodes (i.e., nodes with an enhanced energy capacity or communication capability) in a sensor network is known to increase network reliability and l...
INFOCOM
2005
IEEE
14 years 5 months ago
2005
IEEE
— We investigate the spatial distribution of wireless nodes that can transport a given volume of traffic in a sensor network, while requiring the minimum number of wireless node...
INFOCOM
2005
IEEE
14 years 5 months ago
2005
IEEE
Data dissemination in sensor networks requires four components: resource discovery, route establishment, packet forwarding, and route maintenance. Resource discovery can be the mos...
INFOCOM
2005
IEEE
14 years 5 months ago
2005
IEEE
— The efficiency of sensor networks depends on the coverage of the monitoring area. Although in general a sufficient number of sensors are used to ensure a certain degree of re...
INFOCOM
2005
IEEE
14 years 5 months ago
2005
IEEE
— The establishment of shared cryptographic keys between communicating neighbor nodes in sensor networks is a challenging problem due to the unsuitability of asymmetric key crypt...