Sciweavers

5604 search results - page 553 / 1121
» Becoming Increasingly Reliable
Sort
View
IRI
2008
IEEE
16 years 1 months ago
Development of an evaluation model for Question Answering Systems
Question Answering Systems (QAS) are receiving increasing attention from information systems researchers, particularly those in the information retrieval and natural language proc...
Chorng-Shyong Ong, Min-Yuh Day, Wen-Lian Hsu
MOBIQUITOUS
2008
IEEE
16 years 1 months ago
Modeling of the channel-hopping anti-jamming defense in multi-radio wireless networks
Multi-radio (multi-interface, multi-channel) 802.11 and sensor networks have been proposed to increase network capacity and to reduce energy consumption, to name only a few of the...
Sherif M. Khattab, Daniel Mossé, Rami G. Me...
PIMRC
2008
IEEE
16 years 1 months ago
Radio-Triggered Wake-ups with Addressing Capabilities for extremely low power sensor network applications
Sensor network applications are generally characterized by long idle durations and intermittent communication patterns. The traffic loads are typically so low that overall idle d...
Junaid Ansari, Dmitry Pankin, Petri Mähö...
WCNC
2008
IEEE
16 years 1 months ago
On Energy-Efficient and Low-Latency Medium Access Control in Wireless Sensor Networks
Abstract— In wireless sensor networks, one of the big challenges is to achieve a satisfactory network lifetime while meeting quality of service (QoS) requirements. In this paper,...
Zhiwen Wan, Jinsong Zhang, Hao Zhu, Kia Makki, Nik...
BROADNETS
2007
IEEE
16 years 1 months ago
Modeling and performance analysis of an improved DCF-based mechanism under noisy channel
The ISM free-licence band is highly used by wireless technologies such IEEE 802.11, Bluetooth as well as private wireless schemes. This huge utilisation increases dramatically the ...
Adlen Ksentini, Marc Ibrahim