Sciweavers

4690 search results - page 627 / 938
» An operational semantics for Scheme
Sort
View
196
Voted
ACSAC
2007
IEEE
16 years 1 months ago
Centralized Security Labels in Decentralized P2P Networks
This paper describes the design of a peer-to-peer network that supports integrity and confidentiality labeling of shared data. A notion of data ownership privacy is also enforced...
Nathalie Tsybulnik, Kevin W. Hamlen, Bhavani M. Th...
ICC
2007
IEEE
125views Communications» more  ICC 2007»
16 years 1 months ago
A Novel Concept: Message Driven Frequency Hopping (MDFH)
—Frequency hopping systems have been widely used in military communications to prevent hostile jamming, interception and detection. In traditional frequency hopping (FH) systems,...
Qi Ling, Tongtong Li, Zhi Ding
204
Voted
ICC
2007
IEEE
119views Communications» more  ICC 2007»
16 years 1 months ago
Inter-Symbol Interference Mitigation in High-Data-Rate UWB Systems
— The design of ultra-wideband (UWB) impulse radio receivers has to cope with complex signal propagation environments with dense multipath fading, which complicate channel estima...
Vincenzo Lottici, Lin Wu, Zhi Tian
151
Voted
ICC
2007
IEEE
16 years 1 months ago
TOA Estimation with Pulses of Unknown Shape
—This paper investigates time of arrival estimation via impulse radio ultra-wideband technology. A dense multipath channel is assumed and frequency-selective propagation effects ...
Antonio A. D'Amico, Umberto Mengali, Lorenzo Tapon...
176
Voted
ICC
2007
IEEE
16 years 1 months ago
Fault-Tolerant Manycast to Mobile Destinations in Sensor Networks
Manycast is a group communication primitive wherein the source is required to send data packets to a certain number of a given set of destinations. In this article, we design faul...
Xianjin Zhu, Himanshu Gupta