Sciweavers

NTMS
2009
IEEE
14 years 6 months ago
Enhanced Fractional Frequency Reuse to Increase Capacity of OFDMA Systems
—Inter-cell interference (ICI) mitigation is always a big challenge issue in cellular systems. In this work we propose an Enhanced Fractional Frequency Reuse (EFFR) scheme combin...
Zheng Xie, Bernhard Walke
NTMS
2009
IEEE
14 years 6 months ago
Performance Study of Node Placement for Congestion Control in Wireless Sensor Networks
— Performance of Wireless Sensor Networks (WSNs) can be affected when the network is deployed under different topologies. In this paper we present a performance study of congesti...
Vasos Vassiliou, Charalambos Sergiou
NTMS
2009
IEEE
14 years 6 months ago
Q-ESP: A QoS-Compliant Security Protocol to Enrich IPSec Framework
—IPSec is a protocol that allows to make secure connections between branch offices and allows secure VPN accesses. However, the efforts to improve IPSec are still under way; one ...
Mahmoud Mostafa, Anas Abou El Kalam, Christian Fra...
NTMS
2009
IEEE
14 years 6 months ago
A Comprehensive Reference Architecture for Trustworthy Long-Term Archiving of Sensitive Data
Abstract—It is well known that the suitability of many cryptographic algorithms decreases with time. Hence, it is a challenging task to maintain the integrity, authenticity, conï...
Detlef Hühnlein, Ulrike Korte, Lucie Langer, ...
NTMS
2009
IEEE
14 years 6 months ago
Minimizing Cost of Scalable Distributed Least Squares Localization
—Wireless Sensor Networks (WSNs) have been of high interest during the past couple of years. One of the most important aspects of WSN research is location estimation. As a good s...
Ralf Behnke, Jakob Salzmann, Dirk Timmermann
NTMS
2009
IEEE
14 years 6 months ago
An Adaptive Quantization Algorithm for Secret Key Generation Using Radio Channel Measurements
—New approaches that generate secret keys from radio channel characteristics have been recently proposed. The security of these schemes usually relies on the reciprocity principl...
Sana Tmar Ben Hamida, Jean-Benoît Pierrot, C...