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IJNSEC
2006
143views more  IJNSEC 2006»
15 years 4 months ago
Password Authentication Schemes: Current Status and Key Issues
Password authentication is one of the simplest and the most convenient authentication mechanisms to deal with secret data over insecure networks. It is more frequently required in...
Chwei-Shyong Tsai, Cheng-Chi Lee, Min-Shiang Hwang
CORR
2007
Springer
104views Education» more  CORR 2007»
15 years 4 months ago
Observable Graphs
An edge-colored directed graph is observable if an agent that moves along its edges is able to determine his position in the graph after a sufficiently long observation of the edge...
Raphael M. Jungers, Vincent D. Blondel
JCM
2008
104views more  JCM 2008»
15 years 4 months ago
An OFDM Symbol Design for Reduced Complexity MMSE Channel Estimation
In this paper we revisit the minimum mean square error (MMSE) pilot-aided channel estimation for broadband orthogonal frequency division multiplexing (OFDM) systems. The careful de...
Carlos Ribeiro, Atílio Gameiro
CORR
2007
Springer
77views Education» more  CORR 2007»
15 years 4 months ago
Numerical removal of water-vapor effects from THz-TDS measurements
— One source of disturbance in a pulsed T-ray signal is attributed to ambient water vapor. Water molecules in the gas phase selectively absorb T-rays at discrete frequencies corr...
Withawat Withayachumnankul, Bernd M. Fischer, Samu...
JUCS
2008
143views more  JUCS 2008»
15 years 4 months ago
Defining Tasks, Domains and Conversational Acts in CSCW Systems: the SPACE-DESIGN Case Study
: Most of the current academic and professional work requires collaboration between the members of a working group. Groupware tools play a prevailing role in supporting this collab...
Rafael Duque, Jesús Gallardo, Crescencio Br...