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HICSS
2002
IEEE
68views Biometrics» more  HICSS 2002»
15 years 2 months ago
Framing Virtual Interactivity between Government and Citizens: A Study of Feedback Systems in the Chicago Police Department
This paper considers the current efforts to describe the effect of Internet-based technology on interactivity between citizens and public organizations to be incomplete and poorly...
Shelley Fulla, Eric W. Welch
ICC
2009
IEEE
143views Communications» more  ICC 2009»
14 years 7 months ago
Throughput Improvement through Precoding in OFDMA Systems with Limited Feedback
In this paper, we study the possibility of throughput improvement through precoding in OFDMA based wireless systems with limited channel feedback. Precoding can increase the overal...
Sameh Sorour, Amin Alamdar Yazdi, Shahrokh Valaee,...
VTC
2007
IEEE
133views Communications» more  VTC 2007»
15 years 4 months ago
On the Secrecy Capabilities of ITU Channels
— We consider the secrecy inherent in the reciprocal nature of multipath fading channels and present a technique to generate a shared perfectly secret key by two terminals observ...
Chunxuan Ye, Alex Reznik, Gregory Sternburg, Yogen...
FC
2006
Springer
153views Cryptology» more  FC 2006»
15 years 1 months ago
Revisiting Oblivious Signature-Based Envelopes
Secure, anonymous and unobservable communication is becoming increasingly important due to the gradual erosion of privacy in many aspects of everyday life. This prompts the need f...
Samad Nasserian, Gene Tsudik
EUROCRYPT
2000
Springer
15 years 1 months ago
Information-Theoretic Key Agreement: From Weak to Strong Secrecy for Free
One of the basic problems in cryptography is the generation of a common secret key between two parties, for instance in order to communicate privately. In this paper we consider in...
Ueli M. Maurer, Stefan Wolf