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MM
2004
ACM
97views Multimedia» more  MM 2004»
14 years 1 months ago
Security of human video objects by incorporating a chaos-based feedback cryptographic scheme
Security of multimedia files attracts more and more attention and many encryption methods have been proposed in literature. However most cryptographic systems deal with multimedia...
Paraskevi K. Tzouveli, Klimis S. Ntalianis, Stefan...
ISCAS
2003
IEEE
99views Hardware» more  ISCAS 2003»
14 years 1 months ago
Continuous-time, frequency translating, bandpass delta-sigma modulator
This paper introduces the concept of frequency-translating, bandpass delta-sigma modulator in continuous-time. The system level design and simulation results of the deltasigma mod...
Anurog Pulincherry, Mike Hufford, Eric Naviasky, U...
TSP
2008
132views more  TSP 2008»
13 years 7 months ago
Differential Modulations for Multinode Cooperative Communications
Abstract--This paper proposes and analyzes differential modulation schemes for two cooperation protocols in multinode cooperative wireless networks; namely, multinode differential ...
Thanongsak Himsoon, W. Pam Siriwongpairat, Weifeng...
VTC
2008
IEEE
102views Communications» more  VTC 2008»
14 years 2 months ago
CQI Feedback Reduction Based on Spatial Correlation in OFDMA System
— In OFDMA systems, channel quality information (CQI) feedback is used to determine the modulation and coding level of a mobile station (MS). When the MS uses diversity, it trans...
Woongsup Lee, Dong-Ho Cho
IJCAI
1993
13 years 9 months ago
A Parameterised Module System for Constructing Typed Logic Programs
The paper is concerned with the design of a module system for logic programming so as to satisfy many of the requirements of software en­ gineering. The design is based on the la...
Patricia M. Hill