A system to prevent subscription fraud in fixed telecommunications with high impact on long-distance carriers is proposed. The system consists of a classification module and a pre...
Quantization index modulation (QIM) techniques have been gaining popularity in the data hiding community because of their robustness and information-theoretic optimality against a...
Abstract—In a multiple-input multiple-output (MIMO) multiband orthogonal frequency division multiplexing (MB-OFDM) ultra-wideband (UWB) system, coherent detection where the chann...
Abstract. In today’s world, document management plays an increasingly important role. However, there is currently no solution to manage complex documents in an integrated manner....
Christian Tilgner, Dietrich Christopeit, Klaus R. ...
— We present a field programmable gate array (FPGA) implementation of a turbo-like decoder for a serially concatenated pulse-position modulation (SCPPM) code. NASA developed thi...
Michael K. Cheng, Bruce E. Moision, Jon Hamkins, M...