We use concepts from communication theory to characterize information hiding schemes: the amount of information that can be hidden, its perceptibility, and its robustness to removal can be modeled using the quantities channel capacity, signal-to-noise ratio, and jamming margin. We then introduce new information hiding schemes whose parameters can easily be adjusted to trade o capacity, impercep...

We use concepts from communication theory to characterize information hiding schemes: the amount of information that can be hidden, its perceptibility, and its robustness to removal can be modeled using the quantities channel capacity, signal-to-noise ratio, and jamming margin. We then introduce new information hiding schemes whose parameters can easily be adjusted to trade oo capacity, imperce...

Many network information theory problems face the similar difficulty of single-letterization. We argue that this is due to the lack of a geometric structure on the space of probability distribution. In this paper, we develop such a structure by assuming that the distributions of interest are close to each other. Under this assumption, the K-L divergence is reduced to the squared Euclidean metri...

In this paper, we address the problem of countering the control channel jamming in wireless communication systems. Targeting control traffic on a system like GSM (e.g., BCCH channel) leads to smart attacks that are four orders of magnitude more efficient than blind jamming. We propose several schemes based on coding theory and its applications that can counter both external and internal attacke...

A multiplicativity conjecture for quantum communication channels is formulated, validity of which for the values of parameter p close to 1 is related to the solution of the fundamental problem of additivity of the channel capacity in quantum information theory. The proof of the conjecture is given for the case of natural numbers p.

diversity, accessibility and reliability are the three main factors governing the adoption of information sources by farmers in rural areas. based on the research hypothesis, the existing knowledge and information delivery system in the agricultural sector, functions far below the ever changing nature and tangible needs of existing farming systems. the main objective in this study is to determi...

There is analyzed a performance of optimal feedback communication systems with the analog transmitters in the forward channel (AFCS). It is shown that the measures and limit boundaries of AFCS performance are similar but differ from those used in digital communications and information theory. The causes of the differences are discussed.

Information-theoretic studies on the fundamental limits of communication over wireless fading channels typically rely on simplifying assumptions, such as perfect channel state information (CSI), infinite blocklength, and vanishing probability of error. Although these assumptions are reasonable for most of the current wireless communication systems, they may be inaccurate for next-generation wir...