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This paper considers an M-member "individual-based" continuous time swarm model with individuals moving with a nutrient profile (or an attractant/repellent) in an n- dimensional space. It is proved that the swarm members aggregate and eventually form a cohesive cluster of finite size for Gaussian Profiles. Moreover, all the swarm members will converge to more favorable areas of the Gaussian...
This paper proposes a fuzzy-logic-based rate adaption scheme named FRA in order to enhance the smoothness of TCP-friendly multicast congestion control (TFMCC). To alleviate oscillation of sending rate for TFMCC sender, FRA introduces five actions for adjusting rate and uses a fuzzy controller to decide which action should be taken according to the feedback information from CLR (current limiting receiver)...
This paper considers a swarm model with an attraction-repulsion function involving variable communication time lags and an attractant/repellent. It is proved that for quadratic attractant/repellent profiles the members of the swarm with time delays will aggregate and form a cohesive cluster of finite size in a finite time. Moreover, all the swarm members will converge to more favorable areas of the...
This paper considers an M-member "individual-based" continuous time swarm model with individuals that moving with a nutrient profile (or an attractant/repellent) in an n-dimensional space. The swarm behavior is a result of a balance between inter-individual interplays as well as the interplays of the swarm agents with their environment. It is proved that the swarm members aggregate and eventually...
Conventional audio scrambling methods use one-dimensional linear congruence mapping in real time. The combination of encrypting parameters of those methods is too less which decreases the security, and the one-dimensional linear congruence mapping is easy to be attacked. To address these problems, a novel audio scrambling algorithm in variable dimension space is presented in this paper. The proposed...
Over the last four decades, particular interest in software complexities is how to measure and control coupling interactions of the various parts of object-oriented (OO) systems. This paper introduces a novel coupling metric, called global coupling metric, to evaluate coupling interactions between classes of object-oriented systems. The metric differs from the majority of existing metrics in two aspects:...
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