One of the major requirements of distributed multimedia applications is the need to maintain, often complex, real-time synchronisation constraints. More specifically, it is necessary to be able to manage arbitrary intraand intermedia synchronisation across activities in the distributed environment. Furthermore, it is important that such developments are integrated into emerging object-oriented ...

Synchronisation is an emergent phenomenon observable in nature. Natural synchronising systems have inspired the development of protocols for achieving coordination in a diverse range of distributed dynamic systems. Spontaneously synchronising systems can be mathematically modelled as coupled oscillators. In this paper we present a novel approach using model checking to reason about achieving sy...

In this work a novel synchronisation scheme for chaotic systems is presented. Taking inspiration from the system decomposition approach, the master and slave are connected via a switch which allows to alternate the signal fed into the slave between the master signal and the slave signal itself. The switching frequency has been taken into account as a control parameter to characterise the synchr...

In this work we consider two models of two dimensional discrete systems subjected to three different types of coupling and analyse systematically the performance of each in realising synchronised states. We find that linear coupling effectively introduce control of chaos along with synchronisation, while synchronised chaotic states are possible with an additive parametric coupling scheme both b...

This paper presents methods for synchronisation in the downlink of the FDD and TDD modes of a UMTS system. Space-time processing based on multiple receive antennas is used to suppress co-channel interference caused by other base stations. We develop a detection-based synchronisation procedure exploiting the structure of the respective UMTS mode, for which we present two alternative detection al...

An air-interface architecture to ensure reliable signal acquisition and synchronisation for a narrowband networking waveform is presented. Simulation results show that a relatively simple preamble design can be used to ensure sufficiently reliable estimates of the unknown physical layer synchronisation parameters i.e. phase, frequency offset and timing errors. Results are presented comparing th...

In this paper, we study the effects of spike timing-dependent plasticity on synchronisation in a network of Hodgkin-Huxley neurons. Neuron plasticity is a flexible property of a neuron and its network to change temporarily or permanently their biochemical, physiological, and morphological characteristics, in order to adapt to the environment. Regarding the plasticity, we consider Hebbian rules,...

We have studied neuronal synchronisation in a random network of adaptive exponential integrate-and-fire neurons. We study how spiking or bursting synchronous behaviour appears as a function of the coupling strength and the probability of connections, by constructing parameter spaces that identify these synchronous behaviours from measurements of the inter-spike interval and the calculation of t...

We investigate the performance of barrier synchronisation on both shared-memory and distributed-memory architectures, using a wide range of techniques. The performance results obtained show that distributed-memory architectures behave predictably, although their performance for barrier synchronisation is relatively poor. For shared-memory architectures, a much larger range of implementation tec...

The problem of hand tracking in the presence of occlusion is addressed. In bimanual movements the hands tend to be synchronised effortlessly. Different aspects of this synchronisation are the basis of our research to track the hands. We propose a Kalman filtering-based dynamic model to catch the movement of the hands. The spatial synchronisation in bimanual movements is modelled by the position...