Synchronization of pulse-coupled biological oscillators
SIAM Journal on Applied Mathematics
Pulse-coupled decentral synchronization
SIAM Journal on Applied Mathematics
Self-Organization of Pulse-Coupled Oscillators with Application to Clustering
IEEE Transactions on Pattern Analysis and Machine Intelligence
Self-Organization in Biological Systems
Self-Organization in Biological Systems
Sync: The Emerging Science of Spontaneous Order
Sync: The Emerging Science of Spontaneous Order
Decentralized synchronization protocols with nearest neighbor communication
SenSys '04 Proceedings of the 2nd international conference on Embedded networked sensor systems
Firefly-inspired sensor network synchronicity with realistic radio effects
Proceedings of the 3rd international conference on Embedded networked sensor systems
Firefly-inspired Heartbeat Synchronization in Overlay Networks
SASO '07 Proceedings of the First International Conference on Self-Adaptive and Self-Organizing Systems
Firefly clock synchronization in an 802.15.4 wireless network
EURASIP Journal on Embedded Systems - Challenges on complexity and connectivity in embedded systems
Emergent Slot Synchronization in Wireless Networks
IEEE Transactions on Mobile Computing
Scalable Network Synchronization with Pulse-Coupled Oscillators
IEEE Transactions on Mobile Computing
A scalable synchronization protocol for large scale sensor networks and its applications
IEEE Journal on Selected Areas in Communications
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Solutions for time synchronization based on coupled oscillators operate in a self-organizing and adaptive manner and can be applied to various types of dynamic networks. The basic idea was inspired by swarms of fireflies, whose flashing dynamics shows an emergent behavior. This article introduces such a synchronization technique whose main components are “inhibitory coupling” and “self-adjustment.” Based on this new technique, a number of contributions are made. First, we prove that inhibitory coupling can lead to perfect synchrony independent of initial conditions for delay-free environments and homogeneous oscillators. Second, relaxing the assumptions to systems with delays and different phase rates, we prove that such systems synchronize up to a certain precision bound. We derive this bound assuming inhomogeneous delays and show by simulations that it gives a good estimate in strongly-coupled systems. Third, we show that inhibitory coupling with self-adjustment quickly leads to synchrony with a precision comparable to that of excitatory coupling. Fourth, we analyze the robustness against faulty members performing incorrect coupling. While the specific precision-loss encountered by such disturbances depends on system parameters, the system always regains synchrony for the investigated scenarios.