Many existing protocols indicate that full utilization and fairness might be incompatible in high-speed-high-latency MANs or LANs. The purpose of this paper is to study the fundamental limitations of dual bus networks, in terms of full utilization, fairness and bounded access delay. A new protocol called FUFA (fully utilized and fair) is used to demonstrate some of these basic properties. We de...

81 Abstract—According to the fact that network is a class of discrete event system. Discrete-event simulation tool SimEvents is used to build network dynamic model so as to simulate network-induced delay and packet dropout in networked control systems. The concept of round trip time is introduced to estimate network-induced delay, which is compensated by Smith compensator. By using the control ...

We study the effect of coupling delay in a regular network with a ring topology and in a more complex network with an all-to-all (global) topology in the presence of impurities (disorder). We find that the coupling delay is capable of inducing phase-coherent chaotic oscillations in both types of networks, thereby enhancing the spatiotemporal complexity even in the presence of 50% of symmetric d...

The network induced delay seriously effect the real-time and stability of CAN bus networked control systems. In this article, the structure of CAN bus NCS was analyzed, meanwhile studied the cause and integral part of delay. Then adopted TrueTime to build simulation model of CAN bus NCS. Discussed the effects of CAN bus network delay on performance of control system in three cases. Then drew a ...

Considering that time delay (delay) is a common phenomenon in biological systems, reaction-diffusion equations with are widely used to study the dynamic mechanism of those which can induce loss stability and degradation performance. In this paper, taking into account inhomogeneous distribution species space be considered as random network, pattern dynamics prey-predator network system diffusion...

designing wireless sensor networks should meet appropriate parameters such as quality of service (qos) defined by different users. the variable physical conditions of the environment, processing and transmission power limitations and limited communication capabilities are the most important obstacles that influence qos parameters such as throughput, delay, reliability and network lifetime. the ...