نتایج جستجو برای: network topology design
تعداد نتایج: 1592704 فیلتر نتایج به سال:
Many works have been done on improving the performance of the ad-hoc networks, in which a stringent issue is concentrated on proper topology establishment with least link connections due to the cost considerations. In this paper, a generic method based on network topology design, called “the spider network topology” is proposed to achieve link cost reduction between distinct nodes communication...
An optimised logical topology facilitates the sensors of a network to communicate with each other with little overheads, lower energy consumption, and reduced latency. It also lengthens the lifetime of the network, provides scalability, and increases reliability in communications. However, designing an optimal logical topology for wireless sensor networks requires considering numerous factors. ...
Over the last decade there has been significant interest and attention devoted towards understanding the complex structure of the Internet, particularly its topology and the large-scale properties that can be derived from it. While recent work by empiricists and theoreticians has emphasized certain statistical and mathematical properties of network structure, this article presents an optimizati...
The topology of a network seriously affects its cost, reliability, throughput, and traffic pattern, etc, so we need to simultaneously consider these multiple criteria, which have different units, when evaluating network topologies. However, ordinary methods of network topology design considered only a single criterion. DEA (data envelopment analysis) enables us to simultaneously evaluate multip...
We investigate possible options of creating a Dragonfly topology capable of accommodating a specified number of end-points. We first observe that any Dragonfly topology can be described with two main parameters, imbalance and density, dictating the distribution of routers in groups, and the inter-group connectivity, respectively. We then introduce an algorithm that generates a dragonfly topolog...
The paper gives an overview on the DSPL programming environment, an integrated approach to automate system design and implementation of applications run on dedicated parallel systems. The programming environment consists of a data-ow language and an integrated set of tools. The tools automatically derive a software model from the given application program, compute the design decisions as the ne...
For brushless motor drives, current control is often used to improve performance and reliability. This tutorial paper analyzes and compares various different schemes of electronic commutation and current control. Starting from a simple 6-step drive without current control, discussion will include bus current control, sinusoidal commutation, phase current control, and synchronous regulator. Rela...
The key requirement to routing in any telecommunication network, and especially in Internet-of-Things (IoT) networks, is scalability. Routing must route packets between any source and destination in the network without incurring unmanageable routing overhead that grows quickly with increasing network size and dynamics. Here we present an addressing scheme and a coupled network topology design s...
Wireless sensor network security is the guarantee of the task execution confidentiality, data reliability, data fusion, and the security of data transmission. This paper analyzes security problems in wireless sensor network MAC protocol at present. The aim of topology control is through the transmission range control nodes to generate network topology satisfying certain properties, in order to ...
The design of network protocols is greatly accelerated by the use of simulators particularly when studying a protocol’s behavior in a large internetwork topology. However the accuracy of the simulation results are heavily affected by the input network topology. As taking a real map as an input is not always feasible, artificially created topologies are often used. There exist many network topol...
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