نتایج جستجو برای: Loss Packet Ratio

تعداد نتایج: 955609  

Journal: :journal of artificial intelligence in electrical engineering 0

today, one of the new technologies in the modern era is vehicular ad-hoc network which has takenenormous attention in the recent years. because of rapid topology changing and frequent disconnectionmakes it difficult to design an efficient routing protocol for routing data between vehicles, called v2v orvehicle to vehicle communication and vehicle to roadside infrastructure, called v2i. designin...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده آموزشهای الکترونیکی 1391

در این پایان نامه به طراحی شبکه های حسگر بی سیم در ساختمانهای هوشمند می پردازیم و در جهت مقایسه دو پروتکل معروف wi-fi و zigbee به اندازه گیری پارامترهای load و packet loss در این پروتکل پرداخته و با پیاده سازی طراحی در شبیه ساز پتولمی به انتخاب بهترین پروتکل با توجه به داده های حاصل از شبیه سازی اشاره می کنیم

Journal: :journal of advances in computer research 0
reza fotohi department of computer engineering, germi branch, islamic azad university, germi, iran roodabe heydari department of computer engineering, germi branch, islamic azad university, germi, iran shahram jamali department of computer engineering, mohaghegh ardabili university, ardabil, iran

mobile-ad-hoc-networks (manets) are self-configuring networks of mobile nodes, which communicate through wireless links. the infrastructure of a mobile ad hoc network (manet) has no routers for routing, and all nodes must share the same routing protocol to assist each other when transmitting messages. the main issues in manets include the mobility of the network nodes, the scarcity of computati...

In recent years mobile networks have expanded dramatically, compared with other wireless networks. Routing protocols in these networks are designed with the assumption that there is no attacker node, so routing protocols are vulnerable to various attacks in these networks. In this paper, we review the network layer attacks and then we simulate the impact of black hole attack on ad hoc on demand...

Journal: :journal of computer and robotics 0
maryam fathi ahmadsaraei faculty of computer and information technology engineering, qazvin branch, islamic azad university, qazvin, iran abolfazl toroghi haghighat faculty of computer and information technology engineering, qazvin branch, islamic azad university, qazvin, iran

in recent years mobile networks have expanded dramatically, compared with other wireless networks. routing protocols in these networks are designed with the assumption that there is no attacker node, so routing protocols are vulnerable to various attacks in these networks. in this paper, we review the network layer attacks and then we simulate the impact of black hole attack on ad hoc on demand...

2005
Dieter Fiems Herwig Bruneel

We focus on the stochastic properties of the packet loss process of a switch with output buffering. Higher-order packet loss characteristics are important performance measures since the packet loss ratio is often insufficient to assess user perceived quality of service for various types of multimedia streaming applications. Using a probability generating functions approach, we obtain both per b...

Journal: :international journal of smart electrical engineering 2013
mohsen jahanshahi sayyid mohsen houshyar amir reza zare bidaki3

the networked control system in modern control widely uses to decrease the implementation cost and increasing the performance. ncs in addition to its advantages is inevitable. nevertheless they suffer of some limitations and deficiencies. packet loss is one of the main limitations which affect the control system in different conditions and finally may lead to system instability. for this reason...

2014
Pooja Sharma Ajay Kaul M L Garg

Vehicular Adhoc Networks (VANETs) are special type of Mobile Adhoc networks (MANETs) where node movement is in pre ordered fashion but with high velocity in comparison to MANETs where nodes move in random manner. Due to high mobility of nodes, reliable data streaming in vehicular networks is a complex and challenging task. Moreover, transmission of data is difficult because of varying requireme...

2006
Amit Uppal Yul Chu

This paper proposes a dynamic shared-memory packet buffer management algorithm for a protocol processor in a network terminal. The protocol processor is located in a network interface card (NIC). In general, two types of packet buffer management algorithms, static and dynamic, can be used in a NIC; the dynamic buffer management algorithms work better than the static ones for reducing the packet...

2001
András György Tamás Borsos

In this paper we consider the connection between the packet loss ratio (PLR) in a switch with a finite buffer of size L and the tail distribution of the corresponding infinite buffer queue Q. In the literature the PLR is often approximated with the tail probability P(Q > L), and in practice the latter is often a good conservative estimate on the PLR. Therefore, efforts have mainly focused on fi...

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