نتایج جستجو برای: transmission delay
تعداد نتایج: 367184 فیلتر نتایج به سال:
In this paper, we introduce a comprehensive packet delay analysis for wireless networks based on IEEE 802.11 Distributed Coordination Function (DCF). We develop mathematical models that calculate a set of packet delay metrics, namely a) the average packet delay for successfully transmitted packets, b) the average packet delay of successfully transmitted packets experiencing a specific number of...
A novel and efficient method for transient analysis of interconnect systems is presented. The method is based on the scattering parameter technique. By extracting the propagation delay of the lossy transmission line and developing an efficient network reduction method, we compute the lower order model of the interconnect system for evaluating the exponentially charging time, keeping track of ti...
This method describes methods that utilize TDR measurements of multiple, unterminated test lines that are designed to differ only in length. A TDR signal, usually a step waveform1, is injected into a transmission line or lines and the reflection response is measured some time later. This method shows how tD is determined as the difference between the time it takes a TDR pulse to reflect from th...
In networked control systems, time delay and data dropout can degrade the performance of the control system and even destabilize the system. In the present paper, the Extended Kalman filter is employed to compensate the effects of time delay and data dropout in feedforward and feedback paths of networked control systems. In the proposed method, the extended Kalman filter is used as an observer ...
Abstract Vehicular Ad Hoc Network (VANET) is a particular type of mobile ad hoc network in which vehicles communicate between themselves using wireless antenna. Due to unique characteristics of VANETs (e.g. high mobility of nodes and dynamic topology), routing is one of the challenging tasks in such networks. Consequently, delay tolerant networks which consider the disconnect nature of...
Multimedia streaming applications consume significant amounts of server and network resources due to the high bandwidth requirements and long durations of audio and video clips. For popular videos, periodic broadcast techniques exploit the client’s buffer space and network reception bandwidth capabilities to reduce server and network transmission bandwidth requirements. In this paper, we system...
A macromodeling and timing simulation technique is presented that allows fast, accurate delay calculations for CMOS circuits. This method is well suited for delay calculations of regular structure VLSI circuits, as well as circuits designed from standard cell libraries. Timing models for both logic gate and transmission gate circuit forms are developed. For logic gates, output transition time a...
In the traditional information transmission through a network, an intermediate node was only allowed to duplicate input information and output the duplication. In contrast, in the transmission with the network coding, an intermediate node is able to code the input information from multiple links and outputs the coded information. The multicast using the network coding can achieve higher informa...
Multipath transmission which uses multiple paths for data transfer has been used in wireless networks to improve the performance of end-to-end transmission. However, wireless networks suffer from high packet loss rate, variations in end-to-end delay and available bandwidth. Hence, the Forward Error Correction (FEC) mechanism has been proposed to recover lost packets by adapting to the changing ...
providing a high-quality service for transmission and playing real-time voice conversations (voice streaming) over wireless ad-hoc networks is no mean feat. buffering together with adjusting the playout time of the packets is a receiver-side solution to overcome this challenge. in this paper, a new adaptive playout adjustment algorithm is proposed to stream the voice conversations over wireless...
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