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This paper investigates the different empirical propagation models for the next mobile generation known as the Long Term Evolution - Advanced (LTE-A) in the 2GHz band‥ The effects of the propagation models are analyzed in urban, suburban and rural environments by using Monte-Carlo statistical methodology. The Joint Task Group 5–6 (JTG5-6) propagation model is discussed in the paper along with the...
In this paper, we evaluate, analyze, and compare the impact of mobility on the behavior of three reactive protocols (AODV, DSR, DYMO) and three proactive protocols (DSDV, FSR, OLSR) in multi-hop wireless networks. We take into account throughput, end-to-end delay, and normalized routing load as performance parameters. Based upon the extensive simulation results in NS-2, we rank all of six protocols...
To deliver streaming video over wireless networks is an important component for most interactive multimedia applications running on personal wireless handset devices. Delay variation of packets due to network congestion with the high bit error rate lessens the quality of video at the handheld device. We present several efficient mechanisms for improving the quality of service (QoS) delivered to the...
The DSRC standard gives the provision to process messages in XML format instead of the default binary encoding scheme. Although, use of XML encoding provides flexibility, it also introduces bandwidth communication overhead since the message size will increase and end to end communication delay since processing time will also increase. There are many proposed XML compression algorithms to decrease...
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