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Performance Investigation of IEEE 802.11af Systems Under Realistic Channel Conditions

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Performance investigation of IEEE 802.11af systems under realistic channel conditions.pdf (298.5Kb)
Date
2015
Author
Macit, Mustafa Can
Şenol, Habib
Erküçük, Serhat
Abstract
As the analog TV broadcasting channels have become less frequently used in the last decade there has been a great interest in these frequency bands for the deployment of metropolitan local and personal area networks. Among them the local area network standard IEEE 802.11af defines PHY and MAC layer implementation of such networks in these unused frequency bands also named television white space (TVWS). According to the standard the systems may use contiguous or non-contiguous channels during their operation depending on the channel availability. In this paper we investigate in detail the performance of different operation modes of these systems under realistic channel conditions. While the perfect knowledge of channel would result in similar system performances as the number of in-between-bands occupying the non-contiguous modes is increased the channel estimation performance degrades drastically which is quantified in this study. In addition it is shown that determining the true locations of multipaths heavily relies on the selected channel resolution and has a significant effect on the system performance. Numerical examples are given to demonstrate the effects of both the non-contiguous operation modes and the selected channel resolution.

Source

2015 International Wireless Communications & Mobile Computing Conference (IWCMC)

Pages

431-435

URI

https://hdl.handle.net/20.500.12469/622
https://dx.doi.org/10.1109/IWCMC.2015.7289122

Collections

  • Araştırma Çıktıları / Scopus [1565]
  • Araştırma Çıktıları / WOS [1518]
  • Bilgisayar Mühendisliği / Computer Engineering [188]
  • Elektrik-Elektronik Mühendisliği / Electrical - Electronics Engineering [321]

Keywords

TV white space (TVWS)
IEEE 802.11af
Multi-channel operation modes
System performance
Channel estimation

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DSpace software copyright © 2002-2015  DuraSpace
Contact Us | Send Feedback
Theme by 
@mire NV