NDLI: Performance investigation of IEEE 802.11af systems under realistic channel conditions

Content Provider	IEEE Xplore Digital Library
Author	Macit, M.C. Senol, H. Erkucuk, S.
Copyright Year	2015
Description	Author affiliation: Dept. of Comput. Eng., Kadir Has Univ., Istanbul, Turkey (Senol, H.) \|\| Dept. of Electr.-Electron. Eng., Kadir Has Univ., Istanbul, Turkey (Macit, M.C.; Erkucuk, S.)
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.
Starting Page	431
Ending Page	435
File Size	293741
Page Count	5
File Format	PDF
e-ISBN	9781479953448
DOI	10.1109/IWCMC.2015.7289122
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-08-24
Publisher Place	Croatia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phase shift keying TV channel estimation OFDM multichannel operation modes Channel estimation IEEE 802.11af White spaces system performance Delays Standards TV white space (TVWS)
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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