NDLI: Analysis of the Impact of WiMAX-OFDM Interference on Multiband OFDM

Content Provider	IEEE Xplore Digital Library
Author	Snow, C. Lampe, L. Schober, R.
Copyright Year	2007
Description	Author affiliation: British Columbia Univ., Vancouver (Snow, C.; Lampe, L.; Schober, R.)
Abstract	This paper presents an analysis of the performance of the multiband orthogonal frequency division multiplexing (MB-OFDM) system for ultra wideband (UWB) communication in the presence of interference from an IEEE 802.16 WiMAX-OFDM system operating in the 3.5 GHz band. Recent work (Hu & Beaulieu, IEEE Trans. Commun., Oct. 2006) has demonstrated accurate Gaussian approximations for narrowband OFDM interference to time-hopping and direct-sequence UWB victim receivers, but little analysis has been done for MB-OFDM. Because of the significant differences in signal model and receiver design, it is also not clear that such Gaussian approximations hold for MB-OFDM victim receivers. Motivated by this question, we present an exact analysis of the uncoded bit error rate (BER) of the MB-OFDM system, based on Laplace transform techniques. We also present a simple but accurate Gaussian approximation for the WiMAX-OFDM interference, and confirm both the exact and approximate analysis via simulations. We find that, depending on the signal-to-interference ratio, interference from WiMAX-OFDM systems may have a substantial impact on the performance of MB-OFDM. However, the approximately Gaussian nature of the interference signal gives hope for the development of simple interference detection and mitigation techniques.
Starting Page	761
Ending Page	766
File Size	5784258
Page Count	6
File Format	PDF
ISBN	9781424405206
DOI	10.1109/ICUWB.2007.4381046
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-24
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Laplace equations OFDM Bit error rate Interference WiMAX Performance analysis Gaussian approximation Signal design Ultra wideband technology Narrowband
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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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