NDLI: Partial FFT Demodulation for MIMO-OFDM Over Time-Varying Underwater Acoustic Channels

Content Provider	IEEE Xplore Digital Library
Author	Jing Han Lingling Zhang Leus, G.
Copyright Year	1994
Abstract	Partial FFT demodulation is a newly-emerging technique to mitigate the inter-carrier interference (ICI) of orthogonal frequency division multiplexing (OFDM) systems over time-varying underwater acoustic channels. In this letter, we extend the partial FFT demodulation method for a single-input single-output (SISO) configuration to the multiple-input multiple-output (MIMO) case. By assuming no channel knowledge, we design an adaptive algorithm which performs sliding-window channel estimation, partial FFT combining and data detection across subcarriers iteratively. Furthermore, a new parameter “residual ICI span” is introduced to counteract the post-combining ICI and provide a better system performance.
Sponsorship	IEEE Signal Processing Society
Starting Page	282
Ending Page	286
Page Count	5
File Size	276311
File Format	PDF
ISSN	10709908
Volume Number	23
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2016-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	OFDM Channel estimation Demodulation Receivers MIMO Frequency response Doppler effect underwater acoustic communications MIMO-OFDM partial FFT time-varying channels
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Signal Processing Electrical and Electronic Engineering

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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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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Partial FFT Demodulation: A Detection Method for Highly Doppler Distorted OFDM Systems

Mitigation of Intercarrier Interference for OFDM Over Time-Varying Underwater Acoustic Channels

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Multiple-Resampling Receiver Design for OFDM Over Doppler-Distorted Underwater Acoustic Channels

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Iterative Carrier Frequency Offset and Channel Estimation for Underwater Acoustic OFDM Systems

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Partial FFT Demodulation for MIMO-OFDM Over Time-Varying Underwater Acoustic Channels

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