NDLI: Performance Analysis of MF-TDMA Multi-Carrier Demultiplexer/Demodulators (MCDDs) in the Presence of Critical Degrading Factors

Content Provider	IEEE Xplore Digital Library
Author	Jinyan Li Junghwan Kim
Copyright Year	1963
Abstract	Two typical MCDD (multi-carrier demultiplexer/demodulator) architectures, M-MCD (multistage multicarrier demultiplexer) and PPF (polyphase FFT) suitable for multimedia service via the on-board processing (OBP) satellite, are analytically modeled and their error performances are numerically evaluated in the presence of five degrading factors including: narrow-band AWGN, carrier frequency offset, phase error, ISI and quantization error. Cumulative effects of these factors on the BERs of the two different MCDD structures are also assessed and compared for possible tradeoff under MF-TDMA (Multi-Frequency Time Division Multiplex Access) scheme using QPSK modulation. Results show that both architectures are commonly vulnerable to most degrading factors. However, combined effect of phase error with AWGN is more critical to M-MCD than PPF. In addition, PPF method proves to be more sensitive to quantization error than M-MCD. When all five degrading factors are considered, MCDD using PPF method exhibits better BER performance than that of M-MCD, especially when carrier phase error is significant.
Sponsorship	IEEE Broadcast Technology Society
Starting Page	371
Ending Page	382
Page Count	12
File Size	928150
File Format	PDF
ISSN	00189316
Volume Number	54
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Performance analysis Demodulation Degradation AWGN Quantization Satellites Performance evaluation Narrowband Frequency Intersymbol interference quantization error BER frequency offset guard-band ISI MCDD (Multi-Carrier Demultiplexer/Demodulator) M-MCD (Multistage Multicarrier Demultiplexer) narrow-band AWGN OBP (On-Board Processing) phase error PPF (Poly-Phase FFT)
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Media Technology

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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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