NDLI: Design of an efficient FFT Processor for OFDM systems

Content Provider	IEEE Xplore Digital Library
Author	Haining Jiang Hanwen Luo Jifeng Tian Wentao Song
Copyright Year	1975
Abstract	Orthogonal frequency division multiplexing (OFDM) system is famous for its robustness against frequency selective fading channel and the FFT processor is the critical block in all OFDM systems. In this article, an efficient FFT processor architecture suitable for OFDM systems is proposed. In order to meet the requirements of high-speed data transmission and low-area consumption in OFDM systems, two novel butterfly algorithms - "parallel butterfly algorithm " and "dual butterfly algorithm" - are developed in the design of butterfly unit, which is the kernel in FFT processor. The FFT processor with these butterfly algorithms has high throughput and requires relatively small areas. Performance evaluation demonstrates that the proposed FFT architecture can meet the requirement of wireless LAN (IEEE 802.11a) standard.
Sponsorship	IEEE Consumer Electronics Society
Starting Page	1099
Ending Page	1103
Page Count	5
File Size	145117
File Format	PDF
ISSN	00983063
Volume Number	51
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Throughput Data communication Wireless LAN Pipelines OFDM modulation Digital video broadcasting Clocks Parallel architectures Hardware Robustness
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Media Technology

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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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