NDLI: Low-complexity block double-differential design for OFDM with carrier frequency offset

Content Provider	IEEE Xplore Digital Library
Author	Xiaoli Ma
Copyright Year	1972
Abstract	Carrier frequency offset (CFO) estimation for orthogonal frequency-division multiplexing (OFDM) has caught attention as OFDM systems have become widely adopted in recent years. In this paper, we design a novel double-differential (DD) codec with low computational complexity. Our design bypasses CFO and channel estimation, and is easy to implement at both transmitter and receiver. It also guarantees full multipath diversity, and reduces the peak-to-average power ratio from the number of subcarriers to the channel order. In addition, it is robust to CFO drifting. The closed form of the performance for our design is derived for OFDM transmissions over frequency-selective channels with CFO. Thorough simulation results corroborate our claims.
Starting Page	2129
Ending Page	2138
Page Count	10
File Size	441700
File Format	PDF
ISSN	00906778
Volume Number	53
Issue Number	12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-12-01
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 Frequency estimation Channel estimation Decoding Frequency division multiplexing Peak to average power ratio Bit error rate Computational complexity Transmitters Robustness orthogonal frequency-division multiplexing (OFDM) Carrier frequency offset (CFO) double differential (DD) frequency-selective channels
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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