NDLI: On the Impact of CFO for OFDM Systems with Un-equal Gain Diversity Schemes over Small-term Fading

Content Provider	IEEE Xplore Digital Library
Author	Chen, J.I.-Z. Chin-Chung Yu You-Fu Chung Shi-Han Yan
Copyright Year	2008
Description	Author affiliation: Dept. of Commun. Eng., Dayeh Univ., Changhua (Chen, J.I.-Z.; Chin-Chung Yu; You-Fu Chung; Shi-Han Yan)
Abstract	The system performance of OFDM (orthogonal frequency division multiplexing) with dual branch SC (selection combining) diversity over small scale fading correlated channel is investigated in this paper. The performance of average BER (bit error rate) of the OFDM system is calculated by adopting the results with an alternative expression of the Q-function. The correlated-Weibull fading distribution is applied to characterize the propagation fading channel. Moreover, the assumption of CFO (carrier frequency offset) existing between subcarrier is other scenario considered in this paper. It is worthwhile noting that the system performance of an OFDM system with SC diversity is definitely dominated by transmission environments, that is, except fading parameters (of Weibull distribution) of fading statistics will be the most important reason to decide whether the system performance of an OFDM system is well or not, the CFO is another phaneoman affects the performance too. Furthermore, both of equal and unequal branch gain of the received waveform at the output of SC diversities is assumed in the discussion for OFDM communication systems.
Starting Page	1
Ending Page	5
File Size	1327339
Page Count	5
File Format	PDF
ISBN	9781424423019
DOI	10.1109/CROWNCOM.2008.4562552
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-15
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	OFDM Bit error rate Weibull fading channels Interference Receivers SC selection combining Weibull fading Nakagami distribution Wireless communication System performance Diversity reception CFO (carrier frequency offset) Weibull distribution
Content Type	Text
Resource Type	Article

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