NDLI: Performance comparison of Single Carrier Modulation with frequency domain equalization an OFDM for wireless communications

Content Provider	IEEE Xplore Digital Library
Author	Khan, U. Baig, S. Mughal, M.J.
Copyright Year	2009
Description	Author affiliation: Faculty of Electronic Engineering, Ghulam Ishaq Khan Institute of Engineering Sciences and Technology, Topi, Swabi, Pakistan (Khan, U.; Baig, S.; Mughal, M.J.)
Abstract	Orthogonal Frequency Division Multiplexing (OFDM) has the inherent problem of high peak to average power ratio (PAPR). Moreover, it suffers from high sensitivity to frequency offsets and narrowband interference (NBI). Contrary to this, Single Carrier Modulation (SCM) offers smaller PAPR and reduced sensitivity to NBI. However, it requires an efficient channel equalization technique. In literature, frequency domain channel equalization has been proposed for SCM systems in wireless communications. It also possesses the advantage of lower complexity in signal processing, as in the case of OFDM. This paper presents performance comparison between OFDM and SCM with frequency domain equalization for multipath wireless channel. SCM utilizes minimum mean square error (MMSE) algorithm for the training of the frequency domain equalizer. It is shown that SCM employing a frequency domain MMSE equalizer has a better bit error rate (BER) performance than OFDM. Also, the performance comparison of SCM and OFDM systems in the presence of NBI over additive white gaussian noise (AWGN) link shows that SCM is less sensitive to NBI.
Starting Page	297
Ending Page	300
File Size	231600
Page Count	4
File Format	PDF
ISBN	9781424456307
DOI	10.1109/ICET.2009.5353158
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-19
Publisher Place	Pakistan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless communication Frequency modulation Equalizers AWGN narrowband interference (NBI) Bit error rate Signal processing algorithms Peak to average power ratio OFDM modulation Minimum Mean Square Error Equalization Frequency domain analysis Narrowband
Content Type	Text
Resource Type	Article

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