NDLI: BER analysis of conventional and wavelet based OFDM in LTE using different modulation techniques

Content Provider	IEEE Xplore Digital Library
Author	Anuradha Kumar, N.
Copyright Year	2014
Description	Author affiliation: ECE, UIET, Chandigarh, India (Anuradha; Kumar, N.)
Abstract	Orthogonal Frequency Division Multiplexing (OFDM) and Multiple Input and Multiple Output (MIMO) are two main techniques employed in $4^{th}$ Generation Long Term Evolution (LTE). In OFDM multiple carriers are used and it provides higher level of spectral efficiency as compared to Frequency Division Multiplexing (FDM). In OFDM because of loss of orthogonality between the subcarriers there is intercarrier interference (ICI) and intersymbol interference (ISI) and to overcome this problem use of cyclic prefixing (CP) is required, which uses 20% of available bandwidth. Wavelet based OFDM provides good orthogonality and with its use Bit Error Rate (BER) is improved. Wavelet based system does not require cyclic prefix, so spectrum efficiency is increased. It is proposed to use wavelet based OFDM at the place of Discrete Fourier Transform (DFT) based OFDM in LTE. We have compared the BER performance of wavelets and DFT based OFDM.
Sponsorship	IEEE Chandigarh Subsect.
Starting Page	1
Ending Page	4
File Size	171841
Page Count	4
File Format	PDF
e-ISBN	9781479922918
DOI	10.1109/RAECS.2014.6799622
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-03-06
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wavelet transforms Wavelet DFT OFDM Discrete Fourier transforms Bit error rate Modulation LTE Long Term Evolution BER Signal to noise ratio
Content Type	Text
Resource Type	Article

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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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M-QAM bit error rate analysis of multipath channels in LTE system

Effects of impulsive noise on Fourier based OFDM and wavelet based OFDM

Throughput analysis of a LTE system for static environment

BER comparison of DCT-OFDM and DFT-OFDM for different modulation techniques in multipath Rayleigh fading environment

Analysis of Different Modulation Techniques of Bit Error Rate For Conventional and Wavelet Based OFDM in LTE

Low Complexity OFDM Modulator and Demodulator Based on Discrete Hartley Transform

Performance Analysis of DFT-OFDM, DCT-OFDM, and DWT-OFDM Systems in AWGN Channel

MMSE equalization for discrete wavelet packet based OFDM

Optimized DFT-FB transceivers over LTV channels

BER analysis of conventional and wavelet based OFDM in LTE using different modulation techniques

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