NDLI: Analysis of BER for M-QAM and QOS Enhancement for OFDM Systems

Content Provider	Springer Nature Link
Author	Uppal, Sabhyata Sharma, Sanjay Singh, Hardeep
Copyright Year	2015
Abstract	Orthogonal frequency division multiplexing (OFDM) technique has been widely adopted in many wireless communication systems due to its high data-rate transmission ability and robustness to the multipath fading channel. One of the major drawbacks of OFDM signal is the high peak-to-average power ratio (PAPR). In this paper, a software reference model for OFDM is developed and verified for its functionality that can be adopted for wireless communication applications. Bit error rate (BER) and functionality of the developed OFDM model is analyzed for 16-QAM, 64-QAM, and 256 QAM. We present a technique to reduce the BER of the transmitted signals and hence reduce the PAPR by introducing sequences. We propose a reliable BER reducing method that consists in putting together a Golay sequence with the input sequence. This new method offers competitive performance as well as low BER compared to previously published methods. Computer simulation for a standard OFDM system shows BER reduction by comparison to the competitive methods.
Starting Page	513
Ending Page	520
Page Count	8
File Format	PDF
ISSN	09296212
Journal	Wireless Personal Communications
Volume Number	86
Issue Number	2
e-ISSN	1572834X
Language	English
Publisher	Springer US
Publisher Date	2015-07-30
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Orthogonal frequency division multiplexing (OFDM) Bit error rate (BER) Wireless communications Golay Peak-to-average power ratio (PAPR) Communications Engineering, Networks Signal, Image and Speech Processing Computer Communication Networks
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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Analysis of 64 QAM Golay Codes with Low Peak to Average Power Ratio for OFDM Systems

Wavelet-based OFDM analysis: BER performance and PAPR profile for various wavelets

Bit-Error-Rate Performance of Companding Transforms for OFDM

Error rate performance of Hybrid QAM-FSK in OFDM systems exhibiting low PAPR

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Verification for PAPR Reduction of OFDM Signal Using Partial Transmit Sequences Technique

BER performance of OFDM combined with TDM using frequency-domain equalization

A Novel Haar Wavelet-Based BPSK OFDM System Robust to Spectral Null Channels and with Reduced PAPR

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Analysis of BER for M-QAM and QOS Enhancement for OFDM Systems

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