Selected mapping without side information for PAPR reduction in OFDM

Goff, S.Y. Le; Al-Samahi, S.S.; Khoo, Boon Kien; Tsimenidis, Charalampos C.; Sharif, B.S.

doi:10.1109/twc.2009.070463

Cited by 133 publications

(130 citation statements)

References 13 publications

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“…Trapezoidal companding utilizes a piecewise function defined in three intervals of OFDM signal magnitude. Jeng et al proposed [11] trapezium distribution based companding (TDBC) to transform the Rayleigh distribution of original OFDM signal to biased linear distribution called "Trapezium distribution".…”

Section: Related Workmentioning

confidence: 99%

Review on PAPR Reduction in OFDM based system

Narula¹

2015

IJIRSET

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ABSTRACT:In recent time, the demand for multimedia data services has grown up rapidly. One of the most promising multi-carrier system, Orthogonal Frequency Division Multiplexing (OFDM) forms basis for all 4G wireless communication systems due to its large capacity to allow the number of subcarriers, high data rate and ubiquitous coverage with high mobility. OFDM is significantly affected by peak-to-average-power ratio (PAPR). Unfortunately, the high PAPR inherent to OFDM signal envelopes will occasionally drive high power amplifiers (HPAs) to operate in the nonlinear region of their characteristic curve. The nonlinearity of the HPA exhibits amplitude and phase distortions, which cause loss of orthogonality among the subcarriers, and hence, inter-carrier interference (ICI) is introduced in the transmitted signal. Not only that, high PAPR also leads to in-band distortion and out-of-band radiation. Different techniques are used to reduce the Peak to Average Power Ratio (PAPR) to increase the efficiency of the OFDM system. In this paper some of these important techniques are reviewed.

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Section: Related Workmentioning

confidence: 99%

Review on PAPR Reduction in OFDM based system

Narula¹

2015

IJIRSET

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“…In many cases, the erroneous of the SI will cause a confusion of in detecting the correct SI. This problem could affect BER performance [6], [7]. The BER problem can be resolved by adding forward error check (FEC) encoder and decoder at the transmitter and receiver respectively as proposed by Wen [8] et al…”

Section: Introductionmentioning

confidence: 99%

Performance Evaluation of Modified SLM Technique in OFDM System Using Selected Codeword Shift

2016

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Abstract.Selective Mapping (SLM) is a well-known technique used in OFDM System to reduce high Peak-Average Power Ratio (PAPR). High PAPR occurred during signal processing which multiple data are converted into electromagnetic signal via Inverse Fast Fourier transform (IFFT) at the transmitter. Even though SLM technique has a potential to reduce high PAPR, it disrupts the overall performance of bit error rate (BER) at receiver part. In this paper, a modified SLM has been proposed using circulant shift and embedded bit side information to overcome the BER performance degradation at the receiver part as well as to further improve the PAPR performance at the transmitter part. The results have shown an encouraging improvement of PAPR and BER to the OFDM system performance.

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“…To reduce high peak-to-average power ratio (PAPR) of orthogonal frequency division multiplexing (OFDM) systems, a variety of schemes have appeared in the literature [1,2,3,4]. Among these schemes, the selected mapping (SLM) scheme is considered an attractive solution because of its significant PAPR reduction performance without signal distortion.…”

Section: Introductionmentioning

confidence: 99%

“…To avoid such problems, several SLM schemes without SI have been published [3,4]. In [3], the disparity in average energy between groups of data symbols is used to recover the SI.…”

Section: Introductionmentioning

confidence: 99%

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Efficient phase sequence generation for SLM scheme without side information

Kim

Hong

Ahn

et al. 2011

IEICE Electron. Express

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Selected mapping (SLM) scheme without side information (SI) using specially designed phase symbols to reduce peak-to-average power ratio (PAPR) was recently published. The PAPR reduction performance was achieved at the cost of degraded bit error rate (BER) performance. This paper will present a new pilot phase symbol generation improving the PAPR reduction performance without BER performance deterioration.

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Selected mapping without side information for PAPR reduction in OFDM

Cited by 133 publications

References 13 publications

Review on PAPR Reduction in OFDM based system

Review on PAPR Reduction in OFDM based system

Performance Evaluation of Modified SLM Technique in OFDM System Using Selected Codeword Shift

Efficient phase sequence generation for SLM scheme without side information

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