Peak-to-average power ratio reduction in all-optical orthogonal frequency division multiplexing system using rotated constellation approach

Hmood, Jassim K.; Noordin, Kamarul Ariffin; Arof, Hamzah; Harun, Sulaiman Wadi

doi:10.1016/j.yofte.2015.08.007

Cited by 10 publications

(3 citation statements)

References 20 publications

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“…There are some techniques of reducing PAPR in OFDMA systems such as selected mapping and partial transmit sequence. However, these methods involve a high computational complexity [43].However, an algorithm for reduction of PAPR in OFDMA is introduced in Fig. ( 4).…”

Section: High Peak Average Power Reduction Algorithmsmentioning

confidence: 99%

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Development of Signal Recovery Algorithm for Overcoming PAPR in OFDMA Communication System

Emarah

Tokhy

Kasban

2021

Arab Journal of Nuclear Sciences and Applications

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This paper focuses on overcoming the high Peak to Average Power Ratio challenging within Orthogonal Frequency Division Multiplexing Asynchronous (OFDMA) communication system. This signal is modulated using differential phase-shift keying and quadrature amplitude modulation techniques. It is degraded under different noise attacks. Signal recovery algorithms are supposed for overcoming the high peak power problem. This issue is resolved through the detection of maximum peaks within threshold peak values of the power amplifier output signal. Additionally, these peaks are identified depending on the extracted power density and order statistics features. This system is trained using an artificial neural network under different channel impairments. Besides, the error rate of this network is computed in presence of different channel fadings. Rayleigh fading imposes the best performance for the transmitted OFDMA signal. Moreover, recognition of 100% is attained using the high order statistics compared to the power density features in presence of noise attacks.

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Section: High Peak Average Power Reduction Algorithmsmentioning

confidence: 99%

“…However, the cutting processes cause the OFDMA signal to distort. BER is also improved [4,8,43,[55][56][57].BER is the ratio of the error number to the number of bits indicated. By counting the numbers of errors at the receiver with enough symbols registered, BER can be calculated directly.…”

Section: Ber Under Channel Fading Algorithmmentioning

confidence: 99%

Development of Signal Recovery Algorithm for Overcoming PAPR in OFDMA Communication System

Emarah

Tokhy

Kasban

2021

Arab Journal of Nuclear Sciences and Applications

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“…The iterative flipping algorithm expected for PTS has the computational complexity which is straightly proportional to the quantity of sub blocks. A neighborhood search is anticipated by gradient descent search [6].…”

Section: Introductionmentioning

confidence: 99%

Adaptive ABC Algorithm Based PTS Scheme for PAPR Reduction in MIMO-OFDM

Maddala¹,

Reddy²

2017

IJIES

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Abstract:The OFDM signals which have a broad peak-to-average power ratio is a basic prerequisite to be settled. The Orthogonal Frequency Division Multiplexing (OFDM) traces the Partial transmit sequences (PTS) which is one among the appealing procedures to diminish the peak-to-average power ratio (PAPR). An issue of modern computational multifaceted nature happens in The PTS scheme when prevalent quantities of sub blocks were consumed. In this article, another PTS scheme has been industrialized so as to decline the PAPR by picking the ideal stage factor esteem by means a versatile ABC optimization process. At the point when associated with MIMO-OFDM structures with a broad assortment of phase factors ABC based PTS calculation achieves about elite after simulation. It can essentially diminish the computational intricacy for bigger PTS subblocks and offers lower PAPR in the meantime. The anticipated philosophy is connected in the working stage of MATLAB and the utilitarian solutions were incited and researched.

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Proposal of PPM-RZ-mQAM scheme for suppressing nonlinear phase noise in high spectral ultra-DWDM system

Abdulzahrah

Hmood

2021

Opt Quant Electron

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Peak-to-average power ratio reduction in all-optical orthogonal frequency division multiplexing system using rotated constellation approach

Cited by 10 publications

References 20 publications

Development of Signal Recovery Algorithm for Overcoming PAPR in OFDMA Communication System

Development of Signal Recovery Algorithm for Overcoming PAPR in OFDMA Communication System

Adaptive ABC Algorithm Based PTS Scheme for PAPR Reduction in MIMO-OFDM

Proposal of PPM-RZ-mQAM scheme for suppressing nonlinear phase noise in high spectral ultra-DWDM system

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