Numerical simulation of helical structure mode-division multiplexing with nonconcentric ring vortices

Fazea, Yousef

doi:10.1016/j.optcom.2018.12.002

“…It is habitually utilized in numerical acoustic plus record dissemination, and portable interactive media [2,3]. Conversely, OFDM is apt large peak-to-average power ratio (PAPR), which result in nonlinear distortion of the power amplifiers and weaken the performance of the OFDM system; this is common in Wavelength Division Multiplexing (WDM) [4,5] and Mode Division Multiplexing [6,7]. Several approaches has been taking into consideration to reduce PAPR, including cutting [8], classification [9], clipping and refining [10], tone injection (TI) [11], dynamic constellation expansion [12], tenor preservation [13], and manifold signal depiction schemes such as selected mapping (SLM) [14] and interlacing [15], along with partial transmit sequence cord (PTS) [16].…”

Section: Introductionmentioning

confidence: 99%

Boosted PTS Method with Mu-Law Companding Techniques for PAPR Reduction in OFDM Systems

Ibraheem

¹

,

Ahmed

²

,

Fazea

³

et al. 2021

Wireless Pers Commun

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“…It is habitually utilized in numerical acoustic plus record dissemination, and portable interactive media [2,3]. Conversely, OFDM is apt large peak-to-average power ratio (PAPR), which result in nonlinear distortion of the power amplifiers and weaken the performance of the OFDM system; this is common in Wavelength Division Multiplexing (WDM) [4,5] and Mode Division Multiplexing [6,7]. Several approaches has been taking into consideration to reduce PAPR, including cutting [8], classification [9], clipping and refining [10], tone injection (TI) [11], dynamic constellation expansion [12], tenor preservation [13], and manifold signal depiction schemes such as selected mapping (SLM) [14] and interlacing [15], along with partial transmit sequence cord (PTS) [16].…”

Section: Introductionmentioning

confidence: 99%

Boosted PTS Method with Mu-Law Companding Techniques for PAPR Reduction in OFDM Systems

Ibraheem¹,

Ahmed²,

Fazea

³

et al. 2021

Preprint

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Perpendicular rate of recurrence splitting up a group of numeral television or radio channels that are mixed together for broadcast Orthogonal Frequency Division Multiplexing which can be a potential diffusion method for elevating the transmission capacity of the communication systems. In spite of the significance of OFDM, the primary issue of the peak-to-average power ratio (PAPR) which augments communication system complications, reduces the effectiveness of the communication system, resulting in low performance of bit-error-rate (BER), and making OFDM perceptive toward non-linear distortion within a broadcast. Various techniques were projected for treating PAPR issues, inclusive of partial transmit sequence (PTS) which captivated great interest. Thus, this paper proposed a hybrid method inclusive of a boosted PTS scheme with Mu-law compressing and expanding approach. The PTS approach was boosted through boosting its sub-block partitioning scheme, the place where the aggrandized partitioning scheme consolidated a conventional interleaved partitioning into an adjacent partitioning scheme. The present merger concerning Mu-Law characteristic in time domain for PAPR reduction in OFDM fundamentally boosts PAPR diminution performance. Accordingly, though the simulated pseudorandom sub-block partition method improved PAPR diminution supplementary further than other sub-block partition schemes appertaining to conventional PTS, while maintaining low computational complexity. The findings show that the boosted PTS scheme with Mu-law expanding approach, whilst upholding low computational complexity, achieves considerably superior to the pseudorandom partitioning PTS with regard to various type of modulation format and subcarriers.

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