SLM based Circular (6, 2) mapping scheme with improved SER performance for PAPR reduction in OCDM without side information
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Mohit Kumar Singh
and
Ashish Goel
Abstract
Like OFDM, OCDM signal also suffers from high PAPR. SLM is an attractive PAPR reduction method but it needs to transmit the information regarding phase sequence i.e. SI to the receiver, which results in reduction in SE and data rate. Various SLM based SI free and SI embedding schemes are available in the literature. In this paper, different possible quaternary to 8-QAM mapping schemes for SI free SLM based PAPR reduction in OCDM system are discussed. Moreover, a new mapping scheme to eliminate the SI requirement has also been presented in this manuscript for SLM based PAPR reduction in OCDM system. Proposed Circular (6, 2) mapping scheme doesn’t require SI at the receiving end which results in increase in SE and data rate as compared to standard SLM technique. Random sequence with phase factors {1, −1} is used to generate the phase sequences for the proposed mapping scheme. Also, the analytical expression for SER of Circular (6, 2) mapping scheme over AWGN channel is derived. We have also evaluated the mathematical expression for SER of other possible quaternary to 8-QAM mapping schemes. Computer simulation using MATLAB are also carried out to investigate the performance of all these mapping schemes in terms of PAPR reduction performance as well as SER performance over AWGN and multipath Rayleigh fading channel. Proposed scheme achieves the same PAPR reduction and improved SER performance w.r.t. other six schemes taken into consideration.
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Research ethics: Not applicable.
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Author contributions: The author(s) have (has) accepted responsibility for the entire content of this manuscript and approved its submission.
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Competing interests: The author(s) state(s) no conflict of interest.
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Research funding: None declared.
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Data availability: Not applicable.
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Articles in the same Issue
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Articles in the same Issue
- Frontmatter
- Amplifiers
- Evaluating the impact of doping concentration on the performance of in-band pumped thulium-doped fiber amplifiers
- Gain flattened and C/L band amplified spontaneous emission noise re-injected L-band EDFA
- Devices
- Performance signature of transceiver communication system based on the cascade uniform fiber Bragg grating devices
- A novel connected structure of all-optical high speed and ultra-compact photonic crystal OR logic gate
- All-optical simultaneous XOR-AND operation using 1-D periodic nonlinear material
- Implementation of frequency encoded all optical reversible logic
- All-optical frequency-encoded Toffoli gate
- Performance analysis of all optical 2 × 1 multiplexer in 2D photonic crystal structure
- Fibers
- Predication of negative dispersion for photonic crystal fiber using extreme learning machine
- Analysis of optical Kerr effect on effective core area and index of refraction in single-mode dispersion shifted and dispersion flattened fibers
- Novel add-drop filter based on serial and parallel photonic crystal ring resonators (PCRR)
- Integrated Optics
- Design and modeling of multi-operation bit-manipulator logic circuit using lithium niobate waveguides
- Networks
- Modeling and comparative analysis of all-class converged-coexistence NG-PON2 network for 5G-IoT-FTTX-services and application
- Efficient solution for WDM-PON with low value of BER using NRZ modulation
- Systems
- Efficient employment of VCSEL light sources in high speed dispersion compensation system
- Performance analysis of a hybrid FSO–FO link with smart decision making system under adverse weather conditions
- A review on mmWave based energy efficient RoF system for next generation mobile communication and broadband systems
- Fiber nonlinearity compensation using optical phase conjugation in dispersion-managed coherent transmission systems
- Hybrid WDM free space optical system using CSRZ and Rayleigh backscattering noise mitigation
- Differential coding scheme based FSO channel for optical coherent DP-16 QAM transceiver systems
- Performance analysis of free space optical system incorporating circular polarization shift keying and mode division multiplexing
- Filter bank multi-carrier review article
- Investigations of wavelength division multiplexing-orthogonal frequency division multiplexing (WDM-OFDM) system with 50 Gb/s optical access
- FSO performance analysis of a metro city in different atmospheric conditions
- Underwater video transmission with video enhancement using reduce hazing algorithm
- Theory
- SLM based Circular (6, 2) mapping scheme with improved SER performance for PAPR reduction in OCDM without side information
- Modeling and spectral analysis of high speed optical fiber communication with orthogonal frequency division multiplexing
- Optical SNR estimation using machine learning
