Performance of OFDM-FSO link with analog network coding

Kumar, Pravindra; Thakor, Satyajit

doi:10.1007/s11107-017-0730-z

Photon Netw Commun

2017

DOI: 10.1007/s11107-017-0730-z

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Performance of OFDM-FSO link with analog network coding

Pravindra Kumar

Satyajit Thakor

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Cited by 6 publications

(2 citation statements)

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“…The results indicate that the 64-level QAM shows better performance, and the link shows reliable transportation of data at the 7000 m FSO range. Kumar et al reported a non-line-of-sight configuration-based OFDM-FSO link using multi-hop relay [18]. Analog network coding has been incorporated to provide enhanced throughput, power efficiency, and BER performance of the link.…”

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confidence: 99%

Enhanced Performance of the 4 × 20 Gbit/s-40 GHz OFDM-Based RoFSO Transmission Link Incorporating WDM-MDM of Hermite Gaussian and Laguerre Gaussian Modes

Singh¹,

Singh

Grover³

et al. 2022

Front. Phys.

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A 4 × 20 Gbit/s-40 GHz orthogonal frequency-division multiplexing-based radio-on-free-space optics information link, integrating hybrid wavelength- and mode-division multiplexed transmission techniques, is proposed in this paper. Furthermore, an ameliorated detection scheme deploying a square root module after each photo diode at the receiver terminal is proposed to mitigate the adverse performance effects because of nonlinear photodiode characteristics. The presented results show a successful 80 Gbit/s-160 GHz transmission at 3000 and 2700 m under heavy rainy and foggy weather, respectively. The link demonstrates superior performance in terms of maximum range and transmission rate compared to previous works.

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confidence: 99%

Enhanced Performance of the 4 × 20 Gbit/s-40 GHz OFDM-Based RoFSO Transmission Link Incorporating WDM-MDM of Hermite Gaussian and Laguerre Gaussian Modes

Singh¹,

Singh

Grover³

et al. 2022

Front. Phys.

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“…2018[19], authors have proposed OFDM-based FSO link by incorporating non line-of-sight assisted relay. Recently in 2019[20], authors have proposed hybrid polarization division multiplexing (PDM) and OFDM schemes to transmit data over 5 km FSO link.…”

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confidence: 99%

Hybrid MDM-PDM Based Ro-FSO System for Broadband Services by Incorporating Donut Modes Under Diverse Weather Conditions

et al. 2021

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High-speed data demand in sensitive locations has prompted new wireless technologies to grow in areas like hospitals for bio-sensor data transmission between doctors and patients. However, interference of electromagnetic spectrum or highly sensitive medical equipment in such locations can prevent radio waves which can further compromise the health of patients. Radio over Free Space Optics (Ro-FSO) can fulfil high-speed data demand in such locations without any such interference. However, the Ro-FSO performance is highly influenced by different adverse weather conditions, particularly haze and rainfall, which further cause attenuation in the transmission path of Ro-FSO systems. These atmospheric turbulences mainly affect the transmission link range of Ro-FSO systems. In this work, Ro-FSO system is designed by incorporating hybrid mode division multiplexing (MDM) and polarization division multiplexing (PDM) schemes to deliver four independent channels, each carrying 10 Gbps data upconverted to 40 GHz radio signal, over 3.4 km free space optical link operating under clear weather conditions. In addition to this, the proposed Ro-FSO link is subjected to different weather conditions, particularly partially hazy/rainy and dense fog/very rainy. The reported results indicate the achievement of acceptable bit error rate (BER≈10–3) for all channels up to 3400m FSO link under clear weather conditions, 1000m under partially haze/rain and 620 m under dense fog/heavy rain.

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Performance evaluation of DVB-t image transmission over a MIMO OWC channel at 650 nm under varying turbulence regimes

Gill

Singh

2021

Wireless Netw

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Performance of OFDM-FSO link with analog network coding

Cited by 6 publications

References 47 publications

Enhanced Performance of the 4 × 20 Gbit/s-40 GHz OFDM-Based RoFSO Transmission Link Incorporating WDM-MDM of Hermite Gaussian and Laguerre Gaussian Modes

Enhanced Performance of the 4 × 20 Gbit/s-40 GHz OFDM-Based RoFSO Transmission Link Incorporating WDM-MDM of Hermite Gaussian and Laguerre Gaussian Modes

Hybrid MDM-PDM Based Ro-FSO System for Broadband Services by Incorporating Donut Modes Under Diverse Weather Conditions

Performance evaluation of DVB-t image transmission over a MIMO OWC channel at 650 nm under varying turbulence regimes

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