Performance Improvement for Mixed RF–FSO Communication System by Adopting Hybrid Subcarrier Intensity Modulation

Jiang, Ting; Zhao, Lin; Liu, Hongzhan; Deng, Dongmei; Luo, Aiping; Wei, Zhongchao; Yang, Xiangbo

doi:10.3390/app9183724

Cited by 11 publications

(3 citation statements)

References 36 publications

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“…Ting Jiang et al [26] had developed an FSO system with hybrid PPM-BPSK-SIM and fixed-gain relay. The performance was evaluated under Rayleigh distribution and Gamma-Gamma Distribution.…”

Section: Related Workmentioning

confidence: 99%

Improving the Efficiency of FSO Communication Using a Hybrid Optimization Based U-NET Model in 6G Applications

Sreeni,

Vasavi

et al. 2023

Preprint

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The sixth generation (6G) wireless communication has significant impact due to massive connectivity and higher data rate. 6G is enhanced with Free Space Optical (FSO) communication in which the optical data is transmitted with a free spectrum license and higher security. But atmospheric circumstances have an impact on how well FSO communication works. The novel detection approach is proposed in this paper to enhance performance by mitigating the effect of atmospheric turbulence. Initially, the input signal is modulated with an On-Off keying (OOK) based modulation technique and transmitted through FSO communication channel. On the receiver side, signal detection can be accomplished with hybrid optimization Particle Swarm Hill Climbing Algorithm based (PSHCA)-U-net. The U-net architecture is modified to enhance the U-net performance by optimizing the hyperparameters with a hybrid PSHCA algorithm. Tests are conducted using various atmospheric weather scenarios on the proposed PSHCA-U-net model.Finally, simulations are performed to determine the performance of a proposed architecture and evaluated using Bit Error rate (BER), accuracy, transmission time, latency, spectral efficiency etc. Using the proposed approach, the spectral efficiency and latency are improved with 100 Gbps/Hz and 1ms. In terms of BER and other performance measures, the proposed solution outperforms the current strategy. It shows the superiority of a proposed approach while considering 6G parameters.

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“…Ting Jiang et al [26] had developed an FSO system with hybrid PPM-BPSK-SIM and fixed-gain relay. The performance was evaluated under Rayleigh distribution and Gamma-Gamma Distribution.…”

Section: Related Workmentioning

confidence: 99%

Improving the Efficiency of FSO Communication Using a Hybrid Optimization Based U-NET Model in 6G Applications

Sreeni,

Vasavi

et al. 2023

Preprint

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“…Jiang et al [ 164 ] propose an end-to-end hybrid FSO/RF system integrated with PPM, BPSK and SIM schemes. The end-to-end mixed RF/FSO system contains three important parts; source, destination and a relay between them.…”

Section: Fso Network With Relay Assistmentioning

confidence: 99%

A Survey of Hybrid Free Space Optics (FSO) Communication Networks to Achieve 5G Connectivity for Backhauling

Aboelala

Lee

Chung

2022

Entropy

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Increased capacity, higher data rate, decreased latency, and better service quality are examples of the primary objectives or needs that must be catered to in the near future, i.e., fifth-generation (5G) and beyond. To fulfil these needs, cellular network design must be drastically improved. The 5G cellular network design, huge multiple-input multiple-output (MIMO) technology, and device-to-device communication are all highlighted in this comprehensive study. Hence, free-space optics (FSO) is a promising solution to address this field. However, FSO standalone is insufficient during turbulent weather conditions. FSO systems possess some limitations, such as being able to be disturbed by any interference between sender and receiver such as a flying bird and a tree, as it requires line-of-sight (LOS) connectivity. Moreover, it is sensitive to weather conditions; the FSO performance significantly decreases in bad weather conditions such as fog and snow; those factors deteriorate the performance of FSO. This paper conducts a systematic survey on the existing projects in the same area of research such as the hybrid FSO/Radio frequency (RF) communication system by listing each technique used for each model to achieve optimum performance in terms of data rate and Bit Error Rate (BER) to be implemented in 5G networks.

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“…• Performance Improvement for Mixed RF-FSO Communication System by Adopting Hybrid Subcarrier Intensity Modulation [8] This paper presents research on end-to-end mixed radio frequency-free space optical (RF-FSO) systems with the hybrid pulse position modulation-binary phase shift keying-subcarrier intensity modulation (PPM-BPSK-SIM) scheme in wireless optical communications. The RF link obeys Rayleigh distribution and the FSO link experiences gamma-gamma distribution.…”

Section: Special Issue Papersmentioning

confidence: 99%

Special Issue on Advanced DSP Techniques for High-Capacity and Energy-Efficient Optical Fiber Communications

Pan

Yue

2019

Applied Sciences

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Performance Improvement for Mixed RF–FSO Communication System by Adopting Hybrid Subcarrier Intensity Modulation

Cited by 11 publications

References 36 publications

Improving the Efficiency of FSO Communication Using a Hybrid Optimization Based U-NET Model in 6G Applications

Improving the Efficiency of FSO Communication Using a Hybrid Optimization Based U-NET Model in 6G Applications

A Survey of Hybrid Free Space Optics (FSO) Communication Networks to Achieve 5G Connectivity for Backhauling

Special Issue on Advanced DSP Techniques for High-Capacity and Energy-Efficient Optical Fiber Communications

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