ESIM‐OFDM‐based transceiver design of a visible light communication system

Ahsan, Md. Shamim; Asif, Hafiz M.

doi:10.1002/dac.3175

Cited by 23 publications

(17 citation statements)

References 15 publications

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“…After mapping, the cyclic suffix will be appended with the data. The cyclic suffix is very helpful for the receiver mainly because at the time of synchronization if any sample is misplaced it will eventually make no difference in the operation, as the misplaced sample is just the sample of cyclic suffix [21], [23], [39]. After the add-on of cyclic suffix bits, the overall size of each bit-stream for RC/STBC and SMP are 170 and 105 bits.…”

Section: Software Defined Radiomentioning

confidence: 99%

Design of MIMO-Visible Light Communication Transceiver Using Maximum Rank Distance Codes

et al. 2019

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This paper is aimed at comparing the performance of multiple-input multiple-output (MIMO) schemes applied to the indoor visible light communication (VLC) system. The MIMO schemes considered for this paper are repetition coding (RC), space-time block codes (STBCs), and spatial multiplexing (SMP). For MIMO design, the current system makes use of unique algebraic codes, i.e., maximum rank distance (MRD) codes in this connection. Two different configurations (2 × 1 and 2 × 2) are taken into consideration with distinct transmitters' spacing. Simulation results are presented and a comparative analysis of the current system with an existing system is given mainly in terms of bit error rate (BER), data-rate, and transmission range. The simulation results are validated by the physical implementation of the system using NI cDAQ module programmed in LabVIEW. The simulation and experimentation results indicate that the RC scheme with significant diversity gain provides more robustness as compared to other MIMO schemes; however, the RC exhibits poor multiplexing gain, and hence, it is not spectral efficient. As its counterpart, the STBC and SMP are used that can increase both the capacity and reliability at the cost of slightly reduced transmission range. INDEX TERMS Line of sight (LOS), light emitting diode (LED), modified space-time block codes (MSTBC), maximum rank distance codes (MRD), repetition coding (RC), software-defined radio (SDR), spatial multiplexing (SMP), visible light communication (VLC), zero-forcing detector (ZF).

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Section: Software Defined Radiomentioning

confidence: 99%

Design of MIMO-Visible Light Communication Transceiver Using Maximum Rank Distance Codes

et al. 2019

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“…7 However, the complex envelope of OFDM made difficulties in driving the LEDs directly and required extra signal processing unit for proper input to LED driving circuit resulting in reduction of overall system data rate. To overcome the effects of ISI in VLC systems, OFDM was used in Ahsan and Asif.…”

Section: Prior Workmentioning

confidence: 99%

“…To overcome the effects of ISI in VLC systems, OFDM was used in Ahsan and Asif. 7 However, the complex envelope of OFDM made difficulties in driving the LEDs directly and required extra signal processing unit for proper input to LED driving circuit resulting in reduction of overall system data rate. Moreover, the complexity of the system also got increased in VLC transceiver design.…”

Section: Prior Workmentioning

confidence: 99%

Design of NS3 VLC module and performance analysis of ad hoc network under VLC and Wi‐Fi layers

Sheikh

Ali

Asif

et al. 2018

Int J Communication

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Visible light communication (VLC) is the branch of optical wireless communi-cations that uses light-emitting diodes for the dual purpose of illumination and very-high-speed data communication. The main motivation behind the current work is finding alternatives to the saturated radio frequency spectrum, radio frequency security issue, and vulnerability to interferences. The current work is aimed at developing a module for the physical layer of a VLC-based ad hoc network in network simulation 3. The VLC physical layer module is developed by using the optical signal modules available in the network simulator.The work also includes modelling of VLC-based transmitter, wireless optical channel, and the optical receiver. Furthermore, the implementation and evaluation of the VLC-based physical layer is carried out over a typical ad hoc network under different performance metrics. The designed ad hoc network is also tested under Wi-Fi module followed by its comparison with corresponding ad hoc network under VLC module. The comparison is based on bit error rate curves, system throughput, and gain in received signal-to-noise ratio mainly.Finally, the suitability of different modulation schemes is also investigated in the current work for both Wi-Fi-and VLC-based ad hoc networks. KEYWORDS ad hoc networks, bit error rate (BER), Li-Fi, modulation SCHEMES, network simulator, NS3, OOK, PAM, PHY layer, throughput, visible light communication (VLC), VPPM, 5G mobile communication | INTRODUCTIONIn the past decade, there has been a drastic increase in the demand for high-speed data communication services (cellular networks, smart TVs, cloud-based computing, high-definition video calling, and live streaming). The existing radio frequency (RF) wireless technologies have been the forefront of telecommunication, revolutionizing the voice and data communication. 1 However, because of saturation of RF spectrum, security issues, vulnerability to interferences, and hazards of RF, low-cost and reliable technologies are required to provide efficient data communication. The discovery and growing use of light-emitting diodes (LEDs) have boosted the research in visible light communication (VLC) technology. 2 Visible light communication is becoming an emerging green technology aimed to providing high data rates for short-range communication and easy deployment in hospitals, planes, and areas where traditional RF systems are less preferred. 3 The VLC salient features include license and interference-free spectrum (430THz-790THz), extremely large bandwidth, inherent security, compatibility with existing technologies, and high efficiency for positioning purposes due to its line-of-sight (LoS) feature. 4

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“…Therefore, new radio access interfaces are employed to support gigabit throughput with milliseconds latency. Among others, VLC is a promising technology that offers a huge licensed-free spectrum, low latency, immunity to interference from electromagnetic sources, low-power consumption, no security issues and less harmful compared with Radio Frequency (RF) modules [1]. Due to its unique characteristics, VLC is considered as the most suitable and secure alternative to RF communications especially for niche applications such as positioning [2].…”

Section: Introductionmentioning

confidence: 99%

Optimization of Non-Orthogonal Multiple Access Based Visible Light Communication Systems

et al. 2019

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In visible light communication (VLC), the data is transmitted by modulating the light emitting diode (LED). The data-rate is throttled by the narrow modulation bandwidth of LEDs, which becomes a barrier for attaining high transmission rates. Non-orthogonal multiple access (NOMA) is a new scheme envisioned to improve the system capacity. In addition to multiple access schemes, optimization techniques are applied to further improve the data rate. In this letter, convex optimization is applied to NOMA-based VLC system for downlink. The proposed optimization system is analyzed in terms of the bit error rate (BER) and the sum-rate.

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ESIM‐OFDM‐based transceiver design of a visible light communication system

Cited by 23 publications

References 15 publications

Design of MIMO-Visible Light Communication Transceiver Using Maximum Rank Distance Codes

Design of MIMO-Visible Light Communication Transceiver Using Maximum Rank Distance Codes

Design of NS3 VLC module and performance analysis of ad hoc network under VLC and Wi‐Fi layers

Optimization of Non-Orthogonal Multiple Access Based Visible Light Communication Systems

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