Development and performances of standalone visible light communication terminals using imitate infrared encoding technique

Yang, Xinhua; Liu, Yang; Ye, Weilin; Tian, Xuemin; Wang, Yiding; Zheng, Cheng

doi:10.1049/iet-com.2014.1148

Cited by 3 publications

(3 citation statements)

References 13 publications

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“…Furthermore, the DC component problem is not there. Double bandwidth is required in case the signals are toggled from 0 s to 1 s or vice versa [15,16]. Signal variation is decided in the middle of a transmission.…”

Section: Related Workmentioning

confidence: 99%

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Moving towards IoT Based Digital Communication: An Efficient Utilization of Power Spectrum Density for Smart Cities

Ali

Alwadie

Rizwan³

et al. 2020

Sensors

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The future of the Internet of Things (IoT) is interlinked with digital communication in smart cities. The digital signal power spectrum of smart IoT devices is greatly needed to provide communication support. The line codes play a significant role in data bit transmission in digital communication. The existing line-coding techniques are designed for traditional computing network technology and power spectrum density to translate data bits into a signal using various line code waveforms. The existing line-code techniques have multiple kinds of issues, such as the utilization of bandwidth, connection synchronization (CS), the direct current (DC) component, and power spectrum density (PSD). These highlighted issues are not adequate in IoT devices in smart cities due to their small size. However, there is a need to design an effective line-code method to deal with these issues in digital IoT-based communication for smart technologies, which enables smart services for smart cities. In this paper, the Shadow Encoding Scheme (SES) is proposed to transmit data bits efficiently by using a physical waveform in the smart cities’ ecosystem. SES provides a reliable transmission over the physical medium without using extra bandwidth and with ideal PSD. In it, the shadow copy of the repeating bitstream is forwarded, rather than repeating the actual stream again and again. The PSD is calculated with the help of mathematical equations to validate SES. MATLAB simulator is used to simulate SES and compared with other well-known digital line-code techniques. The bit error rate is also compared between SES and the chirp spread spectrum (CSS) for the specific data frames. The coordinates of the PSD graph are also shown in tabular form, which shows a vivid picture of the working conditions of various line codes.

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Section: Related Workmentioning

confidence: 99%

“…The presence of low-frequency components may cause signal droop.No clock is present. Loss of synchronization is likely to occur (especially for long strings of 1 s and 0 s).Return to Zero (RZ)[16] Digital to digital encoding scheme Wired Lan It is simple.No low-frequency components are present.…”

mentioning

confidence: 99%

Moving towards IoT Based Digital Communication: An Efficient Utilization of Power Spectrum Density for Smart Cities

Ali

Alwadie

Rizwan³

et al. 2020

Sensors

View full text Add to dashboard Cite

show abstract

“…In the field of VLC, many studies have been performed regarding modulation, lighting layout, hardware and equipment, and most of the achievements concentrated on improving data transmission rate [6–11], such as Gb/s free‐space VLC system adopting carrier‐less amplitude and phase (CAP) modulation and the recently reported hardware pre‐equalisers [12]. In addition to information‐oriented performance, improving illuminating effects has also become one of the research hotspots in the VLC field recently [13, 14].…”

Section: Introductionmentioning

confidence: 99%

Portable visible light communication transmitter and receiver using core‐shell CdSe/ZnS quantum dots white light‐emitting diode

Xue

Liu

et al. 2019

IET Communications

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MIMO visible light communication system with block Markov superposition transmission

Chen

2018

IET Communications

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Development and performances of standalone visible light communication terminals using imitate infrared encoding technique

Cited by 3 publications

References 13 publications

Moving towards IoT Based Digital Communication: An Efficient Utilization of Power Spectrum Density for Smart Cities

Moving towards IoT Based Digital Communication: An Efficient Utilization of Power Spectrum Density for Smart Cities

Portable visible light communication transmitter and receiver using core‐shell CdSe/ZnS quantum dots white light‐emitting diode

MIMO visible light communication system with block Markov superposition transmission

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