Wireless Infrared Communications

Barry, John R.

doi:10.1007/978-1-4615-2700-8

Cited by 502 publications

(340 citation statements)

References 11 publications

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“…where  is the electronic charge,   is the received signal power,  is the equivalent noise bandwidth,   is the noise bandwidth factor for a rectangular transmitter pulse shape [27] , and   is the background noise power calculated using eq. (10).…”

Section: Total Noise Modelmentioning

confidence: 99%

“…  is the absolute temperature,  is the open-loop voltage gain,  is the fixed capacitance of a photo detector per unit area,  is the FET channel noise factor,   is the FET transconductance, and   is the noise bandwidth factor for a full raised cosine equalized pulse shape [27] .…”

Section: Total Noise Modelmentioning

confidence: 99%

“…The order of Lambertian emission,  is related to the LED semi-angle at half power   according to the following equation [25], [27]         …”

Section: ⅰ Introductionmentioning

confidence: 99%

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Performance of CSK Scheme for V2I Visible Light Communication

Kim

Jung³

2015

The Journal of Korean Institute of Communications and Informati

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These days, research related to Intelligent Transportation System (ITS) technology is being widely considered.ITS is inevitable for future transportation systems to reduce accidents, congestion, and offer a smooth flow of traffic. The use of Visible Light Communication (VLC) in ITS systems has been considered widely because of its EMC/EMI free and LED infrastructure reusable properties. Among the VLC schemes, this study analyzed the performance of the Color Shift Keying (CSK) scheme under a Vehicle-to-Infrastructure (V2I) downlink scenario to verify the capability of CSK as a communication tool for ITS. By modeling daylight noise using the modified Blackbody radiation model, this study examined the performance of V2I VLC under daytime conditions. The relationship between BER, the communication distance, and the amount of ambient-light noises under the pre-described V2I scenario were determined by simulations. 596 Fig. 1. Spectral selection example for codes (110, 010, 000) [9] profit than RF-based ITS solutions. Therefore, many studies of the convergence of VLC technology with ITS systems have been performed [17][18][19][20][21][22][23][24] .This study analyzed the performance of the Color Shift Keying (CSK) scheme under a Vehicle-to-Infrastructure (V2I) downlink scenario.The CSK scheme is a type of VLC scheme proposed by the IEEE 802.15.7 VLC standard, which transmits data using multi-spectral LEDs, such as Red, Green, and Blue LEDs [8][9][10] . Therefore, it transmits data by changing the emitted power of

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Section: Total Noise Modelmentioning

confidence: 99%

Section: Total Noise Modelmentioning

confidence: 99%

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Performance of CSK Scheme for V2I Visible Light Communication

Kim

Jung³

2015

The Journal of Korean Institute of Communications and Informati

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“…The power efficiency (η P ) of a modulation scheme is given by the average optical power required to achieve a given BER at a given data rate [6]. Mathematically, η P is defined as the ratio of energy per optical pulse to the mean energy required per bit, E b , for a normalised transmit pulse shape, p(t), [7] given by…”

Section: Bandwidth Efficiencymentioning

confidence: 99%

“…1a [6]. The high bit rates and relatively slow movement of transmitter and receiver mean that the channel impulse response varies appreciably only over distances comparable with the wavelength of the modulating signal.…”

mentioning

confidence: 99%