LED lighting systems for smart buildings: a review

Chinchero, Héctor F.; Alonso, J.M.; T, Hugo Ortiz

doi:10.1049/iet-smc.2020.0061

Cited by 19 publications

(8 citation statements)

References 33 publications

(46 reference statements)

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“…Lighting is a major contributor to a building's energy footprint, accounting for approximately 20% of total building energy consumption and 30% of building electricity usage [50]. The control of lighting systems and the exploitation of daylighting could lower building lighting energy consumption while ensuring the visual comfort of occupants.…”

Section: Lighting and Daylightingmentioning

confidence: 99%

A review of carbon footprint reduction of green building technologies in China

Wang¹,

Pan²,

Liang³

et al. 2023

Prog. Energy

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Green building technologies (GBTs) play an important role in carbon emission reduction in the building sector. China is currently in the booming phase of green buildings construction and numerous studies have been conducted on green building technologies, especially on the potential of reducing buildings' energy consumption and carbon emissions. This paper provides a comprehensive overview of various GBTs, including high performance envelope, lighting and daylighting, natural ventilation, HVAC (heating, ventilation and air conditioning) system and the utilization of renewable energy. After describing the phases of the building life cycle and the calculation method of building carbon emissions, the literature review focuses on the applications of GBTs in different climate areas in China as well as the main findings and innovations on their carbon reduction potentials. Finally, recommendations for GBTs development are proposed based on the existing researches to facilitate carbon neutrality in the building sector.

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Section: Lighting and Daylightingmentioning

confidence: 99%

A review of carbon footprint reduction of green building technologies in China

Wang¹,

Pan²,

Liang³

et al. 2023

Prog. Energy

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“…Many home automation solutions suffer from security flaws, as pointed out in David Bombal's recent video "Hacking IoT devices with Python (it's too easy to take control)" 15,16 . Despite these issues, we still argue that it's important to empower both people with and without limitations to build their own intelligent environments using low-cost products.…”

Section: Analyzing Network Traffic Generated By Consumer and Inexpens...mentioning

confidence: 99%

“…However, standard security solutions cannot be implemented in most of these devices due to their limited processing power and memory. As referred by [18] and [15], there are many communication protocols that have been used in assisted living environments, such as ZigBee, Z-Wave, Insteon, LoRa, KNX, among others. Due to non-standardization of communication protocols, it becomes a challenge to ensure a high level of security in technology-rich assisted living environments.…”

Section: Introdutionmentioning

confidence: 99%

Security and privacy concerns in assisted living environments

Condado,

Lobo

2023

SCS

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Assisted living environments use interconnected devices to assist people with limitations in performing daily activities. In these environments, human activity recognition is critical for detecting abnormal situations, such as falls or health problems, and providing appropriate assistance to inhabitants. Despite their advantages, assisted living environments raise security and privacy concerns due to the collection and storage of sensitive data about their inhabitants. This paper addresses security and privacy concerns related to intelligent environments designed to assist individuals with limitations. It discusses the weaknesses of IoT devices and domotic technologies and presents research conducted by authors to mitigate these issues. This study shows that, despite hardware constraints, it is possible to design a relatively secure assisted living environment that prevents hacker attacks and data leaks. Additionally, it is essential to comprehend which information should be shared with external entities, such as health care services, and when to share it to ensure the inhabitants’ well-being. Our main goal has been to gather knowledge to improve the privacy and data protection of technology-rich assisted living environments implemented to assist people with limitations and their family members in performing their daily tasks.

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“…Because it does not affect the functionality of highly sensitive electronics, it has been proposed in critical applications like hospital intensive care units, airplanes, Industry 4.0, among others [3]. Due to the significantly lower energy consumption, LEDs have gained new production methods that resulted in the reduction in their cost [4]. A lower cost and their popularization strongly encourages the implementation of VLC systems, in which high spectral efficiency (SE) can be obtained with OFDM [5].…”

Section: Introductionmentioning

confidence: 99%

Comparing the Performance of OFDM and OCDM-based Visible Light Communications: Numerical and Experimental Analysis

Peterle

Costa

Camporez

et al. 2023

J. Microw. Optoelectron. Electromagn. Appl.

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Numerical and experimental analysis of visible light communication (VLC) systems based on orthogonal chirp division multiplexing (OCDM) and orthogonal frequency division multiplexing (OFDM) are presented in this paper. Unlike most of the related publications, in this work we numerically compared OCDM and OFDM based VLC systems with the same equalization process, i.e., employing an one tap equalizer (OTE) in both systems. Simulation results in line-of-sight VLC channels show that both systems have the same performance when baseband multicarrier signals are used. The impact of the optical modulation index and the bias current of a previously characterized light-emitting diode were also evaluated. Nevertheless, the experimental demonstrations, in which bandpass signals were used due to the bandpass characteristic of the exploited setup, show that OFDM-based system outperforms the VLC links with OCDM signals, when the OTE equalizer is used in both systems. The performance of the OCDM-based system was improved by using a zero forcing frequency domain equalizer.

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LED lighting systems for smart buildings: a review

Cited by 19 publications

References 33 publications

A review of carbon footprint reduction of green building technologies in China

A review of carbon footprint reduction of green building technologies in China

Security and privacy concerns in assisted living environments

Comparing the Performance of OFDM and OCDM-based Visible Light Communications: Numerical and Experimental Analysis

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