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Indoor Optical Wireless Communications

Transmit power reduction through subcarrier selection for MC CDMA based indoor optical wireless communications with IM/DD

Transmit power reduction through subcarrier selection for MC CDMA based indoor optical wireless communications with IM/DD

... transmit optical power reduction in multi-carrier code division multiple access (MC-CDMA)-based indoor optical wireless communications employing intensity modulation with direct ...

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Genetic algorithm optimisation methods applied to the indoor optical wireless communications channel

Genetic algorithm optimisation methods applied to the indoor optical wireless communications channel

... Over the preceding chapters it has been shown that the application of genetic algorithms to a few of the problems of indoor optical wireless communications may prove to be one of a possible ...

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Design considerations of conventional angle diversity receivers for indoor optical wireless communications

Design considerations of conventional angle diversity receivers for indoor optical wireless communications

... Nondirected infrared (IR) radiation has been considered as a very attractive alternative to radio frequency waves for indoor wireless local area networks. However, there are two major limitations for ...

15

Recent developments in indoor optical wireless systems

Recent developments in indoor optical wireless systems

... Nevertheless, the resilience of MSM systems in the presence of multipath dispersion makes them attractive for indoor optical wireless communications. Thus, much recent effort has been di- ...

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A Review of Various Modulation Techniques for Indoor Optical Wireless Communication System

A Review of Various Modulation Techniques for Indoor Optical Wireless Communication System

... of Indoor Optical Wireless Communications, for example, OOK, PPM, DPPM, DAPPM, DPIM, and some all the more, each with its own particular elements and ...for Optical wireless ...

5

Differential Amplitude Pulse Position Modulation for Indoor Wireless Optical Communications

Differential Amplitude Pulse Position Modulation for Indoor Wireless Optical Communications

... access wireless local area networks from portable personal computers and mobile devices has grown ...use indoor optical wireless communications has received wide interest [1, ...of ...

9

Performance of the Wavelet Transform-Neural Network Based Receiver for DPIM in Diffuse Indoor Optical Wireless Links in Presence of Artificial Light Interference

Performance of the Wavelet Transform-Neural Network Based Receiver for DPIM in Diffuse Indoor Optical Wireless Links in Presence of Artificial Light Interference

... in Optical Communications in ...of Optical Communications Research Group until ...Northumbria Communications Research Laboratories within the ...of Wireless Communications ...

10

Indoor Optical Wireless Receiver – Theory And Design

Indoor Optical Wireless Receiver – Theory And Design

... in optical wireless receiver both in academic and industrial ...the optical medium for wireless communications is not new, having been proposed as a means for indoor ...

8

Novel Techniques of Single-CarrierFrequency-Domain Equalization for Optical Wireless Communications

Novel Techniques of Single-CarrierFrequency-Domain Equalization for Optical Wireless Communications

... speed indoor wireless communication has been ...the optical spectrum which has virtually unlimited bandwidth has been receiving growing interest for use in indoor wireless data ...

13

Optical wireless and millimeter waves for 5G access networks

Optical wireless and millimeter waves for 5G access networks

... namely optical wireless and millimeter-wave ...where optical wireless communications (OWC) are better, but others where millimeter waves are to be ...

21

Design of an Omnidirectional Multibeam Transmitter for High Speed Indoor Wireless Communications

Design of an Omnidirectional Multibeam Transmitter for High Speed Indoor Wireless Communications

... Figures 8(e)–8(h), and those of the fifth bounce of reflection are depicted in Figures 8(i)–8(l) and Figure 9(b), respectively. The impulse response of a typical receiver positioned in any location of the room was ...

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Performance analysis of gain ratio power allocation strategies for non orthogonal multiple access in indoor visible light communication networks

Performance analysis of gain ratio power allocation strategies for non orthogonal multiple access in indoor visible light communication networks

... Correspondingly, indoor VLC APs with UDN network- ing is an efficient way to improve the system traffic capac- ity and user experience [1], particularly in hotspot areas ...the indoor VLC network is an ...

14

Optical wireless for intravehicle communications : a channel viability analysis

Optical wireless for intravehicle communications : a channel viability analysis

... and Communications Engineering and PhD in Engineering from the School of Engineering at the University of Warwick in 2005 and 2009 ...of optical propagation characteristics in underwater, indoor and ...

8

Optical wireless for intravehicle communications : incorporating passenger presence scenarios

Optical wireless for intravehicle communications : incorporating passenger presence scenarios

... thin-film optical filter [35, ...incident optical signal will peak at 45 µW cm −2 ...potential optical noise-generating sources, one can narrow this down to interior lighting, other vehicles’ ...

10

Training sequence based frequency domain channel estimation for indoor diffuse wireless optical communications

Training sequence based frequency domain channel estimation for indoor diffuse wireless optical communications

... This article investigates the TS-based channel estimation in FD for indoor WOC systems. Firstly, the mathemati- cal model is established for indoor WOC systems. Based on the established link model, three ...

10

Hologram selection in realistic indoor optical wireless systems with angle diversity receivers

Hologram selection in realistic indoor optical wireless systems with angle diversity receivers

... Recently optical wireless (OW) local area networks (LANs) have attracted a great deal of attention due to their potential to provide high-speed transmission through low cost hardware and without interfering ...

15

A Survey on the Atmospheric Effects on Radio Path Loss in Cellular Mobile Communication System

A Survey on the Atmospheric Effects on Radio Path Loss in Cellular Mobile Communication System

... the wireless network communications supporting information exchange between people or devices is the communications frontier of the next few decades and much of it already exists in some ...of ...

5

Analysis and Simulation of Link Performance for Underwater Wireless Optical Communications

Analysis and Simulation of Link Performance for Underwater Wireless Optical Communications

... channels system with a collective data rate of 10Gbits/s over 2.96m with an average BER below the FEC threshold. Although UWOC made a series of progress in bandwidth, communication distance remains as a non- ignorable ...

6

Digital pulse interval modulation for indoor optical wireless communication systems

Digital pulse interval modulation for indoor optical wireless communication systems

... Indoor optical wireless systems generally operate in the presence of intense ambient light, emanating from both natural and artificial ...average optical power requirement that is almost ...

269

Underwater optical wireless communications : depth dependent variations in attenuation

Underwater optical wireless communications : depth dependent variations in attenuation

... Now that the depth-dependent chlorophyll profiles have been quantified, they can be used with the chlorophyll-attenuation relationships to determine the depth-dependent attenuation of light. An assumption is made to ...

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