Indoor Optical Wireless Communication
Digital pulse interval modulation for indoor optical wireless communication systems
... in indoor optical wireless communication ...average optical power ...average optical power requirement than ...average optical power requirement than 16-PPM(TH), and ...
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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
Multi user indoor optical wireless communication system channel control using a genetic algorithm
... ambient noise rejection through the use of an array of photodetectors coupled to either a single imaging lens [6], or several optical concentrators [7]. Modulation techniques, such as trellis- coded pulse-position ...
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Performance analysis of indoor optical wireless CDMA system using optical zero cross correlation Code
... of indoor optical wireless communication, energy savings and low-cost solutions are ...LED-based communication has attracted wide interest in constructing the indoor ...
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Indoor Optical Wireless Receiver – Theory And Design
... incident optical power, entering a semiconductor device produces thermal agitation that release holes-electron pairs generated at various points within the diode as illustrated in Fig ...for indoor ...
8
Genetic algorithm optimisation methods applied to the indoor optical wireless communications channel
... Fluorescent lamps driven by electronic ballasts, or sometimes known as high frequency fluores- cent lamps, are a more recent development. The technology is commonly found in energy saving lights and will become more ...
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Fuzzy inference system based adaptive modulation scheme for optical wireless communication
... of indoor wireless optical communications is using the diffuse emissions in the infrared band for indoor ...The optical wireless channel was limited by channel constraints such ...
15
Hologram selection in realistic indoor optical wireless systems with angle diversity receivers
... considered for the proposed fast adaptive OW hologram systems. The preamplifier used in the 50 Mb/s OW systems is the PIN-BJT preamplifier proposed in [34]. The MRC SNR result of the proposed systems is given in Fig.8 ...
15
Training sequence based frequency domain channel estimation for indoor diffuse wireless optical communications
... Wireless optical communication (WOC) is an interesting technology combining the radio frequency communica- tions with the traditional infrared communications ...for indoor applications are ...
10
Research on the Control System of Indoor Cleaning Robots Based on LED Optical Communication
... of indoor equipment is WiFi, Zigbee, Bluetooth, infrared, ...Emerging wireless Communication technology--the Visible Light Communication (VLC) used in intelligent control, compared with the ...
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Differential Amplitude Pulse Position Modulation for Indoor Wireless Optical Communications
... access wireless local area networks from portable personal computers and mobile devices has grown ...radio communication systems have limited available bandwidth, a proposal to use indoor ...
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Implementation of Flip Ofdm Based Iterative Receiver for Optical Wireless Communication
... in wireless communications and the significant increase of the number of users, the radio frequency (RF) spectrum become one of the scarcest resources in the ...spectrum, optical wireless ...
6
A review of communication oriented optical wireless systems
... of optical wireless (OW) communication systems that operate both in the short- (personal and indoor systems) and the long-range (outdoor and hybrid) ...Personal communication systems ...
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Study of Inter Satellite Optical Wireless Communication System with different Modulation Techniques
... remote communication, which includes convenient computers, to laser in space ...[5] Indoor applications include infrared correspondence and outside remote correspondence includes Free Space Optics (FSO) and ...
5
Optical wireless MIMO communication
... More specifically, this project furthers studies on OW MIMO by providing three infrared MIMO experimental systems using different modulations to describe the detailed process and the experiment methodology in developing ...
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Recent developments in indoor optical wireless systems
... When using binary modulation, OOK is preferred for simplicity, even though it suffers some- what from multipath dispersion at high bit rates. For more sophisticated requirements, PPM is attractive, with 4-PPM offering ...
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An Algorithm of Wireless Sensor Network Based on Free Space Optical Communication
... the wireless sensor network of free space optical commu- nication algorithm simulation and analysis, we simulate several scenarios, and ana- lyze the performance difference of OEEMRP and LEACH algorithm, as ...
12
Wireless EEG signal transmission using visible light optical camera communication
... AGGARWAL, Geetika, DAI, Xuweu, BINNS, Richard, SAATCHI, Reza, BUSAWON, Krishna and BENTLY, Edward (2018). Wireless EEG signal transmission using visible light optical camera communication. In: DEKA, ...
13
Abstract: We refer to the term optical wireless communication, when we use optical carriers as
... Broadcasting- FSO systems can even fulfill the throughput requirements of high definition television broadcasting applications and can broadcast high quality videos through FSO link. The signal through the FSO channel ...
10
Modelling and characterisation of short range underwater optical wireless communication channels
... NLOS links can be achieved by intentionally diverging the transmit beam or by using arrays of high divergence sources like LED as depicted in Figure 2.9(b). The advantage of the NLOS system is in the increase of link ...
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