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WF3 - Systems and Modulation 2 Session Presider: Gabriela Bosco
1:30-3:00 Salon VIII
WF3.1 -
Spectrally Efficient Visible Light Communications Invited
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America/Denver Spectrally Efficient Visible Light Communications In this talk we discuss fundamental properties for designing strictly bandlimited intensity modulated signals suitable for visible light communications. In particular, we present a signal space for bandlimited intensity modulated signals and develop an optimized bias signal to minimize the impact of clipping distortion. Hilton Santa Fe Historic Plaza Salon VIII

    S. Hranilovic , McMaster University, Canada, D. Zhang , McMaster University, Canada

    In this talk we discuss fundamental properties for designing strictly bandlimited intensity modulated signals suitable for visible light communications. In particular, we present a signal space for bandlimited intensity modulated signals and develop an optimized bias signal to minimize the impact of clipping distortion.
WF3.3 -
Reduced Complexity Interleaved Multi-Carrier CDMA for Indoor Visibille Light Communications
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America/Denver Reduced Complexity Interleaved Multi-Carrier CDMA for Indoor Visibille Light Communications We propose a novel technique that we call reduced complexity interleaved multi-carrier CDMA (RC I-MC-CDMA) as an alternative to MC-CDMA for indoor VLC systems. It uses shorter CDMA codes and interleaved sub-bands to lower the overall complexity without a significant additional power penalty. Hilton Santa Fe Historic Plaza Salon VIII

    A. Abdelaziz , Alexandria University, Alexandria, Egypt, M. El-Shimy , Alexandria University, Egypt Z. El-Sahn , Alexandria University, Egypt

    We propose a novel technique that we call reduced complexity interleaved multi-carrier CDMA (RC I-MC-CDMA) as an alternative to MC-CDMA for indoor VLC systems. It uses shorter CDMA codes and interleaved sub-bands to lower the overall complexity without a significant additional power penalty.
WF3.4 -
Organic Visible Light Communications: Methods to Achieve 10 Mb/s Invited
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America/Denver Organic Visible Light Communications: Methods to Achieve 10 Mb/s In this review, we summarise methods towards achieving 10 Mb/s connectivity for visible light communications links utilising organic polymer based light-emitting diodes as the transmitter. We present two different methods; on-off keying supported by least mean squares equalisation and orthogonal frequency division multiplexing without equalisation. Hilton Santa Fe Historic Plaza Salon VIII

    P. Haigh , Department of Electronic & Electrical Engineering, University College London, England, F. Ghassemlooy , Optical Communications Research Group, Northumbria University, England S. Le , Nokia Bell Labs, Stuttgart, Germany F. Bausi , Department of Physics & Astronomy, University College London, England H. Le Minh , Optical Communications Research Group, Northumbria University F. Cacialli , Department of Physics & Astronomy, University College London, England I. Darwazeh , 1Department of Electronic & Electrical Engineering, University College London, England

    In this review, we summarise methods towards achieving 10 Mb/s connectivity for visible light communications links utilising organic polymer based light-emitting diodes as the transmitter. We present two different methods; on-off keying supported by least mean squares equalisation and orthogonal frequency division multiplexing without equalisation.
WF3.5 -
Co-Channel Interference Cancellation Using Constraint Field of View ADR in VLC Channel
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America/Denver Co-Channel Interference Cancellation Using Constraint Field of View ADR in VLC Channel A constraint field of view angular diversity receiver (CFOV-ADR) is proposed in VLC systems which can completely eliminate the co-channel interference (CCI) from neighborer transmitters and significantly reduce the inter-symbol interference (ISI) from multipath reflections. The results show the superior performance over conventional ADR Hilton Santa Fe Historic Plaza Salon VIII

    H. Eldeeb , Cairo University, Cairo, Egypt, H. Selmy , Cairo University, Cairo, Egypt H. Elsayed , Cairo University, Cairo, Egypt R. Badr , Cairo University, Cairo, Egypt

    A constraint field of view angular diversity receiver (CFOV-ADR) is proposed in VLC systems which can completely eliminate the co-channel interference (CCI) from neighborer transmitters and significantly reduce the inter-symbol interference (ISI) from multipath reflections. The results show the superior performance over conventional ADR