Search Results - "Popoola, W"

Scintillation effect on intensity modulated laser communication systems—a laboratory demonstration by Popoola, W.O., Ghassemlooy, Z., Lee, C.G., Boucouvalas, A.C.

“…This paper shows the impact of atmospheric turbulence-induced fading on the symbol decision position in the on-off keying (OOK) and the binary phase shift…”
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BPSK Subcarrier Intensity Modulated Free-Space Optical Communications in Atmospheric Turbulence by Popoola, W.O., Ghassemlooy, Z.

“…Free-space optical communications (FSO) propagated over a clear atmosphere suffers from irradiance fluctuation caused by small but random atmospheric…”
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Error Performance of Generalised Space Shift Keying for Indoor Visible Light Communications by Popoola, W. O., Poves, E., Haas, H.

“…In this paper the error performance analysis of a low complexity, multiple transmitter generalised space shift keying (GSSK) signalling technique for short…”
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CD4+, CD8+, immunoglobulin status and ocular lesions among some onchocerciasis-infected rural Nigerians by Nmorsi, O. P. G, Ukwandu, N. C. D, Alabi-Eric, O. J, Popoola, W, Osita-Emina, M

“…CD4+, CD8+, immunoglobulin status and ocular lesions of some onchocerciasis-infected rural Nigerians as manifested by the presence of microfilariae in their…”
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Spatial Pulse Position Modulation for Optical Communications by Popoola, W. O., Poves, E., Haas, H.

“…This paper proposes a low complexity spatial modulation (SM) scheme that combines spatial shift keying (SSK) with pulse position modulation (PPM) for optical…”
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Indoor localization based on multiple LEDs position estimation by Popoola, O. R., Ogunkoya, F. B., Popoola, W. O., Ramirez-Iniguez, R., Sinanovic, S.

“…This paper describes the simulation results and hardware implementation of an inexpensive, low-complexity LED based indoor positioning system. Localization by…”
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Coherent Heterodyne Multilevel Polarization Shift Keying With Spatial Diversity in a Free-Space Optical Turbulence Channel by Xuan Tang, Ghassemlooy, Z., Rajbhandari, S., Popoola, W. O., Lee, C. G.

“…This paper proposes a coherent multilevel polarization shift keying (MPOLSK) modulation scheme using the spatial diversity detection in a free-space optical…”
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Performance of BPSK Subcarrier Intensity Modulation Free-Space Optical Communications using a Log-normal Atmospheric Turbulence Model by Tang, X, Rajbhandari, S, Popoola, W O, Ghassemlooy, Z, Leitgeb, E, Muhammad, S S, Kandus, G

“…In this paper, we present simulation results for the bit error rate (BER) performance and the fading penalty of a BPSK subcarrier intensity modulation…”
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Analysis and evaluation of optimum wavelengths for free-space optical transceivers by Leitgeb, E, Plank, T, Awan, M S, Brandl, P, Popoola, W, Ghassemlooy, Z, Ozek, F, Wittig, M

“…The objective of this paper is to analyse and present the latest results obtained for free-space optics (FSO) within the EU COST Action IC-0802 and within the…”
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Experimental Results on the Performance of Optical Spatial Modulation Systems by Poves, E., Popoola, W., Haas, H., Thompson, J., Cárdenas, D.

“…Spatial Modulation (SM) is a relatively new technique to include information bits in the spatial domain, combining multiple-input multiple-output (MIMO) and…”
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Experimental study of the beam wander mitigation in free space optical communications using single input multiple output system by Ijaz, M., Harris, G., Adebisi, B., Popoola, W., Rajbhandari, S.

“…This paper experimentally investigates the use of a single input multiple output (SIMO) free space optical (FSO) communication system in an indoor laboratory…”
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EU COST Action on future generation optical wireless communication technologies, 2nd White paper by Ghassemlooy, Z, Khalighi, M. A, Zvanovec, S, Shrestha, A, Ortega, B, Petkovic, M, Pang, X, Sirtori, C, Orsucci, D, Moll, F, Cossu, G, Spirito, V, Ninos, M. P, Ciaramella, E, Bas, J, Amay, M, Huang, S, Safari, M, Gutema, T, Popoola, W, Matus, Vicente, Rabadan, Jose, Perez-Jimenez, Rafael, Panayirci, E, Diamantoulakis, P. D, Haas, H, Ijeh, I. C

“…NEWFOCUS is an EU COST Action targeted at exploring radical solutions that could influence the design of future wireless networks. The project aims to address…”
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Pilot symbol utilization for reducing peak-to-average power ratio in optical OFDM by Ogunkoya, F. B., Popoola, W. O., Shahrabi, A., Sinanovic, S.

“…One of the evolved technologies which has the prospect of providing huge data rate is visible light communication (VLC). Use of optical orthogonal…”
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Generalised space shift keying for visible light communications by Popoola, W., Poves, E., Haas, H.

“…In this paper a low complexity, multiple transmitter generalised space shift keying (GSSK) signalling technique for optical wireless communication system is…”
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Experimental demonstration of polarisation shift keying in the free space optical turbulence channel by Tang, X., Ghassemlooy, Z., Rajbhandari, S., Popoola, W. O., Uysal, M., Wu, D.

“…In this paper, the performance of binary polarisation shift keying (BPOLSK) with the direct detection (DD) scheme is experimentally investigated. BPOLSK scheme…”
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Free-space optical communication employing polarization shift keying coherent modulation in atmospheric turbulence channel by Tang, X., Ghassemlooy, Z., Rajbhandari, S., Popoola, W. O., Lee, C. G., Leitgeb, E., Ahmadi, V.

“…A binary polarization shift keying (2PolSK) scheme with a coherent heterodyne receiver for a free space optical (FSO) link through atmospheric turbulence…”
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A 10 Mb/s visible light communication system using a low bandwidth polymer light-emitting diode by Haigh, P. A., Bausi, F., Kanesan, T., Le, S. T., Rajbhandari, S., Ghassemlooy, Z., Papakonstantinou, I., Popoola, W. O., Burton, A., Le Minh, H., Ellis, A. D., Cacialli, F.

“…In this paper we experimentally demonstrate a 10 Mb/s error free visible light communications (VLC) system using polymer light-emitting diodes (PLEDs) for the…”
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BER performance of DPSK subcarrier modulated free space optics in fully developed speckle by Popoola, W.O., Ghassemlooy, Z., Leitgeb, E.

“…In this paper a DPSK subcarrier intensity modulated (SIM) free space optical (FSO) link is considered in negative exponential atmospheric turbulence…”
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A synopsis of modulation techniques for wireless infrared communication by Ghassemlooy, Z., Popoola, W.O., Rajbhandari, S., Amiri, M., Hashemi, S.

“…A number of modulation techniques have been proposed and thoroughly analysed in literature for optical wireless communication systems. Each modulation…”
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Differential circular polarization shift keying with heterodyne detection for free space optical links with turbulence channel by Tang, X., Ghassemlooy, Z., Rajbhandari, S., Popoola, W. O., Lee, C. G.

“…A coherent differential circular polarization shift keying (DCPOLSK) scheme for free space optical (FSO) communications is proposed and analyzed. No…”
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