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This paper describes the use of an optical receiver which has photodiodes (PDs) with two different fields of view (2-FOV) in an indoor visible light communications (VLC) system. Data is transmitted using asymmetrically clipped optical OFDM (ACO-OFDM) from white light emitting diodes (LEDs) which are also used for illumination. A cellular configuration is considered where each transmitter transmits...
The spin waves have attracted huge interest in recent years due to the possibility to use spin waves to excite, transfer and process electric signals. The application depends on the ability to manipulate the propagation of spin waves. Using the principle of Bragg refection, the periodic magnetic nano-structures have been introduced to manipulate the dispersion relations of propagating spin waves by...
In this paper, we address the emerging 5G heterogeneous networks, which comprise several tiers of small cells of various sizes and by different radio access technologies. As industry has recently been targeting efficient mechanisms for tighter coordination between the tiers of such heterogeneous network, where multiple radios may be utilized simultaneously, we argue that the corresponding problem...
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