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- W3006662913 abstract "The contemporary real time wireless systems relies on packet based transmission for disseminating data. Hence, timing synchronisation is the foremost thing to be done at the receiver to identify different packets in these low latency systems. Visible Light Communication (VLC) is one among these high speed systems that require highly accurate symbol timing to fulfil the requirements of 5G systems. In this work, we implemented a simple blind timing estimation method for real time VLC systems without any header or any extra pilot symbols. The VLC system is developed by using sophisticated National Instruments (NI) Universal Software Radio Peripheral (USRP) hardware which is driven by Lab View software. The receive USRP computes energy over the packet duration continuously, to identify the packet received by the photo diode (PD). The obtained Mean Squared Error (MSE) of the Symbol Timing Offset (STO) estimate and corresponding average BER for various Pulse Amplitude Modulation (PAM) constellation orders at optimal Biasing Point (BP), justify the validity of the timing synchronisation on the real time test bed. A BER of the order 10−3 is achieved for 4-PAM at 40cm separation between single 3W Light Emitting Diode (LED) transmitter and PD receiver without using any focusing lens at both ends." @default.
- W3006662913 created "2020-02-24" @default.
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- W3006662913 date "2019-11-01" @default.
- W3006662913 modified "2023-09-27" @default.
- W3006662913 title "Demonstration of energy based timing synchronization for VLC systems using SDR" @default.
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- W3006662913 doi "https://doi.org/10.1109/menacomm46666.2019.8988576" @default.
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