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- W4382808482 abstract "IEEE 802.15.4 is a technical standard for low-rate wireless personal area network for long range communication. This standard provides a framework for the lower layers (PHY and MAC) in the OSI model for wireless connectivity network which is used in IoT applications. In a communication network, channel noise and timing mismatch are common problems. In order to recover the received signal successfully, a receiver should be able to overcome these problems. Demodulation and demapping alone would not be able to serve the purpose. This paper proposes modeling, design, and simulation of signal conditioning blocks in the receiver for O-QPSK PHY and SUN O-QPSK PHY mentioned in the standard. These blocks process the signal available at the digital baseband front end of the receiver which is available after RF to analog baseband down conversion and analog baseband to digital baseband conversion. Signal conditioning introduced in this work involves the design of matched filter and timing recovery to overcome the noise and sampling time mismatch. These blocks along with the O-QPSK transceiver have been first modeled in MATLAB/Simulink. Logic design for the modules introduced in the receiver chain has been implemented using Verilog RTL and verified through simulation. For FPGA implementation, RTL modules of matched filter and timing recovery have been integrated at the output of ADC, and output of timing recovery goes for inverse pulse shaping and is fed to O-QPSK and smart utility network (SUN) O-QPSK demodulator of receiver chain. All the modules are implemented on the FPGA Board Xilinx UltraScale + VCU118." @default.
- W4382808482 created "2023-07-02" @default.
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- W4382808482 date "2023-01-01" @default.
- W4382808482 modified "2023-09-27" @default.
- W4382808482 title "Design and Implementation of Matched Filtering and Timing Recovery Algorithm for IEEE 802.15.4 Digital Baseband Front End" @default.
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- W4382808482 doi "https://doi.org/10.1007/978-981-99-0973-5_32" @default.
- W4382808482 hasPublicationYear "2023" @default.
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