Modulation Signal Chain for a 5G PDSCH Reciever
Keywords:LTE, PDSCH, Scrambling, Modulation Mapping, Constellation, Verilog RTL, Artix-7.
LTE (Long Term Evolution), marketed as 5G LTE, is a standard for wireless communication of high-speed data for mobile phones and data terminals. It increases the system capacity and speed. The standard is developed by the 3GPP (3rd Generation Partnership Project). The scrambling and modulation was implemented using hardware and software methods. The using of scrambling and modulation mapping with help of constellation method is used. Constellation method is easily differentiating the real and imaginary terms of the modulation mapping. Depending on the hardware structure, particular scrambling and modulation mapping was designed using Verilog RTL coding. Simulation and synthesis was carried out using Xilinx Vivado 2015.4.2 design and implemented on Artix-7 FPGA board. Clock cycle delay is reduced to two clock cycles
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