ARM-FPGA-based platform for reconfigurable wireless communication systems using partial reconfiguration

Abstract : Today, wireless devices generally feature multiple radio access technologies (LTE, WIFI, WIMAX, ... ) to handle a rich variety of standards or technologies.These devices should be intelligent and autonomous enough in order to either reach a given level of performance or automatically select the best available wireless technology according to standards availability. On the hardware side, system on chip (SoC) devices integrate processors and field-programmable gate array (FPGA) logic fabrics on the same chip with fast inter-connection. This allows designing software/hardware systems and implementing new techniques and methodologies that greatly improve the performance of communication systems. In these devices, Dynamic partial reconfiguration (DPR) constitutes a well-known technique for reconfiguring only a specific area within the FPGA while other parts continue to operate independently. To evaluate when it is advantageous to perform DPR, adaptive techniques have been proposed. They consist in reconfiguring parts of the system automatically according to specific parameters. In this paper, an intelligent wireless communication system aiming at implementing an adaptive OFDM-based transmitter and performing a vertical handover in heterogeneous networks is presented. An unified physical layer for WIFI-WIMAX networks is also proposed. The system was implemented and tested on a ZedBoard which features a Xilinx Zynq-7000-SoC. The performance of the system is described, and simulation results are presented in order to validate the proposed architecture.
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Mohamad-Al-Fadl Rihani, Mohamad Mroue, Jean-Christophe Prévotet, Fabienne Nouvel, Yasser Mohanna. ARM-FPGA-based platform for reconfigurable wireless communication systems using partial reconfiguration. EURASIP Journal on Embedded Systems, SpringerOpen, 2017, 2017 (1), pp.35. ⟨10.1186/s13639-017-0083-9⟩. ⟨hal-01684551⟩

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