Today, wireless devices generally feature multiple radio access technologies (LTE, WIFI, WIMAX, ...) to handle a rich\nvariety of standards or technologies.These devices should be intelligent and autonomous enough in order to either\nreach a given level of performance or automatically select the best available wireless technology according to\nstandards availability. On the hardware side, system on chip (SoC) devices integrate processors and field-programmable\ngate array (FPGA) logic fabrics on the same chip with fast inter-connection. This allows designing software/hardware\nsystems and implementing new techniques and methodologies that greatly improve the performance of\ncommunication systems. In these devices, Dynamic partial reconfiguration (DPR) constitutes a well-known technique\nfor reconfiguring only a specific area within the FPGA while other parts continue to operate independently. To evaluate\nwhen it is advantageous to perform DPR, adaptive techniques have been proposed. They consist in reconfiguring parts\nof the system automatically according to specific parameters. In this paper, an intelligent wireless communication\nsystem aiming at implementing an adaptive OFDM-based transmitter and performing a vertical handover in\nheterogeneous networks is presented. An unified physical layer for WIFI-WIMAX networks is also proposed. The\nsystem was implemented and tested on a ZedBoard which features a Xilinx Zynq-7000-SoC. The performance of the\nsystem is described, and simulation results are presented in order to validate the proposed architecture.
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