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This paper describes an end-to-end underwater acoustic transmission system based on MIMO (multiple input multiple output) principle. The described transmission system is experimented over various sea conditions and compared against conventional SIMO (single input multiple output) mode operating with a single transmission stream and multiple receive sensors. By analyzing the optimal performance of...
In this demo we will present a design flow for multi-core based embedded systems. Namely, we implement a kernel capable of modifying the system at run time to increase data throughput. The design flow starts with the Dynamic Dataflow and RVC-CAL (Reconfigurable Video Coding Cal Actor Language) descriptions of an application and goes up to the deployment of the system onto the hardware platform. As...
Nowadays, the development, maintenance and evolution of products based on FPGAs remains a difficult and time consuming task, especially in today's stringent and fast-paced markets. Designers need to master technology-specific implementation details, which often vary across FPGA models, tool versions and vendors, thus making it difficult to port code from one target device to another. To address these...
Cortex codes are an emerging family among the rate-1/2 self-dual systematic linear block codes with good distance properties. This paper investigates the challenging issue of designing an efficient Maximum Likelihood (ML) decoder for Cortex codes. It first reviews a dedicated architecture that takes advantage of the particular structure of this code to simplify the decoding. Then, we propose a technique...
This paper presents a safe and efficient solution to manage asynchronous configurations of dynamically reconfigurable systems-on-chip. We first define our unified RTOS-based framework for HW/SW task communication and configuration management. Then three issues are discussed and solutions are given: the formalization of configuration space modeling including its different dimensions, the synchronization...
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