Field programmable gate arrays (FPGAs) are an increasingly popular technology for implementing digital signal processing (DSP) systems. By allowing designers to create circuit architectures developed for the specific applications, high levels of performance can be achieved for many DSP applications providing considerable improvements over conventional microprocessor and dedicated DSP processor solutions. The book addresses the key issue in this process specifically, the methods and tools needed for the design, optimization and implementation of DSP systems in programmable FPGA hardware. It presents a review of the leading-edge techniques in this field, analyzing advanced DSP-based design flows for both signal flow graph- (SFG-) based and dataflow-based implementation, system on chip (SoC) aspects, and future trends and challenges for FPGAs. The automation of the techniques for component architectural synthesis, computational models, and the reduction of energy consumption to help improve FPGA performance, are given in detail. Written from a system level design perspective and with a DSP focus, the authors present many practical application examples of complex DSP implementation, involving: high-performance computing e.g. matrix operations such as matrix multiplication; high-speed filtering including finite impulse response (FIR) filters and wave digital filters (WDFs); adaptive filtering e.g. recursive least squares (RLS) filtering; transforms such as the fast Fourier transform (FFT). FPGA-based Implementation of Signal Processing Systems is an important reference for practising engineers and researchers working on the design and development of DSP systems for radio, telecommunication, information, audio-visual and security applications. Senior level electrical and computer engineering graduates taking courses in signal processing or digital signal processing shall also find this volume of interest.

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FPGA-based Implementation of Signal Processing Systems

The design of complex Systems-on-Chips implies to take into account communication and memory access constraints for the integration of dedicated hardware accelerator. In this paper, we present a methodology and a tool that allow the High-Level Synthesis of DSP algorithm, under both I/O timing and memory constraints. Based on formal models and a generic architecture, this tool helps the designer to find a reasonable trade-off between both the required I/O timing behavior and the internal memory access parallelism of the circuit. The interest of our approach is demonstrated on the case study of a FFT algorithm.

High-level synthesis under I/O Timing and Memory constraints

Mixed-Level Cosimulation for Fine Gradual Refinement of Communication in SoC Design

In the design of complex systems-on-chips, it is necessary to take into account communication and memory access constraints for the integration of a dedicated hardware accelerator. We present a methodology and a tool that allow the high-level synthesis of a DSP algorithm, under both I/O timing and memory constraints. Based on formal models and a generic architecture, this tool helps the designer to find a reasonable trade-off between the required I/O timing behavior and the internal memory access parallelism of the circuit. The interest of our approach is demonstrated by the case study of an FFT algorithm.

High-level synthesis under I/O timing and memory constraints

Design of a flexible 2-D discrete wavelet transform IP core for JPEG2000 image coding in embedded imaging systems

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Successful integration of IP/VC blocks requires a set of view that provides the appropriate information for each IP Block through the design flow for an IP-integration system. In this paper, we present a methodology of IP integration in a System-on a chip (SOC) design, that exploits both IP designer and SOC integrator constraints. First, we describe a method to extract and specify IP functional and timing constraints (I/O sequence transfer constraints) from the IP core. Second, we propose a modeling style of the integration constraints and a technique for merging them with IP constraints. This technique allows the specification and design of an optimized IP interface unit required for IP-Socketization. The synthesis output is synthesizable VHDL RT of the interface, a detailed Bus-Functional model of the IP core towards Cosimulation.

IP cores integration in DSP System-on-chip designs

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