Digital Signal Processing and Digital Signal Processors for Mobile Communications: Basic Concepts and Trends

Abstract

The boom of wireless telecommunications arisen in this decade represents a fantastic engine for the technical evolution of Digital Signal Processors (DSP). This constant progress is motivated by the complexity increase of signal processing algorithms, and the product properties required by the market. Indeed, both the rapid evolution of telecommunication standards (to achieve better quality of communications, higher capacity of networks, and new services) and the new features appearing on terminals are increasingly demanding digital signal processing algorithms. In an attempt to implement these algorithms in real-time applications, more elaborate DSP architectures had to be developed. Furthermore, especially in mobile telephony, there is a constant requirement to decrease power consumption and cost of DSPs. This presentation outlines the evolution of such DSPs and tries to draw a trend for the near future.