Handbook of Blind Source Separation

Chapter 17

Application to telecommunications

P. Chevalier and A. Chevreuil

17.1 Introduction

Operational context. For several decades, we have observed a big rise of radio communications, or wireless communications, in both the civilian and the military areas, from the HF band (ionospheric links) to the EHF band (satellite communications), by way of cellular networks and digital broadcasting developments in the UHF band. The increasing need of high bit rates, the necessity of sharing the limited spectral resource, the frequency reuse concept of cellular networks and the potential for intentional or non-intentional jamming are some of the reasons for the high spectral congestion in most of the available frequency bands. This increasing development ...